gristlabs_grist-core/app/server/lib/MinimalLogin.ts

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import { UserProfile } from 'app/common/UserAPI';
import { GristLoginMiddleware, GristServer } from 'app/server/lib/GristServer';
import { Request } from 'express';
/**
* Return a login system that supports a single hard-coded user.
*/
export async function getMinimalLoginMiddleware(gristServer: GristServer): Promise<GristLoginMiddleware> {
// Login and logout, redirecting immediately back. Signup is treated as login,
// no nuance here.
return {
async getLoginRedirectUrl(req: Request, url: URL) {
await setSingleUser(req, gristServer);
return url.href;
},
async getLogoutRedirectUrl(req: Request, url: URL) {
return url.href;
},
async getSignUpRedirectUrl(req: Request, url: URL) {
await setSingleUser(req, gristServer);
return url.href;
},
async addEndpoints() {
// If working without a login system, make sure default user exists.
const dbManager = gristServer.getHomeDBManager();
const profile = getDefaultProfile();
const user = await dbManager.getUserByLoginWithRetry(profile.email, profile);
if (user) {
// No need to survey this user!
user.isFirstTimeUser = false;
await user.save();
}
return "no-logins";
}
};
}
/**
* Set the user in the current session to the single hard-coded user.
*/
async function setSingleUser(req: Request, gristServer: GristServer) {
const scopedSession = gristServer.getSessions().getOrCreateSessionFromRequest(req);
await scopedSession.operateOnScopedSession(async (user) => Object.assign(user, {
profile: getDefaultProfile()
}));
}
function getDefaultProfile(): UserProfile {
return {
email: process.env.GRIST_DEFAULT_EMAIL || 'you@example.com',
name: 'You',
};
}