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rcombs/index.js

Created September 6, 2013 20:03
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index.js
var backwardsStream = require('fs-backwards-stream'),
fs = require("fs")
var CRC_TABLE = new Uint32Array([
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
0x2d02ef8d
]),
REVERSE_CRC_TABLE = Uint32Array([
0x00000000, 0xdb710641, 0x6d930ac3, 0xb6e20c82, 0xdb261586,
0x005713c7, 0xb6b51f45, 0x6dc41904, 0x6d3d2d4d, 0xb64c2b0c,
0x00ae278e, 0xdbdf21cf, 0xb61b38cb, 0x6d6a3e8a, 0xdb883208,
0x00f93449, 0xda7a5a9a, 0x010b5cdb, 0xb7e95059, 0x6c985618,
0x015c4f1c, 0xda2d495d, 0x6ccf45df, 0xb7be439e, 0xb74777d7,
0x6c367196, 0xdad47d14, 0x01a57b55, 0x6c616251, 0xb7106410,
0x01f26892, 0xda836ed3, 0x6f85b375, 0xb4f4b534, 0x0216b9b6,
0xd967bff7, 0xb4a3a6f3, 0x6fd2a0b2, 0xd930ac30, 0x0241aa71,
0x02b89e38, 0xd9c99879, 0x6f2b94fb, 0xb45a92ba, 0xd99e8bbe,
0x02ef8dff, 0xb40d817d, 0x6f7c873c, 0xb5ffe9ef, 0x6e8eefae,
0xd86ce32c, 0x031de56d, 0x6ed9fc69, 0xb5a8fa28, 0x034af6aa,
0xd83bf0eb, 0xd8c2c4a2, 0x03b3c2e3, 0xb551ce61, 0x6e20c820,
0x03e4d124, 0xd895d765, 0x6e77dbe7, 0xb506dda6, 0xdf0b66ea,
0x047a60ab, 0xb2986c29, 0x69e96a68, 0x042d736c, 0xdf5c752d,
0x69be79af, 0xb2cf7fee, 0xb2364ba7, 0x69474de6, 0xdfa54164,
0x04d44725, 0x69105e21, 0xb2615860, 0x048354e2, 0xdff252a3,
0x05713c70, 0xde003a31, 0x68e236b3, 0xb39330f2, 0xde5729f6,
0x05262fb7, 0xb3c42335, 0x68b52574, 0x684c113d, 0xb33d177c,
0x05df1bfe, 0xdeae1dbf, 0xb36a04bb, 0x681b02fa, 0xdef90e78,
0x05880839, 0xb08ed59f, 0x6bffd3de, 0xdd1ddf5c, 0x066cd91d,
0x6ba8c019, 0xb0d9c658, 0x063bcada, 0xdd4acc9b, 0xddb3f8d2,
0x06c2fe93, 0xb020f211, 0x6b51f450, 0x0695ed54, 0xdde4eb15,
0x6b06e797, 0xb077e1d6, 0x6af48f05, 0xb1858944, 0x076785c6,
0xdc168387, 0xb1d29a83, 0x6aa39cc2, 0xdc419040, 0x07309601,
0x07c9a248, 0xdcb8a409, 0x6a5aa88b, 0xb12baeca, 0xdcefb7ce,
0x079eb18f, 0xb17cbd0d, 0x6a0dbb4c, 0x6567cb95, 0xbe16cdd4,
0x08f4c156, 0xd385c717, 0xbe41de13, 0x6530d852, 0xd3d2d4d0,
0x08a3d291, 0x085ae6d8, 0xd32be099, 0x65c9ec1b, 0xbeb8ea5a,
0xd37cf35e, 0x080df51f, 0xbeeff99d, 0x659effdc, 0xbf1d910f,
0x646c974e, 0xd28e9bcc, 0x09ff9d8d, 0x643b8489, 0xbf4a82c8,
0x09a88e4a, 0xd2d9880b, 0xd220bc42, 0x0951ba03, 0xbfb3b681,
0x64c2b0c0, 0x0906a9c4, 0xd277af85, 0x6495a307, 0xbfe4a546,
0x0ae278e0, 0xd1937ea1, 0x67717223, 0xbc007462, 0xd1c46d66,
0x0ab56b27, 0xbc5767a5, 0x672661e4, 0x67df55ad, 0xbcae53ec,
0x0a4c5f6e, 0xd13d592f, 0xbcf9402b, 0x6788466a, 0xd16a4ae8,
0x0a1b4ca9, 0xd098227a, 0x0be9243b, 0xbd0b28b9, 0x667a2ef8,
0x0bbe37fc, 0xd0cf31bd, 0x662d3d3f, 0xbd5c3b7e, 0xbda50f37,
0x66d40976, 0xd03605f4, 0x0b4703b5, 0x66831ab1, 0xbdf21cf0,
0x0b101072, 0xd0611633, 0xba6cad7f, 0x611dab3e, 0xd7ffa7bc,
