1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include <gtkhtml/gtkhtml.h>
32 #include <tny-gtk-text-buffer-stream.h>
33 #include <tny-simple-list.h>
34 #include <tny-folder.h>
35 #include <modest-runtime.h>
36 #include <modest-defs.h>
37 #include "modest-formatter.h"
38 #include <tny-camel-mem-stream.h>
39 #include <tny-camel-mime-part.h>
40 #include <glib/gprintf.h>
41 #include <modest-tny-folder.h>
42 #include "modest-tny-mime-part.h"
43 #include <modest-error.h>
48 #endif /*HAVE_CONFIG_H */
50 #include <modest-tny-msg.h>
51 #include "modest-text-utils.h"
53 static TnyMimePart * add_body_part (TnyMsg *msg, const gchar *body,
54 const gchar *content_type);
55 static TnyMimePart * add_html_body_part (TnyMsg *msg, const gchar *body);
56 static gint add_attachments (TnyMimePart *part, GList *attachments_list, gboolean add_inline, GError **err);
57 static void add_images (TnyMsg *msg, GList *attachments_list, GError **err);
58 static char * get_content_type(const gchar *s);
59 static gboolean is_ascii(const gchar *s);
63 modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
64 const gchar *bcc, const gchar* subject,
65 const gchar *references, const gchar *in_reply_to,
67 GList *attachments, gint *attached, GError **err)
72 gint tmp_attached = 0;
75 new_msg = modest_formatter_create_message (NULL, TRUE, (attachments != NULL), FALSE);
76 header = tny_msg_get_header (new_msg);
78 if ((from != NULL) && (strlen(from) > 0)) {
79 tny_header_set_from (TNY_HEADER (header), from);
80 tny_header_set_replyto (TNY_HEADER (header), from);
82 if ((mailto != NULL) && (strlen(mailto) > 0)) {
83 gchar *removed_to = modest_text_utils_remove_duplicate_addresses (mailto);
84 tny_header_set_to (TNY_HEADER (header), removed_to);
87 if ((cc != NULL) && (strlen(cc) > 0))
88 tny_header_set_cc (TNY_HEADER (header), cc);
89 if ((bcc != NULL) && (strlen(bcc) > 0))
90 tny_header_set_bcc (TNY_HEADER (header), bcc);
92 if ((subject != NULL) && (strlen(subject) > 0))
93 tny_header_set_subject (TNY_HEADER (header), subject);
95 content_type = get_content_type(body);
97 /* set modest as the X-Mailer
98 * we could this in the platform factory, but then the header
99 * would show up before all the others.
101 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "X-Mailer", "Modest "
105 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "References", references);
108 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "In-Reply-To", in_reply_to);
110 /* Add the body of the new mail */
111 /* This is needed even if body is NULL or empty. */
112 add_body_part (new_msg, body, content_type);
113 g_free (content_type);
115 /* Add attachments */
117 tmp_attached = add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE, err);
119 *attached = tmp_attached;
121 g_object_unref(header);
127 modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gchar *cc,
128 const gchar *bcc, const gchar* subject,
129 const gchar *references, const gchar *in_reply_to,
130 const gchar *html_body, const gchar *plain_body,
131 GList *attachments, GList *images, gint *attached, GError **err)
139 new_msg = modest_formatter_create_message (NULL, FALSE, (attachments != NULL), (images != NULL));
140 header = tny_msg_get_header (new_msg);
142 if ((from != NULL) && (strlen(from) > 0)) {
143 tny_header_set_from (TNY_HEADER (header), from);
144 tny_header_set_replyto (TNY_HEADER (header), from);
146 if ((mailto != NULL) && (strlen(mailto) > 0))
147 tny_header_set_to (TNY_HEADER (header), mailto);
148 if ((cc != NULL) && (strlen(cc) > 0))
149 tny_header_set_cc (TNY_HEADER (header), cc);
150 if ((bcc != NULL) && (strlen(bcc) > 0))
151 tny_header_set_bcc (TNY_HEADER (header), bcc);
153 if ((subject != NULL) && (strlen(subject) > 0))
154 tny_header_set_subject (TNY_HEADER (header), subject);
156 content_type = get_content_type(plain_body);
158 /* set modest as the X-Mailer
159 * we could this in the platform factory, but then the header
160 * would show up before all the others.
