From 42d12360637954b24e0b6a4fd0f25a733dd886e0 Mon Sep 17 00:00:00 2001
From: John Lees-Miller <jdleesmiller@gmail.com>
Date: Fri, 3 Jun 2016 16:11:31 +0100
Subject: [PATCH] Check for missing project before checking key

---
 .../ac/ic/wlgitbridge/snapshot/push/PostbackManager.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/push/PostbackManager.java b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/push/PostbackManager.java
index 3cc598b44b..dede8e2766 100644
--- a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/push/PostbackManager.java
+++ b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/push/PostbackManager.java
@@ -78,7 +78,12 @@ public class PostbackManager {
 
     public void checkPostbackKey(String projectName, String postbackKey)
             throws InvalidPostbackKeyException {
-        postbackContentsTable.get(projectName).checkPostbackKey(postbackKey);
+        PostbackPromise postbackPromise = postbackContentsTable.get(projectName);
+        if (postbackPromise == null) {
+            throw new InvalidPostbackKeyException(); // project not found; can't check key
+        } else {
+            postbackPromise.checkPostbackKey(postbackKey);
+        }
     }
 
     private String randomString() {