| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * init.php -- initialisation file |
| 5 | * |
| 6 | * File should be loaded in every file in src/ or plugins that occupate an entire frame |
| 7 | * |
| 8 | * @copyright © 2006 The SquirrelMail Project Team |
| 9 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 10 | * @version $Id$ |
| 11 | * @package squirrelmail |
| 12 | */ |
| 13 | |
| 14 | /** |
| 15 | * This is a development version so in order to track programmer mistakes we |
| 16 | * set the error reporting to E_ALL |
| 17 | */ |
| 18 | error_reporting(E_ALL); |
| 19 | |
| 20 | |
| 21 | /** |
| 22 | * If register_globals are on, unregister globals. |
| 23 | * Second test covers boolean set as string (php_value register_globals off). |
| 24 | */ |
| 25 | if ((bool) ini_get('register_globals') && |
| 26 | strtolower(ini_get('register_globals'))!='off') { |
| 27 | /** |
| 28 | * Remove all globals that are not reserved by PHP |
| 29 | * 'value' and 'key' are used by foreach. Don't unset them inside foreach. |
| 30 | */ |
| 31 | foreach ($GLOBALS as $key => $value) { |
| 32 | switch($key) { |
| 33 | case 'HTTP_POST_VARS': |
| 34 | case '_POST': |
| 35 | case 'HTTP_GET_VARS': |
| 36 | case '_GET': |
| 37 | case 'HTTP_COOKIE_VARS': |
| 38 | case '_COOKIE': |
| 39 | case 'HTTP_SERVER_VARS': |
| 40 | case '_SERVER': |
| 41 | case 'HTTP_ENV_VARS': |
| 42 | case '_ENV': |
| 43 | case 'HTTP_POST_FILES': |
| 44 | case '_FILES': |
| 45 | case '_REQUEST': |
| 46 | case 'HTTP_SESSION_VARS': |
| 47 | case '_SESSION': |
| 48 | case 'GLOBALS': |
| 49 | case 'key': |
| 50 | case 'value': |
| 51 | break; |
| 52 | case 'sInitLocation': |
| 53 | // FIXME: variable must be set only in src/login.php |
| 54 | break; |
| 55 | default: |
| 56 | unset($GLOBALS[$key]); |
| 57 | } |
| 58 | } |
| 59 | // Unset variables used in foreach |
| 60 | unset($GLOBALS['key']); |
| 61 | unset($GLOBALS['value']); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * [#1518885] session.use_cookies = off breaks SquirrelMail |
| 66 | * |
| 67 | * When session cookies are not used, all http redirects, meta refreshes, |
| 68 | * src/download.php and javascript URLs are broken. Setting must be set |
| 69 | * before session is started. |
| 70 | */ |
| 71 | if (!(bool)ini_get('session.use_cookies') || |
| 72 | ini_get('session.use_cookies') == 'off') { |
| 73 | ini_set('session.use_cookies','1'); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * calculate SM_PATH and calculate the base_uri |
| 78 | * assumptions made: init.php is only called from plugins or from the src dir. |
| 79 | * files in the plugin directory may not be part of a subdirectory called "src" |
| 80 | * |
| 81 | */ |
| 82 | if (isset($_SERVER['SCRIPT_NAME'])) { |
| 83 | $a = explode('/',$_SERVER['SCRIPT_NAME']); |
| 84 | } elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) { |
| 85 | $a = explode('/',$HTTP_SERVER_VARS['SCRIPT_NAME']); |
| 86 | } else { |
| 87 | $error = 'Unable to detect script environment. ' |
| 88 | .'Please test your PHP settings and send PHP core config, $_SERVER ' |
| 89 | .'and $HTTP_SERVER_VARS to SquirrelMail developers.'; |
| 90 | die($error); |
| 91 | } |
| 92 | $sSM_PATH = ''; |
| 93 | for($i = count($a) -2;$i > -1; --$i) { |
| 94 | $sSM_PATH .= '../'; |
| 95 | if ($a[$i] === 'src' || $a[$i] === 'plugins') { |
