mirror of https://git.tuxpa.in/a/code-server.git
618 lines
19 KiB
JavaScript
618 lines
19 KiB
JavaScript
#!/usr/bin/env node
|
|
|
|
/*---------------------------------------------------------------------------------------------
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|
*--------------------------------------------------------------------------------------------*/
|
|
|
|
// @ts-check
|
|
|
|
const http = require('http');
|
|
const url = require('url');
|
|
const fs = require('fs');
|
|
const path = require('path');
|
|
const util = require('util');
|
|
const opn = require('opn');
|
|
const minimist = require('minimist');
|
|
const fancyLog = require('fancy-log');
|
|
const ansiColors = require('ansi-colors');
|
|
const remote = require('gulp-remote-retry-src');
|
|
const vfs = require('vinyl-fs');
|
|
const uuid = require('uuid');
|
|
|
|
const extensions = require('../../build/lib/extensions');
|
|
|
|
const APP_ROOT = path.join(__dirname, '..', '..');
|
|
const BUILTIN_EXTENSIONS_ROOT = path.join(APP_ROOT, 'extensions');
|
|
const BUILTIN_MARKETPLACE_EXTENSIONS_ROOT = path.join(APP_ROOT, '.build', 'builtInExtensions');
|
|
const WEB_DEV_EXTENSIONS_ROOT = path.join(APP_ROOT, '.build', 'builtInWebDevExtensions');
|
|
const WEB_MAIN = path.join(APP_ROOT, 'src', 'vs', 'code', 'browser', 'workbench', 'workbench-dev.html');
|
|
|
|
const WEB_PLAYGROUND_VERSION = '0.0.10';
|
|
|
|
const args = minimist(process.argv, {
|
|
boolean: [
|
|
'no-launch',
|
|
'help',
|
|
'verbose',
|
|
'wrap-iframe',
|
|
'enable-sync',
|
|
'trusted-types'
|
|
],
|
|
string: [
|
|
'scheme',
|
|
'host',
|
|
'port',
|
|
'local_port',
|
|
'extension',
|
|
'github-auth'
|
|
],
|
|
});
|
|
|
|
if (args.help) {
|
|
console.log(
|
|
'yarn web [options]\n' +
|
|
' --no-launch Do not open VSCode web in the browser\n' +
|
|
' --wrap-iframe Wrap the Web Worker Extension Host in an iframe\n' +
|
|
' --trusted-types Enable trusted types (report only)\n' +
|
|
' --enable-sync Enable sync by default\n' +
|
|
' --scheme Protocol (https or http)\n' +
|
|
' --host Remote host\n' +
|
|
' --port Remote/Local port\n' +
|
|
' --local_port Local port override\n' +
|
|
' --secondary-port Secondary port\n' +
|
|
' --extension Path of an extension to include\n' +
|
|
' --github-auth Github authentication token\n' +
|
|
' --verbose Print out more information\n' +
|
|
' --help\n' +
|
|
'[Example]\n' +
|
|
' yarn web --scheme https --host example.com --port 8080 --local_port 30000'
|
|
);
|
|
process.exit(0);
|
|
}
|
|
|
|
const PORT = args.port || process.env.PORT || 8080;
|
|
const LOCAL_PORT = args.local_port || process.env.LOCAL_PORT || PORT;
|
|
const SECONDARY_PORT = args['secondary-port'] || (parseInt(PORT, 10) + 1);
|
|
const SCHEME = args.scheme || process.env.VSCODE_SCHEME || 'http';
|
|
const HOST = args.host || 'localhost';
|
|
const AUTHORITY = process.env.VSCODE_AUTHORITY || `${HOST}:${PORT}`;
|
|
|
|
const exists = (path) => util.promisify(fs.exists)(path);
|
|
const readFile = (path) => util.promisify(fs.readFile)(path);
|
|
|
|
async function getBuiltInExtensionInfos() {
|
|
const allExtensions = [];
|
|
/** @type {Object.<string, string>} */
|
|
const locations = {};
|
|
|
|
const [localExtensions, marketplaceExtensions, webDevExtensions] = await Promise.all([
|
|
extensions.scanBuiltinExtensions(BUILTIN_EXTENSIONS_ROOT),
|
|
extensions.scanBuiltinExtensions(BUILTIN_MARKETPLACE_EXTENSIONS_ROOT),
|
|
