1 <?php
4 class jsonRPC {
6 private $curlHandler = NULL;
7 private $config;
8 private $id;
9 private $lastStats = array();
10 private $lastResult = array();
11 private $lastAction = "none";
14 private $connectUrl = "";
15 private $username = "";
16 private $userPassword = "";
17 private $authModeDigest = FALSE;
20 /*! \brief This function is used by the property editor and checks the
21 * given rpc connection informations.
22 */
23 public static function testConnectionProperties($message,$class,$name,$value, $type)
24 {
25 global $config;
27 // Get currently used connection usernamem and password.
28 // We use the temporary values, due to the fact, that we do not want to test
29 // the current values, we want to test the modified values.
30 $user = $config->configRegistry->getProperty('core','gosaRpcUser');
31 $username = $user->getValue($temporaryValue = TRUE);
32 $passwd = $config->configRegistry->getProperty('core','gosaRpcPassword');
33 $passwdString = $passwd->getValue($temporaryValue = TRUE);
35 $connection = new jsonRPC($config, $value, $username, $passwdString);
36 if(!$connection->success() && $message){
37 msg_dialog::display(_("Warning"),
38 sprintf(_("The rpc connection (%s) specified for '%s:%s' is invalid! Error was: %s."),
39 bold($value),bold($class),bold($name), bold($connection->get_error())),
40 WARNING_DIALOG);
42 }
44 return($connection->success());
45 }
48 /*! \brief Constructs a new jsonRPC handle which is connected to a given URL.
49 * It can either connect using a rpc method or via auth method digest.
50 * @param object The gosa configuration object (class_config)
51 * @param string The url to connect to.
52 * @param string The username for authentication
53 * @param string The password to use for authentication
54 * @param boolean Whether to use DIGEST authentication or not.
55 * @return
56 */
57 public function __construct($config, $connectUrl, $username, $userPassword, $authModeDigest=FALSE)
58 {
59 $this->config = $config;
60 $this->id = 0;
62 // Get connection data
63 $this->connectUrl = $connectUrl;
64 $this->username = $username;
65 $this->userPassword = $userPassword;
66 $this->authModeDigest = $authModeDigest;
68 // Put some usefull info in the logs
69 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,bold($this->connectUrl), "Initiated RPC ");
70 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,bold($this->username), "RPC user: ");
71 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,bold($this->userPassword),"RPC password: ");
72 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,bold($this->authModeDigest),"Digest Auth (0: No, 1: Yes): ");
74 $this->__login();
75 }
78 /*! \brief
79 * @param
80 * @return
81 */
82 private function __login()
83 {
84 // Init Curl handler
85 $this->curlHandler = curl_init($this->connectUrl);
87 // Set curl options
88 curl_setopt($this->curlHandler, CURLOPT_URL , $this->connectUrl);
89 curl_setopt($this->curlHandler, CURLOPT_POST , TRUE);
90 curl_setopt($this->curlHandler, CURLOPT_RETURNTRANSFER ,TRUE);
91 curl_setopt($this->curlHandler, CURLOPT_HTTPHEADER , array('Content-Type: application/json'));
92 curl_setopt($this->curlHandler, CURLOPT_SSL_VERIFYPEER, FALSE);
94 // Try to login
95 if($this->authModeDigest){
96 curl_setopt($this->curlHandler, CURLOPT_USERPWD , "{$this->username}:{$this->userPassword}");
97 curl_setopt($this->curlHandler, CURLOPT_HTTPAUTH , CURLAUTH_ANYSAFE);
98 }else{
99 curl_setopt($this->curlHandler, CURLOPT_COOKIESESSION , TRUE);
100 curl_setopt($this->curlHandler, CURLOPT_COOKIEFILE, 'cookiefile.txt');
101 $this->login($this->username, $this->userPassword);
102 }
103 }
106 /*! \brief Returns the last HTTP status code.
107 * @return int The last status code.
108 */
109 public function getHTTPstatusCode()
110 {
111 return((isset($this->lastStats['http_code']))? $this->lastStats['http_code'] : -1 );
112 }
115 /*! \brief Returns the last error string.
116 * @return string The last error message.
117 */
118 public function get_error()
119 {
120 if($this->lastStats['http_code'] != 200){
121 $error = $this->getHttpStatusCodeMessage($this->lastStats['http_code']);
122 if(isset($this->lastResult['error']['message'])){
123 $error .= ": ".$this->lastResult['error']['message'];
124 }
125 return($error);
126 }else{
127 return(curl_error($this->curlHandler));
128 }
129 }
133 /*! \brief Returns TRUE if the last action was successfull else FALSE.
134 * @return boolean TRUE on success else FALSE.
135 */
136 public function success()
137 {
138 return(curl_errno($this->curlHandler) == 0 && $this->lastStats['http_code'] == 200);
139 }
142 /*! \brief The class destructor, it destroys open rpc handles if needed.