162 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "X-Mailer", "Modest "
166 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "References", references);
169 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "In-Reply-To", in_reply_to);
171 /* Add the body of the new mail */
172 add_body_part (new_msg, plain_body, content_type);
173 add_html_body_part (new_msg, html_body);
174 g_free (content_type);
176 /* Add attachments */
177 tmp_attached = add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE, err);
179 *attached = tmp_attached;
180 add_images (new_msg, images, err);
182 g_object_unref(header);
188 /* FIXME: this func copy from modest-mail-operation: refactor */
190 add_body_part (TnyMsg *msg,
192 const gchar *content_type)
194 TnyMimePart *text_body_part = NULL;
195 TnyStream *text_body_stream;
197 /* Create the stream */
198 text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
199 (body, (body ? strlen(body) : 0)));
201 text_body_part = modest_formatter_create_body_part (NULL, msg);
203 /* Construct MIME part */
204 tny_stream_reset (text_body_stream);
205 tny_mime_part_construct (text_body_part,
207 content_type, "7bit");
208 tny_stream_reset (text_body_stream);
210 g_object_unref (G_OBJECT(text_body_part));
213 g_object_unref (text_body_stream);
215 return text_body_part;
219 add_html_body_part (TnyMsg *msg,
222 TnyMimePart *html_body_part = NULL;
223 TnyStream *html_body_stream;
225 /* Create the stream */
226 html_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
227 (body, strlen(body)));
229 /* Create body part if needed */
230 html_body_part = modest_formatter_create_body_part (NULL, msg);
232 /* Construct MIME part */
233 tny_stream_reset (html_body_stream);
234 tny_mime_part_construct (html_body_part,
236 "text/html; charset=utf-8",
237 "7bit"); /* Sometimes it might be needed
238 to make this one a 8bit! */
239 tny_stream_reset (html_body_stream);
241 g_object_unref (G_OBJECT(html_body_part));
244 g_object_unref (html_body_stream);
246 return html_body_part;
250 copy_mime_part (TnyMimePart *part, GError **err)
252 TnyMimePart *result = NULL;
253 const gchar *attachment_content_type;
254 const gchar *attachment_filename;
255 const gchar *attachment_cid;
257 TnyIterator *iterator;
258 TnyStream *attachment_stream;
262 if (TNY_IS_MSG (part)) {
267 result = tny_platform_factory_new_mime_part (
268 modest_runtime_get_platform_factory());
270 attachment_content_type = tny_mime_part_get_content_type (part);
272 /* get mime part headers */
273 attachment_filename = tny_mime_part_get_filename (part);
274 attachment_cid = tny_mime_part_get_content_id (part);
276 /* fill the stream */
277 attachment_stream = tny_mime_part_get_decoded_stream (part);
278 enc = tny_mime_part_get_transfer_encoding (part);
279 if (attachment_stream == NULL) {
280 if (err != NULL && *err == NULL)
281 g_set_error (err, MODEST_MAIL_OPERATION_ERROR, MODEST_MAIL_OPERATION_ERROR_FILE_IO, _("TODO: couldn't retrieve attachment"));
282 g_object_unref (result);
285 ret = tny_stream_reset (attachment_stream);
286 ret = tny_mime_part_construct (result,
288 attachment_content_type,
290 ret = tny_stream_reset (attachment_stream);
293 /* set other mime part fields */
294 tny_mime_part_set_filename (result, attachment_filename);
295 tny_mime_part_set_content_id (result, attachment_cid);
298 parts = tny_simple_list_new ();
299 tny_mime_part_get_parts (part, parts);
300 iterator = tny_list_create_iterator (parts);
301 while (!tny_iterator_is_done (iterator)) {
302 TnyMimePart *subpart = TNY_MIME_PART (tny_iterator_get_current (iterator));
304 const gchar *subpart_cid;
305 TnyMimePart *subpart_copy = copy_mime_part (subpart, err);
306 if (subpart_copy != NULL) {
307 subpart_cid = tny_mime_part_get_content_id (subpart);
308 tny_mime_part_add_part (result, subpart_copy);
310 tny_mime_part_set_content_id (result, subpart_cid);
311 g_object_unref (subpart_copy);
313 g_object_unref (subpart);
316 tny_iterator_next (iterator);
318 g_object_unref (iterator);
319 g_object_unref (parts);
320 g_object_unref (attachment_stream);