ensureWebDevExtensions().then(() => extensions.scanBuiltinExtensions(WEB_DEV_EXTENSIONS_ROOT))
|
|
]);
|
|
for (const ext of localExtensions) {
|
|
allExtensions.push(ext);
|
|
locations[ext.extensionPath] = path.join(BUILTIN_EXTENSIONS_ROOT, ext.extensionPath);
|
|
}
|
|
for (const ext of marketplaceExtensions) {
|
|
allExtensions.push(ext);
|
|
locations[ext.extensionPath] = path.join(BUILTIN_MARKETPLACE_EXTENSIONS_ROOT, ext.extensionPath);
|
|
}
|
|
for (const ext of webDevExtensions) {
|
|
allExtensions.push(ext);
|
|
locations[ext.extensionPath] = path.join(WEB_DEV_EXTENSIONS_ROOT, ext.extensionPath);
|
|
}
|
|
for (const ext of allExtensions) {
|
|
if (ext.packageJSON.browser) {
|
|
let mainFilePath = path.join(locations[ext.extensionPath], ext.packageJSON.browser);
|
|
if (path.extname(mainFilePath) !== '.js') {
|
|
mainFilePath += '.js';
|
|
}
|
|
if (!await exists(mainFilePath)) {
|
|
fancyLog(`${ansiColors.red('Error')}: Could not find ${mainFilePath}. Use ${ansiColors.cyan('yarn watch-web')} to build the built-in extensions.`);
|
|
}
|
|
}
|
|
}
|
|
return { extensions: allExtensions, locations };
|
|
}
|
|
|
|
async function ensureWebDevExtensions() {
|
|
|
|
// Playground (https://github.com/microsoft/vscode-web-playground)
|
|
const webDevPlaygroundRoot = path.join(WEB_DEV_EXTENSIONS_ROOT, 'vscode-web-playground');
|
|
const webDevPlaygroundExists = await exists(webDevPlaygroundRoot);
|
|
|
|
let downloadPlayground = false;
|
|
if (webDevPlaygroundExists) {
|
|
try {
|
|
const webDevPlaygroundPackageJson = JSON.parse(((await readFile(path.join(webDevPlaygroundRoot, 'package.json'))).toString()));
|
|
if (webDevPlaygroundPackageJson.version !== WEB_PLAYGROUND_VERSION) {
|
|
downloadPlayground = true;
|
|
}
|
|
} catch (error) {
|
|
downloadPlayground = true;
|
|
}
|
|
} else {
|
|
downloadPlayground = true;
|
|
}
|
|
|
|
if (downloadPlayground) {
|
|
if (args.verbose) {
|
|
fancyLog(`${ansiColors.magenta('Web Development extensions')}: Downloading vscode-web-playground to ${webDevPlaygroundRoot}`);
|
|
}
|
|
await new Promise((resolve, reject) => {
|
|
remote(['package.json', 'dist/extension.js', 'dist/extension.js.map'], {
|
|
base: 'https://raw.githubusercontent.com/microsoft/vscode-web-playground/main/'
|
|
}).pipe(vfs.dest(webDevPlaygroundRoot)).on('end', resolve).on('error', reject);
|
|
});
|
|
} else {
|
|
if (args.verbose) {
|
|
fancyLog(`${ansiColors.magenta('Web Development extensions')}: Using existing vscode-web-playground in ${webDevPlaygroundRoot}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
async function getCommandlineProvidedExtensionInfos() {
|
|
const extensions = [];
|
|
|
|
/** @type {Object.<string, string>} */
|
|
const locations = {};
|
|
|
|
let extensionArg = args['extension'];
|
|
if (!extensionArg) {
|
|
return { extensions, locations };
|
|
}
|
|
|
|
const extensionPaths = Array.isArray(extensionArg) ? extensionArg : [extensionArg];
|
|
await Promise.all(extensionPaths.map(async extensionPath => {
|
|
extensionPath = path.resolve(process.cwd(), extensionPath);
|
|
const packageJSON = await getExtensionPackageJSON(extensionPath);
|
|
if (packageJSON) {
|
|
const extensionId = `${packageJSON.publisher}.${packageJSON.name}`;
|
|
extensions.push({
|
|
packageJSON,
|
|
extensionLocation: { scheme: SCHEME, authority: AUTHORITY, path: `/extension/${extensionId}` }
|
|
});
|
|
locations[extensionId] = extensionPath;
|
|
}
|
|
}));
|
|
return { extensions, locations };
|
|
}
|
|
|
|
async function getExtensionPackageJSON(extensionPath) {
