You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1809 lines
75 KiB
1809 lines
75 KiB
import {ApiError} from 'app/common/ApiError';
|
|
import {delay} from 'app/common/delay';
|
|
import {DocCreationInfo} from 'app/common/DocListAPI';
|
|
import {encodeUrl, getSlugIfNeeded, GristLoadConfig, IGristUrlState, isOrgInPathOnly,
|
|
parseSubdomain, sanitizePathTail} from 'app/common/gristUrls';
|
|
import {getOrgUrlInfo} from 'app/common/gristUrls';
|
|
import {UserProfile} from 'app/common/LoginSessionAPI';
|
|
import {DeprecationWarning} from 'app/common/Prefs';
|
|
import {tbind} from 'app/common/tbind';
|
|
import * as version from 'app/common/version';
|
|
import {ApiServer} from 'app/gen-server/ApiServer';
|
|
import {Document} from "app/gen-server/entity/Document";
|
|
import {Organization} from "app/gen-server/entity/Organization";
|
|
import {Workspace} from 'app/gen-server/entity/Workspace';
|
|
import {Activations} from 'app/gen-server/lib/Activations';
|
|
import {DocApiForwarder} from 'app/gen-server/lib/DocApiForwarder';
|
|
import {getDocWorkerMap} from 'app/gen-server/lib/DocWorkerMap';
|
|
import {HomeDBManager} from 'app/gen-server/lib/HomeDBManager';
|
|
import {Housekeeper} from 'app/gen-server/lib/Housekeeper';
|
|
import {Usage} from 'app/gen-server/lib/Usage';
|
|
import {AccessTokens, IAccessTokens} from 'app/server/lib/AccessTokens';
|
|
import {attachAppEndpoint} from 'app/server/lib/AppEndpoint';
|
|
import {appSettings} from 'app/server/lib/AppSettings';
|
|
import {addRequestUser, getUser, getUserId, isSingleUserMode,
|
|
redirectToLoginUnconditionally} from 'app/server/lib/Authorizer';
|
|
import {redirectToLogin, RequestWithLogin, signInStatusMiddleware} from 'app/server/lib/Authorizer';
|
|
import {forceSessionChange} from 'app/server/lib/BrowserSession';
|
|
import {Comm} from 'app/server/lib/Comm';
|
|
import {create} from 'app/server/lib/create';
|
|
import {addDiscourseConnectEndpoints} from 'app/server/lib/DiscourseConnect';
|
|
import {addDocApiRoutes} from 'app/server/lib/DocApi';
|
|
import {DocManager} from 'app/server/lib/DocManager';
|
|
import {DocStorageManager} from 'app/server/lib/DocStorageManager';
|
|
import {DocWorker} from 'app/server/lib/DocWorker';
|
|
import {DocWorkerInfo, IDocWorkerMap} from 'app/server/lib/DocWorkerMap';
|
|
import {expressWrap, jsonErrorHandler, secureJsonErrorHandler} from 'app/server/lib/expressWrap';
|
|
import {Hosts, RequestWithOrg} from 'app/server/lib/extractOrg';
|
|
import {addGoogleAuthEndpoint} from "app/server/lib/GoogleAuth";
|
|
import {DocTemplate, GristLoginMiddleware, GristLoginSystem, GristServer,
|
|
RequestWithGrist} from 'app/server/lib/GristServer';
|
|
import {initGristSessions, SessionStore} from 'app/server/lib/gristSessions';
|
|
import {HostedStorageManager} from 'app/server/lib/HostedStorageManager';
|
|
import {IBilling} from 'app/server/lib/IBilling';
|
|
import {IDocStorageManager} from 'app/server/lib/IDocStorageManager';
|
|
import {INotifier} from 'app/server/lib/INotifier';
|
|
import log from 'app/server/lib/log';
|
|
import {getLoginSystem} from 'app/server/lib/logins';
|
|
import {IPermitStore} from 'app/server/lib/Permit';
|
|
import {getAppPathTo, getAppRoot, getUnpackedAppRoot} from 'app/server/lib/places';
|
|
import {addPluginEndpoints, limitToPlugins} from 'app/server/lib/PluginEndpoint';
|
|
import {PluginManager} from 'app/server/lib/PluginManager';
|
|
import {adaptServerUrl, getOrgUrl, getOriginUrl, getScope, optStringParam,
|
|
RequestWithGristInfo, stringParam, TEST_HTTPS_OFFSET, trustOrigin} from 'app/server/lib/requestUtils';
|
|
import {ISendAppPageOptions, makeGristConfig, makeMessagePage, makeSendAppPage} from 'app/server/lib/sendAppPage';
|
|
import {getDatabaseUrl, listenPromise} from 'app/server/lib/serverUtils';
|
|
import {Sessions} from 'app/server/lib/Sessions';
|
|
import * as shutdown from 'app/server/lib/shutdown';
|
|
import {TagChecker} from 'app/server/lib/TagChecker';
|
|
import {startTestingHooks} from 'app/server/lib/TestingHooks';
|
|
import {getTestLoginSystem} from 'app/server/lib/TestLogin';
|
|
import {addUploadRoute} from 'app/server/lib/uploads';
|
|
import {buildWidgetRepository, IWidgetRepository} from 'app/server/lib/WidgetRepository';
|
|
import {setupLocale} from 'app/server/localization';
|
|
import axios from 'axios';
|
|
import * as bodyParser from 'body-parser';
|
|
import express from 'express';
|
|
import * as fse from 'fs-extra';
|
|
import * as http from 'http';
|
|
import * as https from 'https';
|
|
import {i18n} from 'i18next';
|
|
import i18Middleware from "i18next-http-middleware";
|
|
import mapValues = require('lodash/mapValues');
|
|
import morganLogger from 'morgan';
|
|
import {AddressInfo} from 'net';
|
|
import fetch from 'node-fetch';
|
|
import * as path from 'path';
|
|
import * as serveStatic from "serve-static";
|
|
|
|
// Health checks are a little noisy in the logs, so we don't show them all.
|
|
// We show the first N health checks:
|
|
const HEALTH_CHECK_LOG_SHOW_FIRST_N = 10;
|
|
// And we show every Nth health check:
|
|
const HEALTH_CHECK_LOG_SHOW_EVERY_N = 100;
|
|
|
|
// DocID of Grist doc to collect the Welcome questionnaire responses, such
|
|
// as "GristNewUserInfo".
|
|
const DOC_ID_NEW_USER_INFO = process.env.DOC_ID_NEW_USER_INFO;
|
|
|
|
export interface FlexServerOptions {
|
|
dataDir?: string;
|
|
|
|
// Base domain for org hostnames, starting with ".". Defaults to the base domain of APP_HOME_URL.
|
|
baseDomain?: string;
|
|
// Base URL for plugins, if permitted. Defaults to APP_UNTRUSTED_URL.
|
|
pluginUrl?: string;
|
|
}
|
|
|
|
const noop: express.RequestHandler = (req, res, next) => next();
|
|
|
|
export class FlexServer implements GristServer {
|
|
public readonly create = create;
|
|
public tagChecker: TagChecker;
|
|
public app: express.Express;
|
|
public deps: Set<string> = new Set();
|
|
public appRoot: string;
|
|
public host: string;
|
|
public tag: string;
|
|
public info = new Array<[string, any]>();
|
|
public usage: Usage;
|
|
public housekeeper: Housekeeper;
|
|
public server: http.Server;
|
|
public httpsServer?: https.Server;
|
|
public settings?: Readonly<Record<string, unknown>>;
|
|
public worker: DocWorkerInfo;
|
|
public electronServerMethods: ElectronServerMethods;
|
|
public readonly docsRoot: string;
|
|
public readonly i18Instance: i18n;
|
|
private _comm: Comm;
|
|
private _dbManager: HomeDBManager;
|
|
private _defaultBaseDomain: string|undefined;
|
|
private _pluginUrl: string|undefined;
|
|
private _billing: IBilling;
|
|
private _instanceRoot: string;
|
|
private _docManager: DocManager;
|
|
private _docWorker: DocWorker;
|
|
private _hosts: Hosts;
|
|
private _pluginManager: PluginManager;
|
|
private _sessions: Sessions;
|
|
private _sessionStore: SessionStore;
|
|
private _storageManager: IDocStorageManager;
|
|
private _docWorkerMap: IDocWorkerMap;
|
|
private _widgetRepository: IWidgetRepository;
|
|
private _notifier: INotifier;
|
|
private _accessTokens: IAccessTokens;
|
|
private _internalPermitStore: IPermitStore; // store for permits that stay within our servers
|
|
private _externalPermitStore: IPermitStore; // store for permits that pass through outside servers
|
|
private _disabled: boolean = false;
|
|
private _disableExternalStorage: boolean = false;
|
|
private _healthy: boolean = true; // becomes false if a serious error has occurred and
|
|
// server cannot do its work.
|
|
private _healthCheckCounter: number = 0;
|
|
private _hasTestingHooks: boolean = false;
|
|
private _loginMiddleware: GristLoginMiddleware;
|
|
private _userIdMiddleware: express.RequestHandler;
|
|
private _trustOriginsMiddleware: express.RequestHandler;
|
|
private _docPermissionsMiddleware: express.RequestHandler;
|
|
// This middleware redirects to signin/signup for anon, except on merged org or for
|
|
// a team site that allows anon access.
|
|
private _redirectToLoginWithExceptionsMiddleware: express.RequestHandler;
|
|
// This unconditionally redirects to signin/signup for anon, for pages where anon access
|
|
// is never desired.
|
|
private _redirectToLoginWithoutExceptionsMiddleware: express.RequestHandler;
|
|
// This can be called to do a redirect to signin/signup in a nuanced situation.
|
|
private _redirectToLoginUnconditionally: express.RequestHandler | null;
|
|
private _redirectToOrgMiddleware: express.RequestHandler;
|
|
private _redirectToHostMiddleware: express.RequestHandler;
|
|
private _getLoginRedirectUrl: (req: express.Request, target: URL) => Promise<string>;
|
|
private _getSignUpRedirectUrl: (req: express.Request, target: URL) => Promise<string>;
|
|
private _getLogoutRedirectUrl: (req: express.Request, nextUrl: URL) => Promise<string>;
|
|
private _sendAppPage: (req: express.Request, resp: express.Response, options: ISendAppPageOptions) => Promise<void>;
|
|
private _getLoginSystem?: () => Promise<GristLoginSystem>;
|
|
|
|
constructor(public port: number, public name: string = 'flexServer',
|
|
public readonly options: FlexServerOptions = {}) {
|
|
this.app = express();
|
|
this.app.set('port', port);
|
|
this.appRoot = getAppRoot();
|
|
this.host = process.env.GRIST_HOST || "localhost";
|
|
log.info(`== Grist version is ${version.version} (commit ${version.gitcommit})`);
|
|
this.info.push(['appRoot', this.appRoot]);
|
|
// Initialize locales files.
