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-rw-r--r--application/libraries/Duser/Duser.php124
1 files changed, 124 insertions, 0 deletions
diff --git a/application/libraries/Duser/Duser.php b/application/libraries/Duser/Duser.php
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+++ b/application/libraries/Duser/Duser.php
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+<?php
+/*
+ * Copyright 2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
+ *
+ * Licensed under AGPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+abstract class Duser_Driver extends CI_Driver {
+
+ // List of optional functions that are implemented
+ //
+ // Possible values are:
+ // - can_register_new_users (only supported with the DB driver!)
+ // - can_reset_password (only supported with the DB driver!)
+ // - can_change_email (only supported with the DB driver!)
+ public $optional_functions = array();
+
+ /*
+ * The returned array should contain the following keys:
+ * - username string
+ * - userid INT > 0
+ *
+ * @param username
+ * @param password
+ * @return mixed array on success, false on failure
+ */
+ abstract public function login($username, $password);
+
+ /*
+ * @param username
+ * @return boolean true is username exists, false otherwise
+ */
+ public function username_exists($username) {
+ return null;
+ }
+
+ /*
+ * @param userid
+ * @return string email address of the user
+ */
+ public function get_email($userid) {
+ return null;
+ }
+}
+
+class Duser extends CI_Driver_Library {
+
+ protected $_adapter = null;
+
+ protected $valid_drivers = array(
+ 'duser_db', 'duser_ldap', 'duser_fluxbb'
+ );
+
+ function __construct()
+ {
+ $CI =& get_instance();
+
+ $this->_adapter = $CI->config->item("authentication_driver");
+ }
+
+ // require an optional function to be implemented
+ public function require_implemented($function) {
+ if (!$this->is_implemented($function)) {
+ throw new \exceptions\PublicApiException("libraries/duser/optional-function-not-implemented", ""
+ ."Optional function '".$function."' not implemented in user adapter '".$this->_adapter."'. "
+ ."Requested functionally unavailable.");
+ }
+ }
+
+ // check if an optional function is implemented
+ public function is_implemented($function) {
+ if (in_array($function, $this->{$this->_adapter}->optional_functions)) {
+ return true;
+ }
+
+ return false;
+ }
+
+ public function login($username, $password)
+ {
+ $login_info = $this->{$this->_adapter}->login($username, $password);
+ if ($login_info === false) {
+ return false;
+ }
+
+ $CI =& get_instance();
+
+ $CI->session->set_userdata(array(
+ 'logged_in' => true,
+ 'username' => $login_info["username"],
+ 'userid' => $login_info["userid"],
+ 'access_level' => 'full',
+ ));
+
+ return true;
+ }
+
+ public function username_exists($username)
+ {
+ if ($username === false) {
+ return false;
+ }
+
+ return $this->{$this->_adapter}->username_exists($username);
+ }
+
+ public function get_email($userid)
+ {
+ return $this->{$this->_adapter}->get_email($userid);
+ }
+
+ public function test_login_credentials($username, $password)
+ {
+ $login_info = $this->{$this->_adapter}->login($username, $password);
+
+ if (isset($login_info['username']) && $login_info['username'] === $username) {
+ return true;
+ }
+
+ return false;
+ }
+}