|
|
|
|
const packageJSONPath = path.join(extensionPath, 'package.json');
|
|
if (await exists(packageJSONPath)) {
|
|
try {
|
|
let packageJSON = JSON.parse((await readFile(packageJSONPath)).toString());
|
|
if (packageJSON.main && !packageJSON.browser) {
|
|
return; // unsupported
|
|
}
|
|
|
|
const packageNLSPath = path.join(extensionPath, 'package.nls.json');
|
|
const packageNLSExists = await exists(packageNLSPath);
|
|
if (packageNLSExists) {
|
|
packageJSON = extensions.translatePackageJSON(packageJSON, packageNLSPath); // temporary, until fixed in core
|
|
}
|
|
|
|
return packageJSON;
|
|
} catch (e) {
|
|
console.log(e);
|
|
}
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
const builtInExtensionsPromise = getBuiltInExtensionInfos();
|
|
const commandlineProvidedExtensionsPromise = getCommandlineProvidedExtensionInfos();
|
|
|
|
const mapCallbackUriToRequestId = new Map();
|
|
|
|
/**
|
|
* @param req {http.IncomingMessage}
|
|
* @param res {http.ServerResponse}
|
|
*/
|
|
const requestHandler = (req, res) => {
|
|
const parsedUrl = url.parse(req.url, true);
|
|
const pathname = parsedUrl.pathname;
|
|
|
|
try {
|
|
if (pathname === '/favicon.ico') {
|
|
// favicon
|
|
return serveFile(req, res, path.join(APP_ROOT, 'resources', 'win32', 'code.ico'));
|
|
}
|
|
if (pathname === '/manifest.json') {
|
|
// manifest
|
|
res.writeHead(200, { 'Content-Type': 'application/json' });
|
|
return res.end(JSON.stringify({
|
|
'name': 'Code Web - OSS',
|
|
'short_name': 'Code Web - OSS',
|
|
'start_url': '/',
|
|
'lang': 'en-US',
|
|
'display': 'standalone'
|
|
}));
|
|
}
|
|
if (/^\/static\//.test(pathname)) {
|
|
// static requests
|
|
return handleStatic(req, res, parsedUrl);
|
|
}
|
|
if (/^\/extension\//.test(pathname)) {
|
|
// default extension requests
|
|
return handleExtension(req, res, parsedUrl);
|
|
}
|
|
if (pathname === '/') {
|
|
// main web
|
|
return handleRoot(req, res);
|
|
} else if (pathname === '/callback') {
|
|
// callback support
|
|
return handleCallback(req, res, parsedUrl);
|
|
} else if (pathname === '/fetch-callback') {
|
|
// callback fetch support
|
|
return handleFetchCallback(req, res, parsedUrl);
|
|
}
|
|
|
|
return serveError(req, res, 404, 'Not found.');
|
|
} catch (error) {
|
|
console.error(error.toString());
|
|
|
|
return serveError(req, res, 500, 'Internal Server Error.');
|
|
}
|
|
};
|
|
|
|
const server = http.createServer(requestHandler);
|
|
server.listen(LOCAL_PORT, () => {
|
|
if (LOCAL_PORT !== PORT) {
|
|
console.log(`Operating location at http://0.0.0.0:${LOCAL_PORT}`);
|
|
}
|
|
console.log(`Web UI available at ${SCHEME}://${AUTHORITY}`);
|
|
});
|
|
server.on('error', err => {
|
|
console.error(`Error occurred in server:`);
|
|
console.error(err);
|
|
});
|
|
|
|
const secondaryServer = http.createServer(requestHandler);
|
|
secondaryServer.listen(SECONDARY_PORT, () => {
|
|
console.log(`Secondary server available at ${SCHEME}://${HOST}:${SECONDARY_PORT}`);
|
|
});
|
|
secondaryServer.on('error', err => {
|
|
console.error(`Error occurred in server:`);
|
|
console.error(err);
|
|
});
|
|
|
|
/**
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
*/
|
|
async function handleStatic(req, res, parsedUrl) {
|
|
|
|
if (/^\/static\/extensions\//.test(parsedUrl.pathname)) {
|
|
const relativePath = decodeURIComponent(parsedUrl.pathname.substr('/static/extensions/'.length));
|
|
const filePath = getExtensionFilePath(relativePath, (await builtInExtensionsPromise).locations);