|
|
this.i18Instance = setupLocale(this.appRoot);
|
|
if (Array.isArray(this.i18Instance.options.preload)) {
|
|
this.info.push(['i18:locale', this.i18Instance.options.preload.join(",")]);
|
|
}
|
|
if (Array.isArray(this.i18Instance.options.ns)) {
|
|
this.info.push(['i18:namespace', this.i18Instance.options.ns.join(",")]);
|
|
}
|
|
// Add language detection middleware.
|
|
this.app.use(i18Middleware.handle(this.i18Instance));
|
|
// This directory hold Grist documents.
|
|
let docsRoot = path.resolve((this.options && this.options.dataDir) ||
|
|
process.env.GRIST_DATA_DIR ||
|
|
getAppPathTo(this.appRoot, 'samples'));
|
|
// In testing, it can be useful to separate out document roots used
|
|
// by distinct FlexServers.
|
|
if (process.env.GRIST_TEST_ADD_PORT_TO_DOCS_ROOT === 'true') {
|
|
docsRoot = path.resolve(docsRoot, String(port));
|
|
}
|
|
// Create directory if it doesn't exist.
|
|
// TODO: track down all dependencies on 'samples' existing in tests and
|
|
// in dev environment, and remove them. Then it would probably be best
|
|
// to simply fail if the docs root directory does not exist.
|
|
fse.mkdirpSync(docsRoot);
|
|
this.docsRoot = fse.realpathSync(docsRoot);
|
|
this.info.push(['docsRoot', this.docsRoot]);
|
|
|
|
const homeUrl = process.env.APP_HOME_URL;
|
|
// The "base domain" is only a thing if orgs are encoded as a subdomain.
|
|
if (process.env.GRIST_ORG_IN_PATH === 'true' || process.env.GRIST_SINGLE_ORG) {
|
|
this._defaultBaseDomain = options.baseDomain || (homeUrl && new URL(homeUrl).hostname);
|
|
} else {
|
|
this._defaultBaseDomain = options.baseDomain || (homeUrl && parseSubdomain(new URL(homeUrl).hostname).base);
|
|
}
|
|
this.info.push(['defaultBaseDomain', this._defaultBaseDomain]);
|
|
this._pluginUrl = options.pluginUrl || process.env.APP_UNTRUSTED_URL;
|
|
this.info.push(['pluginUrl', this._pluginUrl]);
|
|
|
|
// The electron build is not supported at this time, but this stub
|
|
// implementation of electronServerMethods is present to allow kicking
|
|
// its tires.
|
|
let userConfig: any = {
|
|
recentItems: [],
|
|
};
|
|
this.electronServerMethods = {
|
|
async importDoc() { throw new Error('not implemented'); },
|
|
onDocOpen(cb) {
|
|
// currently only a stub.
|
|
cb('');
|
|
},
|
|
async getUserConfig() {
|
|
return userConfig;
|
|
},
|
|
async updateUserConfig(obj: any) {
|
|
userConfig = obj;
|
|
},
|
|
onBackupMade() {
|
|
log.info('backup skipped');
|
|
}
|
|
};
|
|
|
|
this.app.use((req, res, next) => {
|
|
(req as RequestWithGrist).gristServer = this;
|
|
next();
|
|
});
|
|
}
|
|
|
|
// Allow overridding the login system.
|
|
public setLoginSystem(loginSystem: () => Promise<GristLoginSystem>) {
|
|
this._getLoginSystem = loginSystem;
|
|
}
|
|
|
|
public getHost(): string {
|
|
return `${this.host}:${this.getOwnPort()}`;
|
|
}
|
|
|
|
// Get a url for this server, based on the protocol it speaks (http), the host it
|
|
// runs on, and the port it listens on. The url the client uses to communicate with
|
|
// the server may be different if there are intermediaries (such as a load-balancer
|
|
// terminating TLS).
|
|
public getOwnUrl(): string {
|
|
const port = this.getOwnPort();
|
|
return `http://${this.host}:${port}`;
|
|
}
|
|
|
|
/**
|
|
* Get a url for the home server api. Called without knowledge of a specific
|
|
* request, so will default to a generic url. Use of this method can render
|
|
* code incompatible with custom base domains (currently, sendgrid notifications
|
|
* via Notifier are incompatible for this reason).
|
|
*/
|
|
public getDefaultHomeUrl(): string {
|
|
const homeUrl = process.env.APP_HOME_URL || (this._has('api') && this.getOwnUrl());
|
|
if (!homeUrl) { throw new Error("need APP_HOME_URL"); }
|
|
return homeUrl;
|
|
}
|
|
|
|
/**
|
|
* Get a url for the home server api, adapting it to match the base domain in the
|
|
* requested url. This adaptation is important for cookie-based authentication.
|
|
*
|
|
* If relPath is given, returns that path relative to homeUrl. If omitted, note that
|
|
* getHomeUrl() will still return a URL ending in "/".
|
|
*/
|
|
public getHomeUrl(req: express.Request, relPath: string = ''): string {
|
|
// Get the default home url.
|
|
const homeUrl = new URL(relPath, this.getDefaultHomeUrl());
|
|
adaptServerUrl(homeUrl, req as RequestWithOrg);
|
|
return homeUrl.href;
|
|
}
|
|
|
|
/**
|
|
* Get a home url that is appropriate for the given document. For now, this
|
|
* returns a default that works for all documents. That could change in future,
|
|
* specifically with custom domains (perhaps we might limit which docs can be accessed
|
|
* based on domain).
|
|
*/
|
|
public async getHomeUrlByDocId(docId: string, relPath: string = ''): Promise<string> {
|
|
return new URL(relPath, this.getDefaultHomeUrl()).href;
|
|
}
|
|
|
|
// Get the port number the server listens on. This may be different from the port
|
|
// number the client expects when communicating with the server if there are intermediaries.
|
|
public getOwnPort(): number {
|
|
// Get the port from the server in case it was started with port 0.
|
|
return this.server ? (this.server.address() as AddressInfo).port : this.port;
|
|
}
|
|
|
|
/**
|
|
* Get a url to an org that should be accessible by all signed-in users. For now, this
|
|
* returns the base URL of the personal org (typically docs[-s]).
|
|
*/
|
|
public getMergedOrgUrl(req: RequestWithLogin, pathname: string = '/'): string {
|
|
return this._getOrgRedirectUrl(req, this._dbManager.mergedOrgDomain(), pathname);
|
|
}
|
|
|
|
public getPermitStore(): IPermitStore {
|
|
if (!this._internalPermitStore) { throw new Error('no permit store available'); }
|
|
return this._internalPermitStore;
|
|
}
|
|
|
|
public getExternalPermitStore(): IPermitStore {
|
|
if (!this._externalPermitStore) { throw new Error('no permit store available'); }
|
|
return this._externalPermitStore;
|
|
}
|
|
|
|
public getSessions(): Sessions {
|
|
if (!this._sessions) { throw new Error('no sessions available'); }
|
|
return this._sessions;
|
|
}
|
|
|
|
public getComm(): Comm {
|
|
if (!this._comm) { throw new Error('no Comm available'); }
|
|
return this._comm;
|
|
}
|
|
|
|
public getHosts(): Hosts {
|
|
if (!this._hosts) { throw new Error('no hosts available'); }
|
|
return this._hosts;
|
|
}
|
|
|
|
public getHomeDBManager(): HomeDBManager {
|
|
if (!this._dbManager) { throw new Error('no home db available'); }
|
|
return this._dbManager;
|
|
}
|
|
|
|
public getStorageManager(): IDocStorageManager {
|
|
if (!this._storageManager) { throw new Error('no storage manager available'); }
|
|
return this._storageManager;
|
|
}
|
|
|
|
public getWidgetRepository(): IWidgetRepository {
|
|
if (!this._widgetRepository) { throw new Error('no widget repository available'); }
|
|
return this._widgetRepository;
|
|
}
|
|
|
|
public getNotifier(): INotifier {
|
|
if (!this._notifier) { throw new Error('no notifier available'); }
|
|
return this._notifier;
|
|
}
|
|
|
|
public getAccessTokens() {
|
|
if (this._accessTokens) { return this._accessTokens; }
|
|
this.addDocWorkerMap();
|
|
const cli = this._docWorkerMap.getRedisClient();
|
|
this._accessTokens = new AccessTokens(cli);
|
|
return this._accessTokens;
|
|
}
|
|
|
|
public sendAppPage(req: express.Request, resp: express.Response, options: ISendAppPageOptions): Promise<void> {
|
|
if (!this._sendAppPage) { throw new Error('no _sendAppPage method available'); }
|
|
return this._sendAppPage(req, resp, options);
|
|
}
|
|
|
|
public addLogging() {
|
|
if (this._check('logging')) { return; }
|
|
if (process.env.GRIST_LOG_SKIP_HTTP) { return; }
|
|
// Add a timestamp token that matches exactly the formatting of non-morgan logs.
|
|
morganLogger.token('logTime', (req: Request) => log.timestamp());
|
|
// Add an optional gristInfo token that can replace the url, if the url is sensitive.
|
|
morganLogger.token('gristInfo', (req: RequestWithGristInfo) =>
|
|
req.gristInfo || req.originalUrl || req.url);
|
|
morganLogger.token('host', (req: express.Request) => req.get('host'));
|
|
const msg = ':logTime :host :method :gristInfo :status :response-time ms - :res[content-length]';
|
|
// In hosted Grist, render json so logs retain more organization.
|
|
function outputJson(tokens: any, req: any, res: any) {
|
|
return JSON.stringify({
|
|
timestamp: tokens.logTime(req, res),
|
|
method: tokens.method(req, res),
|
|
path: tokens.gristInfo(req, res),
|
|
status: tokens.status(req, res),
|
|
timeMs: parseFloat(tokens['response-time'](req, res)) || undefined,
|
|
contentLength: parseInt(tokens.res(req, res, 'content-length'), 10) || undefined,
|
|
host: tokens.host(req, res),
|
|
altSessionId: req.altSessionId,
|
|
});
|
|
}
|
|
this.app.use(morganLogger(process.env.GRIST_HOSTED_VERSION ? outputJson : msg, {
|
|
skip: this._shouldSkipRequestLogging.bind(this)
|
|
}));
|
|
}
|
|
|
|
public addHealthCheck() {
|
|
if (this._check('health')) { return; }
|
|
// Health check endpoint. if called with /hooks, testing hooks are required in order to be
|
|
// considered healthy. Testing hooks are used only in server started for tests, and
|
|
// /status/hooks allows the tests to wait for them to be ready.
|
|
this.app.get('/status(/hooks)?', (req, res) => {
|
|
if (this._healthy && (this._hasTestingHooks || !req.url.endsWith('/hooks'))) {
|
|
this._healthCheckCounter++;
|
|
res.status(200).send(`Grist ${this.name} is alive.`);
|
|
} else {
|
|
this._healthCheckCounter = 0; // reset counter if we ever go internally unhealthy.
