Bib Editor: the initial commit (buggy)

- do not show the project owner, email and connections number columns
 - add mailto: all active users of a project when clicking the project title
 - fix error handling

.github/ISSUE_TEMPLATE/bug_report.md

@@ -8,12 +8,8 @@ assignees: ''
 
 <!--
 
-Note: If you are using www.overleaf.com and have a problem,
+Note: This form should only be used to report bugs in the
-      or if you would like to request a new feature please contact
+      Extended CE release of Overleaf.
-      the support team at support@overleaf.com
-
-      This form should only be used to report bugs in the
-      Community Edition release of Overleaf.
 
 -->
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -5,7 +5,3 @@
 ## Related issues / Pull Requests
 
 <!-- Fixes #xyz, Contributes to #xyz, Related to #xyz-->
-
-## Contributor Agreement
-
-- [ ] I confirm I have signed the [Contributor License Agreement](https://github.com/overleaf/overleaf/blob/main/CONTRIBUTING.md#contributor-license-agreement)

.yarn/patches/@node-saml-node-saml-npm-5.1.0-f4eb6913cc.patch

@@ -0,0 +1,23 @@
+diff --git a/lib/saml.js b/lib/saml.js
+index 64180fdd7fe6302bf8da7d1ca65c01bb1ea5e2c1..7015c3b73603f624c15195a0a38c2fbf750a4c60 100644
+--- a/lib/saml.js
++++ b/lib/saml.js
+@@ -327,7 +327,8 @@ class SAML {
+         const requestOrResponse = request || response;
+         (0, utility_1.assertRequired)(requestOrResponse, "either request or response is required");
+         let buffer;
+-        if (this.options.skipRequestCompression) {
++       // logout requestOrResponse must be compressed anyway
++        if (this.options.skipRequestCompression && operation !== "logout") {
+             buffer = Buffer.from(requestOrResponse, "utf8");
+         }
+         else {
+@@ -510,7 +511,7 @@ class SAML {
+         try {
+             xml = Buffer.from(container.SAMLResponse, "base64").toString("utf8");
+             doc = await (0, xml_1.parseDomFromString)(xml);
+-            const inResponseToNodes = xml_1.xpath.selectAttributes(doc, "/*[local-name()='Response']/@InResponseTo");
++            const inResponseToNodes = xml_1.xpath.selectAttributes(doc, "/*[local-name()='Response' or local-name()='LogoutResponse']/@InResponseTo");
+             if (inResponseToNodes) {
+                 inResponseTo = inResponseToNodes.length ? inResponseToNodes[0].nodeValue : null;
+                 await this.validateInResponseTo(inResponseTo);

.yarn/patches/ldapauth-fork-npm-5.0.5-c8b86f5231.patch

@@ -0,0 +1,73 @@
+diff --git a/lib/ldapauth.js b/lib/ldapauth.js
+index 88398ed31afee34c8958ad5e7a53653e1b5f6f82..0334177af8a65c7c5f9de7570924ab0f359e3f38 100644
+--- a/lib/ldapauth.js
++++ b/lib/ldapauth.js
+@@ -87,6 +87,7 @@ function LdapAuth(opts) {
+   this.opts.bindProperty || (this.opts.bindProperty = 'dn');
+   this.opts.groupSearchScope || (this.opts.groupSearchScope = 'sub');
+   this.opts.groupDnProperty || (this.opts.groupDnProperty = 'dn');
++  this.opts.tlsStarted = false;
+ 
+   EventEmitter.call(this);
+ 
+@@ -126,21 +127,7 @@ function LdapAuth(opts) {
+   this._userClient.on('error', this._handleError.bind(this));
+ 
+   var self = this;
+-  if (this.opts.starttls) {
+-    // When starttls is enabled, this callback supplants the 'connect' callback
+-    this._adminClient.starttls(this.opts.tlsOptions, this._adminClient.controls, function (err) {
+-      if (err) {
+-        self._handleError(err);
+-      } else {
+-        self._onConnectAdmin();
+-      }
+-    });
+-    this._userClient.starttls(this.opts.tlsOptions, this._userClient.controls, function (err) {
+-      if (err) {
+-        self._handleError(err);
+-      }
+-    });
+-  } else if (opts.reconnect) {
++  if (opts.reconnect && !this.opts.starttls) {
+     this.once('_installReconnectListener', function () {
+       self.log && self.log.trace('install reconnect listener');
+       self._adminClient.on('connect', function () {
+@@ -401,6 +388,37 @@ LdapAuth.prototype._findGroups = function (user, callback) {
+  */
+ LdapAuth.prototype.authenticate = function (username, password, callback) {
+   var self = this;
++  if (this.opts.starttls && !this.opts.tlsStarted) {
++    // When starttls is enabled, this callback supplants the 'connect' callback
++    this._adminClient.starttls(this.opts.tlsOptions, this._adminClient.controls, function (err) {
++      if (err) {
++        self._handleError(err);
++      } else {
++        self._onConnectAdmin(function(){self._handleAuthenticate(username, password, callback);});
++      }
++    });
++    this._userClient.starttls(this.opts.tlsOptions, this._userClient.controls, function (err) {
++      if (err) {
++        self._handleError(err);
++      }
++    });
++  } else {
++    self._handleAuthenticate(username, password, callback);
++  }
++};
++
++/**
++ * Authenticate given credentials against LDAP server
++ * 
++ * @private
++ * @param {string} username - The username to authenticate
++ * @param {string} password - The password to verify
++ * @param {resultCallback} callback - Result handling callback
++ * @returns {undefined}
++ */
++LdapAuth.prototype._handleAuthenticate = function (username, password, callback) {
++  this.opts.tlsStarted = true;
++  var self = this;
+ 
+   if (typeof password === 'undefined' || password === null || password === '') {
+     return callback(new Error('no password given'));

CONTRIBUTING.md

@@ -1,38 +1,29 @@
-# Contributing to Overleaf
+# Contributing to Overleaf CE+
 
 Thank you for reading this! If you'd like to report a bug or join in the development
-of Overleaf, then here are some notes on how to do that.
+of Overleaf CE+, then here are some notes on how to do that.
 
 ## Reporting bugs and opening issues
 
-If you'd like to report a bug or open an issue, please **[check if there is an existing issue](https://github.com/overleaf/overleaf/issues).**
+If you'd like to report a bug or open an issue, please **[check if there is an existing issue](https://github.com/yu-i-i/overleaf-cep).**
 If there is then please add any more information that you have, or give it a 👍.
 
 When submitting an issue please describe the issue as clearly as possible, including how to
 reproduce the bug, which situations it appears in, what you expected to happen, and what actually happens.
 If you can include a screenshot for front end issues that is very helpful.
 
-**Note**: If you are using [www.overleaf.com](www.overleaf.com) and have a problem, or if you would like to request a new feature, please contact the Support team at support@overleaf.com. Raise an issue here only to report bugs in the Community Edition release of Overleaf.
 
 ## Pull Requests
 
-See [our wiki](https://github.com/overleaf/overleaf/wiki)
+See [Overleaf wiki](https://github.com/overleaf/overleaf/wiki)
 for how to manage the Overleaf development environment and for our developer guidelines.
 
 We love pull requests, so be bold with them! Don't be afraid of going ahead
 and changing something, or adding a new feature. We're very happy to work with you
 to get your changes merged into Overleaf.
 
-If you're looking for something to work on, have a look at the [open issues](https://github.com/overleaf/overleaf/issues).
+If you're looking for something to work on, have a look at the [open issues](https://github.com/yu-i-i/overleaf-cep/issues).
 
 ## Security
 
-Please see [our security policy](https://github.com/overleaf/overleaf/security/policy) if you would like to report a potential security vulnerability.
+Please see [Overleaf security policy](https://github.com/overleaf/overleaf/security/policy) if you would like to report a potential security vulnerability.
-
-## Contributor License Agreement
-
-Before we can accept any contributions of code, we need you to agree to our
-[Contributor License Agreement](https://docs.google.com/forms/d/e/1FAIpQLSef79XH3mb7yIiMzZw-yALEegS-wyFetvjTiNBfZvf_IHD2KA/viewform?usp=sf_link).
-This is to ensure that you own the copyright of your contribution, and that you
-agree to give us a license to use it in both the open source version, and the version
-of Overleaf running at www.overleaf.com, which may have additional changes.

CREDITS.md

@@ -0,0 +1,53 @@
+# CREDITS
+
+This project includes ideas and adapted code from several open-source projects.\
+In most cases the original code has been modified, optimized, or extended.
+
+## Symbol palette
+
+The symbol palette feature is based on the
+[original Overleaf implementation](https://github.com/overleaf/web/tree/master/frontend/js/features/symbol-palette)
+
+The original code was slightly improved, particularly in the parts related to keyboard input.
+
+## LDAP authentication
+
+LDAP authentication was inspired by [this project](https://github.com/smhaller/ldap-overleaf-sl).
+
+The project provided the idea and part of the implementation for adding LDAP users to the user's contacts.
+
+## Real-time track changes and comments
+
+The Track Changes and Comments feature exists largely in the original Overleaf codebase.\
+The missing parts were implemented based on [this code](https://github.com/ertuil/overleaf).
+
+The referenced code was fixed, optimized, and extended.
+
+## Sandboxed compiles
+
+The Sandboxed Compiles feature was until recently largely present in the original Overleaf codebase.\
+The missing parts were implemented in this project.
+
+## Import file from external URL
+
+The "From External URL" feature exists in the original Overleaf code.\
+The missing proxy component was implemented in this project.
+
+## Git integration
+
+The Git integration feature includes parts of the frontend code
+from [here](https://github.com/ayaka-notes/overleaf-pro/tree/feat-git-bridge)
+
+## GitHub synchronization
+
+The GitHub synchronization feature includes parts of the frontend code and the OAuth2 backend implementation
+from [here](https://github.com/ayaka-notes/overleaf-pro/commit/06a30fe9a0ed75e5ab40b50a8a4e94f43161cf71).
+
+## Sign Up page
+
+The Sign Up page is based on [this code](https://github.com/ayaka-notes/overleaf-pro/tree/feat-public-registeration).
+
+# Acknowledgments
+
+Thanks to the users of the project for valuable feedback, suggestions,
+and help in identifying and fixing bugs.

README.md

@@ -6,52 +6,65 @@
 <h4 align="center">An open-source online real-time collaborative LaTeX editor.</h4>
 
 <p align="center">
-  <a href="https://github.com/overleaf/overleaf/wiki">Wiki</a> •
+  <a href="https://github.com/yu-i-i/overleaf-cep/wiki">Wiki</a> •
   <a href="https://www.overleaf.com/for/enterprises">Server Pro</a> •
-  <a href="#contributing">Contributing</a> •
-  <a href="https://mailchi.mp/overleaf.com/community-edition-and-server-pro">Mailing List</a> •
   <a href="#authors">Authors</a> •
   <a href="#license">License</a>
 </p>
 
-<img src="doc/screenshot.png" alt="A screenshot of a project being edited in Overleaf Community Edition">
+<img src="doc/screenshot.png" alt="A screenshot of a project being edited in Overleaf Extended Community Edition">
 <p align="center">
-  Figure 1: A screenshot of a project being edited in Overleaf Community Edition.
+  Figure 1: A screenshot of a project being edited in Overleaf Extended Community Edition.
 </p>
 
 ## Community Edition
 
-[Overleaf](https://www.overleaf.com) is an open-source online real-time collaborative LaTeX editor. We run a hosted version at [www.overleaf.com](https://www.overleaf.com), but you can also run your own local version, and contribute to the development of Overleaf.
+[Overleaf](https://www.overleaf.com) is an open-source online real-time collaborative LaTeX editor. Overleaf runs a hosted version at [www.overleaf.com](https://www.overleaf.com), but you can also run your own local version, and contribute to the development of Overleaf.
+
+## Extended Community Edition (CE+)
+
+The present "extended" version of Overleaf CE includes:
+
+- Sandboxed compiles with TeX Live image selection
+- Sign Up page
+- LDAP authentication
+- SAML authentication
+- OpenID Connect authentication
+- Real-time track changes and comments
+- Symbol palette
+- Template gallery
+- Import file from external URL
+- Git integration
+- GitHub synchronization
+- Zotero integration
+- Reference Search and Pick Tool
+- Document Import (`.docx`, `.md`) and Export (`.docx`, `.md`, `.html`) 
+- Advanced administrator tools for managing user accounts and projects
+- Logo tools
 
 > [!CAUTION]
-> Overleaf Community Edition is intended for use in environments where **all** users are trusted. Community Edition is **not** appropriate for scenarios where isolation of users is required due to Sandbox Compiles not being available. When not using Sandboxed Compiles, users have full read and write access to the `sharelatex` container resources (filesystem, network, environment variables) when running LaTeX compiles.
+> Overleaf Community Edition is intended for use in environments where **all** users are trusted. Community Edition is **not** appropriate for scenarios where isolation of users is required due to Sandbox Compiles not being available. When not using Sandboxed Compiles, users have full read and write access to the `sharelatex` container resources (filesystem, network, environment variables) when running LaTeX compiles. 
+Therefore, in any environment where not all users can be fully trusted, it is strongly recommended to enable the Sandboxed Compiles feature available in the Extended Community Edition.
 
-For more information on Sandbox Compiles check out our [documentation](https://docs.overleaf.com/on-premises/configuration/overleaf-toolkit/server-pro-only-configuration/sandboxed-compiles).
+For more information on Sandbox Compiles check out Overleaf [documentation](https://docs.overleaf.com/on-premises/configuration/overleaf-toolkit/server-pro-only-configuration/sandboxed-compiles).
 
 ## Enterprise
 
-If you want help installing and maintaining Overleaf in your lab or workplace, we offer an officially supported version called [Overleaf Server Pro](https://www.overleaf.com/for/enterprises). It also includes more features for security (SSO with LDAP or SAML), administration and collaboration (e.g. tracked changes). [Find out more!](https://www.overleaf.com/for/enterprises)
+If you want help installing and maintaining Overleaf in your lab or workplace, Overleaf offers an officially supported version called [Overleaf Server Pro](https://www.overleaf.com/for/enterprises).
-
-## Keeping up to date
-
-Sign up to the [mailing list](https://mailchi.mp/overleaf.com/community-edition-and-server-pro) to get updates on Overleaf releases and development.
 
 ## Installation
 
-We have detailed installation instructions in the [Overleaf Toolkit](https://github.com/overleaf/toolkit/).
+Detailed installation instructions can be found in the [Overleaf Toolkit](https://github.com/overleaf/toolkit/).
-
+Configuration details and release history for the Extended Community Edition can be found on the [Extended CE Wiki Page](https://github.com/yu-i-i/overleaf-cep/wiki).
-## Upgrading
-
-If you are upgrading from a previous version of Overleaf, please see the [Release Notes section on the Wiki](https://github.com/overleaf/overleaf/wiki#release-notes) for all of the versions between your current version and the version you are upgrading to.
 
 ## Overleaf Docker Image
 
 This repo contains two dockerfiles, [`Dockerfile-base`](server-ce/Dockerfile-base), which builds the
-`sharelatex/sharelatex-base` image, and [`Dockerfile`](server-ce/Dockerfile) which builds the
+`sharelatex/sharelatex-base:ext-ce` image, and [`Dockerfile`](server-ce/Dockerfile) which builds the
-`sharelatex/sharelatex` (or "community") image.
+`sharelatex/sharelatex:ext-ce` image.
 
 The Base image generally contains the basic dependencies like `wget`, plus `texlive`.
-We split this out because it's a pretty heavy set of
+This is split out because it's a pretty heavy set of
 dependencies, and it's nice to not have to rebuild all of that every time.
 
 The `sharelatex/sharelatex` image extends the base image and adds the actual Overleaf code
@@ -59,22 +72,22 @@ and services.
 
 Use `make build-base` and `make build-community` from `server-ce/` to build these images.
 
-We use the [Phusion base-image](https://github.com/phusion/baseimage-docker)
+The [Phusion base-image](https://github.com/phusion/baseimage-docker)
-(which is extended by our `base` image) to provide us with a VM-like container
+(which is extended by the `base` image) provides a VM-like container
 in which to run the Overleaf services. Baseimage uses the `runit` service
-manager to manage services, and we add our init-scripts from the `server-ce/runit`
+manager to manage services, and init scripts from the `server-ce/runit`
-folder.
+folder are added.
-
-## Contributing
-
-Please see the [CONTRIBUTING](CONTRIBUTING.md) file for information on contributing to the development of Overleaf.
 
 ## Authors
 
-[The Overleaf Team](https://www.overleaf.com/about)
+[The Overleaf Team](https://www.overleaf.com/about)\
+[yu-i-i](https://github.com/yu-i-i), [davrot](https://github.com/davrot) — CE extensions; references to adapted code are listed in [`CREDITS`](CREDITS.md)
 
 ## License
 
 The code in this repository is released under the GNU AFFERO GENERAL PUBLIC LICENSE, version 3. A copy can be found in the [`LICENSE`](LICENSE) file.
 
-Copyright (c) Overleaf, 2014-2025.
+Copyright (c) Overleaf, 2014-2026.\
+Copyright (c) @yu-i-i, 2024-2026, for CE extensions.
+
+Portions of the code are derived from other open-source projects; see [`CREDITS`](CREDITS.md).

develop/README.md

@@ -66,6 +66,7 @@ each service:
 | `real-time`        | 9237 |
 | `history-v1`       | 9239 |
 | `project-history`  | 9240 |
+| `linked-url-proxy` | 9241 |
 
 To attach to a service using Chrome's _remote debugging_, go to
 <chrome://inspect/> and make sure _Discover network targets_ is checked. Next

develop/dev.env

@@ -7,6 +7,7 @@ FILESTORE_HOST=filestore
 GRACEFUL_SHUTDOWN_DELAY_SECONDS=0
 HISTORY_V1_HOST=history-v1
 HISTORY_REDIS_HOST=redis
+LINKED_URL_PROXY_HOST=linked-url-proxy
 LISTEN_ADDRESS=0.0.0.0
 MONGO_HOST=mongo
 MONGO_URL=mongodb://mongo/sharelatex?directConnection=true

develop/docker-compose.dev.yml

@@ -68,6 +68,17 @@ services:
       - ../services/history-v1/knexfile.js:/overleaf/services/history-v1/knexfile.js
       - ../services/history-v1/migrations:/overleaf/services/history-v1/migrations
 
+  linked-url-proxy:
+    command: ["node", "--watch", "app.mjs"]
+    environment:
+      - NODE_OPTIONS=--inspect=0.0.0.0:9229
+    ports:
+      - "127.0.0.1:9241:9229"
+    volumes:
+      - ../services/linked-url-proxy/app:/overleaf/services/linked-url-proxy/app
+      - ../services/linked-url-proxy/config:/overleaf/services/linked-url-proxy/config
+      - ../services/linked-url-proxy/app.mjs:/overleaf/services/linked-url-proxy/app.mjs
+
   notifications:
     command: ["node", "--watch", "app.ts"]
     environment:

develop/docker-compose.yml

@@ -88,6 +88,13 @@ services:
     volumes:
       - history-v1-buckets:/buckets
 
+  linked-url-proxy:
+    build:
+      context: ..
+      dockerfile: services/linked-url-proxy/Dockerfile
+    env_file:
+      - dev.env
+
   mongo:
     image: mongo:8
     command: --replSet overleaf
@@ -141,7 +148,7 @@ services:
       - dev.env
     environment:
       - APP_NAME=Overleaf Community Edition
-      - ENABLED_LINKED_FILE_TYPES=project_file,project_output_file
+      - ENABLED_LINKED_FILE_TYPES=project_file,project_output_file,zotero
       - EMAIL_CONFIRMATION_DISABLED=true
       - NODE_ENV=development
       - OVERLEAF_ALLOW_PUBLIC_ACCESS=true
@@ -158,6 +165,7 @@ services:
       - document-updater
       - filestore
       - history-v1
+      - linked-url-proxy
       - notifications
       - project-history
       - real-time
@@ -173,3 +181,18 @@ services:
       - "127.0.0.1:80:3808"
     volumes:
       - ./webpack.config.dev-env.js:/overleaf/services/web/webpack.config.dev-env.js
+
+  git-bridge:
+    image: quay.io/sharelatex/git-bridge:latest
+    expose:
+      - "8000"
+    ports:
+      - "8000:8000"
+    environment:
+      GIT_BRIDGE_API_BASE_URL: "http://web:3000/api/v0"
+      GIT_BRIDGE_OAUTH2_SERVER: "http://web:3000"
+      GIT_BRIDGE_POSTBACK_BASE_URL: "http://git-bridge:8000"
+      GIT_BRIDGE_ROOT_DIR: "/data/git-bridge"
+      LOG_LEVEL: "DEBUG"
+    volumes:
+      - ./data/git-bridge:/data/git-bridge

develop/webpack.config.dev-env.js

@@ -14,6 +14,11 @@ module.exports = merge(base, {
         target: 'http://real-time:3026',
         ws: true,
       },
+      {
+        context: '/git/**',
+        target: 'http://git-bridge:8000',
+        pathRewrite: { '^/git': '' }
+      },
       {
         context: ['!**/*.js', '!**/*.css', '!**/*.json'],
         target: 'http://web:3000',

docker-compose.yml

@@ -33,7 +33,7 @@ services:
       # IMPORTANT: Required for invite token generation
       # OVERLEAF_INVITE_TOKEN_SECRET: generate with `openssl rand -base64 32`
 
-      ENABLED_LINKED_FILE_TYPES: "project_file,project_output_file"
+      ENABLED_LINKED_FILE_TYPES: "project_file,project_output_file,zotero"
 
       # Enables Thumbnail generation using ImageMagick
       ENABLE_CONVERSIONS: "true"

package.json

@@ -180,6 +180,8 @@
     "fast-xml-builder": "1.1.7",
     "fast-xml-parser": "5.7.3",
     "ip-address": "10.1.1",
+    "ldapauth-fork@npm:^5.0.1": "patch:ldapauth-fork@npm%3A5.0.5#~/.yarn/patches/ldapauth-fork-npm-5.0.5-c8b86f5231.patch",
+    "@node-saml/node-saml@npm:^5.1.0": "patch:@node-saml/node-saml@npm%3A5.1.0#~/.yarn/patches/@node-saml-node-saml-npm-5.1.0-f4eb6913cc.patch",
     "systeminformation": "5.31.6"
   },
   "scripts": {
@@ -215,6 +217,7 @@
     "services/history-v1",
     "services/idp",
     "services/latexqc",
+    "services/linked-url-proxy",
     "services/notifications",
     "services/project-history",
     "services/real-time",

server-ce/Dockerfile

@@ -49,7 +49,7 @@ ADD server-ce/config/env.sh /etc/overleaf/env.sh
 # Configure nginx
 # ---------------
 ADD server-ce/nginx/nginx.conf.template /etc/nginx/templates/nginx.conf.template
-ADD server-ce/nginx/overleaf.conf /etc/nginx/sites-enabled/overleaf.conf
+ADD server-ce/nginx/overleaf.conf.template /etc/nginx/templates/overleaf.conf.template
 ADD server-ce/nginx/clsi-nginx.conf /etc/nginx/sites-enabled/clsi-nginx.conf
 
