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-formatter.h"
37 #include <tny-camel-mem-stream.h>
38 #include <tny-camel-mime-part.h>
39 #include <glib/gprintf.h>
40 #include <modest-tny-folder.h>
41 #include "modest-tny-mime-part.h"
46 #endif /*HAVE_CONFIG_H */
48 #include <modest-tny-msg.h>
49 #include "modest-text-utils.h"
51 static TnyMimePart * add_body_part (TnyMsg *msg, const gchar *body,
52 const gchar *content_type);
53 static TnyMimePart * add_html_body_part (TnyMsg *msg, const gchar *body);
54 static void add_attachments (TnyMimePart *part, GList *attachments_list, gboolean add_inline);
55 static void add_images (TnyMsg *msg, GList *attachments_list);
56 static char * get_content_type(const gchar *s);
57 static gboolean is_ascii(const gchar *s);
61 modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
62 const gchar *bcc, const gchar* subject, const gchar *body,
70 new_msg = modest_formatter_create_message (NULL, TRUE, (attachments != NULL), FALSE);
71 header = tny_msg_get_header (new_msg);
73 if ((from != NULL) && (strlen(from) > 0)) {
74 tny_header_set_from (TNY_HEADER (header), from);
75 tny_header_set_replyto (TNY_HEADER (header), from);
77 if ((mailto != NULL) && (strlen(mailto) > 0))
78 tny_header_set_to (TNY_HEADER (header), mailto);
79 if ((cc != NULL) && (strlen(cc) > 0))
80 tny_header_set_cc (TNY_HEADER (header), cc);
81 if ((bcc != NULL) && (strlen(bcc) > 0))
82 tny_header_set_bcc (TNY_HEADER (header), bcc);
84 if ((subject != NULL) && (strlen(subject) > 0))
85 tny_header_set_subject (TNY_HEADER (header), subject);
87 content_type = get_content_type(body);
89 /* set modest as the X-Mailer
90 * we could this in the platform factory, but then the header
91 * would show up before all the others.
93 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "X-Mailer", "Modest "
96 /* Add the body of the new mail */
97 /* This is needed even if body is NULL or empty. */
98 add_body_part (new_msg, body, content_type);
99 g_free (content_type);
101 /* Add attachments */
103 add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE);
105 g_object_unref(header);
111 modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gchar *cc,
112 const gchar *bcc, const gchar* subject,
113 const gchar *html_body, const gchar *plain_body,
114 GList *attachments, GList *images)
121 new_msg = modest_formatter_create_message (NULL, FALSE, (attachments != NULL), (images != NULL));
122 header = tny_msg_get_header (new_msg);
124 if ((from != NULL) && (strlen(from) > 0)) {
125 tny_header_set_from (TNY_HEADER (header), from);
126 tny_header_set_replyto (TNY_HEADER (header), from);
128 if ((mailto != NULL) && (strlen(mailto) > 0))
129 tny_header_set_to (TNY_HEADER (header), mailto);
130 if ((cc != NULL) && (strlen(cc) > 0))
131 tny_header_set_cc (TNY_HEADER (header), cc);
132 if ((bcc != NULL) && (strlen(bcc) > 0))
133 tny_header_set_bcc (TNY_HEADER (header), bcc);
135 if ((subject != NULL) && (strlen(subject) > 0))
136 tny_header_set_subject (TNY_HEADER (header), subject);
138 content_type = get_content_type(plain_body);
140 /* set modest as the X-Mailer
141 * we could this in the platform factory, but then the header
142 * would show up before all the others.