|
|
res.status(500).send(`Grist ${this.name} is unhealthy.`);
|
|
}
|
|
});
|
|
}
|
|
|
|
public testAddRouter() {
|
|
if (this._check('router')) { return; }
|
|
this.app.get('/test/router', (req, res) => {
|
|
const act = optStringParam(req.query.act) || 'none';
|
|
const port = stringParam(req.query.port, 'port'); // port is trusted in mock; in prod it is not.
|
|
if (act === 'add' || act === 'remove') {
|
|
const host = `localhost:${port}`;
|
|
return res.status(200).json({
|
|
act,
|
|
host,
|
|
url: `http://${host}`,
|
|
message: 'ok',
|
|
});
|
|
}
|
|
return res.status(500).json({error: 'unrecognized action'});
|
|
});
|
|
}
|
|
|
|
public addCleanup() {
|
|
if (this._check('cleanup')) { return; }
|
|
// Set up signal handlers. Note that nodemon sends SIGUSR2 to restart node.
|
|
shutdown.cleanupOnSignals('SIGINT', 'SIGTERM', 'SIGHUP', 'SIGUSR2');
|
|
}
|
|
|
|
public addTagChecker() {
|
|
if (this._check('tag', '!org')) { return; }
|
|
// Handle requests that start with /v/TAG/ and set .tag property on them.
|
|
this.tag = version.gitcommit;
|
|
this.info.push(['tag', this.tag]);
|
|
this.tagChecker = new TagChecker(this.tag);
|
|
this.app.use(this.tagChecker.inspectTag);
|
|
}
|
|
|
|
/**
|
|
* To allow routing to doc workers via the path, doc workers remove any
|
|
* path prefix of the form /dw/...../ if present. The prefix is not checked,
|
|
* just removed unconditionally.
|
|
* TODO: determine what the prefix should be, and check it, to catch bugs.
|
|
*/
|
|
public stripDocWorkerIdPathPrefixIfPresent() {
|
|
if (this._check('strip_dw', '!tag', '!org')) { return; }
|
|
this.app.use((req, resp, next) => {
|
|
const match = req.url.match(/^\/dw\/([-a-zA-Z0-9]+)([/?].*)?$/);
|
|
if (match) { req.url = sanitizePathTail(match[2]); }
|
|
next();
|
|
});
|
|
}
|
|
|
|
public addOrg() {
|
|
if (this._check('org', 'homedb', 'hosts')) { return; }
|
|
this.app.use(this._hosts.extractOrg);
|
|
}
|
|
|
|
public setDirectory() {
|
|
if (this._check('dir')) { return; }
|
|
process.chdir(getUnpackedAppRoot(this.appRoot));
|
|
}
|
|
|
|
public get instanceRoot() {
|
|
if (!this._instanceRoot) {
|
|
this._instanceRoot = path.resolve(process.env.GRIST_INST_DIR || this.appRoot);
|
|
this.info.push(['instanceRoot', this._instanceRoot]);
|
|
}
|
|
return this._instanceRoot;
|
|
}
|
|
|
|
public addStaticAndBowerDirectories() {
|
|
if (this._check('static_and_bower', 'dir')) { return; }
|
|
this.addTagChecker();
|
|
// Allow static files to be requested from any origin.
|
|
const options: serveStatic.ServeStaticOptions = {
|
|
setHeaders: (res, filepath, stat) => {
|
|
res.setHeader("Access-Control-Allow-Origin", "*");
|
|
}
|
|
};
|
|
// Grist has static help files, which may be useful for standalone app,
|
|
// but for hosted grist the latest help is at support.getgrist.com. Redirect
|
|
// to this page for the benefit of crawlers which currently rank the static help
|
|
// page link highly for historic reasons.
|
|
this.app.use(/^\/help\//, expressWrap(async (req, res) => {
|
|
res.redirect('https://support.getgrist.com');
|
|
}));
|
|
// If there is a directory called "static_ext", serve material from there
|
|
// as well. This isn't used in grist-core but is handy for extensions such
|
|
// as an Electron app.
|
|
const staticExtDir = getAppPathTo(this.appRoot, 'static') + '_ext';
|
|
const staticExtApp = fse.existsSync(staticExtDir) ?
|
|
express.static(staticExtDir, options) : null;
|
|
const staticApp = express.static(getAppPathTo(this.appRoot, 'static'), options);
|
|
const bowerApp = express.static(getAppPathTo(this.appRoot, 'bower_components'), options);
|
|
if (process.env.GRIST_LOCALES_DIR) {
|
|
const locales = express.static(process.env.GRIST_LOCALES_DIR, options);
|
|
this.app.use("/locales", this.tagChecker.withTag(locales));
|
|
}
|
|
if (staticExtApp) { this.app.use(this.tagChecker.withTag(staticExtApp)); }
|
|
this.app.use(this.tagChecker.withTag(staticApp));
|
|
this.app.use(this.tagChecker.withTag(bowerApp));
|
|
}
|
|
|
|
// Some tests rely on testFOO.html files being served.
|
|
public addAssetsForTests() {
|
|
if (this._check('testAssets', 'dir')) { return; }
|
|
// Serve test[a-z]*.html for test purposes.
|
|
this.app.use(/^\/(test[a-z]*.html)$/i, expressWrap(async (req, res) =>
|
|
res.sendFile(req.params[0], {root: getAppPathTo(this.appRoot, 'static')})));
|
|
}
|
|
|
|
// Plugin operation relies currently on grist-plugin-api.js being available,
|
|
// and with Grist's static assets to be also available on the untrusted
|
|
// host. The assets should be available without version tags.
|
|
public async addAssetsForPlugins() {
|
|
if (this._check('pluginUntaggedAssets', 'dir')) { return; }
|
|
this.app.use(/^\/(grist-plugin-api.js)$/, expressWrap(async (req, res) =>
|
|
res.sendFile(req.params[0], {root: getAppPathTo(this.appRoot, 'static')})));
|
|
// Plugins get access to static resources without a tag
|
|
this.app.use(limitToPlugins(express.static(getAppPathTo(this.appRoot, 'static'))));
|
|
this.app.use(limitToPlugins(express.static(getAppPathTo(this.appRoot, 'bower_components'))));
|
|
// Serve custom-widget.html message for anyone.
|
|
this.app.use(/^\/(custom-widget.html)$/, expressWrap(async (req, res) =>
|
|
res.sendFile(req.params[0], {root: getAppPathTo(this.appRoot, 'static')})));
|
|
this.addOrg();
|
|
addPluginEndpoints(this, await this._addPluginManager());
|
|
}
|
|
|
|
// Prepare cache for managing org-to-host relationship.
|
|
public addHosts() {
|
|
if (this._check('hosts', 'homedb')) { return; }
|
|
this._hosts = new Hosts(this._defaultBaseDomain, this._dbManager, this._pluginUrl);
|
|
}
|
|
|
|
public async initHomeDBManager() {
|
|
if (this._check('homedb')) { return; }
|
|
this._dbManager = new HomeDBManager();
|
|
this._dbManager.setPrefix(process.env.GRIST_ID_PREFIX || "");
|
|
await this._dbManager.connect();
|
|
await this._dbManager.initializeSpecialIds();
|
|
// Report which database we are using, without sensitive credentials.
|
|
this.info.push(['database', getDatabaseUrl(this._dbManager.connection.options, false)]);
|
|
// If the installation appears to be new, give it an id and a creation date.
|
|
const activations = new Activations(this._dbManager);
|
|
await activations.current();
|
|
}
|
|
|
|
public addDocWorkerMap() {
|
|
if (this._check('map')) { return; }
|
|
this._docWorkerMap = getDocWorkerMap();
|
|
this._internalPermitStore = this._docWorkerMap.getPermitStore('internal');
|
|
this._externalPermitStore = this._docWorkerMap.getPermitStore('external');
|
|
}
|
|
|
|
// Set up the main express middleware used. For a single user setup, without logins,
|
|
// all this middleware is currently a no-op.
|
|
public addAccessMiddleware() {
|
|
if (this._check('middleware', 'map', 'config', isSingleUserMode() ? null : 'hosts')) { return; }
|
|
|
|
if (!isSingleUserMode()) {
|
|
const skipSession = appSettings.section('login').flag('skipSession').readBool({
|
|
envVar: 'GRIST_IGNORE_SESSION',
|
|
});
|
|
// Middleware to redirect landing pages to preferred host
|
|
this._redirectToHostMiddleware = this._hosts.redirectHost;
|
|
// Middleware to add the userId to the express request object.
|
|
this._userIdMiddleware = expressWrap(addRequestUser.bind(
|
|
null, this._dbManager, this._internalPermitStore,
|
|
{
|
|
getProfile: this._loginMiddleware.getProfile?.bind(this._loginMiddleware),
|
|
// Set this to false to stop Grist using a cookie for authentication purposes.
|
|
skipSession,
|
|
gristServer: this,
|
|
}
|
|
));
|
|
this._trustOriginsMiddleware = expressWrap(trustOriginHandler);
|
|
// middleware to authorize doc access to the app. Note that this requires the userId
|
|
// to be set on the request by _userIdMiddleware.
|
|
this._docPermissionsMiddleware = expressWrap((...args) => this._docWorker.assertDocAccess(...args));
|
|
this._redirectToLoginWithExceptionsMiddleware = redirectToLogin(true,
|
|
this._getLoginRedirectUrl,
|
|
this._getSignUpRedirectUrl,
|
|
this._dbManager);
|
|
this._redirectToLoginWithoutExceptionsMiddleware = redirectToLogin(false,
|
|
this._getLoginRedirectUrl,
|
|
this._getSignUpRedirectUrl,
|
|
this._dbManager);
|
|
this._redirectToLoginUnconditionally = redirectToLoginUnconditionally(this._getLoginRedirectUrl,
|
|
this._getSignUpRedirectUrl);
|
|
this._redirectToOrgMiddleware = tbind(this._redirectToOrg, this);
|
|
} else {
|
|
this._userIdMiddleware = noop;
|
|
this._trustOriginsMiddleware = noop;
|
|
// For standalone single-user Grist, documents are stored on-disk
|
|
// with their filename equal to the document title, no document
|
|
// aliases are possible, and there is no access control.
|
|
// The _docPermissionsMiddleware is a no-op.
|
|
// TODO We might no longer have any tests for isSingleUserMode, or modes of operation.
|
|
this._docPermissionsMiddleware = noop;
|
|
this._redirectToLoginWithExceptionsMiddleware = noop;
|
|
this._redirectToLoginWithoutExceptionsMiddleware = noop;
|
|
this._redirectToLoginUnconditionally = null; // there is no way to log in.
|
|
this._redirectToOrgMiddleware = noop;
|
|
this._redirectToHostMiddleware = noop;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add middleware common to all API endpoints (including forwarding ones).
|
|
*/
|
|
public addApiMiddleware() {
|
|
if (this._check('api-mw', 'middleware')) { return; }
|
|
// API endpoints need req.userId and need to support requests from different subdomains.
|
|
this.app.use("/api", this._userIdMiddleware);
|
|
this.app.use("/api", this._trustOriginsMiddleware);
|
|
this.app.use("/api", noCaching);
|
|
}
|
|
|
|
/**
|
|
* Add error-handling middleware common to all API endpoints.