| 96 | break; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | $base_uri = implode('/',array_slice($a,0,$i)). '/'; |
| 101 | |
| 102 | define('SM_PATH',$sSM_PATH); |
| 103 | define('SM_BASE_URI', $base_uri); |
| 104 | /** |
| 105 | * global var $bInit is used to check if initialisation took place. |
| 106 | * At this moment it's a workarounf for the include of addrbook_search_html |
| 107 | * inside compose.php. If we found a better way then remove this. Do only use |
| 108 | * this var if you know for sure a page can be called stand alone and be included |
| 109 | * in another file. |
| 110 | */ |
| 111 | $bInit = true; |
| 112 | |
| 113 | /** |
| 114 | * This theme as a failsafe if no themes were found, or if we error |
| 115 | * out before anything could be initialised. |
| 116 | */ |
| 117 | $color = array(); |
| 118 | $color[0] = '#DCDCDC'; /* light gray TitleBar */ |
| 119 | $color[1] = '#800000'; /* red */ |
| 120 | $color[2] = '#CC0000'; /* light red Warning/Error Messages */ |
| 121 | $color[3] = '#A0B8C8'; /* green-blue Left Bar Background */ |
| 122 | $color[4] = '#FFFFFF'; /* white Normal Background */ |
| 123 | $color[5] = '#FFFFCC'; /* light yellow Table Headers */ |
| 124 | $color[6] = '#000000'; /* black Text on left bar */ |
| 125 | $color[7] = '#0000CC'; /* blue Links */ |
| 126 | $color[8] = '#000000'; /* black Normal text */ |
| 127 | $color[9] = '#ABABAB'; /* mid-gray Darker version of #0 */ |
| 128 | $color[10] = '#666666'; /* dark gray Darker version of #9 */ |
| 129 | $color[11] = '#770000'; /* dark red Special Folders color */ |
| 130 | $color[12] = '#EDEDED'; |
| 131 | $color[13] = '#800000'; /* (dark red) Color for quoted text -- > 1 quote */ |
| 132 | $color[14] = '#ff0000'; /* (red) Color for quoted text -- >> 2 or more */ |
| 133 | $color[15] = '#002266'; /* (dark blue) Unselectable folders */ |
| 134 | $color[16] = '#ff9933'; /* (orange) Highlight color */ |
| 135 | |
| 136 | require(SM_PATH . 'functions/global.php'); |
| 137 | require(SM_PATH . 'functions/arrays.php'); |
| 138 | |
| 139 | /* load default configuration */ |
| 140 | require(SM_PATH . 'config/config_default.php'); |
| 141 | /* reset arrays in default configuration */ |
| 142 | $ldap_server = array(); |
| 143 | $plugins = array(); |
| 144 | $fontsets = array(); |
| 145 | $aTemplateSet = array(); |
| 146 | $aTemplateSet[0]['ID'] = 'default'; |
| 147 | $aTemplateSet[0]['NAME'] = 'Default'; |
| 148 | |
| 149 | /* load site configuration */ |
| 150 | require(SM_PATH . 'config/config.php'); |
| 151 | /* load local configuration overrides */ |
| 152 | if (file_exists(SM_PATH . 'config/config_local.php')) { |
| 153 | require(SM_PATH . 'config/config_local.php'); |
| 154 | } |
| 155 | |
| 156 | require(SM_PATH . 'functions/plugin.php'); |
| 157 | require(SM_PATH . 'include/constants.php'); |
| 158 | require(SM_PATH . 'include/languages.php'); |
| 159 | require(SM_PATH . 'class/template/Template.class.php'); |
| 160 | |
| 161 | /** |
| 162 | * If magic_quotes_runtime is on, SquirrelMail breaks in new and creative ways. |
| 163 | * Force magic_quotes_runtime off. |
| 164 | * tassium@squirrelmail.org - I put it here in the hopes that all SM code includes this. |
| 165 | * If there's a better place, please let me know. |
| 166 | */ |
| 167 | ini_set('magic_quotes_runtime','0'); |
| 168 | |
| 169 | |
| 170 | /* if running with magic_quotes_gpc then strip the slashes |
