rebrowser-playwright-core
Version:
A drop-in replacement for playwright-core patched with rebrowser-patches. It allows to pass modern automation detection tests.
237 lines (231 loc) • 8.19 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.HttpServer = void 0;
var _fs = _interopRequireDefault(require("fs"));
var _path = _interopRequireDefault(require("path"));
var _utilsBundle = require("../utilsBundle");
var _debug = require("./debug");
var _network = require("./network");
var _manualPromise = require("./manualPromise");
var _crypto = require("./crypto");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class HttpServer {
constructor() {
this._server = void 0;
this._urlPrefixPrecise = '';
this._urlPrefixHumanReadable = '';
this._port = 0;
this._started = false;
this._routes = [];
this._wsGuid = void 0;
this._server = (0, _network.createHttpServer)(this._onRequest.bind(this));
}
server() {
return this._server;
}
routePrefix(prefix, handler) {
this._routes.push({
prefix,
handler
});
}
routePath(path, handler) {
this._routes.push({
exact: path,
handler
});
}
port() {
return this._port;
}
async _tryStart(port, host) {
const errorPromise = new _manualPromise.ManualPromise();
const errorListener = error => errorPromise.reject(error);
this._server.on('error', errorListener);
try {
this._server.listen(port, host);
await Promise.race([new Promise(cb => this._server.once('listening', cb)), errorPromise]);
} finally {
this._server.removeListener('error', errorListener);
}
}
createWebSocket(transport, guid) {
(0, _debug.assert)(!this._wsGuid, 'can only create one main websocket transport per server');
this._wsGuid = guid || (0, _crypto.createGuid)();
const wss = new _utilsBundle.wsServer({
server: this._server,
path: '/' + this._wsGuid
});
wss.on('connection', ws => {
transport.onconnect();
transport.sendEvent = (method, params) => ws.send(JSON.stringify({
method,
params
}));
transport.close = () => ws.close();
ws.on('message', async message => {
const {
id,
method,
params
} = JSON.parse(String(message));
try {
const result = await transport.dispatch(method, params);
ws.send(JSON.stringify({
id,
result
}));
} catch (e) {
ws.send(JSON.stringify({
id,
error: String(e)
}));
}
});
ws.on('close', () => transport.onclose());
ws.on('error', () => transport.onclose());
});
}
wsGuid() {
return this._wsGuid;
}
async start(options = {}) {
(0, _debug.assert)(!this._started, 'server already started');
this._started = true;
const host = options.host || 'localhost';
if (options.preferredPort) {
try {
await this._tryStart(options.preferredPort, host);
} catch (e) {
if (!e || !e.message || !e.message.includes('EADDRINUSE')) throw e;
await this._tryStart(undefined, host);
}
} else {
await this._tryStart(options.port, host);
}
const address = this._server.address();
(0, _debug.assert)(address, 'Could not bind server socket');
if (typeof address === 'string') {
this._urlPrefixPrecise = address;
this._urlPrefixHumanReadable = address;
} else {
this._port = address.port;
const resolvedHost = address.family === 'IPv4' ? address.address : `[${address.address}]`;
this._urlPrefixPrecise = `http://${resolvedHost}:${address.port}`;
this._urlPrefixHumanReadable = `http://${host}:${address.port}`;
}
}
async stop() {
await new Promise(cb => this._server.close(cb));
}
urlPrefix(purpose) {
return purpose === 'human-readable' ? this._urlPrefixHumanReadable : this._urlPrefixPrecise;
}
serveFile(request, response, absoluteFilePath, headers) {
try {
for (const [name, value] of Object.entries(headers || {})) response.setHeader(name, value);
if (request.headers.range) this._serveRangeFile(request, response, absoluteFilePath);else this._serveFile(response, absoluteFilePath);
return true;
} catch (e) {
return false;
}
}
_serveFile(response, absoluteFilePath) {
const content = _fs.default.readFileSync(absoluteFilePath);
response.statusCode = 200;
const contentType = _utilsBundle.mime.getType(_path.default.extname(absoluteFilePath)) || 'application/octet-stream';
response.setHeader('Content-Type', contentType);
response.setHeader('Content-Length', content.byteLength);
response.end(content);
}
_serveRangeFile(request, response, absoluteFilePath) {
const range = request.headers.range;
if (!range || !range.startsWith('bytes=') || range.includes(', ') || [...range].filter(char => char === '-').length !== 1) {
response.statusCode = 400;
return response.end('Bad request');
}
// Parse the range header: https://datatracker.ietf.org/doc/html/rfc7233#section-2.1
const [startStr, endStr] = range.replace(/bytes=/, '').split('-');
// Both start and end (when passing to fs.createReadStream) and the range header are inclusive and start counting at 0.
let start;
let end;
const size = _fs.default.statSync(absoluteFilePath).size;
if (startStr !== '' && endStr === '') {
// No end specified: use the whole file
start = +startStr;
end = size - 1;
} else if (startStr === '' && endStr !== '') {
// No start specified: calculate start manually
start = size - +endStr;
end = size - 1;
} else {
start = +startStr;
end = +endStr;
}
// Handle unavailable range request
if (Number.isNaN(start) || Number.isNaN(end) || start >= size || end >= size || start > end) {
// Return the 416 Range Not Satisfiable: https://datatracker.ietf.org/doc/html/rfc7233#section-4.4
response.writeHead(416, {
'Content-Range': `bytes */${size}`
});
return response.end();
}
// Sending Partial Content: https://datatracker.ietf.org/doc/html/rfc7233#section-4.1
response.writeHead(206, {
'Content-Range': `bytes ${start}-${end}/${size}`,
'Accept-Ranges': 'bytes',
'Content-Length': end - start + 1,
'Content-Type': _utilsBundle.mime.getType(_path.default.extname(absoluteFilePath))
});
const readable = _fs.default.createReadStream(absoluteFilePath, {
start,
end
});
readable.pipe(response);
}
_onRequest(request, response) {
response.setHeader('Access-Control-Allow-Origin', '*');
response.setHeader('Access-Control-Request-Method', '*');
response.setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET');
if (request.headers.origin) response.setHeader('Access-Control-Allow-Headers', request.headers.origin);
if (request.method === 'OPTIONS') {
response.writeHead(200);
response.end();
return;
}
request.on('error', () => response.end());
try {
if (!request.url) {
response.end();
return;
}
const url = new URL('http://localhost' + request.url);
for (const route of this._routes) {
if (route.exact && url.pathname === route.exact && route.handler(request, response)) return;
if (route.prefix && url.pathname.startsWith(route.prefix) && route.handler(request, response)) return;
}
response.statusCode = 404;
response.end();
} catch (e) {
response.end();
}
}
}
exports.HttpServer = HttpServer;