|
|
*/
|
|
public addApiErrorHandlers() {
|
|
if (this._check('api-error', 'api-mw')) { return; }
|
|
|
|
// add a final not-found handler for api
|
|
this.app.use("/api", (req, res) => {
|
|
res.status(404).send({error: `not found: ${req.originalUrl}`});
|
|
});
|
|
|
|
// Add a final error handler for /api endpoints that reports errors as JSON.
|
|
this.app.use('/api/auth', secureJsonErrorHandler);
|
|
this.app.use('/api', jsonErrorHandler);
|
|
}
|
|
|
|
public addHomeApi() {
|
|
if (this._check('api', 'homedb', 'json', 'api-mw')) { return; }
|
|
|
|
// ApiServer's constructor adds endpoints to the app.
|
|
// tslint:disable-next-line:no-unused-expression
|
|
new ApiServer(this.app, this._dbManager, this._widgetRepository = buildWidgetRepository());
|
|
}
|
|
|
|
public addBillingApi() {
|
|
if (this._check('billing-api', 'homedb', 'json', 'api-mw')) { return; }
|
|
this._getBilling();
|
|
this._billing.addEndpoints(this.app);
|
|
this._billing.addEventHandlers();
|
|
}
|
|
|
|
public async addBillingMiddleware() {
|
|
if (this._check('activation', 'homedb')) { return; }
|
|
this._getBilling();
|
|
await this._billing.addMiddleware?.(this.app);
|
|
}
|
|
|
|
/**
|
|
* Add a /api/log endpoint that simply outputs client errors to our
|
|
* logs. This is a minimal placeholder for a special-purpose
|
|
* service for dealing with client errors.
|
|
*/
|
|
public addLogEndpoint() {
|
|
if (this._check('log-endpoint', 'json', 'api-mw')) { return; }
|
|
this.app.post('/api/log', expressWrap(async (req, resp) => {
|
|
const mreq = req as RequestWithLogin;
|
|
log.rawWarn('client error', {
|
|
event: req.body.event,
|
|
docId: req.body.docId,
|
|
page: req.body.page,
|
|
browser: req.body.browser,
|
|
org: mreq.org,
|
|
email: mreq.user && mreq.user.loginEmail,
|
|
userId: mreq.userId,
|
|
altSessionId: mreq.altSessionId,
|
|
});
|
|
return resp.status(200).send();
|
|
}));
|
|
}
|
|
|
|
public async close() {
|
|
if (this.usage) { await this.usage.close(); }
|
|
if (this._hosts) { this._hosts.close(); }
|
|
if (this._dbManager) {
|
|
this._dbManager.removeAllListeners();
|
|
this._dbManager.flushDocAuthCache();
|
|
}
|
|
if (this.server) { this.server.close(); }
|
|
if (this.httpsServer) { this.httpsServer.close(); }
|
|
if (this.housekeeper) { await this.housekeeper.stop(); }
|
|
await this._shutdown();
|
|
if (this._accessTokens) { await this._accessTokens.close(); }
|
|
// Do this after _shutdown, since DocWorkerMap is used during shutdown.
|
|
if (this._docWorkerMap) { await this._docWorkerMap.close(); }
|
|
if (this._sessionStore) { await this._sessionStore.close(); }
|
|
}
|
|
|
|
public addDocApiForwarder() {
|
|
if (this._check('doc_api_forwarder', '!json', 'homedb', 'api-mw', 'map')) { return; }
|
|
const docApiForwarder = new DocApiForwarder(this._docWorkerMap, this._dbManager, this);
|
|
docApiForwarder.addEndpoints(this.app);
|
|
}
|
|
|
|
public addJsonSupport() {
|
|
if (this._check('json')) { return; }
|
|
this.app.use(bodyParser.json({limit: '1mb'})); // Increase from the default 100kb
|
|
}
|
|
|
|
public addSessions() {
|
|
if (this._check('sessions', 'config')) { return; }
|
|
this.addTagChecker();
|
|
this.addOrg();
|
|
|
|
// Create the sessionStore and related objects.
|
|
const {sessions, sessionMiddleware, sessionStore} = initGristSessions(getUnpackedAppRoot(this.instanceRoot), this);
|
|
this.app.use(sessionMiddleware);
|
|
this.app.use(signInStatusMiddleware);
|
|
|
|
// Create an endpoint for making cookies during testing.
|
|
this.app.get('/test/session', async (req, res) => {
|
|
const mreq = req as RequestWithLogin;
|
|
forceSessionChange(mreq.session);
|
|
res.status(200).send(`Grist ${this.name} is alive and is interested in you.`);
|
|
});
|
|
|
|
this._sessions = sessions;
|
|
this._sessionStore = sessionStore;
|
|
}
|
|
|
|
// Close connections and stop accepting new connections. Remove server from any lists
|
|
// it may be in.
|
|
public async stopListening(mode: 'crash'|'clean' = 'clean') {
|
|
if (!this._disabled) {
|
|
if (mode === 'clean') {
|
|
await this._shutdown();
|
|
this._disabled = true;
|
|
} else {
|
|
this._disabled = true;
|
|
if (this._comm) {
|
|
this._comm.setServerActivation(false);
|
|
this._comm.destroyAllClients();
|
|
}
|
|
}
|
|
this.server.close();
|
|
if (this.httpsServer) { this.httpsServer.close(); }
|
|
}
|
|
}
|
|
|
|
public async createWorkerUrl(): Promise<{url: string, host: string}> {
|
|
if (!process.env.GRIST_ROUTER_URL) {
|
|
throw new Error('No service available to create worker url');
|
|
}
|
|
const w = await axios.get(process.env.GRIST_ROUTER_URL,
|
|
{params: {act: 'add', port: this.getOwnPort()}});
|
|
log.info(`DocWorker registered itself via ${process.env.GRIST_ROUTER_URL} as ${w.data.url}`);
|
|
const statusUrl = `${w.data.url}/status`;
|
|
// We now wait for the worker to be available from the url that clients will
|
|
// use to connect to it. This may take some time. The main delay is the
|
|
// new target group and load balancer rule taking effect - typically 10-20 seconds.
|
|
// If we don't wait, the worker will end up registered for work and clients
|
|
// could end up trying to reach it to open documents - but the url they have
|
|
// won't work.
|
|
for (let tries = 0; tries < 600; tries++) {
|
|
await delay(1000);
|
|
try {
|
|
await axios.get(statusUrl);
|
|
return w.data;
|
|
} catch (err) {
|
|
log.debug(`While waiting for ${statusUrl} got error ${(err as Error).message}`);
|
|
}
|
|
}
|
|
throw new Error(`Cannot connect to ${statusUrl}`);
|
|
}
|
|
|
|
// Accept new connections again. Add server to any lists it needs to be in to get work.
|
|
public async restartListening() {
|
|
if (!this._docWorkerMap) { throw new Error('expected to have DocWorkerMap'); }
|
|
await this.stopListening('clean');
|
|
if (this._disabled) {
|
|
if (this._storageManager) {
|
|
this._storageManager.testReopenStorage();
|
|
}
|
|
this._comm.setServerActivation(true);
|
|
if (this.worker) {
|
|
await this._startServers(this.server, this.httpsServer, this.name, this.port, false);
|
|
await this._addSelfAsWorker(this._docWorkerMap);
|
|
}
|
|
this._disabled = false;
|
|
}
|
|
}
|
|
|
|
public async addLandingPages() {
|
|
// TODO: check if isSingleUserMode() path can be removed from this method
|
|
if (this._check('landing', 'map', isSingleUserMode() ? null : 'homedb')) { return; }
|
|
this.addSessions();
|
|
|
|
// Initialize _sendAppPage helper.
|
|
this._sendAppPage = makeSendAppPage({
|
|
server: isSingleUserMode() ? null : this,
|
|
staticDir: getAppPathTo(this.appRoot, 'static'),
|
|
tag: this.tag,
|
|
testLogin: allowTestLogin(),
|
|
baseDomain: this._defaultBaseDomain,
|
|
});
|
|
|
|
const isForced = appSettings.section('login').flag('forced').readBool({
|
|
envVar: 'GRIST_FORCE_LOGIN',
|
|
});
|
|
const forcedLoginMiddleware = isForced ? this._redirectToLoginWithoutExceptionsMiddleware : noop;
|
|
|
|
const welcomeNewUser: express.RequestHandler = isSingleUserMode() ?
|
|
(req, res, next) => next() :
|
|
expressWrap(async (req, res, next) => {
|
|
const mreq = req as RequestWithLogin;
|
|
const user = getUser(req);
|
|
if (user && user.isFirstTimeUser) {
|
|
log.debug(`welcoming user: ${user.name}`);
|
|
// Reset isFirstTimeUser flag.
|
|
await this._dbManager.updateUser(user.id, {isFirstTimeUser: false});
|
|
|
|
// This is a good time to set some other flags, for showing a popup with welcome question(s)
|
|
// to this new user and recording their sign-up with Google Tag Manager. These flags are also
|
|
// scoped to the user, but isFirstTimeUser has a dedicated DB field because it predates userPrefs.
|
|
// Note that the updateOrg() method handles all levels of prefs (for user, user+org, or org).
|
|
await this._dbManager.updateOrg(getScope(req), 0, {userPrefs: {
|
|
showNewUserQuestions: true,
|
|
recordSignUpEvent: true,
|
|
// Mark all deprecated warnings as seen.
|
|
seenDeprecatedWarnings: DeprecationWarning.values
|
|
}});
|
|
|
|
const domain = mreq.org ?? null;
|
|
if (!process.env.GRIST_SINGLE_ORG && this._dbManager.isMergedOrg(domain)) {
|
|
// We're logging in for the first time on the merged org; if the user has
|
|
// access to other team sites, forward the user to a page that lists all
|
|
// the teams they have access to.
|
|
const result = await this._dbManager.getMergedOrgs(user.id, user.id, domain);
|
|
const orgs = this._dbManager.unwrapQueryResult(result);
|
|
if (orgs.length > 1 && mreq.path === '/') {
|
|
// Only forward if the request is for the home page.
|
|
return res.redirect(this.getMergedOrgUrl(mreq, '/welcome/teams'));
|
|
}
|
|
}
|
|
}
|
|
if (mreq.org && mreq.org.startsWith('o-')) {
|
|
// We are on a team site without a custom subdomain.
|
|
const orgInfo = this._dbManager.unwrapQueryResult(await this._dbManager.getOrg({userId: user.id}, mreq.org));
|
|
|
|
// If the user is a billing manager for the org, and the org
|
|
// is supposed to have a custom subdomain, forward the user
|
|
// to a page to set it.
|
|
|
|
// TODO: this is more or less a hack for AppSumo signup flow,
|
|
// and could be removed if/when signup flow is revamped.
|
|
|
|
// If "welcomeNewUser" is ever added to billing pages, we'd need
|
|
// to avoid a redirect loop.
