git.maemo.org Git - modest/blob - src/modest-tny-msg.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   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.
  16  *
  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.
  28  */
  29
  30 #include <string.h>
  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-stream.h>
  38 #include <camel/camel-stream-mem.h>
  39
  40 #ifdef HAVE_CONFIG_H
  41 #include <config.h>
  42 #endif /*HAVE_CONFIG_H */
  43
  44 #include <modest-tny-msg.h>
  45 #include "modest-text-utils.h"
  46
  47 static TnyMimePart * add_body_part (TnyMsg *msg, const gchar *body,
  48                                     const gchar *content_type, gboolean has_attachments);
  49 static TnyMimePart * add_html_body_part (TnyMsg *msg, const gchar *body);
  50 static void add_attachments (TnyMsg *msg, GList *attachments_list);
  51 static char * get_content_type(const gchar *s);
  52 static gboolean is_ascii(const gchar *s);
  53
  54 TnyMsg*
  55 modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
  56                     const gchar *bcc, const gchar* subject, const gchar *body,
  57                     GSList *attachments)
  58 {
  59         TnyPlatformFactory *fact;
  60         TnyMsg *new_msg;
  61         TnyHeader *header;
  62         gchar *content_type;
  63
  64         /* Create new msg */
  65         fact    = modest_runtime_get_platform_factory ();
  66         new_msg = tny_platform_factory_new_msg (fact);
  67         header  = tny_msg_get_header (new_msg);
  68
  69         if ((from != NULL) && (strlen(from) > 0)) {
  70                 tny_header_set_from (TNY_HEADER (header), from);
  71                 tny_header_set_replyto (TNY_HEADER (header), from);
  72         }
  73         if ((mailto != NULL) && (strlen(mailto) > 0))
  74                 tny_header_set_to (TNY_HEADER (header), mailto);
  75         if ((cc != NULL) && (strlen(cc) > 0))
  76                 tny_header_set_cc (TNY_HEADER (header), cc);
  77         if ((bcc != NULL) && (strlen(bcc) > 0))
  78                 tny_header_set_bcc (TNY_HEADER (header), bcc);
  79
  80         if ((subject != NULL) && (strlen(subject) > 0))
  81                 tny_header_set_subject (TNY_HEADER (header), subject);
  82
  83         content_type = get_content_type(body);
  84
  85         /* Add the body of the new mail */
  86         /* This is needed even if body is NULL or empty. */
  87         add_body_part (new_msg, body, content_type, (attachments ? TRUE: FALSE));
  88         g_free (content_type);
  89
  90         /* Add attachments */
  91         if (attachments)
  92                 add_attachments (new_msg, (GList*) attachments);
  93
  94         return new_msg;
  95 }
  96
  97 TnyMsg*
  98 modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gchar *cc,
  99                                const gchar *bcc, const gchar* subject,
 100                                const gchar *html_body, const gchar *plain_body,
 101                                GSList *attachments)
 102 {
 103         TnyPlatformFactory *fact;
 104         TnyMsg *new_msg;
 105         TnyHeader *header;
 106         gchar *content_type;
 107
 108         /* Create new msg */
 109         fact    = modest_runtime_get_platform_factory ();
 110         new_msg = tny_platform_factory_new_msg (fact);
 111         header  = tny_msg_get_header (new_msg);
 112
 113         if ((from != NULL) && (strlen(from) > 0)) {
 114                 tny_header_set_from (TNY_HEADER (header), from);
 115                 tny_header_set_replyto (TNY_HEADER (header), from);
 116         }
 117         if ((mailto != NULL) && (strlen(mailto) > 0))
 118                 tny_header_set_to (TNY_HEADER (header), mailto);
 119         if ((cc != NULL) && (strlen(cc) > 0))
 120                 tny_header_set_cc (TNY_HEADER (header), cc);
 121         if ((bcc != NULL) && (strlen(bcc) > 0))
 122                 tny_header_set_bcc (TNY_HEADER (header), bcc);
 123
 124         if ((subject != NULL) && (strlen(subject) > 0))
 125                 tny_header_set_subject (TNY_HEADER (header), subject);
 126
 127         content_type = get_content_type(plain_body);
 128
 129         /* Add the body of the new mail */
 130         add_body_part (new_msg, plain_body, content_type, TRUE);
