index.php

   1 <?php
   2 /*
   3  +-----------------------------------------------------------------------+
   4  | RoundCube Webmail IMAP Client                                         |
   5  | Version 0.1-20080302                                                  |
   6  |                                                                       |
   7  | Copyright (C) 2005-2007, 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 1162 2008-03-02 13:20:21Z thomasb $
  40
  41 */
  42
  43 // application constants
  44 define('RCMAIL_VERSION', '0.1-trunk');
  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' && $_action != 'viewsource')
 104 {
 105   // use gzip compression if supported
 106   if (function_exists('ob_gzhandler') && !ini_get('zlib.output_compression'))
 107     ob_start('ob_gzhandler');
 108   else
 109     ob_start();
 110 }
 111
 112
 113 // start session with requested task
 114 rcmail_startup($_task);
 115
 116 // set session related variables
 117 $COMM_PATH = sprintf('./?_task=%s', $_task);
 118 $SESS_HIDDEN_FIELD = '';
 119
 120
 121 // add framed parameter
 122 if ($_framed)
 123 {
 124   $COMM_PATH .= '&_framed=1';
 125   $SESS_HIDDEN_FIELD .= "\n".'<input type="hidden" name="_framed" value="1" />';
 126 }
 127
 128
 129 // init necessary objects for GUI
 130 rcmail_load_gui();
 131
 132
 133 // check DB connections and exit on failure
 134 if ($err_str = $DB->is_error())
 135 {
 136   raise_error(array(
 137     'code' => 603,
 138     'type' => 'db',
 139     'message' => $err_str), FALSE, TRUE);
 140 }
 141
 142
 143 // error steps
 144 if ($_action=='error' && !empty($_GET['_code']))
 145   raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
 146
 147
 148 // try to log in
 149 if ($_action=='login' && $_task=='mail')
 150 {
 151   $host = rcmail_autoselect_host();
 152
 153   // check if client supports cookies
 154   if (empty($_COOKIE))
 155   {
 156     $OUTPUT->show_message("cookiesdisabled", 'warning');
 157   }
 158   else if ($_SESSION['temp'] && !empty($_POST['_user']) && isset($_POST['_pass']) &&
 159            rcmail_login(get_input_value('_user', RCUBE_INPUT_POST),
 160               get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'), $host))
 161   {
 162     // create new session ID
 163     unset($_SESSION['temp']);
 164     sess_regenerate_id();
 165
 166     // send auth cookie if necessary
 167     rcmail_authenticate_session();
 168
 169     // send redirect
 170     header("Location: $COMM_PATH");
 171     exit;
 172   }
 173   else
 174   {
 175     $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'loginfailed', 'warning');
 176     rcmail_kill_session();
 177   }
 178 }
 179
 180 // end session
 181 else if (($_task=='logout' || $_action=='logout') && isset($_SESSION['user_id']))
 182 {
 183   $OUTPUT->show_message('loggedout');
 184   rcmail_kill_session();
 185 }
 186
 187 // check session and auth cookie
 188 else if ($_action != 'login' && $_SESSION['user_id'] && $_action != 'send')
 189 {
 190   if (!rcmail_authenticate_session())
 191   {
 192     $OUTPUT->show_message('sessionerror', 'error');
 193     rcmail_kill_session();
 194   }
 195 }
 196
 197
 198 // log in to imap server
 199 if (!empty($USER->ID) && $_task=='mail')
 200 {
 201   $conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']);
 202   if (!$conn)
 203   {
 204     $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
 205     rcmail_kill_session();
 206   }
 207   else
 208     rcmail_set_imap_prop();
 209 }
 210
 211
 212 // not logged in -> set task to 'login
 213 if (empty($USER->ID))
 214 {
 215   if ($OUTPUT->ajax_call)
 216     $OUTPUT->remote_response("setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);");
 217
 218   $_task = 'login';
 219 }
 220
 221
 222 // check client X-header to verify request origin
 223 if ($OUTPUT->ajax_call)
 224 {
 225   if (empty($CONFIG['devel_mode']) && !rc_request_header('X-RoundCube-Referer'))
 226   {
 227     header('HTTP/1.1 404 Not Found');
 228     die("Invalid Request");
 229   }
 230 }
 231
 232
 233 // set task and action to client
 234 $OUTPUT->set_env('task', $_task);
 235 if (!empty($_action))
 236   $OUTPUT->set_env('action', $_action);
 237
 238
 239
 240 // not logged in -> show login page
 241 if (empty($USER->ID))
 242 {
 243   // check if installer is still active
 244   if (is_file('./installer/index.php'))
 245     $OUTPUT->add_footer('
 246   <div style="background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em">
 247   <h2 style="margin-top:0.2em">Installer script is still accessible</h2>
 248   <p>The install script of your RoundCube installation is still stored in its default location!</p>