|
|
|
|
if (orgInfo.billingAccount.isManager && orgInfo.billingAccount.product.features.vanityDomain) {
|
|
const prefix = isOrgInPathOnly(req.hostname) ? `/o/${mreq.org}` : '';
|
|
return res.redirect(`${prefix}/billing/payment?billingTask=signUpLite`);
|
|
}
|
|
}
|
|
next();
|
|
});
|
|
|
|
attachAppEndpoint({
|
|
app: this.app,
|
|
middleware: [
|
|
this._redirectToHostMiddleware,
|
|
this._userIdMiddleware,
|
|
forcedLoginMiddleware,
|
|
this._redirectToLoginWithExceptionsMiddleware,
|
|
this._redirectToOrgMiddleware,
|
|
welcomeNewUser
|
|
],
|
|
docMiddleware: [
|
|
// Same as middleware, except without login redirect middleware.
|
|
this._redirectToHostMiddleware,
|
|
this._userIdMiddleware,
|
|
forcedLoginMiddleware,
|
|
this._redirectToOrgMiddleware,
|
|
welcomeNewUser
|
|
],
|
|
forceLogin: this._redirectToLoginUnconditionally,
|
|
docWorkerMap: isSingleUserMode() ? null : this._docWorkerMap,
|
|
sendAppPage: this._sendAppPage,
|
|
dbManager: this._dbManager,
|
|
plugins : (await this._addPluginManager()).getPlugins(),
|
|
gristServer: this,
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Load user config file from standard location (if present).
|
|
*
|
|
* Note that the user config file doesn't do anything today, but may be useful in
|
|
* the future for configuring things that don't fit well into environment variables.
|
|
*
|
|
* TODO: Revisit this, and update `GristServer.settings` type to match the expected shape
|
|
* of config.json. (ts-interface-checker could be useful here for runtime validation.)
|
|
*/
|
|
public async loadConfig() {
|
|
if (this._check('config')) { return; }
|
|
const settingsPath = path.join(this.instanceRoot, 'config.json');
|
|
if (await fse.pathExists(settingsPath)) {
|
|
log.info(`Loading config from ${settingsPath}`);
|
|
this.settings = JSON.parse(await fse.readFile(settingsPath, 'utf8'));
|
|
} else {
|
|
log.info(`Loading empty config because ${settingsPath} missing`);
|
|
this.settings = {};
|
|
}
|
|
|
|
// TODO: We could include a third mock provider of login/logout URLs for better tests. Or we
|
|
// could create a mock SAML identity provider for testing this using the SAML flow.
|
|
const loginSystem = await (process.env.GRIST_TEST_LOGIN ? getTestLoginSystem() :
|
|
(this._getLoginSystem?.() || getLoginSystem()));
|
|
this._loginMiddleware = await loginSystem.getMiddleware(this);
|
|
this._getLoginRedirectUrl = tbind(this._loginMiddleware.getLoginRedirectUrl, this._loginMiddleware);
|
|
this._getSignUpRedirectUrl = tbind(this._loginMiddleware.getSignUpRedirectUrl, this._loginMiddleware);
|
|
this._getLogoutRedirectUrl = tbind(this._loginMiddleware.getLogoutRedirectUrl, this._loginMiddleware);
|
|
const wildcardMiddleware = this._loginMiddleware.getWildcardMiddleware?.();
|
|
if (wildcardMiddleware?.length) {
|
|
this.app.use(wildcardMiddleware);
|
|
}
|
|
}
|
|
|
|
public addComm() {
|
|
if (this._check('comm', 'start', 'homedb', 'config')) { return; }
|
|
this._comm = new Comm(this.server, {
|
|
settings: this.settings,
|
|
sessions: this._sessions,
|
|
hosts: this._hosts,
|
|
loginMiddleware: this._loginMiddleware,
|
|
httpsServer: this.httpsServer,
|
|
i18Instance: this.i18Instance
|
|
});
|
|
}
|
|
/**
|
|
* Add endpoint that servers a javascript file with various api keys that
|
|
* are used by the client libraries.
|
|
*/
|
|
public addClientSecrets() {
|
|
if (this._check('clientSecret')) { return; }
|
|
this.app.get('/client-secret.js', expressWrap(async (req, res) => {
|
|
const config = this.getGristConfig();
|
|
// Currently we are exposing only Google keys.
|
|
// Those keys are eventually visible by the client, but should be usable
|
|
// only from Grist's domains.
|
|
const secrets = {
|
|
googleClientId: config.googleClientId,
|
|
};
|
|
res.set('Content-Type', 'application/javascript');
|
|
res.status(200);
|
|
res.send(`
|
|
window.gristClientSecret = ${JSON.stringify(secrets)}
|
|
`);
|
|
}));
|
|
}
|
|
|
|
public async addLoginRoutes() {
|
|
if (this._check('login', 'org', 'sessions', 'homedb', 'hosts')) { return; }
|
|
// TODO: We do NOT want Comm here at all, it's only being used for handling sessions, which
|
|
// should be factored out of it.
|
|
this.addComm();
|
|
|
|
async function redirectToLoginOrSignup(
|
|
this: FlexServer, signUp: boolean|null, req: express.Request, resp: express.Response,
|
|
) {
|
|
const mreq = req as RequestWithLogin;
|
|
|
|
// This will ensure that express-session will set our cookie if it hasn't already -
|
|
// we'll need it when we redirect back.
|
|
forceSessionChange(mreq.session);
|
|
// Redirect to the requested URL after successful login.
|
|
const nextPath = optStringParam(req.query.next);
|
|
const nextUrl = new URL(getOrgUrl(req, nextPath));
|
|
if (signUp === null) {
|
|
// Like redirectToLogin in Authorizer, redirect to sign up if it doesn't look like the
|
|
// user has ever logged in on this browser.
|
|
signUp = (mreq.session.users === undefined);
|
|
}
|
|
const getRedirectUrl = signUp ? this._getSignUpRedirectUrl : this._getLoginRedirectUrl;
|
|
resp.redirect(await getRedirectUrl(req, nextUrl));
|
|
}
|
|
|
|
const signinMiddleware = this._loginMiddleware.getLoginOrSignUpMiddleware ?
|
|
this._loginMiddleware.getLoginOrSignUpMiddleware() :
|
|
[];
|
|
this.app.get('/login', ...signinMiddleware, expressWrap(redirectToLoginOrSignup.bind(this, false)));
|
|
this.app.get('/signup', ...signinMiddleware, expressWrap(redirectToLoginOrSignup.bind(this, true)));
|
|
this.app.get('/signin', ...signinMiddleware, expressWrap(redirectToLoginOrSignup.bind(this, null)));
|
|
|
|
if (allowTestLogin()) {
|
|
// This is an endpoint for the dev environment that lets you log in as anyone.
|
|
// For a standard dev environment, it will be accessible at localhost:8080/test/login
|
|
// and localhost:8080/o/<org>/test/login. Only available when GRIST_TEST_LOGIN is set.
|
|
// Handy when without network connectivity to reach Cognito.
|
|
|
|
log.warn("Adding a /test/login endpoint because GRIST_TEST_LOGIN is set. " +
|
|
"Users will be able to login as anyone.");
|
|
|
|
this.app.get('/test/login', expressWrap(async (req, res) => {
|
|
log.warn("Serving unauthenticated /test/login endpoint, made available because GRIST_TEST_LOGIN is set.");
|
|
|
|
// Query parameter is called "username" for compatibility with Cognito.
|
|
const email = optStringParam(req.query.username);
|
|
if (email) {
|
|
const redirect = optStringParam(req.query.next);
|
|
const profile: UserProfile = {
|
|
email,
|
|
name: optStringParam(req.query.name) || email,
|
|
};
|
|
const url = new URL(redirect || getOrgUrl(req));
|
|
// Make sure we update session for org we'll be redirecting to.
|
|
const {org} = await this._hosts.getOrgInfoFromParts(url.hostname, url.pathname);
|
|
const scopedSession = this._sessions.getOrCreateSessionFromRequest(req, { org });
|
|
await scopedSession.updateUserProfile(req, profile);
|
|
this._sessions.clearCacheIfNeeded({email, org});
|
|
if (redirect) { return res.redirect(redirect); }
|
|
}
|
|
res.send(`<!doctype html>
|
|
<html><body>
|
|
<div class="modal-content-desktop">
|
|
<h1>A Very Credulous Login Page</h1>
|
|
<p>
|
|
A minimal login screen to facilitate testing.
|
|
I'll believe anything you tell me.
|
|
</p>
|
|
<form>
|
|
<div>Email <input type=text name=username placeholder=email /></div>
|
|
<div>Name <input type=text name=name placeholder=name /></div>
|
|
<div>Dummy password <input type=text name=password placeholder=unused ></div>
|
|
<input type=hidden name=next value="${req.query.next || ''}">
|
|
<div><input type=submit name=signInSubmitButton value=login></div>
|
|
</form>
|
|
</div>
|
|
</body></html>
|
|
`);
|
|
}));
|
|
}
|
|
|
|
const logoutMiddleware = this._loginMiddleware.getLogoutMiddleware ?
|
|
this._loginMiddleware.getLogoutMiddleware() :
|
|
[];
|
|
this.app.get('/logout', ...logoutMiddleware, expressWrap(async (req, resp) => {
|
|
const scopedSession = this._sessions.getOrCreateSessionFromRequest(req);
|
|
const signedOutUrl = new URL(getOrgUrl(req) + 'signed-out');
|
|
const redirectUrl = await this._getLogoutRedirectUrl(req, signedOutUrl);
|
|
|
|
// Clear session so that user needs to log in again at the next request.
|
|
// SAML logout in theory uses userSession, so clear it AFTER we compute the URL.
|
|
// Express-session will save these changes.
|
|
const expressSession = (req as RequestWithLogin).session;
|
|
if (expressSession) { expressSession.users = []; expressSession.orgToUser = {}; }
|
|
await scopedSession.clearScopedSession(req);
|
|
// TODO: limit cache clearing to specific user.
|
|
this._sessions.clearCacheIfNeeded();
|
|
resp.redirect(redirectUrl);
|
|
}));
|
|
|
|
// Add a static "signed-out" page. This is where logout typically lands (e.g. after redirecting
|
|
// through SAML).
|
|
this.app.get('/signed-out', expressWrap((req, resp) =>
|
|
this._sendAppPage(req, resp, {path: 'error.html', status: 200, config: {errPage: 'signed-out'}})));
|
|
|
|
const comment = await this._loginMiddleware.addEndpoints(this.app);
|
|
this.info.push(['loginMiddlewareComment', comment]);
|
|
|
|
addDiscourseConnectEndpoints(this.app, {
|
|
userIdMiddleware: this._userIdMiddleware,
|
|
redirectToLogin: this._redirectToLoginWithoutExceptionsMiddleware,
|
|
});
|
|
}
|
|
|
|
public async addTestingHooks(workerServers?: FlexServer[]) {
|
|
if (process.env.GRIST_TESTING_SOCKET) {
|
|
await startTestingHooks(process.env.GRIST_TESTING_SOCKET, this.port, this._comm, this,
|
|
workerServers || []);
|
|
this._hasTestingHooks = true;
|
|
}
|
|
}
|
|
|
|
// Returns a Map from docId to number of connected clients for each doc.