| 171 | from POST and GET global arrays */ |
| 172 | if (get_magic_quotes_gpc()) { |
| 173 | sqstripslashes($_GET); |
| 174 | sqstripslashes($_POST); |
| 175 | } |
| 176 | |
| 177 | |
| 178 | /* strip any tags added to the url from PHP_SELF. |
| 179 | This fixes hand crafted url XXS expoits for any |
| 180 | page that uses PHP_SELF as the FORM action */ |
| 181 | $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); |
| 182 | |
| 183 | $PHP_SELF = php_self(); |
| 184 | |
| 185 | /** |
| 186 | * Initialize the session |
| 187 | */ |
| 188 | |
| 189 | /** set the name of the session cookie */ |
| 190 | if (!isset($session_name) || !$session_name) { |
| 191 | $session_name = 'SQMSESSID'; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * if session.auto_start is On then close the session |
| 196 | */ |
| 197 | $sSessionAutostartName = session_name(); |
| 198 | if ((isset($sSessionAutostartName) || $sSessionAutostartName == '') && |
| 199 | $sSessionAutostartName !== $session_name) { |
| 200 | $sCookiePath = ini_get('session.cookie_path'); |
| 201 | $sCookieDomain = ini_get('session.cookie_domain'); |
| 202 | // reset the cookie |
| 203 | setcookie($sSessionAutostartName,'',time() - 604800,$sCookiePath,$sCookieDomain); |
| 204 | @session_destroy(); |
| 205 | session_write_close(); |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * includes from classes stored in the session |
| 210 | */ |
| 211 | require(SM_PATH . 'class/mime.class.php'); |
| 212 | |
| 213 | ini_set('session.name' , $session_name); |
| 214 | session_set_cookie_params (0, $base_uri); |
| 215 | sqsession_is_active(); |
| 216 | |
| 217 | /** |
| 218 | * DISABLED. |
| 219 | * Remove globalized session data in rg=on setups |
| 220 | * |
| 221 | * Code can be utilized when session is started, but data is not loaded. |
| 222 | * We have already loaded configuration and other important vars. Can't |
| 223 | * clean session globals here. |
| 224 | if ((bool) @ini_get('register_globals') && |
| 225 | strtolower(ini_get('register_globals'))!='off') { |
| 226 | foreach ($_SESSION as $key => $value) { |
| 227 | unset($GLOBALS[$key]); |
| 228 | } |
| 229 | } |
| 230 | */ |
| 231 | |
| 232 | sqsession_register(SM_BASE_URI,'base_uri'); |
| 233 | |
| 234 | /** |
| 235 | * SquirrelMail version number -- DO NOT CHANGE |
| 236 | */ |
| 237 | $version = '1.5.2 [CVS]'; |
| 238 | |
| 239 | /** |
| 240 | * SquirrelMail internal version number -- DO NOT CHANGE |
| 241 | * $sm_internal_version = array (release, major, minor) |
| 242 | */ |
| 243 | $SQM_INTERNAL_VERSION = array(1,5,2); |
| 244 | |
| 245 | /** |
| 246 | * Retrieve the language cookie |
| 247 | */ |
| 248 | if (! sqgetGlobalVar('squirrelmail_language',$squirrelmail_language,SQ_COOKIE)) { |
| 249 | $squirrelmail_language = ''; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | /** |
| 254 | * @var $sInitlocation From where do we include. |
| 255 | */ |
| 256 | if (!isset($sInitLocation)) { |
| 257 | $sInitLocation=NULL; |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * MAIN PLUGIN LOADING CODE HERE |
| 262 | */ |
| 263 | |
| 264 | /** |
| 265 | * Include Compatibility plugin if available. |
| 266 | */ |
| 267 | if (file_exists(SM_PATH . 'plugins/compatibility/functions.php')) |
| 268 | include_once(SM_PATH . 'plugins/compatibility/functions.php'); |
| 269 | $squirrelmail_plugin_hooks = array(); |
