+/**
+ * login.php -- simple login screen
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * @copyright © 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+// reduces the files included in init.php
+$sInitLocation = '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);
+
+/**
+ * In case the last session was not terminated properly, make sure
+ * we get a new one, but make sure we preserve session_expired_*
+ */
+if ( !empty($_SESSION['session_expired_post']) && !empty($_SESSION['session_expired_location']) ) {
+ $sep = $_SESSION['session_expired_post'];
+ $sel = $_SESSION['session_expired_location'];
+
+ sqsession_destroy();
+ @sqsession_is_active();
+ $_SESSION=array();
+ sqsession_register($sep, 'session_expired_post');
+ sqsession_register($sel, 'session_expired_location');
+} else {
+ sqsession_destroy();
+ @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
+ $oTemplate->display('footer.tpl');
+ exit;
+ }
+ }
+}
+
+do_hook('login_cookie');
+
+$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']);
+
+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"), $header, FALSE );
+
+
+/* If they don't have a logo, don't bother.. */
+$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";
+}
+
+if(sqgetGlobalVar('mailto', $mailto)) {
+ $rcptaddress = addHidden('mailto', $mailto);
+} else {
+ $rcptaddress = '';
+}
+
+$password_field = addPwField('secretkey');
+$login_extra = addHidden('js_autodetect_results', SMPREF_JS_OFF).
+ $rcptaddress .
+ addHidden('just_logged_in', '1');
+
+session_write_close();
+
+$oTemplate->assign('logo_str', $logo_str);
+$oTemplate->assign('logo_path', $org_logo);
+$oTemplate->assign('sm_attribute_str', $sm_attribute_str);
+$oTemplate->assign('org_name_str', sprintf (_("%s Login"), $org_name));
+$oTemplate->assign('login_field_value', $loginname_value);
+$oTemplate->assign('login_extra', $login_extra);
+
+echo '<body onLoad="squirrelmail_loginpage_onload()">'."\n";
+echo '<form action="redirect.php" method="post" onSubmit="document.forms[0].js_autodetect_results.value='. SMPREF_JS_ON .'">'."\n";
+do_hook('login_top');
+
+$oTemplate->display('login.tpl');
+
+echo "</form>\n";
+do_hook('login_bottom');
+
+// Turn off delayed error handling to make sure all errors are dumped.
+$oErrorHandler->setDelayedErrors(false);
+
+$oTemplate->display('footer.tpl');
+?>