 131         add_html_body_part (new_msg, html_body);
 132         g_free (content_type);
 133
 134         /* Add attachments */
 135         add_attachments (new_msg, (GList*) attachments);
 136
 137         return new_msg;
 138 }
 139
 140
 141 /* FIXME: this func copy from modest-mail-operation: refactor */
 142 static TnyMimePart *
 143 add_body_part (TnyMsg *msg,
 144                const gchar *body,
 145                const gchar *content_type,
 146                gboolean has_attachments)
 147 {
 148         TnyMimePart *text_body_part = NULL;
 149         TnyStream *text_body_stream;
 150
 151         /* Create the stream */
 152         text_body_stream = TNY_STREAM (tny_camel_stream_new
 153                                        (camel_stream_mem_new_with_buffer
 154                                         (body, (body ? strlen(body) : 0))));
 155
 156         /* Create body part if needed */
 157         if (has_attachments)
 158                 text_body_part = tny_platform_factory_new_mime_part
 159                         (modest_runtime_get_platform_factory ());
 160         else
 161                 text_body_part = TNY_MIME_PART(msg);
 162
 163         /* Construct MIME part */
 164         tny_stream_reset (text_body_stream);
 165         tny_mime_part_construct_from_stream (text_body_part,
 166                                              text_body_stream,
 167                                              content_type);
 168         tny_stream_reset (text_body_stream);
 169
 170         /* Add part if needed */
 171         if (has_attachments) {
 172                 tny_mime_part_add_part (TNY_MIME_PART (msg), text_body_part);
 173                 g_object_unref (G_OBJECT(text_body_part));
 174         }
 175
 176         /* Clean */
 177         g_object_unref (text_body_stream);
 178
 179         return text_body_part;
 180 }
 181
 182 static TnyMimePart *
 183 add_html_body_part (TnyMsg *msg,
 184                     const gchar *body)
 185 {
 186         TnyMimePart *html_body_part = NULL;
 187         TnyStream *html_body_stream;
 188
 189         /* Create the stream */
 190         html_body_stream = TNY_STREAM (tny_camel_stream_new
 191                                        (camel_stream_mem_new_with_buffer
 192                                         (body, strlen(body))));
 193
 194         /* Create body part if needed */
 195         html_body_part = tny_platform_factory_new_mime_part
 196                 (modest_runtime_get_platform_factory ());
 197
 198         /* Construct MIME part */
 199         tny_stream_reset (html_body_stream);
 200         tny_mime_part_construct_from_stream (html_body_part,
 201                                              html_body_stream,
 202                                              "text/html; charset=utf-8");
 203         tny_stream_reset (html_body_stream);
 204
 205         /* Add part if needed */
 206         tny_mime_part_add_part (TNY_MIME_PART (msg), html_body_part);
 207         g_object_unref (G_OBJECT(html_body_part));
 208
 209         /* Clean */
 210         g_object_unref (html_body_stream);
 211
 212         return html_body_part;
 213 }
 214
 215 static void
 216 add_attachments (TnyMsg *msg, GList *attachments_list)
 217 {
 218         GList *pos;
 219         TnyMimePart *attachment_part, *old_attachment;
 220         const gchar *attachment_content_type;
 221         const gchar *attachment_filename;
 222         const gchar *attachment_cid;
 223         TnyStream *attachment_stream;
 224
 225         for (pos = (GList *)attachments_list; pos; pos = pos->next) {
 226
 227                 old_attachment = pos->data;
 228                 attachment_filename = tny_mime_part_get_filename (old_attachment);
 229                 attachment_stream = tny_mime_part_get_stream (old_attachment);
 230                 attachment_part = tny_platform_factory_new_mime_part (
 231                         modest_runtime_get_platform_factory());
 232
 233                 attachment_content_type = tny_mime_part_get_content_type (old_attachment);
 234                 attachment_cid = tny_mime_part_get_content_id (old_attachment);
 235
 236                 tny_mime_part_construct_from_stream (attachment_part,
 237                                                      attachment_stream,