 
@@ -121,7 +121,9 @@ ENV GRACEFUL_SHUTDOWN_DELAY_SECONDS=1
 ENV NODE_ENV="production"
 ENV LOG_LEVEL="info"
 
-
+ENV GIT_BRIDGE_HOST=git-bridge
+ENV GIT_BRIDGE_PORT=8000
+ENV GIT_BRIDGE_REPOSTORE_MAX_FILE_SIZE=52428800
 EXPOSE 80
 
 ENTRYPOINT ["/sbin/my_init"]

server-ce/Makefile

@@ -37,6 +37,7 @@ build-base:
 	  --cache-from $(OVERLEAF_BASE_BRANCH) \
 	  --tag $(OVERLEAF_BASE_TAG) \
 	  --tag $(OVERLEAF_BASE_BRANCH) \
+	  --network=host \
 	  $(MONOREPO_ROOT)
 
 
@@ -52,6 +53,7 @@ build-community:
 	  --file Dockerfile \
 	  --tag $(OVERLEAF_TAG) \
 	  --tag $(OVERLEAF_BRANCH) \
+	  --network=host \
 	  $(MONOREPO_ROOT)
 
 push:

server-ce/config/env.sh

@@ -5,6 +5,7 @@ export DOCUMENT_UPDATER_HOST=127.0.0.1
 export DOCUPDATER_HOST=127.0.0.1
 export FILESTORE_HOST=127.0.0.1
 export HISTORY_V1_HOST=127.0.0.1
+export LINKED_URL_PROXY_HOST=127.0.0.1
 export NOTIFICATIONS_HOST=127.0.0.1
 export PROJECT_HISTORY_HOST=127.0.0.1
 export REALTIME_HOST=127.0.0.1

server-ce/config/settings.js

@@ -193,6 +193,8 @@ const settings = {
   maintenanceMessage: process.env.OVERLEAF_MAINTENANCE_MESSAGE,
   maintenanceMessageHTML: process.env.OVERLEAF_MAINTENANCE_MESSAGE_HTML,
 
+  enableRegiserPage: process.env.OVERLEAF_ENABLE_REGISTER_PAGE === 'true',
+
   // The name this is used to describe your Overleaf Community Edition Installation
   appName: process.env.OVERLEAF_APP_NAME || 'Overleaf Community Edition',
 
@@ -393,7 +395,16 @@ if (process.env.OVERLEAF_EMAIL_FROM_ADDRESS != null) {
   }
 
   if (
-    process.env.OVERLEAF_EMAIL_SMTP_USER != null ||
+    process.env.OVERLEAF_EMAIL_SMTP_USER != null &&
+    process.env.OVERLEAF_EMAIL_SMTP_PASS_FILE != null
+  ) {
+    settings.email.parameters.auth = {
+      user: process.env.OVERLEAF_EMAIL_SMTP_USER,
+      pass: require("fs").readFileSync(process.env.OVERLEAF_EMAIL_SMTP_PASS_FILE, "utf8")
+    }
+  }
+  else if (
+    process.env.OVERLEAF_EMAIL_SMTP_USER != null &&
     process.env.OVERLEAF_EMAIL_SMTP_PASS != null
   ) {
     settings.email.parameters.auth = {

server-ce/hotfix/5.5.3/saml-ext.patch

@@ -0,0 +1,13 @@
+diff --git a/services/web/modules/authentication/saml/app/src/SAMLModuleManager.mjs b/services/web/modules/authentication/saml/app/src/SAMLModuleManager.mjs
+index 29e9ae52cd..335ace8209 100644
+--- a/services/web/modules/authentication/saml/app/src/SAMLModuleManager.mjs
++++ b/services/web/modules/authentication/saml/app/src/SAMLModuleManager.mjs
+@@ -26,7 +26,7 @@ const SAMLModuleManager = {
+       callbackUrl: `${Settings.siteUrl.replace(/\/+$/, '')}/saml/login/callback`,
+       issuer: process.env.OVERLEAF_SAML_ISSUER,
+       audience: process.env.OVERLEAF_SAML_AUDIENCE,
+-      cert: readFilesContentFromEnv(process.env.OVERLEAF_SAML_IDP_CERT),
++      idpCert: readFilesContentFromEnv(process.env.OVERLEAF_SAML_IDP_CERT),
+       privateKey:  readFilesContentFromEnv(process.env.OVERLEAF_SAML_PRIVATE_KEY),
+       decryptionPvk:  readFilesContentFromEnv(process.env.OVERLEAF_SAML_DECRYPTION_PVK),
+       signatureAlgorithm: process.env.OVERLEAF_SAML_SIGNATURE_ALGORITHM,

server-ce/hotfix/5.5.6-ext-3.3/Dockerfile

@@ -0,0 +1,20 @@
+FROM overleafcep/sharelatex:5.5.6-ext-v3.2
+
+# add normalize and sanitize to linked-url-proxy
+COPY *.patch* .
+RUN bash -ec 'for p in *.patch; do echo "=== Applying $p ==="; patch -p1 < "$p" && rm $p; done'  \
+  &&  npm install als-normalize-urlpath@2.3.0 \
+  && rm -f ./package.json.orig \
+  ./services/history-v1/storage/scripts/back_fill_file_hash.mjs.orig \
+  ./services/history-v1/test/acceptance/js/storage/back_fill_file_hash.test.mjs.orig \
+  ./services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs.orig \
+  ./services/web/config/settings.defaults.js.orig \
+  ./services/web/frontend/js/features/source-editor/components/toolbar/toolbar-items.tsx.orig \
+  ./services/web/test/frontend/features/share-project-modal/components/share-project-modal.test.jsx.orig \
+  ./services/web/package.json.orig \
+  ./services/filestore/app.js.orig \
+  ./package-lock.json.orig \
+  ./package-lock.json.diff \
+  /etc/my_init.d/100_make_overleaf_data_dirs.sh.orig \
+  /etc/overleaf/settings.js.orig
+

server-ce/hotfix/5.5.6-ext-3.3/ext-3.3.patch

@@ -0,0 +1,256 @@
+diff --git a/package.json b/package.json
+index 64fbd258ed..7cc3c7f9b3 100644
+--- a/package.json
++++ b/package.json
+@@ -66,6 +66,7 @@
+     "services/history-v1",
+     "services/idp",
+     "services/latexqc",
++    "services/linked-url-proxy",
+     "services/notifications",
+     "services/project-history",
+     "services/real-time",
+diff --git a/services/linked-url-proxy/Dockerfile b/services/linked-url-proxy/Dockerfile
+index 677006182c..7f2053f614 100644
+--- a/services/linked-url-proxy/Dockerfile
++++ b/services/linked-url-proxy/Dockerfile
+@@ -2,7 +2,7 @@
+ # Instead run bin/update_build_scripts from
+ # https://github.com/overleaf/internal/
+ 
+-FROM node:20.18.2 AS base
++FROM node:22.18.0 AS base
+ 
+ WORKDIR /overleaf/services/linked-url-proxy
+ 
+@@ -13,16 +13,20 @@ RUN mkdir /home/node/.config && chown node:node /home/node/.config
+ FROM base AS app
+ 
+ COPY package.json package-lock.json /overleaf/
++COPY libraries/fetch-utils/package.json /overleaf/libraries/fetch-utils/package.json
+ COPY libraries/logger/package.json /overleaf/libraries/logger/package.json
+ COPY libraries/metrics/package.json /overleaf/libraries/metrics/package.json
++COPY libraries/o-error/package.json /overleaf/libraries/o-error/package.json
+ COPY libraries/settings/package.json /overleaf/libraries/settings/package.json
+ COPY services/linked-url-proxy/package.json /overleaf/services/linked-url-proxy/package.json
+ COPY patches/ /overleaf/patches/
+ 
+ RUN cd /overleaf && npm ci --quiet
+ 
++COPY libraries/fetch-utils/ /overleaf/libraries/fetch-utils/
+ COPY libraries/logger/ /overleaf/libraries/logger/
+ COPY libraries/metrics/ /overleaf/libraries/metrics/
++COPY libraries/o-error/ /overleaf/libraries/o-error/
+ COPY libraries/settings/ /overleaf/libraries/settings/
+ COPY services/linked-url-proxy/ /overleaf/services/linked-url-proxy/
+ 
+diff --git a/services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs b/services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs
+index 1269eede0d..ea82f65d16 100644
+--- a/services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs
++++ b/services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs
+@@ -1,4 +1,6 @@
+ import dns from 'dns/promises'
++import { sanitizeUrl } from 'strict-url-sanitise'
++import normalizeUrlPath from 'als-normalize-urlpath'
+ import ipaddr from 'ipaddr.js'
+ import { URL } from 'node:url'
+ import { Transform } from 'node:stream'
+@@ -18,15 +20,7 @@ function isBlockedIp(ipStr, targetUrl) {
+   }
+ 
+   const range = addr.range()
+-  if ([
+-    'loopback',
+-    'private',
+-    'linkLocal',
+-    'multicast',
+-    'reserved',
+-    'broadcast',
+-    'unspecified'
+-  ].includes(range)) {
++  if (!['unicast'].includes(addr.range())) {
+     return true
+   }
+ 
+@@ -44,7 +38,7 @@ function isBlockedIp(ipStr, targetUrl) {
+   return false
+ }
+ 
+-async function validateSourceUrl(hostname, targetUrl) {
++async function checkUrlAccess(hostname, targetUrl) {
+   const records = await dns.lookup(hostname, { all: true }).catch(() => [])
+   if (!records.length) {
+     const err = new Error(`DNS lookup failed for ${hostname}`)
+@@ -62,22 +56,40 @@ async function validateSourceUrl(hostname, targetUrl) {
+   }
+ }
+ 
+-async function fetchValidated(urlStr, redirectCount = 0) {
++async function validateAndFetch(rawUrl, redirectCount = 0) {
+   if (redirectCount > Settings.maxRedirects) {
+     const err = new Error('Too many redirects')
+     err.info = { status: 421 }
+     throw err
+   }
+ 
+-  const url = new URL(urlStr)
++  const sanitizedUrl = sanitizeUrl(rawUrl)
++  if (!sanitizedUrl) {
++    const err = new Error(`Invalid or unsafe URL: ${rawUrl}`)
++    err.info = { status: 400 }
++    throw err
++  }
++
++  const url = new URL(sanitizedUrl)
++
+   if (!['http:', 'https:'].includes(url.protocol)) {
+     const err = new Error(`${url.protocol} protocol is not allowed`)
+     err.info = { status: 400 }
+     throw err
+   }
+ 
+-  // Validate DNS and blocked IPs
+-  await validateSourceUrl(url.hostname, urlStr)
++  const normalizedPath = normalizeUrlPath(url.pathname).pathname
++
++  if (!normalizedPath) {
++    const err = new Error(`Invalid or unsafe URL path: ${url.pathname}`)
++    err.info = { status: 400 }
++    throw err
++  }
++
++  const normalizedUrl = url.toString()
++
++  // check DNS and allowed resources
++  await checkUrlAccess(url.hostname, normalizedUrl)
+ 
+   const opts = {
+     redirect: 'manual',
+@@ -86,7 +98,7 @@ async function fetchValidated(urlStr, redirectCount = 0) {
+   }
+ 
+   try {
+-    const { stream, response } = await fetchStreamWithResponse(urlStr, opts)
++    const { stream, response } = await fetchStreamWithResponse(normalizedUrl, opts)
+ 
+     const contentLengthHeader = response.headers.get('content-length')
+     if (contentLengthHeader) {
+@@ -112,8 +124,8 @@ async function fetchValidated(urlStr, redirectCount = 0) {
+       if (status >= 300 && status < 400) {
+         const location = err.response.headers.get('Location')
+         if (location) {
+-          const nextUrl = new URL(location, url).toString()
+-          return fetchValidated(nextUrl, redirectCount + 1)
++          const nextUrl = new URL(location, normalizedUrl).toString()
++          return validateAndFetch(nextUrl, redirectCount + 1)
+         } else {
+           const e = new Error('Redirect response missing Location header')
+ 	  e.info = { status: 421 }
+@@ -141,14 +153,14 @@ async function proxy(req, res) {
+       return
+     }
+ 
+-    const { stream: upstreamStream, response, headers } = await fetchValidated(targetUrl)
++    const { stream: upstreamStream, response, headers } = await validateAndFetch(targetUrl)
+ 
+     res.statusCode = response.status || 200
+     res.setHeader('Content-Type', headers['content-type'] || 'application/octet-stream')
+     res.setHeader('Cache-Control', 'no-store')
+ 
+     function onError(err) {
+-      logger.warn({ err, url: req.url }, 'linked-url-proxy request failed')
++      logger.info({ err, url: req.url }, 'linked-url-proxy request failed')
+       try { upstreamStream.destroy() } catch (_) {}
+       if (!res.headersSent) {
+ 	let body = `Error: ${err?.message ?? String(err)}`
+@@ -163,11 +175,9 @@ async function proxy(req, res) {
+     upstreamStream.pipe(res)
+ 
+   } catch (err) {
+-    logger.warn({ err, url: req.url }, 'linked-url-proxy request failed')
+-
+-    let status = err.info.status
++    const status = err.info?.status || 500
++    logger.info({ linkedUrl: err.message, status, url: req.url }, 'linked-url-proxy request failed')
+     let body = `Error: ${err.message || String(err)}`
+-
+     try {
+       res.writeHead(status, { 'Content-Type': 'text/plain' })
+       res.end(body)
+diff --git a/services/linked-url-proxy/package.json b/services/linked-url-proxy/package.json
+index 845551c8ef..8081a80822 100644
+--- a/services/linked-url-proxy/package.json
++++ b/services/linked-url-proxy/package.json
+@@ -2,18 +2,24 @@
+   "name": "@overleaf/linked-url-proxy",
+   "description": "An API for providing linked url proxy",
+   "private": true,
+-  "type": "module",
+   "main": "app.mjs",
+   "scripts": {
+-    "start": "node app.mjs"
++    "start": "node app.mjs",
++    "nodemon": "node --watch app.mjs"
+   },
+-  "version": "0.1.0",
++  "version": "0.1.1",
+   "dependencies": {
+     "@overleaf/settings": "*",
+     "@overleaf/logger": "*",
+     "@overleaf/metrics": "*",
+     "async": "^3.2.5",
+-    "express": "^4.21.2"
+-    "ipaddr.js": "^1.9.1"
++    "express": "^4.21.2",
++    "ipaddr.js": "^1.9.1",
++    "als-normalize-urlpath": "^2.3.0",
++    "strict-url-sanitise": "^0.0.1"
++  },
++  "devDependencies": {
++    "als-normalize-urlpath": "^2.3.0",
++    "strict-url-sanitise": "^0.0.1"
+   }
+ }
+diff --git a/services/linked-url-proxy/tsconfig.json b/services/linked-url-proxy/tsconfig.json
+index c018d6e682..0639496cc8 100644
+--- a/services/linked-url-proxy/tsconfig.json
++++ b/services/linked-url-proxy/tsconfig.json
+@@ -1,7 +1,7 @@
+ {
+   "extends": "../../tsconfig.backend.json",
+   "include": [
+-    "app.js",
++    "app.mjs",
+     "app.ts",
+     "app/js/**/*",
+     "benchmarks/**/*",
+diff --git a/services/web/package.json b/services/web/package.json
+index 21da1188a2..c2c4fcfaba 100644
+--- a/services/web/package.json
++++ b/services/web/package.json
+@@ -69,6 +69,7 @@
+     "last 1 year",
+     "safari > 14"
+   ],
++
+   "dependencies": {
+     "@contentful/rich-text-html-renderer": "^16.0.2",
+     "@contentful/rich-text-types": "^16.0.2",
+@@ -92,6 +93,7 @@
+     "@xmldom/xmldom": "^0.7.13",
+     "accepts": "^1.3.7",
+     "ajv": "^8.12.0",
++    "als-normalize-urlpath": "^2.3.0",
+     "archiver": "^5.3.0",
+     "async": "^3.2.5",
+     "base-x": "^4.0.1",
+@@ -166,7 +168,8 @@
+     "request": "^2.88.2",
+     "requestretry": "^7.1.0",
+     "sanitize-html": "^2.8.1",
+-    "stripe": "^18.1.0",
++    "strict-url-sanitise": "^0.0.1",
++    "stripe": "^18.4.0",
+     "tough-cookie": "^4.0.0",
+     "tsscmp": "^1.0.6",
+     "uid-safe": "^2.1.5",

server-ce/init_scripts/200_nginx_config_template.sh

@@ -16,11 +16,18 @@ fi
 nginx_template_file="${nginx_templates_dir}/nginx.conf.template"
 nginx_config_file="${nginx_dir}/nginx.conf"
 
+overleaf_template_file="${nginx_templates_dir}/overleaf.conf.template"
+overleaf_config_file="${nginx_dir}/sites-enabled/overleaf.conf"
+
 if [ -f "${nginx_template_file}" ]; then
   export NGINX_KEEPALIVE_TIMEOUT="${NGINX_KEEPALIVE_TIMEOUT:-65}"
   export NGINX_WORKER_CONNECTIONS="${NGINX_WORKER_CONNECTIONS:-768}"
   export NGINX_WORKER_PROCESSES="${NGINX_WORKER_PROCESSES:-4}"
+  export MAX_UPLOAD_SIZE="${MAX_UPLOAD_SIZE:-50}"
 
+  export GIT_BRIDGE_HOST="${GIT_BRIDGE_HOST:-git-bridge}"
+  export GIT_BRIDGE_PORT="${GIT_BRIDGE_PORT:-8000}"
+  export GIT_BRIDGE_REPOSTORE_MAX_FILE_SIZE="${GIT_BRIDGE_REPOSTORE_MAX_FILE_SIZE:-52428800}"
   echo "Nginx: generating config file from template"
 
   # Note the single-quotes, they are important.
@@ -31,10 +38,20 @@ if [ -f "${nginx_template_file}" ]; then
     ${NGINX_KEEPALIVE_TIMEOUT}
     ${NGINX_WORKER_CONNECTIONS}
     ${NGINX_WORKER_PROCESSES}
+    ${MAX_UPLOAD_SIZE}
   ' \
     < "${nginx_template_file}" \
     > "${nginx_config_file}"
 
+  # Config git-bridge in nginx
+  envsubst '
+    ${GIT_BRIDGE_HOST}
+    ${GIT_BRIDGE_PORT}
+    ${GIT_BRIDGE_REPOSTORE_MAX_FILE_SIZE}
+  ' \
+    < "${overleaf_template_file}" \
+    > "${overleaf_config_file}"
+
   echo "Checking Nginx config"
   nginx -t
 

server-ce/nginx/clsi-nginx.conf

@@ -34,8 +34,8 @@ server {
     root /var/lib/overleaf/data/output/$1-$2/generated-files/$3/;
   }
   # handle output files for anonymous users
-  location ~ ^/project/([0-9a-f]+)/build/([0-9a-f-]+)/output/(.+)$ {
+  location ~ ^/project/([0-9a-f-]+)/build/([0-9a-f-]+)/output/(.+)$ {
-    rewrite ^/project/([0-9a-f]+)/build/([0-9a-f-]+)/output/(.+)$ /$3 break;
+    rewrite ^/project/([0-9a-f-]+)/build/([0-9a-f-]+)/output/(.+)$ /$3 break;
     root /var/lib/overleaf/data/output/$1/generated-files/$2/;
   }
 

server-ce/nginx/nginx.conf.template

@@ -46,7 +46,7 @@ http {
 	gzip_disable "msie6";
 	gzip_proxied any; # allow upstream server to compress.
 
