src/core/sipe-mime.c

   1 /**
   2  * @file sipe-mime.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2010 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 <string.h>
  24
  25 #include "sipe-common.h"
  26
  27 #include <glib.h>
  28 #include <gmime/gmime.h>
  29
  30 #include "sipe-mime.h"
  31
  32 #include "sipe-backend.h"
  33 #include "sipe-utils.h"
  34
  35 struct gmime_callback_data {
  36         sipe_mime_parts_cb callback;
  37         gpointer user_data;
  38 };
  39
  40 static GSList *gmime_fields_to_nameval(GMimeObject *part)
  41 {
  42         GMimeHeaderList *headers = g_mime_object_get_header_list(part);
  43         GMimeHeaderIter *iter = g_mime_header_iter_new();
  44         GSList *fields = NULL;
  45
  46         if (g_mime_header_list_get_iter(headers, iter)) {
  47                 do {
  48                         fields = sipe_utils_nameval_add(fields,
  49                                                         g_mime_header_iter_get_name(iter),
  50                                                         g_mime_header_iter_get_value(iter));
  51
  52                 } while (g_mime_header_iter_next(iter));
  53         }
  54         g_mime_header_iter_free(iter);
  55
  56         return fields;
  57 }
  58
  59 static void gmime_callback(SIPE_UNUSED_PARAMETER GMimeObject *parent,
  60                            GMimeObject *part,
  61                            gpointer user_data)
  62 {
  63         GMimeDataWrapper *data = g_mime_part_get_content_object((GMimePart *)part);
  64
  65         if (data) {
  66                 GMimeStream *stream = g_mime_data_wrapper_get_stream(data);
  67
  68                 if (stream) {
  69                         ssize_t length = g_mime_stream_length(stream);
  70
  71                         if (length != -1) {
  72                                 gchar *content = g_malloc(length + 1);
  73
  74                                 if (g_mime_stream_read(stream, content, length) == length) {
  75                                         struct gmime_callback_data *cd = user_data;
  76                                         GSList *fields = gmime_fields_to_nameval(part);
  77
  78                                         (*(cd->callback))(cd->user_data, fields, content, length);
  79
  80                                         sipe_utils_nameval_free(fields);
  81                                 }
  82                                 g_free(content);
  83                         }
  84                 }
  85         }
  86 }
  87
  88 void sipe_mime_parts_foreach(const gchar *type,
  89                              const gchar *body,
  90                              sipe_mime_parts_cb callback,
  91                              gpointer user_data)
  92 {
  93         gchar *doc = g_strdup_printf("Content-Type: %s\r\n\r\n%s", type, body);
  94         GMimeStream *stream = g_mime_stream_mem_new_with_buffer(doc, strlen(doc));
  95
  96         if (stream) {
  97                 GMimeParser *parser = g_mime_parser_new_with_stream(stream);
  98                 GMimeMultipart *multipart = (GMimeMultipart *)g_mime_parser_construct_part(parser);
  99
 100                 if (multipart) {
 101                         struct gmime_callback_data cd = {callback, user_data};
 102
 103                         SIPE_DEBUG_INFO("sipe_mime_parts_foreach: %d parts", g_mime_multipart_get_count(multipart));
 104
 105                         g_mime_multipart_foreach(multipart, gmime_callback, &cd);
 106                         g_object_unref(multipart);
 107                 }
 108
 109                 g_object_unref(parser);
 110                 g_object_unref(stream);
 111         }
 112         g_free(doc);
 113 }
 114
 115 /*
 116   Local Variables:
 117   mode: c
 118   c-file-style: "bsd"
 119   indent-tabs-mode: t
 120   tab-width: 8
 121   End:
 122 */