 238                                                      attachment_content_type);
 239                 tny_stream_reset (attachment_stream);
 240
 241                 tny_mime_part_set_filename (attachment_part, attachment_filename);
 242                 tny_mime_part_set_content_id (attachment_part, attachment_cid);
 243
 244                 tny_mime_part_add_part (TNY_MIME_PART (msg), attachment_part);
 245 /*              g_object_unref (attachment_part); */
 246         }
 247 }
 248
 249
 250 gchar *
 251 modest_tny_msg_get_body (TnyMsg *msg, gboolean want_html)
 252 {
 253         TnyStream *stream;
 254         TnyMimePart *body;
 255         GtkTextBuffer *buf;
 256         GtkTextIter start, end;
 257         gchar *to_quote;
 258
 259         body = modest_tny_msg_find_body_part(msg, want_html);
 260         if (!body)
 261                 return NULL;
 262
 263         buf = gtk_text_buffer_new (NULL);
 264         stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
 265         tny_stream_reset (stream);
 266         tny_mime_part_decode_to_stream (body, stream);
 267         tny_stream_reset (stream);
 268
 269         gtk_text_buffer_get_bounds (buf, &start, &end);
 270         to_quote = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
 271         if (tny_mime_part_content_type_is (body, "text/plain")) {
 272                 gchar *to_quote_converted = modest_text_utils_convert_to_html (to_quote);
 273                 g_free (to_quote);
 274                 to_quote = to_quote_converted;
 275         }
 276
 277         g_object_unref (buf);
 278         g_object_unref (G_OBJECT(stream));
 279         g_object_unref (G_OBJECT(body));
 280
 281         return to_quote;
 282 }
 283
 284
 285 TnyMimePart*
 286 modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_html)
 287 {
 288         const gchar *mime_type = want_html ? "text/html" : "text/plain";
 289         TnyMimePart *part = NULL;
 290         TnyList *parts;
 291         TnyIterator *iter;
 292
 293         if (!msg)
 294                 return NULL;
 295
 296         parts = TNY_LIST (tny_simple_list_new());
 297         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 298
 299         iter  = tny_list_create_iterator(parts);
 300
 301         /* no parts? assume it's single-part message */
 302         if (tny_iterator_is_done(iter))
 303                 return TNY_MIME_PART (g_object_ref(G_OBJECT(msg)));
 304         else {
 305                 gchar *content_type = NULL;
 306                 do {
 307                         part = TNY_MIME_PART(tny_iterator_get_current (iter));
 308
 309                         /* we need to strdown the content type, because
 310                          * tny_mime_part_has_content_type does not do it...
 311                          */
 312                         content_type = g_ascii_strdown
 313                                 (tny_mime_part_get_content_type (part), -1);
 314
 315                         if (g_str_has_prefix (content_type, mime_type) &&
 316                             !tny_mime_part_is_attachment (part))
 317                                 break;
 318
 319                         if (g_str_has_prefix(content_type, "multipart")) {
 320                                 part = modest_tny_msg_find_body_part_from_mime_part (part, want_html);
 321                                 if (part)
 322                                         break;
 323                         }
 324                         if (part)
 325                                 g_object_unref (G_OBJECT(part));
 326
 327                         part = NULL;
 328
 329                         g_free (content_type);
 330                         content_type = NULL;
 331
 332                         tny_iterator_next (iter);
 333
 334                 } while (!tny_iterator_is_done(iter));
 335                 g_free (content_type);
 336         }
 337
 338         g_object_unref (G_OBJECT(iter));
 339         g_object_unref (G_OBJECT(parts));
 340
 341         /* if were trying to find an HTML part and couldn't find it,
 342          * try to find a text/plain part instead
 343          */
 344         if (!part && want_html)
 345                 return modest_tny_msg_find_body_part_from_mime_part (msg, FALSE);
