X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Flogin.php;h=e21cc3e67fc7df33bd2a6d9dc8f854f00193a974;hp=c6bbb30de1551209cbe40152c7d2c6367a450b1d;hb=602a123e5f75c57dace7d147cbe274b4230b7178;hpb=86e776cbe309b3d3cf38c1864562dcaf9ebd4b44

diff --git a/src/login.php b/src/login.php
index c6bbb30d..e21cc3e6 100644
--- a/src/login.php
+++ b/src/login.php
@@ -3,133 +3,175 @@
 /**
  * login.php -- simple login screen
  *
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
  * This a simple login screen. Some housekeeping is done to clean
  * cookies and find language.
  *
- * $Id$
+ * @copyright © 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
  */
-require_once('../functions/strings.php');
-require_once('../config/config.php');
-require_once('../functions/i18n.php');
-require_once('../functions/plugin.php');
-require_once('../functions/constants.php');
-require_once('../functions/page_header.php');
-require_once('../class/browser.class');
-
-// initialize some vars
-if(!isset($UA)) $UA = '';
-if(!isset($cc)) $cc = '';
-if(!isset($dl)) $dl = '';
-if(!isset($am)) $am = '';
-
-$sniffer_settings = array('check_cookies'=>$cc,
-                          'default_language'=>$dl,
-                          'allow_masquerading'=>$am);
-$browser = new phpSniff($UA,$sniffer_settings);
 
-/*
- * $squirrelmail_language is set by a cookie when the user selects
- * language and logs out
+// reduces the files included in init.php
+$sInitLocation = 'login';
+
+/**
+ * Include the SquirrelMail initialization file.
  */
-set_up_language($squirrelmail_language, TRUE);
+require('../include/init.php');
+
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'functions/imap_general.php');
+require_once(SM_PATH . 'functions/forms.php');
 
 /**
- * Find out the base URI to set cookies.
+ * $squirrelmail_language is set by a cookie when the user selects
+ * language and logs out
  */
-if (!function_exists('sqm_baseuri')){
-    require_once('../functions/display_messages.php');
-}
-$base_uri = sqm_baseuri();
-@session_destroy();
-session_start();
-session_register('browser');
+set_up_language($squirrelmail_language, TRUE, TRUE);
+
 /*
  * In case the last session was not terminated properly, make sure
  * we get a new one.
  */
-$cookie_params = session_get_cookie_params();
-setcookie(session_name(), '', 0, $cookie_params['path'], 
-          $cookie_params['domain']);
-setcookie('username', '', 0, $base_uri);
-setcookie('key', '', 0, $base_uri);
-header('Pragma: no-cache');
+sqsession_destroy();
+/**
+ * PHP bug. http://bugs.php.net/11643 (warning, spammed bug tracker) and
+ * http://bugs.php.net/13834
+ * SID constant is not destroyed in PHP 4.1.2, 4.2.3 and maybe other
+ * versions. Produces warning on login page. Bug should be fixed only in 4.3.0
+ */
+@sqsession_is_active();
+$_SESSION=array();
+
+
+/**
+ * This detects if the IMAP server has logins disabled, and if so,
+ * squelches the display of the login form and puts up a message
+ * explaining the situation.
+ */
+if($imap_auth_mech == 'login') {
+    /**
+     * detect disabled login, only when imapServerAddress contains
+     * server address and not mapping. See sqimap_get_user_server()
+     */
+    if (substr($imapServerAddress, 0, 4) != "map:") {
+        $imap = sqimap_create_stream($imapServerAddress, $imapPort, $use_imap_tls);
+        $logindisabled = sqimap_capability($imap,'LOGINDISABLED');
+        sqimap_logout($imap);
+        if ($logindisabled) {
+            $string = _("The IMAP server is reporting that plain text logins are disabled.").'<br />'.
+                _("Using CRAM-MD5 or DIGEST-MD5 authentication instead may work.").'<br />';
+            if (!$use_imap_tls) {
+                $string .= _("Also, the use of TLS may allow SquirrelMail to login.").'<br />';
+            }
+            $string .= _("Please contact your system administrator and report this error.");
+            error_box($string);
+            // display footer (closes html tags) and stop script execution
+            $oTemplate->display('footer.tpl');
+            exit;
+        }
+    }
+}
 
 do_hook('login_cookie');
 
