| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * This file is part of the ZBateson\MailMimeParser project. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @license http://opensource.org/licenses/bsd-license.php BSD | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | namespace ZBateson\MailMimeParser\Parser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use ZBateson\MailMimeParser\Message\PartHeaderContainer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * Reads headers from an input stream, adding them to a PartHeaderContainer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @author Zaahid Bateson | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | class HeaderParser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * Ensures the header isn't empty and contains a colon separator character, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * then splits it and adds it to the passed PartHeaderContainer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * @param string $header the header line | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @param PartHeaderContainer $headerContainer the container | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 25 | 115 |  |     private function addRawHeaderToPart($header, PartHeaderContainer $headerContainer) | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 27 | 115 |  |         if ($header !== '' && strpos($header, ':') !== false) { | 
            
                                                                        
                            
            
                                    
            
            
                | 28 | 113 |  |             $a = explode(':', $header, 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 29 | 113 |  |             $headerContainer->add($a[0], trim($a[1])); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 115 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * Reads header lines up to an empty line, adding them to the passed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * PartHeaderContainer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @param resource $handle The resource handle to read from. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @param PartHeaderContainer $container the container to add headers to. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 115 |  |     public function parse($handle, PartHeaderContainer $container) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 115 |  |         $header = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         do { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 115 |  |             $line = MessageParser::readLine($handle); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 115 |  |             if ($line === false || $line === '' || $line[0] !== "\t" && $line[0] !== ' ') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 115 |  |                 $this->addRawHeaderToPart($header, $container); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 115 |  |                 $header = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 96 |  |                 $line = "\r\n" . $line; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 115 |  |             $header .= rtrim($line, "\r\n"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 115 |  |         } while ($header !== ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 115 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 54 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 55 |  |  |  |