| 270 | |
| 271 | /** |
| 272 | * On init, we no longer need to load all plugin setup files. |
| 273 | * Now, we load the statically generated hook registrations here |
| 274 | * and let the hook calls include only the plugins needed. |
| 275 | */ |
| 276 | if (file_exists(SM_PATH . 'config/plugin_hooks.php')) { |
| 277 | require(SM_PATH . 'config/plugin_hooks.php'); |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Before 1.5.2 version hook was part of functions/constants.php. |
| 282 | * After init layout changes, hook had to be moved because include/constants.php is |
| 283 | * loaded before plugins are initialized. |
| 284 | * @since 1.2.0 |
| 285 | */ |
| 286 | do_hook('loading_constants'); |
| 287 | |
| 288 | switch ($sInitLocation) { |
| 289 | case 'style': |
| 290 | |
| 291 | // need to get the right template set up |
| 292 | // |
| 293 | sqGetGlobalVar('templateid', $templateid, SQ_GET); |
| 294 | |
| 295 | // sanitize just in case... |
| 296 | // |
| 297 | $templateid = preg_replace('/(\.\.\/){1,}/', '', $templateid); |
| 298 | |
| 299 | // make sure given template actually is available |
| 300 | // |
| 301 | $found_templateset = false; |
| 302 | for ($i = 0; $i < count($aTemplateSet); ++$i) { |
| 303 | if ($aTemplateSet[$i]['ID'] == $templateid) { |
| 304 | $found_templateset = true; |
| 305 | break; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | // FIXME: do we need/want to check here for actual (physical) presence of template sets? |
| 310 | // selected template not available, fall back to default template |
| 311 | // |
| 312 | if (!$found_templateset) { |
| 313 | $sTemplateID = Template::get_default_template_set(); |
| 314 | } else { |
| 315 | $sTemplateID = $templateid; |
| 316 | } |
| 317 | |
| 318 | session_write_close(); |
| 319 | sqsetcookieflush(); |
| 320 | break; |
| 321 | |
| 322 | case 'redirect': |
| 323 | /** |
| 324 | * directory hashing functions are needed for all setups in case |
| 325 | * plugins use own pref files. |
| 326 | */ |
| 327 | require(SM_PATH . 'functions/prefs.php'); |
| 328 | require(SM_PATH . 'functions/auth.php'); |
| 329 | /* hook loads custom prefs backend plugins */ |
| 330 | $prefs_backend = do_hook_function('prefs_backend'); |
| 331 | if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) { |
| 332 | require(SM_PATH . $prefs_backend); |
| 333 | } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) { |
| 334 | require(SM_PATH . 'functions/db_prefs.php'); |
| 335 | } else { |
| 336 | require(SM_PATH . 'functions/file_prefs.php'); |
| 337 | } |
| 338 | //nobreak; |
| 339 | case 'login': |
| 340 | require(SM_PATH . 'functions/display_messages.php' ); |
| 341 | require(SM_PATH . 'functions/page_header.php'); |
| 342 | require(SM_PATH . 'functions/html.php'); |
| 343 | |
| 344 | // reset template file cache |
| 345 | // |
| 346 | $sTemplateID = Template::get_default_template_set(); |
| 347 | Template::cache_template_file_hierarchy(TRUE); |
| 348 | |
| 349 | /** |
| 350 | * Make sure icon variables are setup for the login page. |
| 351 | */ |
| 352 | $icon_theme = $icon_themes[$icon_theme_def]['PATH']; |
| 353 | /* |
| 354 | * NOTE: The $icon_theme_path var should contain the path to the icon |
| 355 | * theme to use. If the admin has disabled icons, or the user has |
| 356 | * set the icon theme to "None," no icons will be used. |
| 357 | */ |