326 add_attachments (TnyMimePart *part, GList *attachments_list, gboolean add_inline, GError **err)
329 TnyMimePart *attachment_part, *old_attachment;
333 for (pos = (GList *)attachments_list; pos; pos = pos->next) {
335 old_attachment = pos->data;
336 if (!tny_mime_part_is_purged (old_attachment)) {
338 old_cid = g_strdup (tny_mime_part_get_content_id (old_attachment));
339 attachment_part = copy_mime_part (old_attachment, err);
340 if (attachment_part != NULL) {
342 tny_mime_part_set_header_pair (attachment_part, "Content-Disposition",
345 const gchar *filename;
346 filename = tny_mime_part_get_filename (old_attachment);
348 tny_mime_part_set_filename (attachment_part, filename);
350 tny_mime_part_set_header_pair (attachment_part, "Content-Disposition",
353 if (!TNY_IS_MSG (old_attachment)) {
354 tny_mime_part_set_transfer_encoding (TNY_MIME_PART (attachment_part), "base64");
356 ret = tny_mime_part_add_part (TNY_MIME_PART (part), attachment_part);
359 tny_mime_part_set_content_id (attachment_part, old_cid);
360 g_object_unref (attachment_part);
369 add_images (TnyMsg *msg, GList *images_list, GError **err)
371 TnyMimePart *related_part = NULL;
372 const gchar *content_type;
374 content_type = tny_mime_part_get_content_type (TNY_MIME_PART (msg));
376 if ((content_type != NULL) && !strcasecmp (content_type, "multipart/related")) {
377 related_part = g_object_ref (msg);
378 } else if ((content_type != NULL) && !strcasecmp (content_type, "multipart/mixed")) {
379 TnyList *parts = TNY_LIST (tny_simple_list_new ());
380 TnyIterator *iter = NULL;
381 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
382 iter = tny_list_create_iterator (parts);
384 while (!tny_iterator_is_done (iter)) {
385 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
386 if (part && !g_ascii_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
391 g_object_unref (part);
392 tny_iterator_next (iter);
394 g_object_unref (iter);
395 g_object_unref (parts);
398 if (related_part != NULL) {
399 /* TODO: attach images in their proper place */
400 add_attachments (related_part, images_list, TRUE, err);
401 g_object_unref (related_part);
407 modest_tny_msg_get_body (TnyMsg *msg, gboolean want_html, gboolean *is_html)
412 GtkTextIter start, end;
414 gboolean result_was_html = TRUE;
416 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
418 body = modest_tny_msg_find_body_part(msg, want_html);
422 buf = gtk_text_buffer_new (NULL);
423 stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
424 tny_stream_reset (stream);
425 tny_mime_part_decode_to_stream (body, stream, NULL);
426 tny_stream_reset (stream);
428 gtk_text_buffer_get_bounds (buf, &start, &end);
429 to_quote = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
430 if (tny_mime_part_content_type_is (body, "text/plain")) {
431 gchar *to_quote_converted = modest_text_utils_convert_to_html (to_quote);
433 to_quote = to_quote_converted;
434 result_was_html = FALSE;
437 g_object_unref (buf);
438 g_object_unref (G_OBJECT(stream));
439 g_object_unref (G_OBJECT(body));
442 *is_html = result_was_html;
449 modest_tny_msg_find_body_part_in_alternative (TnyMimePart *msg, gboolean want_html)
453 TnyMimePart *part = NULL;
454 TnyMimePart *first_part = NULL;
455 const gchar *desired_mime_type = want_html ? "text/html" : "text/plain";
457 parts = TNY_LIST (tny_simple_list_new());
458 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
460 for (iter = tny_list_create_iterator(parts);
461 !tny_iterator_is_done (iter);
462 tny_iterator_next (iter)) {
466 part = TNY_MIME_PART (tny_iterator_get_current (iter));
468 if (first_part == NULL) {
474 content_type = g_ascii_strdown (tny_mime_part_get_content_type (part), -1);
475 is_body = g_str_has_prefix (content_type, desired_mime_type);
479 g_object_unref (part);
483 g_object_unref (iter);
484 g_object_unref (parts);
489 if (first_part) g_object_unref (first_part);
495 modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_html)
497 TnyMimePart *part = NULL;
498 TnyList *parts = NULL;
499 TnyIterator *iter = NULL;
500 gchar *header_content_type;
501 gchar *header_content_type_lower = NULL;
