Remove sending attachments.

js/link_previews_helper.js

@@ -89,8 +89,8 @@
       }
     }
 
-    const title = window.Signal.LinkPreviews.getTitleMetaTag(html);
-    const imageUrl = window.Signal.LinkPreviews.getImageMetaTag(html);
+    const title = Signal.LinkPreviews.getTitleMetaTag(html);
+    const imageUrl = Signal.LinkPreviews.getImageMetaTag(html);
 
     let image;
     let objectUrl;

js/models/messages.js

@@ -139,6 +139,8 @@
           return;
         }
 
+        // We don't want to save the base64 url in the message as it will increase the size of it
+        // Rather we fetch the base64 later
         this.set({ preview: [result] });
       } catch (e) {
         window.log.warn(`Failed to load previews for message: ${this.id}`);

libtextsecure/sendmessage.js

@@ -307,6 +307,13 @@ MessageSender.prototype = {
     const message = new Message(attrs);
     const silent = false;
 
+    // Remove this when we add support for attachments
+    message.attachmentPointers = null;
+    message.preview = null;
+    if (message.quote) {
+      message.quote.attachments = null;
+    }
+
     return Promise.all([
       this.uploadAttachments(message),
       this.uploadThumbnails(message),