X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Fredirect.php;h=6bdb883cb32da5f384516b30e5846a00e15d48f3;hp=1a1140a947e7e6f3757382c110f710bc8e2c76e2;hb=1f80d9f527d2cc2933ee7040aecba908692a20ac;hpb=a32985a59fe460e2bf5c2e9ea2dd6004d0f66b54 diff --git a/src/redirect.php b/src/redirect.php index 1a1140a9..6bdb883c 100644 --- a/src/redirect.php +++ b/src/redirect.php @@ -1,125 +1,134 @@ -* -* Copyright (c) 1999-2002 The SquirrelMail Project Team -* Licensed under the GNU GPL. For full terms see the file COPYING. -* -* Prevents users from reposting their form data after a successful logout. -* -* $Id$ -*/ + * 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'); -/* Path for SquirrelMail required files. */ -define('SM_PATH','../'); +/** + * Include the SquirrelMail initialization file. + */ +require('../include/init.php'); /* SquirrelMail required files. */ -require_once(SM_PATH . 'functions/i18n.php'); +require_once(SM_PATH . 'functions/imap_general.php'); require_once(SM_PATH . 'functions/strings.php'); -require_once(SM_PATH . 'config/config.php'); -require_once(SM_PATH . 'functions/prefs.php'); -require_once(SM_PATH . 'functions/imap.php'); -require_once(SM_PATH . 'functions/plugin.php'); -require_once(SM_PATH . 'functions/constants.php'); -require_once(SM_PATH . 'functions/page_header.php'); -require_once(SM_PATH . 'functions/global.php'); - -// Remove slashes if PHP added them -$REQUEST_METHOD = $_SERVER['REQUEST_METHOD']; -if (get_magic_quotes_gpc()) { - if ($REQUEST_METHOD == 'POST') { - RemoveSlashes($_POST); - } else if ($REQUEST_METHOD == 'GET') { - RemoveSlashes($_GET); - } -} - -/* Before starting the session, the base URI must be known. Assuming */ -/* that this file is in the src/ subdirectory (or something). */ -if (!function_exists('sqm_baseuri')){ - require_once(SM_PATH . 'functions/display_messages.php'); -} -$base_uri = sqm_baseuri(); header('Pragma: no-cache'); $location = get_location(); -session_set_cookie_params (0, $base_uri); -session_start(); +// session_set_cookie_params (0, $base_uri); -session_unregister ('user_is_logged_in'); -session_register ('base_uri'); +sqsession_unregister ('user_is_logged_in'); +sqsession_register ($base_uri, 'base_uri'); /* get globals we me need */ -if (isset($_POST['login_username'])) { - $login_username = $_POST['login_username']; -} -if (!isset($_COOKIE['squirrelmail_language']) || - $squirrelmail_language == '' ) { +sqGetGlobalVar('login_username', $login_username); +sqGetGlobalVar('secretkey', $secretkey); +if(!sqGetGlobalVar('squirrelmail_language', $squirrelmail_language) || $squirrelmail_language == '') { $squirrelmail_language = $squirrelmail_default_language; } -else { - $squirrelmail_language = $_COOKIE['squirrelmail_language']; -} -if (isset($_POST['secretkey'])) { - $secretkey = $_POST['secretkey']; -} -if (isset($_POST['js_autodetect_results'])) { - $js_autodetect_results = $_POST['js_autodetect_results']; +if (!sqgetGlobalVar('mailtodata', $mailtodata)) { + $mailtodata = ''; } + /* end of get globals */ set_up_language($squirrelmail_language, true); /* Refresh the language cookie. */ -setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, +sqsetcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, $base_uri); if (!isset($login_username)) { - include_once( '../functions/display_messages.php' ); - logout_error( _("You must be logged in to access this page.") ); + logout_error( _("You must be logged in to access this page.") ); exit; } -if (!session_is_registered('user_is_logged_in')) { - do_hook ('login_before'); +do_hook('login_before', $null); - $onetimepad = OneTimePadCreate(strlen($secretkey)); - $key = OneTimePadEncrypt($secretkey, $onetimepad); - sqsession_register($onetimepad, 'onetimepad'); +$onetimepad = OneTimePadCreate(strlen($secretkey)); +$key = OneTimePadEncrypt($secretkey, $onetimepad); - /* remove redundant spaces */ - $login_username = trim($login_username); +/* remove redundant spaces */ +$login_username = trim($login_username); - /* Verify that username and password are correct. */ - if ($force_username_lowercase) { - $login_username = strtolower($login_username); - } +/* Case-normalise username if so desired */ +if ($force_username_lowercase) { + $login_username = strtolower($login_username); +} - $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0); - if (!$imapConnection) { - $errTitle = _("There was an error contacting the mail server."); - $errString = $errTitle . "