|
|
public async getDocClientCounts(): Promise<Map<string, number>> {
|
|
return this._docManager ? this._docManager.getDocClientCounts() : new Map();
|
|
}
|
|
|
|
// allow the document manager to be specified externally, for convenience in testing.
|
|
public testSetDocManager(docManager: DocManager) {
|
|
this._docManager = docManager;
|
|
}
|
|
|
|
// Add document-related endpoints and related support.
|
|
public async addDoc() {
|
|
this._check('doc', 'start', 'tag', 'json', isSingleUserMode() ? null : 'homedb', 'api-mw', 'map');
|
|
// add handlers for cleanup, if we are in charge of the doc manager.
|
|
if (!this._docManager) { this.addCleanup(); }
|
|
await this.loadConfig();
|
|
this.addComm();
|
|
|
|
await this.create.configure?.();
|
|
if (!isSingleUserMode()) {
|
|
const externalStorage = appSettings.section('externalStorage');
|
|
const haveExternalStorage = Object.values(externalStorage.nested)
|
|
.some(storage => storage.flag('active').getAsBool());
|
|
const disabled = externalStorage.flag('disable')
|
|
.read({ envVar: 'GRIST_DISABLE_S3' }).getAsBool();
|
|
if (disabled || !haveExternalStorage) {
|
|
this._disableExternalStorage = true;
|
|
externalStorage.flag('active').set(false);
|
|
}
|
|
const workers = this._docWorkerMap;
|
|
const docWorkerId = await this._addSelfAsWorker(workers);
|
|
|
|
const storageManager = new HostedStorageManager(this.docsRoot, docWorkerId, this._disableExternalStorage, workers,
|
|
this._dbManager, this.create);
|
|
this._storageManager = storageManager;
|
|
} else {
|
|
const samples = getAppPathTo(this.appRoot, 'public_samples');
|
|
const storageManager = new DocStorageManager(this.docsRoot, samples, this._comm, this);
|
|
this._storageManager = storageManager;
|
|
}
|
|
|
|
const pluginManager = await this._addPluginManager();
|
|
this._docManager = this._docManager || new DocManager(this._storageManager, pluginManager,
|
|
this._dbManager, this);
|
|
const docManager = this._docManager;
|
|
|
|
shutdown.addCleanupHandler(null, this._shutdown.bind(this), 25000, 'FlexServer._shutdown');
|
|
|
|
if (!isSingleUserMode()) {
|
|
this._comm.registerMethods({
|
|
openDoc: docManager.openDoc.bind(docManager),
|
|
});
|
|
this._serveDocPage();
|
|
}
|
|
|
|
// Attach docWorker endpoints and Comm methods.
|
|
const docWorker = new DocWorker(this._dbManager, {comm: this._comm, gristServer: this});
|
|
this._docWorker = docWorker;
|
|
|
|
// Register the websocket comm functions associated with the docworker.
|
|
docWorker.registerCommCore();
|
|
docWorker.registerCommPlugin();
|
|
|
|
// Doc-specific endpoints require authorization; collect the relevant middleware in one list.
|
|
const docAccessMiddleware = [
|
|
this._userIdMiddleware,
|
|
this._docPermissionsMiddleware,
|
|
this.tagChecker.requireTag
|
|
];
|
|
|
|
this._addSupportPaths(docAccessMiddleware);
|
|
|
|
if (!isSingleUserMode()) {
|
|
addDocApiRoutes(this.app, docWorker, this._docWorkerMap, docManager, this._dbManager, this);
|
|
}
|
|
}
|
|
|
|
public disableExternalStorage() {
|
|
if (this.deps.has('doc')) {
|
|
throw new Error('disableExternalStorage called too late');
|
|
}
|
|
this._disableExternalStorage = true;
|
|
}
|
|
|
|
public addAccountPage() {
|
|
const middleware = [
|
|
this._redirectToHostMiddleware,
|
|
this._userIdMiddleware,
|
|
this._redirectToLoginWithoutExceptionsMiddleware
|
|
];
|
|
|
|
this.app.get('/account', ...middleware, expressWrap(async (req, resp) => {
|
|
return this._sendAppPage(req, resp, {path: 'account.html', status: 200, config: {}});
|
|
}));
|
|
}
|
|
|
|
public addBillingPages() {
|
|
const middleware = [
|
|
this._redirectToHostMiddleware,
|
|
this._userIdMiddleware,
|
|
this._redirectToLoginWithoutExceptionsMiddleware
|
|
];
|
|
|
|
this._getBilling();
|
|
this._billing.addPages(this.app, middleware);
|
|
}
|
|
|
|
/**
|
|
* Add billing webhooks. Strip signatures sign the raw body of the message, so
|
|
* we need to get these webhooks in before the bodyParser is added to parse json.
|
|
*/
|
|
public addEarlyWebhooks() {
|
|
if (this._check('webhooks', 'homedb')) { return; }
|
|
if (this.deps.has('json')) {
|
|
throw new Error('addEarlyWebhooks called too late');
|
|
}
|
|
this._getBilling();
|
|
this._billing.addWebhooks(this.app);
|
|
}
|
|
|
|
public addWelcomePaths() {
|
|
const middleware = [
|
|
this._redirectToHostMiddleware,
|
|
this._userIdMiddleware,
|
|
this._redirectToLoginWithoutExceptionsMiddleware,
|
|
];
|
|
|
|
// These are some special-purpose welcome pages, with no middleware.
|
|
this.app.get(/\/welcome\/(signup|verify|teams|select-account)/, expressWrap(async (req, resp, next) => {
|
|
return this._sendAppPage(req, resp, {path: 'app.html', status: 200, config: {}, googleTagManager: 'anon'});
|
|
}));
|
|
|
|
this.app.post('/welcome/info', ...middleware, expressWrap(async (req, resp, next) => {
|
|
const userId = getUserId(req);
|
|
const user = getUser(req);
|
|
const row = {...req.body, UserID: userId, Name: user.name, Email: user.loginEmail};
|
|
this._recordNewUserInfo(row)
|
|
.catch(e => {
|
|
// If we failed to record, at least log the data, so we could potentially recover it.
|
|
log.rawWarn(`Failed to record new user info: ${e.message}`, {newUserQuestions: row});
|
|
});
|
|
|
|
resp.status(200).send();
|
|
}), jsonErrorHandler); // Add a final error handler that reports errors as JSON.
|
|
}
|
|
|
|
public finalize() {
|
|
this.addApiErrorHandlers();
|
|
|
|
// add a final non-found handler for other content.
|
|
this.app.use("/", expressWrap((req, resp) => {
|
|
if (this._sendAppPage) {
|
|
return this._sendAppPage(req, resp, {path: 'error.html', status: 404, config: {errPage: 'not-found'}});
|
|
} else {
|
|
return resp.status(404).json({error: 'not found'});
|
|
}
|
|
}));
|
|
|
|
// add a final error handler
|
|
this.app.use(async (err: any, req: express.Request, resp: express.Response, next: express.NextFunction) => {
|
|
// Delegate to default error handler when headers have already been sent, as express advises
|
|
// at https://expressjs.com/en/guide/error-handling.html#the-default-error-handler.
|
|
// Also delegates if no _sendAppPage method has been configured.
|
|
if (resp.headersSent || !this._sendAppPage) { return next(err); }
|
|
try {
|
|
const errPage = (
|
|
err.status === 403 ? 'access-denied' :
|
|
err.status === 404 ? 'not-found' :
|
|
'other-error'
|
|
);
|
|
const config = {errPage, errMessage: err.message || err};
|
|
await this._sendAppPage(req, resp, {path: 'error.html', status: err.status || 400, config});
|
|
} catch (error) {
|
|
return next(error);
|
|
}
|
|
});
|
|
}
|
|
|
|
public summary() {
|
|
for (const [label, value] of this.info) {
|
|
log.info("== %s: %s", label, value);
|
|
}
|
|
for (const item of appSettings.describeAll()) {
|
|
const txt =
|
|
((item.value !== undefined) ? String(item.value) : '-') +
|
|
(item.foundInEnvVar ? ` [${item.foundInEnvVar}]` : '') +
|
|
(item.usedDefault ? ' [default]' : '') +
|
|
((item.wouldFindInEnvVar && !item.foundInEnvVar) ? ` [${item.wouldFindInEnvVar}]` : '');
|
|
log.info("== %s: %s", item.name, txt);
|
|
}
|
|
}
|
|
|
|
public async start() {
|
|
if (this._check('start')) { return; }
|
|
|
|
const servers = this._createServers();
|
|
this.server = servers.server;
|
|
this.httpsServer = servers.httpsServer;
|
|
await this._startServers(this.server, this.httpsServer, this.name, this.port, true);
|
|
}
|
|
|
|
public addNotifier() {
|
|
if (this._check('notifier', 'start', 'homedb')) { return; }
|
|
// TODO: Disable notifications for Nioxus orgs, until they are ready to deal with them.
|
|
// TODO: make Notifier aware of base domains, rather than sending emails with default
|
|
// base domain.
|
|
// Most notifications are ultimately triggered by requests with a base domain in them,
|
|
// and all that is needed is a refactor to pass that info along. But there is also the
|
|
// case of notification(s) from stripe. May need to associate a preferred base domain
|
|
// with org/user and persist that?
|
|
this._notifier = this.create.Notifier(this._dbManager, this);
|
|
}
|
|
|
|
public getGristConfig(): GristLoadConfig {
|
|
return makeGristConfig(this.getDefaultHomeUrl(), {}, this._defaultBaseDomain);
|
|
}
|
|
|
|
/**
|
|
* Get a url for a team site.
|
|
*/
|
|
public async getOrgUrl(orgKey: string|number): Promise<string> {
|
|
const org = await this.getOrg(orgKey);
|
|
return this.getResourceUrl(org);
|
|
}
|
|
|
|
public async getOrg(orgKey: string|number) {
|
|
if (!this._dbManager) { throw new Error('database missing'); }
|
|
const org = await this._dbManager.getOrg({
|
|
userId: this._dbManager.getPreviewerUserId(),
|
|
showAll: true
|
|
}, orgKey);
|
|
return this._dbManager.unwrapQueryResult(org);
|
|
}
|
|
|
|
/**
|
|
* Get a url for an organization, workspace, or document.
