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- <?php
- require_once(dirname(__FILE__).'/../inc/global.inc.php');
- class WSError {
-
- protected static $_handler;
-
-
- public $code;
-
-
- public $message;
-
-
- public function __construct($code, $message) {
- $this->code = $code;
- $this->message = $message;
- }
-
-
- public static function setErrorHandler($handler) {
- if($handler instanceof WSErrorHandler) {
- self::$_handler = $handler;
- }
- }
-
-
- public static function getErrorHandler() {
- return self::$_handler;
- }
-
-
- public function toArray() {
- return array('code' => $this->code, 'message' => $this->message);
- }
- }
- interface WSErrorHandler {
-
- public function handle($error);
- }
- class WS {
-
- protected $_configuration;
-
-
- public function __construct() {
- $this->_configuration = $GLOBALS['_configuration'];
- }
-
- protected function verifyKey($secret_key) {
- $ip = trim($_SERVER['REMOTE_ADDR']);
-
-
- if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
- list($ip1,$ip2) = split(',',$_SERVER['HTTP_X_FORWARDED_FOR']);
- $ip = trim($ip1);
- }
- $security_key = $ip.$this->_configuration['security_key'];
- if(!api_is_valid_secret_key($secret_key, $security_key)) {
- return new WSError(1, "API key is invalid");
- } else {
- return null;
- }
- }
-
-
- protected function getUserId($user_id_field_name, $user_id_value) {
- if($user_id_field_name == "chamilo_user_id") {
- if(UserManager::is_user_id_valid(intval($user_id_value))) {
- return intval($user_id_value);
- } else {
- return new WSError(100, "User not found");
- }
- } else {
- $user_id = UserManager::get_user_id_from_original_id($user_id_value, $user_id_field_name);
- if($user_id == 0) {
- return new WSError(100, "User not found");
- } else {
- return $user_id;
- }
- }
- }
-
-
- protected function getCourseId($course_id_field_name, $course_id_value) {
- if($course_id_field_name == "chamilo_course_id") {
- if(CourseManager::get_course_code_from_course_id(intval($course_id_value)) != null) {
- return intval($course_id_value);
- } else {
- return new WSError(200, "Course not found");
- }
- } else {
- $course_code = CourseManager::get_course_code_from_original_id($course_id_value, $course_id_field_name);
- if (!empty($course_code)) {
- $course_info = CourseManager::get_course_information($course_code);
- return $course_info['id'];
- } else {
- return new WSError(200, "Course not found");
- }
-
- }
- }
-
-
- protected function getSessionId($session_id_field_name, $session_id_value) {
- if($session_id_field_name == "chamilo_session_id") {
- $session = SessionManager::fetch((int)$session_id_value);
- if(!empty($session)) {
- return intval($session_id_value);
- } else {
- return new WSError(300, "Session not found");
- }
- } else {
- $session_id = SessionManager::get_session_id_from_original_id($session_id_value, $session_id_field_name);
- if($session_id == 0) {
- return new WSError(300, "Session not found");
- } else {
- return $session_id;
- }
- }
- }
-
-
- protected function handleError($error) {
- $handler = WSError::getErrorHandler();
- $handler->handle($error);
- }
-
-
- protected function getSuccessfulResult() {
- return array('code' => 0, 'message' => 'Operation was successful');
- }
-
-
- public function test() {
- return "success";
- }
-
-
- }
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