| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Rvdv\Nntp\Socket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Rvdv\Nntp\Exception\SocketException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @author Robin van der Vleuten <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class Socket implements SocketInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |      * @var resource | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     private $stream; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     public function enableCrypto($enable, $cryptoType = STREAM_CRYPTO_METHOD_TLS_CLIENT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         if (!stream_socket_enable_crypto($this->stream, $enable, $cryptoType)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |             throw new SocketException(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 | 2 |  |     public function connect($address) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 2 |  |         if (!$this->stream = @stream_socket_client($address, $errno, $errstr, 1.0, STREAM_CLIENT_CONNECT)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 1 |  |             throw new SocketException(sprintf('Connection to %s failed: %s', $address, $errstr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 1 |  |         stream_set_blocking($this->stream, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         // Use unbuffered read operations on the underlying stream resource. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         // Reading chunks from the stream may otherwise leave unread bytes in | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         // PHP's stream buffers which some event loop implementations do not | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         // trigger events on (edge triggered). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         // This does not affect the default event loop implementation (level | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         // triggered), so we can ignore platforms not supporting this (HHVM). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 1 |  |         if (function_exists('stream_set_read_buffer')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  |             stream_set_read_buffer($this->stream, 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 55 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 56 | 1 |  |     public function disconnect() | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 58 | 1 |  |         if (!fclose($this->stream)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |             throw new SocketException(); | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 62 | 1 |  |         return $this; | 
            
                                                                        
                            
            
                                    
            
            
                | 63 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 1 |  |     public function eof() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 1 |  |         return feof($this->stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     public function gets($length = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         if (($data = fgets($this->stream, $length)) === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |             throw new SocketException(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         return $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 1 |  |     public function read($length) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 1 |  |         if (($data = fread($this->stream, $length)) === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |             throw new SocketException(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 1 |  |         return $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 1 |  |     public function write($data) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 1 |  |         if (($bytes = fwrite($this->stream, $data)) === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |             throw new SocketException(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 1 |  |         return $bytes; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 108 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 109 |  |  |  |