claunia/cuetools.net
1
0
Fork 0
mirror of https://github.com/claunia/cuetools.net.git synced 2025-12-16 18:14:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

CD parity information database

Browse Source
This commit is contained in:
chudov
2010-02-23 15:15:08 +00:00
parent b613227ada
commit 5b9b266de5
45 changed files with 2017 additions and 793 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
CUETools.CTDB/UploadHelper/uploader.php
View File

@@ -43,6 +43,61 @@ function filesize_h($size, $dec = 1)
return round($size, $dec) . ' ' . $sizes[$i];
}
function BigEndian2Int($byte_word, $signed = false) {
$int_value = 0;
$byte_wordlen = strlen($byte_word);
for ($i = 0; $i < $byte_wordlen; $i++) {
$int_value += ord($byte_word{$i}) * pow(256, ($byte_wordlen - 1 - $i));
}
if ($signed) {
$sign_mask_bit = 0x80 << (8 * ($byte_wordlen - 1));
if ($int_value & $sign_mask_bit) {
$int_value = 0 - ($int_value & ($sign_mask_bit - 1));
}
}
return $int_value;
}
function get_chunk_offset($fp, $offset, $filelen, $names, $namepos)
{
// echo $offset, ":", $filelen, ":", $names, ":", $namepos, ":", count($names), "<br>";
if ($namepos >= count($names))
return $offset;
while ($offset < $filelen) {
fseek($fp, $offset, SEEK_SET);
$atom_header = fread($fp, 8);
$atom_size = BigEndian2Int(substr($atom_header, 0, 4));
$atom_name = substr($atom_header, 4, 4);
// echo $atom_size, ":", $atom_name, ":", $names[$namepos], '<br>';
if ($names[$namepos] == $atom_name)
return get_chunk_offset($fp, $offset + 8, $filelen, $names, $namepos + 1);
$offset += $atom_size;
}
return -1;
}
function chunk_offset($fp, $offset, $filelen, $path)
{
$names = explode(".", $path);
return get_chunk_offset($fp, $offset, $filelen, $names, 0);
}
function read_chunk($fp, $offset, $filelen, $path, $len)
{
$offset = chunk_offset($fp, $offset, $filelen, $path);
if ($offset < 0) return;
fseek($fp, $offset, SEEK_SET);
return fread($fp, $len);
}
function read_int($fp, $offset, $filelen, $path)
{
return BigEndian2Int(read_chunk($fp, $offset, $filelen, $path, 4));
}
$file = $_FILES['uploadedfile'];
@@ -61,17 +116,43 @@ $file = $_FILES['uploadedfile'];
echo "Error ", $file['error'];
}
//if ($_SERVER['HTTP_USER_AGENT'] != "CUETools 205") {
// echo "user agent ", $_SERVER['HTTP_USER_AGENT'], " is not allowed";
// return;
//}
$tmpname = $file['tmp_name'];
$size = (@file_exists($tmpname)) ? filesize($tmpname) : 0;
if ($size == 0) {
echo "no file uploaded";
return;
}
$fp = fopen($tmpname, 'rb');
$head = read_chunk($fp, 0, $size, 'CTDB.HEAD', 20);
$npar = read_int($fp, 0, $size, 'CTDB.DISC.NPAR');
$version = BigEndian2Int(substr($head,0,4));
$disccount = BigEndian2Int(substr($head,4,4));
$total = BigEndian2Int(substr($head,8,4));
printf("npar=%d, disccount=%d, total=%d,", $npar, $disccount, $total);
fclose($fp);
$id = $_POST['id'];
$err = sscanf($id, "%d-%x-%x-%x", $tracks, $id1, $id2, $cddbid);
$target_path = sprintf("parity/%x/%x/%x", $id1 & 15, ($id1 >> 4) & 15, ($id1 >> 8) & 15);
$target_file = sprintf("%s/dBCT-%03d-%08x-%08x-%08x.bin", $target_path, $tracks, $id1, $id2, $cddbid);
$err = sscanf($id, "%03d-%04x%04x-%04x%04x-%04x%04x", $tracks, $id1a, $id1b, $id2a, $id2b, $cddbida, $cddbidb);
$parsedid = sprintf("%03d-%04x%04x-%04x%04x-%04x%04x", $tracks, $id1a, $id1b, $id2a, $id2b, $cddbida, $cddbidb);
if ($id != $parsedid) {
echo "bad id ", $id;
return;
}
$target_path = sprintf("parity/%x/%x/%x", $id1b & 15, ($id1b >> 4) & 15, ($id1b >> 8) & 15);
$target_file = sprintf("%s/dBCT-%s.bin", $target_path, $parsedid);
@mkdir($target_path, 0777, true);
if(move_uploaded_file($file['tmp_name'], $target_file)) {
echo "The file ". $target_file. " has been uploaded";
printf("%s has been uploaded", $parsedid);
} else{
echo "There was an error uploading the file, please try again!";
echo "there was an error uploading the file, please try again!";
}
?>