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fix(Player): Fix extracting the n-token decipher algorithm (#682)

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* fix(Player): Fix extracting the n-token decipher algorithm

* fix: bump Jinter to v2

---------

Co-authored-by: Luan <luan.lrt4@gmail.com>
This commit is contained in:
absidue
2024-07-10 07:21:39 +02:00
committed by GitHub
parent efa7205723
commit 142a7d0428
4 changed files with 19 additions and 11 deletions
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16
src/core/Player.ts
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@@ -220,12 +220,20 @@ export default class Player {
}
static extractNSigSourceCode(data: string): string {
const sc = `function descramble_nsig(a) { let b=a.split("")${getStringBetweenStrings(data, 'b=a.split("")', '}return b.join("")}')}} return b.join(""); } descramble_nsig(nsig)`;
let sc = getStringBetweenStrings(data, 'b=a.split("")', '}return b.join("")}');
if (!sc)
Log.warn(TAG, 'Failed to extract n-token decipher algorithm');
if (sc)
return `function descramble_nsig(a) { let b=a.split("")${sc}} return b.join(""); } descramble_nsig(nsig)`;
return sc;
sc = getStringBetweenStrings(data, 'b=String.prototype.split.call(a,"")', '}return Array.prototype.join.call(b,"")}');
if (sc)
return `function descramble_nsig(a) { let b=String.prototype.split.call(a, "")${sc}} return Array.prototype.join.call(b, ""); } descramble_nsig(nsig)`;
// We really should throw an error here to avoid errors later, returning a pass-through function for backwards-compatibility
Log.warn(TAG, 'Failed to extract n-token decipher algorithm');
return 'function descramble_nsig(a) { return a; } descramble_nsig(nsig)';
}
get url(): string {

4
src/platform/jsruntime/jinter.ts
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@@ -7,13 +7,13 @@ const TAG = 'JsRuntime';
export default function evaluate(code: string, env: Record<string, VMPrimative>) {
Log.debug(TAG, 'Evaluating JavaScript:\n', code);
const runtime = new Jinter(code);
const runtime = new Jinter();
for (const [ key, value ] of Object.entries(env)) {
runtime.scope.set(key, value);
}
const result = runtime.interpret();
const result = runtime.evaluate(code);
Log.debug(TAG, 'Done. Result:', result);