144 tny_mime_part_set_header_pair (TNY_MIME_PART (new_msg), "X-Mailer", "Modest "
147 /* Add the body of the new mail */
148 add_body_part (new_msg, plain_body, content_type);
149 add_html_body_part (new_msg, html_body);
150 g_free (content_type);
152 /* Add attachments */
153 add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE);
154 add_images (new_msg, images);
156 g_object_unref(header);
162 /* FIXME: this func copy from modest-mail-operation: refactor */
164 add_body_part (TnyMsg *msg,
166 const gchar *content_type)
168 TnyMimePart *text_body_part = NULL;
169 TnyStream *text_body_stream;
171 /* Create the stream */
172 text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
173 (body, (body ? strlen(body) : 0)));
175 text_body_part = modest_formatter_create_body_part (NULL, msg);
177 /* Construct MIME part */
178 tny_stream_reset (text_body_stream);
179 tny_mime_part_construct (text_body_part,
181 content_type, "7bit");
182 tny_stream_reset (text_body_stream);
184 g_object_unref (G_OBJECT(text_body_part));
187 g_object_unref (text_body_stream);
189 return text_body_part;
193 add_html_body_part (TnyMsg *msg,
196 TnyMimePart *html_body_part = NULL;
197 TnyStream *html_body_stream;
199 /* Create the stream */
200 html_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
201 (body, strlen(body)));
203 /* Create body part if needed */
204 html_body_part = modest_formatter_create_body_part (NULL, msg);
206 /* Construct MIME part */
207 tny_stream_reset (html_body_stream);
208 tny_mime_part_construct (html_body_part,
210 "text/html; charset=utf-8",
211 "7bit"); /* Sometimes it might be needed
212 to make this one a 8bit! */
213 tny_stream_reset (html_body_stream);
215 g_object_unref (G_OBJECT(html_body_part));
218 g_object_unref (html_body_stream);
220 return html_body_part;
224 copy_mime_part (TnyMimePart *part)
226 TnyMimePart *result = NULL;
227 const gchar *attachment_content_type;
228 const gchar *attachment_filename;
229 const gchar *attachment_cid;
231 TnyIterator *iterator;
232 TnyStream *attachment_stream;
235 if (TNY_IS_MSG (part)) {
240 result = tny_platform_factory_new_mime_part (
241 modest_runtime_get_platform_factory());
243 attachment_content_type = tny_mime_part_get_content_type (part);
245 /* get mime part headers */
246 attachment_filename = tny_mime_part_get_filename (part);
247 attachment_cid = tny_mime_part_get_content_id (part);
249 /* fill the stream */
250 attachment_stream = tny_mime_part_get_decoded_stream (part);
251 enc = tny_mime_part_get_transfer_encoding (part);
252 tny_stream_reset (attachment_stream);
253 tny_mime_part_construct (result,
255 attachment_content_type,
257 tny_stream_reset (attachment_stream);
259 /* set other mime part fields */
260 tny_mime_part_set_filename (result, attachment_filename);
261 tny_mime_part_set_content_id (result, attachment_cid);
264 parts = tny_simple_list_new ();
265 tny_mime_part_get_parts (part, parts);
266 iterator = tny_list_create_iterator (parts);
267 while (!tny_iterator_is_done (iterator)) {
268 TnyMimePart *subpart = TNY_MIME_PART (tny_iterator_get_current (iterator));
270 const gchar *subpart_cid;
271 TnyMimePart *subpart_copy = copy_mime_part (subpart);
272 subpart_cid = tny_mime_part_get_content_id (subpart);
273 tny_mime_part_add_part (result, subpart_copy);
275 tny_mime_part_set_content_id (result, subpart_cid);
276 g_object_unref (subpart);
277 g_object_unref (subpart_copy);
280 tny_iterator_next (iterator);
282 g_object_unref (iterator);
283 g_object_unref (parts);
284 g_object_unref (attachment_stream);
290 add_attachments (TnyMimePart *part, GList *attachments_list, gboolean add_inline)
293 TnyMimePart *attachment_part, *old_attachment;
295 for (pos = (GList *)attachments_list; pos; pos = pos->next) {
297 old_attachment = pos->data;
298 if (!tny_mime_part_is_purged (old_attachment)) {
299 const gchar *old_cid;
300 old_cid = tny_mime_part_get_content_id (old_attachment);
301 attachment_part = copy_mime_part (old_attachment);
302 tny_mime_part_set_header_pair (attachment_part, "Content-Disposition",
303 add_inline?"inline":"attachment");
304 tny_mime_part_set_transfer_encoding (TNY_MIME_PART (attachment_part), "base64");