 346         else
 347                 return part; /* this maybe NULL, this is not an error; some message just don't have a body
 348                               * part */
 349 }
 350
 351
 352 TnyMimePart*
 353 modest_tny_msg_find_body_part (TnyMsg *msg, gboolean want_html)
 354 {
 355         return modest_tny_msg_find_body_part_from_mime_part (TNY_MIME_PART(msg),
 356                                                              want_html);
 357 }
 358
 359
 360 static TnyMsg *
 361 create_reply_forward_mail (TnyMsg *msg, const gchar *from, const gchar *signature, gboolean is_reply, guint type)
 362 {
 363         TnyMsg *new_msg;
 364         TnyHeader *new_header, *header;
 365         gchar *new_subject;
 366         TnyMimePart *body;
 367         ModestFormatter *formatter;
 368         gchar *subject_prefix;
 369
 370         /* Get body from original msg. Always look for the text/plain
 371            part of the message to create the reply/forwarded mail */
 372         header = tny_msg_get_header (msg);
 373         body   = modest_tny_msg_find_body_part (msg, FALSE);
 374
 375         /* TODO: select the formatter from account prefs */
 376         if (modest_conf_get_bool (modest_runtime_get_conf (), MODEST_CONF_PREFER_FORMATTED_TEXT, NULL))
 377                 formatter = modest_formatter_new ("text/html", signature);
 378         else
 379                 formatter = modest_formatter_new ("text/plain", signature);
 380
 381         /* Format message body */
 382         if (is_reply) {
 383                 switch (type) {
 384                 case MODEST_TNY_MSG_REPLY_TYPE_CITE:
 385                 default:
 386                         new_msg = modest_formatter_cite  (formatter, body, header);
 387                         break;
 388                 case MODEST_TNY_MSG_REPLY_TYPE_QUOTE:
 389                         new_msg = modest_formatter_quote (formatter, body, header);
 390                         break;
 391                 }
 392         } else {
 393                 switch (type) {
 394                 case MODEST_TNY_MSG_FORWARD_TYPE_INLINE:
 395                 default:
 396                         new_msg = modest_formatter_inline  (formatter, body, header);
 397                         break;
 398                 case MODEST_TNY_MSG_FORWARD_TYPE_ATTACHMENT:
 399                         new_msg = modest_formatter_attach (formatter, body, header);
 400                         break;
 401                 }
 402         }
 403         g_object_unref (G_OBJECT(formatter));
 404         g_object_unref (G_OBJECT(body));
 405
 406         /* Fill the header */
 407         new_header = tny_msg_get_header (new_msg);
 408         tny_header_set_from (new_header, from);
 409         tny_header_set_replyto (new_header, from);
 410
 411         /* Change the subject */
 412         if (is_reply)
 413                 subject_prefix = g_strconcat (_("mail_va_re"), ":", NULL);
 414         else
 415                 subject_prefix = g_strconcat (_("mail_va_fw"), ":", NULL);
 416         new_subject =
 417                 (gchar *) modest_text_utils_derived_subject (tny_header_get_subject(header),
 418                                                              subject_prefix);
 419         g_free (subject_prefix);
 420         tny_header_set_subject (new_header, (const gchar *) new_subject);
 421         g_free (new_subject);
 422
 423         /* Clean */
 424         g_object_unref (G_OBJECT (new_header));
 425         g_object_unref (G_OBJECT (header));
 426
 427         return new_msg;
 428 }
 429
 430 static void
 431 add_if_attachment (gpointer data, gpointer user_data)
 432 {
 433         TnyMimePart *part;
 434         GList *attachments_list;
 435
 436         part = TNY_MIME_PART (data);
 437         attachments_list = (GList *) user_data;
 438
 439         if (tny_mime_part_is_attachment (part))
 440                 attachments_list = g_list_prepend (attachments_list, part);
 441 }
 442
 443 TnyMsg*
 444 modest_tny_msg_create_forward_msg (TnyMsg *msg,
 445                                    const gchar *from,
 446                                    const gchar *signature,
 447                                    ModestTnyMsgForwardType forward_type)
 448 {
 449         TnyMsg *new_msg;
 450         TnyList *parts = NULL;