506 /* If it's an application multipart, then we don't get into as we don't
507 * support them (for example application/sml or wap messages */
508 header_content_type = modest_tny_mime_part_get_header_value (msg, "Content-Type");
509 if (header_content_type) {
510 header_content_type = g_strstrip (header_content_type);
511 header_content_type_lower = g_ascii_strdown (header_content_type, -1);
513 if (header_content_type_lower &&
514 g_str_has_prefix (header_content_type_lower, "multipart/") &&
515 !g_str_has_prefix (header_content_type_lower, "multipart/signed") &&
516 strstr (header_content_type_lower, "application/")) {
517 g_free (header_content_type_lower);
518 g_free (header_content_type);
521 if (header_content_type_lower &&
522 g_str_has_prefix (header_content_type_lower, "multipart/alternative")) {
523 g_free (header_content_type_lower);
524 g_free (header_content_type);
525 return modest_tny_msg_find_body_part_in_alternative (msg, want_html);
527 g_free (header_content_type_lower);
528 g_free (header_content_type);
530 parts = TNY_LIST (tny_simple_list_new());
531 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
533 iter = tny_list_create_iterator(parts);
535 /* no parts? assume it's single-part message */
536 if (tny_iterator_is_done(iter)) {
538 gboolean is_text_part;
539 g_object_unref (G_OBJECT(iter));
540 content_type = modest_tny_mime_part_get_content_type (msg);
541 if (content_type == NULL)
544 g_str_has_prefix (content_type, "text/");
545 g_free (content_type);
546 /* if this part cannot be a supported body return NULL */
550 return TNY_MIME_PART (g_object_ref(G_OBJECT(msg)));
554 gchar *tmp, *content_type = NULL;
555 gboolean has_content_disp_name = FALSE;
557 part = TNY_MIME_PART(tny_iterator_get_current (iter));
560 g_warning ("%s: not a valid mime part", __FUNCTION__);
561 tny_iterator_next (iter);
565 /* it's a message --> ignore */
566 if (part && TNY_IS_MSG (part)) {
567 g_object_unref (part);
569 tny_iterator_next (iter);
573 /* we need to strdown the content type, because
574 * tny_mime_part_has_content_type does not do it...
576 content_type = g_ascii_strdown (tny_mime_part_get_content_type (part), -1);
578 /* mime-parts with a content-disposition header (either 'inline' or 'attachment')
579 * and a 'name=' thingy cannot be body parts
582 tmp = modest_tny_mime_part_get_header_value (part, "Content-Disposition");
584 gchar *content_disp = g_ascii_strdown(tmp, -1);
586 has_content_disp_name = g_strstr_len (content_disp, strlen(content_disp), "name=") != NULL;
587 g_free (content_disp);
590 if (g_str_has_prefix (content_type, "text/") &&
591 !has_content_disp_name &&
592 !modest_tny_mime_part_is_attachment_for_modest (part)) {
593 /* we found the body. Doesn't have to be the desired mime part, first
594 text/ part in a mixed is the body */
595 g_free (content_type);
598 } else if (g_str_has_prefix(content_type, "multipart/alternative")) {
600 /* multipart? recurse! */
601 g_object_unref (part);
602 g_free (content_type);
603 part = modest_tny_msg_find_body_part_in_alternative (part, want_html);
607 } else if (g_str_has_prefix(content_type, "multipart")) {
609 /* multipart? recurse! */
610 g_object_unref (part);
611 g_free (content_type);
612 part = modest_tny_msg_find_body_part_from_mime_part (part, want_html);
616 g_free (content_type);
619 g_object_unref (G_OBJECT(part));
623 tny_iterator_next (iter);
625 } while (!tny_iterator_is_done(iter));
628 g_object_unref (G_OBJECT(iter));
629 g_object_unref (G_OBJECT(parts));
631 return part; /* this maybe NULL, this is not an error; some message just don't have a body
637 modest_tny_msg_find_body_part (TnyMsg *msg, gboolean want_html)
639 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
641 return modest_tny_msg_find_body_part_from_mime_part (TNY_MIME_PART(msg),
646 #define MODEST_TNY_MSG_PARENT_UID "parent-uid"
649 create_reply_forward_mail (TnyMsg *msg, TnyHeader *header, const gchar *from,
650 const gchar *signature, gboolean is_reply,
651 guint type /*ignored*/, GList *attachments)
654 TnyHeader *new_header;
