smc-hub/dist/share/http-server.js

CoCalc: Backend webserver component

"use strict";
/*
 *  This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.
 *  License: AGPLv3 s.t. "Commons Clause" – see LICENSE.md for details
 */
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Object.defineProperty(exports, "__esModule", { value: true });
exports.init = void 0;
/*
Simple http server that serves share server, is used for local
development (cc-in-cc), the Docker image, and in production for
the main share server.
*/
var path = __importStar(require("path"));
var fs = __importStar(require("fs"));
var util_1 = require("util");
var fs_access = util_1.promisify(fs.access);
var express_1 = __importDefault(require("express"));
var http = __importStar(require("http"));
var base_path_1 = __importDefault(require("smc-util-node/base-path"));
var health_checks_1 = require("../health-checks");
// import * as share from "./share";
var share = require("./share");
// import { virtual_hosts } from "./virtual-hosts";
var virtual_hosts = require("./virtual-hosts").virtual_hosts;
function extra_health_check(share_path) {
    var _this = this;
    // this gives the parent dir of `/.../project-[...]/` !
    var share_path_dir = path.parse(share_path).dir;
    return function () { return __awaiter(_this, void 0, void 0, function () {
        var err_1, status_1, status;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    _a.trys.push([0, 2, , 3]);
                    return [4 /*yield*/, fs_access(share_path_dir)];
                case 1:
                    _a.sent();
                    return [3 /*break*/, 3];
                case 2:
                    err_1 = _a.sent();
                    status_1 = "share_path_dir='" + share_path_dir + "' NOT accessible";
                    return [2 /*return*/, { status: status_1, abort: true }];
                case 3:
                    status = "share_path_dir='" + share_path_dir + "' accessible";
                    return [2 /*return*/, { status: status, abort: false }];
            }
        });
    }); };
}
function init(opts) {
    return __awaiter(this, void 0, void 0, function () {
        var router, app, compression, vhost, share_router, http_server;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (opts.logger != null) {
                        opts.logger.debug("initializing share server using share_path='" + opts.share_path + "', base_path='" + base_path_1.default + "'");
                    }
                    router = express_1.default.Router();
                    app = express_1.default();
                    compression = require("compression");
                    app.use(compression());
                    return [4 /*yield*/, virtual_hosts({
                            database: opts.database,
                            share_path: opts.share_path,
                            logger: opts.logger,
                        })];
                case 1:
                    vhost = _a.sent();
                    app.use(vhost);
                    health_checks_1.setup_health_checks({
                        router: router,
                        db: opts.database,
                        extra: [extra_health_check(opts.share_path)],
                    });
                    if (opts.share_path) {
                        share_router = share.share_router({
                            database: opts.database,
                            path: opts.share_path,
                            logger: opts.logger,
                        });
                    }
                    if (base_path_1.default != "/") {
                        app.use(base_path_1.default, router);
                        if (opts.share_path) {
                            app.use(path.join(base_path_1.default, "share"), share_router);
                        }
                        if (global.window != null) {
                            global.window["app_base_path"] = base_path_1.default;
                        }
                    }
                    else {
                        app.use(router);
                        if (opts.share_path) {
                            app.use("/share", share_router);
                        }
                    }
                    http_server = http.createServer(app);
                    return [2 /*return*/, { http_server: http_server, express_router: router }];
            }
        });
    });
}
exports.init = init;
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