305 tny_mime_part_add_part (TNY_MIME_PART (part), attachment_part);
307 tny_mime_part_set_content_id (attachment_part, old_cid);
308 g_object_unref (attachment_part);
314 add_images (TnyMsg *msg, GList *images_list)
316 TnyMimePart *related_part = NULL;
317 const gchar *content_type;
319 content_type = tny_mime_part_get_content_type (TNY_MIME_PART (msg));
321 if ((content_type != NULL) && !strcasecmp (content_type, "multipart/related")) {
322 related_part = g_object_ref (msg);
323 } else if ((content_type != NULL) && !strcasecmp (content_type, "multipart/mixed")) {
324 TnyList *parts = TNY_LIST (tny_simple_list_new ());
325 TnyIterator *iter = NULL;
326 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
327 iter = tny_list_create_iterator (parts);
329 while (!tny_iterator_is_done (iter)) {
330 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
331 if (part && !g_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
335 g_object_unref (part);
337 tny_iterator_next (iter);
339 g_object_unref (iter);
340 g_object_unref (parts);
343 if (related_part != NULL) {
344 /* TODO: attach images in their proper place */
345 add_attachments (related_part, images_list, TRUE);
346 g_object_unref (related_part);
352 modest_tny_msg_get_body (TnyMsg *msg, gboolean want_html, gboolean *is_html)
357 GtkTextIter start, end;
359 gboolean result_was_html = TRUE;
361 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
363 body = modest_tny_msg_find_body_part(msg, want_html);
367 buf = gtk_text_buffer_new (NULL);
368 stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
369 tny_stream_reset (stream);
370 tny_mime_part_decode_to_stream (body, stream, NULL);
371 tny_stream_reset (stream);
373 gtk_text_buffer_get_bounds (buf, &start, &end);
374 to_quote = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
375 if (tny_mime_part_content_type_is (body, "text/plain")) {
376 gchar *to_quote_converted = modest_text_utils_convert_to_html (to_quote);
378 to_quote = to_quote_converted;
379 result_was_html = FALSE;
382 g_object_unref (buf);
383 g_object_unref (G_OBJECT(stream));
384 g_object_unref (G_OBJECT(body));
387 *is_html = result_was_html;
394 modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_html)
396 const gchar *desired_mime_type = want_html ? "text/html" : "text/plain";
397 TnyMimePart *part = NULL;
398 TnyList *parts = NULL;
399 TnyIterator *iter = NULL;
400 gchar *header_content_type;
401 gchar *header_content_type_lower;
406 /* If it's an application multipart, then we don't get into as we don't
407 * support them (for example application/sml or wap messages */
408 header_content_type = modest_tny_mime_part_get_header_value (msg, "Content-Type");
409 header_content_type = g_strstrip (header_content_type);
410 header_content_type_lower = header_content_type?g_ascii_strdown (header_content_type, -1):NULL;
411 if (header_content_type_lower &&
412 g_str_has_prefix (header_content_type_lower, "multipart/") &&
413 strstr (header_content_type_lower, "application/")) {
414 g_free (header_content_type_lower);
415 g_free (header_content_type);
418 g_free (header_content_type_lower);
419 g_free (header_content_type);
421 parts = TNY_LIST (tny_simple_list_new());
422 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
424 iter = tny_list_create_iterator(parts);
426 /* no parts? assume it's single-part message */
427 if (tny_iterator_is_done(iter)) {
428 const gchar *content_type;
429 g_object_unref (G_OBJECT(iter));
430 content_type = tny_mime_part_get_content_type (msg);
431 /* if this part cannot be a supported body return NULL */
432 if (!g_str_has_prefix (content_type, "text/")) {
435 return TNY_MIME_PART (g_object_ref(G_OBJECT(msg)));
439 gchar *tmp, *content_type = NULL;
440 gboolean has_content_disp_name = FALSE;
442 part = TNY_MIME_PART(tny_iterator_get_current (iter));
445 g_warning ("%s: not a valid mime part", __FUNCTION__);
449 /* it's a message --> ignore */
450 if (part && TNY_IS_MSG (part)) {
451 g_object_unref (part);
452 tny_iterator_next (iter);
456 /* we need to strdown the content type, because
457 * tny_mime_part_has_content_type does not do it...