657 TnyMimePart *body = NULL;
658 TnyMimePart *html_body = NULL;
659 ModestFormatter *formatter;
660 gchar *subject_prefix;
661 gboolean no_text_part;
663 gboolean forward_as_attach = FALSE;
666 g_object_ref (header);
668 header = tny_msg_get_header (msg);
670 /* Get body from original msg. Always look for the text/plain
671 part of the message to create the reply/forwarded mail */
673 body = modest_tny_msg_find_body_part (msg, FALSE);
674 html_body = modest_tny_msg_find_body_part (msg, TRUE);
677 if (modest_conf_get_bool (modest_runtime_get_conf (), MODEST_CONF_PREFER_FORMATTED_TEXT,
679 formatter = modest_formatter_new ("text/html", signature);
681 formatter = modest_formatter_new ("text/plain", signature);
684 /* if we don't have a text-part */
685 no_text_part = (!body) || (strcmp (tny_mime_part_get_content_type (body), "text/html")==0);
687 /* when we're reply, include the text part if we have it, or nothing otherwise. */
689 new_msg = modest_formatter_quote (formatter, body, header,
692 if (no_text_part || (html_body && (strcmp (tny_mime_part_get_content_type (html_body), "text/html")==0))) {
693 forward_as_attach = TRUE;
694 new_msg = modest_formatter_attach (formatter, msg, header);
696 forward_as_attach = FALSE;
697 new_msg = modest_formatter_inline (formatter, body, header,
702 g_object_unref (G_OBJECT(formatter));
704 g_object_unref (G_OBJECT(body));
706 g_object_unref (G_OBJECT(html_body));
708 /* Fill the header */
709 new_header = tny_msg_get_header (new_msg);
710 tny_header_set_from (new_header, from);
711 tny_header_set_replyto (new_header, from);
713 /* Change the subject */
715 subject_prefix = g_strconcat (_("mail_va_re"), ":", NULL);
717 subject_prefix = g_strconcat (_("mail_va_fw"), ":", NULL);
718 old_subject = tny_header_dup_subject (header);
720 (gchar *) modest_text_utils_derived_subject (old_subject,
722 g_free (old_subject);
723 g_free (subject_prefix);
724 tny_header_set_subject (new_header, (const gchar *) new_subject);
725 g_free (new_subject);
727 /* get the parent uid, and set it as a gobject property on the new msg */
728 parent_uid = modest_tny_folder_get_header_unique_id (header);
729 g_object_set_data_full (G_OBJECT(new_msg), MODEST_TNY_MSG_PARENT_UID,
732 /* set modest as the X-Mailer
733 * we could this in the platform factory, but then the header
734 * would show up before all the others.
736 tny_mime_part_set_header_pair (TNY_MIME_PART (msg), "X-Mailer", "Modest "
740 g_object_unref (G_OBJECT (new_header));
741 g_object_unref (G_OBJECT (header));
742 /* ugly to unref it here instead of in the calling func */
744 if (!is_reply & !forward_as_attach) {
745 add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE, NULL);
752 modest_tny_msg_get_parent_uid (TnyMsg *msg)
754 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
756 return g_object_get_data (G_OBJECT(msg), MODEST_TNY_MSG_PARENT_UID);
759 static gchar *get_signed_protocol (TnyMimePart *part)
761 TnyList *header_pairs;
762 TnyIterator *iterator;
763 gchar *result = NULL;
765 header_pairs = TNY_LIST (tny_simple_list_new ());
766 tny_mime_part_get_header_pairs (part, header_pairs);
767 iterator = tny_list_create_iterator (header_pairs);
769 while (!result && !tny_iterator_is_done (iterator)) {
773 pair = TNY_PAIR (tny_iterator_get_current (iterator));
774 name = tny_pair_get_name (pair);
775 if (name && !g_ascii_strcasecmp (name, "Content-Type")) {
777 s = tny_pair_get_value (pair);
779 s = strstr (s, "protocol=");
785 t = strstr (s, "\"");
789 result = g_strndup (s, t - s);
794 g_object_unref (pair);
795 tny_iterator_next (iterator);
798 g_object_unref (iterator);
799 g_object_unref (header_pairs);
805 modest_tny_msg_get_attachments_parent (TnyMsg *msg)
808 const gchar *content_type;
812 content_type = tny_mime_part_get_content_type (TNY_MIME_PART (msg));
813 if (content_type && !strcmp (content_type, "multipart/signed")) {
814 TnyList *msg_children;
815 TnyIterator *iterator;
816 gchar *signed_protocol;
818 msg_children = TNY_LIST (tny_simple_list_new ());
819 tny_mime_part_get_parts (TNY_MIME_PART (msg), msg_children);
