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Merge pull request #44 from sharelatex/bg-add-null-byte-checks

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add null byte checks
This commit is contained in:
Brian Gough
2017-05-22 15:25:02 +01:00
committed by GitHub
parent 6e26d89090 a3947c587f
commit 7497c066ee
1 changed files with 10 additions and 0 deletions
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services/document-updater/app/coffee/RedisManager.coffee
+10
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@@ -162,6 +162,12 @@ module.exports = RedisManager =
return callback(error)
jsonOps = appliedOps.map (op) -> JSON.stringify op
for op in jsonOps
if op.indexOf("\u0000") != -1
error = new Error("null bytes found in jsonOps")
logger.error err: error, doc_id: doc_id, jsonOps: jsonOps, error.message
return callback(error)
newDocLines = JSON.stringify(docLines)
if newDocLines.indexOf("\u0000") != -1
error = new Error("null bytes found in doc lines")
@@ -176,6 +182,10 @@ module.exports = RedisManager =
if error?
logger.error {err: error, doc_id}, error.message
return callback(error)
if ranges? and ranges.indexOf("\u0000") != -1
error = new Error("null bytes found in ranges")
logger.error err: error, doc_id: doc_id, ranges: ranges, error.message
return callback(error)
multi = rclient.multi()
multi.eval setScript, 1, keys.docLines(doc_id:doc_id), newDocLines # index 0
multi.set keys.docVersion(doc_id:doc_id), newVersion # index 1