summaryrefslogtreecommitdiffstats
path: root/endpoints/lib/auth/ActiveDirectory.php
diff options
context:
space:
mode:
Diffstat (limited to 'endpoints/lib/auth/ActiveDirectory.php')
-rw-r--r--endpoints/lib/auth/ActiveDirectory.php203
1 files changed, 203 insertions, 0 deletions
diff --git a/endpoints/lib/auth/ActiveDirectory.php b/endpoints/lib/auth/ActiveDirectory.php
new file mode 100644
index 0000000..ce8c4df
--- /dev/null
+++ b/endpoints/lib/auth/ActiveDirectory.php
@@ -0,0 +1,203 @@
+<?php
+/*
+ * $Id: ActiveDirectory.php 501 2013-07-11 17:44:37Z imooreyahoo@gmail.com $
+* Experimental!
+*/
+class phpvbAuthActiveDirectory implements phpvbAuth {
+
+ var $capabilities = array(
+ 'canChangePassword' => false,
+ 'canLogout' => true
+ );
+
+ var $config = array(
+ 'host' => '127.0.0.1',
+ 'admin_group' => null,
+ 'adminUser' => null,
+ 'user_group' => null,
+ 'container' => 'CN=Users',
+ 'domain' => 'internal.local',
+ 'filter' => '(&(objectclass=User)(objectCategory=Person))'
+ );
+
+ /**
+ * Constructor
+ * @param array $userConfig - user configuration for this module
+ */
+ function phpvbAuthActiveDirectory($userConfig = null) {
+ // Merge user config
+ if($userConfig) {
+ $this->config = array_merge($this->config,$userConfig);
+ }
+ }
+
+ /**
+ * Test log in and set $_SESSION vars
+ * @param string $username
+ * @param string $password
+ * @see phpvbAuth::login()
+ */
+ function login($username, $password)
+ {
+ global $_SESSION;
+
+
+ /*
+ * Check for LDAP functionality and provide some direction
+ */
+ if(!function_exists('ldap_connect')) {
+
+ $ex = 'LDAP support is not enabled in your PHP configuration.';
+
+ if(strtolower(substr(PHP_OS, 0, 3)) == 'win') {
+
+ ob_start();
+ phpinfo(INFO_GENERAL);
+ $phpinfo = ob_get_contents();
+ ob_end_clean();
+ preg_match('/Loaded Configuration File <\/td><td.*?>(.*?)\s*</', $phpinfo, $phpinfo);
+
+ $ex .= ' You probably just need to uncomment the line ;extension=php_ldap.dll in php.ini'.
+ (count($phpinfo) > 1 ? ' (' .trim($phpinfo[1]).')' : '') . ' by removing the ";" and restart your web server.';
+
+ } else if(strtolower(substr(PHP_OS, 0, 5)) == 'Linux') {
+
+ $ex .= ' You probably need to install the php5-ldap (or similar depending on your distribution) package and restart your web server.';
+
+ }
+ throw new Exception($ex);
+ }
+
+ $_SESSION['valid'] = false;
+
+ // Connect to server
+ if(!($auth = ldap_connect($this->config['host']))) {
+ throw new Exception('Active Directory error ('.ldap_errno($auth).') ' . ldap_error($auth));
+ }
+
+ // Set relevant LDAP options
+ ldap_set_option($auth,LDAP_OPT_PROTOCOL_VERSION, 3);
+
+
+ // Main login /bind
+ if(!($bind = @ldap_bind($auth, $username . "@" .$this->config['domain'], $password))) {
+ if(ldap_errno($auth) == 49) return false;
+ throw new Exception('Active Directory error ('.ldap_errno($auth).') ' . ldap_error($auth));
+ }
+
+
+ // Get user information from AD
+ ////////////////////////////////////
+
+
+ // Set filter and sanitize username before sending it to AD
+ $filter = "(sAMAccountName=" .
+ str_replace(array(',','=','+','<','>',';','\\','"','#','(',')','*',chr(0)), '', $username) . ")";
+ if($this->config['filter'] && false) {
+ $filter = '(&'. $this->config['filter'] .' ('. $filter .'))';
+ }
+
+ $result = @ldap_search($auth,
+ $this->config['container'] . ',DC=' . join(',DC=', explode('.', $this->config['domain'])),
+ $filter, array("memberof","useraccountcontrol"));
+
+ if(!result) throw new Exception ("Unable to search Active Directory server: " . ldap_error($auth));
+ @list($entries) = @ldap_get_entries($auth, $result);
+ @ldap_unbind($auth);
+ if(!$entries) {
+ throw new Exception("Permission denied");
+ }
+
+
+ // Check for disabled user
+ if((intval($entries['useraccountcontrol'][0]) & 2)) {
+ throw new Exception('This account is disabled in Active Directory.');
+ }
+
+ // check for valid admin group
+ if($this->config['admin_group']) {
+ foreach($entries['memberof'] as $group) {
+ list($group) = explode(',', $group);
+ if(strtolower($group) == strtolower('cn='.$this->config['admin_group'])) {
+ $_SESSION['admin'] = $_SESSION['valid'] = true;
+ break;
+ }
+ }
+ }
+
+ // Admin user explicitly set?
+ if(!$_SESSION['admin'] && $this->config['adminUser']) {
+ $_SESSION['admin'] = (strtolower($this->config['adminUser']) == strtolower($username));
+ // Admin is ok
+ $_SESSION['valid'] = ($_SESSION['admin'] || $_SESSION['valid']);
+ }
+
+ // check for valid user group
+ if($this->config['user_group'] && !$_SESSION['valid']) {
+ foreach($entries['memberof'] as $group) {
+ list($group) = explode(',', $group);
+ if(strtolower($group) == strtolower('cn='.$this->config['user_group'])) {
+ $_SESSION['valid'] = true;
+ break;
+ }
+ }
+ } else {
+ $_SESSION['valid'] = true;
+ }
+
+ if(!$_SESSION['valid'])
+ throw new Exception("Permission denied");
+
+ // Admin user explicitly set?
+ if(!$_SESSION['admin'] && $this->config['adminUser']) {
+ $_SESSION['admin'] = (strtolower($this->config['adminUser']) == strtolower($username));
+ }
+
+ // No admin information specified makes everyone an admin
+ if(!$this->config['adminUser'] && !$this->config['admin_group'])
+ $_SESSION['admin'] = true;
+
+ // user has permission. establish session variables
+ $_SESSION['user'] = $username;
+ $_SESSION['authCheckHeartbeat'] = time();
+
+
+ return true;
+
+ }
+
+ function heartbeat($vbox)
+ {
+ global $_SESSION;
+
+ $_SESSION['valid'] = true;
+ $_SESSION['authCheckHeartbeat'] = time();
+ }
+
+ function changePassword($old, $new)
+ {
+ }
+
+ function logout(&$response)
+ {
+ global $_SESSION;
+ if(function_exists('session_destroy')) session_destroy();
+ else unset($_SESSION['valid']);
+ $response['data']['result'] = 1;
+ }
+
+ function listUsers()
+ {
+
+ }
+
+ function updateUser($vboxRequest, $skipExistCheck)
+ {
+
+ }
+
+ function deleteUser($user)
+ {
+
+ }
+}