mirror of
https://github.com/denoland/deno.git
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330 lines
9 KiB
TypeScript
330 lines
9 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { BufReader, BufWriter } from "../io/bufio.ts";
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import { assert, assertEquals, assertThrowsAsync } from "../testing/asserts.ts";
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import { runIfMain, test } from "../testing/mod.ts";
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import { TextProtoReader } from "../textproto/mod.ts";
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import * as bytes from "../bytes/mod.ts";
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import {
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acceptable,
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connectWebSocket,
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createSecAccept,
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handshake,
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OpCode,
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readFrame,
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unmask,
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writeFrame,
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createWebSocket
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} from "./mod.ts";
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import { encode, decode } from "../strings/mod.ts";
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type Writer = Deno.Writer;
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type Reader = Deno.Reader;
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type Conn = Deno.Conn;
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const { Buffer } = Deno;
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test(async function wsReadUnmaskedTextFrame(): Promise<void> {
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// unmasked single text frame with payload "Hello"
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const buf = new BufReader(
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new Buffer(new Uint8Array([0x81, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f]))
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);
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const frame = await readFrame(buf);
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assertEquals(frame.opcode, OpCode.TextFrame);
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assertEquals(frame.mask, undefined);
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assertEquals(new Buffer(frame.payload).toString(), "Hello");
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assertEquals(frame.isLastFrame, true);
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});
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test(async function wsReadMaskedTextFrame(): Promise<void> {
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// a masked single text frame with payload "Hello"
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const buf = new BufReader(
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new Buffer(
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new Uint8Array([
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0x81,
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0x85,
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0x37,
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0xfa,
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0x21,
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0x3d,
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0x7f,
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0x9f,
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0x4d,
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0x51,
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0x58
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])
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)
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);
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const frame = await readFrame(buf);
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assertEquals(frame.opcode, OpCode.TextFrame);
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unmask(frame.payload, frame.mask);
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assertEquals(new Buffer(frame.payload).toString(), "Hello");
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assertEquals(frame.isLastFrame, true);
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});
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test(async function wsReadUnmaskedSplitTextFrames(): Promise<void> {
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const buf1 = new BufReader(
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new Buffer(new Uint8Array([0x01, 0x03, 0x48, 0x65, 0x6c]))
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);
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const buf2 = new BufReader(
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new Buffer(new Uint8Array([0x80, 0x02, 0x6c, 0x6f]))
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);
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const [f1, f2] = await Promise.all([readFrame(buf1), readFrame(buf2)]);
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assertEquals(f1.isLastFrame, false);
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assertEquals(f1.mask, undefined);
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assertEquals(f1.opcode, OpCode.TextFrame);
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assertEquals(new Buffer(f1.payload).toString(), "Hel");
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assertEquals(f2.isLastFrame, true);
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assertEquals(f2.mask, undefined);
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assertEquals(f2.opcode, OpCode.Continue);
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assertEquals(new Buffer(f2.payload).toString(), "lo");
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});
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test(async function wsReadUnmaskedPingPongFrame(): Promise<void> {
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// unmasked ping with payload "Hello"
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const buf = new BufReader(
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new Buffer(new Uint8Array([0x89, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f]))
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);
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const ping = await readFrame(buf);
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assertEquals(ping.opcode, OpCode.Ping);
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assertEquals(new Buffer(ping.payload).toString(), "Hello");
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const buf2 = new BufReader(
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new Buffer(
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new Uint8Array([
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0x8a,
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0x85,
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0x37,
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0xfa,
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0x21,
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0x3d,
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0x7f,
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0x9f,
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0x4d,
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0x51,
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0x58
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])
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)
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);
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const pong = await readFrame(buf2);
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assertEquals(pong.opcode, OpCode.Pong);
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assert(pong.mask !== undefined);
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unmask(pong.payload, pong.mask);
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assertEquals(new Buffer(pong.payload).toString(), "Hello");
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});
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test(async function wsReadUnmaskedBigBinaryFrame(): Promise<void> {
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const payloadLength = 0x100;
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const a = [0x82, 0x7e, 0x01, 0x00];
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for (let i = 0; i < payloadLength; i++) {
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a.push(i);
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}
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const buf = new BufReader(new Buffer(new Uint8Array(a)));
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const bin = await readFrame(buf);
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assertEquals(bin.opcode, OpCode.BinaryFrame);
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assertEquals(bin.isLastFrame, true);
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assertEquals(bin.mask, undefined);
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assertEquals(bin.payload.length, payloadLength);
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});
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test(async function wsReadUnmaskedBigBigBinaryFrame(): Promise<void> {
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const payloadLength = 0x10000;
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const a = [0x82, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00];
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for (let i = 0; i < payloadLength; i++) {
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a.push(i);
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}
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const buf = new BufReader(new Buffer(new Uint8Array(a)));
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const bin = await readFrame(buf);
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assertEquals(bin.opcode, OpCode.BinaryFrame);
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assertEquals(bin.isLastFrame, true);
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assertEquals(bin.mask, undefined);
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assertEquals(bin.payload.length, payloadLength);
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});
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test(async function wsCreateSecAccept(): Promise<void> {
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const nonce = "dGhlIHNhbXBsZSBub25jZQ==";
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const d = createSecAccept(nonce);
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assertEquals(d, "s3pPLMBiTxaQ9kYGzzhZRbK+xOo=");
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});
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test(function wsAcceptable(): void {
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const ret = acceptable({
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headers: new Headers({
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upgrade: "websocket",
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"sec-websocket-key": "aaa"
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})
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});
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assertEquals(ret, true);
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assert(
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acceptable({
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headers: new Headers([
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["connection", "Upgrade"],
