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login_ldap.php
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login_ldap.php
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<?php
// Set a variable so that misc.inc.php knows not to throw us into an infinite redirect loop
$loginPage = true;
require_once('db.inc.php');
require_once('facilities.inc.php');
// Uncomment these if you need/want to set a title in the header
$header=__("openDCIM Login");
$content = "";
$person = new People();
if ( isset($_GET['logout'])) {
// Unfortunately session_destroy() doesn't actually clear out existing variables, so let's nuke from orbit
session_unset();
$_SESSION = array();
unset($_SESSION["userid"]);
session_destroy();
session_commit();
$content = "<h3>Logout successful.</h3>";
}
if ( isset($_POST['username'])) {
$ldapConn = ldap_connect( $config->ParameterArray['LDAPServer'] );
if ( ! $ldapConn ) {
$content = "<h3>Fatal error. The LDAP server is not reachable. Please try again later, or contact your system administrator to check the configuration.</h3>";
error_log( "Unable to connect to LDAP Server: " . $config->ParameterArray['LDAPServer']);
} else {
ldap_set_option( $ldapConn, LDAP_OPT_PROTOCOL_VERSION, 3 );
ldap_set_option( $ldapConn, LDAP_OPT_REFERRALS, 0 );
$ldapUser = htmlspecialchars($_POST['username']);
$ldapDN = str_replace( "%userid%", $ldapUser, $config->ParameterArray['LDAPBindDN']);
$ldapPassword = $_POST['password'];
$ldapBind = ldap_bind( $ldapConn, $ldapDN, $ldapPassword );
if ( ! $ldapBind ) {
$content = "<h3>Login failed. Incorrect username, password, or rights.</h3>";
} else {
// User was able to authenticate, but might not have authorization to access openDCIM. Here we check for those rights.
/* If this install doesn't have the new parameter, use the old default */
if ( !isset($config->ParameterArray['LDAPBaseSearch'])) {
$config->ParameterArray['LDAPBaseSearch'] = "(&(objectClass=posixGroup)(memberUid=%userid%))";
}
$ldapSearchDN = str_replace( "%userid%", $ldapUser, html_entity_decode($config->ParameterArray['LDAPBaseSearch']));
$ldapSearch = ldap_search( $ldapConn, $config->ParameterArray['LDAPBaseDN'], $ldapSearchDN );
$ldapResults = ldap_get_entries( $ldapConn, $ldapSearch );
// Because we have audit logs to maintain, we need to make a local copy of the User's record
// to keep in the openDCIM database just in case the user gets removed from LDAP. This also
// makes it easier to check access rights by replicating the user's rights from LDAP into the
// local db for the session. Revoke all rights every login and pull a fresh set from LDAP.
$person->UserID = $ldapUser;
$person->GetPersonByUserID();
$person->revokeAll();
for ( $i = 0; $i < $ldapResults['count']; $i++ ) {
// Originally this was a Switch/Case statement, which would seem to make more sense.
// However, if someone wants to use the same Group identifier for more than one right,
// the switch/case would only allow for that group membership to be used once.
//
// So, here we are with a ton of if/then statements.
if ( $config->ParameterArray['LDAPSiteAccess'] == "" || $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPSiteAccess'] ) {
// No specific group membership required to access openDCIM or they have a match to the group required
$_SESSION['userid'] = $ldapUser;
$_SESSION['LoginTime'] = time();
session_commit();
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPReadAccess'] ) {
$person->ReadAccess = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPWriteAccess'] ) {
$person->WriteAccess = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPDeleteAccess'] ) {
$person->DeleteAccess = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPAdminOwnDevices'] ) {
$person->AdminOwnDevices = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPRackRequest'] ) {
$person->RackRequest = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPRackAdmin'] ) {
$person->RackAdmin = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPContactAdmin'] ) {
$person->ContactAdmin = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPBulkOperations'] ) {
$person->BulkOperations = true;
}
if ( $ldapResults[$i]['dn'] == $config->ParameterArray['LDAPSiteAdmin'] ) {
$person->SiteAdmin = true;
}
}
// Now get some more info about the user
// Insert the default 4.2 UserSearch string in case this is an upgrade instance
if ( ! isset($config->ParameterArray['LDAPUserSearch'])) {
$config->ParameterArray['LDAPUserSearch'] = "(|(uid=%userid%))";
}
$userSearch = str_replace( "%userid%", $ldapUser, html_entity_decode($config->ParameterArray['LDAPUserSearch']));
$ldapSearch = ldap_search( $ldapConn, $config->ParameterArray['LDAPBaseDN'], $userSearch );
$ldapResults = ldap_get_entries( $ldapConn, $ldapSearch );
// These are standard schema items, so they aren't configurable
// However, suppress any errors that may crop up from not finding them
$person->FirstName = @$ldapResults[0]['givenname'][0];
$person->LastName = @$ldapResults[0]['sn'][0];
$person->Email = @$ldapResults[0]['mail'][0];
if ( isset($_SESSION['userid']) ) {
if ( $person->PersonID > 0 ) {
$person->UpdatePerson();
} else {
$person->CreatePerson();
}
if ( isset($_COOKIE['targeturl'] )) {
header('Location: ' . html_entity_decode($_COOKIE['targeturl']));
} else {
header('Location: ' . redirect('index.php'));
}
exit;
} else {
$content .= "<h3>Login failed. Incorrect username, password, or rights.</h3>";
}
}
}
}
?>
<!doctype html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>openDCIM Data Center Inventory</title>
<link rel="stylesheet" href="css/inventory.php" type="text/css">
<link rel="stylesheet" href="css/jquery-ui.css" type="text/css">
<!--[if lt IE 9]>
<link rel="stylesheet" href="css/ie.css" type="text/css" />
<![endif]-->
<script type="text/javascript" src="scripts/jquery.min.js"></script>
<script type="text/javascript" src="scripts/jquery-ui.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#username").focus();
});
</script>
</head>
<body>
<?php include( 'header.inc.php' ); ?>
<div class="page index">
<?php
include( 'sidebar.inc.php' );
?>
<div class="main">
<div class="center"><div>
<?php echo $content; ?>
<form action="login_ldap.php" method="post">
<div class="table">
<div>
<div><label for="username"><?php echo __("Username:"); ?></label></div>
<div><input type="text" id="username" name="username"></div>
</div>
<div>
<div><label for="password"><?php echo __("Password:"); ?></label></div>
<div><input type="password" name="password"></div>
</div>
<div>
<div></div>
<div><input type="submit" name="submit" value="<?php echo __("Submit"); ?>"></div>
</div>
</div>
</form>
<div>
<?php
if ( file_exists("sitecontact.html")) {
include("sitecontact.html");
}
?>
</div>
</div></div>
</div><!-- END div.main -->
</div><!-- END div.page -->
</body>
</html>