git.m6w6.name Git - pharext/pharext/blob - src/pharext/Task/PaxFixup.php

   1 <?php
   2
   3 namespace pharext\Task;
   4
   5 use pharext\Exception;
   6 use pharext\Task;
   7 use pharext\Tempfile;
   8
   9 class PaxFixup implements Task
  10 {
  11         private $source;
  12
  13         public function __construct($source) {
  14                 $this->source = $source;
  15         }
  16
  17         private function openArchive($source) {
  18                 $hdr = file_get_contents($source, false, null, 0, 3);
  19                 if ($hdr === "\x1f\x8b\x08") {
  20                         $fd = fopen("compress.zlib://$source", "r");
  21                 } elseif ($hdr === "BZh") {
  22                         $fd = fopen("compress.bzip2://$source", "r");
  23                 } else {
  24                         $fd = fopen($source, "r");
  25                 }
  26                 if (!is_resource($fd)) {
  27                         throw new Exception;
  28                 }
  29                 return $fd;
  30         }
  31
  32         public function run($verbose = false) {
  33                 if ($verbose !== false) {
  34                         printf("Fixing up a tarball with global pax header ...\n");
  35                 }
  36                 $temp = new Tempfile("paxfix");
  37                 stream_copy_to_stream($this->openArchive($this->source),
  38                         $temp->getStream(), -1, 1024);
  39                 $temp->closeStream();
  40                 return (new Extract((string) $temp))->run($verbose);
  41         }
  42 }