459 content_type = g_ascii_strdown (tny_mime_part_get_content_type (part), -1);
461 /* mime-parts with a content-disposition header (either 'inline' or 'attachment')
462 * and a 'name=' thingy cannot be body parts
465 tmp = modest_tny_mime_part_get_header_value (part, "Content-Disposition");
467 gchar *content_disp = g_ascii_strdown(tmp, -1);
469 has_content_disp_name = g_strstr_len (content_disp, strlen(content_disp), "name=") != NULL;
470 g_free (content_disp);
473 if (g_str_has_prefix (content_type, desired_mime_type) && !has_content_disp_name) {
474 /* we found the desired mime-type! */
475 g_free (content_type);
478 } else if (g_str_has_prefix(content_type, "multipart")) {
480 /* multipart? recurse! */
481 g_object_unref (part);
482 g_free (content_type);
483 part = modest_tny_msg_find_body_part_from_mime_part (part, want_html);
487 g_free (content_type);
490 g_object_unref (G_OBJECT(part));
494 tny_iterator_next (iter);
496 } while (!tny_iterator_is_done(iter));
499 g_object_unref (G_OBJECT(iter));
500 g_object_unref (G_OBJECT(parts));
502 /* if were trying to find an HTML part and couldn't find it,
503 * try to find a text/plain part instead
505 if (!part && want_html)
506 return modest_tny_msg_find_body_part_from_mime_part (msg, FALSE);
508 return part; /* this maybe NULL, this is not an error; some message just don't have a body
514 modest_tny_msg_find_body_part (TnyMsg *msg, gboolean want_html)
516 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
518 return modest_tny_msg_find_body_part_from_mime_part (TNY_MIME_PART(msg),
523 #define MODEST_TNY_MSG_PARENT_UID "parent-uid"
526 create_reply_forward_mail (TnyMsg *msg, TnyHeader *header, const gchar *from,
527 const gchar *signature, gboolean is_reply,
528 guint type /*ignored*/, GList *attachments)
531 TnyHeader *new_header;
533 TnyMimePart *body = NULL;
534 ModestFormatter *formatter;
535 gchar *subject_prefix;
536 gboolean no_text_part;
539 g_object_ref (header);
541 header = tny_msg_get_header (msg);
543 /* Get body from original msg. Always look for the text/plain
544 part of the message to create the reply/forwarded mail */
546 body = modest_tny_msg_find_body_part (msg, FALSE);
548 if (modest_conf_get_bool (modest_runtime_get_conf (), MODEST_CONF_PREFER_FORMATTED_TEXT,
550 formatter = modest_formatter_new ("text/html", signature);
552 formatter = modest_formatter_new ("text/plain", signature);
555 /* if we don't have a text-part */
556 no_text_part = (!body) || (strcmp (tny_mime_part_get_content_type (body), "text/html")==0);
558 /* when we're reply, include the text part if we have it, or nothing otherwise. */
560 new_msg = modest_formatter_quote (formatter, no_text_part ? NULL: body, header,
563 /* for attachements; inline if there is a text part, and include the
564 * full old mail if there was none */
566 new_msg = modest_formatter_attach (formatter, msg, header);
568 new_msg = modest_formatter_inline (formatter, body, header,
573 g_object_unref (G_OBJECT(formatter));
575 g_object_unref (G_OBJECT(body));
577 /* Fill the header */
578 new_header = tny_msg_get_header (new_msg);
579 tny_header_set_from (new_header, from);
580 tny_header_set_replyto (new_header, from);
582 /* Change the subject */
584 subject_prefix = g_strconcat (_("mail_va_re"), ":", NULL);
586 subject_prefix = g_strconcat (_("mail_va_fw"), ":", NULL);
588 (gchar *) modest_text_utils_derived_subject (tny_header_get_subject(header),
590 g_free (subject_prefix);
591 tny_header_set_subject (new_header, (const gchar *) new_subject);
592 g_free (new_subject);
594 /* get the parent uid, and set it as a gobject property on the new msg */
596 gchar* parent_uid = modest_tny_folder_get_header_unique_id (header);
597 g_object_set_data_full (G_OBJECT(new_msg), MODEST_TNY_MSG_PARENT_UID,
601 /* set modest as the X-Mailer
602 * we could this in the platform factory, but then the header
603 * would show up before all the others.
