1 /*
2 * e-mail-parser-message-deliverystatus.c
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
10 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, see <http://www.gnu.org/licenses/>.
15 *
16 */
17
18 #include "evolution-config.h"
19
20 #include <string.h>
21
22 #include <e-util/e-util.h>
23
24 #include "e-mail-part-attachment.h"
25 #include "e-mail-part-headers.h"
26 #include "e-mail-parser-extension.h"
27
28 typedef EMailParserExtension EMailParserMessageDeliveryStatus;
29 typedef EMailParserExtensionClass EMailParserMessageDeliveryStatusClass;
30
31 GType e_mail_parser_message_delivery_status_get_type (void);
32
33 G_DEFINE_TYPE (
34 EMailParserMessageDeliveryStatus,
35 e_mail_parser_message_delivery_status,
36 E_TYPE_MAIL_PARSER_EXTENSION)
37
38 static const gchar *parser_mime_types[] = {
39 "message/delivery-status",
40 "message/feedback-report",
41 "message/disposition-notification",
42 "text/rfc822-headers",
43 NULL
44 };
45
46 static gboolean
empe_msg_deliverystatus_parse(EMailParserExtension * extension,EMailParser * parser,CamelMimePart * part,GString * part_id,GCancellable * cancellable,GQueue * out_mail_parts)47 empe_msg_deliverystatus_parse (EMailParserExtension *extension,
48 EMailParser *parser,
49 CamelMimePart *part,
50 GString *part_id,
51 GCancellable *cancellable,
52 GQueue *out_mail_parts)
53 {
54 GQueue work_queue = G_QUEUE_INIT;
55 CamelContentType *ct;
56 EMailPart *mail_part = NULL;
57 gboolean show_inline;
58 gsize len;
59
60 ct = camel_mime_part_get_content_type (part);
61 show_inline = ct && camel_content_type_is (ct, "message", "feedback-report");
62
63 len = part_id->len;
64 g_string_append (part_id, ".delivery-status");
65
66 if (ct && camel_content_type_is (ct, "text", "rfc822-headers")) {
67 CamelMimePart *replace_part;
68 CamelMimeParser *parser;
69 CamelStream *stream;
70 gboolean success;
71
72 show_inline = TRUE;
73
74 stream = camel_stream_mem_new ();
75 parser = camel_mime_parser_new ();
76 replace_part = camel_mime_part_new ();
77
78 success = camel_data_wrapper_decode_to_stream_sync (camel_medium_get_content (CAMEL_MEDIUM (part)), stream, cancellable, NULL);
79 if (success) {
80 g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, cancellable, NULL);
81
82 success = camel_mime_parser_init_with_stream (parser, stream, NULL) != -1;
83 }
84
85 success = success && camel_mime_part_construct_from_parser_sync (replace_part, parser, cancellable, NULL);
86
87 if (success) {
88 const CamelNameValueArray *headers;
89
90 headers = camel_medium_get_headers (CAMEL_MEDIUM (replace_part));
91 success = camel_name_value_array_get_length (headers) > 0;
92 }
93
94 if (success) {
95 mail_part = e_mail_part_headers_new (replace_part, part_id->str);
96 e_mail_part_set_mime_type (mail_part, "text/rfc822-headers");
97 }
98
99 g_object_unref (replace_part);
100 g_object_unref (parser);
101 g_object_unref (stream);
102 }
103
104 if (!mail_part) {
105 mail_part = e_mail_part_new (part, part_id->str);
106 e_mail_part_set_mime_type (mail_part, "text/plain");
107 }
108
109 g_string_truncate (part_id, len);
110
111 g_queue_push_tail (&work_queue, mail_part);
112
113 /* The only reason for having a separate parser for
114 * message/delivery-status is to display the part as an attachment */
115 e_mail_parser_wrap_as_attachment (parser, part, part_id, &work_queue);
116
117 if (!show_inline) {
118 GSettings *settings;
119
120 settings = e_util_ref_settings ("org.gnome.evolution.mail");
121 show_inline = g_settings_get_boolean (settings, "display-delivery-notification-inline");
122 g_object_unref (settings);
123 }
124
125 if (show_inline) {
126 EMailPart *attachment_part;
127
128 attachment_part = g_queue_peek_head (&work_queue);
129 if (attachment_part && E_IS_MAIL_PART_ATTACHMENT (attachment_part))
130 attachment_part->force_inline = TRUE;
131 }
132
133 e_queue_transfer (&work_queue, out_mail_parts);
134
135 return TRUE;
136 }
137
138 static void
e_mail_parser_message_delivery_status_class_init(EMailParserExtensionClass * class)139 e_mail_parser_message_delivery_status_class_init (EMailParserExtensionClass *class)
140 {
141 class->mime_types = parser_mime_types;
142 class->priority = G_PRIORITY_LOW;
143 class->parse = empe_msg_deliverystatus_parse;
144 }
145
146 static void
e_mail_parser_message_delivery_status_init(EMailParserExtension * extension)147 e_mail_parser_message_delivery_status_init (EMailParserExtension *extension)
148 {
149 }
150