smc-hub
Version:
CoCalc: Backend webserver component
173 lines • 10.2 kB
JavaScript
;
/*
The main hub express app.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var express_1 = __importDefault(require("express"));
var cookie_parser_1 = __importDefault(require("cookie-parser"));
var compression_1 = __importDefault(require("compression"));
var ms_1 = __importDefault(require("ms"));
var url_1 = require("url");
var path_1 = require("path");
var analytics_1 = require("../analytics");
var logger_1 = require("../logger");
var health_checks_1 = require("../health-checks");
var static_1 = require("@cocalc/static");
var webapp_lib_1 = require("webapp-lib");
var cdn_1 = require("@cocalc/cdn");
var database_1 = require("./database");
var base_path_1 = __importDefault(require("smc-util-node/base-path"));
var metrics_1 = __importDefault(require("./app/metrics"));
var api_1 = __importDefault(require("./app/api"));
var blobs_1 = __importDefault(require("./app/blobs"));
var set_cookies_1 = __importDefault(require("./app/set-cookies"));
var customize_1 = __importDefault(require("./app/customize"));
var stats_1 = __importDefault(require("./app/stats"));
var app_redirect_1 = __importDefault(require("./app/app-redirect"));
var landing_1 = __importDefault(require("./app/landing"));
var share_1 = __importDefault(require("./app/share"));
var share_2 = __importDefault(require("./share"));
// Used for longterm caching of files
var MAX_AGE = ms_1.default("100 days"); // NOTE: more than a year would be invalid
function init(opts) {
return __awaiter(this, void 0, void 0, function () {
var winston, app, router, cacheLongTerm;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
winston = logger_1.getLogger("express-app");
winston.info("creating express app");
app = express_1.default();
router = express_1.default.Router();
app.use(cookie_parser_1.default());
// Enable compression, as suggested by
// http://expressjs.com/en/advanced/best-practice-performance.html#use-gzip-compression
// NOTE "Express runs everything in order" --
// https://github.com/expressjs/compression/issues/35#issuecomment-77076170
app.use(compression_1.default());
// Install custom middleware to track response time metrics via prometheus, and
// also serve them up at /metrics.
metrics_1.default(router);
// see http://stackoverflow.com/questions/10849687/express-js-how-to-get-remote-client-address
app.enable("trust proxy");
cacheLongTerm = function (res) {
if (opts.dev)
return; // ... unless in dev mode
res.setHeader("Cache-Control", "public, max-age='" + MAX_AGE + "'");
res.setHeader("Expires", new Date(Date.now().valueOf() + MAX_AGE).toUTCString());
};
// robots.txt: disable everything except /share. In particular, don't allow
// indexing for published subdirectories to avoid a lot of 500/404 errors.
router.use("/robots.txt", function (_req, res) {
res.header("Content-Type", "text/plain");
res.header("Cache-Control", "private, no-cache, must-revalidate");
res.write("User-agent: *\n Allow: /share\n Disallow: /*\n ");
res.end();
});
// setup the analytics.js endpoint
return [4 /*yield*/, analytics_1.initAnalytics(router, database_1.database)];
case 1:
// setup the analytics.js endpoint
_a.sent();
// setup all healthcheck endpoints
return [4 /*yield*/, health_checks_1.setup_health_checks({ router: router, db: database_1.database })];
case 2:
// setup all healthcheck endpoints
_a.sent();
if (!opts.landingServer) return [3 /*break*/, 4];
// Landing page content: this is the "/" index page + assets, for docker, on-prem, dev.
return [4 /*yield*/, landing_1.default(app)];
case 3:
// Landing page content: this is the "/" index page + assets, for docker, on-prem, dev.
_a.sent();
_a.label = 4;
case 4:
if (!opts.shareServer) return [3 /*break*/, 7];
if (!process.env.COCALC_NEXTJS_SHARE) return [3 /*break*/, 6];
return [4 /*yield*/, share_1.default(app)];
case 5:
_a.sent();
return [3 /*break*/, 7];
case 6:
share_2.default(app);
_a.label = 7;
case 7:
// The /static content, used by docker, development, etc.
// This is the stuff that's packaged up via webpack in packages/static.
router.use("/static", express_1.default.static(static_1.path, { setHeaders: cacheLongTerm }));
// Static assets that are used by the webapp, the landing page, etc.
router.use("/webapp", express_1.default.static(webapp_lib_1.path, { setHeaders: cacheLongTerm }));
// This is @cocalc/cdn – cocalc serves everything it might get from a CDN on its own.
// This is defined in the @cocalc/cdn package. See the comments in packages/cdn.
router.use("/cdn", express_1.default.static(cdn_1.path, { setHeaders: cacheLongTerm }));
// Redirect requests to /app to /static/app.html.
// TODO: this will likely go away when rewrite the landing pages to not
// redirect users to /app in the first place.
router.get("/app", function (req, res) {
// query is exactly "?key=value,key=..."
var query = url_1.parse(req.url, true).search || "";
res.redirect(path_1.join(base_path_1.default, "static/app.html") + query);
});
// The base_path.js endpoint is javascript that sets the
// app_base_path global variable for the client when loaded.
router.get("/base_path.js", function (_req, res) {
res.send("window.app_base_path='" + base_path_1.default + "';");
});
api_1.default(router, opts.projectControl);
blobs_1.default(router);
set_cookies_1.default(router);
customize_1.default(router, opts.isPersonal);
stats_1.default(router);
app_redirect_1.default(router);
if (base_path_1.default !== "/") {
app.use(base_path_1.default, router);
}
else {
app.use(router);
}
return [2 /*return*/, { app: app, router: router }];
}
});
});
}
exports.default = init;
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