src/purple/purple-mime.c

   1 /**
   2  * @file purple-mime.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2010-2015 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "glib.h"
  24
  25 #include "mime.h"
  26
  27 #include "sipe-mime.h"
  28 #include "sipe-core.h"
  29
  30 void sipe_mime_init(void)
  31 {
  32         /* Nothing to do */
  33 }
  34
  35 void sipe_mime_shutdown(void)
  36 {
  37         /* Nothing to do */
  38 }
  39
  40 static
  41 GSList * mime_fields_to_nameval(PurpleMimePart* part)
  42 {
  43         GList *keys = purple_mime_part_get_fields(part);
  44         GSList *fields = NULL;
  45
  46         while (keys) {
  47                 const char *key = keys->data;
  48                 const char *value = purple_mime_part_get_field(part, key);
  49
  50                 fields = sipe_utils_nameval_add(fields, key, value);
  51
  52                 keys = keys->next;
  53         }
  54
  55         return fields;
  56 }
  57
  58 void sipe_mime_parts_foreach(const gchar *type,
  59                              const gchar *body,
  60                              sipe_mime_parts_cb callback,
  61                              gpointer user_data)
  62 {
  63         gchar *doc = g_strdup_printf("Content-Type: %s\r\n\r\n%s", type, body);
  64         PurpleMimeDocument *mime = purple_mime_document_parse(doc);
  65
  66         if (mime) {
  67                 GList* parts = purple_mime_document_get_parts(mime);
  68
  69                 while (parts) {
  70                         const gchar *content_type = purple_mime_part_get_field(parts->data,
  71                                                                                "Content-Type");
  72                         if (content_type) {
  73                                 const gchar *content = NULL;
  74                                 guchar *content_decoded = NULL;
  75                                 gsize length = 0;
  76
  77                                 GSList *fields = mime_fields_to_nameval(parts->data);
  78
  79                                 purple_mime_part_get_data_decoded(parts->data,
  80                                                                   &content_decoded,
  81                                                                   &length);
  82                                 if (content_decoded) {
  83                                         content = (gchar *) content_decoded;
  84                                 } else {
  85                                         /* Unknown encoding in Content-Transfer-Encoding
  86                                          * field; revert to the plain content extraction. */
  87                                         content = purple_mime_part_get_data(parts->data);
  88                                         length = purple_mime_part_get_length(parts->data);
  89                                 }
  90
  91                                 (*callback)(user_data, fields, content, length);
  92
  93                                 sipe_utils_nameval_free(fields);
  94                                 g_free(content_decoded);
  95                         }
  96                         parts = parts->next;
  97                 }
  98                 purple_mime_document_free(mime);
  99         }
 100         g_free(doc);
 101 }
 102
 103 /*
 104   Local Variables:
 105   mode: c
 106   c-file-style: "bsd"
 107   indent-tabs-mode: t
 108   tab-width: 8
 109   End:
 110 */