|
|
const responseHeaders = {
|
|
'Access-Control-Allow-Origin': '*'
|
|
};
|
|
if (!filePath) {
|
|
return serveError(req, res, 400, `Bad request.`, responseHeaders);
|
|
}
|
|
return serveFile(req, res, filePath, responseHeaders);
|
|
}
|
|
|
|
// Strip `/static/` from the path
|
|
const relativeFilePath = path.normalize(decodeURIComponent(parsedUrl.pathname.substr('/static/'.length)));
|
|
|
|
return serveFile(req, res, path.join(APP_ROOT, relativeFilePath));
|
|
}
|
|
|
|
/**
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
*/
|
|
async function handleExtension(req, res, parsedUrl) {
|
|
// Strip `/extension/` from the path
|
|
const relativePath = decodeURIComponent(parsedUrl.pathname.substr('/extension/'.length));
|
|
const filePath = getExtensionFilePath(relativePath, (await commandlineProvidedExtensionsPromise).locations);
|
|
const responseHeaders = {
|
|
'Access-Control-Allow-Origin': '*'
|
|
};
|
|
if (!filePath) {
|
|
return serveError(req, res, 400, `Bad request.`, responseHeaders);
|
|
}
|
|
return serveFile(req, res, filePath, responseHeaders);
|
|
}
|
|
|
|
/**
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
*/
|
|
async function handleRoot(req, res) {
|
|
let folderUri = { scheme: 'memfs', path: `/sample-folder` };
|
|
|
|
const match = req.url && req.url.match(/\?([^#]+)/);
|
|
if (match) {
|
|
const qs = new URLSearchParams(match[1]);
|
|
|
|
let gh = qs.get('gh');
|
|
if (gh) {
|
|
if (gh.startsWith('/')) {
|
|
gh = gh.substr(1);
|
|
}
|
|
|
|
const [owner, repo, ...branch] = gh.split('/', 3);
|
|
const ref = branch.join('/');
|
|
folderUri = { scheme: 'github', authority: `${owner}+${repo}${ref ? `+${ref}` : ''}`, path: '/' };
|
|
} else {
|
|
let cs = qs.get('cs');
|
|
if (cs) {
|
|
if (cs.startsWith('/')) {
|
|
cs = cs.substr(1);
|
|
}
|
|
|
|
const [owner, repo, ...branch] = cs.split('/');
|
|
const ref = branch.join('/');
|
|
folderUri = { scheme: 'codespace', authority: `${owner}+${repo}${ref ? `+${ref}` : ''}`, path: '/' };
|
|
}
|
|
}
|
|
}
|
|
|
|
const { extensions: builtInExtensions } = await builtInExtensionsPromise;
|
|
const { extensions: staticExtensions, locations: staticLocations } = await commandlineProvidedExtensionsPromise;
|
|
|
|
const dedupedBuiltInExtensions = [];
|
|
for (const builtInExtension of builtInExtensions) {
|
|
const extensionId = `${builtInExtension.packageJSON.publisher}.${builtInExtension.packageJSON.name}`;
|
|
if (staticLocations[extensionId]) {
|
|
fancyLog(`${ansiColors.magenta('BuiltIn extensions')}: Ignoring built-in ${extensionId} because it was overridden via --extension argument`);
|
|
continue;
|
|
}
|
|
|
|
dedupedBuiltInExtensions.push(builtInExtension);
|
|
}
|
|
|
|
if (args.verbose) {
|
|
fancyLog(`${ansiColors.magenta('BuiltIn extensions')}: ${dedupedBuiltInExtensions.map(e => path.basename(e.extensionPath)).join(', ')}`);
|
|
fancyLog(`${ansiColors.magenta('Additional extensions')}: ${staticExtensions.map(e => path.basename(e.extensionLocation.path)).join(', ') || 'None'}`);
|
|
}
|
|
|
|
const webConfigJSON = {
|
|
folderUri: folderUri,
|
|
staticExtensions,
|
|
enableSyncByDefault: args['enable-sync'],
|
|
webWorkerExtensionHostIframeSrc: `${SCHEME}://${HOST}:${SECONDARY_PORT}/static/out/vs/workbench/services/extensions/worker/httpWebWorkerExtensionHostIframe.html`
|
|
};
|
|
if (args['wrap-iframe']) {
|
|
webConfigJSON._wrapWebWorkerExtHostInIframe = true;
|
|
}
|
|