| 358 | $icon_theme_path = (!$use_icons || $icon_theme=='none') ? NULL : ($icon_theme == 'template' ? SM_PATH . Template::calculate_template_images_directory($sTemplateID) : $icon_theme); |
| 359 | |
| 360 | /** |
| 361 | * cleanup old cookies with a cookie path the same as the standard php.ini |
| 362 | * cookie path. All previous SquirrelMail version used the standard php.ini |
| 363 | * cookie path for storing the session name. That behaviour changed. |
| 364 | */ |
| 365 | if ($sCookiePath !== SM_BASE_URI) { |
| 366 | /** |
| 367 | * do not delete the standard sessions with session.name is i.e. PHPSESSID |
| 368 | * because they probably belong to other php apps |
| 369 | */ |
| 370 | if (ini_get('session.name') !== $sSessionAutostartName) { |
| 371 | sqsetcookie(ini_get('session.name'),'',0,$sCookiePath); |
| 372 | } |
| 373 | } |
| 374 | break; |
| 375 | default: |
| 376 | require(SM_PATH . 'functions/display_messages.php' ); |
| 377 | require(SM_PATH . 'functions/page_header.php'); |
| 378 | require(SM_PATH . 'functions/html.php'); |
| 379 | require(SM_PATH . 'functions/strings.php'); |
| 380 | |
| 381 | |
| 382 | /** |
| 383 | * Check if we are logged in |
| 384 | */ |
| 385 | require(SM_PATH . 'functions/auth.php'); |
| 386 | |
| 387 | if ( !sqsession_is_registered('user_is_logged_in') ) { |
| 388 | // First we store some information in the new session to prevent |
| 389 | // information-loss. |
| 390 | // |
| 391 | $session_expired_post = $_POST; |
| 392 | $session_expired_location = $PHP_SELF; |
| 393 | if (!sqsession_is_registered('session_expired_post')) { |
| 394 | sqsession_register($session_expired_post,'session_expired_post'); |
| 395 | } |
| 396 | if (!sqsession_is_registered('session_expired_location')) { |
| 397 | sqsession_register($session_expired_location,'session_expired_location'); |
| 398 | } |
| 399 | // signout page will deal with users who aren't logged |
| 400 | // in on its own; don't show error here |
| 401 | // |
| 402 | if (strpos($PHP_SELF, 'signout.php') !== FALSE) { |
| 403 | return; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Initialize the template object (logout_error uses it) |
| 408 | */ |
| 409 | /* |
| 410 | * $sTemplateID is not initialized when a user is not logged in, so we |
| 411 | * will use the config file defaults here. If the neccesary variables |
| 412 | * are net set, force a default value. |
| 413 | */ |
| 414 | $sTemplateID = Template::get_default_template_set(); |
| 415 | $oTemplate = Template::construct_template($sTemplateID); |
| 416 | |
| 417 | set_up_language($squirrelmail_language, true); |
| 418 | logout_error( _("You must be logged in to access this page.") ); |
| 419 | exit; |
| 420 | } |
| 421 | |
| 422 | sqgetGlobalVar('username',$username,SQ_SESSION); |
| 423 | sqgetGlobalVar('authz',$authz,SQ_SESSION); |
| 424 | |
| 425 | /** |
| 426 | * Setting the prefs backend |
| 427 | */ |
| 428 | sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION ); |
| 429 | sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION ); |
| 430 | |
| 431 | if ( !sqsession_is_registered('prefs_are_cached') || |
| 432 | !isset( $prefs_cache) || |
| 433 | !is_array( $prefs_cache)) { |
| 434 | $prefs_are_cached = false; |
| 435 | $prefs_cache = false; //array(); |
| 436 | } |
| 437 | |
| 438 | /* see 'redirect' case */ |
| 439 | require(SM_PATH . 'functions/prefs.php'); |
| 440 | |
