Archive ranges as well as doc lines

services/docstore/app/coffee/DocArchiveManager.coffee

@@ -6,12 +6,13 @@ async = require "async"
 settings = require("settings-sharelatex")
 request = require("request")
 crypto = require("crypto")
+RangeManager = require("./RangeManager")
 thirtySeconds = 30 * 1000
 
 module.exports = DocArchive =
 
 	archiveAllDocs: (project_id, callback = (err, docs) ->) ->
-		MongoManager.getProjectsDocs project_id, {include_deleted: true}, {lines: true, rev: true, inS3: true}, (err, docs) ->
+		MongoManager.getProjectsDocs project_id, {include_deleted: true}, {lines: true, ranges: true, rev: true, inS3: true}, (err, docs) ->
 			if err?
 				return callback(err)
 			else if !docs?
@@ -26,14 +27,19 @@ module.exports = DocArchive =
 	archiveDoc: (project_id, doc, callback)->
 		logger.log project_id: project_id, doc_id: doc._id, "sending doc to s3"
 		try
-			options = DocArchive.buildS3Options(doc.lines, project_id+"/"+doc._id)
+			options = DocArchive.buildS3Options(project_id+"/"+doc._id)
 		catch e
 			return callback e
-		request.put options, (err, res)->
+		DocArchive._mongoDocToS3Doc doc, (error, json_doc) ->
+			return callback(error) if error?
+			options.body = json_doc
+			options.headers =
+				'Content-Type': "application/json"
+			request.put options, (err, res) ->
 				if err? || res.statusCode != 200
 					logger.err err:err, res:res, project_id:project_id, doc_id: doc._id, statusCode: res?.statusCode, "something went wrong archiving doc in aws"
 					return callback new Error("Error in S3 request")
-			md5lines = crypto.createHash("md5").update(JSON.stringify(doc.lines), "utf8").digest("hex")
+				md5lines = crypto.createHash("md5").update(json_doc, "utf8").digest("hex")
 				md5response = res.headers.etag.toString().replace(/\"/g, '')
 				if md5lines != md5response
 					logger.err responseMD5:md5response, linesMD5:md5lines,  project_id:project_id, doc_id: doc?._id, "err in response md5 from s3"
@@ -60,14 +66,17 @@ module.exports = DocArchive =
 	unarchiveDoc: (project_id, doc_id, callback)->
 		logger.log project_id: project_id, doc_id: doc_id, "getting doc from s3"
 		try
-			options = DocArchive.buildS3Options(true, project_id+"/"+doc_id)
+			options = DocArchive.buildS3Options(project_id+"/"+doc_id)
 		catch e
 			return callback e
-		request.get options, (err, res, lines)->
+		options.json = true
+		request.get options, (err, res, doc)->
 			if err? || res.statusCode != 200
 				logger.err err:err, res:res, project_id:project_id, doc_id:doc_id, "something went wrong unarchiving doc from aws"
 				return callback new Errors.NotFoundError("Error in S3 request")
-			MongoManager.upsertIntoDocCollection project_id, doc_id.toString(), {lines}, (err) ->
+			DocArchive._s3DocToMongoDoc doc, (error, mongo_doc) ->
+				return callback(error) if error?
+				MongoManager.upsertIntoDocCollection project_id, doc_id.toString(), mongo_doc, (err) ->
 					return callback(err) if err?
 					logger.log project_id: project_id, doc_id: doc_id, "deleting doc from s3"
 					request.del options, (err, res, body)->
@@ -76,7 +85,31 @@ module.exports = DocArchive =
 							return callback new Errors.NotFoundError("Error in S3 request")
 						callback()
 	
-	buildS3Options: (content, key)->
+	_s3DocToMongoDoc: (doc, callback = (error, mongo_doc) ->) ->
+		mongo_doc = {}
+		if doc.schema_v == 1 and doc.lines?
+			mongo_doc.lines = doc.lines
+			if doc.ranges?
+				mongo_doc.ranges = RangeManager.jsonRangesToMongo(doc.ranges)
+		else if doc instanceof Array
+			mongo_doc.lines = doc
+		else
+			return callback(new Error("I don't understand the doc format in s3"))
+		return callback null, mongo_doc
+
+	_mongoDocToS3Doc: (doc, callback = (error, s3_doc) ->) ->
+		json = JSON.stringify({
+			lines: doc.lines
+			ranges: doc.ranges
+			schema_v: 1
+		})
+		if json.indexOf("\u0000") != -1
+			error = new Error("null bytes detected")
+			logger.error {err: error, project_id, doc_id}, error.message
+			return callback(error)
+		return callback null, json
+
+	buildS3Options: (key)->
 		if !settings.docstore.s3?
 			throw new Error("S3 settings are not configured")
 		return {
@@ -85,6 +118,5 @@ module.exports = DocArchive =
 					secret: settings.docstore.s3.secret
 					bucket: settings.docstore.s3.bucket
 				timeout: thirtySeconds
-				json: content
 				uri:"https://#{settings.docstore.s3.bucket}.s3.amazonaws.com/#{key}"
 		}

