<?php
- /**
- ** login.php -- simple login screen
- **
- ** Copyright (c) 1999-2000 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.
- **
- **/
-
- if (!isset($config_php))
- include("../config/config.php");
- if (!isset($strings_php))
- include("../functions/strings.php");
- if (!isset($i18n_php))
- include("../functions/i18n.php");
-
- // let's check to see if they compiled with gettext support
- if (!function_exists("_")) {
- function _($string) {
- return $string;
- }
- } else {
- // $squirrelmail_language is set by a cookie when the user selects
- // language and logs out
-
- // Use HTTP content language negotiation if cookie not set
- if (!isset($squirrelmail_language) && isset($HTTP_ACCEPT_LANGUAGE)) {
- $squirrelmail_language = substr($HTTP_ACCEPT_LANGUAGE, 0, 2);
- }
-
- if (isset($squirrelmail_language)) {
- if ($squirrelmail_language != "en" && $squirrelmail_language != "") {
- putenv("LC_ALL=".$squirrelmail_language);
- bindtextdomain("squirrelmail", "../locale/");
- textdomain("squirrelmail");
- header ("Content-Type: text/html; charset=".$languages[$squirrelmail_language]["CHARSET"]);
- }
- }
- }
-
- // Need the base URI to set the cookies. (Same code as in webmail.php)
- ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
- $base_uri = $regs[1];
-
- setcookie("username", "", 0, $base_uri);
- setcookie("key", "", 0, $base_uri);
- setcookie("logged_in", 0, 0, $base_uri);
-
- // In case the last session was not terminated properly, make sure
- // we get a new one.
- setcookie("PHPSESSID", "", 0, $base_uri);
-
- echo "<HTML>";
- echo "<HEAD><TITLE>";
- echo _("SquirrelMail Login");
- echo "</TITLE></HEAD>\n";
- echo "<BODY TEXT=000000 BGCOLOR=#FFFFFF LINK=0000CC VLINK=0000CC ALINK=0000CC>\n";
-
- echo "<FORM ACTION=\"webmail.php\" METHOD=\"POST\" NAME=f>\n";
- echo "<CENTER><IMG SRC=\"$org_logo\"</CENTER>\n";
- echo "<CENTER><SMALL>";
- printf (_("SquirrelMail version %s"), $version);
- echo "<BR>\n";
- echo _("By the SquirrelMail Development Team");
- echo "<BR></SMALL><CENTER>\n";
- echo "<TABLE COLS=1 WIDTH=350>\n";
- echo " <TR>\n";
- echo " <TD BGCOLOR=#DCDCDC>\n";
- echo " <B><CENTER>";
- printf (_("%s Login"), $org_name);
- echo "</CENTER></B>\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD BGCOLOR=#FFFFFF>\n";
- echo " <TABLE COLS=2 WIDTH=100%>\n";
- echo " <TR>\n";
- echo " <TD WIDTH=30% ALIGN=right>\n";
- echo _("Name:");
- echo " </TD><TD WIDTH=* ALIGN=left>\n";
- echo " <INPUT TYPE=TEXT NAME=username>\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD WIDTH=30% ALIGN=right>\n";
- echo _("Password:");
- echo " </TD><TD WIDTH=* ALIGN=left>\n";
- echo " <INPUT TYPE=PASSWORD NAME=key>\n";
- echo " </TD>\n";
- echo " </TABLE>\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD>\n";
- echo " <CENTER><INPUT TYPE=SUBMIT VALUE=\"";
- echo _("Login");
- echo "\"></CENTER>\n";
- echo " </TD>\n";
- echo " </TR>\n";
- echo "</TABLE>\n";
- echo "</FORM>\n";
-?>
-</BODY>
-</HTML>
+/**
+ * login.php -- simple login screen
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * @copyright 1999-2018 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/** This is the login page */
+define('PAGE_NAME', 'login');
+
+/**
+ * Include the SquirrelMail initialization file.
+ */
+require('../include/init.php');
+
+/* SquirrelMail required files. */
+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);
+
+/**
+ * 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
+ $oTemplate->display('footer.tpl');
+ exit;
+ }
+ }
+}
+
+$username_form_name = 'login_username';
+$password_form_name = 'secretkey';
+do_hook('login_cookie', $null);
+
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? sm_encode_html_special_chars($loginname) : '');
+
+//FIXME: should be part of the template, not the core!
+/* Output the javascript onload function. */
+$header = "<script type=\"text/javascript\">\n" .
+ "<!--\n".
+ " var alreadyFocused = false;\n".
+ " function squirrelmail_loginpage_onload() {\n".
+ " if (alreadyFocused) return;\n".
+ " var textElements = 0; var i = 0;\n".
+ " for (i = 0; i < document.login_form.elements.length; i++) {\n".
+ " if (document.login_form.elements[i].type == \"text\" || document.login_form.elements[i].type == \"password\") {\n".
+ " textElements++;\n".
+ " if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n".
+ " document.login_form.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']);
+
+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 */
+ $color[8] = '#000000'; /* black Normal text */
+}
+
+// if any plugin returns TRUE here, the standard page header will be skipped
+$temp = array($header);
+if (!boolean_hook_function('login_before_page_header', $temp, 1))
+ displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
+
+
+
+/* If they don't have a logo, don't bother.. */
+$logo_str = '';
+if (isset($org_logo) && $org_logo) {
+
+ if (isset($org_logo_width) && is_numeric($org_logo_width) &&
+ $org_logo_width>0) {
+ $width = $org_logo_width;
+ } else {
+ $width = '';
+ }
+ if (isset($org_logo_height) && is_numeric($org_logo_height) &&
+ $org_logo_height>0) {
+ $height = $org_logo_height;
+ } else {
+ $height = '';
+ }
+
+ $logo_str = create_image($org_logo, sprintf(_("%s Logo"), $org_name),
+ $width, $height, '', 'sqm_loginImage');
+
+}
+
+$sm_attribute_str = '';
+if (isset($hide_sm_attributions) && !$hide_sm_attributions) {
+ $sm_attribute_str = _("SquirrelMail Webmail")."\n" .
+ _("By the SquirrelMail Project Team");
+}
+
+if(sqgetGlobalVar('mailtodata', $mailtodata)) {
+ $mailtofield = addHidden('mailtodata', $mailtodata);
+} else {
+ $mailtofield = '';
+}
+
+$password_field = addPwField('secretkey');
+$login_extra = addHidden('js_autodetect_results', SMPREF_JS_OFF).
+ $mailtofield .
+ addHidden('just_logged_in', '1');
+
+session_write_close();
+
+$oTemplate->assign('logo_str', $logo_str, FALSE);
+$oTemplate->assign('logo_path', $org_logo);
+$oTemplate->assign('sm_attribute_str', $sm_attribute_str);
+// i18n: The %s represents the service provider's name
+$oTemplate->assign('org_name_str', sprintf (_("%s Login"), $org_name));
+// i18n: The %s represents the service provider's name
+$oTemplate->assign('org_logo_str', sprintf (_("The %s logo"), $org_name));
+$oTemplate->assign('login_field_value', $loginname_value);
+$oTemplate->assign('login_extra', $login_extra, FALSE);
+
+$oTemplate->display('login.tpl');
+
+do_hook('login_bottom', $null);
+
+// Turn off delayed error handling to make sure all errors are dumped.
+$oErrorHandler->setDelayedErrors(false);
+
+$oTemplate->display('footer.tpl');