| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * HTTP Proxy connection interface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @package Requests | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @subpackage Proxy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @since 1.6 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * HTTP Proxy connection interface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * Provides a handler for connection via an HTTP proxy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * @package Requests | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * @subpackage Proxy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * @since 1.6 | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 18 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  | class Requests_Proxy_HTTP implements Requests_Proxy { | 
                            
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                | 20 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  | 	 * Proxy host and port | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  | 	 * Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128) | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  | 	 * @var string | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  | 	public $proxy; | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  | 	 * Username | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  | 	 * @var string | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  | 	public $user; | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  | 	 * Password | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  | 	 * @var string | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  | 	public $pass; | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  | 	 * Do we need to authenticate? (ie username & password have been provided) | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  | 	 * @var boolean | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  | 	public $use_authentication; | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  | 	 * Constructor | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  | 	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`) | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  | 	 * @param array|null $args Array of user and password. Must have exactly two elements | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	public function __construct($args = null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 		if (is_string($args)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 			$this->proxy = $args; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 		elseif (is_array($args)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 			if (count($args) == 1) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 				list($this->proxy) = $args; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 			elseif (count($args) == 3) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 				list($this->proxy, $this->user, $this->pass) = $args; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 				$this->use_authentication = true; | 
                            
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                | 68 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 			else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 				throw new Requests_Exception('Invalid number of arguments', 'proxyhttpbadargs'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 73 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  | 	 * Register the necessary callbacks | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  | 	 * @see curl_before_send | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  | 	 * @see fsockopen_remote_socket | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  | 	 * @see fsockopen_remote_host_path | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  | 	 * @see fsockopen_header | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  | 	 * @param Requests_Hooks $hooks Hook system | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	public function register(Requests_Hooks &$hooks) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		$hooks->register('curl.before_send', array(&$this, 'curl_before_send')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		$hooks->register('fsockopen.remote_socket', array(&$this, 'fsockopen_remote_socket')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 		$hooks->register('fsockopen.remote_host_path', array(&$this, 'fsockopen_remote_host_path')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 		if ($this->use_authentication) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 			$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 		} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 93 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  | 	 * Set cURL parameters before the data is sent | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  | 	 * @param resource $handle cURL resource | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	public function curl_before_send(&$handle) { | 
                            
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                | 102 |  |  | 		curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 		curl_setopt($handle, CURLOPT_PROXY, $this->proxy); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 		if ($this->use_authentication) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 			curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 			curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 		} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 109 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  | 	 * Alter remote socket information before opening socket connection | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  | 	 * @param string $remote_socket Socket connection string | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	public function fsockopen_remote_socket(&$remote_socket) { | 
                            
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                | 118 |  |  | 		$remote_socket = $this->proxy; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 119 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  | 	 * Alter remote path before getting stream data | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  | 	 * @param string $path Path to send in HTTP request string ("GET ...") | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  | 	 * @param string $url Full URL we're requesting | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 	public function fsockopen_remote_host_path(&$path, $url) { | 
                            
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                | 129 |  |  | 		$path = $url; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 130 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 132 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  | 	 * Add extra headers to the request before sending | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 135 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 136 |  |  | 	 * @param string $out HTTP header string | 
            
                                                                        
                            
            
                                    
            
            
                | 137 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 	public function fsockopen_header(&$out) { | 
                            
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                | 139 |  |  | 		$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string())); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 140 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 142 |  |  | 	/** | 
            
                                                                        
                            
            
                                    
            
            
                | 143 |  |  | 	 * Get the authentication string (user:pass) | 
            
                                                                        
                            
            
                                    
            
            
                | 144 |  |  | 	 * | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  | 	 * @since 1.6 | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  | 	 * @return string | 
            
                                                                        
                            
            
                                    
            
            
                | 147 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 	public function get_auth_string() { | 
                            
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                | 149 |  |  | 		return $this->user . ':' . $this->pass; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 150 |  |  | 	} | 
            
                                                        
            
                                    
            
            
                | 151 |  |  | } | 
            
                        
This check marks property names that have not been written in camelCase.
In camelCase names are written without any punctuation, the start of each new word being marked by a capital letter. Thus the name database connection string becomes
databaseConnectionString.