Annotation of embedaddon/php/ext/phar/tests/tar/files/tarmaker.php.inc, revision 1.1
1.1 ! misho 1: <?php
! 2: // stolen from PEAR2_Pyrus_Developer_Creator_Tar by Greg Beaver, the original author, for use in unit tests
! 3: class tarmaker
! 4: {
! 5: /**
! 6: * Path to archive file
! 7: *
! 8: * @var string
! 9: */
! 10: protected $archive;
! 11: /**
! 12: * Temporary stream used for creating the archive
! 13: *
! 14: * @var stream
! 15: */
! 16: protected $tmp;
! 17: protected $path;
! 18: protected $compress;
! 19: function __construct($path, $compress = 'zlib')
! 20: {
! 21: $this->compress = $compress;
! 22: if ($compress === 'bz2' && !function_exists('bzopen')) {
! 23: throw new PEAR2_Pyrus_Developer_Creator_Exception(
! 24: 'bzip2 extension not available');
! 25: }
! 26: if ($compress === 'zlib' && !function_exists('gzopen')) {
! 27: throw new PEAR2_Pyrus_Developer_Creator_Exception(
! 28: 'zlib extension not available');
! 29: }
! 30: $this->path = $path;
! 31: }
! 32:
! 33: /**
! 34: * save a file inside this package
! 35: *
! 36: * This code is modified from Vincent Lascaux's File_Archive
! 37: * package, which is licensed under the LGPL license.
! 38: * @param string relative path within the package
! 39: * @param string|resource file contents or open file handle
! 40: */
! 41: function addFile($path, $fileOrStream, $stat = null)
! 42: {
! 43: clearstatcache();
! 44: if ($stat === null) {
! 45: if (is_resource($fileOrStream)) {
! 46: $stat = fstat($fileOrStream);
! 47: } else {
! 48: $stat = array(
! 49: 'mode' => 0x8000 + 0644,
! 50: 'uid' => 0,
! 51: 'gid' => 0,
! 52: 'size' => strlen($fileOrStream),
! 53: 'mtime' => time(),
! 54: );
! 55: }
! 56: }
! 57:
! 58: $link = null;
! 59: if ($stat['mode'] & 0x4000) {
! 60: $type = 5; // Directory
! 61: } else if ($stat['mode'] & 0x8000) {
! 62: $type = 0; // Regular
! 63: } else if ($stat['mode'] & 0xA000) {
! 64: $type = 1; // Link
! 65: $link = @readlink($current);
! 66: } else {
! 67: $type = 9; // Unknown
! 68: }
! 69:
! 70: $filePrefix = '';
! 71: if (strlen($path) > 255) {
! 72: throw new Exception(
! 73: "$path is too long, must be 255 characters or less"
! 74: );
! 75: } else if (strlen($path) > 100) {
! 76: $filePrefix = substr($path, 0, strlen($path)-100);
! 77: $path = substr($path, -100);
! 78: }
! 79:
! 80: $block = pack('a100a8a8a8a12A12',
! 81: $path,
! 82: decoct($stat['mode']),
! 83: sprintf('%6s ',decoct($stat['uid'])),
! 84: sprintf('%6s ',decoct($stat['gid'])),
! 85: sprintf('%11s ',decoct($stat['size'])),
! 86: sprintf('%11s ',decoct($stat['mtime']))
! 87: );
! 88:
! 89: $blockend = pack('a1a100a6a2a32a32a8a8a155a12',
! 90: $type,
! 91: $link,
! 92: 'ustar',
! 93: '00',
! 94: 'Pyrus',
! 95: 'Pyrus',
! 96: '',
! 97: '',
! 98: $filePrefix,
! 99: '');
! 100:
! 101: $checkheader = array_merge(str_split($block), str_split($blockend));
! 102: if (!function_exists('_pear2tarchecksum')) {
! 103: function _pear2tarchecksum($a, $b) {return $a + ord($b);}
! 104: }
! 105: $checksum = 256; // 8 * ord(' ');
! 106: $checksum += array_reduce($checkheader, '_pear2tarchecksum');
! 107:
! 108: $checksum = pack('a8', sprintf('%6s ', decoct($checksum)));
! 109:
! 110: fwrite($this->tmp, (binary)$block . $checksum . $blockend, 512);
! 111: if (is_resource($fileOrStream)) {
! 112: stream_copy_to_stream($fileOrStream, $this->tmp);
! 113: if ($stat['size'] % 512) {
! 114: fwrite($this->tmp, (binary)str_repeat("\0", 512 - $stat['size'] % 512));
! 115: }
! 116: } else {
! 117: fwrite($this->tmp, (binary)$fileOrStream);
! 118: if (strlen($fileOrStream) % 512) {
! 119: fwrite($this->tmp, (binary)str_repeat("\0", 512 - strlen($fileOrStream) % 512));
! 120: }
! 121: }
! 122: }
! 123:
! 124: /**
! 125: * Initialize the package creator
! 126: */
! 127: function init()
! 128: {
! 129: switch ($this->compress) {
! 130: case 'zlib' :
! 131: $this->tmp = gzopen($this->path, 'wb');
! 132: break;
! 133: case 'bz2' :
! 134: $this->tmp = bzopen($this->path, 'w');
! 135: break;
! 136: case 'none' :
! 137: $this->tmp = fopen($this->path, 'wb');
! 138: break;
! 139: default :
! 140: throw new Exception(
! 141: 'unknown compression type ' . $this->compress);
! 142: }
! 143: }
! 144:
! 145: /**
! 146: * Create an internal directory, creating parent directories as needed
! 147: *
! 148: * @param string $dir
! 149: */
! 150: function mkdir($dir)
! 151: {
! 152: $this->addFile($dir, "", array(
! 153: 'mode' => 0x4000 + 0644,
! 154: 'uid' => 0,
! 155: 'gid' => 0,
! 156: 'size' => 0,
! 157: 'mtime' => time(),
! 158: ));
! 159: }
! 160:
! 161: /**
! 162: * Finish saving the package
! 163: */
! 164: function close()
! 165: {
! 166: fwrite($this->tmp, pack('a1024', ''));
! 167: fclose($this->tmp);
! 168: }
! 169: }
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