X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Fredirect.php;h=6bdb883cb32da5f384516b30e5846a00e15d48f3;hp=074fe366690fffda9ea54f9da3275b0aedeadfe4;hb=712a518f5a94d77054bca499038699990fd4a5a2;hpb=1026ec43722b0261aa89415b7be105fc98db0115 diff --git a/src/redirect.php b/src/redirect.php index 074fe366..6bdb883c 100644 --- a/src/redirect.php +++ b/src/redirect.php @@ -1,94 +1,218 @@ \n"; - echo "

"; - echo "
"; - echo ""._("You must be logged in to access this page.")."
"; - echo ""._("Go to the login page")."\n"; - echo "
"; - echo "\n"; - exit; - } - - // Refresh the language cookie. - if (isset($squirrelmail_language)) { - setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000); - } - - - include ('../functions/prefs.php'); - include ('../functions/imap.php'); - include ('../functions/plugin.php'); - - if (!session_is_registered('user_is_logged_in')) { - do_hook ('login_before'); - - $onetimepad = OneTimePadCreate(strlen($secretkey)); - $key = OneTimePadEncrypt($secretkey, $onetimepad); - session_register('onetimepad'); - // verify that username and password are correct - if ($force_username_lowercase) - $login_username = strtolower($login_username); - $imapConnection = sqimap_login($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; - } - sqimap_logout($imapConnection); - - setcookie('username', $login_username, 0, $base_uri); - setcookie('key', $key, 0, $base_uri); - do_hook ('login_verified'); - } - - $user_is_logged_in = true; - session_register ('user_is_logged_in'); - - if(isset($rcptemail)) - header("Location: webmail.php?right_frame=compose.php&rcptaddress=$rcptemail"); - else - header("Location: webmail.php"); -?> +/** + * 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)) { + $mailtodata = ''; +} + +/* end of get globals */ + +set_up_language($squirrelmail_language, true); +/* Refresh the language cookie. */ +sqsetcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, + $base_uri); + +if (!isset($login_username)) { + logout_error( _("You must be logged in to access this page.") ); + exit; +} + +do_hook('login_before', $null); + +$onetimepad = OneTimePadCreate(strlen($secretkey)); +$key = OneTimePadEncrypt($secretkey, $onetimepad); + +/* remove redundant spaces */ +$login_username = trim($login_username); + +/* Case-normalise username if so desired */ +if ($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 ($just_logged_in, 'just_logged_in'); + +/* parse the accepted content-types of the client */ +$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 { + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); + } + } else if ($session_expired_location != 'webmail' + && $session_expired_location != 'left_main') { + $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php'); + } + unset($session_expired_location); +} + +if($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'); + + /* mark as parsed */ + $attachment_common_types_parsed[$str] = true; +}