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["host", "127.0.0.1:9229"],
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[
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"sec-websocket-extensions",
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"permessage-deflate; client_max_window_bits"
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],
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["sec-websocket-key", "dGhlIHNhbXBsZSBub25jZQ=="],
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["sec-websocket-version", "13"],
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["upgrade", "WebSocket"]
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])
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})
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);
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});
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test(function wsAcceptableInvalid(): void {
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assertEquals(
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acceptable({
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headers: new Headers({ "sec-websocket-key": "aaa" })
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}),
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false
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);
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assertEquals(
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acceptable({
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headers: new Headers({ upgrade: "websocket" })
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}),
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false
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);
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assertEquals(
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acceptable({
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headers: new Headers({ upgrade: "invalid", "sec-websocket-key": "aaa" })
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}),
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false
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);
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assertEquals(
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acceptable({
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headers: new Headers({ upgrade: "websocket", "sec-websocket-ky": "" })
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}),
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false
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);
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});
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test("connectWebSocket should throw invalid scheme of url", async (): Promise<
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void
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> => {
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await assertThrowsAsync(
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async (): Promise<void> => {
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await connectWebSocket("file://hoge/hoge");
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}
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);
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});
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test(async function wsWriteReadMaskedFrame(): Promise<void> {
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const mask = new Uint8Array([0, 1, 2, 3]);
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const msg = "hello";
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const buf = new Buffer();
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const r = new BufReader(buf);
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await writeFrame(
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{
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isLastFrame: true,
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mask,
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opcode: OpCode.TextFrame,
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payload: encode(msg)
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},
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buf
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);
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const frame = await readFrame(r);
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assertEquals(frame.opcode, OpCode.TextFrame);
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assertEquals(frame.isLastFrame, true);
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assertEquals(frame.mask, mask);
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unmask(frame.payload, frame.mask);
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assertEquals(frame.payload, encode(msg));
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});
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test("handshake should not send search when it's empty", async function wsHandshakeWithEmptySearch(): Promise<
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void
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> {
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const writer = new Buffer();
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const reader = new Buffer(encode("HTTP/1.1 400\r\n"));
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await assertThrowsAsync(
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async (): Promise<void> => {
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await handshake(
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new URL("ws://example.com"),
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new Headers(),
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new BufReader(reader),
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new BufWriter(writer)
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);
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}
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);
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const tpReader = new TextProtoReader(new BufReader(writer));
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const statusLine = await tpReader.readLine();
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assertEquals(statusLine, "GET / HTTP/1.1");
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});
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test("handshake should send search correctly", async function wsHandshakeWithSearch(): Promise<
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void
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> {
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const writer = new Buffer();
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const reader = new Buffer(encode("HTTP/1.1 400\r\n"));
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await assertThrowsAsync(
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async (): Promise<void> => {
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await handshake(
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new URL("ws://example.com?a=1"),
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new Headers(),
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new BufReader(reader),
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new BufWriter(writer)
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);
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}
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);
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const tpReader = new TextProtoReader(new BufReader(writer));
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const statusLine = await tpReader.readLine();
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assertEquals(statusLine, "GET /?a=1 HTTP/1.1");
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});
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function dummyConn(r: Reader, w: Writer): Conn {
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return {
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rid: -1,
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closeRead: (): void => {},
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closeWrite: (): void => {},
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read: (x): Promise<number | Deno.EOF> => r.read(x),
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write: (x): Promise<number> => w.write(x),
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close: (): void => {},
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localAddr: { transport: "tcp", hostname: "0.0.0.0", port: 0 },
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remoteAddr: { transport: "tcp", hostname: "0.0.0.0", port: 0 }
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};
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}
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function delayedWriter(ms: number, dest: Writer): Writer {
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return {
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write(p: Uint8Array): Promise<number> {
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return new Promise<number>(resolve => {
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setTimeout(async (): Promise<void> => {
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resolve(await dest.write(p));
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}, ms);
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});
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}
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};
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}
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test("WebSocket.send(), WebSocket.ping() should be exclusive", async (): Promise<
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void
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> => {
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const buf = new Buffer();
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const conn = dummyConn(new Buffer(), delayedWriter(1, buf));
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const sock = createWebSocket({ conn });
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// Ensure send call
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await Promise.all([
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sock.send("first"),
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sock.send("second"),
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sock.ping(),
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sock.send(new Uint8Array([3]))
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]);
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const bufr = new BufReader(buf);
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const first = await readFrame(bufr);
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const second = await readFrame(bufr);
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const ping = await readFrame(bufr);
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const third = await readFrame(bufr);
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assertEquals(first.opcode, OpCode.TextFrame);
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assertEquals(decode(first.payload), "first");
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assertEquals(first.opcode, OpCode.TextFrame);
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assertEquals(decode(second.payload), "second");
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assertEquals(ping.opcode, OpCode.Ping);
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assertEquals(third.opcode, OpCode.BinaryFrame);
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assertEquals(bytes.equal(third.payload, new Uint8Array([3])), true);
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});
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runIfMain(import.meta);
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