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fix(Player): Fix signature algorithm extraction again (#837)

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absidue
2024-12-12 13:30:50 +01:00
committed by GitHub
parent 5f233ae34e
commit 13e796123b
1 changed files with 11 additions and 10 deletions
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21
src/core/Player.ts
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@@ -223,22 +223,23 @@ export default class Player {
return parseInt(getStringBetweenStrings(data, 'signatureTimestamp:', ',') || '0');
}
static extractSigSourceCode(data: string): string {
let calls = getStringBetweenStrings(data, 'function(a){a=a.split("")', 'return a.join("")}');
let var_name = 'a';
static extractSigSourceCode(data: string): string | undefined {
const match = data.match(/function\(([A-Za-z_0-9]+)\)\{([A-Za-z_0-9]+=[A-Za-z_0-9]+\.split\(""\)(.+?)\.join\(""\))\}/);
if (!calls) {
calls = getStringBetweenStrings(data, 'function(J){J=J.split("")', 'return J.join("")}');
var_name = 'J';
if (!match) {
Log.warn(TAG, 'Failed to extract signature decipher algorithm.');
return;
}
const obj_name = calls?.split(/\.|\[/)?.[0]?.replace(';', '')?.trim();
const var_name = match[1];
const obj_name = match[3].split(/\.|\[/)[0]?.replace(';', '').trim();
const functions = getStringBetweenStrings(data, `var ${obj_name}={`, '};');
if (!functions || !calls)
if (!functions || !var_name)
Log.warn(TAG, 'Failed to extract signature decipher algorithm.');
return `function descramble_sig(${var_name}) { ${var_name} = ${var_name}.split(""); let ${obj_name}={${functions}}${calls} return ${var_name}.join("") } descramble_sig(sig);`;
return `function descramble_sig(${var_name}) { let ${obj_name}={${functions}}; ${match[2]} } descramble_sig(sig);`;
}
static extractNSigSourceCode(data: string): string | undefined {
@@ -262,6 +263,6 @@ export default class Player {
}
static get LIBRARY_VERSION(): number {
return 12;
return 13;
}
}