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<?php | ||
/* | ||
COPYRIGHT | ||
Copyright 2007 Sergio Vaccaro <sergio@inservibile.org> | ||
This file is part of JSON-RPC PHP. | ||
JSON-RPC PHP is free software; you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License as published by | ||
the Free Software Foundation; either version 2 of the License, or | ||
(at your option) any later version. | ||
JSON-RPC PHP is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
You should have received a copy of the GNU General Public License | ||
along with JSON-RPC PHP; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
*/ | ||
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/** | ||
* The object of this class are generic jsonRPC 1.0 clients | ||
* http://json-rpc.org/wiki/specification | ||
* | ||
* @author sergio <jsonrpcphp@inservibile.org> | ||
*/ | ||
class jsonRPCClient { | ||
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/** | ||
* Debug state | ||
* | ||
* @var boolean | ||
*/ | ||
private $debug; | ||
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/** | ||
* The server URL | ||
* | ||
* @var string | ||
*/ | ||
private $url; | ||
/** | ||
* The request id | ||
* | ||
* @var integer | ||
*/ | ||
private $id; | ||
/** | ||
* If true, notifications are performed instead of requests | ||
* | ||
* @var boolean | ||
*/ | ||
private $notification = false; | ||
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/** | ||
* Takes the connection parameters | ||
* | ||
* @param string $url | ||
* @param boolean $debug | ||
*/ | ||
public function __construct($url,$debug = false) { | ||
// server URL | ||
$this->url = $url; | ||
// proxy | ||
empty($proxy) ? $this->proxy = '' : $this->proxy = $proxy; | ||
// debug state | ||
empty($debug) ? $this->debug = false : $this->debug = true; | ||
// message id | ||
$this->id = 1; | ||
} | ||
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/** | ||
* Sets the notification state of the object. In this state, notifications are performed, instead of requests. | ||
* | ||
* @param boolean $notification | ||
*/ | ||
public function setRPCNotification($notification) { | ||
empty($notification) ? | ||
$this->notification = false | ||
: | ||
$this->notification = true; | ||
} | ||
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/** | ||
* Performs a jsonRCP request and gets the results as an array | ||
* | ||
* @param string $method | ||
* @param array $params | ||
* @return array | ||
*/ | ||
public function __call($method,$params) { | ||
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// check | ||
if (!is_scalar($method)) { | ||
throw new Exception('Method name has no scalar value'); | ||
} | ||
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// check | ||
if (is_array($params)) { | ||
// no keys | ||
$params = array_values($params); | ||
} else { | ||
throw new Exception('Params must be given as array'); | ||
} | ||
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// sets notification or request task | ||
if ($this->notification) { | ||
$currentId = NULL; | ||
} else { | ||
$currentId = $this->id; | ||
} | ||
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// prepares the request | ||
$request = array( | ||
'method' => $method, | ||
'params' => $params, | ||
'id' => $currentId | ||
); | ||
$request = json_encode($request); | ||
$this->debug && $this->debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n"; | ||
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// performs the HTTP POST | ||
$opts = array ('http' => array ( | ||
'method' => 'POST', | ||
'header' => 'Content-type: application/json', | ||
'content' => $request | ||
)); | ||
$context = stream_context_create($opts); | ||
if ($fp = fopen($this->url, 'r', false, $context)) { | ||
$response = ''; | ||
while($row = fgets($fp)) { | ||
$response.= trim($row)."\n"; | ||
} | ||
$this->debug && $this->debug.='***** Server response *****'."\n".$response.'***** End of server response *****'."\n"; | ||
$response = json_decode($response,true); | ||
} else { | ||
throw new Exception('Unable to connect to '.$this->url); | ||
} | ||
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// debug output | ||
if ($this->debug) { | ||
echo nl2br($debug); | ||
} | ||
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// final checks and return | ||
if (!$this->notification) { | ||
// check | ||
if ($response['id'] != $currentId) { | ||
throw new Exception('Incorrect response id (request id: '.$currentId.', response id: '.$response['id'].')'); | ||
} | ||
if (!is_null($response['error'])) { | ||
throw new Exception('Request error: '.$response['error']); | ||
} | ||
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return $response['result']; | ||
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} else { | ||
return true; | ||
} | ||
} | ||
public function execute($method,$params) { | ||
return $this->__call($method,$params); | ||
} | ||
} | ||
?> |
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personal_ws-1.1 en 1 | ||
textarea |
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