 249   <p>Please <b>remove</b> the whole <tt>installer</tt> folder from the RoundCube directory because
 250   these files may expose sensitive configuration data like server passwords and encryption keys
 251   to the public. Make sure you cannot access the <a href="./installer/">installer script</a> from your browser.</p>
 252   </div>');
 253
 254   $OUTPUT->task = 'login';
 255   $OUTPUT->send('login');
 256   exit;
 257 }
 258
 259
 260 // handle keep-alive signal
 261 if ($_action=='keep-alive')
 262 {
 263   $OUTPUT->reset();
 264   $OUTPUT->send('');
 265   exit;
 266 }
 267
 268 // include task specific files
 269 if ($_task=='mail')
 270 {
 271   include_once('program/steps/mail/func.inc');
 272
 273   if ($_action=='show' || $_action=='preview' || $_action=='print')
 274     include('program/steps/mail/show.inc');
 275
 276   if ($_action=='get')
 277     include('program/steps/mail/get.inc');
 278
 279   if ($_action=='moveto' || $_action=='delete')
 280     include('program/steps/mail/move_del.inc');
 281
 282   if ($_action=='mark')
 283     include('program/steps/mail/mark.inc');
 284
 285   if ($_action=='viewsource')
 286     include('program/steps/mail/viewsource.inc');
 287
 288   if ($_action=='sendmdn')
 289     include('program/steps/mail/sendmdn.inc');
 290
 291   if ($_action=='send')
 292     include('program/steps/mail/sendmail.inc');
 293
 294   if ($_action=='upload')
 295     include('program/steps/mail/upload.inc');
 296
 297   if ($_action=='compose' || $_action=='remove-attachment' || $_action=='display-attachment')
 298     include('program/steps/mail/compose.inc');
 299
 300   if ($_action=='addcontact')
 301     include('program/steps/mail/addcontact.inc');
 302
 303   if ($_action=='expunge' || $_action=='purge')
 304     include('program/steps/mail/folders.inc');
 305
 306   if ($_action=='check-recent')
 307     include('program/steps/mail/check_recent.inc');
 308
 309   if ($_action=='getunread')
 310     include('program/steps/mail/getunread.inc');
 311
 312   if ($_action=='list' && isset($_REQUEST['_remote']))
 313     include('program/steps/mail/list.inc');
 314
 315    if ($_action=='search')
 316      include('program/steps/mail/search.inc');
 317
 318   if ($_action=='spell')
 319     include('program/steps/mail/spell.inc');
 320
 321   if ($_action=='rss')
 322     include('program/steps/mail/rss.inc');
 323
 324   if ($_action=='quotadisplay')
 325     include('program/steps/mail/quotadisplay.inc');
 326
 327
 328   // make sure the message count is refreshed
 329   $IMAP->messagecount($_SESSION['mbox'], 'ALL', TRUE);
 330 }
 331
 332
 333 // include task specific files
 334 if ($_task=='addressbook')
 335 {
 336   include_once('program/steps/addressbook/func.inc');
 337
 338   if ($_action=='save')
 339     include('program/steps/addressbook/save.inc');
 340
 341   if ($_action=='edit' || $_action=='add')
 342     include('program/steps/addressbook/edit.inc');
 343
 344   if ($_action=='delete')
 345     include('program/steps/addressbook/delete.inc');
 346
 347   if ($_action=='show')
 348     include('program/steps/addressbook/show.inc');
 349
 350   if ($_action=='list' && $_REQUEST['_remote'])
 351     include('program/steps/addressbook/list.inc');
 352
 353   if ($_action=='search')
 354     include('program/steps/addressbook/search.inc');
 355
 356   if ($_action=='copy')
 357     include('program/steps/addressbook/copy.inc');
 358
 359   if ($_action=='mailto')
 360     include('program/steps/addressbook/mailto.inc');
 361 }
 362
 363
 364 // include task specific files
 365 if ($_task=='settings')
 366 {
 367   include_once('program/steps/settings/func.inc');
 368
 369   if ($_action=='save-identity')
 370     include('program/steps/settings/save_identity.inc');
 371
 372   if ($_action=='add-identity' || $_action=='edit-identity')
 373     include('program/steps/settings/edit_identity.inc');
 374
 375   if ($_action=='delete-identity')
 376     include('program/steps/settings/delete_identity.inc');
 377
 378   if ($_action=='identities')
 379     include('program/steps/settings/identities.inc');
 380
 381   if ($_action=='save-prefs')
 382     include('program/steps/settings/save_prefs.inc');
 383
 384   if ($_action=='folders' || $_action=='subscribe' || $_action=='unsubscribe' ||
 385       $_action=='create-folder' || $_action=='rename-folder' || $_action=='delete-folder')
 386     include('program/steps/settings/manage_folders.inc');
 387
 388 }
 389
 390
 391 // parse main template
 392 $OUTPUT->send($_task);
 393
 394
 395 // if we arrive here, something went wrong
 396 raise_error(array(
 397   'code' => 404,
 398   'type' => 'php',
 399   'line' => __LINE__,
 400   'file' => __FILE__,
 401   'message' => "Invalid request"), TRUE, TRUE);
 402
 403 ?>