-/* Output the javascript onload function. */
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
 
-$header = "<SCRIPT LANGUAGE=\"JavaScript\" TYPE=\"text/javascript\">\n" .
+/* Output the javascript onload function. */
+$header = "<script type=\"text/javascript\">\n" .
           "<!--\n".
           "  function squirrelmail_loginpage_onload() {\n".
-          "    document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n".
-          '    document.forms[0].elements[' . (isset($loginname) ? 1 : 0) . "].focus();\n".
+          "    var textElements = 0;\n".
+          "    for (i = 0; i < document.forms[0].elements.length; i++) {\n".
+          "      if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
+          "        textElements++;\n".
+          "        if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n".
+          "          document.forms[0].elements[i].focus();\n".
+          "          break;\n".
+          "        }\n".
+          "      }\n".
+          "    }\n".
           "  }\n".
           "// -->\n".
           "</script>\n";
-$custom_css = 'none';          
+
+if (@file_exists($theme[$theme_default]['PATH']))
+   @include ($theme[$theme_default]['PATH']);
+
+if (! isset($color) || ! is_array($color)) {
+    // Add default color theme, if theme loading fails
+    $color = array();
+    $color[0]  = '#dcdcdc';  /* light gray    TitleBar               */
+    $color[1]  = '#800000';  /* red                                  */
+    $color[2]  = '#cc0000';  /* light red     Warning/Error Messages */
+    $color[4]  = '#ffffff';  /* white         Normal Background      */
+    $color[7]  = '#0000cc';  /* blue          Links                  */
+    $color[8]  = '#000000';  /* black         Normal text            */
+}
+/**
+ * send out all the cookies
+ */
+sqsetcookieflush();
+
 displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
 
-/* Set the title of this page. */
-echo '<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#0000CC" VLINK="#0000CC" ALINK="#0000CC" onLoad="squirrelmail_loginpage_onload();">'.
-     "\n<FORM ACTION=\"redirect.php\" METHOD=\"POST\">\n";
+
+/* If they don't have a logo, don't bother.. */
+$logo_str = '';
+if (isset($org_logo) && $org_logo) {
+    /* Display width and height like good little people */
+    $width_and_height = '';
+    if (isset($org_logo_width) && is_numeric($org_logo_width) &&
+     $org_logo_width>0) {
+        $width_and_height = "width=\"$org_logo_width\" ";
+    }
+    if (isset($org_logo_height) && is_numeric($org_logo_height) &&
+     $org_logo_height>0) {
+        $width_and_height .= "height=\"$org_logo_height\" ";
+    }
+    
+    $logo_str = '<img src="'.$org_logo.'" ' .
+                'alt="'. sprintf(_("%s Logo"), $org_name).'" ' .
+                $width_and_height .
+                'class="sqm_loginImage" /><br />'."\n";
+}
+
+$sm_attribute_str = '';
+if (isset($hide_sm_attributions) && !$hide_sm_attributions) {
+    $sm_attribute_str = _("SquirrelMail Webmail Application")."<br />\n" .
+                        _("By the SquirrelMail Project Team")."<br />\n";
+}
 
 $username_form_name = 'login_username';
 $password_form_name = 'secretkey';
-do_hook('login_top');
-
-$loginname_value = (isset($loginname) ? htmlspecialchars($loginname) : '');
 
