aleph1.co.uk Git - yaffs-website/blob - vendor/alchemy/zippy/src/Adapter/VersionProbe/ZipVersionProbe.php

   1 <?php
   2
   3 /*
   4  * This file is part of Zippy.
   5  *
   6  * (c) Alchemy <info@alchemy.fr>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  *
  11  */
  12
  13 namespace Alchemy\Zippy\Adapter\VersionProbe;
  14
  15 use Alchemy\Zippy\ProcessBuilder\ProcessBuilderFactoryInterface;
  16
  17 class ZipVersionProbe implements VersionProbeInterface
  18 {
  19     private $isSupported;
  20     private $inflator;
  21     private $deflator;
  22
  23     public function __construct(ProcessBuilderFactoryInterface $inflator, ProcessBuilderFactoryInterface $deflator)
  24     {
  25         $this->inflator = $inflator;
  26         $this->deflator = $deflator;
  27     }
  28
  29     /**
  30      * Set the inflator to zip
  31      *
  32      * @param  ProcessBuilderFactoryInterface $inflator
  33      * @return ZipVersionProbe
  34      */
  35     public function setInflator(ProcessBuilderFactoryInterface $inflator)
  36     {
  37         $this->inflator = $inflator;
  38
  39         return $this;
  40     }
  41
  42     /**
  43      * Set the deflator to unzip
  44      *
  45      * @param  ProcessBuilderFactoryInterface $deflator
  46      * @return ZipVersionProbe
  47      */
  48     public function setDeflator(ProcessBuilderFactoryInterface $deflator)
  49     {
  50         $this->deflator = $deflator;
  51
  52         return $this;
  53     }
  54
  55     /**
  56      * {@inheritdoc}
  57      */
  58     public function getStatus()
  59     {
  60         if (null !== $this->isSupported) {
  61             return $this->isSupported;
  62         }
  63
  64         if (null === $this->inflator || null === $this->deflator) {
  65             return $this->isSupported = VersionProbeInterface::PROBE_NOTSUPPORTED;
  66         }
  67
  68         $processDeflate = $this
  69             ->deflator
  70             ->create()
  71             ->add('-h')
  72             ->getProcess();
  73
  74         $processDeflate->run();
  75
  76         $processInflate = $this
  77             ->inflator
  78             ->create()
  79             ->add('-h')
  80             ->getProcess();
  81
  82         $processInflate->run();
  83
  84         if (false === $processDeflate->isSuccessful() || false === $processInflate->isSuccessful()) {
  85             return $this->isSupported = VersionProbeInterface::PROBE_NOTSUPPORTED;
  86         }
  87
  88         $lines = explode("\n", $processInflate->getOutput(), 2);
  89         $inflatorOk = false !== stripos($lines[0], 'Info-ZIP');
  90
  91         $lines = explode("\n", $processDeflate->getOutput(), 2);
  92         $deflatorOk = false !== stripos($lines[0], 'Info-ZIP');
  93
  94         return $this->isSupported = ($inflatorOk && $deflatorOk) ? VersionProbeInterface::PROBE_OK : VersionProbeInterface::PROBE_NOTSUPPORTED;
  95     }
  96 }