X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Fredirect.php;h=6bdb883cb32da5f384516b30e5846a00e15d48f3;hp=b4e96a74594ce1287fd3f1a8276ce1bc895364e7;hb=870ffc40786e9a810e9a8cd228ec5117e70cdaed;hpb=895905c0f766ea03e85deab260b4bb1522dd0e3c diff --git a/src/redirect.php b/src/redirect.php index b4e96a74..6bdb883c 100644 --- a/src/redirect.php +++ b/src/redirect.php @@ -1,160 +1,218 @@ - ** - ** Copyright (c) 1999-2001 The Squirrelmail Development Team - ** Licensed under the GNU GPL. For full terms see the file COPYING. - ** - ** Prevents users from reposting their form data after a successful logout. - ** - ** $Id$ - **/ - - require_once('../functions/i18n.php'); - require_once('../functions/strings.php'); - require_once('../config/config.php'); - - /* Before starting the session, the base URI must be known. Assuming */ - /* that this file is in the src/ subdirectory (or something). */ - ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs); - $base_uri = $regs[1]; - - header('Pragma: no-cache'); - $location = get_location(); - - session_set_cookie_params (0, $base_uri); - session_start(); - - session_unregister ('user_is_logged_in'); - session_register ('base_uri'); - - if (! isset($squirrelmail_language)) { - $squirrelmail_language = ''; - } - set_up_language($squirrelmail_language, true); - - if (!isset($login_username)) { - echo "\n"; - echo "

\n"; - echo "\n"; - echo ' ' . _("You must be logged in to access this page.") . "
"; - echo ' ' . _("Go to the login page") . "\n"; - echo "\n"; - echo "\n"; - exit; - } +/** + * Prevents users from reposting their form data after a successful logout. + * + * Derived from webmail.php by Ralf Kraudelt + * + * @copyright © 1999-2009 The SquirrelMail Project Team + * @license http://opensource.org/licenses/gpl-license.php GNU Public License + * @version $Id$ + * @package squirrelmail + */ + +/** This is the redirect page */ +define('PAGE_NAME', 'redirect'); + +/** + * Include the SquirrelMail initialization file. + */ +require('../include/init.php'); + +/* SquirrelMail required files. */ +require_once(SM_PATH . 'functions/imap_general.php'); +require_once(SM_PATH . 'functions/strings.php'); + +header('Pragma: no-cache'); +$location = get_location(); + +// session_set_cookie_params (0, $base_uri); + +sqsession_unregister ('user_is_logged_in'); +sqsession_register ($base_uri, 'base_uri'); + +/* get globals we me need */ +sqGetGlobalVar('login_username', $login_username); +sqGetGlobalVar('secretkey', $secretkey); +if(!sqGetGlobalVar('squirrelmail_language', $squirrelmail_language) || $squirrelmail_language == '') { + $squirrelmail_language = $squirrelmail_default_language; +} +if (!sqgetGlobalVar('mailtodata', $mailtodata)) { + $mailtodata = ''; +} - /* Refresh the language cookie. */ - if (isset($squirrelmail_language)) { - setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri); - } +/* end of get globals */ - require_once('../functions/prefs.php'); - require_once('../functions/imap.php'); - require_once('../functions/plugin.php'); - require_once('../functions/constants.php'); +set_up_language($squirrelmail_language, true); +/* Refresh the language cookie. */ +sqsetcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, + $base_uri); - if (!session_is_registered('user_is_logged_in')) { - do_hook ('login_before'); +if (!isset($login_username)) { + logout_error( _("You must be logged in to access this page.") ); + exit; +} - $onetimepad = OneTimePadCreate(strlen($secretkey)); - $key = OneTimePadEncrypt($secretkey, $onetimepad); - session_register('onetimepad'); +do_hook('login_before', $null); - /* Verify that username and password are correct. */ - if ($force_username_lowercase) { - $login_username = strtolower($login_username); - } +$onetimepad = OneTimePadCreate(strlen($secretkey)); +$key = OneTimePadEncrypt($secretkey, $onetimepad); - $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0); - if (!$imapConnection) { - echo "\n"; - echo "

"; - echo ""; - echo ""._("There was an error contacting the mail server.")."