|
|
*/
|
|
public async getResourceUrl(resource: Organization|Workspace|Document,
|
|
purpose?: 'api'|'html'): Promise<string> {
|
|
if (!this._dbManager) { throw new Error('database missing'); }
|
|
const gristConfig = this.getGristConfig();
|
|
const state: IGristUrlState = {};
|
|
let org: Organization;
|
|
if (resource instanceof Organization) {
|
|
org = resource;
|
|
} else if (resource instanceof Workspace) {
|
|
org = resource.org;
|
|
state.ws = resource.id;
|
|
} else {
|
|
org = resource.workspace.org;
|
|
state.doc = resource.urlId || resource.id;
|
|
state.slug = getSlugIfNeeded(resource);
|
|
}
|
|
state.org = this._dbManager.normalizeOrgDomain(org.id, org.domain, org.ownerId);
|
|
if (!gristConfig.homeUrl) { throw new Error('Computing a resource URL requires a home URL'); }
|
|
return encodeUrl(gristConfig, state, new URL(gristConfig.homeUrl),
|
|
{ api: purpose === 'api' });
|
|
}
|
|
|
|
public addUsage() {
|
|
if (this._check('usage', 'start', 'homedb')) { return; }
|
|
this.usage = new Usage(this._dbManager);
|
|
}
|
|
|
|
public async addHousekeeper() {
|
|
if (this._check('housekeeper', 'start', 'homedb', 'map', 'json', 'api-mw')) { return; }
|
|
const store = this._docWorkerMap;
|
|
this.housekeeper = new Housekeeper(this._dbManager, this, this._internalPermitStore, store);
|
|
this.housekeeper.addEndpoints(this.app);
|
|
await this.housekeeper.start();
|
|
}
|
|
|
|
public async startCopy(name2: string, port2: number) {
|
|
const servers = this._createServers();
|
|
await this._startServers(servers.server, servers.httpsServer, name2, port2, true);
|
|
}
|
|
|
|
/**
|
|
* Close all documents currently held open.
|
|
*/
|
|
public async closeDocs(): Promise<void> {
|
|
if (this._docManager) {
|
|
return this._docManager.shutdownAll();
|
|
}
|
|
}
|
|
|
|
public addGoogleAuthEndpoint() {
|
|
if (this._check('google-auth')) { return; }
|
|
const messagePage = makeMessagePage(getAppPathTo(this.appRoot, 'static'));
|
|
addGoogleAuthEndpoint(this.app, messagePage);
|
|
}
|
|
|
|
// Get the HTML template sent for document pages.
|
|
public async getDocTemplate(): Promise<DocTemplate> {
|
|
const page = await fse.readFile(path.join(getAppPathTo(this.appRoot, 'static'),
|
|
'app.html'), 'utf8');
|
|
return {
|
|
page,
|
|
tag: this.tag
|
|
};
|
|
}
|
|
|
|
public getTag(): string {
|
|
return this.tag;
|
|
}
|
|
|
|
/**
|
|
* Make sure external storage of all docs is up to date.
|
|
*/
|
|
public async testFlushDocs() {
|
|
const assignments = await this._docWorkerMap.getAssignments(this.worker.id);
|
|
for (const assignment of assignments) {
|
|
await this._storageManager.flushDoc(assignment);
|
|
}
|
|
}
|
|
|
|
// Adds endpoints that support imports and exports.
|
|
private _addSupportPaths(docAccessMiddleware: express.RequestHandler[]) {
|
|
if (!this._docWorker) { throw new Error("need DocWorker"); }
|
|
|
|
const basicMiddleware = [this._userIdMiddleware, this.tagChecker.requireTag];
|
|
|
|
// Add the handling for the /upload route. Most uploads are meant for a DocWorker: they are put
|
|
// in temporary files, and the DocWorker needs to be on the same machine to have access to them.
|
|
// This doesn't check for doc access permissions because the request isn't tied to a document.
|
|
addUploadRoute(this, this.app, this._trustOriginsMiddleware, ...basicMiddleware);
|
|
|
|
this.app.get('/attachment', ...docAccessMiddleware,
|
|
expressWrap(async (req, res) => this._docWorker.getAttachment(req, res)));
|
|
}
|
|
|
|
private _check(part: string, ...precedents: Array<string|null>) {
|
|
if (this.deps.has(part)) { return true; }
|
|
for (const precedent of precedents) {
|
|
if (!precedent) { continue; }
|
|
if (precedent[0] === '!') {
|
|
const antecedent = precedent.slice(1);
|
|
if (this._has(antecedent)) {
|
|
throw new Error(`${part} is needed before ${antecedent}`);
|
|
}
|
|
} else if (!this._has(precedent)) {
|
|
throw new Error(`${precedent} is needed before ${part}`);
|
|
}
|
|
}
|
|
this.deps.add(part);
|
|
return false;
|
|
}
|
|
|
|
private _has(part: string) {
|
|
return this.deps.has(part);
|
|
}
|
|
|
|
private async _addSelfAsWorker(workers: IDocWorkerMap): Promise<string> {
|
|
try {
|
|
this._healthy = true;
|
|
// Check if this is the first time calling this method. In production,
|
|
// it always will be. In testing, we may disconnect and reconnect the
|
|
// worker. We only need to determine docWorkerId and this.worker once.
|
|
if (!this.worker) {
|
|
|
|
if (process.env.GRIST_ROUTER_URL) {
|
|
// register ourselves with the load balancer first.
|
|
const w = await this.createWorkerUrl();
|
|
const url = `${w.url}/v/${this.tag}/`;
|
|
// TODO: we could compute a distinct internal url here.
|
|
this.worker = {
|
|
id: w.host,
|
|
publicUrl: url,
|
|
internalUrl: url,
|
|
};
|
|
} else {
|
|
const url = (process.env.APP_DOC_URL || this.getOwnUrl()) + `/v/${this.tag}/`;
|
|
this.worker = {
|
|
// The worker id should be unique to this worker.
|
|
id: process.env.GRIST_DOC_WORKER_ID || `testDocWorkerId_${this.port}`,
|
|
publicUrl: url,
|
|
internalUrl: process.env.APP_DOC_INTERNAL_URL || url,
|
|
};
|
|
}
|
|
this.info.push(['docWorkerId', this.worker.id]);
|
|
|
|
if (process.env.GRIST_WORKER_GROUP) {
|
|
this.worker.group = process.env.GRIST_WORKER_GROUP;
|
|
}
|
|
} else {
|
|
if (process.env.GRIST_ROUTER_URL) {
|
|
await this.createWorkerUrl();
|
|
}
|
|
}
|
|
await workers.addWorker(this.worker);
|
|
await workers.setWorkerAvailability(this.worker.id, true);
|
|
} catch (err) {
|
|
this._healthy = false;
|
|
throw err;
|
|
}
|
|
return this.worker.id;
|
|
}
|
|
|
|
private async _removeSelfAsWorker(workers: IDocWorkerMap, docWorkerId: string) {
|
|
this._healthy = false;
|
|
await workers.removeWorker(docWorkerId);
|
|
if (process.env.GRIST_ROUTER_URL) {
|
|
await axios.get(process.env.GRIST_ROUTER_URL,
|
|
{params: {act: 'remove', port: this.getOwnPort()}});
|
|
log.info(`DocWorker unregistered itself via ${process.env.GRIST_ROUTER_URL}`);
|
|
}
|
|
}
|
|
|
|
// Called when server is shutting down. Save any state that needs saving, and
|
|
// disentangle ourselves from outside world.
|
|
private async _shutdown(): Promise<void> {
|
|
if (!this.worker) { return; }
|
|
if (!this._storageManager) { return; }
|
|
if (!this._docWorkerMap) { return; } // but this should never happen.
|
|
|
|
const workers = this._docWorkerMap;
|
|
|
|
// Pick up the pace on saving documents.
|
|
this._storageManager.prepareToCloseStorage();
|
|
|
|
// We urgently want to disable any new assignments.
|
|
await workers.setWorkerAvailability(this.worker.id, false);
|
|
|
|
// Enumerate the documents we are responsible for.
|
|
let assignments = await workers.getAssignments(this.worker.id);
|
|
let retries: number = 0;
|
|
while (assignments.length > 0 && retries < 3) {
|
|
await Promise.all(assignments.map(async assignment => {
|
|
log.info("FlexServer shutdown assignment", assignment);
|
|
try {
|
|
// Start sending the doc to S3 if needed.
|
|
const flushOp = this._storageManager.closeDocument(assignment);
|
|
|
|
// Get access to the clients of this document. This has the side
|
|
// effect of waiting for the ActiveDoc to finish initialization.
|
|
// This could include loading it from S3, an operation we could
|
|
// potentially abort as an optimization.
|
|
// TODO: abort any s3 loading as an optimization.
|
|
const docPromise = this._docManager.getActiveDoc(assignment);
|
|
const doc = docPromise && await docPromise;
|
|
|
|
await flushOp;
|
|
// At this instant, S3 and local document should be the same.
|
|
|
|
// We'd now like to make sure (synchronously) that:
|
|
// - we never output anything new to S3 about this document.
|
|
// - we never output anything new to user about this document.
|
|
// There could be asynchronous operations going on related to
|
|
// these documents, but if we can make sure that their effects
|
|
// do not reach the outside world then we can ignore them.
|
|
if (doc) {
|
|
doc.docClients.interruptAllClients();
|
|
doc.setMuted();
|
|
}
|
|
|
|
// Release this document for other workers to pick up.
|
|
// There is a small window of time here in which a client
|
|
// could reconnect to us. The muted ActiveDoc will result
|
|
// in them being dropped again.
|
|
await workers.releaseAssignment(this.worker.id, assignment);
|
|
} catch (err) {
|
|
log.info("problem dealing with assignment", assignment, err);
|
|
}
|
|
}));
|
|
// Check for any assignments that slipped through at the last minute.
|
|
assignments = await workers.getAssignments(this.worker.id);
|
|
retries++;
|
|
}
|
|
if (assignments.length > 0) {
|
|
log.error("FlexServer shutdown failed to release assignments:", assignments);
|
|
}
|
|
|
|
await this._removeSelfAsWorker(workers, this.worker.id);
|
|
try {
|
|
await this._docManager.shutdownAll();
|
|
} catch (err) {
|
|
log.error("FlexServer shutdown problem", err);
|
|
}
|
|
if (this._comm) {
|
|
this._comm.destroyAllClients();
|
|
}
|
|
log.info("FlexServer shutdown is complete");
|
|
}
|
|
|
|
/**
|
|
* Middleware that redirects a request with a userId but without an org to an org-specific URL,
|
|
* after looking up the first org for this userId in DB.
|
|
*/
|
|
private async _redirectToOrg(req: express.Request, resp: express.Response, next: express.NextFunction) {
|
|
const mreq = req as RequestWithLogin;
|
|
if (mreq.org || !mreq.userId) { return next(); }
|
|
|
|
// Redirect anonymous users to the merged org.
|
|
if (!mreq.userIsAuthorized) {
|
|
const redirectUrl = this.getMergedOrgUrl(mreq);
|
|
log.debug(`Redirecting anonymous user to: ${redirectUrl}`);
|
|
return resp.redirect(redirectUrl);
|
|
}
|
|
|
|
// We have a userId, but the request is for an unknown org. Redirect to an org that's
|
|
// available to the user. This matters in dev, and in prod when visiting a generic URL, which
|
|
// will here redirect to e.g. the user's personal org.
