diff --git a/services/document-updater/app/coffee/DocumentManager.coffee b/services/document-updater/app/coffee/DocumentManager.coffee
index aa64ac3d7f..38f8a9dac4 100644
--- a/services/document-updater/app/coffee/DocumentManager.coffee
+++ b/services/document-updater/app/coffee/DocumentManager.coffee
@@ -42,7 +42,7 @@ module.exports = DocumentManager =
 					return callback(error) if error?
 					callback null, lines, version, ops
 
-	setDoc: (project_id, doc_id, newLines, _callback = (error) ->) ->
+	setDoc: (project_id, doc_id, newLines, source, user_id, _callback = (error) ->) ->
 		timer = new Metrics.Timer("docManager.setDoc")
 		callback = (args...) ->
 			timer.done()
@@ -68,6 +68,8 @@ module.exports = DocumentManager =
 					v: version
 					meta:
 						type: "external"
+						source: source
+						user_id: user_id
 				UpdateManager.applyUpdates project_id, doc_id, [update], (error) ->
 					return callback(error) if error?
 					DocumentManager.flushDocIfLoaded project_id, doc_id, (error) ->
@@ -114,9 +116,9 @@ module.exports = DocumentManager =
 		UpdateManager = require "./UpdateManager"
 		UpdateManager.lockUpdatesAndDo DocumentManager.getDocAndRecentOps, project_id, doc_id, fromVersion, callback
 		
-	setDocWithLock: (project_id, doc_id, lines, callback = (error) ->) ->
+	setDocWithLock: (project_id, doc_id, lines, source, user_id, callback = (error) ->) ->
 		UpdateManager = require "./UpdateManager"
-		UpdateManager.lockUpdatesAndDo DocumentManager.setDoc, project_id, doc_id, lines, callback
+		UpdateManager.lockUpdatesAndDo DocumentManager.setDoc, project_id, doc_id, lines, source, user_id, callback
 		
 	flushDocIfLoadedWithLock: (project_id, doc_id, callback = (error) ->) ->
 		UpdateManager = require "./UpdateManager"
diff --git a/services/document-updater/app/coffee/HttpController.coffee b/services/document-updater/app/coffee/HttpController.coffee
index 391d02ee37..ef9fb38e19 100644
--- a/services/document-updater/app/coffee/HttpController.coffee
+++ b/services/document-updater/app/coffee/HttpController.coffee
@@ -32,9 +32,11 @@ module.exports = HttpController =
 		doc_id = req.params.doc_id
 		project_id = req.params.project_id
 		lines = req.body.lines
-		logger.log project_id: project_id, doc_id: doc_id, lines: lines, "setting doc via http"
+		source = req.body.source
+		user_id = req.body.user_id
+		logger.log project_id: project_id, doc_id: doc_id, lines: lines, source: source, user_id: user_id, "setting doc via http"
 		timer = new Metrics.Timer("http.setDoc")
-		DocumentManager.setDocWithLock project_id, doc_id, lines, (error) ->
+		DocumentManager.setDocWithLock project_id, doc_id, lines, source, user_id, (error) ->
 			timer.done()
 			return next(error) if error?
 			logger.log project_id: project_id, doc_id: doc_id, "set doc via http"
diff --git a/services/document-updater/test/acceptance/coffee/SettingADocumentTests.coffee b/services/document-updater/test/acceptance/coffee/SettingADocumentTests.coffee
index cc0f30834a..a02cb0250a 100644
--- a/services/document-updater/test/acceptance/coffee/SettingADocumentTests.coffee
+++ b/services/document-updater/test/acceptance/coffee/SettingADocumentTests.coffee
@@ -18,6 +18,8 @@ describe "Setting a document", ->
 			v: 0
 		@result = ["one", "one and a half", "two", "three"]
 		@newLines = ["these", "are", "the", "new", "lines"]
+		@source = "dropbox"
+		@user_id = "user-id-123"
 		MockWebApi.insertDoc @project_id, @doc_id, {
 			lines: @lines
 		}
@@ -30,7 +32,7 @@ describe "Setting a document", ->
 				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) =>
 					throw error if error?
 					setTimeout () =>
-						DocUpdaterClient.setDocLines @project_id, @doc_id, @newLines, (error, res, body) =>
+						DocUpdaterClient.setDocLines @project_id, @doc_id, @newLines, @source, @user_id, (error, res, body) =>
 							@statusCode = res.statusCode
 							done()
 					, 200
diff --git a/services/document-updater/test/acceptance/coffee/helpers/DocUpdaterClient.coffee b/services/document-updater/test/acceptance/coffee/helpers/DocUpdaterClient.coffee
index 4ddef90d26..ec70023876 100644
--- a/services/document-updater/test/acceptance/coffee/helpers/DocUpdaterClient.coffee
+++ b/services/document-updater/test/acceptance/coffee/helpers/DocUpdaterClient.coffee
@@ -43,11 +43,13 @@ module.exports = DocUpdaterClient =
 		request.post "http://localhost:3003/project/#{project_id}/doc/#{doc_id}/flush", (error, res, body) ->
 			callback error, res, body
 
