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Chore: prefer Uint8Array
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This commit is contained in:
SukkaW 2025-10-03 00:03:45 +08:00
parent e3320766cc
commit 15955c4128
1 changed files with 6 additions and 4 deletions
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10
Build/lib/get-telegram-backup-ip.ts
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@ -5,6 +5,8 @@ import crypto from 'node:crypto';
import { Api, extensions as TgExtensions } from 'telegram'; import { Api, extensions as TgExtensions } from 'telegram';
import { bigint2ip } from 'fast-cidr-tools'; import { bigint2ip } from 'fast-cidr-tools';
import { base64ToUint8Array, concatUint8Arrays } from 'foxts/uint8array-utils';
const mtptoto_public_rsa = `-----BEGIN RSA PUBLIC KEY----- const mtptoto_public_rsa = `-----BEGIN RSA PUBLIC KEY-----
MIIBCgKCAQEAyr+18Rex2ohtVy8sroGP MIIBCgKCAQEAyr+18Rex2ohtVy8sroGP
BwXD3DOoKCSpjDqYoXgCqB7ioln4eDCFfOBUlfXUEvM/fnKCpF46VkAftlb4VuPD BwXD3DOoKCSpjDqYoXgCqB7ioln4eDCFfOBUlfXUEvM/fnKCpF46VkAftlb4VuPD
@ -26,7 +28,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
// Not needed with Buffer.from // Not needed with Buffer.from
// 3. Decode base64 to Buffer // 3. Decode base64 to Buffer
const decoded = Buffer.from(base64, 'base64'); const decoded = base64ToUint8Array(base64);
if (decoded.length !== 256) { if (decoded.length !== 256) {
throw new TypeError('Decoded buffer length is not 344 bytes, received ' + decoded.length); throw new TypeError('Decoded buffer length is not 344 bytes, received ' + decoded.length);
} }
@ -55,7 +57,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
const decipher = crypto.createDecipheriv('aes-256-cbc', key, iv); const decipher = crypto.createDecipheriv('aes-256-cbc', key, iv);
decipher.setAutoPadding(false); decipher.setAutoPadding(false);
const decryptedCbc = Buffer.concat([decipher.update(dataCbc), decipher.final()]); const decryptedCbc = concatUint8Arrays([decipher.update(dataCbc), decipher.final()]);
if (decryptedCbc.length !== 224) { if (decryptedCbc.length !== 224) {
throw new Error(`Decrypted AES payload length is not 224 bytes, received ${decryptedCbc.length}`); throw new Error(`Decrypted AES payload length is not 224 bytes, received ${decryptedCbc.length}`);
@ -74,7 +76,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
throw new Error('SHA256 hash mismatch'); throw new Error('SHA256 hash mismatch');
} }
const parser = new TgExtensions.BinaryReader(decryptedCbc); const parser = new TgExtensions.BinaryReader(Buffer.from(decryptedCbc));
const len = parser.readInt(); const len = parser.readInt();
if (len < 8 || len > 208) throw new Error(`Invalid TL data length: ${len}`); if (len < 8 || len > 208) throw new Error(`Invalid TL data length: ${len}`);
@ -86,7 +88,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
const payload = decryptedCbc.subarray(8, len); const payload = decryptedCbc.subarray(8, len);
const configSimple = Api.help.ConfigSimple.fromReader(new TgExtensions.BinaryReader(payload)); const configSimple = Api.help.ConfigSimple.fromReader(new TgExtensions.BinaryReader(Buffer.from(payload)));
return configSimple.rules.flatMap(rule => rule.ips.map(ip => { return configSimple.rules.flatMap(rule => rule.ips.map(ip => {
switch (ip.CONSTRUCTOR_ID) { switch (ip.CONSTRUCTOR_ID) {