-	client_max_body_size 50m;
+	client_max_body_size ${MAX_UPLOAD_SIZE}m;
 
 	# gzip_vary on;
 	# gzip_proxied any;

server-ce/nginx/overleaf.conf.template

@@ -21,6 +21,23 @@ server {
 		proxy_send_timeout 10m;
 	}
 
+	location ^~ /git/ {
+		resolver_timeout 2s;
+		resolver 127.0.0.11 valid=10s;
+		set $git_upstream http://${GIT_BRIDGE_HOST}:${GIT_BRIDGE_PORT};
+		rewrite ^/git/(.*)$ /$1 break;
+		client_max_body_size ${GIT_BRIDGE_REPOSTORE_MAX_FILE_SIZE};
+		proxy_pass $git_upstream;
+		proxy_http_version 1.1;
+		proxy_set_header Upgrade $http_upgrade;
+		proxy_set_header Connection "upgrade";
+		proxy_set_header Host $host;
+		proxy_set_header X-Forwarded-Host $host;
+		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+		proxy_read_timeout 10m;
+		proxy_send_timeout 10m;
+	}
+
 	location /socket.io {
 		proxy_pass http://127.0.0.1:3026;
 		proxy_http_version 1.1;

server-ce/runit/linked-url-proxy-overleaf/run

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+NODE_PARAMS=""
+if [ "$DEBUG_NODE" == "true" ]; then
+    echo "running debug - linked-url-proxy"
+    NODE_PARAMS="--inspect=0.0.0.0:30660"
+fi
+
+source /etc/overleaf/env.sh
+export LISTEN_ADDRESS=127.0.0.1
+
+exec /sbin/setuser www-data /usr/bin/node $NODE_PARAMS /overleaf/services/linked-url-proxy/app.mjs >> /var/log/overleaf/linked-url-proxy.log 2>&1

server-ce/services.js

@@ -29,6 +29,9 @@ module.exports = [
   {
     name: 'history-v1',
   },
+  {
+    name: 'linked-url-proxy',
+  },
 ]
 
 if (require.main === module) {

server-ce/test/docker-compose.yml

@@ -19,7 +19,7 @@ services:
       OVERLEAF_EMAIL_SMTP_HOST: "mailtrap"
       OVERLEAF_EMAIL_SMTP_PORT: "25"
       OVERLEAF_EMAIL_SMTP_IGNORE_TLS: "true"
-      ENABLED_LINKED_FILE_TYPES: "project_file,project_output_file"
+      ENABLED_LINKED_FILE_TYPES: "project_file,project_output_file,zotero"
       ENABLE_CONVERSIONS: "true"
       EMAIL_CONFIRMATION_DISABLED: "true"
       OVERLEAF_INVITE_TOKEN_SECRET: "invite-token-secret"

services/clsi/README.md

@@ -29,7 +29,7 @@ The CLSI can be configured through the following environment variables:
 - `PROCESS_LIFE_SPAN_LIMIT_MS` - Process life span limit in milliseconds
 - `SMOKE_TEST` - Whether to run smoke tests
 - `TEXLIVE_IMAGE` - The TeX Live Docker image to use for sibling containers, e.g. `us-east1-docker.pkg.dev/overleaf-ops/ol-docker/texlive-full:2025.1`
-- `TEX_LIVE_IMAGE_NAME_OVERRIDE` - The name of the registry for the Docker image e.g. `us-east1-docker.pkg.dev/overleaf-ops/ol-docker`
+- `TEX_LIVE_DOCKER_IMAGE_ROOT` - The name of the registry for the Docker image e.g. `us-east1-docker.pkg.dev/overleaf-ops/ol-docker`
 - `TEXLIVE_IMAGE_USER` - When using sibling containers, the user to run as in the TeX Live image. Defaults to `tex`
 - `TEXLIVE_OPENOUT_ANY` - Sets the `openout_any` environment variable for TeX Live (see the `\openout` primitive [documentation](http://tug.org/texinfohtml/web2c.html#tex-invocation))
 

services/clsi/app/js/CommandRunner.js

@@ -10,7 +10,7 @@ import logger from '@overleaf/logger'
 let commandRunnerPath
 
 if ((Settings.clsi != null ? Settings.clsi.dockerRunner : undefined) === true) {
-  commandRunnerPath = './DockerRunner.js'
+  commandRunnerPath = './DockerRunner.mjs'
 } else {
   commandRunnerPath = './LocalCommandRunner.js'
 }

services/clsi/app/js/DockerLockManager.js

@@ -0,0 +1,110 @@
+// TODO: This file was created by bulk-decaffeinate.
+// Fix any style issues and re-enable lint.
+/*
+ * decaffeinate suggestions:
+ * DS101: Remove unnecessary use of Array.from
+ * DS102: Remove unnecessary code created because of implicit returns
+ * DS207: Consider shorter variations of null checks
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
+ */
+import logger from '@overleaf/logger'
+let LockManager
+
+const LockState = {} // locks for docker container operations, by container name
+
+export default LockManager = {
+  MAX_LOCK_HOLD_TIME: 15000, // how long we can keep a lock
+  MAX_LOCK_WAIT_TIME: 10000, // how long we wait for a lock
+  LOCK_TEST_INTERVAL: 1000, // retry time
+
+  tryLock(key, callback) {
+    let lockValue
+    if (callback == null) {
+      callback = function () {}
+    }
+    const existingLock = LockState[key]
+    if (existingLock != null) {
+      // the lock is already taken, check how old it is
+      const lockAge = Date.now() - existingLock.created
+      if (lockAge < LockManager.MAX_LOCK_HOLD_TIME) {
+        return callback(null, false) // we didn't get the lock, bail out
+      } else {
+        logger.error(
+          { key, lock: existingLock, age: lockAge },
+          'taking old lock by force'
+        )
+      }
+    }
+    // take the lock
+    LockState[key] = lockValue = { created: Date.now() }
+    return callback(null, true, lockValue)
+  },
+
+  getLock(key, callback) {
+    let attempt
+    if (callback == null) {
+      callback = function () {}
+    }
+    const startTime = Date.now()
+    return (attempt = () =>
+      LockManager.tryLock(key, function (error, gotLock, lockValue) {
+        if (error != null) {
+          return callback(error)
+        }
+        if (gotLock) {
+          return callback(null, lockValue)
+        } else if (Date.now() - startTime > LockManager.MAX_LOCK_WAIT_TIME) {
+          const e = new Error('Lock timeout')
+          e.key = key
+          return callback(e)
+        } else {
+          return setTimeout(attempt, LockManager.LOCK_TEST_INTERVAL)
+        }
+      }))()
+  },
+
+  releaseLock(key, lockValue, callback) {
+    if (callback == null) {
+      callback = function () {}
+    }
+    const existingLock = LockState[key]
+    if (existingLock === lockValue) {
+      // lockValue is an object, so we can test by reference
+      delete LockState[key] // our lock, so we can free it
+      return callback()
+    } else if (existingLock != null) {
+      // lock exists but doesn't match ours
+      logger.error(
+        { key, lock: existingLock },
+        'tried to release lock taken by force'
+      )
+      return callback()
+    } else {
+      logger.error(
+        { key, lock: existingLock },
+        'tried to release lock that has gone'
+      )
+      return callback()
+    }
+  },
+
+  runWithLock(key, runner, callback) {
+    if (callback == null) {
+      callback = function () {}
+    }
+    return LockManager.getLock(key, function (error, lockValue) {
+      if (error != null) {
+        return callback(error)
+      }
+      return runner((error1, ...args) =>
+        LockManager.releaseLock(key, lockValue, function (error2) {
+          error = error1 || error2
+          if (error != null) {
+            return callback(error)
+          }
+          return callback(null, ...Array.from(args))
+        })
+      )
+    })
+  },
+}

services/clsi/app/js/DockerRunner.mjs

@@ -0,0 +1,630 @@
+import { promisify } from 'node:util'
+import Settings from '@overleaf/settings'
+import logger from '@overleaf/logger'
+import Docker from 'dockerode'
+import crypto from 'node:crypto'
+import async from 'async'
+import LockManager from './DockerLockManager.js'
+import Path from 'node:path'
+import _ from 'lodash'
+import { getLastProjectAccessTime } from './LastProjectAccess.js'
+
+const dockerode = new Docker()
+
+const ONE_HOUR_IN_MS = 60 * 60 * 1000
+logger.debug('using docker runner')
+
+let containerMonitorTimeout
+let containerMonitorInterval
+
+const DockerRunner = {
+  run(
+    projectId,
+    command,
+    directory,
+    image,
+    timeout,
+    environment,
+    compileGroup,
+    cwd,
+    callback
+  ) {
+    command = command.map(arg =>
+      arg.toString().replace('$COMPILE_DIR', '/compile')
+    )
+    if (image == null) {
+      image = Settings.clsi.docker.image
+    }
+
+    if (
+      Settings.clsi.docker.allowedImages &&
+      !Settings.clsi.docker.allowedImages.includes(image)
+    ) {
+      return callback(new Error('image not allowed'))
+    }
+
+    if (Settings.texliveImageNameOveride != null) {
+      const img = Path.basename(image)
+      image = `${Settings.texliveImageNameOveride}/${img}`
+    }
+
+    if (compileGroup === 'synctex-output') {
+      // In: directory = '/overleaf/services/clsi/output/projectId-userId/generated-files/buildId'
+      //             directory.split('/').slice(-3) === 'projectId-userId/generated-files/buildId'
+      //  sandboxedCompilesHostDirOutput = '/host/output'
+      // Out:                  directory = '/host/output/projectId-userId/generated-files/buildId'
+      directory = Path.join(
+        Settings.path.sandboxedCompilesHostDirOutput,
+        ...directory.split('/').slice(-3)
+      )
+    } else {
+      // In:   directory = '/overleaf/services/clsi/compiles/projectId-userId'
+      //                       Path.basename(directory) === 'projectId-userId'
+      //  sandboxedCompilesHostDirCompiles = '/host/compiles'
+      // Out:                    directory = '/host/compiles/projectId-userId'
+      directory = Path.join(
+        Settings.path.sandboxedCompilesHostDirCompiles,
+        Path.basename(directory)
+      )
+    }
+
+    const volumes = { [directory]: '/compile' }
+    if (
+      compileGroup === 'synctex' ||
+      compileGroup === 'synctex-output' ||
+      compileGroup === 'wordcount'
+    ) {
+      volumes[directory] += ':ro'
+    }
+
+    const options = DockerRunner._getContainerOptions(
+      command,
+      image,
+      volumes,
+      timeout,
+      environment,
+      compileGroup,
+      cwd
+    )
+    const fingerprint = DockerRunner._fingerprintContainer(options)
+    const name = `project-${projectId}-${fingerprint}`
+    options.name = name
+
+    // logOptions = _.clone(options)
+    // logOptions?.HostConfig?.SecurityOpt = "secomp used, removed in logging"
+    logger.debug({ projectId }, 'running docker container')
+    DockerRunner._runAndWaitForContainer(
+      options,
+      volumes,
+      timeout,
+      (error, output) => {
+        if (error && error.statusCode === 500) {
+          logger.debug(
+            { err: error, projectId },
+            'error running container so destroying and retrying'
+          )
+          DockerRunner.destroyContainer(name, null, true, error => {
+            if (error != null) {
+              return callback(error)
+            }
+            DockerRunner._runAndWaitForContainer(
+              options,
+              volumes,
+              timeout,
+              callback
+            )
+          })
+        } else {
+          callback(error, output)
+        }
+      }
+    )
+
+    // pass back the container name to allow it to be killed
+    return name
+  },
+
+  kill(containerId, callback) {
+    logger.debug({ containerId }, 'sending kill signal to container')
+    const container = dockerode.getContainer(containerId)
+    container.kill(error => {
+      if (
+        error != null &&
+        error.message != null &&
+        error.message.match(/Cannot kill container .* is not running/)
+      ) {
+        logger.warn(
+          { err: error, containerId },
+          'container not running, continuing'
+        )
+        error = null
+      }
+      if (error != null) {
+        logger.error({ err: error, containerId }, 'error killing container')
+        callback(error)
+      } else {
+        callback()
+      }
+    })
+  },
+
+  _runAndWaitForContainer(options, volumes, timeout, _callback) {
+    const callback = _.once(_callback)
+    const { name } = options
+
+    let streamEnded = false
+    let containerReturned = false
+    let output = {}
+
+    function callbackIfFinished() {
+      if (streamEnded && containerReturned) {
+        callback(null, output)
+      }
+    }
+
+    function attachStreamHandler(error, _output) {
+      if (error != null) {
+        return callback(error)
+      }
+      output = _output
+      streamEnded = true
+      callbackIfFinished()
+    }
+
+    DockerRunner.startContainer(
+      options,
+      volumes,
+      attachStreamHandler,
+      (error, containerId) => {
+        if (error != null) {
+          return callback(error)
+        }
+
+        DockerRunner.waitForContainer(
+          name,
+          timeout,
+          options,
+          (error, exitCode) => {
+            if (error != null) {
+              return callback(error)
+            }
+            if (exitCode === 137) {
+              // exit status from kill -9
+              const err = new Error('terminated')
+              err.terminated = true
+              return callback(err)
+            }
+            if (exitCode === 1) {
+              // exit status from chktex
+              const err = new Error('exited')
+              err.code = exitCode
+              return callback(err)
+            }
+            output.exitCode = exitCode
+            containerReturned = true
+            logger.debug(
+              // The seccomp policy is very large. Avoid logging it. _.omit deep clones.
+              { exitCode, options: _.omit(options, 'HostConfig.SecurityOpt') },
+              'docker container has exited'
+            )
+            callbackIfFinished()
+          }
+        )
+      }
+    )
+  },
+
+  _getContainerOptions(
+    command,
+    image,
+    volumes,
+    timeout,
+    environment,
+    compileGroup,
+    cwd
+  ) {
+    const timeoutInSeconds = timeout / 1000
+
+    for (const hostVol in volumes) {
+      const dockerVol = volumes[hostVol]
+      if (volumes[hostVol].slice(-3).indexOf(':r') === -1) {
+        volumes[hostVol] = `${dockerVol}:rw`
+      }
+    }
+
+    // merge settings and environment parameter
+    const env = {}
+    for (const src of [Settings.clsi.docker.env, environment || {}]) {
+      for (const key in src) {
+        const value = src[key]
+        env[key] = value
+      }
+    }
+    // set the path based on the image year
+    const match = image.match(/:([0-9]+)\.[0-9]+|:TL([0-9]+)/)
+    // the rolling build does not follow our <year>.<version>.<patch> convention
+    const year = match ? match[1] || match[2] : 'rolling'
+
+    env.PATH = `/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/texlive/${year}/bin/x86_64-linux/`
+    const options = {
+      Cmd: command,
+      Image: image,
+      WorkingDir: cwd
+        ? Path.posix.join('/compile', cwd)
+        : '/compile',
+      NetworkDisabled: true,
+      Memory: 1024 * 1024 * 1024 * 1024, // 1 Gb
+      User: Settings.clsi.docker.user,
+      Env: Object.entries(env).map(([key, value]) => `${key}=${value}`),
+      HostConfig: {
+        Binds: Object.entries(volumes).map(
+          ([hostVol, dockerVol]) => `${hostVol}:${dockerVol}`
+        ),
+        LogConfig: { Type: 'none', Config: {} },
+        Ulimits: [
+          {
+            Name: 'cpu',
+            Soft: timeoutInSeconds + 5,
+            Hard: timeoutInSeconds + 10,
+          },
+        ],
+        CapDrop: ['ALL'],
+        SecurityOpt: ['no-new-privileges'],
+      },
+    }
+
+    if (Settings.clsi.docker.seccomp_profile != null) {
+      options.HostConfig.SecurityOpt.push(
+        `seccomp=${Settings.clsi.docker.seccomp_profile}`
+      )
+    }
+
+    if (Settings.clsi.docker.apparmor_profile != null) {
+      options.HostConfig.SecurityOpt.push(
+        `apparmor=${Settings.clsi.docker.apparmor_profile}`
+      )
+    }
+
+    if (Settings.clsi.docker.runtime) {
+      options.HostConfig.Runtime = Settings.clsi.docker.runtime
+    }
+
+    if (Settings.clsi.docker.Readonly) {
+      options.HostConfig.ReadonlyRootfs = true
+      options.HostConfig.Tmpfs = { '/tmp': 'rw,noexec,nosuid,size=65536k' }
+      options.Volumes['/home/tex'] = {}
+    }
+
+    // Allow per-compile group overriding of individual settings
+    if (
+      Settings.clsi.docker.compileGroupConfig &&
+      Settings.clsi.docker.compileGroupConfig[compileGroup]
+    ) {
+      const override = Settings.clsi.docker.compileGroupConfig[compileGroup]
+      for (const key in override) {
+        _.set(options, key, override[key])
+      }
+    }
+
+    return options
+  },
+
+  _fingerprintContainer(containerOptions) {
+    // Yay, Hashing!
+    const json = JSON.stringify(containerOptions)
+    return crypto.createHash('md5').update(json).digest('hex')
+  },
+
+  startContainer(options, volumes, attachStreamHandler, callback) {
+    LockManager.runWithLock(
+      options.name,
+      releaseLock =>
+        DockerRunner._startContainer(
+          options,
+          volumes,
+          attachStreamHandler,
+          releaseLock
+        ),
+      callback
+    )
+  },
+
+  // Check that volumes exist and are directories
+  _startContainer(options, volumes, attachStreamHandler, callback) {
+    callback = _.once(callback)
+    const { name } = options
+
+    logger.debug({ containerName: name }, 'starting container')
+    const container = dockerode.getContainer(name)
+
+    function createAndStartContainer() {
+      dockerode.createContainer(options, (error, container) => {
+        if (error != null) {
+          return callback(error)
+        }
+        startExistingContainer()
+      })
+    }
+
+    function startExistingContainer() {
+      DockerRunner.attachToContainer(
+        options.name,
+        attachStreamHandler,
+        error => {
+          if (error != null) {
+            return callback(error)
+          }
+          container.start(error => {
+            if (error != null && error.statusCode !== 304) {
+              callback(error)
+            } else {
+              // already running
+              callback()
+            }
+          })
+        }
+      )
+    }
+
+    container.inspect((error, stats) => {
+      if (error != null && error.statusCode === 404) {
+        createAndStartContainer()
+      } else if (error != null) {
+        logger.err(
+          { containerName: name, error },
+          'unable to inspect container to start'
+        )
+        callback(error)
+      } else {
+        startExistingContainer()
+      }
+    })
+  },
+
+  attachToContainer(containerId, attachStreamHandler, attachStartCallback) {
+    const container = dockerode.getContainer(containerId)
+    container.attach({ stdout: 1, stderr: 1, stream: 1 }, (error, stream) => {
+      if (error != null) {
+        logger.error(
+          { err: error, containerId },
+          'error attaching to container'
+        )
+        return attachStartCallback(error)
+      } else {
+        attachStartCallback()
+      }
+
+      logger.debug({ containerId }, 'attached to container')
+
+      const MAX_OUTPUT = 1024 * 1024 * 2 // limit output to 2MB
+      function createStringOutputStream(name) {
+        return {
+          data: '',
+          overflowed: false,
+          write(data) {
+            if (this.overflowed) {
+              return
+            }
+            if (this.data.length < MAX_OUTPUT) {
+              this.data += data
+            } else {
+              logger.info(
+                {
+                  containerId,
+                  length: this.data.length,
+                  maxLen: MAX_OUTPUT,
+                },
+                `${name} exceeds max size`
+              )
+              this.data += `(...truncated at ${MAX_OUTPUT} chars...)`
+              this.overflowed = true
+            }
+          },
+          // kill container if too much output
+          // docker.containers.kill(containerId, () ->)
+        }
+      }
+
+      const stdout = createStringOutputStream('stdout')
+      const stderr = createStringOutputStream('stderr')
+
+      container.modem.demuxStream(stream, stdout, stderr)
+
+      stream.on('error', err =>
+        logger.error(
+          { err, containerId },
+          'error reading from container stream'
+        )
+      )
+
+      stream.on('end', () =>
+        attachStreamHandler(null, { stdout: stdout.data, stderr: stderr.data })
+      )
+    })
+  },
+
+  waitForContainer(containerId, timeout, options, _callback) {
+    const callback = _.once(_callback)
+
+    const container = dockerode.getContainer(containerId)
+
+    let timedOut = false
+    const timeoutId = setTimeout(() => {
+      timedOut = true
+      logger.debug({ containerId }, 'timeout reached, killing container')
+      container.kill(err => {
+        logger.warn({ err, containerId }, 'failed to kill container')
+      })
+    }, timeout)
+
+    logger.debug({ containerId }, 'waiting for docker container')
+    container.wait((error, res) => {
+      if (error?.statusCode === 404 && options.HostConfig.AutoRemove) {
+        logger.debug(
+          { containerId },
+          'auto-destroy container destroyed before starting to wait'
+        )
+        clearTimeout(timeoutId)
+        return callback(null, 0)
+      }
+      if (error != null) {
+        clearTimeout(timeoutId)
+        logger.warn({ err: error, containerId }, 'error waiting for container')
+        return callback(error)
+      }
+      if (timedOut) {
+        logger.debug({ containerId }, 'docker container timed out')
+        error = new Error('container timed out')
+        error.timedout = true
+        callback(error)
+      } else {
+        clearTimeout(timeoutId)
+        logger.debug(
+          { containerId, exitCode: res.StatusCode },
+          'docker container returned'
+        )
+        callback(null, res.StatusCode)
+      }
+    })
+  },
+
+  destroyContainer(containerName, containerId, shouldForce, callback) {
+    // We want the containerName for the lock and, ideally, the
+    // containerId to delete.  There is a bug in the docker.io module
+    // where if you delete by name and there is an error, it throws an
+    // async exception, but if you delete by id it just does a normal
+    // error callback. We fall back to deleting by name if no id is
+    // supplied.
+    LockManager.runWithLock(
+      containerName,
+      releaseLock =>
+        DockerRunner._destroyContainer(
+          containerId || containerName,
+          shouldForce,
+          releaseLock
+        ),
+      callback
+    )
+  },
+
+  _destroyContainer(containerId, shouldForce, callback) {
+    logger.debug({ containerId }, 'destroying docker container')
+    const container = dockerode.getContainer(containerId)
+    container.remove({ force: shouldForce === true, v: true }, error => {
+      if (error != null && error.statusCode === 404) {
+        logger.warn(
+          { err: error, containerId },
+          'container not found, continuing'
+        )
+        error = null
+      }
+      if (error != null) {
+        logger.error({ err: error, containerId }, 'error destroying container')
+      } else {
+        logger.debug({ containerId }, 'destroyed container')
+      }
+      callback(error)
+    })
+  },
+
+  // handle expiry of docker containers
+
+  MAX_CONTAINER_AGE: Settings.clsi.docker.maxContainerAge || ONE_HOUR_IN_MS,
+
+  examineOldContainer(container, callback) {
+    const name = container.Name || (container.Names && container.Names[0])
+    const created = container.Created * 1000 // creation time is returned in seconds
+    const now = Date.now()
+    const age = now - created
+    const maxAge = DockerRunner.MAX_CONTAINER_AGE
+    const ttl = maxAge - age
+    logger.debug(
+      { containerName: name, created, now, age, maxAge, ttl },
+      'checking whether to destroy container'
+    )
+    return { name, id: container.Id, ttl }
+  },
+
+  destroyOldContainers(callback) {
+    dockerode.listContainers({ all: true }, (error, containers) => {
+      if (error != null) {
+        return callback(error)
+      }
+      const jobs = []
+      for (const container of containers) {
+        const { name, id, ttl } = DockerRunner.examineOldContainer(container)
+        if (name.slice(0, 9) === '/project-' && ttl <= 0) {
+          // extract projectId: /project-<projectId>-...
+          const match = name.match(/^\/project-([a-f0-9]{24})-/)
+          const projectId = match && match[1]
+
+          if (projectId != null) {
+            const lastAccess = getLastProjectAccessTime(projectId)
+            // if last access time is missing, lastAccess === 0, container will be destroyed
+            // provided that MAX_CONTAINER_AGE is less that 56 years, but anyway, let's check it
+            if (lastAccess && lastAccess > Date.now() - DockerRunner.MAX_CONTAINER_AGE) {
+              continue
+            }
+          }
+
+          // strip the / prefix
+          // the LockManager uses the plain container name
+          const plainName = name.slice(1)
+          jobs.push(cb =>
+            DockerRunner.destroyContainer(plainName, id, false, () => cb())
+          )
+        }
+      }
+      // Ignore errors because some containers get stuck but
+      // will be destroyed next time
+      async.series(jobs, callback)
+    })
+  },
+
+  startContainerMonitor() {
+    logger.debug(
+      { maxAge: DockerRunner.MAX_CONTAINER_AGE },
+      'starting container expiry'
+    )
+
+    // guarantee only one monitor is running
+    DockerRunner.stopContainerMonitor()
+
+    // randomise the start time
+    const randomDelay = Math.floor(Math.random() * 5 * 60 * 1000)
+    containerMonitorTimeout = setTimeout(() => {
+      containerMonitorInterval = setInterval(
+        () =>
+          DockerRunner.destroyOldContainers(err => {
+            if (err) {
+              logger.error({ err }, 'failed to destroy old containers')
+            }
+          }),
+        ONE_HOUR_IN_MS
+      )
+    }, randomDelay)
+  },
+
+  stopContainerMonitor() {
+    if (containerMonitorTimeout) {
+      clearTimeout(containerMonitorTimeout)
+      containerMonitorTimeout = undefined
+    }
+    if (containerMonitorInterval) {
+      clearInterval(containerMonitorInterval)
+      containerMonitorInterval = undefined
+    }
+  },
+
+  canRunSyncTeXInOutputDir() {
+    return Boolean(Settings.path.sandboxedCompilesHostDirOutput)
+  },
+}
+
+DockerRunner.startContainerMonitor()
+
+DockerRunner.promises = {
+  run: promisify(DockerRunner.run),
+  kill: promisify(DockerRunner.kill),
+}
+export default DockerRunner

