src/core/sipe-mime.c

   1 /**
   2  * @file sipe-mime.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2010-11 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 void sipe_mime_init(void)
  36 {
  37         g_mime_init(0);
  38 }
  39
  40 void sipe_mime_shutdown(void)
  41 {
  42         g_mime_shutdown();
  43 }
  44
  45 struct gmime_callback_data {
  46         sipe_mime_parts_cb callback;
  47         gpointer user_data;
  48 };
  49
  50 static GSList *gmime_fields_to_nameval(GMimeObject *part)
  51 {
  52         GMimeHeaderList *headers = g_mime_object_get_header_list(part);
  53         GMimeHeaderIter *iter = g_mime_header_iter_new();
  54         GSList *fields = NULL;
  55
  56         if (g_mime_header_list_get_iter(headers, iter)) {
  57                 do {
  58                         fields = sipe_utils_nameval_add(fields,
  59                                                         g_mime_header_iter_get_name(iter),
  60                                                         g_mime_header_iter_get_value(iter));
  61
  62                 } while (g_mime_header_iter_next(iter));
  63         }
  64         g_mime_header_iter_free(iter);
  65
  66         return fields;
  67 }
  68
  69 static void gmime_callback(SIPE_UNUSED_PARAMETER GMimeObject *parent,
  70                            GMimeObject *part,
  71                            gpointer user_data)
  72 {
  73         GMimeDataWrapper *data = g_mime_part_get_content_object((GMimePart *)part);
  74
  75         if (data) {
  76                 GMimeStream *stream = g_mime_data_wrapper_get_stream(data);
  77
  78                 if (stream) {
  79                         ssize_t length = g_mime_stream_length(stream);
  80
  81                         if (length != -1) {
  82                                 gchar *content = g_malloc(length + 1);
  83
  84                                 if (g_mime_stream_read(stream, content, length) == length) {
  85                                         struct gmime_callback_data *cd = user_data;
  86                                         GSList *fields = gmime_fields_to_nameval(part);
  87
  88                                         (*(cd->callback))(cd->user_data, fields, content, length);
  89
  90                                         sipe_utils_nameval_free(fields);
  91                                 }
  92                                 g_free(content);
  93                         }
  94                 }
  95         }
  96 }
  97
  98 void sipe_mime_parts_foreach(const gchar *type,
  99                              const gchar *body,
 100                              sipe_mime_parts_cb callback,
 101                              gpointer user_data)
 102 {
 103         gchar *doc = g_strdup_printf("Content-Type: %s\r\n\r\n%s", type, body);
 104         GMimeStream *stream = g_mime_stream_mem_new_with_buffer(doc, strlen(doc));
 105
 106         if (stream) {
 107                 GMimeParser *parser = g_mime_parser_new_with_stream(stream);
 108                 GMimeMultipart *multipart = (GMimeMultipart *)g_mime_parser_construct_part(parser);
 109
 110                 if (multipart) {
 111                         struct gmime_callback_data cd = {callback, user_data};
 112
 113                         SIPE_DEBUG_INFO("sipe_mime_parts_foreach: %d parts", g_mime_multipart_get_count(multipart));
 114
 115                         g_mime_multipart_foreach(multipart, gmime_callback, &cd);
 116                         g_object_unref(multipart);
 117                 }
 118
 119                 g_object_unref(parser);
 120                 g_object_unref(stream);
 121         }
 122         g_free(doc);
 123 }
 124
 125 /*
 126   Local Variables:
 127   mode: c
 128   c-file-style: "bsd"
 129   indent-tabs-mode: t
 130   tab-width: 8
 131   End:
 132 */