0x0c8ea1fd, 0x614ab8f9, 0xba3bbeb8, 0x0cd9b23a, 0xd7a8b47b,
0xd7518032, 0x0c208673, 0xbac28af1, 0x61b38cb0, 0x0c7795b4,
0xd70693f5, 0x61e49f77, 0xba959936, 0x6016f7e5, 0xbb67f1a4,
0x0d85fd26, 0xd6f4fb67, 0xbb30e263, 0x6041e422, 0xd6a3e8a0,
0x0dd2eee1, 0x0d2bdaa8, 0xd65adce9, 0x60b8d06b, 0xbbc9d62a,
0xd60dcf2e, 0x0d7cc96f, 0xbb9ec5ed, 0x60efc3ac, 0xd5e91e0a,
0x0e98184b, 0xb87a14c9, 0x630b1288, 0x0ecf0b8c, 0xd5be0dcd,
0x635c014f, 0xb82d070e, 0xb8d43347, 0x63a53506, 0xd5473984,
0x0e363fc5, 0x63f226c1, 0xb8832080, 0x0e612c02, 0xd5102a43,
0x0f934490, 0xd4e242d1, 0x62004e53, 0xb9714812, 0xd4b55116,
0x0fc45757, 0xb9265bd5, 0x62575d94, 0x62ae69dd, 0xb9df6f9c,
0x0f3d631e, 0xd44c655f, 0xb9887c5b, 0x62f97a1a, 0xd41b7698,
0x0f6a70d9]);
// CRCPOLY = 0x04C11DB7
var exports = module.exports = function(poly, initxor, finalxor, crcinv){
if(poly === undefined){
poly = 0xEDB88320;
}
if(initxor === undefined){
initxor = 0xFFFFFFFF;
}
if(finalxor === undefined){
finalxor = 0xFFFFFFFF;
}
if(crcinv === undefined){
crcinv = 0x5B358FD3;
}
this.INITXOR = initxor;
this.FINALXOR = finalxor;
this.CRCINV = crcinv;
if(poly == 0xEDB88320){
this.CRCPOLY = 0xEDB88320;
this.CRC_TABLE = CRC_TABLE;
this.REVERSE_CRC_TABLE = REVERSE_CRC_TABLE;
}else{
this.setPoly(poly);
}
}
exports.prototype = {
sum: function(data){
var crcreg = this.INITXOR;
data = new Buffer(data);
for(var i = 0; i < data.length; i++){
crcreg = ((crcreg >>> 8) ^ this.CRC_TABLE[(((crcreg ^ data[i]) >>> 0) & 0xFF)]) >>> 0;
}
return (crcreg ^ this.FINALXOR) >>> 0;
},
sumFile: function(file, cb, start, end){
var crcreg = this.INITXOR;
var readStream = fs.createReadStream(file, {
start: start,
end: end
});
var self = this;
readStream.on("data", function(data){
for(var i = 0; i < data.length; i++){
crcreg = ((crcreg >>> 8) ^ self.CRC_TABLE[(((crcreg ^ data[i]) >>> 0) & 0xFF)]) >>> 0;
}
});
readStream.on("end", function(){
cb((crcreg ^ self.FINALXOR) >>> 0);
});
},
magic: function(data){
data = new Buffer(data);
var crcreg = this.sum(data.slice(0, data.length - 4));
for(var i = 0; i < 4; i++){
data[data.length - 4 + i] = (crcreg >>> (i * 8)) & 0xFF;
}
return data;
},
setAtEnd: function(buffer, tcrcreg){
tcrcreg = ~~tcrcreg ^ -1;
var buffer = new Buffer(buffer);
var crcreg = this.sum(buffer.slice(0, buffer.length - 4));
var new_content = 0;
for(var i = 0; i < 32; ++i){
if(new_content & 1){
new_content = ((new_content >>> 1) ^ this.CRCPOLY) >>> 0;
}else{
new_content >>>= 1;
}
if(tcrcreg & 1){
new_content = (new_content ^ this.CRCINV) >>> 0;
}
tcrcreg >>>= 1;
}
new_content ^= crcreg ^ -1;
for(var i = 0; i < 4; ++i){
buffer[buffer.length - 4 + i] = (new_content >>> i*8) & 0xFF;
}
return buffer;
},
setAtPosition: function(buffer, tcrcreg, fix_pos){
// var buffer = new Buffer(buffer);