services/clsi/buildscript.txt

@@ -1,7 +1,7 @@
 clsi
 --data-dirs=cache,compiles,output
 --dependencies=
---env-add=DOWNLOAD_HOST=http://clsi-nginx:8080,ALLOWED_COMPILE_GROUPS=clsi-perf simple-latex-file,ENABLE_PDF_CACHING=true,PDF_CACHING_ENABLE_WORKER_POOL=true,ALLOWED_IMAGES=quay.io/sharelatex/texlive-full:2017.1 quay.io/sharelatex/texlive-full:2025.1 quay.io/sharelatex/pandoc:3.9 quay.io/sharelatex/pdftocairo:24.02,TEXLIVE_IMAGE=quay.io/sharelatex/texlive-full:2025.1,TEX_LIVE_IMAGE_NAME_OVERRIDE=us-east1-docker.pkg.dev/overleaf-ops/ol-docker,TEXLIVE_IMAGE_USER=tex,SANDBOXED_COMPILES=true,SANDBOXED_COMPILES_HOST_DIR_COMPILES=$PWD/compiles,SANDBOXED_COMPILES_HOST_DIR_OUTPUT=$PWD/output,ENABLE_PANDOC_CONVERSIONS=true,ENABLE_PDF_CONVERSIONS=true
+--env-add=DOWNLOAD_HOST=http://clsi-nginx:8080,ALLOWED_COMPILE_GROUPS=clsi-perf simple-latex-file,ENABLE_PDF_CACHING=true,PDF_CACHING_ENABLE_WORKER_POOL=true,ALLOWED_IMAGES=quay.io/sharelatex/texlive-full:2017.1 quay.io/sharelatex/texlive-full:2025.1 quay.io/sharelatex/pandoc:3.9 quay.io/sharelatex/pdftocairo:24.02,TEXLIVE_IMAGE=quay.io/sharelatex/texlive-full:2025.1,TEX_LIVE_DOCKER_IMAGE_ROOT=us-east1-docker.pkg.dev/overleaf-ops/ol-docker,TEXLIVE_IMAGE_USER=tex,SANDBOXED_COMPILES=true,SANDBOXED_COMPILES_HOST_DIR_COMPILES=$PWD/compiles,SANDBOXED_COMPILES_HOST_DIR_OUTPUT=$PWD/output,ENABLE_PANDOC_CONVERSIONS=true,ENABLE_PDF_CONVERSIONS=true
 --env-pass-through=
 --esmock-loader=False
 --node-version=24.14.1

services/clsi/config/settings.defaults.cjs

@@ -93,7 +93,7 @@ module.exports = {
   parallelFileDownloads:
     parseInt(process.env.FILESTORE_PARALLEL_FILE_DOWNLOADS, 10) || 1,
   filestoreDomainOveride: process.env.FILESTORE_DOMAIN_OVERRIDE,
-  texliveImageNameOveride: process.env.TEX_LIVE_IMAGE_NAME_OVERRIDE,
+  texliveImageNameOveride: process.env.TEX_LIVE_DOCKER_IMAGE_ROOT,
   texliveOpenoutAny: process.env.TEXLIVE_OPENOUT_ANY,
   texliveMaxPrintLine: process.env.TEXLIVE_MAX_PRINT_LINE,
   enablePdfCaching: process.env.ENABLE_PDF_CACHING === 'true',
@@ -125,7 +125,7 @@ if (process.env.ALLOWED_COMPILE_GROUPS) {
 
 if ((process.env.DOCKER_RUNNER || process.env.SANDBOXED_COMPILES) === 'true') {
   if (
-    !fs.existsSync(Path.join(__dirname, '..', 'app', 'js', 'DockerRunner.js'))
+    !fs.existsSync(Path.join(__dirname, '..', 'app', 'js', 'DockerRunner.mjs'))
   ) {
     console.error(
       'Sandboxed compiles are only available with Overleaf Server Pro. Compare Server Pro with Community Edition here: https://docs.overleaf.com/on-premises/welcome/server-pro-vs.-community-edition'
@@ -140,13 +140,13 @@ if ((process.env.DOCKER_RUNNER || process.env.SANDBOXED_COMPILES) === 'true') {
       image:
         process.env.TEXLIVE_IMAGE ||
         process.env.TEX_LIVE_DOCKER_IMAGE ||
-        'quay.io/sharelatex/texlive-full:2017.1',
+        process.env.ALL_TEX_LIVE_DOCKER_IMAGES.split(',')[0].trim(),
       env: {
         HOME: '/tmp',
         CLSI: 1,
       },
       socketPath: '/var/run/docker.sock',
-      user: process.env.TEXLIVE_IMAGE_USER || 'tex',
+      user: process.env.TEXLIVE_IMAGE_USER || 'www-data',
     },
     optimiseInDocker: true,
     expireProjectAfterIdleMs: 24 * 60 * 60 * 1000,

services/clsi/docker-compose.ci.yml

@@ -32,7 +32,7 @@ services:
       PDF_CACHING_ENABLE_WORKER_POOL: true
       ALLOWED_IMAGES: quay.io/sharelatex/texlive-full:2017.1 quay.io/sharelatex/texlive-full:2025.1 quay.io/sharelatex/pandoc:3.9 quay.io/sharelatex/pdftocairo:24.02
       TEXLIVE_IMAGE: quay.io/sharelatex/texlive-full:2025.1
-      TEX_LIVE_IMAGE_NAME_OVERRIDE: us-east1-docker.pkg.dev/overleaf-ops/ol-docker
+      TEX_LIVE_DOCKER_IMAGE_ROOT: us-east1-docker.pkg.dev/overleaf-ops/ol-docker
       TEXLIVE_IMAGE_USER: tex
       SANDBOXED_COMPILES: true
       SANDBOXED_COMPILES_HOST_DIR_COMPILES: $PWD/compiles

services/clsi/docker-compose.yml

@@ -55,7 +55,7 @@ services:
       PDF_CACHING_ENABLE_WORKER_POOL: true
       ALLOWED_IMAGES: quay.io/sharelatex/texlive-full:2017.1 quay.io/sharelatex/texlive-full:2025.1 quay.io/sharelatex/pandoc:3.9 quay.io/sharelatex/pdftocairo:24.02
       TEXLIVE_IMAGE: quay.io/sharelatex/texlive-full:2025.1
-      TEX_LIVE_IMAGE_NAME_OVERRIDE: us-east1-docker.pkg.dev/overleaf-ops/ol-docker
+      TEX_LIVE_DOCKER_IMAGE_ROOT: us-east1-docker.pkg.dev/overleaf-ops/ol-docker
       TEXLIVE_IMAGE_USER: tex
       SANDBOXED_COMPILES: true
       SANDBOXED_COMPILES_HOST_DIR_COMPILES: $PWD/compiles

services/clsi/seccomp/clsi-profile.json

@@ -0,0 +1,914 @@
+{
+    "defaultAction": "SCMP_ACT_ERRNO",
+    "architectures": [
+        "SCMP_ARCH_X86_64",
+        "SCMP_ARCH_X86",
+        "SCMP_ARCH_X32",
+        "SCMP_ARCH_AARCH64",
+        "SCMP_ARCH_ARM"
+    ],
+    "syscalls": [
+        {
+          "name": "getrandom",
+          "action": "SCMP_ACT_ALLOW",
+          "args": []
+        },
+        {
+            "name": "access",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "arch_prctl",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "brk",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "chdir",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "chmod",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "clock_getres",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "clock_gettime",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "clock_nanosleep",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "clone",
+            "action": "SCMP_ACT_ALLOW",
+            "args": [
+                {
+                    "index": 0,
+                    "value": 2080505856,
+                    "valueTwo": 0,
+                    "op": "SCMP_CMP_MASKED_EQ"
+                }
+            ]
+        },
+        {
+            "name": "clone3",
+            "action": "SCMP_ACT_ERRNO",
+            "errnoRet": 38
+        },
+        {
+            "name": "close",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "copy_file_range",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "creat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "dup",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "dup2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "dup3",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "execve",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "execveat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "exit",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "exit_group",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "faccessat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+             "name": "faccessat2",
+             "action": "SCMP_ACT_ALLOW",
+             "args": []
+        },
+        {
+            "name": "fadvise64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fadvise64_64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fallocate",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fchdir",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fchmod",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fchmodat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fcntl",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fcntl64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fdatasync",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fork",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fstat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fstat64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fstatat64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fstatfs",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fstatfs64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fsync",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "ftruncate",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "ftruncate64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "futex",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "futimesat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getcpu",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getcwd",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getdents",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getdents64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getegid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getegid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "geteuid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "geteuid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getgid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getgid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getgroups",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getgroups32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getpgid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getpgrp",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getpid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getppid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getpriority",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getresgid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getresgid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getresuid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getresuid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getrlimit",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "get_robust_list",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getrusage",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getsid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "gettid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getuid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "getuid32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "ioctl",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "kill",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "_llseek",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "lseek",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "lstat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "lstat64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "madvise",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mkdir",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mkdirat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mmap",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mmap2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mprotect",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "mremap",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "munmap",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "newfstatat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "open",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "openat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "openat2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pause",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pipe",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pipe2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "prctl",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pread64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "preadv",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "prlimit64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pwrite64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pwritev",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "read",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "readlink",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "readlinkat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "readv",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rename",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "renameat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "renameat2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "restart_syscall",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rmdir",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigaction",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigpending",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigprocmask",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigqueueinfo",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigreturn",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigsuspend",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_sigtimedwait",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "rt_tgsigqueueinfo",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_getaffinity",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_getparam",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_get_priority_max",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_get_priority_min",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_getscheduler",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_rr_get_interval",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sched_yield",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sendfile",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sendfile64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "setgroups",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "setgroups32",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "set_robust_list",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "set_tid_address",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sigaltstack",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "stat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "statx",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "stat64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "statfs",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "statfs64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sync",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sync_file_range",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "syncfs",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "sysinfo",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "tgkill",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timer_create",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timer_delete",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timer_getoverrun",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timer_gettime",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timer_settime",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "times",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "tkill",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "truncate",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "truncate64",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "umask",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "uname",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "unlink",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "unlinkat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "utime",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "utimensat",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "utimes",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "vfork",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "vhangup",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "wait4",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "waitid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "write",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "writev",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "pread",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "setgid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "setuid",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "capget",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "capset",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "fchown",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "gettimeofday",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_wait",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_pwait",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_pwait2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "poll",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "ppoll",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_create",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_create1",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "epoll_ctl",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timerfd_create",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "timerfd_settime",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        },
+        {
+            "name": "eventfd2",
+            "action": "SCMP_ACT_ALLOW",
+            "args": []
+        }
+    ]
+}

services/clsi/test/unit/js/DockerLockManager.test.js

@@ -0,0 +1,259 @@
+import { vi, describe, beforeEach, it } from 'vitest'
+
+import sinon from 'sinon'
+import path from 'node:path'
+const modulePath = path.join(
+  import.meta.dirname,
+  '../../../app/js/DockerLockManager'
+)
+
+describe('DockerLockManager', function () {
+  beforeEach(async function (ctx) {
+    vi.doMock('@overleaf/settings', () => ({
+      default: (ctx.Settings = { clsi: { docker: {} } }),
+    }))
+
+    return (ctx.LockManager = (await import(modulePath)).default)
+  })
+
+  return describe('runWithLock', function () {
+    describe('with a single lock', function () {
+      beforeEach(async function (ctx) {
+        await new Promise((resolve, reject) => {
+          ctx.callback = sinon.stub()
+          return ctx.LockManager.runWithLock(
+            'lock-one',
+            releaseLock =>
+              setTimeout(() => releaseLock(null, 'hello', 'world'), 100),
+
+            (err, ...args) => {
+              ctx.callback(err, ...Array.from(args))
+              return resolve()
+            }
+          )
+        })
+      })
+
+      return it('should call the callback', function (ctx) {
+        return ctx.callback
+          .calledWith(null, 'hello', 'world')
+          .should.equal(true)
+      })
+    })
+
+    describe('with two locks', function () {
+      beforeEach(async function (ctx) {
+        await new Promise((resolve, reject) => {
+          ctx.callback1 = sinon.stub()
+          ctx.callback2 = sinon.stub()
+          ctx.LockManager.runWithLock(
+            'lock-one',
+            releaseLock =>
+              setTimeout(() => releaseLock(null, 'hello', 'world', 'one'), 100),
+
+            (err, ...args) => {
+              return ctx.callback1(err, ...Array.from(args))
+            }
+          )
+          return ctx.LockManager.runWithLock(
+            'lock-two',
+            releaseLock =>
+              setTimeout(() => releaseLock(null, 'hello', 'world', 'two'), 200),
+
+            (err, ...args) => {
+              ctx.callback2(err, ...Array.from(args))
+              return resolve()
+            }
+          )
+        })
+      })
+
+      it('should call the first callback', function (ctx) {
+        return ctx.callback1
+          .calledWith(null, 'hello', 'world', 'one')
+          .should.equal(true)
+      })
+
+      return it('should call the second callback', function (ctx) {
+        return ctx.callback2
+          .calledWith(null, 'hello', 'world', 'two')
+          .should.equal(true)
+      })
+    })
+
+    return describe('with lock contention', function () {
+      describe('where the first lock is released quickly', function () {
+        beforeEach(async function (ctx) {
+          await new Promise((resolve, reject) => {
+            ctx.LockManager.MAX_LOCK_WAIT_TIME = 1000
+            ctx.LockManager.LOCK_TEST_INTERVAL = 100
+            ctx.callback1 = sinon.stub()
+            ctx.callback2 = sinon.stub()
+            ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'one'),
+                  100
+                ),
+
+              (err, ...args) => {
+                return ctx.callback1(err, ...Array.from(args))
+              }
+            )
+            return ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'two'),
+                  200
+                ),
+
+              (err, ...args) => {
+                ctx.callback2(err, ...Array.from(args))
+                return resolve()
+              }
+            )
+          })
+        })
+
+        it('should call the first callback', function (ctx) {
+          return ctx.callback1
+            .calledWith(null, 'hello', 'world', 'one')
+            .should.equal(true)
+        })
+
+        return it('should call the second callback', function (ctx) {
+          return ctx.callback2
+            .calledWith(null, 'hello', 'world', 'two')
+            .should.equal(true)
+        })
+      })
+
+      describe('where the first lock is held longer than the waiting time', function () {
+        beforeEach(async function (ctx) {
+          await new Promise((resolve, reject) => {
+            let doneTwo
+            ctx.LockManager.MAX_LOCK_HOLD_TIME = 10000
+            ctx.LockManager.MAX_LOCK_WAIT_TIME = 1000
+            ctx.LockManager.LOCK_TEST_INTERVAL = 100
+            ctx.callback1 = sinon.stub()
+            ctx.callback2 = sinon.stub()
+            let doneOne = (doneTwo = false)
+            const finish = function (key) {
+              if (key === 1) {
+                doneOne = true
+              }
+              if (key === 2) {
+                doneTwo = true
+              }
+              if (doneOne && doneTwo) {
+                return resolve()
+              }
+            }
+            ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'one'),
+                  1100
+                ),
+
+              (err, ...args) => {
+                ctx.callback1(err, ...Array.from(args))
+                return finish(1)
+              }
+            )
+            return ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'two'),
+                  100
+                ),
+
+              (err, ...args) => {
+                ctx.callback2(err, ...Array.from(args))
+                return finish(2)
+              }
+            )
+          })
+        })
+
+        it('should call the first callback', function (ctx) {
+          return ctx.callback1
+            .calledWith(null, 'hello', 'world', 'one')
+            .should.equal(true)
+        })
+
+        return it('should call the second callback with an error', function (ctx) {
+          const error = sinon.match.instanceOf(Error)
+          return ctx.callback2.calledWith(error).should.equal(true)
+        })
+      })
+
+      return describe('where the first lock is held longer than the max holding time', function () {
+        beforeEach(async function (ctx) {
+          await new Promise((resolve, reject) => {
+            let doneTwo
+            ctx.LockManager.MAX_LOCK_HOLD_TIME = 1000
+            ctx.LockManager.MAX_LOCK_WAIT_TIME = 2000
+            ctx.LockManager.LOCK_TEST_INTERVAL = 100
+            ctx.callback1 = sinon.stub()
+            ctx.callback2 = sinon.stub()
+            let doneOne = (doneTwo = false)
+            const finish = function (key) {
+              if (key === 1) {
+                doneOne = true
+              }
+              if (key === 2) {
+                doneTwo = true
+              }
+              if (doneOne && doneTwo) {
+                return resolve()
+              }
+            }
+            ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'one'),
+                  1500
+                ),
+
+              (err, ...args) => {
+                ctx.callback1(err, ...Array.from(args))
+                return finish(1)
+              }
+            )
+            return ctx.LockManager.runWithLock(
+              'lock',
+              releaseLock =>
+                setTimeout(
+                  () => releaseLock(null, 'hello', 'world', 'two'),
+                  100
+                ),
+
+              (err, ...args) => {
+                ctx.callback2(err, ...Array.from(args))
+                return finish(2)
+              }
+            )
+          })
+        })
+
+        it('should call the first callback', function (ctx) {
+          return ctx.callback1
+            .calledWith(null, 'hello', 'world', 'one')
+            .should.equal(true)
+        })
+
+        return it('should call the second callback', function (ctx) {
+          return ctx.callback2
+            .calledWith(null, 'hello', 'world', 'two')
+            .should.equal(true)
+        })
+      })
+    })
+  })
+})

services/clsi/test/unit/js/DockerRunner.test.js

@@ -5,7 +5,7 @@ import Path from 'node:path'
 
 const modulePath = Path.join(
   import.meta.dirname,
-  '../../../app/js/DockerRunner'
+  '../../../app/js/DockerRunner.mjs'
 )
 
 describe('DockerRunner', () => {

services/filestore/app.js

@@ -66,6 +66,11 @@ if (settings.filestore.stores.template_files) {
     keyBuilder.templateFileKeyMiddleware,
     fileController.insertFile
   )
+  app.delete(
+    '/template/:template_id/v/:version/:format',
+    keyBuilder.templateFileKeyMiddleware,
+    fileController.deleteFile
+  )
 }
 
 app.get(

services/filestore/app/js/FileController.js

@@ -10,6 +10,7 @@ export default {
   getFile,
   getFileHead,
   insertFile,
+  deleteFile,
 }
 
 function getFile(req, res, next) {
@@ -93,6 +94,22 @@ function getFile(req, res, next) {
   })
 }
 
+function deleteFile(req, res, next) {
+  metrics.inc('deleteFile')
+  const { key, bucket } = req
+
+  req.requestLogger.addFields({ key, bucket })
+  req.requestLogger.setMessage('deleting file')
+
+  FileHandler.deleteFile(bucket, key, function (err) {
+    if (err) {
+      next(err)
+    } else {
+      res.sendStatus(204)
+    }
+  })
+}
+
 function getFileHead(req, res, next) {
   const { key, bucket } = req
 

services/filestore/app/js/FileConverter.js

@@ -6,7 +6,7 @@ import Errors from './Errors.js'
 
 const { ConversionError } = Errors
 
-const APPROVED_FORMATS = ['png']
+const APPROVED_FORMATS = ['png', 'jpg']
 const FOURTY_SECONDS = 40 * 1000
 const KILL_SIGNAL = 'SIGTERM'
 

services/filestore/app/js/FileHandler.js

@@ -13,6 +13,7 @@ const { ConversionError, InvalidParametersError } = Errors
 
 const FileHandler = {
   insertFile: callbackify(insertFile),
+  deleteFile: callbackify(deleteFile),
   getFile: callbackify(getFile),
   getRedirectUrl: callbackify(getRedirectUrl),
   getFileSize: callbackify(getFileSize),
@@ -20,6 +21,7 @@ const FileHandler = {
     getFile,
     getRedirectUrl,
     insertFile,
+    deleteFile,
     getFileSize,
   },
 }
@@ -46,6 +48,25 @@ async function insertFile(bucket, key, stream) {
   await PersistorManager.sendStream(bucket, key, stream)
 }
 
