pidgin/plugins/relnot.c

   1 /*
   2  * Release Notification Plugin
   3  *
   4  * Copyright (C) 2003, Nathan Walp <faceprint@faceprint.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02111-1301, USA.
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #ifndef PURPLE_PLUGINS
  27 #define PURPLE_PLUGINS
  28 #endif
  29
  30 #include "internal.h"
  31
  32 #include <string.h>
  33
  34 #include "connection.h"
  35 #include "core.h"
  36 #include "debug.h"
  37 #include "gtkblist.h"
  38 #include "gtkutils.h"
  39 #include "notify.h"
  40 #include "pidginstock.h"
  41 #include "prefs.h"
  42 #include "util.h"
  43 #include "version.h"
  44
  45 #include "pidgin.h"
  46
  47 /* 1 day */
  48 #define MIN_CHECK_INTERVAL 60 * 60 * 24
  49
  50 static void
  51 release_hide()
  52 {
  53         /* No-op.  We may use this method in the future to avoid showing
  54          * the popup twice */
  55 }
  56
  57 static void
  58 release_show()
  59 {
  60         purple_notify_uri(NULL, PURPLE_WEBSITE);
  61 }
  62
  63 static void
  64 version_fetch_cb(PurpleUtilFetchUrlData *url_data, gpointer user_data,
  65                 const gchar *response, size_t len, const gchar *error_message)
  66 {
  67         gchar *cur_ver;
  68         const char *tmp, *changelog;
  69         char response_code[4];
  70         GtkWidget *release_dialog;
  71
  72         GString *message;
  73         int i = 0;
  74
  75         if(error_message || !response || !len)
  76                 return;
  77
  78         memset(response_code, '\0', sizeof(response_code));
  79         /* Parse the status code - the response should be in the form of "HTTP/?.? 200 ..." */
  80         if ((tmp = strstr(response, " ")) != NULL) {
  81                 tmp++;
  82                 /* Read the 3 digit status code */
  83                 if (len - (tmp - response) > 3) {
  84                         memcpy(response_code, tmp, 3);
  85                 }
  86         }
  87
  88         if (!purple_strequal(response_code, "200")) {
  89                 purple_debug_error("relnot", "Didn't recieve a HTTP status code of 200.\n");
  90                 return;
  91         }
  92
  93         /* Go to the start of the data */
  94         if((changelog = strstr(response, "\r\n\r\n")) == NULL) {
  95                 purple_debug_error("relnot", "Unable to find start of HTTP response data.\n");
  96                 return;
  97         }
  98         changelog += 4;
  99
 100         while(changelog[i] && changelog[i] != '\n') i++;
 101
 102         /* this basically means the version thing wasn't in the format we were
 103          * looking for so sourceforge is probably having web server issues, and
 104          * we should try again later */
 105         if(i == 0)
 106                 return;
 107
 108         cur_ver = g_strndup(changelog, i);
 109
 110         message = g_string_new("");
 111         g_string_append_printf(message, _("You can upgrade to %s %s today."),
 112                         PIDGIN_NAME, cur_ver);
 113
 114         release_dialog = pidgin_make_mini_dialog(
 115                 NULL, PIDGIN_STOCK_DIALOG_INFO,
 116                 _("New Version Available"),
 117                 message->str,
 118                 NULL,
 119                 _("Later"), PURPLE_CALLBACK(release_hide),
 120                 _("Download Now"), PURPLE_CALLBACK(release_show),
 121                 NULL);
 122
 123         pidgin_blist_add_alert(release_dialog);
 124
 125         g_string_free(message, TRUE);
 126         g_free(cur_ver);
 127 }
 128
 129 static void
 130 do_check(void)
 131 {
 132         int last_check = purple_prefs_get_int("/plugins/gtk/relnot/last_check");
 133         if(!last_check || time(NULL) - last_check > MIN_CHECK_INTERVAL) {
 134                 gchar *url, *request;
 135                 const char *host = "pidgin.im";
 136
 137                 url = g_strdup_printf("https://%s/version.php?version=%s&build=%s",
 138                                 host,
 139                                 purple_core_get_version(),
 140 #ifdef _WIN32
 141                                 "purple-win32"
 142 #else
 143                                 "purple"
 144 #endif
 145                 );
 146
 147                 request = g_strdup_printf(
 148                                 "GET %s HTTP/1.0\r\n"
 149                                 "Connection: close\r\n"
 150                                 "Accept: */*\r\n"
 151                                 "Host: %s\r\n\r\n",
 152                                 url,
 153                                 host);
 154
 155                 purple_util_fetch_url_request_len(url, TRUE, NULL, FALSE,
 156                         request, TRUE, -1, version_fetch_cb, NULL);
 157
 158                 g_free(request);
 159                 g_free(url);
 160
 161                 purple_prefs_set_int("/plugins/gtk/relnot/last_check", time(NULL));
 162
 163         }
 164 }
 165
 166 static void
 167 signed_on_cb(PurpleConnection *gc, void *data) {
 168         do_check();
 169 }
 170
 171 /**************************************************************************
 172  * Plugin stuff
 173  **************************************************************************/
 174 static gboolean
 175 plugin_load(PurplePlugin *plugin)
 176 {
 177         purple_signal_connect(purple_connections_get_handle(), "signed-on",
 178                                                 plugin, PURPLE_CALLBACK(signed_on_cb), NULL);
 179
 180         /* we don't check if we're offline */
 181         if(purple_connections_get_all())
 182                 do_check();
 183
 184         return TRUE;
 185 }
 186
 187 static PurplePluginInfo info =
 188 {
 189         PURPLE_PLUGIN_MAGIC,
 190         PURPLE_MAJOR_VERSION,
 191         PURPLE_MINOR_VERSION,
 192         PURPLE_PLUGIN_STANDARD,                             /**< type           */
 193         NULL,                                             /**< ui_requirement */
 194         0,                                                /**< flags          */
 195         NULL,                                             /**< dependencies   */
 196         PURPLE_PRIORITY_DEFAULT,                            /**< priority       */
 197
 198         "gtk-relnot",                                     /**< id             */
 199         N_("Release Notification"),                       /**< name           */
 200         DISPLAY_VERSION,                                  /**< version        */
 201                                                           /**  summary        */
 202         N_("Checks periodically for new releases."),
 203                                                           /**  description    */
 204         N_("Checks periodically for new releases and notifies the user "
 205                         "with the ChangeLog."),
 206         "Nathan Walp <faceprint@faceprint.com>",          /**< author         */
 207         PURPLE_WEBSITE,                                     /**< homepage       */
 208
 209         plugin_load,                                      /**< load           */
 210         NULL,                                             /**< unload         */
 211         NULL,                                             /**< destroy        */
 212
 213         NULL,                                             /**< ui_info        */
 214         NULL,                                             /**< extra_info     */
 215         NULL,
 216         NULL,
 217
 218         /* padding */
 219         NULL,
 220         NULL,
 221         NULL,
 222         NULL
 223 };
 224
 225 static void
 226 init_plugin(PurplePlugin *plugin)
 227 {
 228         purple_prefs_add_none("/plugins/gtk/relnot");
 229         purple_prefs_add_int("/plugins/gtk/relnot/last_check", 0);
 230 }
 231
 232 PURPLE_INIT_PLUGIN(relnot, init_plugin, info)