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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Mediawiki\Api\Guzzle;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Handler\CurlHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\HandlerStack;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerAwareInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\NullLogger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since 2.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Addshore  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class ClientFactory implements LoggerAwareInterface { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @since 2.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param array $config with possible keys:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *          middleware => array of extra middleware to pass to guzzle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *          user-agent => string default user agent to use for requests  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function __construct( array $config = array() ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->logger = new NullLogger();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->config = $config;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @since 2.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return Client  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getClient() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if( $this->client === null ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->client = $this->newClient();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return Client  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function newClient() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$middlewareFactory = new MiddlewareFactory();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$middlewareFactory->setLogger( $this->logger );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$handlerStack = HandlerStack::create( new CurlHandler() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$handlerStack->push( $middlewareFactory->retry() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if( array_key_exists( 'user-agent', $this->config ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$ua = $this->config['user-agent'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$ua = 'Addwiki - mediawiki-api-base';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if( array_key_exists( 'middleware', $this->config ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			foreach( $this->config['middleware'] as $middleware ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$handlerStack->push( $middleware );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return new Client( array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'cookies' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'handler' => $handlerStack,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'headers' => array( 'User-Agent' => $ua ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Sets a logger instance on the object  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @since 2.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param LoggerInterface $logger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function setLogger( LoggerInterface $logger ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->logger = $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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