+async function deleteFile(bucket, key) {
+  const convertedKey = KeyBuilder.getConvertedFolderKey(key)
+  if (!convertedKey.match(/^[0-9a-f]{24}\/([0-9a-f]{24}|v\/[0-9]+\/[a-z]+)/i)) {
+    throw new InvalidParametersError('key does not match validation regex', {
+      bucket,
+      key,
+      convertedKey,
+    })
+  }
+  const jobs = [PersistorManager.deleteObject(bucket, key)]
+  if (
+    Settings.enableConversions &&
+    bucket === Settings.filestore.stores.template_files
+  ) {
+    jobs.push(PersistorManager.deleteDirectory(bucket, convertedKey))
+  }
+  await Promise.all(jobs)
+}
+
 async function getFile(bucket, key, opts) {
   opts = opts || {}
   if (!opts.format && !opts.style) {
@@ -111,7 +132,9 @@ async function _getConvertedFileAndCache(bucket, key, convertedKey, opts) {
   let convertedFsPath
   try {
     convertedFsPath = await _convertFile(bucket, key, opts)
-    await ImageOptimiser.promises.compressPng(convertedFsPath)
+    if (convertedFsPath.toLowerCase().endsWith(".png")) {
+      await ImageOptimiser.promises.compressPng(convertedFsPath)
+    }
     await PersistorManager.sendFile(bucket, convertedKey, convertedFsPath)
   } catch (err) {
     LocalFileWriter.deleteFile(convertedFsPath, () => {})

services/linked-url-proxy/.nvmrc

@@ -0,0 +1 @@
+24.14.1

services/linked-url-proxy/Dockerfile

@@ -0,0 +1,41 @@
+# This file was auto-generated, do not edit it directly.
+# Instead run bin/update_build_scripts from
+# https://github.com/overleaf/internal/
+
+FROM node:24.14.1 AS base
+
+ENV PATH="/overleaf/node_modules/.bin:$PATH"
+ENV COREPACK_HOME=/opt/corepack
+RUN corepack enable && corepack install -g yarn@4.14.1
+ENV COREPACK_ENABLE_NETWORK=0
+
+WORKDIR /overleaf/services/linked-url-proxy
+
+# Google Cloud Storage needs a writable $HOME/.config for resumable uploads
+# (see https://googleapis.dev/nodejs/storage/latest/File.html#createWriteStream)
+RUN mkdir /home/node/.config && chown node:node /home/node/.config
+
+FROM base AS app
+
+COPY package.json yarn.lock .yarnrc.yml /overleaf/
+COPY libraries/fetch-utils/package.json /overleaf/libraries/fetch-utils/package.json
+COPY libraries/logger/package.json /overleaf/libraries/logger/package.json
+COPY libraries/metrics/package.json /overleaf/libraries/metrics/package.json
+COPY libraries/o-error/package.json /overleaf/libraries/o-error/package.json
+COPY libraries/settings/package.json /overleaf/libraries/settings/package.json
+COPY services/linked-url-proxy/package.json /overleaf/services/linked-url-proxy/package.json
+COPY .yarn/patches/ /overleaf/.yarn/patches/
+
+RUN cd /overleaf && yarn workspaces focus @overleaf/linked-url-proxy overleaf
+
+COPY libraries/fetch-utils/ /overleaf/libraries/fetch-utils/
+COPY libraries/logger/ /overleaf/libraries/logger/
+COPY libraries/metrics/ /overleaf/libraries/metrics/
+COPY libraries/o-error/ /overleaf/libraries/o-error/
+COPY libraries/settings/ /overleaf/libraries/settings/
+COPY services/linked-url-proxy/ /overleaf/services/linked-url-proxy/
+
+FROM app
+USER node
+
+CMD ["node", "--expose-gc", "app.mjs"]

services/linked-url-proxy/LICENSE

@@ -0,0 +1,662 @@
+
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+  A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate.  Many developers of free software are heartened and
+encouraged by the resulting cooperation.  However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+  The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community.  It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server.  Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+  An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals.  This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU Affero General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
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+
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+    written offer, valid for at least three years and valid for as
+    long as you offer spare parts or customer support for that product
+    model, to give anyone who possesses the object code either (1) a
+    copy of the Corresponding Source for all the software in the
+    product that is covered by this License, on a durable physical
+    medium customarily used for software interchange, for a price no
+    more than your reasonable cost of physically performing this
+    conveying of source, or (2) access to copy the
+    Corresponding Source from a network server at no charge.
+
+    c) Convey individual copies of the object code with a copy of the
+    written offer to provide the Corresponding Source.  This
+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
+    with subsection 6b.
+
+    d) Convey the object code by offering access from a designated
+    place (gratis or for a charge), and offer equivalent access to the
+    Corresponding Source in the same way through the same place at no
+    further charge.  You need not require recipients to copy the
+    Corresponding Source along with the object code.  If the place to
+    copy the object code is a network server, the Corresponding Source
+    may be on a different server (operated by you or a third party)
+    that supports equivalent copying facilities, provided you maintain
+    clear directions next to the object code saying where to find the
+    Corresponding Source.  Regardless of what server hosts the
+    Corresponding Source, you remain obligated to ensure that it is
+    available for as long as needed to satisfy these requirements.
+
+    e) Convey the object code using peer-to-peer transmission, provided
+    you inform other peers where the object code and Corresponding
+    Source of the work are being offered to the general public at no
+    charge under subsection 6d.
+
+  A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+  A "User Product" is either (1) a "consumer product", which means any
+tangible personal property which is normally used for personal, family,
+or household purposes, or (2) anything designed or sold for incorporation
+into a dwelling.  In determining whether a product is a consumer product,
+doubtful cases shall be resolved in favor of coverage.  For a particular
+product received by a particular user, "normally used" refers to a
+typical or common use of that class of product, regardless of the status
+of the particular user or of the way in which the particular user
+actually uses, or expects or is expected to use, the product.  A product
+is a consumer product regardless of whether the product has substantial
+commercial, industrial or non-consumer uses, unless such uses represent
+the only significant mode of use of the product.
+
+  "Installation Information" for a User Product means any methods,
+procedures, authorization keys, or other information required to install
+and execute modified versions of a covered work in that User Product from
+a modified version of its Corresponding Source.  The information must
+suffice to ensure that the continued functioning of the modified object
+code is in no case prevented or interfered with solely because
+modification has been made.
+
+  If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information.  But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+  The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or updates
+for a work that has been modified or installed by the recipient, or for
+the User Product in which it has been modified or installed.  Access to a
+network may be denied when the modification itself materially and
+adversely affects the operation of the network or violates the rules and
+protocols for communication across the network.
+
+  Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+  7. Additional Terms.
+
+  "Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+  When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it.  (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.)  You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+  Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders of
+that material) supplement the terms of this License with terms:
+
+    a) Disclaiming warranty or limiting liability differently from the
+    terms of sections 15 and 16 of this License; or
+
+    b) Requiring preservation of specified reasonable legal notices or
+    author attributions in that material or in the Appropriate Legal
+    Notices displayed by works containing it; or
+
+    c) Prohibiting misrepresentation of the origin of that material, or
+    requiring that modified versions of such material be marked in
+    reasonable ways as different from the original version; or
+
+    d) Limiting the use for publicity purposes of names of licensors or
+    authors of the material; or
+
+    e) Declining to grant rights under trademark law for use of some
+    trade names, trademarks, or service marks; or
+
+    f) Requiring indemnification of licensors and authors of that
+    material by anyone who conveys the material (or modified versions of
+    it) with contractual assumptions of liability to the recipient, for
+    any liability that these contractual assumptions directly impose on
+    those licensors and authors.
+
+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+  If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+  Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions;
+the above requirements apply either way.
+
+  8. Termination.
+
+  You may not propagate or modify a covered work except as expressly
+provided under this License.  Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+  However, if you cease all violation of this License, then your
+license from a particular copyright holder is reinstated (a)
+provisionally, unless and until the copyright holder explicitly and
+finally terminates your license, and (b) permanently, if the copyright
+holder fails to notify you of the violation by some reasonable means
+prior to 60 days after the cessation.
+
+  Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+  Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+  An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+  You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+  Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Remote Network Interaction; Use with the GNU General Public License.
+
+  Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software.  This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.

services/linked-url-proxy/Makefile

@@ -0,0 +1,174 @@
+# This file was auto-generated, do not edit it directly.
+# Instead run bin/update_build_scripts from
+# https://github.com/overleaf/internal/
+
+BUILD_NUMBER ?= local
+BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+PROJECT_NAME = linked-url-proxy
+BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
+HERE=$(shell pwd)
+export MONOREPO ?= $(shell cd ../../ && pwd)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
+	$(MONOREPO)/package.json \
+	$(MONOREPO)/package-lock.json \
+	$(MONOREPO)/libraries/fetch-utils/package.json \
+	$(MONOREPO)/libraries/logger/package.json \
+	$(MONOREPO)/libraries/metrics/package.json \
+	$(MONOREPO)/libraries/o-error/package.json \
+	$(MONOREPO)/libraries/overleaf-editor-core/package.json \
+	$(MONOREPO)/libraries/promise-utils/package.json \
+	$(MONOREPO)/libraries/settings/package.json \
+	$(MONOREPO)/libraries/stream-utils/package.json \
+	$(MONOREPO)/services/linked-url-proxy/package.json \
+	$(MONOREPO)/patches/* \
+| sha256sum | cut -d '-' -f1)
+
+DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
+DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
+	BRANCH_NAME=$(BRANCH_NAME) \
+	PROJECT_NAME=$(PROJECT_NAME) \
+	MOCHA_GREP=${MOCHA_GREP} \
+	docker compose ${DOCKER_COMPOSE_FLAGS}
+
+COMPOSE_PROJECT_NAME_TEST_ACCEPTANCE ?= test_acceptance_$(BUILD_DIR_NAME)
+DOCKER_COMPOSE_TEST_ACCEPTANCE = \
+	COMPOSE_PROJECT_NAME=$(COMPOSE_PROJECT_NAME_TEST_ACCEPTANCE) $(DOCKER_COMPOSE)
+
+COMPOSE_PROJECT_NAME_TEST_UNIT ?= test_unit_$(BUILD_DIR_NAME)
+DOCKER_COMPOSE_TEST_UNIT = \
+	COMPOSE_PROJECT_NAME=$(COMPOSE_PROJECT_NAME_TEST_UNIT) $(DOCKER_COMPOSE)
+
+clean:
+	-docker rmi $(IMAGE_CI)
+	-docker rmi $(IMAGE_REPO_FINAL)
+	-$(DOCKER_COMPOSE_TEST_UNIT) down --remove-orphans --rmi local --timeout 0 --volumes
+	-$(DOCKER_COMPOSE_TEST_ACCEPTANCE) down --remove-orphans --rmi local --timeout 0 --volumes
+	-rm -rf reports/
+
+# Run the linting commands in the scope of the monorepo.
+# Eslint and prettier (plus some configs) are on the root.
+RUN_LINTING = docker run --rm -v $(MONOREPO):$(MONOREPO) -w $(HERE) node:24.14.1 npm run --silent
+
+RUN_LINTING_CI = docker run --rm --volume $(MONOREPO)/.editorconfig:/overleaf/.editorconfig --volume $(MONOREPO)/.eslintignore:/overleaf/.eslintignore --volume $(MONOREPO)/.eslintrc:/overleaf/.eslintrc --volume $(MONOREPO)/.prettierignore:/overleaf/.prettierignore --volume $(MONOREPO)/.prettierrc:/overleaf/.prettierrc --volume $(MONOREPO)/tsconfig.backend.json:/overleaf/tsconfig.backend.json --volume $(MONOREPO)/services/linked-url-proxy/reports:/overleaf/services/linked-url-proxy/reports $(IMAGE_CI) npm run --silent
+
+# Same but from the top of the monorepo
+RUN_LINTING_MONOREPO = docker run --rm -v $(MONOREPO):$(MONOREPO) -w $(MONOREPO) node:24.14.1 npm run --silent
+
+SHELLCHECK_OPTS = \
+	--shell=bash \
+	--external-sources
+SHELLCHECK_COLOR := $(if $(CI),--color=never,--color)
+SHELLCHECK_FILES := { git ls-files "*.sh" -z; git grep -Plz "\A\#\!.*bash"; } | sort -zu
+
+shellcheck:
+	@$(SHELLCHECK_FILES) | xargs -0 -r docker run --rm -v $(HERE):/mnt -w /mnt \
+		koalaman/shellcheck:stable $(SHELLCHECK_OPTS) $(SHELLCHECK_COLOR)
+
+shellcheck_fix:
+	@$(SHELLCHECK_FILES) | while IFS= read -r -d '' file; do \
+		diff=$$(docker run --rm -v $(HERE):/mnt -w /mnt koalaman/shellcheck:stable $(SHELLCHECK_OPTS) --format=diff "$$file" 2>/dev/null); \
+		if [ -n "$$diff" ] && ! echo "$$diff" | patch -p1 >/dev/null 2>&1; then echo "\033[31m$$file\033[0m"; \
+		elif [ -n "$$diff" ]; then echo "$$file"; \
+		else echo "\033[2m$$file\033[0m"; fi \
+	done
+
+format:
+	$(RUN_LINTING) format
+
+format_ci:
+	$(RUN_LINTING_CI) format
+
+format_fix:
+	$(RUN_LINTING) format:fix
+
+lint:
+	$(RUN_LINTING) lint
+
+lint_ci:
+	-$(RUN_LINTING_CI) lint -- --format json --output-file reports/eslint.json
+	sed -i 's_"filePath":"/overleaf_"filePath":"$(MONOREPO)_g' reports/eslint.json
+
+lint_fix:
+	$(RUN_LINTING) lint:fix
+
+typecheck:
+	$(RUN_LINTING) types:check
+
+typecheck_ci:
+	$(RUN_LINTING_CI) types:check
+
+test: format lint typecheck shellcheck test_unit test_acceptance
+
+test_unit:
+ifneq (,$(wildcard test/unit))
+	$(DOCKER_COMPOSE_TEST_UNIT) run --rm test_unit
+endif
+
+test_clean: test_unit_clean
+test_unit_clean:
+ifneq (,$(wildcard test/unit))
+	$(DOCKER_COMPOSE_TEST_UNIT) down -v -t 0
+endif
+
+test_acceptance: test_acceptance_clean test_acceptance_pre_run test_acceptance_run
+	$(MAKE) test_acceptance_clean
+
+test_acceptance_debug: test_acceptance_clean test_acceptance_pre_run test_acceptance_run_debug
+	$(MAKE) test_acceptance_clean
+
+test_acceptance_run:
+ifneq (,$(wildcard test/acceptance))
+	$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance
+endif
+
+test_acceptance_run_debug:
+ifneq (,$(wildcard test/acceptance))
+	$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run -p 127.0.0.9:19999:19999 --rm test_acceptance npm run test:acceptance -- --inspect=0.0.0.0:19999 --inspect-brk
+endif
+
+test_clean: test_acceptance_clean
+test_acceptance_clean:
+	$(DOCKER_COMPOSE_TEST_ACCEPTANCE) down -v -t 0
+
+test_acceptance_pre_run:
+ifneq (,$(wildcard test/acceptance/js/scripts/pre-run))
+	$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance test/acceptance/js/scripts/pre-run
+endif
+
+benchmarks:
+	$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance npm run benchmarks
+
+build:
+	docker build \
+		--pull \
+		--build-arg BUILDKIT_INLINE_CACHE=1 \
+		--tag $(IMAGE_CI) \
+		--tag $(IMAGE_CACHE) \
+		--tag $(IMAGE_REPO_FINAL) \
+		--cache-from $(IMAGE_CACHE) \
+		--file Dockerfile \
+		../..
+
+tar:
+	$(DOCKER_COMPOSE) up tar
+
+push:
+	docker push $(IMAGE_REPO_FINAL)
+
+push_branch:
+	docker push $(IMAGE_CACHE)
+
+.PHONY: clean \
+	format format_fix \
+	lint lint_fix \
+	build_types typecheck \
+	lint_ci format_ci typecheck_ci \
+	shellcheck shellcheck_fix \
+	test test_clean test_unit test_unit_clean \
+	test_acceptance test_acceptance_debug test_acceptance_pre_run \
+	test_acceptance_run test_acceptance_run_debug test_acceptance_clean \
+	benchmarks \
+	build tar publish \

services/linked-url-proxy/README.md

@@ -0,0 +1,10 @@
+overleaf/linked-url-proxy
+===============
+
+An API for providing linked url proxy
+
+License
+=======
+The code in this repository is released under the GNU AFFERO GENERAL PUBLIC LICENSE, version 3.
+
+Copyright (c) yu-i-i (https://github.com/yu-i-i/overleaf-cep), 2025.

services/linked-url-proxy/app.mjs

@@ -0,0 +1,39 @@
+import '@overleaf/metrics/initialize.js'
+
+import express from 'express'
+import Settings from '@overleaf/settings'
+import logger from '@overleaf/logger'
+import Metrics from '@overleaf/metrics'
+import LinkedUrlProxyController from './app/js/LinkedUrlProxyController.mjs'
+
+Metrics.open_sockets.monitor(true)
+Metrics.memory.monitor(logger)
+Metrics.leaked_sockets.monitor(logger)
+
+const app = express()
+
+Metrics.injectMetricsRoute(app)
+app.use(Metrics.http.monitor(logger))
+
+app.get('/', LinkedUrlProxyController.proxy)
+app.get('/status', (req, res) => res.send({ status: 'linked-url-proxy is up' }))
+
+const host = Settings.internal.linkedUrlProxy.host
+const port = Settings.internal.linkedUrlProxy.port
+
+logger.debug('Listening at', { host, port })
+
+const server = app.listen(port, host, function (error) {
+  if (error) {
+    throw error
+  }
+  logger.info({ host, port }, 'linked-url-proxy HTTP server starting up')
+})
+
+process.on('SIGTERM', () => {
+  server.close(() => {
+    logger.info({ host, port }, 'linked-url-proxy HTTP server closed')
+    Metrics.close()
+  })
+})
+

services/linked-url-proxy/app/js/LinkedUrlProxyController.mjs

@@ -0,0 +1,201 @@
+import dns from 'dns/promises'
+import { sanitizeUrl } from 'strict-url-sanitise'
+import normalizeUrlPath from 'als-normalize-urlpath'
+import ipaddr from 'ipaddr.js'
+import { URL } from 'node:url'
+import { Transform } from 'node:stream'
+import logger from '@overleaf/logger'
+import Settings from '@overleaf/settings'
+import { fetchStreamWithResponse, RequestFailedError } from '@overleaf/fetch-utils'
+import { Agent } from 'undici'
+
+function isAllowedResource(targetUrl) {
+  if (!Settings.allowedResources) return false
+  return Settings.allowedResources.test(targetUrl)
+}
+
+function isBlockedIp(ipStr, targetUrl) {
+  const addr = ipaddr.parse(ipStr)
+  if (addr.kind() === 'ipv6' && addr.isIPv4MappedAddress()) {
+    return isBlockedIp(addr.toIPv4Address().toString(), targetUrl)
+  }
+
+  const range = addr.range()
+  if (!['unicast'].includes(addr.range())) {
+    return true
+  }
+
+  for (const blocked of Settings.blockedNetworks) {
+    try {
+      const net = ipaddr.parseCIDR(blocked)
+      if (addr.match(net)) return true
+    } catch (e) {
+      logger.error({ blocked, error: e }, 'Invalid blockedNetworks entry')
+      const err = new Error(`Invalid blockedNetworks entry: ${blocked}`)
+      err.info = { status: 500 }
+      throw err
+    }
+  }
+  return false
+}
+
+async function checkUrlAccess(hostname, targetUrl) {
+  const records = await dns.lookup(hostname, { all: true }).catch(() => [])
+  if (!records.length) {
+    const err = new Error(`DNS lookup failed for ${hostname}`)
+    err.info = { status: 421 }
+    throw err
+  }
+// Permit explicitly allowed resources without checking blocked IPs
+  if (isAllowedResource(targetUrl)) return records[0].address
+  for (const { address } of records) {
+    if (isBlockedIp(address, targetUrl)) {
+      const err = new Error(`Blocked IP address: ${address}`)
+      err.info = { status: 403 }
+      throw err
+    }
+  }
+  return records[0].address
+}
+
+async function validateAndFetch(rawUrl, redirectCount = 0) {
+  if (redirectCount > Settings.maxRedirects) {
+    const err = new Error('Too many redirects')
+    err.info = { status: 421 }
+    throw err
+  }
+
+  const sanitizedUrl = sanitizeUrl(rawUrl)
+  if (!sanitizedUrl) {
+    const err = new Error(`Invalid or unsafe URL: ${rawUrl}`)
+    err.info = { status: 400 }
+    throw err
+  }
+
+  const url = new URL(sanitizedUrl)
+
+  if (!['http:', 'https:'].includes(url.protocol)) {
+    const err = new Error(`${url.protocol} protocol is not allowed`)
+    err.info = { status: 400 }
+    throw err
+  }
+
+  const normalizedPath = normalizeUrlPath(url.pathname).pathname
+
+  if (!normalizedPath) {
+    const err = new Error(`Invalid or unsafe URL path: ${url.pathname}`)
+    err.info = { status: 400 }
+    throw err
+  }
+
+  const normalizedUrl = url.toString()
+
+  // check DNS and allowed resources
+  const validatedIp = await checkUrlAccess(url.hostname, normalizedUrl)
+
+  // pin fetch to validated IP to prevent DNS rebinding
+  const agent = new Agent({
+    connect: {
+      lookup(hostname, opts, cb) {
+        cb(null, validatedIp, 4)
+      }
+    }
+  })
+
+  const opts = {
+    redirect: 'manual',
+    timeout: Settings.fetchTimeoutMs,
+    headers: Settings.userAgentHeader,
+  }
+
+  try {
+    const { stream, response } = await fetchStreamWithResponse(normalizedUrl, { ...opts, dispatcher: agent })
+
+    const contentLengthHeader = response.headers.get('content-length')
+    if (contentLengthHeader) {
+      const n = parseInt(contentLengthHeader, 10)
+      if (!Number.isNaN(n) && n > Settings.maxUploadSize) {
+        const err = new Error('file too large')
+	err.info = { status: 413 }
+        try { stream.destroy() } catch (_) {}
+        throw err
+      }
+    }
+
+    return {
+      stream,
+      response,
+      headers: Object.fromEntries(response.headers.entries()),
+    }
+  } catch (err) {
+    if (err instanceof RequestFailedError) {
+      const status = err.info.status
+
+      // Handle redirects
+      if (status >= 300 && status < 400) {
+        const location = err.response.headers.get('Location')
+        if (location) {
+          const nextUrl = new URL(location, normalizedUrl).toString()
+          return validateAndFetch(nextUrl, redirectCount + 1)
+        } else {
+          const e = new Error('Redirect response missing Location header')
+	  e.info = { status: 421 }
+          throw e
+        }
+      }
+      throw err
+    }
+    if (!err?.info?.status) {
+      if(err.type === "request-timeout") {
+        err.info = { status: 408 }
+      } else err.info = { status: 422 }
+    }
+    throw err
+  }
+}
+
+async function proxy(req, res) {
+  try {
+    const u = new URL(req.url, `http://${req.headers.host}`)
+    const targetUrl = u.searchParams.get('url')
+    if (!targetUrl) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' })
+      res.end('Missing ?url parameter')
+      return
+    }
+
+    const { stream: upstreamStream, response, headers } = await validateAndFetch(targetUrl)
+
+    res.statusCode = response.status || 200
+    res.setHeader('Content-Type', headers['content-type'] || 'application/octet-stream')
+    res.setHeader('Cache-Control', 'no-store')
+
+    function onError(err) {
+      logger.info({ err, url: req.url }, 'linked-url-proxy request failed')
+      try { upstreamStream.destroy() } catch (_) {}
+      if (!res.headersSent) {
+	let body = `Error: ${err?.message ?? String(err)}`
+        res.writeHead(err?.info?.status || 503, { 'Content-Type': 'text/plain' })
+        res.end(body)
+      } else {
+        try { res.destroy() } catch (_) {}
+      }
+    }
+
+    upstreamStream.on('error', onError)
+    upstreamStream.pipe(res)
+
+  } catch (err) {
+    const status = err.info?.status || 500
+    logger.info({ linkedUrl: err.message, status, url: req.url }, 'linked-url-proxy request failed')
+    let body = `Error: ${err.message || String(err)}`
+    try {
+      res.writeHead(status, { 'Content-Type': 'text/plain' })
+      res.end(body)
+    } catch {
+      try { res.end() } catch {}
+    }
+  }
+}
+
+export default { proxy }

services/linked-url-proxy/buildscript.txt

@@ -0,0 +1,6 @@
+linked-url-proxy
+--env-add=
+--env-pass-through=
+--esmock-loader=False
+--node-version=24.14.1
+--public-repo=False

services/linked-url-proxy/config/settings.defaults.cjs

@@ -0,0 +1,27 @@
+const blockedNetworks = (process.env.OVERLEAF_LINKED_URL_BLOCKED_NETWORKS || '')
+  .split(/[,\s]+/)
+  .filter(Boolean)
+  .map(cidr => cidr.trim())
+
+const allowedResources = process.env.OVERLEAF_LINKED_URL_ALLOWED_RESOURCES
+  ? new RegExp(process.env.OVERLEAF_LINKED_URL_ALLOWED_RESOURCES)
+  : null
+
+module.exports = {
+  maxRedirects: 5,
+  fetchTimeoutMs: 30000,
+  blockedNetworks,
+  allowedResources,
+  userAgentHeader: {
+     'User-Agent': 'Overleaf Extended CE - LinkedURLProxy (https://github.com/yu-i-i/overleaf-cep)'
+  },
+  maxUploadSize: process.env.MAX_UPLOAD_SIZE
+    ? parseInt(process.env.MAX_UPLOAD_SIZE, 10) * 1024 * 1024
+    : 50 * 1024 * 1024, // 50 MB
+  internal: {
+    linkedUrlProxy: {
+      port: 3066,
+      host: process.env.LINKED_URL_PROXY_HOST || '127.0.0.1',
+    },
+  },
+}