605 tny_mime_part_set_header_pair (TNY_MIME_PART (msg), "X-Mailer", "Modest "
609 g_object_unref (G_OBJECT (new_header));
610 g_object_unref (G_OBJECT (header));
611 /* ugly to unref it here instead of in the calling func */
613 if (!is_reply & !no_text_part) {
614 add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE);
621 modest_tny_msg_get_parent_uid (TnyMsg *msg)
623 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
625 return g_object_get_data (G_OBJECT(msg), MODEST_TNY_MSG_PARENT_UID);
631 add_if_attachment (gpointer data, gpointer user_data)
634 GList **attachments_list;
636 part = TNY_MIME_PART (data);
637 attachments_list = ((GList **) user_data);
639 if ((tny_mime_part_is_attachment (part))||(TNY_IS_MSG (part))) {
640 *attachments_list = g_list_prepend (*attachments_list, part);
646 modest_tny_msg_create_forward_msg (TnyMsg *msg,
648 const gchar *signature,
649 ModestTnyMsgForwardType forward_type)
652 TnyList *parts = NULL;
653 GList *attachments_list = NULL;
655 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
657 /* Add attachments */
658 parts = TNY_LIST (tny_simple_list_new());
659 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
660 tny_list_foreach (parts, add_if_attachment, &attachments_list);
662 new_msg = create_reply_forward_mail (msg, NULL, from, signature, FALSE, forward_type,
666 if (attachments_list) {
667 g_list_foreach (attachments_list, (GFunc) g_object_unref, NULL);
668 g_list_free (attachments_list);
670 g_object_unref (G_OBJECT (parts));
678 count_addresses (const gchar* addresses)
686 if (*addresses == ',' || *addresses == ';')
695 /* get the new To:, based on the old header,
696 * result is newly allocated or NULL in case of error
699 get_new_to (TnyMsg *msg, TnyHeader *header, const gchar* from,
700 ModestTnyMsgReplyMode reply_mode)
702 const gchar* old_reply_to;
703 const gchar* old_from;
706 /* according to RFC2369 (http://www.faqs.org/rfcs/rfc2369.html), we
707 * can identify Mailing-List posts by the List-Help header.