821 iterator = tny_list_create_iterator (msg_children);
822 signed_protocol = get_signed_protocol (TNY_MIME_PART (msg));
824 while (!result && !tny_iterator_is_done (iterator)) {
827 part = TNY_MIME_PART (tny_iterator_get_current (iterator));
828 if (signed_protocol) {
829 const gchar *part_content_type;
831 part_content_type = tny_mime_part_get_content_type (part);
832 if (part_content_type && g_ascii_strcasecmp (part_content_type, signed_protocol)) {
833 result = g_object_ref (part);
836 result = g_object_ref (part);
839 g_object_unref (part);
840 tny_iterator_next (iterator);
843 g_object_unref (iterator);
844 g_free (signed_protocol);
845 g_object_unref (msg_children);
847 if (result == NULL) {
848 result = g_object_ref (msg);
857 add_if_attachment (gpointer data, gpointer user_data)
860 GList **attachments_list;
862 part = TNY_MIME_PART (data);
863 attachments_list = ((GList **) user_data);
865 if ((tny_mime_part_is_attachment (part))||(TNY_IS_MSG (part))) {
866 *attachments_list = g_list_prepend (*attachments_list, part);
872 modest_tny_msg_create_forward_msg (TnyMsg *msg,
874 const gchar *signature,
875 ModestTnyMsgForwardType forward_type)
878 TnyList *parts = NULL;
879 GList *attachments_list = NULL;
880 TnyMimePart *part_to_check = NULL;
882 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
884 part_to_check = modest_tny_msg_get_attachments_parent (TNY_MSG (msg));
886 /* Add attachments */
887 parts = TNY_LIST (tny_simple_list_new());
888 tny_mime_part_get_parts (TNY_MIME_PART (part_to_check), parts);
889 tny_list_foreach (parts, add_if_attachment, &attachments_list);
891 new_msg = create_reply_forward_mail (msg, NULL, from, signature, FALSE, forward_type,
895 if (attachments_list) {
896 g_list_foreach (attachments_list, (GFunc) g_object_unref, NULL);
897 g_list_free (attachments_list);
899 g_object_unref (G_OBJECT (parts));
900 g_object_unref (part_to_check);
908 count_addresses (const gchar* addresses)
916 if (*addresses == ',' || *addresses == ';')
925 remove_undisclosed_recipients (gchar **recipients)
927 GSList *addresses, *node;
931 g_return_if_fail (recipients);
932 addresses = modest_text_utils_split_addresses_list (*recipients);
935 result = g_string_new ("");
936 for (node = addresses; node != NULL; node = g_slist_next (node)) {
937 const gchar *address = (const gchar *) node->data;
939 if (address && strstr (address, "undisclosed-recipients"))
945 result = g_string_append (result, ", ");
947 result = g_string_append (result, address);
949 g_slist_foreach (addresses, (GFunc)g_free, NULL);
950 g_slist_free (addresses);
952 g_free (*recipients);
953 *recipients = g_string_free (result, FALSE);
957 /* get the new To:, based on the old header,
958 * result is newly allocated or NULL in case of error
961 get_new_to (TnyMsg *msg, TnyHeader *header, const gchar* from,
962 ModestTnyMsgReplyMode reply_mode)
964 const gchar *reply_header = "Reply-To:";
965 const gchar *from_header = "From:";
971 /* according to RFC2369 (http://www.faqs.org/rfcs/rfc2369.html), we
972 * can identify Mailing-List posts by the List-Help header.
973 * for mailing lists, both the Reply-To: and From: should be included
974 * in the new To:; for now, we're ignoring List-Post
976 gchar* list_help = modest_tny_mime_part_get_header_value (TNY_MIME_PART(msg),
978 gboolean is_mailing_list = (list_help != NULL);
982 /* reply to sender, use ReplyTo or From */
983 old_reply_to = modest_tny_mime_part_get_header_value (TNY_MIME_PART(msg),
985 old_from = tny_header_dup_from (header);
987 if (!old_from && !old_reply_to) {
988 g_debug ("%s: failed to get either Reply-To: or From: from header",
993 /* Prevent DoS attacks caused by malformed emails */
995 gchar *tmp = old_from;
996 old_from = modest_text_utils_get_secure_header ((const gchar *) tmp, from_header);
1000 gchar *tmp = old_reply_to;
1001 old_reply_to = modest_text_utils_get_secure_header ((const gchar *) tmp, reply_header);
1005 /* for mailing lists, use both Reply-To and From if we did a
1008 if (is_mailing_list && reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL &&