services/linked-url-proxy/docker-compose.ci.yml

@@ -0,0 +1,32 @@
+# This file was auto-generated, do not edit it directly.
+# Instead run bin/update_build_scripts from
+# https://github.com/overleaf/internal/
+
+services:
+  test_unit:
+    image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
+    user: node
+    command: npm run test:unit:_run
+    environment:
+      NODE_ENV: test
+      NODE_OPTIONS: "--unhandled-rejections=strict"
+
+  test_acceptance:
+    build: .
+    image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
+    environment:
+      ELASTIC_SEARCH_DSN: es:9200
+      POSTGRES_HOST: postgres
+      MOCHA_GREP: ${MOCHA_GREP}
+      NODE_ENV: test
+      NODE_OPTIONS: "--unhandled-rejections=strict"
+    user: node
+    command: npm run test:acceptance
+
+  tar:
+    build: .
+    image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
+    volumes:
+      - ./:/tmp/build/
+    command: tar -czf /tmp/build/build.tar.gz --exclude=build.tar.gz --exclude-vcs .
+    user: root

services/linked-url-proxy/docker-compose.yml

@@ -0,0 +1,36 @@
+# This file was auto-generated, do not edit it directly.
+# Instead run bin/update_build_scripts from
+# https://github.com/overleaf/internal/
+
+services:
+  test_unit:
+    image: node:24.14.1
+    volumes:
+      - .:/overleaf/services/linked-url-proxy
+      - ../../node_modules:/overleaf/node_modules
+      - ../../libraries:/overleaf/libraries
+    working_dir: /overleaf/services/linked-url-proxy
+    environment:
+      MOCHA_GREP: ${MOCHA_GREP}
+      LOG_LEVEL: ${LOG_LEVEL:-}
+      NODE_ENV: test
+      NODE_OPTIONS: "--unhandled-rejections=strict"
+    command: npm run --silent test:unit
+    user: node
+
+  test_acceptance:
+    image: node:24.14.1
+    volumes:
+      - .:/overleaf/services/linked-url-proxy
+      - ../../node_modules:/overleaf/node_modules
+      - ../../libraries:/overleaf/libraries
+    working_dir: /overleaf/services/linked-url-proxy
+    environment:
+      ELASTIC_SEARCH_DSN: es:9200
+      POSTGRES_HOST: postgres
+      MOCHA_GREP: ${MOCHA_GREP}
+      LOG_LEVEL: ${LOG_LEVEL:-}
+      NODE_ENV: test
+      NODE_OPTIONS: "--unhandled-rejections=strict"
+    user: node
+    command: npm run --silent test:acceptance

services/linked-url-proxy/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@overleaf/linked-url-proxy",
+  "description": "An API for providing linked url proxy",
+  "private": true,
+  "main": "app.mjs",
+  "scripts": {
+    "start": "node app.mjs",
+    "nodemon": "node --watch app.mjs"
+  },
+  "version": "0.1.1",
+  "dependencies": {
+    "@overleaf/settings": "workspace:*",
+    "@overleaf/logger": "workspace:*",
+    "@overleaf/metrics": "workspace:*",
+    "async": "^3.2.5",
+    "express": "^4.22.1",
+    "ipaddr.js": "^2.1.0",
+    "als-normalize-urlpath": "^2.3.0",
+    "strict-url-sanitise": "^0.0.1",
+    "undici": "^7.22.0"
+  }
+}

services/linked-url-proxy/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "extends": "../../tsconfig.backend.json",
+  "include": [
+    "app.mjs",
+    "app.ts",
+    "app/js/**/*",
+    "benchmarks/**/*",
+    "config/**/*",
+    "scripts/**/*",
+    "test/**/*",
+    "types"
+  ]
+}

services/web/app/src/Features/Authentication/AuthenticationController.mjs

@@ -109,7 +109,8 @@ const AuthenticationController = {
       analyticsId: user.analyticsId || user._id,
       alphaProgram: user.alphaProgram || undefined, // only store if set
       betaProgram: user.betaProgram || undefined, // only store if set
-      labsProgram: user.labsProgram, // always store, we could revert about 1 week after deploying this change.
+      labsProgram: user.labsProgram || undefined, // only store if set
+      externalAuth: user.externalAuth || false,
     }
     if (user.isAdmin) {
       lightUser.isAdmin = true

services/web/app/src/Features/Collaborators/CollaboratorsController.mjs

@@ -157,6 +157,7 @@ const transferOwnershipSchema = z.object({
   }),
   body: z.object({
     user_id: zz.objectId(),
+    skipEmails: z.boolean().optional(),
   }),
 })
 
@@ -173,6 +174,7 @@ async function transferOwnership(req, res, next) {
         allowTransferToNonCollaborators: hasAdminAccess(sessionUser),
         sessionUserId: new ObjectId(sessionUser._id),
         ipAddress: req.ip,
+        skipEmails: body.skipEmails
       }
     )
     res.sendStatus(204)

services/web/app/src/Features/Collaborators/CollaboratorsInviteController.mjs

@@ -11,6 +11,7 @@ import EmailHelper from '../Helpers/EmailHelper.mjs'
 import EditorRealTimeController from '../Editor/EditorRealTimeController.mjs'
 import AnalyticsManager from '../Analytics/AnalyticsManager.mjs'
 import SessionManager from '../Authentication/SessionManager.mjs'
+import Features from '../../infrastructure/Features.mjs'
 import { RateLimiter } from '../../infrastructure/RateLimiter.mjs'
 import { z, zz, parseReq } from '../../infrastructure/Validation.mjs'
 import { expressify } from '@overleaf/promise-utils'
@@ -335,7 +336,11 @@ async function viewInvite(req, res) {
       user_first_name: owner.first_name,
     }
     AuthenticationController.setRedirectInSession(req)
-    return res.redirect('/register')
+    if (Features.hasFeature('registration-page')) {
+      return res.redirect('/register')
+    } else {
+      return res.redirect('/login')
+    }
   }
 
   // cleanup if set for register page
@@ -375,7 +380,11 @@ async function viewSharingLink(req, res) {
   const currentUser = SessionManager.getSessionUser(req.session)
   if (!currentUser) {
     AuthenticationController.setRedirectInSession(req)
-    return res.redirect('/register')
+    if (Features.hasFeature('registration-page')) {
+      return res.redirect('/register')
+    } else {
+      return res.redirect('/login')
+    }
   }
 
   // cleanup if set for register page

services/web/app/src/Features/Compile/ClsiManager.mjs

@@ -1063,7 +1063,7 @@ async function _getContentFromMongo(projectId) {
 
 function _finaliseRequest(projectId, options, project, docs, files) {
   const resources = []
-  let flags
+  let flags = []
   let rootResourcePath = options.rootResourcePath
   let rootResourcePathOverride = null
   let hasMainFile = false
@@ -1132,6 +1132,10 @@ function _finaliseRequest(projectId, options, project, docs, files) {
     flags = ['-file-line-error']
   }
 
+  if (process.env.TEX_COMPILER_EXTRA_FLAGS) {
+    flags.push(...process.env.TEX_COMPILER_EXTRA_FLAGS.split(/\s+/).filter(Boolean))
+  }
+
   return {
     compile: {
       options: {

services/web/app/src/Features/Email/EmailSender.mjs

@@ -76,6 +76,7 @@ function getClient() {
 }
 
 async function sendEmail(options, emailType) {
+console.log("EMAIL_SETTINGS  = ", EMAIL_SETTINGS)
   try {
     const canContinue = await checkCanSendEmail(options)
     metrics.inc('email_status', {

services/web/app/src/Features/LinkedFiles/LinkedFilesController.mjs

@@ -185,7 +185,29 @@ export default LinkedFilesController = {
   refreshLinkedFile: expressify(refreshLinkedFile),
 
   handleError(error, req, res, next) {
-    if (error instanceof AccessDeniedError) {
+    if (
+      error instanceof AccessDeniedError &&
+      error.message === 'Zotero account not linked'
+    ) {
+      res.status(400)
+      plainTextResponse(
+        res,
+        res.locals.translate(
+          'zotero_reference_loading_error_not_linked'
+        )
+      )
+    } else if (
+      error instanceof AccessDeniedError &&
+      error.message === 'Zotero access denied'
+    ) {
+      res.status(403)
+      plainTextResponse(
+        res,
+        res.locals.translate(
+          'zotero_reference_loading_error_forbidden'
+        )
+      )
+    } else if (error instanceof AccessDeniedError) {
       res.status(403)
       plainTextResponse(
         res,
@@ -227,8 +249,7 @@ export default LinkedFilesController = {
       } else {
         plainTextResponse(
           res,
-          `Your URL could not be reached (${
+          `Your URL could not be reached (${error.info?.status || error.cause?.info?.status
-            error.info?.status || error.cause?.info?.status
           } status code). Please check it and try again.`
         )
       }

services/web/app/src/Features/PasswordReset/PasswordResetHandler.mjs

@@ -72,6 +72,7 @@ async function getUserForPasswordResetToken(token) {
     'overleaf.id': 1,
     email: 1,
     must_reconfirm: 1,
+    hashedPassword: 1,
   })
 
   await assertUserPermissions(user, ['change-password'])

services/web/app/src/Features/Project/ProjectController.mjs

@@ -565,6 +565,7 @@ const _ProjectController = {
           brandVariationId: 1,
           overleaf: 1,
           tokens: 1,
+          imageName: 1,
         }),
         userIsMemberOfGroupSubscription: sessionUser
           ? (async () =>
@@ -657,6 +658,8 @@ const _ProjectController = {
         user
       )
 
+      if (!project.imageName) await EditorController.promises.setImageName(projectId, Settings.currentImageName)
+
       const privilegeLevel =
         await AuthorizationManager.promises.getPrivilegeLevelForProject(
           userId,
@@ -784,7 +787,7 @@ const _ProjectController = {
       }
 
       const isAdminOrTemplateOwner =
-        hasAdminAccess(user) || Settings.templates?.user_id === userId
+        hasAdminAccess(user) || Settings.templates?.nonAdminCanManage || Settings.templates?.user_id === userId
       const showTemplatesServerPro =
         Features.hasFeature('templates-server-pro') && isAdminOrTemplateOwner
 

services/web/app/src/Features/Project/ProjectDeleter.mjs

@@ -79,7 +79,7 @@ async function unmarkAsDeletedByExternalSource(projectId) {
   ).exec()
 }
 
-async function deleteUsersProjects(userId) {
+async function deleteUsersProjects(userId, options = {}) {
   const projects = await Project.find({ owner_ref: userId }).exec()
   logger.info(
     { userId, projectCount: projects.length },
@@ -87,6 +87,7 @@ async function deleteUsersProjects(userId) {
   )
   await promiseMapWithLimit(5, projects, project =>
     deleteProject(project._id, {
+      ...options,
       deletedReason: DeletedProjectReasons.ACCOUNT_DELETION,
     })
   )
@@ -235,6 +236,7 @@ async function deleteProject(projectId, options = {}) {
         })
     }
 
+
     const deleterData = {
       deletedAt: new Date(),
       deleterId:
@@ -277,6 +279,7 @@ async function deleteProject(projectId, options = {}) {
       { projectId, userId: project.owner_ref },
       'successfully deleted project'
     )
+    return { deletedAt: deleterData.deletedAt, deleterId: deleterData.deleterId }
   } catch (err) {
     logger.warn({ err }, 'problem deleting project')
     throw err
@@ -306,7 +309,7 @@ async function undeleteProject(projectId, options = {}) {
   // if we're undeleting, we want the document to show up
   restored.name = await ProjectDetailsHandler.promises.generateUniqueName(
     deletedProject.deleterData.deletedProjectOwnerId,
-    restored.name + ' (Restored)'
+    restored.name + (options.suffix ?? ' (Restored)')
   )
   restored.archived = undefined
 
@@ -330,6 +333,7 @@ async function undeleteProject(projectId, options = {}) {
 
   await db.projects.insertOne(restored)
   await DeletedProject.deleteOne({ _id: deletedProject._id }).exec()
+  return restored
 }
 
 async function expireDeletedProject(projectId) {

services/web/app/src/Features/Project/ProjectDuplicator.mjs

@@ -117,6 +117,7 @@ async function duplicate(
     )
     attributes.overleaf = { history: { id: newHistoryId } }
   }
+  attributes.imageName = originalProject.imageName
 
   // Now create the new project, cleaning it up on failure if necessary
   const newProject = await ProjectCreationHandler.promises.createBlankProject(

services/web/app/src/Features/Project/ProjectEditorHandler.mjs

@@ -3,7 +3,7 @@ import Path from 'node:path'
 let ProjectEditorHandler
 
 export default ProjectEditorHandler = {
-  trackChangesAvailable: false,
+  trackChangesAvailable: true,
 
   buildProjectModelView(
     project,
@@ -26,7 +26,7 @@ export default ProjectEditorHandler = {
       deletedByExternalDataSource: project.deletedByExternalDataSource || false,
       imageName:
         project.imageName != null
-          ? Path.basename(project.imageName)
+          ? project.imageName
           : undefined,
     }
 

services/web/app/src/Features/Project/ProjectOptionsHandler.mjs

@@ -39,14 +39,13 @@ const ProjectOptionsHandler = {
     if (!imageName || !Array.isArray(settings.allowedImageNames)) {
       return undefined
     }
-    imageName = imageName.toLowerCase()
     const isAllowed = settings.allowedImageNames.find(
       allowed => imageName === allowed.imageName
     )
     if (!isAllowed) {
       throw new OError('invalid imageName', { imageName })
     }
-    return settings.imageRoot + '/' + imageName
+    return imageName
   },
 
   async setImageName(projectId, imageName) {

services/web/app/src/Features/ServerAdmin/AdminController.mjs

@@ -23,15 +23,15 @@ const AdminController = {
     let url
     const openSockets = {}
     for (url in http.globalAgent.sockets) {
-      openSockets[`http://${url}`] = http.globalAgent.sockets[url].map(
+      openSockets[`http://${url}`] = http.globalAgent.sockets[url].map(socket => {
-        socket => socket._httpMessage.path
+        return socket._httpMessage?.path || '(unknown request)'
-      )
+      })
     }
 
     for (url in https.globalAgent.sockets) {
-      openSockets[`https://${url}`] = https.globalAgent.sockets[url].map(
+      openSockets[`https://${url}`] = https.globalAgent.sockets[url].map(socket => {
-        socket => socket._httpMessage.path
+        return socket._httpMessage?.path || '(unknown request)'
-      )
+      })
     }
 
     const systemMessages =

services/web/app/src/Features/Templates/TemplatesController.mjs

@@ -7,21 +7,22 @@ import { expressify } from '@overleaf/promise-utils'
 
 const TemplatesController = {
   async getV1Template(req, res) {
-    const templateVersionId = req.params.Template_version_id
+    const templateId = req.params.Template_version_id
-    const templateId = req.query.id
+    const templateVersionId = req.query.version
-    if (!/^[0-9]+$/.test(templateVersionId) || !/^[0-9]+$/.test(templateId)) {
+//    if (!/^[0-9]+$/.test(templateVersionId) || !/^[0-9]+$/.test(templateId)) {
-      logger.err(
+//      logger.err(
-        { templateVersionId, templateId },
+//        { templateVersionId, templateId },
-        'invalid template id or version'
+//        'invalid template id or version'
-      )
+//      )
-      return res.sendStatus(400)
+//      return res.sendStatus(400)
-    }
+//    }
     const data = {
       templateVersionId,
       templateId,
-      name: req.query.templateName,
+      name: req.query.name,
-      compiler: ProjectHelper.compilerFromV1Engine(req.query.latexEngine),
+      compiler: req.query.compiler,
-      imageName: req.query.texImage,
+      language: req.query.language,
+      imageName: req.query.imageName,
       mainFile: req.query.mainFile,
       brandVariationId: req.query.brandVariationId,
     }
@@ -36,6 +37,7 @@ const TemplatesController = {
 
   async createProjectFromV1Template(req, res) {
     const userId = SessionManager.getLoggedInUserId(req.session)
+
     const project = await TemplatesManager.promises.createProjectFromV1Template(
       req.body.brandVariationId,
       req.body.compiler,
@@ -44,7 +46,8 @@ const TemplatesController = {
       req.body.templateName,
       req.body.templateVersionId,
       userId,
-      req.body.imageName
+      req.body.imageName,
+      req.body.language
     )
     delete req.session.templateData
     if (!project) {

services/web/app/src/Features/Templates/TemplatesManager.mjs

@@ -20,6 +20,7 @@ import OError from '@overleaf/o-error'
 
 const { promises: ProjectRootDocManager } = ProjectRootDocManagerModule
 const { promises: ProjectOptionsHandler } = ProjectOptionsHandlerModule
+const TIMEOUT = 30000  // 30 sec
 
 const TemplatesManager = {
   async createProjectFromV1Template(
@@ -30,33 +31,33 @@ const TemplatesManager = {
     templateName,
     templateVersionId,
     userId,
-    imageName
+    imageName,
+    spellCheckLanguage
   ) {
     compiler = ProjectOptionsHandler.normalizeCompiler(
       compiler || settings.defaultLatexCompiler
     )
-    imageName = ProjectOptionsHandler.normalizeImageName(
+    try {
-      imageName || 'wl_texlive:2018.1'
+       imageName = ProjectOptionsHandler.normalizeImageName(imageName)
-    )
+    } catch {
+      logger.warn( { templateId, imageName }, 'cannot use the image required by the template, using the default image')
+      imageName = null
+    }
 
-    const zipUrl = `${settings.apis.v1.url}/api/v1/overleaf/templates/${templateVersionId}`
+    const zipUrl = `${settings.apis.filestore.url}/template/${templateId}/v/${templateVersionId}/zip`
     const zipReq = await fetchStreamWithResponse(zipUrl, {
-      basicAuth: {
+      signal: AbortSignal.timeout(TIMEOUT),
-        user: settings.apis.v1.user,
-        password: settings.apis.v1.pass,
-      },
-      signal: AbortSignal.timeout(settings.apis.v1.timeout),
     })
 
     const projectName = ProjectDetailsHandler.fixProjectName(templateName)
     const dumpPath = `${settings.path.dumpFolder}/${crypto.randomUUID()}_templates-manager`
     const writeStream = fs.createWriteStream(dumpPath)
+
     try {
       const attributes = {
-        fromV1TemplateId: templateId,
-        fromV1TemplateVersionId: templateVersionId,
         compiler,
         imageName,
+        spellCheckLanguage
       }
       if (brandVariationId) attributes.brandVariationId = brandVariationId
 

services/web/app/src/Features/Uploads/ArchiveManager.mjs

@@ -15,7 +15,7 @@ import {
 } from './ArchiveErrors.mjs'
 import FileTypeManager from './FileTypeManager.mjs'
 
-const MAX_UNCOMPRESSED_BYTES = 1024 * 1024 * 300 // 300MB
+const MAX_UNCOMPRESSED_BYTES = 6 *  Settings.maxUploadSize // 300MB (by default)
 
 /**
  * Check if a zip entry's file path is safe and return the destination path.

services/web/app/src/Features/User/UserController.mjs

@@ -579,4 +579,5 @@ export default {
   expireDeletedUsersAfterDuration: expressify(expireDeletedUsersAfterDuration),
   ensureAffiliationMiddleware: expressify(ensureAffiliationMiddleware),
   ensureAffiliation,
+  doLogout,
 }

services/web/app/src/Features/User/UserDeleter.mjs

@@ -63,7 +63,7 @@ async function deleteUser(userId, options) {
     logger.info({ userId }, 'creating deleted user record')
     await _createDeletedUser(user, options)
     logger.info({ userId }, 'deleting user projects')
-    await ProjectDeleter.promises.deleteUsersProjects(user._id)
+    await ProjectDeleter.promises.deleteUsersProjects(user._id, options)
     if (options.skipEmail) {
       logger.info({ userId }, 'skipping sending deletion email to user')
     } else {

services/web/app/src/Features/User/UserPagesController.mjs

@@ -52,10 +52,8 @@ async function settingsPage(req, res) {
   const reconfirmedViaSAML = _.get(req.session, ['saml', 'reconfirmed'])
   delete req.session.saml
   let shouldAllowEditingDetails = true
-  if (Settings.ldap && Settings.ldap.updateUserDetailsOnLogin) {
+  const externalAuth = req.user.externalAuth
-    shouldAllowEditingDetails = false
+  if (externalAuth && Settings[externalAuth].updateUserDetailsOnLogin) {
-  }
-  if (Settings.saml && Settings.saml.updateUserDetailsOnLogin) {
     shouldAllowEditingDetails = false
   }
   const oauthProviders = Settings.oauthProviders || {}

services/web/app/src/Features/User/UserRegistrationHandler.mjs

@@ -15,10 +15,12 @@ import OError from '@overleaf/o-error'
 const UserRegistrationHandler = {
   _registrationRequestIsValid(body) {
     const invalidEmail = AuthenticationManager.validateEmail(body.email || '')
+    if (invalidEmail) throw new OError('InvalidEmailError')
     const invalidPassword = AuthenticationManager.validatePassword(
       body.password || '',
       body.email
     )
+    if (invalidPassword) throw new OError('InvalidPasswordError')
     return !(invalidEmail || invalidPassword)
   },
 

services/web/app/src/infrastructure/ExpressLocals.mjs

@@ -116,9 +116,9 @@ export default async function (webRouter, privateApiRouter, publicApiRouter) {
 
   webRouter.use(function (req, res, next) {
     req.externalAuthenticationSystemUsed =
-      Features.externalAuthenticationSystemUsed
+      () => !!req?.user?.externalAuth
     res.locals.externalAuthenticationSystemUsed =
-      Features.externalAuthenticationSystemUsed
+      () => !!req?.user?.externalAuth
     req.hasFeature = res.locals.hasFeature = Features.hasFeature
     next()
   })
@@ -413,10 +413,12 @@ export default async function (webRouter, privateApiRouter, publicApiRouter) {
       labsEnabled: Settings.labs && Settings.labs.enable,
       wikiEnabled: Settings.overleaf != null || Settings.proxyLearn,
       templatesEnabled:
-        Settings.overleaf != null || Settings.templates?.user_id != null,
+        Settings.overleaf != null || Boolean(Settings.templates),
       cioWriteKey: Settings.analytics?.cio?.writeKey,
       cioSiteId: Settings.analytics?.cio?.siteId,
       linkedInInsightsPartnerId: Settings.analytics?.linkedIn?.partnerId,
+      githubSyncEnabled: !!Settings.githubSync?.clientID && !!Settings.githubSync?.clientSecret,
+      zoteroEnabled: !!Settings.zotero?.clientKey && !!Settings.zotero?.clientSecret,
       enablePandocConversions: Settings.enablePandocConversions,
       mixpanelLabsToken:
         Settings.labs?.enable && Settings.analytics?.mixpanel?.labsToken,

services/web/app/src/infrastructure/Features.mjs

@@ -34,6 +34,7 @@ const Features = {
     return (
       (Boolean(Settings.ldap) && Boolean(Settings.ldap.enable)) ||
       (Boolean(Settings.saml) && Boolean(Settings.saml.enable)) ||
+      (Boolean(Settings.oidc) && Boolean(Settings.oidc.enable)) ||
       Boolean(Settings.overleaf)
     )
   },
@@ -51,10 +52,7 @@ const Features = {
       case 'homepage':
         return Boolean(Settings.enableHomepage)
       case 'registration-page':
-        return (
+        return Boolean(Settings.enableRegistrationPage)
-          !Features.externalAuthenticationSystemUsed() ||
-          Boolean(Settings.overleaf)
-        )
       case 'registration':
         return Boolean(Settings.overleaf)
       case 'chat':
@@ -68,7 +66,7 @@ const Features = {
       case 'oauth':
         return Boolean(Settings.oauth)
       case 'templates-server-pro':
-        return Boolean(Settings.templates?.user_id)
+        return Boolean(Settings.templates)
       case 'affiliations':
       case 'analytics':
         return Boolean(_.get(Settings, ['apis', 'v1', 'url']))

services/web/app/src/infrastructure/mongodb.mjs

@@ -84,6 +84,7 @@ export const db = {
   systemmessages: internalDb.collection('systemmessages'),
   tags: internalDb.collection('tags'),
   teamInvites: internalDb.collection('teamInvites'),
+  templates: internalDb.collection('templates'),
   tokens: internalDb.collection('tokens'),
   userAuditLogEntries: internalDb.collection('userAuditLogEntries'),
   users: internalDb.collection('users'),

services/web/app/src/router.mjs

@@ -236,6 +236,8 @@ async function initialize(webRouter, privateApiRouter, publicApiRouter) {
     CaptchaMiddleware.canSkipCaptcha
   )
 
