Services/BannerExtracter.php

   1 <?php
   2
   3 namespace Services;
   4
   5 use ZipArchive;
   6 use finfo;
   7 use Exception;
   8 use Services\IBannerExtracter;
   9 use Services\IConfigManager;
  10 use Domain\Entities\IFileStepByStepBuilder;
  11
  12 //TODO: This class can probably be refactored to be nicer. Also perhaps the methods could be static?
  13 class BannerExtracter implements IBannerExtracter
  14 {
  15     private $_builder;
  16     private $_destinationFileName;
  17     private $_hash;
  18     private $_configManager;
  19
  20     public function __construct(IFileStepByStepBuilder $builder, IConfigManager $configManager) {
  21         $this->_builder = $builder;
  22         $this->_configManager = $configManager;
  23     }
  24
  25     public function extractSongBanner($zipfile, $bannerName) {
  26         $za = new ZipArchive();
  27         //XXX: We assume all files are zips. Should be enforced by validation elsewhere.
  28         $res = $za->open($zipfile);
  29
  30         if($res !== true) throw new Exception ('Could not open zip for reading.');
  31
  32         for($i=0; $i<$za->numFiles; $i++)
  33         {
  34             $stat = $za->statIndex($i);
  35             $type = @exif_imagetype('zip://' . realpath($zipfile) . '#' . $stat['name']);
  36             //Sometimes simfiles specify a video as their banner. Fuck dat.
  37             if(basename($stat['name']) == $bannerName && $type !== false)
  38             {
  39                 $this->_hash = md5_file('zip://' . $zipfile . '#' . $stat['name']);
  40                 $this->_destinationFileName = $this->_hash . '.' . pathinfo($bannerName, PATHINFO_EXTENSION);
  41                 $result = copy('zip://' . $zipfile . '#' . $stat['name'], $this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  42                 break;
  43             }
  44         }
  45
  46         if(!isset($result) || !$result) return null;
  47
  48         $finfo = new finfo(FILEINFO_MIME);
  49         $mimetype = $finfo->file($this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  50         $size = filesize($this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  51         /* @var $fff \Domain\Entities\FileStepByStepBuilder */
  52         return $this->_builder->With_Hash($this->_hash)
  53                               ->With_Path('banners')
  54                               ->With_Filename($bannerName)
  55                               ->With_Mimetype($mimetype)
  56                               ->With_Size($size)
  57                               ->With_UploadDate(time())
  58                               ->build();
  59     }
  60
  61     public function extractPackBanner($zipfile, $packname)
  62     {
  63         $bannerName = '';
  64         $za = new ZipArchive();
  65         //XXX: We assume all files are zips. Should be enforced by validation elsewhere.
  66         $res = $za->open($zipfile);
  67
  68         if($res !== true) throw new Exception ('Could not open zip for reading.');
  69
  70         for($i=0; $i<$za->numFiles; $i++)
  71         {
  72             $stat = $za->statIndex($i);
  73             $type = @exif_imagetype('zip://' . realpath($zipfile) . '#' . $stat['name']);
  74
  75             if($type !== false)
  76             {
  77                 $pathComponents = explode('/',$stat['name']);
  78
  79                 //replace 3spooty with packname variable
  80                 if(count($pathComponents) == 2 && $pathComponents[0] == $packname)
  81                 {
  82                     $this->_hash = md5_file('zip://' . realpath($zipfile) . '#' . $stat['name']);
  83                     $this->_destinationFileName = $this->_hash . '.' . pathinfo($stat['name'], PATHINFO_EXTENSION);
  84                     $bannerName = $pathComponents[1];
  85                     $result = copy('zip://' . realpath($zipfile) . '#' . $stat['name'], $this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  86                     break;
  87                 }
  88             }
  89         }
  90
  91         if(!isset($result) || !$result) return null;
  92
  93         $finfo = new finfo(FILEINFO_MIME);
  94         $mimetype = $finfo->file($this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  95         $size = filesize($this->_configManager->getDirective('filesPath') . '/banners/' . $this->_destinationFileName);
  96         /* @var $fff \Domain\Entities\FileStepByStepBuilder */
  97         return $this->_builder->With_Hash($this->_hash)
  98                               ->With_Path('banners')
  99                               ->With_Filename($bannerName)
 100                               ->With_Mimetype($mimetype)
 101                               ->With_Size($size)
 102                               ->With_UploadDate(time())
 103                               ->build();
 104     }
 105
 106     private function randomFilename($seed)
 107     {
 108         return sha1(mt_rand(1, 9999) . $seed . uniqid() . time());
 109     }
 110 }