<?php
- /**
- ** redirect.php -- derived from webmail.php by Ralf Kraudelt
- ** kraude@wiwi.uni-rostock.de
- **
- ** Copyright (c) 1999-2000 ...
- ** Licensed under the GNU GPL. For full terms see the file COPYING.
- **
- ** prevents users from reposting their form data after a
- ** successful logout
- **
- ** $Id$
- **/
-
- include('../functions/i18n.php');
- include('../functions/strings.php');
- include('../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($login_username)) {
- echo "<html><body bgcolor=\"ffffff\">\n";
- echo "<br><br>";
- echo "<center>";
- echo "<b>"._("You must be logged in to access this page.")."</b><br>";
- echo "<a href=\"../src/login.php\">"._("Go to the login page")."</a>\n";
- echo "</center>";
- echo "</body></html>\n";
- exit;
- }
-
- // Refresh the language cookie.
- if (isset($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 "<html><body bgcolor=\"ffffff\">\n";
- echo "<br><br>";
- echo "<center>";
- echo "<b>"._("There was an error contacting the mail server.")."</b><br>";
- echo _("Contact your administrator for help.")."\n";
- echo "</center>";
- echo "</body></html>\n";
- exit;
- }
- sqimap_logout($imapConnection);
-
- $username = $login_username;
- session_register ('username');
- setcookie('key', $key, 0, $base_uri);
- do_hook ('login_verified');
- }
-
- $user_is_logged_in = true;
- session_register ('user_is_logged_in');
- $just_logged_in = true;
- session_register ('just_logged_in');
-
- if(isset($rcptemail))
- header("Location: webmail.php?right_frame=compose.php&rcptaddress=" .
- urlencode($rcptemail));
- else
- header("Location: webmail.php");
-?>
+/**
+ * Prevents users from reposting their form data after a successful logout.
+ *
+ * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
+ *
+ * @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;
+}
projects / squirrelmail.git / blobdiff