+  await Modules.applyRouter(webRouter, privateApiRouter, publicApiRouter)
+
   webRouter.get('/login', UserPagesController.loginPage)
   AuthenticationController.addEndpointToLoginWhitelist('/login')
 
@@ -281,6 +283,8 @@ async function initialize(webRouter, privateApiRouter, publicApiRouter) {
     '/read-only/one-time-login'
   )
 
+  await Modules.applyRouter(webRouter, privateApiRouter, publicApiRouter)
+
   webRouter.get('/logout', UserPagesController.logout)
   webRouter.post('/logout', UserController.logout)
 
@@ -1271,6 +1275,10 @@ async function initialize(webRouter, privateApiRouter, publicApiRouter) {
     )
   }
 
+  webRouter.get(['/learn*', '/blog*', '/latex*', '/for/*', '/contact*'], (req, res) => {
+    res.redirect(301, `https://www.overleaf.com${req.originalUrl}`)
+  })
+
   webRouter.get('/unsupported-browser', renderUnsupportedBrowserPage)
 
   webRouter.get('*', ErrorController.notFound)

services/web/app/views/admin/index.pug

@@ -14,6 +14,7 @@ block content
 								.nav-tabs-container
 									ul.nav.nav-tabs.align-left(role='tablist')
 										+bookmarkable-tabset-header('system-messages', 'System Messages', true)
+										+bookmarkable-tabset-header('active-projects', 'Active Projects')
 										+bookmarkable-tabset-header('open-sockets', 'Open Sockets')
 										+bookmarkable-tabset-header('open-close-editor', 'Open/Close Editor')
 										if hasFeature('saas')
@@ -42,6 +43,10 @@ block content
 											input(name='_csrf' type='hidden' value=csrfToken)
 											button.btn.btn-danger(type='submit') Clear all messages
 
+									.tab-pane(role='tabpanel' id='active-projects')
+										.row-spaced
+											include ../../../modules/admin-tools/app/views/active-projects.pug
+
 									.tab-pane(role='tabpanel' id='open-sockets')
 										.row-spaced
 											ul

services/web/app/views/layout/navbar-marketing.pug

@@ -66,7 +66,7 @@ nav.navbar.navbar-default.navbar-main.navbar-expand-lg(
 									+dropdown-menu-link-item(href='/admin') Manage Site
 									+dropdown-menu-link-item(href='/admin/user') Manage Users
 								if canDisplayProjectUrlLookup
-									+dropdown-menu-link-item(href='/admin/project') Project URL Lookup
+									+dropdown-menu-link-item(href='/admin/project') Manage Projects
 								if canDisplayAdminRedirect
 									+dropdown-menu-link-item(href=settings.adminUrl) Switch to Admin
 								if canDisplaySplitTestMenu
@@ -151,6 +151,18 @@ nav.navbar.navbar-default.navbar-main.navbar-expand-lg(
 
 					// logged out
 					if !getSessionUser()
+						// templates link
+						if settings.templates
+							+nav-item
+								+nav-link(
+									href="/templates"
+									event-tracking="menu-click"
+									event-tracking-action="clicked"
+									event-tracking-trigger="click"
+									event-tracking-mb="true"
+									event-segmentation={ page: currentUrl, item: 'templates', location: 'top-menu' }
+								) #{translate('templates')}
+
 						// register link
 						if hasFeature('registration-page')
 							+nav-item.primary

services/web/app/views/project/editor/new_from_template.pug

@@ -29,8 +29,10 @@ block content
 		input(type="hidden" name="templateVersionId" value=templateVersionId)
 		input(type="hidden" name="templateName" value=name)
 		input(type="hidden" name="compiler" value=compiler)
-		input(type="hidden" name="imageName" value=imageName)
+		if imageName
+			input(type="hidden" name="imageName" value=imageName)
 		input(type="hidden" name="mainFile" value=mainFile)
+		input(type="hidden" name="language" value=language)
 		if brandVariationId
 			input(type="hidden" name="brandVariationId" value=brandVariationId)
 		input(hidden type="submit")

services/web/app/views/user/login.pug

@@ -26,8 +26,9 @@ block content
 							label(for='email') #{translate("email")}
 							input#email.form-control(
 								name='email'
-								type='email'
+								type=(settings.ldap && settings.ldap.enable) ? 'text' : 'email'
 								required
+								placeholder=(settings.ldap && settings.ldap.enable) ? settings.ldap.placeholder : 'email@example.com'
 								autofocus='true'
 								autocomplete='username'
 							)
@@ -47,3 +48,21 @@ block content
 						if login_support_text
 							hr
 							p.text-center !{login_support_text}
+					if settings.saml && settings.saml.enable
+						.actions(style='margin-top: 30px;')
+							a.button.btn-secondary.btn(
+							href='/saml/login',
+								style="width: 100%;"
+								data-ol-disabled-inflight
+							)
+								span(data-ol-inflight="idle") #{settings.saml.identityServiceName}
+								span(hidden data-ol-inflight="pending") #{translate("logging_in")}…
+					if settings.oidc && settings.oidc.enable
+						.actions(style='margin-top: 30px;')
+							a.button.btn-secondary.btn(
+								href='/oidc/login',
+								style="width: 100%;"
+								data-ol-disabled-inflight
+							)
+								span(data-ol-inflight="idle") #{settings.oidc.identityServiceName}
+								span(hidden data-ol-inflight="pending") #{translate("logging_in")}…

services/web/app/views/user/passwordReset.pug

@@ -50,7 +50,7 @@ block content
 						+notification({ariaLive: 'assertive', type: 'error', className: 'mb-3', content: translate(error)})
 
 					div(data-ol-custom-form-message='no-password-allowed-due-to-sso' hidden)
-						+notification({ariaLive: 'polite', type: 'error', className: 'mb-3', content: translate('you_cant_reset_password_due_to_sso', {}, [{name: 'a', attrs: {href: '/sso-login'}}])})
+						+notification({ariaLive: 'polite', type: 'error', className: 'mb-3', content: translate('you_cant_reset_password_due_to_ldap_or_sso')})
 					input(name='_csrf' type='hidden' value=csrfToken)
 					.form-group.mb-3
 						label.form-label(for='email') #{translate("email")}

services/web/config/settings.defaults.js

@@ -275,6 +275,9 @@ module.exports = {
     realTime: {
       url: `http://${process.env.REALTIME_HOST || '127.0.0.1'}:3026`,
     },
+    linkedUrlProxy: {
+      url: `http://${process.env.LINKED_URL_PROXY_HOST || '127.0.0.1'}:3066`,
+    },
     notifications: {
       url: `http://${process.env.NOTIFICATIONS_HOST || '127.0.0.1'}:3042`,
     },
@@ -383,7 +386,9 @@ module.exports = {
     process.env.PROJECT_UPLOAD_TIMEOUT || '120000',
     10
   ),
-  maxUploadSize: 50 * 1024 * 1024, // 50 MB
+  maxUploadSize: process.env.MAX_UPLOAD_SIZE
+    ? parseInt(process.env.MAX_UPLOAD_SIZE, 10) * 1024 * 1024
+    : 50 * 1024 * 1024, // 50 MB
   multerOptions: {
     preservePath: process.env.MULTER_PRESERVE_PATH,
   },
@@ -1024,16 +1029,46 @@ module.exports = {
     //
     // Restart webpack after making changes.
     //
-    createFileModes: [],
+    createFileModes: [
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/zotero-create-file'
+      ),
+    ],
     devToolbar: [],
     gitBridge: [],
     publishModal: [],
-    tprFileViewInfo: [],
+    tprFileViewInfo: [
-    tprFileViewRefreshError: [],
+      Path.resolve(
-    tprFileViewRefreshButton: [],
+        __dirname,
-    tprFileViewNotOriginalImporter: [],
+        '../modules/zotero/frontend/js/components/tpr-file-view-info'
+      ),
+    ],
+    tprFileViewRefreshError: [
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/tpr-file-view-refresh-error'
+      ),
+    ],
+    tprFileViewRefreshButton: [
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/tpr-file-view-refresh-button'
+      ),
+    ],
+    tprFileViewNotOriginalImporter: [
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/tpr-file-view-not-original-importer'
+      ),
+    ],
     contactUsModal: [],
-    sourceEditorExtensions: [],
+    sourceEditorExtensions: [
+      Path.resolve(
+        __dirname,
+        '../modules/bib-editor/frontend/js/extensions/bib-editor-extension.ts'
+      ),
+    ],
     sourceEditorVisualExtensions: [],
     sourceEditorComponents: [],
     pdfLogEntryHeaderActionComponents: [],
@@ -1042,37 +1077,92 @@ module.exports = {
     pdfPreviewPromotions: [],
     diagnosticActions: [],
     sourceEditorCompletionSources: [],
-    sourceEditorSymbolPalette: [],
+    sourceEditorSymbolPalette: [
+      Path.resolve(
+        __dirname,
+        '../modules/symbol-palette/frontend/components/symbol-palette'
+      ),
+    ],
     sourceEditorToolbarStartButtons: [],
     sourceEditorToolbarButtonGroups: [],
     sourceEditorToolbarComponents: [],
     sourceEditorToolbarEndButtons: [],
-    rootContextProviders: [],
+    rootContextProviders: [
-    mainEditorLayoutModals: [],
+      Path.resolve(
+        __dirname,
+        '../modules/bib-editor/frontend/js/context/bib-editor-provider.tsx'
+      ),
+    ],
+    mainEditorLayoutModals: [
+      Path.resolve(
+        __dirname,
+        '../modules/reference-picker/frontend/components/reference-picker-controller.tsx'
+      ),
+    ],
     mainEditorLayoutPanels: [],
     pythonRunner: [],
     langFeedbackLinkingWidgets: [],
     labsExperiments: [],
-    integrationLinkingWidgets: [],
+    integrationLinkingWidgets: [
-    referenceLinkingWidgets: [],
+      Path.resolve(
-    importProjectFromGithubModalWrapper: [],
+        __dirname,
-    importProjectFromGithubMenu: [],
+        '../modules/github-sync/frontend/js/components/github-sync-widget.tsx'
+      ),
+    ],
+    referenceLinkingWidgets: [
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/zotero-widget'
+      ),
+    ],
+    importProjectFromGithubModalWrapper: [
+      Path.resolve(
+        __dirname,
+        '../modules/github-sync/frontend/js/components/import-from-github-modal-wrapper.tsx'
+      ),
+    ],
+    importProjectFromGithubMenu: [
+      Path.resolve(
+        __dirname,
+        '../modules/github-sync/frontend/js/components/import-from-github-menu.tsx'
+      ),
+    ],
     editorLeftMenuSync: [],
     editorLeftMenuManageTemplate: [],
-    menubarExtraComponents: [],
+    menubarExtraComponents: [
+      Path.resolve(
+        __dirname,
+        '../modules/template-gallery/frontend/js/features/template/components/menubar-manage-template'
+      ),
+    ],
     insertMenuSections: [],
-    oauth2Server: [],
+    oauth2Server: [
+      Path.resolve(
+        __dirname,
+        '../modules/git-bridge/frontend/js/widget/components/git-integration-widget.tsx'
+      )
+    ],
     managedGroupSubscriptionEnrollmentNotification: [],
     managedGroupEnrollmentInvite: [],
     ssoCertificateInfo: [],
     v1ImportDataScreen: [],
     snapshotUtils: [],
-    visualEditorProviders: [],
+    visualEditorProviders: [
+      Path.resolve(
+        __dirname,
+        '../modules/bib-editor/frontend/js/bib-editor-visual-provider.ts'
+      ),
+    ],
     usGovBanner: [],
     rollingBuildsUpdatedAlert: [],
     offlineModeToolbarButtons: [],
     settingsEntries: [],
-    autoCompleteExtensions: [],
+    autoCompleteExtensions: [
+      Path.resolve(
+        __dirname,
+        '../modules/reference-picker/frontend/extensions/reference-picker-keybinding.ts'
+      ),
+    ],
     sectionTitleGenerators: [],
     toastGenerators: [
       Path.resolve(
@@ -1098,12 +1188,31 @@ module.exports = {
         '../modules/full-project-search/frontend/js/components/full-project-search.tsx'
       ),
     ],
-    integrationPanelComponents: [],
+    integrationPanelComponents: [
+      Path.resolve(
+        __dirname,
+        '../modules/github-sync/frontend/js/components/github-integration-card.tsx'
+      ),
+      Path.resolve(
+        __dirname,
+        '../modules/git-bridge/frontend/js/card/components/git-integration-card.tsx'
+      ),
+      Path.resolve(
+        __dirname,
+        '../modules/zotero/frontend/js/components/zotero-integration-card.tsx'
+      ),
+    ],
     referenceSearchSetting: [],
     settingsModalEditorTabSections: [],
     settingsModalSpellcheckSections: [],
     editorFloatingMenuActions: [],
-    referenceIndices: [],
+    errorLogsComponents: [],
+    referenceIndices: [
+      Path.resolve(
+        __dirname,
+        '../modules/reference-picker/frontend/reference-index/advanced-reference-index.ts'
+      ),
+    ],
     railEntries: [],
     railPopovers: [],
     railActions: [],
@@ -1114,7 +1223,22 @@ module.exports = {
     'history-v1',
     'launchpad',
     'server-ce-scripts',
-    'user-activate',
+    'sandboxed-compiles',
+    'symbol-palette',
+    'reference-picker',
+    'track-changes',
+    'authentication/ldap',
+    'authentication/saml',
+    'authentication/oidc',
+    'admin-tools', // import after authentication
+    'registration-page', // import after authentication
+    'template-gallery',
+    'git-bridge',
+    'github-sync',
+    'zotero',
+    'bib-editor',
+    'orcid-picker',
+    'ce-ui',
   ],
   viewIncludes: {},
 
@@ -1128,7 +1252,6 @@ module.exports = {
       'app/views/project/ide-react': [`img-src 'self' data: blob:`],
     },
   },
-
   unsupportedBrowsers: {
     ie: '<=11',
     safari: '<15',
@@ -1143,6 +1266,38 @@ module.exports = {
   },
 
   enablePandocConversions: process.env.ENABLE_PANDOC_CONVERSIONS === 'true',
+
+  oauthProviders: {
+    ...(process.env.EXTERNAL_AUTH && process.env.EXTERNAL_AUTH.includes('oidc') && {
+      [process.env.OVERLEAF_OIDC_PROVIDER_ID || 'oidc']: {
+        name: process.env.OVERLEAF_OIDC_PROVIDER_NAME || 'OIDC Provider',
+        descriptionKey: process.env.OVERLEAF_OIDC_PROVIDER_DESCRIPTION,
+        descriptionOptions: { link: process.env.OVERLEAF_OIDC_PROVIDER_INFO_LINK },
+        hideWhenNotLinked: process.env.OVERLEAF_OIDC_PROVIDER_HIDE_NOT_LINKED ?
+          process.env.OVERLEAF_OIDC_PROVIDER_HIDE_NOT_LINKED.toLowerCase() === 'true' : undefined,
+        linkPath: '/oidc/login',
+      },
+    }),
+  },
+
+  splitTestOverrides: {
+    ...(process.env.ENABLE_EDITOR_TABS?.toLowerCase() === 'true' ? {
+      'editor-tabs': 'enabled',
+    } : {}),
+    ...(process.env.ENABLE_PANDOC_CONVERSIONS === 'true' ? {
+      'import-docx': 'enabled',
+      'import-markdown': 'enabled',
+      'export-docx': 'enabled',
+      'export-html': 'enabled',
+      'export-markdown': 'enabled',
+    } : {}),
+    ...(process.env.OVERLEAF_HISTORY_RESTORE?.toLowerCase() === 'true' ? {
+      'history-ranges-support': 'enabled',
+      'revert-file': 'enabled',
+      'revert-project': 'enabled',
+    } : {}),
+  },
+
 }
 
