staylor /
WordPress
| @@ 866-888 (lines=23) @@ | ||
| 863 | public static function compatible_gzinflate($gzData) { |
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| 864 | // Compressed data might contain a full zlib header, if so strip it for |
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| 865 | // gzinflate() |
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| 866 | if (substr($gzData, 0, 3) == "\x1f\x8b\x08") { |
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| 867 | $i = 10; |
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| 868 | $flg = ord(substr($gzData, 3, 1)); |
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| 869 | if ($flg > 0) { |
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| 870 | if ($flg & 4) { |
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| 871 | list($xlen) = unpack('v', substr($gzData, $i, 2)); |
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| 872 | $i = $i + 2 + $xlen; |
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| 873 | } |
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| 874 | if ($flg & 8) { |
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| 875 | $i = strpos($gzData, "\0", $i) + 1; |
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| 876 | } |
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| 877 | if ($flg & 16) { |
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| 878 | $i = strpos($gzData, "\0", $i) + 1; |
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| 879 | } |
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| 880 | if ($flg & 2) { |
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| 881 | $i = $i + 2; |
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| 882 | } |
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| 883 | } |
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| 884 | $decompressed = self::compatible_gzinflate(substr($gzData, $i)); |
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| 885 | if (false !== $decompressed) { |
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| 886 | return $decompressed; |
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| 887 | } |
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| 888 | } |
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| 889 | ||
| 890 | // If the data is Huffman Encoded, we must first strip the leading 2 |
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| 891 | // byte Huffman marker for gzinflate() |
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| @@ 102-120 (lines=19) @@ | ||
| 99 | public static function compatible_gzinflate($gzData) { |
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| 100 | ||
| 101 | // Compressed data might contain a full header, if so strip it for gzinflate(). |
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| 102 | if ( substr($gzData, 0, 3) == "\x1f\x8b\x08" ) { |
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| 103 | $i = 10; |
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| 104 | $flg = ord( substr($gzData, 3, 1) ); |
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| 105 | if ( $flg > 0 ) { |
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| 106 | if ( $flg & 4 ) { |
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| 107 | list($xlen) = unpack('v', substr($gzData, $i, 2) ); |
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| 108 | $i = $i + 2 + $xlen; |
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| 109 | } |
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| 110 | if ( $flg & 8 ) |
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| 111 | $i = strpos($gzData, "\0", $i) + 1; |
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| 112 | if ( $flg & 16 ) |
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| 113 | $i = strpos($gzData, "\0", $i) + 1; |
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| 114 | if ( $flg & 2 ) |
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| 115 | $i = $i + 2; |
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| 116 | } |
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| 117 | $decompressed = @gzinflate( substr($gzData, $i, -8) ); |
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| 118 | if ( false !== $decompressed ) |
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| 119 | return $decompressed; |
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| 120 | } |
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| 121 | ||
| 122 | // Compressed data from java.util.zip.Deflater amongst others. |
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| 123 | $decompressed = @gzinflate( substr($gzData, 2) ); |
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