X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Fredirect.php;h=dd9df62d3905f2a01b955010f4b63575204ca257;hp=516b0427272ffae02b54e4a28c5c8a68c5c1c1dd;hb=eb2ae346b59dfcb085536bd4a27e554f414044d6;hpb=5a545dda36125e9f8978dd42315680cebb68e3f0

diff --git a/src/redirect.php b/src/redirect.php
index 516b0427..dd9df62d 100644
--- a/src/redirect.php
+++ b/src/redirect.php
@@ -1,176 +1,206 @@
 <?php
 
 /**
- * redirect.php
- * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
- *
- * 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.
  *
- * $Id$
+ * 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
  */
 
-/*****************************************************************/
-/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!!           ***/
-/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION.             ***/
-/***    + Base level indent should begin at left margin, as    ***/
-/***      the require_once below looks.                        ***/
-/***    + All identation should consist of four space blocks   ***/
-/***    + Tab characters are evil.                             ***/
-/***    + all comments should use "slash-star ... star-slash"  ***/
-/***      style -- no pound characters, no slash-slash style   ***/
-/***    + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD      ***/
-/***      ALWAYS USE { AND } CHARACTERS!!!                     ***/
-/***    + Please use ' instead of ", when possible. Note "     ***/
-/***      should always be used in _( ) function calls.        ***/
-/*** Thank you for your help making the SM code more readable. ***/
-/*****************************************************************/
-
-require_once('../functions/i18n.php');
-require_once('../functions/strings.php');
-require_once('../config/config.php');
-require_once('../functions/prefs.php');
-require_once('../functions/imap.php');
-require_once('../functions/plugin.php');
-require_once('../functions/constants.php');
-require_once('../functions/page_header.php');
-
-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;
-        }
-    }
-}
+/** This is the redirect page */
+define('PAGE_NAME', 'redirect');
 
+/**
+ * Include the SquirrelMail initialization file.
+ */
+require('../include/init.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];
+/* 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);
-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');
 
-if (! isset($squirrelmail_language) ||
-    $squirrelmail_language == '' ) {
+/* 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. */
-setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
+sqsetcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,
+          $base_uri);
 
 if (!isset($login_username)) {
-    displayHtmlHeader( _("You must be logged in to access this page.") );
-    echo "<BODY BGCOLOR=\"#ffffff\">\n" .
-        "<BR>&nbsp;<BR>\n" .
-        "<CENTER>\n" .
-        '<B>' . _("You must be logged in to access this page.") . "</B><BR>" .
-        '<A HREF="../src/login.php">'  . _("Go to the login page") . "</A>\n" .
-        "</CENTER>\n" .
-        "</BODY></HTML>\n";
+    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, $onetimepad);
-    session_register('onetimepad');
+$onetimepad = OneTimePadCreate(strlen($secretkey));
+$key = OneTimePadEncrypt($secretkey, $onetimepad);
 
-    /* Verify that username and password are correct. */
-    if ($force_username_lowercase) {
-        $login_username = strtolower($login_username);
-    }
+/* remove redundant spaces */
+$login_username = trim($login_username);
 
-    $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
-    if (!$imapConnection) {
-        displayHtmlHeader( _("There was an error contacting the mail server.") );
-        echo "<body bgcolor=\"#ffffff\">\n".
-            "<br> <br>\n".
-            "<center>\n".
-            '<b>' . _("There was an error contacting the mail server.") . "</b><br>\n".
-            _("Contact your administrator for help.") . "\n".
-            "</center>\n".
-            "</body></html>\n";
-        exit;
-    } else {
-        $delimiter = sqimap_get_delimiter ($imapConnection);
-    }
-    sqimap_logout($imapConnection);
-    session_register('delimiter');
+/* Case-normalise username if so desired */
+if ($force_username_lowercase) {
+    $login_username = strtolower($login_username);
+}
 
-    $username = $login_username;
-    session_register ('username');
-    setcookie('key', $key, 0, $base_uri);
-    do_hook ('login_verified');
+/* Verify that username and password are correct. */
+$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 the session id to avoid session hyijacking */
+//FIXME!  IMPORTANT!  SOMEONE PLEASE EXPLAIN THE SECURITY CONCERN HERE; THIS session_destroy() BORKS ANY SESSION INFORMATION ADDED ON THE LOGIN PAGE (SPECIFICALLY THE SESSION RESTORE DATA, BUT ALSO ANYTHING ADDED BY PLUGINS, ETC)... I HAVE DISABLED THIS (AND NOTE THAT THE LOGIN PAGE ALREADY EXECUTES A session_destroy() (see includes/init.php)), SO PLEASE, WHOEVER ADDED THIS, PLEASE ANALYSE THIS SITUATION AND COMMENT ON IF IT IS OK LIKE THIS!!  WHAT HIJACKING ISSUES ARE WE SUPPOSED TO BE PREVENTING HERE?
+//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');
+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. */
-session_register ('user_is_logged_in');
-session_register ('just_logged_in');
+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();
 $attachment_common_types_parsed = array();
-session_register('attachment_common_types');
-session_register('attachment_common_types_parsed');
+sqsession_register($attachment_common_types, 'attachment_common_types');
+sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed');
 
-$debug = false;
-if (isset($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);
+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. */
-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, $username, 'javascript_on', SMPREF_JS_ON);
-    } else {
-        setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
+checkForJavascript();
+
+/* Compute the URL to forward the user to. */
+$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 if ($session_expired_location != 'webmail' 
+            && $session_expired_location != 'left_main') {
+        $redirect_url = $location . '/webmail.php?right_frame=' . urlencode($session_expired_location . '.php');
     }
-} else {
-    setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
+    unset($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);
 }
 
-/* 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) {
+    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;
+}