X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Flogin.php;h=974d6a30ce4950a4cbd2120f7f1c912f475ccf97;hb=beebd508e91d2929a68929840ccad722f4af48bb;hp=1d285904781fef39543606e81dfd899190c55129;hpb=23d6bd09c631285eae8c45af3a37aa7c86be3cfa;p=squirrelmail.git

diff --git a/src/login.php b/src/login.php
index 1d285904..974d6a30 100644
--- a/src/login.php
+++ b/src/login.php
@@ -1,154 +1,198 @@
 <?php
+
+/**
+ * login.php -- simple login screen
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * @copyright &copy; 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.
+ * @ignore
+ */
+define('SM_PATH','../');
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'functions/strings.php');
+require_once(SM_PATH . 'config/config.php');
+require_once(SM_PATH . 'functions/i18n.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/html.php');
+require_once(SM_PATH . 'functions/global.php');
+require_once(SM_PATH . 'functions/imap_general.php');
+require_once(SM_PATH . 'functions/forms.php');
+
+/**
+ * $squirrelmail_language is set by a cookie when the user selects
+ * language and logs out
+ */
+set_up_language($squirrelmail_language, TRUE, TRUE);
+
+/**
+ * Find out the base URI to set cookies.
+ */
+if (!function_exists('sqm_baseuri')){
+    require_once(SM_PATH . 'functions/display_messages.php');
+}
+$base_uri = sqm_baseuri();
+
+/*
+ * In case the last session was not terminated properly, make sure
+ * we get a new one.
+ */
+
+sqsession_destroy();
+/**
+ * PHP bug. http://bugs.php.net/11643 (warning, spammed bug tracker) and
+ * http://bugs.php.net/13834
+ * SID constant is not destroyed in PHP 4.1.2, 4.2.3 and maybe other 
+ * versions. Produces warning on login page. Bug should be fixed only in 4.3.0
+ */
+@sqsession_start();
+header('Pragma: no-cache');
+
+/**
+ * This detects if the IMAP server has logins disabled, and if so,
+ * squelches the display of the login form and puts up a message
+ * explaining the situation.
+ */
+if($imap_auth_mech == 'login') {
     /**
-     * login.php -- simple login screen
-     * 
-     * Copyright (c) 1999-2001 The Squirrelmail Development 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.
-     *
-     * $Id$
+     * detect disabled login, only when imapServerAddress contains
+     * server address and not mapping. See sqimap_get_user_server()
      */
-
-    $rcptaddress = '';
-    if (isset($emailaddress)) {
-        if (stristr($emailaddress, 'mailto:')) {
-            $rcptaddress = substr($emailaddress, 7);
-        } else {
-            $rcptaddress = $emailaddress;
-        }
-	 
-        if (($pos = strpos($rcptaddress, '?')) !== false) {
-            $a = substr($rcptaddress, $pos + 1);
-	    $rcptaddress = substr($rcptaddress, 0, $pos);
-            $a = explode('=', $a, 2);
-            if (isset($a[1])) {
-                $name = urldecode($a[0]);
-                $val = urldecode($a[1]);
-                global $$name;
-                $$naame = $val;
+    if (substr($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,$color);
+            exit;
         }
-      
-        /* At this point, we have parsed a lot of the mailto stuff. */
-        /*   Let's do the rest -- CC, BCC, Subject, Body            */
-        /*   Note:  They can all be case insensitive                */
-        foreach ($GLOBALS as $k => $v) {
-            $key = strtolower($k);
-            $value = urlencode($v);
-            if ($key == 'cc') {
-                $rcptaddress .= '&send_to_cc=' . $value;
-            } else if ($key == 'bcc') {
-                $rcptaddress .= '&send_to_bcc=' . $value;
-            } else if ($key == 'subject') {
-                $rcptaddress .= '&subject=' . $value;
-            } else if ($key == 'body') {
-                $rcptaddress .= '&body=' . $value;
-            }
-        }
-      
-        /* Double-encode in this fashion to get past redirect.php properly. */
-        $rcptaddress = urlencode($rcptaddress);
     }
+}
 
-    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');
+/*
+ * 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');
 
-    /*
-     * $squirrelmail_language is set by a cookie when the user selects
-     * language and logs out
-     */
-    set_up_language($squirrelmail_language, true);
+/*
+ * $sTplDir is not initialized when a user is not logged in, so we will use
+ * the config file defaults here.  If the neccesary variables are net set,
+ * force a default value.
+ */
+$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'] );
 
-    /* Need the base URI to set the cookies. (Same code as in webmail.php). */
-    ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
-    $base_uri = $regs[1];
-    @session_destroy();
+$oTemplate = new Template($sTplDir);
+$oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl');
 
