index.php

   1 <?php
   2 /*
   3  +-----------------------------------------------------------------------+
   4  | RoundCube Webmail IMAP Client                                         |
   5  | Version 0.1.1                                                         |
   6  |                                                                       |
   7  | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
   8  | Licensed under the GNU GPL                                            |
   9  |                                                                       |
  10  | Redistribution and use in source and binary forms, with or without    |
  11  | modification, are permitted provided that the following conditions    |
  12  | are met:                                                              |
  13  |                                                                       |
  14  | o Redistributions of source code must retain the above copyright      |
  15  |   notice, this list of conditions and the following disclaimer.       |
  16  | o Redistributions in binary form must reproduce the above copyright   |
  17  |   notice, this list of conditions and the following disclaimer in the |
  18  |   documentation and/or other materials provided with the distribution.|
  19  | o The names of the authors may not be used to endorse or promote      |
  20  |   products derived from this software without specific prior written  |
  21  |   permission.                                                         |
  22  |                                                                       |
  23  | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
  24  | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
  25  | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
  26  | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |
  27  | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
  28  | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |
  29  | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
  30  | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
  31  | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |
  32  | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
  33  | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |
  34  |                                                                       |
  35  +-----------------------------------------------------------------------+
  36  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  37  +-----------------------------------------------------------------------+
  38
  39  $Id: index.php 1255 2008-04-05 12:49:21Z thomasb $
  40
  41 */
  42
  43 // application constants
  44 define('RCMAIL_VERSION', '0.1.1');
  45 define('RCMAIL_CHARSET', 'UTF-8');
  46 define('JS_OBJECT_NAME', 'rcmail');
  47
  48 // define global vars
  49 $OUTPUT_TYPE = 'html';
  50 $INSTALL_PATH = dirname(__FILE__);
  51 $MAIN_TASKS = array('mail','settings','addressbook','logout');
  52
  53 if (empty($INSTALL_PATH))
  54   $INSTALL_PATH = './';
  55 else
  56   $INSTALL_PATH .= '/';
  57
  58
  59 // make sure path_separator is defined
  60 if (!defined('PATH_SEPARATOR'))
  61   define('PATH_SEPARATOR', (eregi('win', PHP_OS) ? ';' : ':'));
  62
  63
  64 // RC include folders MUST be included FIRST to avoid other
  65 // possible not compatible libraries (i.e PEAR) to be included
  66 // instead the ones provided by RC
  67 ini_set('include_path', $INSTALL_PATH.PATH_SEPARATOR.$INSTALL_PATH.'program'.PATH_SEPARATOR.$INSTALL_PATH.'program/lib'.PATH_SEPARATOR.ini_get('include_path'));
  68
  69 ini_set('session.name', 'roundcube_sessid');
  70 ini_set('session.use_cookies', 1);
  71 ini_set('session.gc_maxlifetime', 21600);
  72 ini_set('session.gc_divisor', 500);
  73 ini_set('error_reporting', E_ALL&~E_NOTICE);
  74 set_magic_quotes_runtime(0);
  75
  76 // increase maximum execution time for php scripts
  77 // (does not work in safe mode)
  78 if (!ini_get('safe_mode')) @set_time_limit(120);
  79
  80 // include base files
  81 require_once('include/rcube_shared.inc');
  82 require_once('include/rcube_imap.inc');
  83 require_once('include/bugs.inc');
  84 require_once('include/main.inc');
  85 require_once('PEAR.php');
  86
  87
  88 // set PEAR error handling
  89 // PEAR::setErrorHandling(PEAR_ERROR_TRIGGER, E_USER_NOTICE);
  90
  91
  92 // catch some url/post parameters
  93 $_task = strip_quotes(get_input_value('_task', RCUBE_INPUT_GPC));
  94 $_action = strip_quotes(get_input_value('_action', RCUBE_INPUT_GPC));
  95 $_framed = (!empty($_GET['_framed']) || !empty($_POST['_framed']));
