GithubFollow/Surge_by_SukkaW
1
0
Fork 0
mirror of https://github.com/SukkaW/Surge.git synced 2025-12-14 02:00:37 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Perf: avoid copying memory when decoding telegrm config

Browse Source
This commit is contained in:
SukkaW 2025-10-19 01:27:35 +08:00
parent 4edcecc1b6
commit 6b0e600ac7
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Build/lib/get-telegram-backup-ip.ts
View File

@ -25,7 +25,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
} }
// 2. Filter to base64 and check length // 2. Filter to base64 and check length
// Not needed with Buffer.from // Not needed with base64ToUint8Array, it has built-in base64-able checking
// 3. Decode base64 to Buffer // 3. Decode base64 to Buffer
const decoded = base64ToUint8Array(base64); const decoded = base64ToUint8Array(base64);
@ -76,7 +76,7 @@ export function getTelegramBackupIPFromBase64(base64: string) {
throw new Error('SHA256 hash mismatch'); throw new Error('SHA256 hash mismatch');
} }
const parser = new TgExtensions.BinaryReader(Buffer.from(decryptedCbc)); const parser = new TgExtensions.BinaryReader(Buffer.from(decryptedCbc.buffer, decryptedCbc.byteOffset, decryptedCbc.byteLength));
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}`);
@ -88,7 +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(Buffer.from(payload))); const configSimple = Api.help.ConfigSimple.fromReader(new TgExtensions.BinaryReader(Buffer.from(payload.buffer, payload.byteOffset, payload.byteLength)));
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) {