-    /*
-     * 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, $base_uri);
-    header ('Pragma: no-cache');
-
-    do_hook('login_cookie');
-
-    echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">' .
-         "\n\n" .
- 	 "<HTML>\n" .
-	 "<HEAD>\n";
-			   
-    if ($theme_css != "") {
-        echo "<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"$theme_css\">\n";
-    }
+do_hook('login_cookie');
+
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
+
+/* Output the javascript onload function. */
+$header = "<script type=\"text/javascript\">\n" .
+          "<!--\n".
+          "  function squirrelmail_loginpage_onload() {\n".
+          "    var textElements = 0;\n".
+          "    for (i = 0; i < document.forms[0].elements.length; i++) {\n".
+          "      if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
+          "        textElements++;\n".
+          "        if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n".
+          "          document.forms[0].elements[i].focus();\n".
+          "          break;\n".
+          "        }\n".
+          "      }\n".
+          "    }\n".
+          "  }\n".
+          "// -->\n".
+          "</script>\n";
+
+if (@file_exists($theme[$theme_default]['PATH']))
+   @include ($theme[$theme_default]['PATH']);
 
-    /* Output the javascript onload function. */
-    echo "<SCRIPT LANGUAGE=\"JavaScript\">\n";
-    echo "<!--\n";
-    echo "  function squirrelmail_loginpage_onload() {\n";
-    echo "    document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n";
-    echo "    document.forms[0].elements[0].focus();\n";
-    echo "  }\n";
-    echo "// -->\n";
-    echo "</script>\n";
-
-    /* Set the title of this page. */
-    echo "<TITLE>$org_name - " . _("Login") . "</TITLE></HEAD>\n";
-    echo "<BODY TEXT=#000000 BGCOLOR=#FFFFFF LINK=#0000CC VLINK=#0000CC ALINK=#0000CC onLoad='squirrelmail_loginpage_onload();'>\n";
-    echo "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
-   
-    $username_form_name = 'login_username';
-    $password_form_name = 'secretkey';
-    do_hook('login_top');
-
-    $loginname_value = (isset($loginname) ? htmlspecialchars($loginname) : '');
-   
-    echo "<CENTER><SMALL>";
-    echo "  <IMG SRC=\"$org_logo\"><BR>\n";
-    echo '  ' . sprintf (_("SquirrelMail version %s"), $version) . "<BR>\n";
-    echo '  ' . _("By the SquirrelMail Development Team") . "<BR>\n";
-    echo "</SMALL><CENTER>\n";
-
-    echo "<TABLE COLS=1 WIDTH=350>\n";
-    echo "   <TR><TD BGCOLOR=#DCDCDC>\n";
-    echo '      <B><CENTER>' . sprintf (_("%s Login"), $org_name) . "</CENTER></B>\n";
-    echo "   </TD></TR>";
-    echo "   <TR><TD BGCOLOR=\"#FFFFFF\"><TABLE COLS=2 WIDTH=\"100%\">\n";
-    echo "      <TR>\n";
-    echo '         <TD WIDTH=30% ALIGN=right>' . _("Name:") . "</TD>\n";
-    echo "         <TD WIDTH=* ALIGN=left>\n";
-    echo "            <INPUT TYPE=TEXT NAME=\"$username_form_name\" VALUE=\"$loginname_value\">\n";
-    echo "         </TD>\n";
-    echo "      </TR>\n";
-    echo "      <TR>\n";
-    echo '         <TD WIDTH="30%" ALIGN=right>' . _("Password:") . "</TD>\n";
-    echo "         <TD WIDTH=* ALIGN=left>\n";
-    echo "            <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n";
-    echo "            <INPUT TYPE=HIDDEN NAME=\"js_autodetect_results\" VALUE=\"" . SMPREF_JS_OFF . "\">\n";
-    echo "            <INPUT TYPE=HIDDEN NAME=\"just_logged_in\" value=1>\n";
-    if ($rcptaddress != '') {
-        echo "         <INPUT TYPE=HIDDEN NAME=\"rcptemail\" VALUE=\"".htmlspecialchars($rcptaddress)."\">\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                  */
+    $color[8]  = '#000000';  /* black         Normal text            */
+}
+
+displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
+
+
+/* If they don't have a logo, don't bother.. */
+$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\"";
     }
-    echo "         </TD>\n";
-    echo "      </TR>\n";
-    echo "   </TABLE></TD></TR>\n";
-    echo "   <TR><TD>\n";
-    echo '      <CENTER><INPUT TYPE=SUBMIT VALUE="' . _("Login") . "\"></CENTER>\n";
-    echo "   </TD></TR>\n";
-    echo "</TABLE>\n";
-
-    do_hook('login_form');
-    echo "</FORM>\n";
-
-    do_hook('login_bottom');
-    echo "</BODY>\n";
-    echo "</HTML>\n";
-?>
+    
+    $logo_str = '<img src="'.$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 = addHidden('mailto', $mailto);
+} else {
+    $rcptaddress = '';
+}
+
+$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