-/* Display width and height like good little people */
-$width_and_height = '';
-if (isset($org_logo_width) && is_int($org_logo_width) && $org_logo_width>0) {
-    $width_and_height = " WIDTH=\"$org_logo_width\"";
-}
-if (isset($org_logo_height) && is_int($org_logo_height) && $org_logo_height>0) {
-    $width_and_height .= " HEIGHT=\"$org_logo_height\"";
+if(sqgetGlobalVar('mailto', $mailto)) {
+    $rcptaddress = addHidden('mailto', $mailto);
+} else {
+    $rcptaddress = '';
 }
 
-echo '<CENTER>'.
-     "  <IMG SRC=\"$org_logo\" ALT=\"" . sprintf(_("%s Logo"), $org_name) . 
-        "\"$width_and_height><BR>\n".
-     ( $hide_sm_attributions ? '' :
-       '<SMALL>' . sprintf (_("SquirrelMail version %s"), $version) . "<BR>\n".
-       '  ' . _("By the SquirrelMail Development Team") . "<BR></SMALL>\n" ) .
-     "</CENTER>\n".
-
-     "<CENTER>\n".
-     "<TABLE COLS=\"1\" WIDTH=\"350\">\n".
-     "   <TR><TD ALIGN=CENTER BGCOLOR=\"#DCDCDC\">\n".
-     '      <B>' . sprintf (_("%s Login"), $org_name) . "</B>\n".
-     "   </TD></TR>".
-     "   <TR><TD BGCOLOR=\"#FFFFFF\"><TABLE COLS=2 WIDTH=\"100%\">\n".
-     "      <TR>\n".
-     '         <TD WIDTH="30%" ALIGN=right>' . _("Name:") . "</TD>\n".
-     "         <TD WIDTH=\"*\" ALIGN=left>\n".
-     "            <INPUT TYPE=TEXT NAME=\"$username_form_name\" VALUE=\"$loginname_value\">\n".
-     "         </TD>\n".
-     "      </TR>\n".
-     "      <TR>\n".
-     '         <TD WIDTH="30%" ALIGN=right>' . _("Password:") . "</TD>\n".
-     "         <TD WIDTH=\"*\" ALIGN=left>\n".
-     "            <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n".
-     "            <INPUT TYPE=HIDDEN NAME=\"js_autodetect_results\" VALUE=\"" . SMPREF_JS_OFF . "\">\n".
-     "            <INPUT TYPE=HIDDEN NAME=\"just_logged_in\" value=1>\n".
-     "         </TD>\n".
-     "      </TR>\n".
-     "   </TABLE></TD></TR>\n".
-     "   <TR><TD>\n".
-     '      <CENTER><INPUT TYPE=SUBMIT VALUE="' . _("Login") . "\"></CENTER>\n".
-     "   </TD></TR>\n".
-     "</TABLE>\n".
-     "</CENTER>\n";
-
-do_hook('login_form');
-echo "</FORM>\n";
-
-do_hook('login_bottom');
-echo "</BODY>\n".
-     "</HTML>\n";
+$password_field = addPwField($password_form_name).
+                  addHidden('js_autodetect_results', SMPREF_JS_OFF).
+                  $rcptaddress .
+                  addHidden('just_logged_in', '1');
+
+session_write_close();
+
+$oTemplate->assign('logo_str', $logo_str);
+$oTemplate->assign('sm_attribute_str', $sm_attribute_str);
+$oTemplate->assign('org_name_str', sprintf (_("%s Login"), $org_name));
+$oTemplate->assign('login_field', addInput($username_form_name, $loginname_value));
+$oTemplate->assign('password_field', $password_field);
+$oTemplate->assign('submit_field', addSubmit(_("Login")));
+
+$oTemplate->display('login.tpl');
+
+// Turn off delayed error handling to make sure all errors are dumped.
+#$oErrorHandler->delayedErrors(false);
+
+#trigger_error('login');
+$oTemplate->display('footer.tpl');
 ?>
\ No newline at end of file