services/docstore/app/coffee/MongoManager.coffee

@@ -42,6 +42,7 @@ module.exports = MongoManager =
 			$unset: {}
 		update.$set["inS3"] = true
 		update.$unset["lines"] = true
+		update.$unset["ranges"] = true
 		query =
 			_id: doc_id
 			rev: rev

services/docstore/app/coffee/RangeManager.coffee

@@ -16,16 +16,21 @@ module.exports = RangeManager =
 	
 	jsonRangesToMongo: (ranges) ->
 		return null if !ranges?
+		
+		updateMetadata = (metadata) ->
+			if metadata?.ts?
+				metadata.ts = new Date(metadata.ts)
+			if metadata?.user_id?
+				metadata.user_id = RangeManager._safeObjectId(metadata.user_id)
+		
 		for change in ranges.changes or []
-			change.id = @_safeObjectId(change.id)
+			change.id = RangeManager._safeObjectId(change.id)
-			if change.metadata?.ts?
+			updateMetadata(change.metadata)
-				change.metadata.ts = new Date(change.metadata.ts)
-			if change.metadata?.user_id?
-				change.metadata.user_id = @_safeObjectId(change.metadata.user_id)
 		for comment in ranges.comments or []
-			comment.id = @_safeObjectId(comment.id)
+			comment.id = RangeManager._safeObjectId(comment.id)
 			if comment.op?.t?
-				comment.op.t = @_safeObjectId(comment.op.t)
+				comment.op.t = RangeManager._safeObjectId(comment.op.t)
+			updateMetadata(comment.metadata)
 		return ranges
 	
 	_safeObjectId: (data) ->

services/docstore/test/acceptance/coffee/helpers/DocstoreClient.coffee

@@ -48,5 +48,6 @@ module.exports = DocstoreClient =
 
 
 	getS3Doc: (project_id, doc_id, callback = (error, res, body) ->) ->
-		options = DocArchiveManager.buildS3Options(true, project_id+"/"+doc_id)
+		options = DocArchiveManager.buildS3Options(project_id+"/"+doc_id)
+		options.json = true
 		request.get options, callback

services/docstore/test/unit/coffee/DocArchiveManager.coffee

@@ -71,6 +71,7 @@ describe "DocArchiveManager", ->
 			"settings-sharelatex": @settings
 			"./MongoManager": @MongoManager
 			"request": @request
+			"./RangeManager": @RangeManager = {}
 			"logger-sharelatex":
 				log:->
 				err:->
@@ -87,13 +88,22 @@ describe "DocArchiveManager", ->
 			@DocArchiveManager.archiveDoc @project_id, @mongoDocs[0], (err)=>
 				opts = @request.put.args[0][0]
 				assert.deepEqual(opts.aws, {key:@settings.docstore.s3.key, secret:@settings.docstore.s3.secret, bucket:@settings.docstore.s3.bucket})
-				opts.json.should.equal @mongoDocs[0].lines
+				opts.body.should.equal JSON.stringify(
+					lines: @mongoDocs[0].lines
+					ranges: @mongoDocs[0].ranges
+					schema_v: 1
+				)
 				opts.timeout.should.equal (30*1000)
 				opts.uri.should.equal "https://#{@settings.docstore.s3.bucket}.s3.amazonaws.com/#{@project_id}/#{@mongoDocs[0]._id}"
 				done()
 
 		it "should return no md5 error", (done)->
-			@md5 = crypto.createHash("md5").update(JSON.stringify(@mongoDocs[0].lines)).digest("hex")
+			data = JSON.stringify(
+				lines: @mongoDocs[0].lines
+				ranges: @mongoDocs[0].ranges
+				schema_v: 1
+			)
+			@md5 = crypto.createHash("md5").update(data).digest("hex")
 			@request.put = sinon.stub().callsArgWith(1,  null, {statusCode:200,headers:{etag:@md5}})
 			@DocArchiveManager.archiveDoc @project_id, @mongoDocs[0], (err)=>
 				should.not.exist err