fix_pos = ((fix_pos % buffer.length) + buffer.length) % buffer.length;
var crcreg = this.sum(buffer.slice(0, fix_pos));
for(var i = 0; i < 4; i++){
buffer[fix_pos + i] = (crcreg >>> (i * 8)) & 0xFF;
}
tcrcreg = tcrcreg ^ -1;
for(var i = buffer.length - 1; i >= fix_pos; --i) {
tcrcreg = (tcrcreg << 8) ^ this.REVERSE_CRC_TABLE[tcrcreg >>> (3*8)] ^ buffer[i];
}
tcrcreg = tcrcreg ^ -1;
for(var i = 0; i < 4; i++){
buffer[fix_pos + i] = (tcrcreg >>> (i*8)) & 0xFF;
}
return buffer;
},
setFileAtPosition: function(file, tcrcreg, fix_pos, cb){
var size = fs.statSync(file).size;
fix_pos = ((fix_pos % size) + size) % size;
var self = this;
this.sumFile(file, function(crcreg){
var pos_buf = new Buffer(4);
for(var i = 0; i < 4; i++){
pos_buf[i] = (crcreg >>> (i * 8)) & 0xFF;
}
tcrcreg = tcrcreg ^ -1;
var s = backwardsStream(file, {
end: fix_pos + 4,
start: size - 1
});
s.on("data", function(data){
for(var i = data.length - 1; i >= 0; --i){
tcrcreg = (tcrcreg << 8) ^ self.REVERSE_CRC_TABLE[tcrcreg >>> (3*8)] ^ data[i];
}
});
s.on("end", function(){
for(var i = 3; i >= 0; --i){
tcrcreg = (tcrcreg << 8) ^ self.REVERSE_CRC_TABLE[tcrcreg >>> (3*8)] ^ pos_buf[i];
}
tcrcreg = tcrcreg ^ -1;
var outbuf = new Buffer(4);
for(var i = 0; i < 4; i++){
outbuf[i] = (tcrcreg >>> (i*8)) & 0xFF;
}
// var fd = fs.openSync(file, "r+");
// fs.writeSync(fd, outbuf, 0, 4, fix_pos);
cb(outbuf);
});
}, 0, fix_pos - 1);
},
generateTable: function(poly){
var c, n, k;
this.CRC_TABLE = new Uint32Array(256);
for(n = 0; n < 256; n++){
c = n;
for(k = 0; k < 8; k++){
if((c & 1) != 0){
c = (poly ^ (c >>> 1)) >>> 0;
}else{
c = c >>> 1;
}
}
this.CRC_TABLE[n] = c;
}
return this.CRC_TABLE;
},
generateReverseTable: function(poly){
this.REVERSE_CRC_TABLE = new Uint32Array(256);
var c, n, k;
for(n = 0; n < 256; n++){
c = n << (3 * 8);
for(k = 0; k < 8; k++){
if((c & 0x80000000) != 0) {
c = ((((c ^ poly) >>> 0) << 1) | 1) >>> 0;
}else{
c <<= 1;
}
}
this.REVERSE_CRC_TABLE[n] = c;
}
return this.REVERSE_CRC_TABLE;
},
setPoly: function(poly){
this.CRCPOLY = poly;
this.generateTable(poly);
this.generateReverseTable(poly);
}
}
Raw
make_crc
#! /usr/bin/env node
var uncrc32 = require("./index.js"),
fs = require("fs");
require("bufferjs");
var crc = new uncrc32();
var fd = fs.openSync(process.argv[2], "r+");
var data = new Buffer(1024 * 1024)
fs.readSync(fd, data, 0, 1024 * 1024, 0);
console.log("DATA LOADED; LENGTH: " + data.length);
var offset = data.indexOf(new Buffer(process.argv[4], "hex"));
console.log("OFFSET: " + offset);
if(offset == -1){
process.exit();
}
crc.setFileAtPosition(process.argv[2], parseInt(process.argv[3], 16), offset, function(out){
console.log("CRC GOT: " + out.toString("hex"));
//process.exit();
fs.writeSync(fd, out, 0, 4, offset);