 module.exports.mergeWith = function (overrides) {

services/web/frontend/extracted-translations.json

@@ -22,17 +22,28 @@
   "a_new_reference_was_added_to_file_from_provider": "",
   "a_new_version_of_the_rolling_texlive_build_released": "",
   "about_to_archive_projects": "",
+  "about_to_delete_accounts": "",
   "about_to_delete_cert": "",
   "about_to_delete_projects": "",
   "about_to_delete_tag": "",
+  "about_to_delete_template": "",
   "about_to_delete_the_following_project": "",
   "about_to_delete_the_following_projects": "",
   "about_to_delete_user_preamble": "",
   "about_to_enable_managed_users": "",
   "about_to_leave_project": "",
   "about_to_leave_projects": "",
+  "about_to_permanently_delete_accounts": "",
+  "about_to_permanently_delete_projects": "",
   "about_to_remove_user_preamble": "",
+  "about_to_resend_activation_email": "",
+  "about_to_restore_accounts": "",
+  "about_to_restore_projects": "",
+  "about_to_resume_accounts": "",
+  "about_to_set_admin_accounts": "",
+  "about_to_suspend_accounts": "",
   "about_to_trash_projects": "",
+  "about_to_unset_admin_accounts": "",
   "abstract": "",
   "accept_all_cookies": "",
   "accept_and_continue": "",
@@ -57,6 +68,7 @@
   "account_has_been_link_to_institution_account": "",
   "account_has_past_due_invoice_change_plan_warning": "",
   "account_help": "",
+  "account_information": "",
   "account_managed_by_group_administrator": "",
   "account_managed_by_group_teamname": "",
   "account_not_linked_to_dropbox": "",
@@ -64,6 +76,7 @@
   "acct_linked_to_institution_acct_2": "",
   "action_needed": "",
   "actions": "",
+  "activation_link": "",
   "active": "",
   "add": "",
   "add_a_recovery_email_address": "",
@@ -143,6 +156,8 @@
   "all_project_activity_description": "",
   "all_projects": "",
   "all_projects_will_be_transferred_immediately": "",
+  "all_templates": "",
+  "all_users": "",
   "all_these_experiments_are_available_exclusively": "",
   "allocate_license": "",
   "allows_to_search_by_author_title_etc_possible_to_pull_results_directly_from_your_reference_manager_if_connected": "",
@@ -174,6 +189,8 @@
   "are_you_still_at": "",
   "are_you_sure_you_want_to_cancel_add_on": "",
   "as_email": "",
+  "ask_proj_owner_to_add_you_as_github_collaborator": "",
+  "ask_proj_owner_to_export_to_github": "",
   "ask_proj_owner_to_unlink_from_current_github": "",
   "ask_proj_owner_to_upgrade_for_full_history": "",
   "ask_repo_owner_to_reconnect": "",
@@ -181,6 +198,7 @@
   "at_most_x_libraries_can_be_selected": "",
   "attach_image_or_pdf": "",
   "audit_logs": "",
+  "author": "",
   "auto_close_brackets": "",
   "auto_compile": "",
   "auto_complete": "",
@@ -199,6 +217,7 @@
   "back_to_my_projects": "",
   "back_to_pdf": "",
   "back_to_subscription": "",
+  "back_to_user_list": "",
   "back_to_your_projects": "",
   "basic_compile_time": "",
   "before_you_use_error_assistant": "",
@@ -251,6 +270,8 @@
   "captions": "",
   "capture": "",
   "careers": "",
+  "categories": "",
+  "category": "",
   "category_arrows": "",
   "category_greek": "",
   "category_misc": "",
@@ -369,6 +390,7 @@
   "contacting_the_sales_team": "",
   "continue": "",
   "continue_github_merge": "",
+  "continue_github_merge": "",
   "continue_to": "",
   "continue_using_free_features": "",
   "continue_with_free_plan": "",
@@ -415,6 +437,7 @@
   "cut": "",
   "dark_mode_pdf_preview": "",
   "dark_themes": "",
+  "date": "",
   "date_and_owner": "",
   "date_and_time": "",
   "dealing_with_errors": "",
@@ -423,6 +446,7 @@
   "delete_account": "",
   "delete_account_confirmation_label": "",
   "delete_account_warning_message_3": "",
+  "delete_accounts": "",
   "delete_acct_no_existing_pw": "",
   "delete_and_leave": "",
   "delete_and_leave_projects": "",
@@ -444,6 +468,7 @@
   "delete_sso_config": "",
   "delete_table": "",
   "delete_tag": "",
+  "delete_template": "",
   "delete_token": "",
   "delete_user": "",
   "delete_your_account": "",
@@ -452,6 +477,7 @@
   "deleted_by_id": "",
   "deleted_by_ip": "",
   "deleted_by_on": "",
+  "deleted_projects": "",
   "deleted_user": "",
   "deleting": "",
   "demonstrating_git_integration": "",
@@ -568,6 +594,7 @@
   "edit_sso_configuration": "",
   "edit_tag": "",
   "edit_tag_name": "",
+  "edit_template": "",
   "edit_your_custom_dictionary": "",
   "edited": "",
   "editing": "",
@@ -688,6 +715,7 @@
   "files_cannot_include_invalid_characters": "",
   "files_selected": "",
   "filter_projects": "",
+  "filter_users": "",
   "find": "",
   "find_out_how_to_get_the_most_out_of_your_new_subscription": "",
   "find_out_more": "",
@@ -801,6 +829,9 @@
   "github_timeout_error": "",
   "github_too_many_files_error": "",
   "github_validation_check": "",
+  "github_validation_check_auth": "",
+  "github_validation_name_exists": "",
+  "github_validation_name_invalid": "",
   "github_workflow_authorize": "",
   "github_workflow_files_delete_github_repo": "",
   "github_workflow_files_error": "",
@@ -940,8 +971,10 @@
   "imported_from_papers_at_date": "",
   "imported_from_the_output_of_another_project_at_date": "",
   "imported_from_zotero_at_date": "",
+  "imported_from_zotero_at_date_by": "",
   "importing": "",
   "importing_and_merging_changes_in_github": "",
+  "inactive_projects": "",
   "in_order_to_match_institutional_metadata_2": "",
   "in_order_to_match_institutional_metadata_associated": "",
   "inactive": "",
@@ -1070,6 +1103,7 @@
   "last_name": "",
   "last_resort_trouble_shooting_guide": "",
   "last_suggested_fix": "",
+  "last_updated": "",
   "last_updated_date_by_x": "",
   "last_used": "",
   "last_verification_attempt": "",
@@ -1078,6 +1112,8 @@
   "latam_discount_modal_title": "",
   "latex_places_figures_according_to_a_special_algorithm": "",
   "latex_places_tables_according_to_a_special_algorithm": "",
+  "latex_templates": "",
+  "latex_templates_for_journal_articles": "",
   "layout_options": "",
   "learn_more": "",
   "learn_more_about": "",
@@ -1260,12 +1296,14 @@
   "need_to_add_new_primary_before_remove": "",
   "need_to_leave": "",
   "neither_agree_nor_disagree": "",
+  "never": "",
   "new": "",
   "new_compile_domain_notice": "",
   "new_compiles_in_this_project_will_automatically_use_the_newest_version": "",
   "new_file": "",
   "new_folder": "",
   "new_name": "",
+  "new_owner": "",
   "new_password": "",
   "new_project": "",
   "new_reference": "",
@@ -1315,7 +1353,9 @@
   "no_search_results": "",
   "no_selection_select_file": "",
   "no_symbols_found": "",
+  "no_templates_found": "",
   "no_thanks_cancel_now": "",
+  "no_users": "",
   "non_blinking_cursor": "",
   "normal": "",
   "normally_x_price_per_month": "",
@@ -1326,6 +1366,7 @@
   "notification_personal_and_group_subscriptions": "",
   "notification_project_invite_accepted_message": "",
   "notification_project_invite_message": "",
+  "notify_users_about_account_deletion": "",
   "number_of_users": "",
   "numbered_list": "",
   "oauth_orcid_description": "",
@@ -1349,6 +1390,7 @@
   "only_project_owner_can_link_github": "",
   "open_action_menu": "",
   "open_advanced_reference_search": "",
+  "open_as_template": "",
   "open_each_file_in_its_own_tab": "",
   "open_file": "",
   "open_files_in_tabs": "",
@@ -1361,6 +1403,7 @@
   "optional": "",
   "or": "",
   "or_enable_clipboard_access_in_your_browser_settings": "",
+  "organization": "",
   "organization_name": "",
   "organize_tags": "",
   "other": "",
@@ -1378,12 +1421,15 @@
   "overleaf_labs": "",
   "overleaf_learning_center": "",
   "overleaf_logo": "",
+  "overleaf_template_gallery": "",
   "overleafs_functionality_meets_my_needs": "",
   "overview": "",
   "overwrite": "",
   "overwriting_the_original_folder": "",
   "owned_by_x": "",
+  "owned_projects": "",
   "owner": "",
+  "ownership_of_projects_will_be_transferred": "",
   "page_current": "",
   "page_x_of_n": "",
   "pagination_navigation": "",
@@ -1441,8 +1487,11 @@
   "pending_subscription_message": "",
   "per_license": "",
   "per_month": "",
+  "per_page": "",
   "per_year": "",
   "percent_is_the_percentage_of_the_line_width": "",
+  "permanently_delete_accounts": "",
+  "permanently_delete_projects": "",
   "permanently_disables_the_preview": "",
   "personal_library": "",
   "pick_up_where_you_left_off": "",
@@ -1452,6 +1501,7 @@
   "please_ask_the_project_owner_to_upgrade_to_track_changes": "",
   "please_change_primary_to_remove": "",
   "please_compile_pdf_before_download": "",
+  "please_compile_pdf_before_publish_as_template": "",
   "please_confirm_primary_email_or_edit": "",
   "please_confirm_secondary_email_or_edit": "",
   "please_confirm_your_email_before_making_it_default": "",
@@ -1488,8 +1538,10 @@
   "presentation_mode": "",
   "press_shift_space_for_suggestions": "",
   "press_space_to_open_the_ai_assistant": "",
+  "prev": "",
   "preview": "",
   "preview_editor_tabs": "",
+  "previous": "",
   "previous_page": "",
   "previous_suggestion": "",
   "price": "",
@@ -1514,6 +1566,7 @@
   "project_actions": "",
   "project_approaching_file_limit": "",
   "project_categories_tags": "",
+  "problem_checking_connection_with_provider": "",
   "project_figure_modal": "",
   "project_files_history": "",
   "project_flagged_too_many_compiles": "",
@@ -1555,6 +1608,7 @@
   "publisher_account": "",
   "publishing": "",
   "pull_github_changes_into_sharelatex": "",
+  "purge": "",
   "push_sharelatex_changes_to_github": "",
   "push_to_github_pull_to_overleaf": "",
   "quoted_text": "",
@@ -1600,10 +1654,13 @@
   "reference_managers": "",
   "reference_search": "",
   "reference_search_setting": "",
+  "reference_search_results": "",
   "reference_search_settings": "",
   "reference_search_style": "",
   "reference_sync": "",
   "references_from_these_libraries_will_be_included_in_your_reference_search_results": "",
+  "references_picker_empty_hint": "",
+  "references_picker_title": "",
   "refresh": "",
   "refresh_page_after_linking_dropbox": "",
   "refresh_page_after_starting_free_trial": "",
@@ -1658,6 +1715,7 @@
   "repository_visibility": "",
   "republish": "",
   "resend": "",
+  "resend_activation_email": "",
   "resend_confirmation_code": "",
   "resend_group_invite": "",
   "resend_invite": "",
@@ -1670,6 +1728,8 @@
   "resolve_comment_error_title": "",
   "resolved_comments": "",
   "restore": "",
+  "restore_accounts": "",
+  "restore_projects": "",
   "restore_file": "",
   "restore_file_confirmation_message": "",
   "restore_file_confirmation_title": "",
@@ -1679,6 +1739,8 @@
   "restore_project_to_this_version": "",
   "restore_this_version": "",
   "restoring": "",
+  "resume": "",
+  "resume_account": "",
   "resync_completed": "",
   "resync_message": "",
   "resync_project_history": "",
@@ -1773,6 +1835,7 @@
   "select_all": "",
   "select_all_entries": "",
   "select_all_projects": "",
+  "select_all_users": "",
   "select_an_output_file": "",
   "select_an_output_file_figure_modal": "",
   "select_bib_file": "",
@@ -1789,6 +1852,7 @@
   "select_image_from_project_files": "",
   "select_project": "",
   "select_projects": "",
+  "select_users": "",
   "select_size": "",
   "select_tag": "",
   "select_tax_id_type": "",
@@ -1800,6 +1864,7 @@
   "send": "",
   "send_confirmation_code": "",
   "send_message": "",
+  "send_notification_emails_to_users": "",
   "send_request": "",
   "sending": "",
   "sentence_completion": "",
@@ -1812,6 +1877,8 @@
   "session_expired_redirecting_to_login": "",
   "sessions": "",
   "set_as_main_document": "",
+  "set_admin": "",
+  "set_admin_account": "",
   "set_color": "",
   "set_column_width": "",
   "set_up_single_sign_on": "",
@@ -1852,6 +1919,7 @@
   "showing_x_results_plural": "",
   "sidebar": "",
   "sign_up": "",
+  "signed_up": "",
   "simple_search_mode": "",
   "single_sign_on_sso": "",
   "size": "",
@@ -1985,6 +2053,9 @@
   "sure_you_want_to_change_plan": "",
   "sure_you_want_to_delete": "",
   "sure_you_want_to_leave_group": "",
+  "suspend": "",
+  "suspend_account": "",
+  "switch_between_dark_and_light_mode": "",
   "switch_compile_mode_for_faster_draft_compilation": "",
   "switch_to_editor": "",
   "switch_to_pdf": "",
@@ -2018,6 +2089,7 @@
   "tell_the_project_owner_and_ask_them_to_upgrade": "",
   "template": "",
   "template_description": "",
+  "template_gallery": "",
   "template_title_taken_from_project_title": "",
   "templates": "",
   "temporarily_hides_the_preview": "",
@@ -2073,6 +2145,7 @@
   "they_will_retain_ownership_of_projects_currently_owned_by_them_and_collaborators_will_become_read_only": "",
   "they_will_retain_their_existing_account_on_the_free_plan": "",
   "they_wont_be_able_to_log_in_with_sso_they_will_need_to_set_password": "",
+  "this_action_can_be_undone_within_limited_period": "",
   "this_action_cannot_be_reversed": "",
   "this_action_cannot_be_undone": "",
   "this_action_will_also_disable_domain_capture": "",
@@ -2196,6 +2269,7 @@
   "track_changes": "",
   "tracked_change_added": "",
   "tracked_change_deleted": "",
+  "transfer_all_projects_to": "",
   "transfer_management_of_your_account": "",
   "transfer_management_of_your_account_to_x": "",
   "transfer_management_resolve_following_issues": "",
@@ -2207,6 +2281,7 @@
   "trashed": "",
   "trashed_projects": "",
   "trashing_projects_wont_affect_collaborators": "",
+  "trashing_projects_wont_affect_user_collaborators": "",
   "trial_last_day": "",
   "trial_remaining_days": "",
   "tried_to_log_in_with_email": "",
@@ -2214,6 +2289,7 @@
   "try_again": "",
   "try_for_free": "",
   "try_now": "",
+  "try_recompile_project": "",
   "try_recompile_project_or_troubleshoot": "",
   "try_relinking_provider": "",
   "try_to_compile_despite_errors": "",
@@ -2269,6 +2345,8 @@
   "unpausing": "",
   "unpublish": "",
   "unpublishing": "",
+  "unset_admin": "",
+  "unset_admin_account": "",
   "unsubscribe": "",
   "until_then_you_can_still": "",
   "untrash": "",
@@ -2316,6 +2394,17 @@
   "used_latex_response_occasionally": "",
   "used_latex_response_often": "",
   "used_when_referring_to_the_figure_elsewhere_in_the_document": "",
+  "user_activity": "",
+  "user_categories": "",
+  "user_category_admin": "",
+  "user_category_all": "",
+  "user_category_deleted": "",
+  "user_category_inactive": "",
+  "user_category_ldap": "",
+  "user_category_local": "",
+  "user_category_oidc": "",
+  "user_category_saml": "",
+  "user_category_suspended": "",
   "user_deletion_error": "",
   "user_deletion_password_reset_tip": "",
   "user_email_attribute": "",
@@ -2325,6 +2414,7 @@
   "user_management": "",
   "user_personal_access_tokens": "",
   "user_sessions": "",
+  "users_list": "",
   "using_latex": "",
   "using_premium_features": "",
   "using_the_overleaf_editor": "",
@@ -2371,6 +2461,7 @@
   "view_options": "",
   "view_payment_portal": "",
   "view_payment_portal_disclaimer": "",
+  "view_pdf": "",
   "view_your_invoices": "",
   "viewer": "",
   "viewing": "",
@@ -2464,6 +2555,7 @@
   "you_can_select_or_invite_collaborator": "",
   "you_can_select_or_invite_collaborator_plural": "",
   "you_can_still_use_your_premium_features": "",
+  "you_cant_add_or_change_password_due_to_ldap_or_sso": "",
   "you_cant_add_or_change_password_due_to_sso": "",
   "you_cant_join_this_group_subscription": "",
   "you_currently_have_x_linked_with_your_overleaf_account": "",
@@ -2551,6 +2643,7 @@
   "zoom_out": "",
   "zoom_to": "",
   "zotero": "",
+  "zotero_account_linked_successfully": "",
   "zotero_dynamic_sync_description": "",
   "zotero_groups_loading_error": "",
   "zotero_groups_relink": "",
@@ -2559,6 +2652,7 @@
   "zotero_reference_loading_error": "",
   "zotero_reference_loading_error_expired": "",
   "zotero_reference_loading_error_forbidden": "",
+  "zotero_reference_loading_error_not_linked": "",
   "zotero_sync_description": "",
   "zotero_upgrade_prompt_content": "",
   "zotero_upgrade_prompt_title": ""

services/web/frontend/fonts/material-symbols/unfilled-symbols.mjs

@@ -5,6 +5,7 @@
 
 export default /** @type {const} */ ([
   'account_balance',
+  'add_moderator',
   'arrow_back_ios_new',
   'arrow_circle_up',
   'auto_delete',
@@ -28,6 +29,7 @@ export default /** @type {const} */ ([
   'domain',
   'edit',
   'edit_square',
+  'edit',
   'error',
   'experiment',
   'find_replace',
@@ -39,7 +41,7 @@ export default /** @type {const} */ ([
   'help',
   'image',
   'info',
-  'info',
+  'info_i',
   'integration_instructions',
   'lightbulb',
   'lightbulb_2',
@@ -53,12 +55,16 @@ export default /** @type {const} */ ([
   'notifications',
   'open_in_new',
   'password',
+  'pause_circle',
   'person',
   'person_edit',
   'picture_as_pdf',
+  'play_circle',
   'push_pin',
   'rate_review',
+  'remove_moderator',
   'report',
+  'restore_from_trash',
   'search',
   'settings',
   'shuffle',

services/web/frontend/js/features/file-tree/components/file-tree-create/file-tree-modal-create-file-body.tsx

@@ -13,11 +13,16 @@ import { FullSizeLoadingSpinner } from '@/shared/components/loading-spinner'
 import getMeta from '@/utils/meta'
 import OLNotification from '@/shared/components/ol/ol-notification'
 
-const createFileModeModules = importOverleafModules('createFileModes') as {
+const allCreateFileModeModules = importOverleafModules('createFileModes') as {
   import: { CreateFilePane: ElementType; CreateFileMode: ElementType }
   path: string
 }[]
 
+const createFileModeModules = allCreateFileModeModules.filter(
+  ({ path }) =>
+    (getMeta('ol-ExposedSettings').zoteroEnabled || !path.includes('zotero-create-file'))
+)
+
 const FileTreeUploadDoc = lazy(() => import('./modes/file-tree-upload-doc'))
 
 export default function FileTreeModalCreateFileBody() {

services/web/frontend/js/features/file-tree/contexts/file-tree-actionable.tsx

@@ -487,7 +487,13 @@ export const FileTreeActionableProvider: FC<React.PropsWithChildren> = ({
 
   const finishCreatingLinkedFile = useCallback(
     (entity: Omit<NewLinkedFileEntity, 'endpoint'>) => {
-      return finishCreatingDocOrFile({ ...entity, endpoint: 'linked_file' })
+      const shouldReindexReferences = /\.bib$/.test(entity.name)
+      return finishCreatingDocOrFile({ ...entity, endpoint: 'linked_file' }).
+        then(() => {
+          if (shouldReindexReferences) {
+            indexAllReferences(true)
+          }
+        })
     },
     [finishCreatingDocOrFile]
   )

services/web/frontend/js/features/file-view/types/binary-file.ts

@@ -15,6 +15,14 @@ export type LinkedFileData = {
     source_project_id: string
     source_output_file_path: string
   }
+  zotero: {
+    provider: 'zotero'
+    zoteroGroupId?: string
+    importedAt: Date | string
+    importedByUserId: string
+    importedByName: string
+    bibFormat: 'bibtex' | 'biblatex'
+  }
 }
 
 export type BinaryFile<T extends keyof LinkedFileData = keyof LinkedFileData> =

services/web/frontend/js/features/ide-react/components/rail/rail.tsx

@@ -71,7 +71,7 @@ export const RailLayout = () => {
   const { features } = useProjectContext()
   const { isRestrictedTokenMember } = useEditorContext()
   const gitBridgeEnabled = getMeta('ol-gitBridgeEnabled')
-  const { isOverleaf } = getMeta('ol-ExposedSettings')
+  const { isOverleaf, githubSyncEnabled, zoteroEnabled } = getMeta('ol-ExposedSettings')
 
   const { view, setSettingsShown, focusMode } = useLayoutContext()
 
@@ -119,7 +119,7 @@ export const RailLayout = () => {
         icon: 'integration_instructions',
         title: t('integrations'),
         component: <IntegrationsPanel />,
-        hide: !isOverleaf && !gitBridgeEnabled,
+        hide: !isOverleaf && !gitBridgeEnabled && !githubSyncEnabled && !zoteroEnabled,
       },
       {
         key: 'review-panel',
@@ -148,6 +148,8 @@ export const RailLayout = () => {
       isRestrictedTokenMember,
       isOverleaf,
       gitBridgeEnabled,
+      githubSyncEnabled,
+      zoteroEnabled,
     ]
   )
 

services/web/frontend/js/features/ide-react/context/editor-manager-context.tsx

@@ -235,7 +235,7 @@ export const EditorManagerProvider: FC<React.PropsWithChildren> = ({
         }
         if (
           update.meta.type === 'external' &&
-          update.meta.source === 'git-bridge'
+          (update.meta.source === 'git-bridge' || update.meta.source === 'github')
         ) {
           return
         }

services/web/frontend/js/features/integrations-panel/integrations-panel.tsx

@@ -2,11 +2,19 @@ import { ElementType } from 'react'
 import importOverleafModules from '../../../macros/import-overleaf-module.macro'
 import { useTranslation } from 'react-i18next'
 import RailPanelHeader from '@/features/ide-react/components/rail/rail-panel-header'
+import getMeta from '../../utils/meta'
 
-const integrationPanelComponents = importOverleafModules(
+const allIntegrationPanelComponents = importOverleafModules(
   'integrationPanelComponents'
 ) as { import: { default: ElementType }; path: string }[]
 
+const integrationPanelComponents = allIntegrationPanelComponents.filter(
+  ({ path }) =>
+    (getMeta('ol-gitBridgeEnabled') || !path.includes('git-bridge')) &&
+    (getMeta('ol-ExposedSettings').githubSyncEnabled || !path.includes('github-sync')) &&
+    (getMeta('ol-ExposedSettings').zoteroEnabled || !path.includes('zotero'))
+)
+
 export default function IntegrationsPanel() {
   const { t } = useTranslation()
 

services/web/frontend/js/features/project-list/components/new-project-button.tsx

@@ -58,7 +58,7 @@ function NewProjectButton({
   align,
 }: NewProjectButtonProps) {
   const { t } = useTranslation()
-  const { templateLinks } = getMeta('ol-ExposedSettings')
+  const { templateLinks, githubSyncEnabled } = getMeta('ol-ExposedSettings')
   const [modal, setModal] =
     useState<Nullable<NewProjectButtonModalVariant>>(null)
   const portalTemplates = getMeta('ol-portalTemplates') || []
@@ -166,7 +166,7 @@ function NewProjectButton({
     [sendProjectListMB, sendTrackingEvent]
   )
 
-  const [importProjectFromGithubMenu] = importOverleafModules(
+  const [importProjectFromGithubMenu] = !githubSyncEnabled ? [] : importOverleafModules(
     'importProjectFromGithubMenu'
   )
 

services/web/frontend/js/features/project-list/components/welcome-message-new/welcome-message-create-new-project-dropdown.tsx

@@ -68,7 +68,7 @@ function WelcomeMessageCreateNewProjectDropdown({
     useFeatureFlag('import-markdown') &&
     getMeta('ol-ExposedSettings').enablePandocConversions
 
-  const { isOverleaf } = getMeta('ol-ExposedSettings')
+  const { isOverleaf, githubSyncEnabled } = getMeta('ol-ExposedSettings')
 
   const handleDropdownItemClick = useCallback(
     (
@@ -170,7 +170,7 @@ function WelcomeMessageCreateNewProjectDropdown({
             </DropdownItem>
           </li>
         )}
-        {isOverleaf && (
+        {(isOverleaf || githubSyncEnabled) && (
           <li role="none">
             <DropdownItem
               as="button"

services/web/frontend/js/features/review-panel/components/review-panel-comment.tsx

@@ -44,7 +44,7 @@ export const ReviewPanelComment = memo<{
     const handleResolveComment = useCallback(async () => {
       setProcessing(true)
       try {
-        await resolveThread(comment.op.t)
+        await resolveThread(comment.op.t, docId)
       } catch (err) {
         debugConsole.error(err)
         showGenericMessageModal(
@@ -54,7 +54,7 @@ export const ReviewPanelComment = memo<{
       } finally {
         setProcessing(false)
       }
-    }, [comment.op.t, resolveThread, showGenericMessageModal, t])
+    }, [comment.op.t, docId, resolveThread, showGenericMessageModal, t])
 
     const handleEditMessage = useCallback(
       async (commentId: CommentId, content: string) => {
@@ -110,7 +110,7 @@ export const ReviewPanelComment = memo<{
       async (commentId: ThreadId) => {
         setProcessing(true)
         try {
-          await deleteThread(commentId)
+          await deleteThread(commentId, docId)
         } catch (err) {
           debugConsole.error(err)
           showGenericMessageModal(
@@ -121,7 +121,7 @@ export const ReviewPanelComment = memo<{
           setProcessing(false)
         }
       },
-      [deleteThread, showGenericMessageModal, t]
+      [deleteThread, docId, showGenericMessageModal, t]
     )
 
     const handleSubmitReply = useCallback(

services/web/frontend/js/features/review-panel/components/review-panel-resolved-thread.tsx

@@ -17,7 +17,8 @@ export const ReviewPanelResolvedThread: FC<{
   id: ThreadId
   comment: Change<CommentOperation>
   docName: string
-}> = ({ id, comment, docName }) => {
+  docId: string
+}> = ({ id, comment, docName, docId }) => {
   const { t } = useTranslation()
   const { reopenThread, deleteThread } = useThreadsActionsContext()
   const [processing, setProcessing] = useState(false)
@@ -33,7 +34,7 @@ export const ReviewPanelResolvedThread: FC<{
   const handleReopenThread = useCallback(async () => {
     setProcessing(true)
     try {
-      await reopenThread(id)
+      await reopenThread(id, docId)
     } catch (err) {
       debugConsole.error(err)
       showGenericMessageModal(
@@ -43,12 +44,12 @@ export const ReviewPanelResolvedThread: FC<{
     } finally {
       setProcessing(false)
     }
-  }, [id, reopenThread, showGenericMessageModal, t])
+  }, [id, docId, reopenThread, showGenericMessageModal, t])
 
   const handleDeleteThread = useCallback(async () => {
     setProcessing(true)
     try {
-      await deleteThread(id)
+      await deleteThread(id, docId)
     } catch (err) {
       debugConsole.error(err)
       showGenericMessageModal(
@@ -58,7 +59,7 @@ export const ReviewPanelResolvedThread: FC<{
     } finally {
       setProcessing(false)
     }
-  }, [id, deleteThread, showGenericMessageModal, t])
+  }, [id, docId, deleteThread, showGenericMessageModal, t])
 
   return (
     <div