if (req.headers['x-forwarded-host']) {
|
|
// support for running in codespace => no iframe wrapping
|
|
delete webConfigJSON.webWorkerExtensionHostIframeSrc;
|
|
}
|
|
|
|
const authSessionInfo = args['github-auth'] ? {
|
|
id: uuid.v4(),
|
|
providerId: 'github',
|
|
accessToken: args['github-auth'],
|
|
scopes: [['user:email'], ['repo']]
|
|
} : undefined;
|
|
|
|
const data = (await readFile(WEB_MAIN)).toString()
|
|
.replace('{{WORKBENCH_WEB_CONFIGURATION}}', () => escapeAttribute(JSON.stringify(webConfigJSON))) // use a replace function to avoid that regexp replace patterns ($&, $0, ...) are applied
|
|
.replace('{{WORKBENCH_BUILTIN_EXTENSIONS}}', () => escapeAttribute(JSON.stringify(dedupedBuiltInExtensions)))
|
|
.replace('{{WORKBENCH_AUTH_SESSION}}', () => authSessionInfo ? escapeAttribute(JSON.stringify(authSessionInfo)) : '')
|
|
.replace('{{WEBVIEW_ENDPOINT}}', '');
|
|
|
|
|
|
const headers = { 'Content-Type': 'text/html' };
|
|
if (args['trusted-types']) {
|
|
headers['Content-Security-Policy-Report-Only'] = 'require-trusted-types-for \'script\';';
|
|
}
|
|
|
|
res.writeHead(200, headers);
|
|
return res.end(data);
|
|
}
|
|
|
|
/**
|
|
* Handle HTTP requests for /callback
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
*/
|
|
async function handleCallback(req, res, parsedUrl) {
|
|
const wellKnownKeys = ['vscode-requestId', 'vscode-scheme', 'vscode-authority', 'vscode-path', 'vscode-query', 'vscode-fragment'];
|
|
const [requestId, vscodeScheme, vscodeAuthority, vscodePath, vscodeQuery, vscodeFragment] = wellKnownKeys.map(key => {
|
|
const value = getFirstQueryValue(parsedUrl, key);
|
|
if (value) {
|
|
return decodeURIComponent(value);
|
|
}
|
|
|
|
return value;
|
|
});
|
|
|
|
if (!requestId) {
|
|
res.writeHead(400, { 'Content-Type': 'text/plain' });
|
|
return res.end(`Bad request.`);
|
|
}
|
|
|
|
// merge over additional query values that we got
|
|
let query = vscodeQuery;
|
|
let index = 0;
|
|
getFirstQueryValues(parsedUrl, wellKnownKeys).forEach((value, key) => {
|
|
if (!query) {
|
|
query = '';
|
|
}
|
|
|
|
const prefix = (index++ === 0) ? '' : '&';
|
|
query += `${prefix}${key}=${value}`;
|
|
});
|
|
|
|
|
|
// add to map of known callbacks
|
|
mapCallbackUriToRequestId.set(requestId, JSON.stringify({ scheme: vscodeScheme || 'code-oss', authority: vscodeAuthority, path: vscodePath, query, fragment: vscodeFragment }));
|
|
return serveFile(req, res, path.join(APP_ROOT, 'resources', 'web', 'callback.html'), { 'Content-Type': 'text/html' });
|
|
}
|
|
|
|
/**
|
|
* Handle HTTP requests for /fetch-callback
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
*/
|
|
async function handleFetchCallback(req, res, parsedUrl) {
|
|
const requestId = getFirstQueryValue(parsedUrl, 'vscode-requestId');
|
|
if (!requestId) {
|
|
res.writeHead(400, { 'Content-Type': 'text/plain' });
|
|
return res.end(`Bad request.`);
|
|
}
|
|
|
|
const knownCallbackUri = mapCallbackUriToRequestId.get(requestId);
|
|
if (knownCallbackUri) {
|
|
mapCallbackUriToRequestId.delete(requestId);
|
|
}
|
|
|
|
res.writeHead(200, { 'Content-Type': 'text/json' });
|
|
return res.end(knownCallbackUri);
|
|
}
|
|
|
|
/**
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
* @param {string} key
|
|
* @returns {string | undefined}
|
|
*/
|
|
function getFirstQueryValue(parsedUrl, key) {
|
|
const result = parsedUrl.query[key];
|
|
return Array.isArray(result) ? result[0] : result;
|
|
}
|
|
|
|
/**
|
|
* @param {import('url').UrlWithParsedQuery} parsedUrl
