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