| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Part of the Joomla Framework Http Package | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @copyright  Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @license    GNU General Public License version 2 or later; see LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | namespace Joomla\Http; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * HTTP factory class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @since  1.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | class HttpFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 * Method to create an Http instance. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 	 * @param   array|\ArrayAccess  $options   Client options array. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	 * @param   array|string        $adapters  Adapter (string) or queue of adapters (array) to use for communication. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 * @return  Http | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	 * @since   1.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	 * @throws  \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 * @throws  \RuntimeException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	public static function getHttp($options = array(), $adapters = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		if (!is_array($options) && !($options instanceof \ArrayAccess)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 			throw new \InvalidArgumentException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 				'The options param must be an array or implement the ArrayAccess interface.' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 			); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 		if (!$driver = self::getAvailableDriver($options, $adapters)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 			throw new \RuntimeException('No transport driver available.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 		return new Http($options, $driver); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	 * Finds an available TransportInterface object for communication | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 * @param   array|\ArrayAccess  $options  Options for creating TransportInterface object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * @param   array|string        $default  Adapter (string) or queue of adapters (array) to use | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * @return  TransportInterface|boolean  Interface sub-class or boolean false if no adapters are available | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 * @since   1.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	 * @throws  \InvalidArgumentException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 57 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  | 	public static function getAvailableDriver($options = array(), $default = null) | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  | 	{ | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  | 		if (!is_array($options) && !($options instanceof \ArrayAccess)) | 
            
                                                                        
                            
            
                                    
            
            
                | 61 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 62 |  |  | 			throw new \InvalidArgumentException( | 
            
                                                                        
                            
            
                                    
            
            
                | 63 |  |  | 				'The options param must be an array or implement the ArrayAccess interface.' | 
            
                                                                        
                            
            
                                    
            
            
                | 64 |  |  | 			); | 
            
                                                                        
                            
            
                                    
            
            
                | 65 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  | 		if (is_null($default)) | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  | 			$availableAdapters = self::getHttpTransports(); | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  | 		else | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  | 			settype($default, 'array'); | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  | 			$availableAdapters = $default; | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  | 		// Check if there is at least one available http transport adapter | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  | 		if (!count($availableAdapters)) | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  | 			return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  | 		foreach ($availableAdapters as $adapter) | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  | 			/* @var  $class  TransportInterface */ | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  | 			$class = 'Joomla\\Http\\Transport\\' . ucfirst($adapter); | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  | 			if (class_exists($class)) | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  | 			{ | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  | 				if ($class::isSupported()) | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  | 				{ | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  | 					return new $class($options); | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  | 				} | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  | 		return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	 * Get the HTTP transport handlers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	 * @return  array  An array of available transport handlers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	 * @since   1.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	public static function getHttpTransports() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		$names = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 		$iterator = new \DirectoryIterator(__DIR__ . '/Transport'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 		/*  @var  $file  \DirectoryIterator */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 		foreach ($iterator as $file) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 			$fileName = $file->getFilename(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 			// Only load for php files. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 			if ($file->isFile() && $file->getExtension() == 'php') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 			{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 				$names[] = substr($fileName, 0, strrpos($fileName, '.')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 		// Keep alphabetical order across all environments | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 		sort($names); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 		// If curl is available set it to the first position | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 		$key = array_search('Curl', $names); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 		if ($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 			unset($names[$key]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 			array_unshift($names, 'Curl'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		return $names; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 138 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 139 |  |  |  |