[evolution] Bug 672129 - Content-Disposition header confuses mail parser for text/plain

[Milan Crha <mcrha src gnome org>]

commit 0d626266fd0e648046f4e9b6b9d086f6ada28af3
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 29 21:35:58 2015 +0200

    Bug 672129 - Content-Disposition header confuses mail parser for text/plain

 em-format/e-mail-parser-text-plain.c |   43 ++++++++++++++++++++++++++++++++-
 1 files changed, 41 insertions(+), 2 deletions(-)
---
diff --git a/em-format/e-mail-parser-text-plain.c b/em-format/e-mail-parser-text-plain.c
index ef3e4f7..ccb371d 100644
--- a/em-format/e-mail-parser-text-plain.c
+++ b/em-format/e-mail-parser-text-plain.c
@@ -26,6 +26,7 @@
 
 #include "e-mail-inline-filter.h"
 #include "e-mail-parser-extension.h"
+#include "e-mail-part-attachment.h"
 #include "e-mail-part-utils.h"
 
 typedef EMailParserExtension EMailParserTextPlain;
@@ -160,13 +161,51 @@ empe_text_plain_parse (EMailParserExtension *extension,
        g_object_unref (filtered_stream);
 
        if (!e_mail_inline_filter_found_any (inline_filter)) {
+               gboolean handled = FALSE;
+
+               is_attachment = e_mail_part_is_attachment (part);
+
+               if (is_attachment && CAMEL_IS_MIME_MESSAGE (part) &&
+                   !(camel_content_type_is (dw->mime_type, "text", "*")
+                    && camel_mime_part_get_filename (part) == NULL)) {
+                       EMailPartAttachment *empa;
+
+                       /* The main message part has a Content-Disposition header */
+                       is_attachment = FALSE;
+
+                       e_mail_parser_wrap_as_attachment (parser, part, part_id, out_mail_parts);
+
+                       /* attachments are added to the head */
+                       empa = g_queue_peek_head (out_mail_parts);
+                       g_warn_if_fail (E_IS_MAIL_PART_ATTACHMENT (empa));
+
+                       if (E_IS_MAIL_PART_ATTACHMENT (empa)) {
+                               EAttachment *attachment;
+                               CamelMimePart *att_part;
+
+                               empa->shown = FALSE;
+                               attachment = e_mail_part_attachment_ref_attachment (empa);
+                               e_attachment_set_shown (attachment, FALSE);
+                               e_attachment_set_can_show (attachment, FALSE);
+
+                               att_part = e_attachment_ref_mime_part (attachment);
+                               if (att_part)
+                                       camel_mime_part_set_disposition (att_part, NULL);
+
+                               g_clear_object (&att_part);
+                               g_clear_object (&attachment);
+                       }
+
+                       handled = TRUE;
+               }
+
                g_object_unref (inline_filter);
                camel_content_type_unref (type);
 
                return process_part (
                        parser, part_id, 0,
-                       part, e_mail_part_is_attachment (part),
-                       cancellable, out_mail_parts);
+                       part, is_attachment,
+                       cancellable, out_mail_parts) || handled;
        }
 
        mp = e_mail_inline_filter_get_multipart (inline_filter);