drop obsolete parameter, thanks Tomas Kuliavas for finding
[squirrelmail.git] / src / redirect.php
index 8144be017f7d329a99e04fe610441d7bba84bd73..bfa88bef29fb2eb8058864169c7c7cc524b0b729 100644 (file)
@@ -1,93 +1,61 @@
 <?php
 
 /**
-* redirect.php
-* Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
-*
-* 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.
-*
-* $Id$
-*/
-
-/* Path for SquirrelMail required files. */
-define('SM_PATH','../');
+ * Prevents users from reposting their form data after a successful logout.
+ *
+ * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
+ *
+ * @copyright &copy; 1999-2007 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+$sInitLocation = 'redirect';
+
+/**
+ * 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);
 
 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');
+if (!sqsession_is_registered('user_is_logged_in')) {
+    do_hook('login_before', $null);
 
     $onetimepad = OneTimePadCreate(strlen($secretkey));
     $key = OneTimePadEncrypt($secretkey, $onetimepad);
-    sqsession_register($onetimepad, 'onetimepad');
 
     /* remove redundant spaces */
     $login_username = trim($login_username);
@@ -98,26 +66,53 @@ if (!session_is_registered('user_is_logged_in')) {
     }
 
     $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
-    if (!$imapConnection) {
-        $errTitle = _("There was an error contacting the mail server.");
-        $errString = $errTitle . "<br>\n".
-                     _("Contact your administrator for help.");
-        include_once( '../functions/display_messages.php' );
-        logout_error( $errString, $errTitle );            
-        exit;
-    } else {
-        $sqimap_capabilities = sqimap_capability($imapConnection);
-       sqsession_register($sqimap_capabilities, 'sqimap_capabilities');
-        $delimiter = sqimap_get_delimiter ($imapConnection);
+    /* From now on we are logged it. If the login failed then sqimap_login handles it */
+
+    /* regenerate the session id to avoid session hyijacking */
+    sqsession_destroy();
+    @sqsession_is_active();
+    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');
-    setcookie('key', $key, 0, $base_uri);
-    do_hook ('login_verified');
-
+    do_hook('login_verified', $null);
 }
 
 /* Set the login variables. */
@@ -134,78 +129,55 @@ $attachment_common_types_parsed = array();
 sqsession_register($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);
 }
 
 /* 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', $session_expired_location, SQ_SESSION) ) {
+    sqsession_unregister('session_expired_location');
+    if ( strpos($session_expired_location, 'compose.php') !== FALSE ) {
+        $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0);
+        if ($compose_new_win) {
+            // do not prefix $location here because $session_expired_location is set to PHP_SELF
+            // of the last page
+            $redirect_url = $session_expired_location;
+        } else {
+            $redirect_url = $location.'/webmail.php?right_frame='.urlencode($session_expired_location);
         }
-    } else {
-        $js_pref = SMPREF_JS_OFF;
     }
+    unset($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);
-       }
-       sqsession_unregister('session_expired_location');
-       unset($session_expired_location);
-       if (is_array($compose_messages)) {
-          sqsession_register('compose_messages');
-       }
-    } else {
-/* need to be adapted to compose_messages.
-       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 $val) {
         // Ignore the ";q=1.0" stuff
@@ -216,8 +188,8 @@ function attachment_common_parse($str, $debug) {
             $attachment_common_types[$val] = true;
         }
     }
-    $_SESSION['attachment_common_types'] = $attachment_common_types;
-}
-
+    sqsession_register($attachment_common_types, 'attachment_common_types');
 
-?>
+    /* mark as parsed */
+    $attachment_common_types_parsed[$str] = true;
+}