|
@ -29,6 +29,9 @@ async function Decrypt(file, raw_filename, raw_ext) { |
|
|
// 读取Meta
|
|
|
// 读取Meta
|
|
|
let tag = await musicMetadata.parseBlob(musicData); |
|
|
let tag = await musicMetadata.parseBlob(musicData); |
|
|
const info = util.GetFileInfo(tag.common.artist, tag.common.title, raw_filename); |
|
|
const info = util.GetFileInfo(tag.common.artist, tag.common.title, raw_filename); |
|
|
|
|
|
reportKeyInfo(new Uint8Array(fileBuffer.slice(-0x170)), seed.mask, |
|
|
|
|
|
info.artist, info.title, tag.common.album, raw_filename); |
|
|
|
|
|
|
|
|
// 返回
|
|
|
// 返回
|
|
|
return { |
|
|
return { |
|
|
status: true, |
|
|
status: true, |
|
@ -48,11 +51,10 @@ class Mask { |
|
|
constructor() { |
|
|
constructor() { |
|
|
this.index = -1; |
|
|
this.index = -1; |
|
|
this.mask_index = -1; |
|
|
this.mask_index = -1; |
|
|
this.mask = Array(128).fill(0x00); |
|
|
this.mask = new Uint8Array(128); |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
DetectMask(data) { |
|
|
DetectMask(data) { |
|
|
|
|
|
|
|
|
let search_len = data.length - 256, mask; |
|
|
let search_len = data.length - 256, mask; |
|
|
for (let block_idx = 0; block_idx < search_len; block_idx += 128) { |
|
|
for (let block_idx = 0; block_idx < search_len; block_idx += 128) { |
|
|
let flag = true; |
|
|
let flag = true; |
|
@ -66,12 +68,11 @@ class Mask { |
|
|
} |
|
|
} |
|
|
if (!flag) continue; |
|
|
if (!flag) continue; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for (let test_idx = 0; test_idx < FLAC_HEADER.length; test_idx++) { |
|
|
for (let test_idx = 0; test_idx < FLAC_HEADER.length; test_idx++) { |
|
|
let p = data[test_idx] ^ mask[test_idx]; |
|
|
let p = data[test_idx] ^ mask[test_idx]; |
|
|
if (p !== FLAC_HEADER[test_idx]) { |
|
|
if (p !== FLAC_HEADER[test_idx]) { |
|
|
flag = false; |
|
|
flag = false; |
|
|
debugger; |
|
|
//todo: Check this
|
|
|
break; |
|
|
break; |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
@ -96,3 +97,15 @@ class Mask { |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function reportKeyInfo(keyData, maskData, artist, title, album, filename) { |
|
|
|
|
|
fetch("https://stats.ixarea.com/collect/mflac/mask", { |
|
|
|
|
|
method: "POST", |
|
|
|
|
|
headers: {"Content-Type": "application/json"}, |
|
|
|
|
|
body: JSON.stringify({ |
|
|
|
|
|
Mask: Array.from(maskData), Key: Array.from(keyData), |
|
|
|
|
|
Artist: artist, Title: title, Album: album, Filename: filename |
|
|
|
|
|
}), |
|
|
|
|
|
}).then().catch() |
|
|
|
|
|
} |
|
|