-	setDocLines: (project_id, doc_id, lines, callback = (error) ->) ->
+	setDocLines: (project_id, doc_id, lines, source, user_id, callback = (error) ->) ->
 		request.post {
 			url: "http://localhost:3003/project/#{project_id}/doc/#{doc_id}"
 			json:
 				lines: lines
+				source: source
+				user_id: user_id
 		}, (error, res, body) ->
 			callback error, res, body
 
diff --git a/services/document-updater/test/unit/coffee/DocumentManager/setDocTests.coffee b/services/document-updater/test/unit/coffee/DocumentManager/setDocTests.coffee
index d4b5e931b8..b827b584f8 100644
--- a/services/document-updater/test/unit/coffee/DocumentManager/setDocTests.coffee
+++ b/services/document-updater/test/unit/coffee/DocumentManager/setDocTests.coffee
@@ -22,6 +22,8 @@ describe "DocumentManager - setDoc", ->
 		@version = 42
 		@ops = ["mock-ops"]
 		@callback = sinon.stub()
+		@source = "dropbox"
+		@user_id = "mock-user-id"
 
 	describe "with plain tex lines", ->
 		beforeEach ->
@@ -34,7 +36,7 @@ describe "DocumentManager - setDoc", ->
 				@DiffCodec.diffAsShareJsOp = sinon.stub().callsArgWith(2, null, @ops)
 				@UpdateManager.applyUpdates = sinon.stub().callsArgWith(3, null)
 				@DocumentManager.flushDocIfLoaded = sinon.stub().callsArg(2)
-				@DocumentManager.setDoc @project_id, @doc_id, @afterLines, @callback
+				@DocumentManager.setDoc @project_id, @doc_id, @afterLines, @source, @user_id, @callback
 
 			it "should get the current doc lines", ->
 				@DocumentManager.getDoc
@@ -48,7 +50,20 @@ describe "DocumentManager - setDoc", ->
 
 			it "should apply the diff as a ShareJS op", ->
 				@UpdateManager.applyUpdates
-					.calledWith(@project_id, @doc_id, [doc: @doc_id, v: @version, op: @ops, meta: { type: "external" }])
+					.calledWith(
+						@project_id,
+						@doc_id,
+						[
+							doc: @doc_id,
+							v: @version,
+							op: @ops,
+							meta: {
+								type: "external"
+								source: @source
+								user_id: @user_id
+							}
+						]
+					)
 					.should.equal true
 
 			it "should flush the doc to Mongo", ->
@@ -62,30 +77,6 @@ describe "DocumentManager - setDoc", ->
 			it "should time the execution", ->
 				@Metrics.Timer::done.called.should.equal true
 