|
|
const result = await this._dbManager.getMergedOrgs(mreq.userId, mreq.userId, null);
|
|
const orgs = (result.status === 200) ? result.data : null;
|
|
const subdomain = orgs && orgs.length > 0 ? orgs[0].domain : null;
|
|
const redirectUrl = subdomain && this._getOrgRedirectUrl(mreq, subdomain);
|
|
if (redirectUrl) {
|
|
log.debug(`Redirecting userId ${mreq.userId} to: ${redirectUrl}`);
|
|
return resp.redirect(redirectUrl);
|
|
}
|
|
next();
|
|
}
|
|
|
|
/**
|
|
* Given a Request and a desired subdomain, returns a URL for a similar request that specifies that
|
|
* subdomain either in the hostname or in the path. Optionally passing pathname overrides url's
|
|
* path.
|
|
*/
|
|
private _getOrgRedirectUrl(req: RequestWithLogin, subdomain: string, pathname: string = req.originalUrl): string {
|
|
const config = this.getGristConfig();
|
|
const {hostname, orgInPath} = getOrgUrlInfo(subdomain, req.get('host')!, config);
|
|
const redirectUrl = new URL(pathname, getOriginUrl(req));
|
|
if (hostname) {
|
|
redirectUrl.hostname = hostname;
|
|
}
|
|
if (orgInPath) {
|
|
redirectUrl.pathname = `/o/${orgInPath}` + redirectUrl.pathname;
|
|
}
|
|
return redirectUrl.href;
|
|
}
|
|
|
|
|
|
// Create and initialize the plugin manager
|
|
private async _addPluginManager() {
|
|
if (this._pluginManager) { return this._pluginManager; }
|
|
// Only used as {userRoot}/plugins as a place for plugins in addition to {appRoot}/plugins
|
|
const userRoot = path.resolve(process.env.GRIST_USER_ROOT || getAppPathTo(this.appRoot, '.grist'));
|
|
this.info.push(['userRoot', userRoot]);
|
|
|
|
const pluginManager = new PluginManager(this.appRoot, userRoot);
|
|
// `initialize()` is asynchronous and reads plugins manifests; if PluginManager is used before it
|
|
// finishes, it will act as if there are no plugins.
|
|
// ^ I think this comment was here to justify calling initialize without waiting for
|
|
// the result. I'm just going to wait, for determinism.
|
|
await pluginManager.initialize();
|
|
this._pluginManager = pluginManager;
|
|
return pluginManager;
|
|
}
|
|
|
|
// Serve the static app.html proxied for a document.
|
|
private _serveDocPage() {
|
|
// Serve the static app.html file.
|
|
// TODO: We should be the ones to fill in the base href here to ensure that the browser fetches
|
|
// the correct version of static files for this app.html.
|
|
this.app.get('/:docId/app.html', this._userIdMiddleware, expressWrap(async (req, res) => {
|
|
res.json(await this.getDocTemplate());
|
|
}));
|
|
}
|
|
|
|
private _getBilling(): IBilling {
|
|
if (!this._billing) {
|
|
if (!this._dbManager) { throw new Error("need dbManager"); }
|
|
this._billing = this.create.Billing(this._dbManager, this);
|
|
}
|
|
return this._billing;
|
|
}
|
|
|
|
// Check whether logger should skip a line. Careful, req and res are morgan-specific
|
|
// types, not Express.
|
|
private _shouldSkipRequestLogging(req: {url: string}, res: {statusCode: number}) {
|
|
if (req.url === '/status' && [200, 304].includes(res.statusCode) &&
|
|
this._healthCheckCounter > HEALTH_CHECK_LOG_SHOW_FIRST_N &&
|
|
this._healthCheckCounter % HEALTH_CHECK_LOG_SHOW_EVERY_N !== 1) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private _createServers() {
|
|
// Start the app.
|
|
const server = configServer(http.createServer(this.app));
|
|
let httpsServer;
|
|
if (TEST_HTTPS_OFFSET) {
|
|
const certFile = process.env.GRIST_TEST_SSL_CERT;
|
|
const privateKeyFile = process.env.GRIST_TEST_SSL_KEY;
|
|
if (!certFile) { throw new Error('Set GRIST_TEST_SSL_CERT to location of certificate file'); }
|
|
if (!privateKeyFile) { throw new Error('Set GRIST_TEST_SSL_KEY to location of private key file'); }
|
|
log.debug(`https support: reading cert from ${certFile}`);
|
|
log.debug(`https support: reading private key from ${privateKeyFile}`);
|
|
httpsServer = configServer(https.createServer({
|
|
key: fse.readFileSync(privateKeyFile, 'utf8'),
|
|
cert: fse.readFileSync(certFile, 'utf8'),
|
|
}, this.app));
|
|
}
|
|
return {server, httpsServer};
|
|
}
|
|
|
|
private async _startServers(server: http.Server, httpsServer: https.Server|undefined,
|
|
name: string, port: number, verbose: boolean) {
|
|
await listenPromise(server.listen(port, this.host));
|
|
if (verbose) { log.info(`${name} available at ${this.host}:${port}`); }
|
|
if (TEST_HTTPS_OFFSET && httpsServer) {
|
|
const httpsPort = port + TEST_HTTPS_OFFSET;
|
|
await listenPromise(httpsServer.listen(httpsPort, this.host));
|
|
if (verbose) { log.info(`${name} available at https://${this.host}:${httpsPort}`); }
|
|
}
|
|
}
|
|
|
|
private async _recordNewUserInfo(row: object) {
|
|
const urlId = DOC_ID_NEW_USER_INFO;
|
|
// If nowhere to record data, return immediately.
|
|
if (!urlId) { return; }
|
|
let body: string|undefined;
|
|
let permitKey: string|undefined;
|
|
try {
|
|
body = JSON.stringify(mapValues(row, value => [value]));
|
|
|
|
// Take an extra step to translate the special urlId to a docId. This is helpful to
|
|
// allow the same urlId to be used in production and in test. We need the docId for the
|
|
// specialPermit below, which we need to be able to write to this doc.
|
|
//
|
|
// TODO With proper forms support, we could give an origin-based permission to submit a
|
|
// form to this doc, and do it from the client directly.
|
|
const previewerUserId = this._dbManager.getPreviewerUserId();
|
|
const docAuth = await this._dbManager.getDocAuthCached({urlId, userId: previewerUserId});
|
|
const docId = docAuth.docId;
|
|
if (!docId) {
|
|
throw new Error(`Can't resolve ${urlId}: ${docAuth.error}`);
|
|
}
|
|
|
|
permitKey = await this._internalPermitStore.setPermit({docId});
|
|
const res = await fetch(await this.getHomeUrlByDocId(docId, `/api/docs/${docId}/tables/Responses/data`), {
|
|
method: 'POST',
|
|
headers: {'Permit': permitKey, 'Content-Type': 'application/json'},
|
|
body,
|
|
});
|
|
if (res.status !== 200) {
|
|
throw new Error(`API call failed with ${res.status}`);
|
|
}
|
|
} finally {
|
|
if (permitKey) {
|
|
await this._internalPermitStore.removePermit(permitKey);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns the passed-in server, with some options adjusted. Specifically, removes the default
|
|
* socket timeout.
|
|
*/
|
|
function configServer<T extends https.Server|http.Server>(server: T): T {
|
|
// Remove the socket timeout, which causes node to close socket for long-running requests
|
|
// (like imports), triggering browser retry. (The default is 2 min; removed starting node v13.)
|
|
// See also https://nodejs.org/docs/latest-v10.x/api/http.html#http_server_settimeout_msecs_callback.)
|
|
server.setTimeout(0);
|
|
|
|
// The server's keepAlive timeout should be longer than the load-balancer's. Otherwise LB will
|
|
// produce occasional 502 errors when it sends a request to node just as node closes a
|
|
// connection. See https://adamcrowder.net/posts/node-express-api-and-aws-alb-502/.
|
|
const lbTimeoutSec = 300;
|
|
|
|
// Ensure all inactive connections are terminated by the ALB, by setting this a few seconds
|
|
// higher than the ALB idle timeout
|
|
server.keepAliveTimeout = (lbTimeoutSec + 5) * 1000;
|
|
|
|
// Ensure the headersTimeout is set higher than the keepAliveTimeout due to this nodejs
|
|
// regression bug: https://github.com/nodejs/node/issues/27363
|
|
server.headersTimeout = (lbTimeoutSec + 6) * 1000;
|
|
|
|
log.info("Server timeouts: keepAliveTimeout %s headersTimeout %s",
|
|
server.keepAliveTimeout, server.headersTimeout);
|
|
|
|
return server;
|
|
}
|
|
|
|
// Returns true if environment is configured to allow unauthenticated test logins.
|
|
function allowTestLogin() {
|
|
return Boolean(process.env.GRIST_TEST_LOGIN);
|
|
}
|
|
|
|
// Check OPTIONS requests for allowed origins, and return heads to allow the browser to proceed
|
|
// with a POST (or other method) request.
|
|
function trustOriginHandler(req: express.Request, res: express.Response, next: express.NextFunction) {
|
|
res.header("Access-Control-Allow-Methods", "GET, PATCH, PUT, POST, DELETE, OPTIONS");
|
|
if (trustOrigin(req, res)) {
|
|
res.header("Access-Control-Allow-Credentials", "true");
|
|
res.header("Access-Control-Allow-Headers", "Authorization, Content-Type, X-Requested-With");
|
|
} else {
|
|
// Any origin is allowed, but if it isn't trusted, then we don't allow credentials,
|
|
// i.e. no Cookie or Authorization header.
|
|
res.header("Access-Control-Allow-Origin", "*");
|
|
res.header("Access-Control-Allow-Headers", "Content-Type, X-Requested-With");
|
|
if (req.get("Cookie") || req.get("Authorization")) {
|
|
// In practice we don't expect to actually reach this point,
|
|
// as the browser should not include credentials in preflight (OPTIONS) requests,
|
|
// and should block real requests with credentials based on the preflight response.
|
|
// But having this means not having to rely on our understanding of browsers and CORS too much.
|
|
throw new ApiError("Credentials not supported for cross-origin requests", 403);
|
|
}
|
|
}
|
|
if ('OPTIONS' === req.method) {
|
|
res.sendStatus(200);
|
|
} else {
|
|
next();
|
|
}
|
|
}
|
|
|
|
// Set Cache-Control header to "no-cache"
|
|
function noCaching(req: express.Request, res: express.Response, next: express.NextFunction) {
|
|
res.header("Cache-Control", "no-cache");
|
|
next();
|
|
}
|
|
|
|
// Methods that Electron app relies on.
|
|
export interface ElectronServerMethods {
|
|
importDoc(filepath: string): Promise<DocCreationInfo>;
|
|
onDocOpen(cb: (filePath: string) => void): void;
|
|
getUserConfig(): Promise<any>;
|
|
updateUserConfig(obj: any): Promise<void>;
|
|
onBackupMade(cb: () => void): void;
|
|
}
|