143 */
144 public function __destruct()
145 {
146 if($this->curlHandler){
147 curl_close($this->curlHandler);
148 }
149 }
152 /*! \brief This is some kind of catch-all method, all unknown method names will
153 * will be interpreted as rpc request.
154 * If you call "$this->blafasel" this method will initiate an rpc request
155 * for method 'blafasel'.
156 * @param string method The rpc method to execute.
157 * @param params array The parameter to use.
158 * @return mixed The request result.
159 */
160 public function __call($method,$params)
161 {
162 // Check if handle is still valid!
163 if(!$this->curlHandler && $this->lastAction != 'login'){
164 $this->__login();
165 }
167 // Start request
168 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,"{$method}", "Calling: ");
169 $response = $this->request($method,$params);
170 if($this->success()){
171 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,
172 (is_array($response['result']))?$response['result']:bold($response['result']), "Result: ");
173 }else{
174 DEBUG (DEBUG_RPC, __LINE__, __FUNCTION__, __FILE__,bold($this->get_error())."<br>".$response, "Result (FAILED): ");
175 }
177 global $config;
178 $debugLevel = $config->get_cfg_value('core', 'debugLevel');
179 if($debugLevel & DEBUG_RPC){
180 print_a(array('CALLED:' => array($method => $params)));
181 print_a(array('RESPONSE' => $response));
182 }
183 return($response['result']);
184 }
187 /*! \brief This method finally initiates the real RPC requests and handles
188 * the result from the server.
189 * @param string method The method to call
190 * @param array params The paramter to use.
191 * @return mixed The server response.
192 */
193 private function request($method, $params)
194 {
195 // Set last action
196 $this->lastAction = $method;
198 // Reset stats of last request.
199 $this->lastStats = array();
201 // Validate input values
202 if (!is_scalar($method)) trigger_error('jsonRPC::__call requires a scalar value as first parameter!');
203 if (is_array($params)) {
204 $params = array_values($params);
205 } else {
206 trigger_error('jsonRPC::__call requires an array value as second parameter!');
207 }
209 // prepares the request
210 $this->id ++;
211 $request = json_encode(array('method' => $method,'params' => $params,'id' => $this->id));
213 // Set curl options
214 curl_setopt($this->curlHandler, CURLOPT_POSTFIELDS , $request);
215 $response = curl_exec($this->curlHandler);
216 $response = json_decode($response,true);
218 // Set current result stats.
219 $this->lastStats = curl_getinfo($this->curlHandler);
220 $this->lastResult = $response;
222 return($response);
223 }
226 /*! \brief Returns the HTTP status message for a given HTTP status code.
227 * @param int code The status to code to return a message for.
228 * @return string The corresponding status message.
229 */
230 public static function getHttpStatusCodeMessage($code)
231 {
232 $codes = array(
233 '100' => 'Continue',
234 '101' => 'Switching Protocols',
235 '102' => 'Processing',
236 '200' => 'OK',
237 '201' => 'Created',
238 '202' => 'Accepted',
239 '203' => 'Non-Authoritative Information',
240 '204' => 'No Content',
241 '205' => 'Reset Content',
242 '206' => 'Partial Content',
243 '207' => 'Multi-Status',
244 '300' => 'Multiple Choice',
245 '301' => 'Moved Permanently',
246 '302' => 'Found',
247 '303' => 'See Other',
248 '304' => 'Not Modified',
249 '305' => 'Use Proxy',
250 '306' => 'reserved',
251 '307' => 'Temporary Redirect',
252 '400' => 'Bad Request',
253 '401' => 'Unauthorized',
254 '402' => 'Payment Required',
255 '403' => 'Forbidden',
256 '404' => 'Not Found',
257 '405' => 'Method Not Allowed',
258 '406' => 'Not Acceptable',
259 '407' => 'Proxy Authentication Required',
260 '408' => 'Request Time-out',
261 '409' => 'Conflict',
262 '410' => 'Gone',
263 '411' => 'Length Required',
264 '412' => 'Precondition Failed',
265 '413' => 'Request Entity Too Large',
266 '414' => 'Request-URI Too Long',
267 '415' => 'Unsupported Media Type',
268 '416' => 'Requested range not satisfiable',
269 '417' => 'Expectation Failed',
270 '421' => 'There are too many connections from your internet address',
271 '422' => 'Unprocessable Entity',
272 '423' => 'Locked',
273 '424' => 'Failed Dependency',
274 '425' => 'Unordered Collection',
275 '426' => 'Upgrade Required',
276 '500' => 'Internal Server Error',
277 '501' => 'Not Implemented',
278 '502' => 'Bad Gateway',
279 '503' => 'Service Unavailable',
280 '504' => 'Gateway Time-out',
281 '505' => 'HTTP Version not supported',
282 '506' => 'Variant Also Negotiates',
283 '507' => 'Insufficient Storage',
284 '509' => 'Bandwidth Limit Exceeded',
285 '510' => 'Not Extended');
286 return((isset($codes[$code]))? $codes[$code] : sprintf(_("Unknown HTTP status code '%s'!"), $code));
287 }
288 }
289 ?>