  96
  97 // use main task if empty or invalid value
  98 if (empty($_task) || !in_array($_task, $MAIN_TASKS))
  99   $_task = 'mail';
 100
 101
 102 // set output buffering
 103 if ($_action != 'get' && $_action != 'viewsource')
 104 {
 105   // use gzip compression if supported
 106   if (function_exists('ob_gzhandler')
 107     && !ini_get('zlib.output_compression')
 108     && ini_get('output_handler') != 'ob_gzhandler')
 109   {
 110     ob_start('ob_gzhandler');
 111   }
 112   else
 113     ob_start();
 114 }
 115
 116
 117 // start session with requested task
 118 rcmail_startup($_task);
 119
 120 // set session related variables
 121 $COMM_PATH = sprintf('./?_task=%s', $_task);
 122 $SESS_HIDDEN_FIELD = '';
 123
 124
 125 // add framed parameter
 126 if ($_framed)
 127 {
 128   $COMM_PATH .= '&_framed=1';
 129   $SESS_HIDDEN_FIELD .= "\n".'<input type="hidden" name="_framed" value="1" />';
 130 }
 131
 132
 133 // init necessary objects for GUI
 134 rcmail_load_gui();
 135
 136
 137 // check DB connections and exit on failure
 138 if ($err_str = $DB->is_error())
 139 {
 140   raise_error(array(
 141     'code' => 603,
 142     'type' => 'db',
 143     'message' => $err_str), FALSE, TRUE);
 144 }
 145
 146
 147 // error steps
 148 if ($_action=='error' && !empty($_GET['_code']))
 149   raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
 150
 151
 152 // try to log in
 153 if ($_action=='login' && $_task=='mail')
 154 {
 155   $host = rcmail_autoselect_host();
 156
 157   // check if client supports cookies
 158   if (empty($_COOKIE))
 159   {
 160     $OUTPUT->show_message("cookiesdisabled", 'warning');
 161   }
 162   else if ($_SESSION['temp'] && !empty($_POST['_user']) && isset($_POST['_pass']) &&
 163            rcmail_login(trim(get_input_value('_user', RCUBE_INPUT_POST), ' '),
 164               get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'), $host))
 165   {
 166     // create new session ID
 167     unset($_SESSION['temp']);
 168     sess_regenerate_id();
 169
 170     // send auth cookie if necessary
 171     rcmail_authenticate_session();
 172
 173     // send redirect
 174     header("Location: $COMM_PATH");
 175     exit;
 176   }
 177   else
 178   {
 179     $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'loginfailed', 'warning');
 180     rcmail_kill_session();
 181   }
 182 }
 183
 184 // end session
 185 else if (($_task=='logout' || $_action=='logout') && isset($_SESSION['user_id']))
 186 {
 187   $OUTPUT->show_message('loggedout');
 188   rcmail_kill_session();
 189 }
 190
 191 // check session and auth cookie
 192 else if ($_action != 'login' && $_SESSION['user_id'] && $_action != 'send')
 193 {
 194   if (!rcmail_authenticate_session())
 195   {
 196     $OUTPUT->show_message('sessionerror', 'error');
 197     rcmail_kill_session();
 198   }
 199 }
 200
 201
 202 // log in to imap server
 203 if (!empty($USER->ID) && $_task=='mail')
 204 {
 205   $conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']);
 206   if (!$conn)
 207   {
 208     $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
 209     rcmail_kill_session();
 210   }
 211   else
 212     rcmail_set_imap_prop();
 213 }
 214
 215
 216 // not logged in -> set task to 'login
 217 if (empty($USER->ID))
 218 {
 219   if ($OUTPUT->ajax_call)
 220     $OUTPUT->remote_response("setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);");
 221
 222   $_task = 'login';
 223 }
 224
 225
 226 // check client X-header to verify request origin
 227 if ($OUTPUT->ajax_call)
 228 {
 229   if (empty($CONFIG['devel_mode']) && !rc_request_header('X-RoundCube-Referer'))
 230   {
 231     header('HTTP/1.1 404 Not Found');
 232     die("Invalid Request");
 233   }
 234 }
 235
 236
 237 // set task and action to client
 238 $OUTPUT->set_env('task', $_task);
 239 if (!empty($_action))
 240   $OUTPUT->set_env('action', $_action);
 241
 242
 243
 244 // not logged in -> show login page
 245 if (empty($USER->ID))
 246 {
 247   // check if installer is still active
 248   if ($CONFIG['enable_installer'] && is_readable('./installer/index.php'))
 249     $OUTPUT->add_footer('
 250   <div style="background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em">
 251   <h2 style="margin-top:0.2em">Installer script is still accessible</h2>
 252   <p>The install script of your RoundCube installation is still stored in its default location!</p>
 253   <p>Please <b>remove</b> the whole <tt>installer</tt> folder from the RoundCube directory because
 254   these files may expose sensitive configuration data like server passwords and encryption keys
