Make sure message body is treated as plain text

The previous code deviated from the spec, trying to guess on the content type of body as if there could be HTML in some cases. The spec openly states that 'body' value should always be in plain text.

1 files changed, 3 insertions, 2 deletions

diff --git a/events/roommessageevent.cpp b/events/roommessageevent.cpp
index 34315363..f5dcb7d0 100644
--- a/events/roommessageevent.cpp
+++ b/events/roommessageevent.cpp
@@ -155,9 +155,10 @@ TextContent::TextContent(const QJsonObject& json)
         mimeType = db.mimeTypeForName("text/html");
         body = json["formatted_body"].toString();
     } else {
-        // Best-guessing from the content
+        // Falling back to plain text, as there's no standard way to describe
+        // rich text in messages.
         body = json["body"].toString();
-        mimeType = db.mimeTypeForData(body.toUtf8());
+        mimeType = db.mimeTypeForName("text/plain");
     }
 }