Check targetTimestamp when looking for out-of-order reactions

js/conversation_controller.js

@@ -181,6 +181,11 @@
 
       return null;
     },
+    getOurConversationId() {
+      const e164 = textsecure.storage.user.getNumber();
+      const uuid = textsecure.storage.user.getUuid();
+      return this.getConversationId(e164 || uuid);
+    },
     prepareForSend(id, options) {
       // id is any valid conversation identifier
       const conversation = this.get(id);

js/reactions.js

@@ -31,7 +31,9 @@
         const recid = ConversationController.getConversationId(
           re.get('targetAuthorE164') || re.get('targetAuthorUuid')
         );
-        return mcid === recid;
+        const mTime = message.get('sent_at');
+        const rTime = re.get('targetTimestamp');
+        return mcid === recid && mTime === rTime;
       });
 
       if (reactionsBySource.length > 0) {
@@ -51,13 +53,15 @@
           }
         );
 
-        const targetMessage = messages.find(
-          m =>
-            m.get('source') === reaction.get('targetAuthorE164') ||
-            // Outgoing messages don't have a source and are extremely unlikely
-            // to have the same timestamp
-            m.isOutgoing()
+        const targetMessage = messages.find(m => {
+          const mcid = m.isOutgoing()
+            ? ConversationController.getOurConversationId()
+            : m.get('conversationId');
+          const recid = ConversationController.getConversationId(
+            reaction.get('targetAuthorE164') || reaction.get('targetAuthorUuid')
           );
+          return mcid === recid;
+        });
 
         if (!targetMessage) {
           window.log.info(

ts/util/lint/exceptions.json

@@ -164,17 +164,17 @@
     "rule": "jQuery-load(",
     "path": "js/conversation_controller.js",
     "line": "    async load() {",
-    "lineNumber": 210,
+    "lineNumber": 215,
     "reasonCategory": "falseMatch",
-    "updated": "2020-02-14T20:02:37.507Z"
+    "updated": "2020-03-24T20:06:31.391Z"
   },
   {
     "rule": "jQuery-load(",
     "path": "js/conversation_controller.js",
     "line": "      this._initialPromise = load();",
-    "lineNumber": 255,
+    "lineNumber": 260,
     "reasonCategory": "falseMatch",
-    "updated": "2020-02-14T20:02:37.507Z"
+    "updated": "2020-03-24T20:06:31.391Z"
   },
   {
     "rule": "jQuery-$(",