From deb32bded40c4c46ce57c729c303edcb1915458b Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 8 Nov 2022 22:05:03 +0100
Subject: html parser: fix possible endless loop. Fixes matrix chat where
 parsing non-html as html happened

---
 src/QuickMedia.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/QuickMedia.cpp')

diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index 72df6eb..c9c7603 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -5319,10 +5319,17 @@ namespace QuickMedia {
         return load_cached_related_embedded_item(body_item, message, me.get(), current_room->get_user_display_name(me), me->user_id, message_body_items);
     }
 
+    static std::string message_to_qm_text(Message *message) {
+        if(message->body_is_formatted)
+            return formatted_text_to_qm_text(message->body.c_str(), message->body.size(), true);
+        else
+            return message->body;
+    }
+
     static std::shared_ptr<BodyItem> message_to_body_item(RoomData *room, Message *message, const std::string &my_display_name, const std::string &my_user_id) {
         auto body_item = BodyItem::create("");
         body_item->set_author(extract_first_line_remove_newline_elipses(room->get_user_display_name(message->user), AUTHOR_MAX_LENGTH));
-        body_item->set_description(strip(formatted_text_to_qm_text(message->body.c_str(), message->body.size(), true)));
+        body_item->set_description(strip(message_to_qm_text(message)));
         body_item->set_timestamp(message->timestamp);
         if(!message->thumbnail_url.empty()) {
             body_item->thumbnail_url = message->thumbnail_url;
@@ -5652,7 +5659,7 @@ namespace QuickMedia {
                             // TODO: Properly check reply message objects for mention of user instead of message data, but only when synapse fixes that notifications
                             // are not triggered by reply to a message with our display name/user id.
                             Message *edited_message_ref = static_cast<Message*>(body_item->userdata);
-                            std::string qm_formatted_text = formatted_text_to_qm_text(message->body.c_str(), message->body.size(), true);
+                            std::string qm_formatted_text = message_to_qm_text(message.get());
 
                             body_item->set_description(std::move(qm_formatted_text));
                             if(message->user != me && message_contains_user_mention(message.get(), my_display_name, me->user_id))
@@ -6116,6 +6123,7 @@ namespace QuickMedia {
                  }
 
                 auto message = std::make_shared<Message>();
+                message->body_is_formatted = true;
                 message->user = matrix->get_me(current_room);
                 if(msgtype == "m.emote")
                     message->body = "*" + current_room->get_user_display_name(me) + "* " + matrix->body_to_formatted_body(current_room, text);
-- 
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