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