<?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.
- **
- ** $Id$
- **/
-
- $rcptaddress = '';
- if (isset($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 $$name;
- $$name = $val;
- }
- }
-
- // At this point, we have parsed a lot of the mailto stuff. Let's
- // do the rest -- CC, BCC, Subject, Body
- // Note: They can all be case insensitive
- foreach ($GLOBALS as $k => $v)
- {
- $key = strtolower($k);
- $value = urlencode($v);
- if ($key == 'cc')
- $rcptaddress .= '&send_to_cc=' . $value;
- elseif ($key == 'bcc')
- $rcptaddress .= '&send_to_bcc=' . $value;
- elseif ($key == 'subject')
- $rcptaddress .= '&subject=' . $value;
- elseif ($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');
-
- // $squirrelmail_language is set by a cookie when the user selects
- // language and logs out
- set_up_language($squirrelmail_language, true);
-
- // 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);
- header ("Pragma: no-cache");
-
- // 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["domain"].$cookie_params["path"]);
-
- do_hook('login_cookie');
- echo "<HTML>";
- echo "<HEAD><TITLE>";
- echo $org_name . " - " . _("Login");
- echo "</TITLE></HEAD>\n";
- echo "<BODY TEXT=000000 BGCOLOR=#FFFFFF LINK=0000CC VLINK=0000CC ALINK=0000CC>\n";
- echo "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
-
- $username_form_name = 'login_username';
- $password_form_name = 'secretkey';
- do_hook('login_top');
-
- echo "<CENTER><IMG SRC=\"$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_form_name\"";
- if (isset($loginname))
- echo " value=\"" . htmlspecialchars($loginname) . "\"";
- echo ">\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=\"$password_form_name\">\n";
- echo " </TD>\n";
- if ($rcptaddress != '') {
- echo " <INPUT TYPE=HIDDEN NAME=\"rcptemail\" VALUE=\"".htmlspecialchars($rcptaddress)."\">\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 "<input type=hidden name=just_logged_in value=1>\n";
- do_hook('login_form');
- echo "</FORM>\n";
- do_hook("login_bottom");
-?>
-</BODY>
-</HTML>
+/**
+ * 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_*
+ */
+/**
+ * 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
+ */
+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) {
+ $sm_attribute_str = _("SquirrelMail Webmail Application")."<br />\n" .
+ _("By the SquirrelMail Project Team")."<br />\n";
+}
+
+$username_form_name = 'login_username';
+$password_form_name = 'secretkey';
+
+if(sqgetGlobalVar('mailto', $mailto)) {
+ $rcptaddress = addHidden('mailto', $mailto);
+} else {
+ $rcptaddress = '';
+}
+
+$password_field = addPwField($password_form_name);
+$login_extra = addHidden('js_autodetect_results', SMPREF_JS_OFF).
+ $rcptaddress .
+ addHidden('just_logged_in', '1') .
+ concat_hook_function('login_form');
+
+session_write_close();
+
+$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_value', $loginname_value);
+$oTemplate->assign('login_extra', $login_extra);
+
+echo '<body onLoad="squirrelmail_loginpage_onload()" style="text-align:center">'."\n";
+echo '<form action="redirect.php" method="post" onSubmit="document.forms[0].js_autodetect_results.value='. SMPREF_JS_ON .'">'."\n";
+do_hook('login_top');
+
+$oTemplate->display('login.tpl');
+
+echo "</form>\n";
+do_hook('login_bottom');
+
+// Turn off delayed error handling to make sure all errors are dumped.
+#$oErrorHandler->delayedErrors(false);
+
+#trigger_error('login');
+$oTemplate->display('footer.tpl');
+?>
projects / squirrelmail.git / blobdiff