 451         GList *attachments_list = NULL;
 452
 453         new_msg = create_reply_forward_mail (msg, from, signature, FALSE, forward_type);
 454
 455         /* Add attachments */
 456         parts = TNY_LIST (tny_simple_list_new());
 457         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 458         tny_list_foreach (parts, add_if_attachment, attachments_list);
 459         add_attachments (new_msg, attachments_list);
 460
 461         /* Clean */
 462         if (attachments_list)
 463                 g_list_free (attachments_list);
 464         g_object_unref (G_OBJECT (parts));
 465
 466         return new_msg;
 467 }
 468
 469 TnyMsg*
 470 modest_tny_msg_create_reply_msg (TnyMsg *msg,
 471                                  const gchar *from,
 472                                  const gchar *signature,
 473                                  ModestTnyMsgReplyType reply_type,
 474                                  ModestTnyMsgReplyMode reply_mode)
 475 {
 476         TnyMsg *new_msg = NULL;
 477         TnyHeader *new_header, *header;
 478         const gchar* reply_to;
 479         gchar *new_cc = NULL;
 480         const gchar *cc = NULL, *bcc = NULL;
 481         GString *tmp = NULL;
 482
 483         new_msg = create_reply_forward_mail (msg, from, signature, TRUE, reply_type);
 484
 485         /* Fill the header */
 486         header = tny_msg_get_header (msg);
 487         new_header = tny_msg_get_header (new_msg);
 488         reply_to = tny_header_get_replyto (header);
 489
 490         if (reply_to)
 491                 tny_header_set_to (new_header, reply_to);
 492         else
 493                 tny_header_set_to (new_header, tny_header_get_from (header));
 494
 495         switch (reply_mode) {
 496         case MODEST_TNY_MSG_REPLY_MODE_SENDER:
 497                 /* Do not fill neither cc nor bcc */
 498                 break;
 499         case MODEST_TNY_MSG_REPLY_MODE_LIST:
 500                 /* TODO */
 501                 break;
 502         case MODEST_TNY_MSG_REPLY_MODE_ALL:
 503                 /* Concatenate to, cc and bcc */
 504                 cc = tny_header_get_cc (header);
 505                 bcc = tny_header_get_bcc (header);
 506
 507                 tmp = g_string_new (tny_header_get_to (header));
 508                 if (cc)  g_string_append_printf (tmp, ",%s",cc);
 509                 if (bcc) g_string_append_printf (tmp, ",%s",bcc);
 510
 511                /* Remove my own address from the cc list. TODO:
 512                   remove also the To: of the new message, needed due
 513                   to the new reply_to feature */
 514                 new_cc = (gchar *)
 515                         modest_text_utils_remove_address ((const gchar *) tmp->str,
 516                                                           from);
 517                 /* FIXME: remove also the mails from the new To: */
 518                 tny_header_set_cc (new_header, new_cc);
 519
 520                 /* Clean */
 521                 g_string_free (tmp, TRUE);
 522                 g_free (new_cc);
 523                 break;
 524         }
 525
 526         /* Clean */
 527         g_object_unref (G_OBJECT (new_header));
 528         g_object_unref (G_OBJECT (header));
 529
 530         return new_msg;
 531 }
 532
 533
 534 static gboolean
 535 is_ascii(const gchar *s)
 536 {
 537         if (!s)
 538                 return TRUE;
 539         while (s[0]) {
 540                 if (s[0] & 128 || s[0] < 32)
 541                         return FALSE;
 542                 s++;
 543         }
 544         return TRUE;
 545 }
 546
 547 static char *
 548 get_content_type(const gchar *s)
 549 {
 550         GString *type;
 551
 552         type = g_string_new("text/plain");
 553         if (!is_ascii(s)) {
 554                 if (g_utf8_validate(s, -1, NULL)) {
 555                         g_string_append(type, "; charset=\"utf-8\"");
 556                 } else {
 557                         /* it should be impossible to reach this, but better safe than sorry */
 558                         g_warning("invalid utf8 in message");
 559                         g_string_append(type, "; charset=\"latin1\"");
 560                 }
 561         }
 562         return g_string_free(type, FALSE);
 563 }