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move utils code; fix sprintf; implement enc/dec

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DavidVentura
2024-01-24 17:13:34 +01:00
parent f00821f8bd
commit ff684361f4
5 changed files with 289 additions and 112 deletions
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tests/fn.test.js
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import "../shim.js";
import assert from "assert";
import { placeholderTypes, sprintf } from "../utils.js";
import { XqBytesDec, XqBytesEnc } from "../func_replacements.js";
describe("debug_tools", () => {
it("parses printed data", () => {
const fmt = "string: %s, int: %d, float: %f, hexint: %02x, newline: \n\n last int: %d";
const expected_placeholders = ["s", "d", "f", "x", "d"];
const actual_placeholders = placeholderTypes(fmt);
assert.deepEqual(actual_placeholders, expected_placeholders);
});
it("prints data back", () => {
const fmt = "string: %s, int: %d, float: %f, hexint: %02x, newline: \n\n last int: %d";
const in_values = ["potato", 5, 3.5, 0x20, 999];
const expected_string = "string: potato, int: 5, float: 3.5, hexint: 0x20, newline: \n\n last int: 999";
assert.deepEqual(sprintf(fmt, in_values), expected_string);
});
});
describe("module", () => {
const simple_enc_bytes = new Uint8Array([
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
]);
const simple_dec_bytes = new Uint8Array([
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]);
const long_enc_bytes = new Uint8Array([
0x01, 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x43, 0x40, 0x55, 0x42, 0x37, 0x31, 0x38, 0x34, 0x32, 0x30, 0x44, 0x59, 0x4d, 0x57, 0x52, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x30, 0x33, 0x32, 0x35, 0x34,
0x37, 0x36, 0x39, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x31, 0x2f, 0x33, 0x34, 0x34, 0x2f, 0x33, 0x34, 0x34, 0x2f,
0x33, 0x34, 0x34, 0x01, 0x01, 0x01, 0x31, 0x2f, 0x31, 0x2f, 0x31, 0x2f, 0x31, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x31, 0x2f, 0x31, 0x2f, 0x31, 0x2f, 0x31, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x31, 0x2f, 0x31, 0x2f, 0x31, 0x2f, 0x31, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x31, 0x2f, 0x31,
0x2f, 0x31, 0x2f, 0x31, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
]);
const long_dec_bytes = new Uint8Array([
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x42, 0x41, 0x54, 0x43, 0x36, 0x30, 0x39, 0x35, 0x33, 0x31, 0x45, 0x58, 0x4c, 0x56,
0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31,
0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x2e, 0x32, 0x35, 0x35, 0x2e,
0x32, 0x35, 0x35, 0x2e, 0x32, 0x35, 0x35, 0x00, 0x00, 0x00, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]);
it("decrypts simple input", () => {
const in_buf = new DataView(simple_enc_bytes.buffer.slice(0));
XqBytesDec(in_buf, simple_enc_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), simple_dec_bytes);
});
it("decrypts more complex input", () => {
const in_buf = new DataView(long_enc_bytes.buffer.slice(0));
XqBytesDec(in_buf, long_enc_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), long_dec_bytes);
});
it("encrypts simple input", () => {
const in_buf = new DataView(simple_dec_bytes.buffer.slice(0));
XqBytesEnc(in_buf, simple_dec_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), simple_enc_bytes);
});
it("encrypts more complex input", () => {
const in_buf = new DataView(long_dec_bytes.buffer.slice(0));
XqBytesEnc(in_buf, long_dec_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), long_enc_bytes);
});
it("reverts Enc with Dec", () => {
const in_buf = new DataView(long_dec_bytes.buffer.slice(0));
XqBytesEnc(in_buf, long_dec_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), long_enc_bytes); // ENC
XqBytesDec(in_buf, long_dec_bytes.byteLength, 4); // this mutates in_buf
assert.deepEqual(new Uint8Array(in_buf.buffer), long_dec_bytes); //DEC
});
});