| 441 | $prefs_backend = do_hook_function('prefs_backend'); |
| 442 | if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) { |
| 443 | require(SM_PATH . $prefs_backend); |
| 444 | } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) { |
| 445 | require(SM_PATH . 'functions/db_prefs.php'); |
| 446 | } else { |
| 447 | require(SM_PATH . 'functions/file_prefs.php'); |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * initializing user settings |
| 452 | */ |
| 453 | require(SM_PATH . 'include/load_prefs.php'); |
| 454 | |
| 455 | // i do not understand the frames language cookie story |
| 456 | /** |
| 457 | * We'll need this to later have a noframes version |
| 458 | * |
| 459 | * Check if the user has a language preference, but no cookie. |
| 460 | * Send him a cookie with his language preference, if there is |
| 461 | * such discrepancy. |
| 462 | */ |
| 463 | $my_language = getPref($data_dir, $username, 'language'); |
| 464 | if ($my_language != $squirrelmail_language) { |
| 465 | sqsetcookie('squirrelmail_language', $my_language, time()+2592000, $base_uri); |
| 466 | } |
| 467 | // /dont understand |
| 468 | |
| 469 | /** |
| 470 | * Set up the language. |
| 471 | */ |
| 472 | $err=set_up_language(getPref($data_dir, $username, 'language')); |
| 473 | /* this is the last cookie we set so flush it. */ |
| 474 | sqsetcookieflush(); |
| 475 | |
| 476 | // Japanese translation used without mbstring support |
| 477 | if ($err==2) { |
| 478 | $sError = |
| 479 | "<p>You need to have PHP installed with the multibyte string function \n". |
| 480 | "enabled (using configure option --enable-mbstring).</p>\n". |
| 481 | "<p>System assumed that you accidently switched to Japanese translation \n". |
| 482 | "and reverted your language preference to English.</p>\n". |
| 483 | "<p>Please refresh this page in order to use webmail.</p>\n"; |
| 484 | error_box($sError); |
| 485 | } |
| 486 | |
| 487 | $timeZone = getPref($data_dir, $username, 'timezone'); |
| 488 | |
| 489 | /* Check to see if we are allowed to set the TZ environment variable. |
| 490 | * We are able to do this if ... |
| 491 | * safe_mode is disabled OR |
| 492 | * safe_mode_allowed_env_vars is empty (you are allowed to set any) OR |
| 493 | * safe_mode_allowed_env_vars contains TZ |
| 494 | */ |
| 495 | $tzChangeAllowed = (!ini_get('safe_mode')) || |
| 496 | !strcmp(ini_get('safe_mode_allowed_env_vars'),'') || |
| 497 | preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')); |
| 498 | |
| 499 | if ( $timeZone != SMPREF_NONE && ($timeZone != "") |
| 500 | && $tzChangeAllowed ) { |
| 501 | |
| 502 | // get time zone key, if strict or custom strict timezones are used |
| 503 | if (isset($time_zone_type) && |
| 504 | ($time_zone_type == 1 || $time_zone_type == 3)) { |
| 505 | /* load time zone functions */ |
| 506 | require(SM_PATH . 'include/timezones.php'); |
| 507 | $realTimeZone = sq_get_tz_key($timeZone); |
| 508 | } else { |
| 509 | $realTimeZone = $timeZone; |
| 510 | } |
| 511 | |
| 512 | // set time zone |
| 513 | if ($realTimeZone) { |
| 514 | putenv("TZ=".$realTimeZone); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | /** |
| 519 | * php 5.1.0 added time zone functions. Set time zone with them in order |
| 520 | * to prevent E_STRICT notices and allow time zone modifications in safe_mode. |
| 521 | */ |
| 522 | if (function_exists('date_default_timezone_set')) { |