\n". - _("Contact your administrator for help."); - include_once( '../functions/display_messages.php' ); - logout_error( $errString, $errTitle ); - exit; - } else { - $sqimap_capabilities = sqimap_capability($imapConnection); - session_register('sqimap_capabilities'); - $delimiter = sqimap_get_delimiter ($imapConnection); - } - sqimap_logout($imapConnection); - sqsession_register($delimiter, 'delimiter'); +/* 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(); +} - $username = $login_username; - session_register ($username, 'username'); - setcookie('key', $key, 0, $base_uri); - do_hook ('login_verified'); +/** +* The cookie part. session_start and session_regenerate_session normally set +* their own cookie. SquirrelMail sets another cookie which overwites the +* php cookies. The sqsetcookie function sets the cookie by using the header +* function which gives us full control how the cookie is set. We do that +* to add the HttpOnly cookie attribute which blocks javascript access on +* IE6 SP1. +*/ +sqsetcookie(session_name(),session_id(),false,$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; @@ -134,87 +143,76 @@ $attachment_common_types_parsed = array(); sqsession_register($attachment_common_types, 'attachment_common_types'); sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed'); -$debug = false; - -if (isset($_SERVER['HTTP_ACCEPT']) && - !isset($attachment_common_types_parsed[$_SERVER['HTTP_ACCEPT']])) { - attachment_common_parse($_SERVER['HTTP_ACCEPT'], $debug); -} -if (isset($_SERVER['HTTP_ACCEPT']) && - !isset($attachment_common_types_parsed[$_SERVER['HTTP_ACCEPT']])) { - attachment_common_parse($_SERVER['HTTP_ACCEPT'], $debug); +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. */ -$javascript_setting = getPref - ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); -$js_autodetect_results = (isset($js_autodetect_results) ? - $js_autodetect_results : SMPREF_JS_OFF); -/* See if it's set to "Always on" */ -$js_pref = SMPREF_JS_ON; -if ($javascript_setting != SMPREF_JS_ON){ - if ($javascript_setting == SMPREF_JS_AUTODETECT) { - if ($js_autodetect_results == SMPREF_JS_OFF) { - $js_pref = SMPREF_JS_OFF; +checkForJavascript(); + +/* Compute the URL to forward the user to. */ +$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 { + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); } - } else { - $js_pref = SMPREF_JS_OFF; + } else if ($session_expired_location != 'webmail' + && $session_expired_location != 'left_main') { + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); } + unset($session_expired_location); } -/* Update the prefs */ -setPref($data_dir, $username, 'javascript_on', $js_pref); -global $attachments; -$attachments = unserialize(getPref($data_dir, $username, 'attachments', 0)); -/* Compute the URL to forward the user to. */ - global $session_expired_location, $session_expired_post; - if (isset($session_expired_location) && $session_expired_location) { - $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0); - if ($compose_new_win) { - $redirect_url = $session_expired_location; - } else { - $redirect_url = 'webmail.php?right_frame='.urldecode($session_expired_location); - } - session_unregister('session_expired_location'); - unset($session_expired_location); - if (is_array($attachments)) { - session_register('attachments'); - } - } else { - if (is_array($attachments)) { - $hashed_attachment_dir = getHashedDir($username, $attachment_dir); - foreach ($attachments as $attachment) { - $attached_file = $hashed_attachment_dir.'/'.$attachment['localfilename']; - if (file_exists($attached_file)) { - unlink($attached_file); - } - } - removePref($data_dir, $username, 'attachments'); - } - $redirect_url = 'webmail.php'; - } +if($mailtodata != '') { + $redirect_url = $location . '/webmail.php?right_frame=compose.php&mailtodata='; + $redirect_url .= urlencode($mailtodata); +} -/* Send them off to the appropriate page. */ +/* 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, $debug) { +function attachment_common_parse($str) { global $attachment_common_types, $attachment_common_types_parsed; - $attachment_common_types_parsed[$str] = true; - $types = explode(', ', $str); + /* + * 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) + 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'); -?> + /* mark as parsed */ + $attachment_common_types_parsed[$str] = true; +}