-	describe "with json lines", ->
-		beforeEach ->
-			@beforeLines = [text: "before", text: "lines"]
-			@afterLines = ["after", "lines"]
-			
-		describe "successfully", ->
-			beforeEach ->
-				@DocumentManager.getDoc = sinon.stub().callsArgWith(2, null, @beforeLines, @version)
-				@DiffCodec.diffAsShareJsOp = sinon.stub().callsArgWith(2, null, @ops)
-				@UpdateManager.applyUpdates = sinon.stub().callsArgWith(3, null)
-				@DocumentManager.flushDocIfLoaded = sinon.stub().callsArg(2)
-				@DocumentManager.setDoc @project_id, @doc_id, @afterLines, @callback
-
-			it "should get the current doc lines", ->
-				@DocumentManager.getDoc
-					.calledWith(@project_id, @doc_id)
-					.should.equal true
-
-			it "should return not try to get a diff", ->
-				@DiffCodec.diffAsShareJsOp.called.should.equal false
-
-			it "should call the callback", ->
-				@callback.calledWith(null).should.equal true
-
 	describe "without new lines", ->
 		beforeEach ->
 			@DocumentManager.getDoc = sinon.stub().callsArgWith(2, null, @beforeLines, @version)
@@ -96,7 +87,7 @@ describe "DocumentManager - setDoc", ->
 			
 		it "should not try to get the doc lines", ->
 			@DocumentManager.getDoc.called.should.equal false
-			
+
 		
 
 		
diff --git a/services/document-updater/test/unit/coffee/HttpController/setDocTests.coffee b/services/document-updater/test/unit/coffee/HttpController/setDocTests.coffee
index 2c3924c030..dd2a7c1d59 100644
--- a/services/document-updater/test/unit/coffee/HttpController/setDocTests.coffee
+++ b/services/document-updater/test/unit/coffee/HttpController/setDocTests.coffee
@@ -19,6 +19,8 @@ describe "HttpController - setDoc", ->
 		@project_id = "project-id-123"
 		@doc_id = "doc-id-123"
 		@lines = ["one", "two", "three"]
+		@source = "dropbox"
+		@user_id = "user-id-123"
 		@res =
 			send: sinon.stub()
 		@req =
@@ -27,16 +29,18 @@ describe "HttpController - setDoc", ->
 				doc_id: @doc_id
 			body:
 				lines: @lines
+				source: @source
+				user_id: @user_id
 		@next = sinon.stub()
 
 	describe "successfully", ->
 		beforeEach ->
-			@DocumentManager.setDocWithLock = sinon.stub().callsArgWith(3)
+			@DocumentManager.setDocWithLock = sinon.stub().callsArgWith(5)
 			@HttpController.setDoc(@req, @res, @next)
 
 		it "should set the doc", ->
 			@DocumentManager.setDocWithLock
-				.calledWith(@project_id, @doc_id)
+				.calledWith(@project_id, @doc_id, @lines, @source, @user_id)
 				.should.equal true
 
 		it "should return a successful No Content response", ->
@@ -46,7 +50,7 @@ describe "HttpController - setDoc", ->
 
 		it "should log the request", ->
 			@logger.log
-				.calledWith(doc_id: @doc_id, project_id: @project_id, lines: @lines, "setting doc via http")
+				.calledWith(doc_id: @doc_id, project_id: @project_id, lines: @lines, source: @source, user_id: @user_id, "setting doc via http")
 				.should.equal true
 
 		it "should time the request", ->
@@ -54,7 +58,7 @@ describe "HttpController - setDoc", ->
 
 	describe "when an errors occurs", ->
 		beforeEach ->
-			@DocumentManager.setDocWithLock = sinon.stub().callsArgWith(3, new Error("oops"))
+			@DocumentManager.setDocWithLock = sinon.stub().callsArgWith(5, new Error("oops"))
 			@HttpController.setDoc(@req, @res, @next)
 
 		it "should call next with the error", ->