| 523 | if ($timeZone != SMPREF_NONE && $timeZone != "") { |
| 524 | date_default_timezone_set($timeZone); |
| 525 | } else { |
| 526 | // interface runs on server's time zone. Remove php E_STRICT complains |
| 527 | $default_timezone = @date_default_timezone_get(); |
| 528 | date_default_timezone_set($default_timezone); |
| 529 | } |
| 530 | } |
| 531 | break; |
| 532 | } |
| 533 | |
| 534 | /* |
| 535 | * $sTemplateID is not initialized when a user is not logged in, so we |
| 536 | * will use the config file defaults here. If the neccesary variables |
| 537 | * are not set, force a default value. |
| 538 | * |
| 539 | * If the user is logged in, $sTemplateID will be set in load_prefs.php, |
| 540 | * so we shouldn't change it here. |
| 541 | */ |
| 542 | if (!isset($sTemplateID)) { |
| 543 | $sTemplateID = Template::get_default_template_set(); |
| 544 | $icon_theme_path = !$use_icons ? NULL : Template::calculate_template_images_directory($sTemplateID); |
| 545 | } |
| 546 | |
| 547 | // template object may have already been constructed in load_prefs.php |
| 548 | // |
| 549 | if (empty($oTemplate)) { |
| 550 | $oTemplate = Template::construct_template($sTemplateID); |
| 551 | } |
| 552 | |
| 553 | // We want some variables to always be available to the template |
| 554 | $always_include = array('sTemplateID', 'icon_theme_path', 'javascript_on'); |
| 555 | foreach ($always_include as $var) { |
| 556 | $oTemplate->assign($var, (isset($$var) ? $$var : NULL)); |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * Initialize our custom error handler object |
| 561 | */ |
| 562 | require(SM_PATH . 'class/error.class.php'); |
| 563 | $oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl'); |
| 564 | |
| 565 | /** |
| 566 | * Activate custom error handling |
| 567 | */ |
| 568 | if (version_compare(PHP_VERSION, "4.3.0", ">=")) { |
| 569 | $oldErrorHandler = set_error_handler(array($oErrorHandler, 'SquirrelMailErrorhandler')); |
| 570 | } else { |
| 571 | $oldErrorHandler = set_error_handler('SquirrelMailErrorhandler'); |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * Javascript support detection function |
| 576 | * @param boolean $reset recheck javascript support if set to true. |
| 577 | * @return integer SMPREF_JS_ON or SMPREF_JS_OFF ({@see include/constants.php}) |
| 578 | * @since 1.5.1 |
| 579 | */ |
| 580 | function checkForJavascript($reset = FALSE) { |
| 581 | global $data_dir, $username, $javascript_on, $javascript_setting; |
| 582 | |
| 583 | if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) ) |
| 584 | return $javascript_on; |
| 585 | |
| 586 | if ( $reset || !isset($javascript_setting) ) |
| 587 | $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); |
| 588 | |
| 589 | if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) && |
| 590 | !sqGetGlobalVar('js_autodetect_results', $js_autodetect_results) ) |
| 591 | $js_autodetect_results = SMPREF_JS_OFF; |
| 592 | |
| 593 | if ( $javascript_setting == SMPREF_JS_AUTODETECT ) |
| 594 | $javascript_on = $js_autodetect_results; |
| 595 | else |
| 596 | $javascript_on = $javascript_setting; |
| 597 | |
| 598 | sqsession_register($javascript_on, 'javascript_on'); |
| 599 | return $javascript_on; |
| 600 | } |
| 601 | |
| 602 | function sqm_baseuri() { |
| 603 | global $base_uri; |
| 604 | return $base_uri; |
| 605 | } |