X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Flogin.php;h=974d6a30ce4950a4cbd2120f7f1c912f475ccf97;hb=beebd508e91d2929a68929840ccad722f4af48bb;hp=e18fd327ac17a5b94aab712996aef4103e64ea48;hpb=5e2b67511a6b15fff7d54db359f7a263e3aa6df3;p=squirrelmail.git

diff --git a/src/login.php b/src/login.php
index e18fd327..974d6a30 100644
--- a/src/login.php
+++ b/src/login.php
@@ -3,16 +3,19 @@
 /**
  * login.php -- simple login screen
  *
- * Copyright (c) 1999-2003 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
  */
 
-/* Path for SquirrelMail required files. */
+/**
+ * Path for SquirrelMail required files.
+ * @ignore
+ */
 define('SM_PATH','../');
 
 /* SquirrelMail required files. */
@@ -24,8 +27,10 @@ require_once(SM_PATH . 'functions/constants.php');
 require_once(SM_PATH . 'functions/page_header.php');
 require_once(SM_PATH . 'functions/html.php');
 require_once(SM_PATH . 'functions/global.php');
+require_once(SM_PATH . 'functions/imap_general.php');
+require_once(SM_PATH . 'functions/forms.php');
 
-/*
+/**
  * $squirrelmail_language is set by a cookie when the user selects
  * language and logs out
  */
@@ -45,17 +50,70 @@ $base_uri = sqm_baseuri();
  */
 
 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_start();
 header('Pragma: no-cache');
 
+/**
+ * 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,$color);
+            exit;
+        }
+    }
+}
+
+/*
+ * Initialize the template object and custom error handler object
+ */
+include_once(SM_PATH . 'class/template/template.class.php');
+include_once(SM_PATH . 'class/error.class.php');
+
+/*
+ * $sTplDir is not initialized when a user is not logged in, so we will use
+ * the config file defaults here.  If the neccesary variables are net set,
+ * force a default value.
+ */
+$aTemplateSet = ( !isset($aTemplateSet) ? array() : $aTemplateSet );
+$templateset_default = ( !isset($templateset_default) ? 0 : $templateset_default );
+$sTplDir = ( !isset($aTemplateSet[$templateset_default]['PATH']) ? 
+             SM_PATH . 'templates/default/' : 
+             $aTemplateSet[$templateset_default]['PATH'] );
+
+$oTemplate = new Template($sTplDir);
+$oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl');
+
 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".
           "    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".
@@ -73,18 +131,22 @@ $header = "<script language=\"JavaScript\" type=\"text/javascript\">\n" .
 if (@file_exists($theme[$theme_default]['PATH']))
    @include ($theme[$theme_default]['PATH']);
 
-displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
-
-echo "<body text=\"$color[8]\" bgcolor=\"$color[4]\" link=\"$color[7]\" vlink=\"$color[7]\" alink=\"$color[7]\" onLoad=\"squirrelmail_loginpage_onload()\">" .
-     "\n" . '<form action="redirect.php" method="post">' . "\n";
+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            */
+}
 
-$username_form_name = 'login_username';
-$password_form_name = 'secretkey';
-do_hook('login_top');
+displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
 
-$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
 
 /* 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 */
     $width_and_height = '';
@@ -96,69 +158,41 @@ if (isset($org_logo) && $org_logo) {
      $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';
+
 if(sqgetGlobalVar('mailto', $mailto)) {
-    $rcptaddress = '<input type="hidden" name="mailto" value="' . urlencode($mailto) . '" />' . "\n";
+    $rcptaddress = addHidden('mailto', $mailto);
 } else {
     $rcptaddress = '';
 }
-echo html_tag( 'table',
-    html_tag( 'tr',
-        html_tag( 'td',
-            '<center>'.
-            ( isset($org_logo) && $org_logo
-              ? '<img src="' . $org_logo . '" alt="' .
-                sprintf(_("%s Logo"), $org_name) .'"' . $width_and_height .
-                ' /><br />' . "\n"
-              : '' ).
-            ( (isset($hide_sm_attributions) && $hide_sm_attributions) ? '' :
-            '<small>' . sprintf (_("SquirrelMail version %s"), $version) . '<br />' ."\n".
-            '  ' . _("By the SquirrelMail Development Team") . '<br /></small>' . "\n" ) .
-            html_tag( 'table',
-                html_tag( 'tr',
-                    html_tag( 'td',
-                        '<b>' . sprintf (_("%s Login"), $org_name) . "</b>\n",
-                    'center', $color[0] )
-                ) .
-                html_tag( 'tr',
-                    html_tag( 'td',  "\n" .
-                        html_tag( 'table',
-                            html_tag( 'tr',
-                                html_tag( 'td',
-                                    _("Name:") ,
-                                'right', '', 'width="30%"' ) .
-                                html_tag( 'td',
-                                    '<input type="text" name="' . $username_form_name .'" value="' . $loginname_value .'" />' ,
-                                'left', '', 'width="*"' )
-                                ) . "\n" .
-                            html_tag( 'tr',
-                                html_tag( 'td',
-                                    _("Password:") ,
-                                'right', '', 'width="30%"' ) .
-                                html_tag( 'td',
-                                    '<input type="password" name="' . $password_form_name . '" />' . "\n" .
-                                    '<input type="hidden" name="js_autodetect_results" value="SMPREF_JS_OFF" />' . "\n" .
-                                    $rcptaddress .
-                                    '<input type="hidden" name="just_logged_in" value="1" />' . "\n",
-                                'left', '', 'width="*"' )
-                            ) ,
-                        'center', $color[4], 'border="0" width="100%"' ) ,
-                    'left', $color[4] )
-                ) . 
-                html_tag( 'tr',
-                    html_tag( 'td',
-                        '<center><input type="submit" value="' . _("Login") . '" /></center>',
-                    'left' )
-                ),
-            '', $color[4], 'border="0" width="350"' ) . '</center>',
-        'center' )
-    ) ,
-'', $color[4], 'border="0" cellspacing="0" cellpadding="0" width="100%"' );
-do_hook('login_form');
-echo '</form>' . "\n";
-
-do_hook('login_bottom');
-echo "</body>\n".
-     "</html>\n";
-?>
+
+$password_field = addPwField($password_form_name).
+                  addHidden('js_autodetect_results', SMPREF_JS_OFF).
+                  $rcptaddress .
+                  addHidden('just_logged_in', '1');
+
+$oTemplate->assign('color', $color);
+$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');
+?>
\ No newline at end of file