708 * for mailing lists, both the Reply-To: and From: should be included
709 * in the new To:; for now, we're ignoring List-Post
711 gchar* list_help = modest_tny_mime_part_get_header_value (TNY_MIME_PART(msg),
713 gboolean is_mailing_list = (list_help != NULL);
717 /* reply to sender, use ReplyTo or From */
718 //old_reply_to = tny_header_get_replyto (header);
719 old_reply_to = modest_tny_mime_part_get_header_value (TNY_MIME_PART(msg),
721 old_from = tny_header_get_from (header);
723 if (!old_from && !old_reply_to) {
724 g_warning ("%s: failed to get either Reply-To: or From: from header",
729 /* for mailing lists, use both Reply-To and From if we did a
732 if (is_mailing_list && reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL &&
733 old_reply_to && old_from && strcmp (old_from, old_reply_to) != 0)
734 new_to = g_strjoin (",", old_reply_to, old_from, NULL);
736 /* otherwise use either Reply-To: (preferred) or From: */
737 new_to = g_strdup (old_reply_to ? old_reply_to : old_from);
739 /* in case of ReplyAll, we need to add the Recipients in the old To: */
740 if (reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL) {
741 const gchar *old_to = tny_header_get_to (header);
743 g_warning ("%s: no To: address found in source mail",
746 /* append the old To: */
747 gchar *tmp = g_strjoin (",", new_to, old_to, NULL);
752 /* remove duplicate entries */
753 gchar *tmp = modest_text_utils_remove_duplicate_addresses (new_to);
757 /* now, strip me (the new From:) from the new_to, but only if
758 * there are >1 addresses there */
759 if (count_addresses (new_to) > 1) {
760 gchar *tmp = modest_text_utils_remove_address (new_to, from);
770 /* get the new Cc:, based on the old header,
771 * result is newly allocated or NULL in case of error */
773 get_new_cc (TnyHeader *header, const gchar* from)
777 old_cc = tny_header_get_cc (header);
781 /* remove me (the new From:) from the Cc: list */
782 return modest_text_utils_remove_address (old_cc, from);
787 modest_tny_msg_create_reply_msg (TnyMsg *msg,
790 const gchar *signature,
791 ModestTnyMsgReplyType reply_type,
792 ModestTnyMsgReplyMode reply_mode)
794 TnyMsg *new_msg = NULL;
795 TnyHeader *new_header;
796 gchar *new_to = NULL;
797 TnyList *parts = NULL;
798 GList *attachments_list = NULL;
800 g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
802 parts = TNY_LIST (tny_simple_list_new());
803 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
804 tny_list_foreach (parts, add_if_attachment, &attachments_list);
806 new_msg = create_reply_forward_mail (msg, header, from, signature, TRUE, reply_type,
808 if (attachments_list != NULL) {
809 g_list_foreach (attachments_list, (GFunc) g_object_unref, NULL);
810 g_list_free (attachments_list);
813 g_object_unref (G_OBJECT (parts));
815 /* Fill the header */
817 g_object_ref (header);
819 header = tny_msg_get_header (msg);
822 new_header = tny_msg_get_header(new_msg);
823 new_to = get_new_to (msg, header, from, reply_mode);
825 g_warning ("%s: failed to get new To:", __FUNCTION__);
827 tny_header_set_to (new_header, new_to);
831 if (reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL) {
832 gchar *new_cc = get_new_cc (header, from);
834 tny_header_set_cc (new_header, new_cc);
840 g_object_unref (G_OBJECT (new_header));
841 g_object_unref (G_OBJECT (header));
848 is_ascii(const gchar *s)
853 if (s[0] & 128 || s[0] < 32)
861 get_content_type(const gchar *s)
865 type = g_string_new("text/plain");
867 if (g_utf8_validate(s, -1, NULL)) {
868 g_string_append(type, "; charset=\"utf-8\"");
870 /* it should be impossible to reach this, but better safe than sorry */
871 g_warning("invalid utf8 in message");
872 g_string_append(type, "; charset=\"latin1\"");
875 return g_string_free(type, FALSE);
879 modest_tny_msg_estimate_size (const gchar *plain_body, const gchar *html_body,
885 /* estimation of headers size */
888 /* We add a 20% of size due to the increase in 7bit encoding */
890 result += strlen (plain_body) * 120 / 100;
893 result += strlen (html_body) * 120 / 100;
896 /* 256 bytes per additional part because of their headers */
897 result += parts_count * 256;
899 /* 150% of increase per encoding */
900 result += parts_size * 3 / 2;