Telegram Web K with changes to work inside I2P https://web.telegram.i2p/
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//import { bytesFromHex, addPadding } from "../../bin_utils";
import { Codec } from "./codec";
class AbridgedPacketCodec implements Codec {
public tag = 0xef;
public obfuscateTag = new Uint8Array([this.tag, this.tag, this.tag, this.tag]);
public encodePacket(data: Uint8Array) {
let len = data.byteLength >> 2;
let header: Uint8Array;
if(len < 127) {
header = new Uint8Array([len]);
} else { // Length: payload length, divided by four, and encoded as 3 length bytes (little endian)
//header = new Uint8Array([0x7f, ...addPadding(bytesFromHex(len.toString(16)).reverse(), 3, true)/* .reverse() */]);
header = new Uint8Array([0x7f, len & 0xFF, (len >> 8) & 0xFF, (len >> 16) & 0xFF]);
//console.log('got nobody cause im braindead', header, len);
}
return header.concat(data);
//return new Uint8Array([...header, ...data]);
}
public readPacket(data: Uint8Array) {
let length = data[0];
if(length >= 127) { // 0x7f
length = data[1] | (data[2] << 8) | (data[3] << 16);
return data.slice(4, length << 2 + 1); // need +1
}
return data.slice(1, length << 2 + 1); // need +1
}
}
export default new AbridgedPacketCodec();