1009 old_reply_to && old_from && strcmp (old_from, old_reply_to) != 0)
1010 new_to = g_strjoin (",", old_reply_to, old_from, NULL);
1012 /* otherwise use either Reply-To: (preferred) or From: */
1013 new_to = g_strdup (old_reply_to ? old_reply_to : old_from);
1015 g_free (old_reply_to);
1017 /* in case of ReplyAll, we need to add the Recipients in the old To: */
1018 if (reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL) {
1019 gchar *old_to = tny_header_dup_to (header);
1021 g_debug ("%s: no To: address found in source mail",
1024 /* append the old To: */
1025 gchar *tmp = g_strjoin (",", new_to, old_to, NULL);
1031 /* remove duplicate entries */
1032 gchar *tmp = modest_text_utils_remove_duplicate_addresses (new_to);
1036 /* now, strip me (the new From:) from the new_to, but only if
1037 * there are >1 addresses there */
1038 if (count_addresses (new_to) > 1) {
1039 gchar *tmp = modest_text_utils_remove_address (new_to, from);
1045 tmp = modest_text_utils_simplify_recipients (new_to);
1046 remove_undisclosed_recipients (&tmp);
1054 /* get the new Cc:, based on the old header,
1055 * result is newly allocated or NULL in case of error */
1057 get_new_cc (TnyHeader *header, const gchar* from, const gchar *new_to)
1059 gchar *old_cc, *result, *dup;
1061 old_cc = tny_header_dup_cc (header);
1065 /* remove me (the new From:) from the Cc: list */
1066 dup = modest_text_utils_remove_address (old_cc, from);
1069 gchar **to_parts, **current;
1071 to_parts = g_strsplit (new_to, ",", 0);
1072 for (current = to_parts; current && *current != '\0'; current++) {
1075 dup2 = modest_text_utils_remove_address (dup, g_strstrip (*current));
1079 g_strfreev (to_parts);
1082 result = modest_text_utils_remove_duplicate_addresses (dup);
1085 result = modest_text_utils_simplify_recipients (dup);
1086 remove_undisclosed_recipients (&result);
1093 modest_tny_msg_get_references (TnyMsg *msg, gchar **message_id, gchar **references, gchar **in_reply_to)
1096 TnyIterator *iterator;
1097 gchar *l_message_id;
1098 gchar *l_references;
1099 gchar *l_in_reply_to;
1101 g_return_if_fail (TNY_IS_MSG (msg));
1103 l_message_id = NULL;
1104 l_references = NULL;
1105 l_in_reply_to = NULL;
1107 headers = TNY_LIST (tny_simple_list_new ());
1108 tny_mime_part_get_header_pairs (TNY_MIME_PART (msg), headers);
1110 iterator = tny_list_create_iterator (headers);
1111 while (!tny_iterator_is_done (iterator)) {
1115 pair = TNY_PAIR (tny_iterator_get_current (iterator));
1116 name = tny_pair_get_name (pair);
1117 if (!g_ascii_strcasecmp (name, "References")) {
1118 if (l_references) g_free (l_references);
1119 l_references = g_strdup (tny_pair_get_value (pair));
1120 } else if (!g_ascii_strcasecmp (name, "In-Reply-To")) {
1121 if (l_in_reply_to) g_free (l_in_reply_to);
1122 l_in_reply_to = g_strdup (tny_pair_get_value (pair));
1123 } else if (!g_ascii_strcasecmp (name, "Message-ID")) {
1124 if (l_message_id) g_free (l_message_id);
1125 l_message_id = g_strdup (tny_pair_get_value (pair));
1128 g_object_unref (pair);
1129 tny_iterator_next (iterator);
1132 g_object_unref (iterator);
1133 g_object_unref (headers);
1136 *message_id = l_message_id;
1138 g_free (l_message_id);
1142 *in_reply_to = l_in_reply_to;
1144 g_free (l_in_reply_to);
1148 *references = l_references;
1150 g_free (l_references);
1155 set_references (TnyMsg *reply_msg, TnyMsg *original_msg)
1157 gchar *orig_references, *orig_in_reply_to, *orig_message_id;
1158 gchar *references, *in_reply_to;
1160 modest_tny_msg_get_references (original_msg, &orig_message_id, &orig_references, &orig_in_reply_to);
1165 if (orig_message_id)
1166 in_reply_to = g_strdup (orig_message_id);
1168 if (orig_references) {
1169 if (orig_message_id)
1170 references = g_strconcat (orig_references, "\n ", orig_message_id, NULL);
1172 references = g_strdup (orig_references);
1174 } else if (orig_in_reply_to) {
1175 if (orig_message_id)
1176 references = g_strconcat (orig_in_reply_to, "\n ", orig_message_id, NULL);
1178 references = g_strdup (orig_in_reply_to);
1179 } else if (orig_message_id) {
1180 references = g_strdup (orig_message_id);