//fs.writeFileSync(process.argv[2], data);
console.log("FILE WRITTEN");
});
Raw
makeit
#! /bin/bash
#echo $1 $2 $3
#exit 0
mkvextract tracks \[CMS\]\ The\ World\ God\ Only\ Knows\ $1\ \[BD\]\[1080p-FLAC\]\[*\].mkv 2:/dev/stderr 3>&1 1>&2 2>&3 3>&- | grep -v ",Default," > $1.out.ass
"mkvmerge" -o "/mnt/user/torrents/download/The World God Only Knows/The World God Only Knows $1 [BD][1080p-FLAC-AC3][CMS][Exiled-Destiny][11rcombs][FF0101$1].mkv" \
"--language" "0:jpn" "--track-name" "0:H.264 - 1080p (CMS)" "--default-track" "0:yes" "--forced-track" "0:no" "--display-dimensions" "0:1920x1080" \
"--language" "1:jpn" "--track-name" "1:2.0 FLAC (CMS)" "--default-track" "1:yes" "--forced-track" "1:no" \
"--language" "2:eng" "--track-name" "2:ASS Dialogue (CMS)" "--default-track" "2:yes" "--forced-track" "2:no" \
"--chapter-language" "eng" "-a" "1" "-d" "0" "-s" "2" \
"--attachments" "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18" "-T" "--no-global-tags" \
"(" /mnt/user/torrents/download/\[CMS\]\ The\ World\ God\ Only\ Knows\ \[BD\]\[1080p-FLAC\]/\[CMS\]\ The\ World\ God\ Only\ Knows\ $1\ \[BD\]\[1080p-FLAC\]\[*\].mkv ")" \
"--language" "1:eng" "--sync" "1:$2" "--track-name" "1:2.0 AC3 (Exiled-Destiny)" "--default-track" "1:no" "--forced-track" "1:no" \
"--language" "3:eng" "--sync" "3:$2" "--track-name" "3:SRT Signs/Songs (Exiled-Destiny)" "--default-track" "3:no" "--forced-track" "3:no" \
"--language" "4:eng" "--sync" "4:$2" "--track-name" "4:SRT Dialogue (Exiled-Destiny)" "--default-track" "4:no" "--forced-track" "4:no" \
"--language" "5:eng" "--sync" "5:$2" "--track-name" "5:VOBSUB Signs/Songs (DVD)" "--default-track" "5:no" "--forced-track" "5:no" \
"--language" "6:eng" "--sync" "6:$2" "--track-name" "6:VOBSUB Dialogue (DVD)" "--default-track" "6:no" "--forced-track" "6:no" \
"-a" "1" "-s" "3,4,5,6" "-D" "-T" "--no-global-tags" "--no-chapters" \
"(" /mnt/user/torrents/download/\[Exiled-Destiny\]\ The\ World\ God\ Only\ Knows/\[Exiled-Destiny\]_The_World_God_Only_Knows_Ep$1_*.mkv ")" \
"--language" "0:eng" "--track-name" "0:ASS Signs/Songs (CMS/11rcombs)" "--default-track" "0:no" "--forced-track" "0:yes" \
"-s" "0" "-D" "-A" "-T" "--no-global-tags" "--no-chapters" \
"(" "/mnt/user/torrents/download/[CMS] The World God Only Knows [BD][1080p-FLAC]/$1.out.ass" ")" \
"--track-order" "0:0,0:1,1:1,0:2,2:0,1:4,1:3,1:6,1:5" \
"--title" "The World God Only Knows - $3" \
"--segment-uid" "0000000000000000000000004352434f"
./make_crc "/mnt/user/torrents/download/The World God Only Knows/The World God Only Knows $1 [BD][1080p-FLAC-AC3][CMS][Exiled-Destiny][11rcombs][FF0101$1].mkv" "FF0101$1", "0000000000000000000000004352434f"
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