mirror of
https://github.com/ether/etherpad-lite.git
synced 2025-04-22 00:16:15 -04:00
73 lines
3 KiB
JavaScript
73 lines
3 KiB
JavaScript
'use strict';
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const fs = require('fs').promises;
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const minify = require('../../utils/Minify');
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const path = require('path');
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const plugins = require('../../../static/js/pluginfw/plugin_defs');
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const settings = require('../../utils/Settings');
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const CachingMiddleware = require('../../utils/caching_middleware');
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const Yajsml = require('etherpad-yajsml');
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// Rewrite tar to include modules with no extensions and proper rooted paths.
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const getTar = async () => {
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const prefixLocalLibraryPath = (path) => {
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if (path.charAt(0) === '$') {
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return path.slice(1);
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} else {
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return `ep_etherpad-lite/static/js/${path}`;
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}
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};
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const tarJson = await fs.readFile(path.join(settings.root, 'src/node/utils/tar.json'), 'utf8');
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const tar = {};
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for (const [key, relativeFiles] of Object.entries(JSON.parse(tarJson))) {
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const files = relativeFiles.map(prefixLocalLibraryPath);
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tar[prefixLocalLibraryPath(key)] = files
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.concat(files.map((p) => p.replace(/\.js$/, '')))
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.concat(files.map((p) => `${p.replace(/\.js$/, '')}/index.js`));
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}
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return tar;
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};
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exports.expressCreateServer = async (hookName, args) => {
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// Cache both minified and static.
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const assetCache = new CachingMiddleware();
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args.app.all(/\/javascripts\/(.*)/, assetCache.handle.bind(assetCache));
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// Minify will serve static files compressed (minify enabled). It also has
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// file-specific hacks for ace/require-kernel/etc.
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args.app.all('/static/:filename(*)', minify.minify);
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// Setup middleware that will package JavaScript files served by minify for
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// CommonJS loader on the client-side.
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// Hostname "invalid.invalid" is a dummy value to allow parsing as a URI.
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const jsServer = new (Yajsml.Server)({
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rootPath: 'javascripts/src/',
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rootURI: 'http://invalid.invalid/static/js/',
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libraryPath: 'javascripts/lib/',
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libraryURI: 'http://invalid.invalid/static/plugins/',
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requestURIs: minify.requestURIs, // Loop-back is causing problems, this is a workaround.
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});
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const StaticAssociator = Yajsml.associators.StaticAssociator;
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const associations = Yajsml.associators.associationsForSimpleMapping(await getTar());
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const associator = new StaticAssociator(associations);
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jsServer.setAssociator(associator);
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args.app.use(jsServer.handle.bind(jsServer));
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// serve plugin definitions
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// not very static, but served here so that client can do
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// require("pluginfw/static/js/plugin-definitions.js");
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args.app.get('/pluginfw/plugin-definitions.json', (req, res, next) => {
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const clientParts = plugins.parts.filter((part) => part.client_hooks != null);
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const clientPlugins = {};
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for (const name of new Set(clientParts.map((part) => part.plugin))) {
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clientPlugins[name] = {...plugins.plugins[name]};
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delete clientPlugins[name].package;
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}
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res.setHeader('Content-Type', 'application/json; charset=utf-8');
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res.setHeader('Cache-Control', `public, max-age=${settings.maxAge}`);
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res.write(JSON.stringify({plugins: clientPlugins, parts: clientParts}));
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res.end();
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});
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};
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