| 0,0 → 1,120 |
|---|
| <?php |
| |
| // ViaThinkSoft YouTube Downloader Util 2.3 |
| // Revision: 2022-02-06 |
| // Author: Daniel Marschall <www.daniel-marschall.de> |
| // Licensed under the terms of the Apache 2.0 License |
| |
| function cs_get_checksumfilename($file, $type='sfv') { |
| $dir = dirname($file); |
| $files = preg_grep('/\.'.preg_quote($type,'/').'$/i', glob($dir.'/*')); |
| |
| if (count($files) > 0) { |
| $cs_file = array_pop($files); |
| } else { |
| $cs_file = $dir.'/'.basename(dirname($file)).'.'.$type; |
| } |
| return $cs_file; |
| } |
| |
| function cs_add_automatically($file, $type='sfv') { |
| $cs_file = cs_get_checksumfilename($file, $type); |
| // echo "Checksum file: $cs_file\n"; |
| if (strtolower($type) == 'sfv') { |
| if (file_exists($cs_file)) { |
| $files = sfv_get_files($cs_file); |
| if (in_arrayi(basename($file), $files)) return true; |
| } else { |
| file_put_contents($cs_file, "; Generated by ViaThinkSoft\r\n"); // TODO: BOM |
| $files = array(); |
| } |
| $hash = crc32_file($file); |
| if ($hash === false) { |
| fwrite(STDERR, "Cannot calculate hash of file '$file'\n"); |
| return false; |
| } |
| $crc32 = strtoupper($hash); |
| file_put_contents($cs_file, basename($file)." $crc32\r\n", FILE_APPEND); |
| return true; |
| } |
| else if (strtolower($type) == 'md5') { |
| if (file_exists($cs_file)) { |
| $files = md5_get_files($cs_file); |
| if (in_arrayi(basename($file), $files)) return true; |
| } else { |
| file_put_contents($cs_file, "; Generated by ViaThinkSoft\r\n"); // TODO: BOM |
| $files = array(); |
| } |
| $hash = md5_file($file); |
| if ($hash === false) { |
| fwrite(STDERR, "Cannot calculate hash of file '$file'\n"); |
| return false; |
| } |
| $md5 = strtolower($hash); |
| file_put_contents($cs_file, "$md5 *".basename($file)."\r\n", FILE_APPEND); |
| return true; |
| } |
| else if (strtolower($type) == 'none') { |
| return true; |
| } |
| else { |
| fwrite(STDERR, "Unknown checksum type '$type'. Must be SFV, MD5 or None\n"); |
| return false; |
| } |
| } |
| |
| function md5_get_files($filename) { |
| // Source: https://github.com/danielmarschall/checksum-tools/blob/master/PHP/md5_generate.php |
| $out = array(); |
| $lines = file($filename); |
| foreach ($lines as $line) { |
| $line = str_replace("\xEF\xBB\xBF",'',$line); |
| $line = trim($line); |
| if ($line == '') continue; |
| $line = str_replace('*', ' ', $line); |
| $line = str_replace("\t", ' ', $line); |
| list($checksum, $origname) = explode(' ', $line, 2); |
| $origname = dirname($filename) . '/' . trim($origname); |
| $checksum = trim($checksum); |
| $out[] = $origname; |
| } |
| |
| return $out; |
| } |
| |
| function sfv_get_files($filename) { |
| // Source: https://github.com/danielmarschall/checksum-tools/blob/master/PHP/sfv_generate.php |
| $out = array(); |
| $lines = file($filename); |
| foreach ($lines as $line) { |
| $line = rtrim($line); |
| if ($line == '') continue; |
| if (substr($line,0,1) == ';') continue; |
| $out[] = substr($line, 0, strrpos($line, ' ')); |
| |
| } |
| return $out; |
| } |
| |
| function swapEndianness($hex) { |
| // Source: https://github.com/danielmarschall/checksum-tools/blob/master/PHP/sfv_generate.php |
| return implode('', array_reverse(str_split($hex, 2))); |
| } |
| |
| function crc32_file($filename, $rawOutput = false) { |
| // Source: https://github.com/danielmarschall/checksum-tools/blob/master/PHP/sfv_generate.php |
| $hash = hash_file('crc32b', $filename, true); |
| if ($hash === false) return false; |
| $out = bin2hex($hash); |
| if (hash('crc32b', 'TEST') == 'b893eaee') { |
| // hash_file() in PHP 5.2 has the wrong Endianess! |
| // https://bugs.php.net/bug.php?id=47467 |
| $out = swapEndianness($out); |
| } |
| return $out; |
| } |
| |
| function in_arrayi($needle, $haystack) { |
| // Source: https://www.php.net/manual/en/function.in-array.php#89256 |
| return in_array(strtolower($needle), array_map('strtolower', $haystack)); |
| } |