1183 g_free (orig_references);
1184 g_free (orig_in_reply_to);
1185 g_free (orig_message_id);
1188 tny_mime_part_set_header_pair (TNY_MIME_PART (reply_msg), "In-Reply-To", in_reply_to);
1191 tny_mime_part_set_header_pair (TNY_MIME_PART (reply_msg), "References", references);
1196 modest_tny_msg_create_reply_msg (TnyMsg *msg,
1199 const gchar *signature,
1200 ModestTnyMsgReplyType reply_type,
1201 ModestTnyMsgReplyMode reply_mode)
1203 TnyMsg *new_msg = NULL;
1204 TnyHeader *new_header;
1205 gchar *new_to = NULL;
1206 TnyList *parts = NULL;
1207 GList *attachments_list = NULL;
1208 TnyMimePart *part_to_check = NULL;
1210 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
1212 part_to_check = modest_tny_msg_get_attachments_parent (TNY_MSG (msg));
1214 parts = TNY_LIST (tny_simple_list_new());
1215 tny_mime_part_get_parts (TNY_MIME_PART (part_to_check), parts);
1216 tny_list_foreach (parts, add_if_attachment, &attachments_list);
1218 new_msg = create_reply_forward_mail (msg, header, from, signature, TRUE, reply_type,
1221 set_references (new_msg, msg);
1222 if (attachments_list != NULL) {
1223 g_list_foreach (attachments_list, (GFunc) g_object_unref, NULL);
1224 g_list_free (attachments_list);
1226 g_object_unref (parts);
1228 /* Fill the header */
1230 g_object_ref (header);
1232 header = tny_msg_get_header (msg);
1235 new_header = tny_msg_get_header(new_msg);
1236 new_to = get_new_to (msg, header, from, reply_mode);
1238 g_debug ("%s: failed to get new To:", __FUNCTION__);
1240 tny_header_set_to (new_header, new_to);
1243 if (reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL) {
1244 gchar *new_cc = get_new_cc (header, from, new_to);
1246 tny_header_set_cc (new_header, new_cc);
1255 g_object_unref (G_OBJECT (new_header));
1256 g_object_unref (G_OBJECT (header));
1257 g_object_unref (G_OBJECT (part_to_check));
1264 is_ascii(const gchar *s)
1269 if (s[0] & 128 || s[0] < 32)
1277 get_content_type(const gchar *s)
1281 type = g_string_new("text/plain");
1283 if (g_utf8_validate(s, -1, NULL)) {
1284 g_string_append(type, "; charset=\"utf-8\"");
1286 /* it should be impossible to reach this, but better safe than sorry */
1287 g_debug("invalid utf8 in message");
1288 g_string_append(type, "; charset=\"latin1\"");
1291 return g_string_free(type, FALSE);
1295 modest_tny_msg_estimate_size (const gchar *plain_body, const gchar *html_body,
1296 guint64 parts_count,
1301 /* estimation of headers size */
1304 /* We add a 20% of size due to the increase in 7bit encoding */
1306 result += strlen (plain_body) * 120 / 100;
1309 result += strlen (html_body) * 120 / 100;
1312 /* 256 bytes per additional part because of their headers */
1313 result += parts_count * 256;
1315 /* 150% of increase per encoding */
1316 result += parts_size * 3 / 2;
1322 modest_tny_msg_header_get_all_recipients_list (TnyHeader *header)
1324 GSList *recipients = NULL;
1325 gchar *from = NULL, *to = NULL, *cc = NULL, *bcc = NULL;
1326 gchar *after_remove;
1328 gboolean add_separator = TRUE;
1333 buffer = g_string_new ("");
1335 from = tny_header_dup_from (header);
1336 to = tny_header_dup_to (header);
1337 cc = tny_header_dup_cc (header);
1338 bcc = tny_header_dup_bcc (header);
1342 buffer = g_string_append (buffer, from);
1343 add_separator = TRUE;
1347 buffer = g_string_append (buffer, "; ");
1349 add_separator = TRUE;
1351 buffer = g_string_append (buffer, to);
1355 buffer = g_string_append (buffer, "; ");
1357 add_separator = TRUE;
1359 buffer = g_string_append (buffer, cc);
1363 buffer = g_string_append (buffer, "; ");
1365 add_separator = TRUE;
1367 buffer = g_string_append (buffer, bcc);
1370 after_remove = modest_text_utils_remove_duplicate_addresses (buffer->str);
1371 g_string_free (buffer, TRUE);
1373 recipients = modest_text_utils_split_addresses_list (after_remove);
1374 g_free (after_remove);
1389 modest_tny_msg_get_all_recipients_list (TnyMsg *msg)
1391 TnyHeader *header = NULL;
1392 GSList *recipients = NULL;
1397 header = tny_msg_get_header (msg);
1401 recipients = modest_tny_msg_header_get_all_recipients_list (header);
1402 g_object_unref (header);