"; - echo _("Contact your administrator for help.")."\n"; - echo ""; - echo "\n"; - exit; - } else { - $delimiter = sqimap_get_delimiter ($imapConnection); - } - sqimap_logout($imapConnection); - session_register('delimiter'); +/* remove redundant spaces */ +$login_username = trim($login_username); - $username = $login_username; - session_register ('username'); - setcookie('key', $key, 0, $base_uri); - do_hook ('login_verified'); - } +/* Case-normalise username if so desired */ +if ($force_username_lowercase) { + $login_username = strtolower($login_username); +} + +/* Verify that username and password are correct. */ +$imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0); +/* From now on we are logged it. If the login failed then sqimap_login handles it */ + +/** + * Regenerate session id to make sure that authenticated session uses + * different ID than one used before user authenticated. This is a + * countermeasure against session fixation attacks. + * NB: session_regenerate_id() was added in PHP 4.3.2 (and new session + * cookie is only sent out in this call as of PHP 4.3.3), but PHP 4 + * is not vulnerable to session fixation problems in SquirrelMail + * because it prioritizes $base_uri subdirectory cookies differently + * than PHP 5, which is otherwise vulnerable. If we really want to, + * we could define our own session_regenerate_id() when one does not + * exist, but there seems to be no reason to do so. + */ +sqsession_is_active(); +if (function_exists('session_regenerate_id')) { + session_regenerate_id(); +} + +/** +* The cookie part. session_start and session_regenerate_session normally set +* their own cookie. SquirrelMail sets another cookie which overwites the +* php cookies. The sqsetcookie function sets the cookie by using the header +* function which gives us full control how the cookie is set. We do that +* to add the HttpOnly cookie attribute which blocks javascript access on +* IE6 SP1. +*/ +sqsetcookie(session_name(),session_id(),false,$base_uri); +sqsetcookie('key', $key, false, $base_uri); + +sqsession_register($onetimepad, 'onetimepad'); + +$sqimap_capabilities = sqimap_capability($imapConnection); + +/* Server side sorting control */ +if (isset($sqimap_capabilities['SORT']) && $sqimap_capabilities['SORT'] == true && + isset($disable_server_sort) && $disable_server_sort) { + unset($sqimap_capabilities['SORT']); +} + +/* Thread sort control */ +if (isset($sqimap_capabilities['THREAD']) && $sqimap_capabilities['THREAD'] == true && + isset($disable_thread_sort) && $disable_thread_sort) { + unset($sqimap_capabilities['THREAD']); +} + +sqsession_register($sqimap_capabilities, 'sqimap_capabilities'); +$delimiter = sqimap_get_delimiter ($imapConnection); + +if (isset($sqimap_capabilities['NAMESPACE']) && $sqimap_capabilities['NAMESPACE'] == true) { + $namespace = sqimap_get_namespace($imapConnection); + sqsession_register($namespace, 'sqimap_namespace'); +} + +sqimap_logout($imapConnection); +sqsession_register($delimiter, 'delimiter'); + +$username = $login_username; +sqsession_register ($username, 'username'); +do_hook('login_verified', $null); + +/* Set the login variables. */ +$user_is_logged_in = true; +$just_logged_in = true; + +/* And register with them with the session. */ +sqsession_register ($user_is_logged_in, 'user_is_logged_in'); +sqsession_register ($just_logged_in, 'just_logged_in'); - /* Set the login variables. */ - $user_is_logged_in = true; - $just_logged_in = true; - - /* And register with them with the session. */ - session_register ('user_is_logged_in'); - session_register ('just_logged_in'); - - /* parse the accepted content-types of the client */ - $attachment_common_types = array(); - $attachment_common_types_parsed = array(); - session_register('attachment_common_types'); - session_register('attachment_common_types_parsed'); - - if (isset($HTTP_SERVER_VARS['HTTP_ACCEPT']) && - !isset($attachment_common_types_parsed[$HTTP_SERVER_VARS['HTTP_ACCEPT']])) - attachment_common_parse($HTTP_SERVER_VARS['HTTP_ACCEPT'], $debug); - if (isset($HTTP_ACCEPT) && - !isset($attachment_common_types_parsed[$HTTP_ACCEPT])) - attachment_common_parse($HTTP_ACCEPT, $debug); - - - /* Complete autodetection of Javascript. */ - checkForPrefs($data_dir, $username); - $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); - $js_autodetect_results = (isset($js_autodetect_results) ? $js_autodetect_results : SMPREF_JS_OFF); - if ($javascript_setting == SMPREF_JS_AUTODETECT) { - if ($js_autodetect_results == SMPREF_JS_ON) { - setPref($data_dir, $username, 'javascript_on', SMPREF_JS_ON); +/* parse the accepted content-types of the client */ +$attachment_common_types = array(); +$attachment_common_types_parsed = array(); +sqsession_register($attachment_common_types, 'attachment_common_types'); +sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed'); + +if ( sqgetGlobalVar('HTTP_ACCEPT', $http_accept, SQ_SERVER) && + !isset($attachment_common_types_parsed[$http_accept]) ) { + attachment_common_parse($http_accept); +} + +// having just logged in, need to synch the template file cache +// so the right template set is displayed (per user prefs) +require(SM_PATH . 'include/load_prefs.php'); +global $sTemplateID; +Template::cache_template_file_hierarchy($sTemplateID, TRUE); + +/* Complete autodetection of Javascript. */ +checkForJavascript(); + +/* Compute the URL to forward the user to. */ +$redirect_url = $location . '/webmail.php'; + +if ( sqgetGlobalVar('session_expired_location', $session_expired_location, SQ_SESSION) ) { + sqsession_unregister('session_expired_location'); + if ( $session_expired_location == 'compose' ) { + $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0); + if ($compose_new_win) { + // do not prefix $location here because $session_expired_location is set to the PAGE_NAME + // of the last page + $redirect_url = $location . '/' . $session_expired_location . '.php'; } else { - setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF); + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); } - } else { - setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF); + } else if ($session_expired_location != 'webmail' + && $session_expired_location != 'left_main') { + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); } + unset($session_expired_location); +} - /* Compute the URL to forward the user to. */ - if(isset($rcptemail)) { - $redirect_url = 'webmail.php?right_frame=compose.php&rcptaddress='; - $redirect_url .= urlencode($rcptemail); - } else { - $redirect_url = 'webmail.php'; +if($mailtodata != '') { + $redirect_url = $location . '/webmail.php?right_frame=compose.php&mailtodata='; + $redirect_url .= urlencode($mailtodata); +} + +/* Write session data and send them off to the appropriate page. */ +session_write_close(); +header("Location: $redirect_url"); +exit; + +/* --------------------- end main ----------------------- */ + +function attachment_common_parse($str) { + global $attachment_common_types, $attachment_common_types_parsed; + + /* + * Replace ", " with "," and explode on that as Mozilla 1.x seems to + * use "," to seperate whilst IE, and earlier versions of Mozilla use + * ", " to seperate + */ + + $str = str_replace( ', ' , ',' , $str ); + $types = explode(',', $str); + + foreach ($types as $val) { + // Ignore the ";q=1.0" stuff + if (strpos($val, ';') !== false) { + $val = substr($val, 0, strpos($val, ';')); + } + if (! isset($attachment_common_types[$val])) { + $attachment_common_types[$val] = true; + } } + sqsession_register($attachment_common_types, 'attachment_common_types'); - /* Send them off to the appropriate page. */ - header("Location: $redirect_url"); - - -function attachment_common_parse($str, $debug) -{ - global $attachment_common_types, $attachment_common_types_parsed; - - $attachment_common_types_parsed[$str] = true; - $types = explode(', ', $str); - - foreach ($types as $val) - { - // Ignore the ";q=1.0" stuff - if (strpos($val, ';') !== false) - $val = substr($val, 0, strpos($val, ';')); - - if (! isset($attachment_common_types[$val])) { - $attachment_common_types[$val] = true; - } - } + /* mark as parsed */ + $attachment_common_types_parsed[$str] = true; } - -?>