 255   to the public. Make sure you cannot access the <a href="./installer/">installer script</a> from your browser.</p>
 256   </div>');
 257
 258   $OUTPUT->task = 'login';
 259   $OUTPUT->send('login');
 260   exit;
 261 }
 262
 263
 264 // handle keep-alive signal
 265 if ($_action=='keep-alive')
 266 {
 267   $OUTPUT->reset();
 268   $OUTPUT->send('');
 269   exit;
 270 }
 271
 272 // include task specific files
 273 if ($_task=='mail')
 274 {
 275   include_once('program/steps/mail/func.inc');
 276
 277   if ($_action=='show' || $_action=='preview' || $_action=='print')
 278     include('program/steps/mail/show.inc');
 279
 280   if ($_action=='get')
 281     include('program/steps/mail/get.inc');
 282
 283   if ($_action=='moveto' || $_action=='delete')
 284     include('program/steps/mail/move_del.inc');
 285
 286   if ($_action=='mark')
 287     include('program/steps/mail/mark.inc');
 288
 289   if ($_action=='viewsource')
 290     include('program/steps/mail/viewsource.inc');
 291
 292   if ($_action=='sendmdn')
 293     include('program/steps/mail/sendmdn.inc');
 294
 295   if ($_action=='send')
 296     include('program/steps/mail/sendmail.inc');
 297
 298   if ($_action=='upload')
 299     include('program/steps/mail/upload.inc');
 300
 301   if ($_action=='compose' || $_action=='remove-attachment' || $_action=='display-attachment')
 302     include('program/steps/mail/compose.inc');
 303
 304   if ($_action=='addcontact')
 305     include('program/steps/mail/addcontact.inc');
 306
 307   if ($_action=='expunge' || $_action=='purge')
 308     include('program/steps/mail/folders.inc');
 309
 310   if ($_action=='check-recent')
 311     include('program/steps/mail/check_recent.inc');
 312
 313   if ($_action=='getunread')
 314     include('program/steps/mail/getunread.inc');
 315
 316   if ($_action=='list' && isset($_REQUEST['_remote']))
 317     include('program/steps/mail/list.inc');
 318
 319    if ($_action=='search')
 320      include('program/steps/mail/search.inc');
 321
 322   if ($_action=='spell')
 323     include('program/steps/mail/spell.inc');
 324
 325   if ($_action=='rss')
 326     include('program/steps/mail/rss.inc');
 327
 328   if ($_action=='quotadisplay')
 329     include('program/steps/mail/quotadisplay.inc');
 330
 331
 332   // make sure the message count is refreshed
 333   $IMAP->messagecount($_SESSION['mbox'], 'ALL', TRUE);
 334 }
 335
 336
 337 // include task specific files
 338 if ($_task=='addressbook')
 339 {
 340   include_once('program/steps/addressbook/func.inc');
 341
 342   if ($_action=='save')
 343     include('program/steps/addressbook/save.inc');
 344
 345   if ($_action=='edit' || $_action=='add')
 346     include('program/steps/addressbook/edit.inc');
 347
 348   if ($_action=='delete')
 349     include('program/steps/addressbook/delete.inc');
 350
 351   if ($_action=='show')
 352     include('program/steps/addressbook/show.inc');
 353
 354   if ($_action=='list' && $_REQUEST['_remote'])
 355     include('program/steps/addressbook/list.inc');
 356
 357   if ($_action=='search')
 358     include('program/steps/addressbook/search.inc');
 359
 360   if ($_action=='copy')
 361     include('program/steps/addressbook/copy.inc');
 362
 363   if ($_action=='mailto')
 364     include('program/steps/addressbook/mailto.inc');
 365 }
 366
 367
 368 // include task specific files
 369 if ($_task=='settings')
 370 {
 371   include_once('program/steps/settings/func.inc');
 372
 373   if ($_action=='save-identity')
 374     include('program/steps/settings/save_identity.inc');
 375
 376   if ($_action=='add-identity' || $_action=='edit-identity')
 377     include('program/steps/settings/edit_identity.inc');
 378
 379   if ($_action=='delete-identity')
 380     include('program/steps/settings/delete_identity.inc');
 381
 382   if ($_action=='identities')
 383     include('program/steps/settings/identities.inc');
 384
 385   if ($_action=='save-prefs')
 386     include('program/steps/settings/save_prefs.inc');
 387
 388   if ($_action=='folders' || $_action=='subscribe' || $_action=='unsubscribe' ||
 389       $_action=='create-folder' || $_action=='rename-folder' || $_action=='delete-folder')
 390     include('program/steps/settings/manage_folders.inc');
 391
 392 }
 393
 394
 395 // parse main template
 396 $OUTPUT->send($_task);
 397
 398
 399 // if we arrive here, something went wrong
 400 raise_error(array(
 401   'code' => 404,
 402   'type' => 'php',
 403   'line' => __LINE__,
 404   'file' => __FILE__,
 405   'message' => "Invalid request"), TRUE, TRUE);
 406
 407 ?>