|
|
* @param {string[] | undefined} ignoreKeys
|
|
* @returns {Map<string, string>}
|
|
*/
|
|
function getFirstQueryValues(parsedUrl, ignoreKeys) {
|
|
const queryValues = new Map();
|
|
|
|
for (const key in parsedUrl.query) {
|
|
if (ignoreKeys && ignoreKeys.indexOf(key) >= 0) {
|
|
continue;
|
|
}
|
|
|
|
const value = getFirstQueryValue(parsedUrl, key);
|
|
if (typeof value === 'string') {
|
|
queryValues.set(key, value);
|
|
}
|
|
}
|
|
|
|
return queryValues;
|
|
}
|
|
|
|
/**
|
|
* @param {string} value
|
|
*/
|
|
function escapeAttribute(value) {
|
|
return value.replace(/"/g, '"');
|
|
}
|
|
|
|
/**
|
|
* @param {string} relativePath
|
|
* @param {Object.<string, string>} locations
|
|
* @returns {string | undefined}
|
|
*/
|
|
function getExtensionFilePath(relativePath, locations) {
|
|
const firstSlash = relativePath.indexOf('/');
|
|
if (firstSlash === -1) {
|
|
return undefined;
|
|
}
|
|
const extensionId = relativePath.substr(0, firstSlash);
|
|
|
|
const extensionPath = locations[extensionId];
|
|
if (!extensionPath) {
|
|
return undefined;
|
|
}
|
|
return path.join(extensionPath, relativePath.substr(firstSlash + 1));
|
|
}
|
|
|
|
/**
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {string} errorMessage
|
|
*/
|
|
function serveError(req, res, errorCode, errorMessage, responseHeaders = Object.create(null)) {
|
|
responseHeaders['Content-Type'] = 'text/plain';
|
|
res.writeHead(errorCode, responseHeaders);
|
|
res.end(errorMessage);
|
|
}
|
|
|
|
const textMimeType = {
|
|
'.html': 'text/html',
|
|
'.js': 'text/javascript',
|
|
'.json': 'application/json',
|
|
'.css': 'text/css',
|
|
'.svg': 'image/svg+xml',
|
|
};
|
|
|
|
const mapExtToMediaMimes = {
|
|
'.bmp': 'image/bmp',
|
|
'.gif': 'image/gif',
|
|
'.ico': 'image/x-icon',
|
|
'.jpe': 'image/jpg',
|
|
'.jpeg': 'image/jpg',
|
|
'.jpg': 'image/jpg',
|
|
'.png': 'image/png',
|
|
'.tga': 'image/x-tga',
|
|
'.tif': 'image/tiff',
|
|
'.tiff': 'image/tiff',
|
|
'.woff': 'application/font-woff'
|
|
};
|
|
|
|
/**
|
|
* @param {string} forPath
|
|
*/
|
|
function getMediaMime(forPath) {
|
|
const ext = path.extname(forPath);
|
|
|
|
return mapExtToMediaMimes[ext.toLowerCase()];
|
|
}
|
|
|
|
/**
|
|
* @param {import('http').IncomingMessage} req
|
|
* @param {import('http').ServerResponse} res
|
|
* @param {string} filePath
|
|
*/
|
|
async function serveFile(req, res, filePath, responseHeaders = Object.create(null)) {
|
|
try {
|
|
|
|
// Sanity checks
|
|
filePath = path.normalize(filePath); // ensure no "." and ".."
|
|
|
|
const stat = await util.promisify(fs.stat)(filePath);
|
|
|
|
// Check if file modified since
|
|
const etag = `W/"${[stat.ino, stat.size, stat.mtime.getTime()].join('-')}"`; // weak validator (https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag)
|
|
if (req.headers['if-none-match'] === etag) {
|
|
res.writeHead(304);
|
|
return res.end();
|
|
}
|
|
|
|
// Headers
|
|
responseHeaders['Content-Type'] = textMimeType[path.extname(filePath)] || getMediaMime(filePath) || 'text/plain';
|
|
responseHeaders['Etag'] = etag;
|
|
|
|
res.writeHead(200, responseHeaders);
|
|
|
|
// Data
|
|
fs.createReadStream(filePath).pipe(res);
|
|
} catch (error) {
|
|
console.error(error.toString());
|
|
responseHeaders['Content-Type'] = 'text/plain';
|
|
res.writeHead(404, responseHeaders);
|
|
return res.end('Not found');
|
|
}
|
|
}
|
|
|
|
if (args.launch !== false) {
|
|
opn(`${SCHEME}://${HOST}:${PORT}`);
|
|
}
|