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96 lines
3.5 KiB
JavaScript

"use strict";
const Promise = require("bluebird");
const defaultValue = require("default-value");
const expressPromiseRouter = require("express-promise-router");
const errors = require("../../../errors");
const validate = require("../../../middlewares/validate-payload");
const processDeviceID = require("../../../process-device-id");
module.exports = function(state) {
const userInteractiveAuthentication = require("../../../middlewares/user-interactive-authentication")(state);
let { db, knex, configuration, fullyQualifyUser } = state;
let router = expressPromiseRouter();
function validateRegisterPayload(payload) {
let {assertProperties, isPresent, isString, isOneOf, isBoolean} = require("../../../validator-lib");
assertProperties(payload, {
kind: [ isOneOf("user", "guest") ],
device_id: [ isString ],
initial_device_display_name: [ isString ],
username: [ isPresent, isString, (username) => {
if (!/^[a-z0-9._=/-]+$/.test(username)) {
throw new errors.InvalidUsername("Usernames may only contain a-z, 0-9, and . _ = - /");
} else if (username.startsWith("_")) {
throw new errors.ExclusiveResource("Usernames starting with _ are reserved for bridges");
}
} ],
password: [ isPresent, isString ], /* FIXME: Password strength */
inhibit_login: [ isBoolean ],
bind_email: [ isBoolean ]
});
}
let registerUIAMiddleware = userInteractiveAuthentication({
/* FIXME: Modify settings based on eg. CAPTCHAs being enabled */
required: false,
flows: [
{ stages: [ "m.login.dummy" ] }
]
});
router.post("/r0/register", registerUIAMiddleware, validate(validateRegisterPayload), (req, res) => {
// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-register
// Register for an account on this homeserver. This API endpoint uses the User-Interactive Authentication API.
/* FIXME: Rate-limit */
if (req.body.kind === "guest") {
/* TODO: Re-evaluate this, once it becomes clearer how to deal with guest users and peeking across federation (ref. https://github.com/matrix-org/matrix-doc/pull/1777) */
throw new errors.Forbidden("Guest registrations are disabled on this server");
} else {
let inhibitLogin = defaultValue(req.body.inhibit_login, false);
/* FILEBUG: Default for bind_email is not clearly specified in spec */
/* FIXME: Actually implement e-mail binding on identity server */
let bindEmail = defaultValue(req.body.bind_email, false);
let deviceId = processDeviceID(req.body.deviceID);
return knex.transaction((transaction) => {
return Promise.try(() => {
return db.users.create({
type: "user",
username: req.body.username,
password: req.body.password
}, transaction);
}).then((user) => {
return Promise.try(() => {
if (!inhibitLogin) {
return db.devices.createDeviceSession({
name: req.body.initial_device_display_name,
deviceId: deviceId,
userId: user.id
}, transaction);
}
}).then((device) => {
let sessionDetails = (device != null)
? { access_token: device.token, device_id: device.device_id }
: {};
res.send({
user_id: fullyQualifyUser(user.username),
home_server: configuration.hostname,
...sessionDetails
});
});
});
}).catch({ name: "UniqueConstraintViolationError", table: "users", column: "username" }, (_error) => {
throw new errors.UserExists("That username is already taken");
});
}
});
return router;
}