124 lines
4.3 KiB
JavaScript
124 lines
4.3 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {ViewModel} from "./ViewModel.js";
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import {SessionLoadViewModel} from "./SessionLoadViewModel.js";
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function normalizeHomeserver(homeServer) {
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try {
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return new URL(homeServer).origin;
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} catch (err) {
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return new URL(`https://${homeServer}`).origin;
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}
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}
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export class LoginViewModel extends ViewModel {
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constructor(options) {
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super(options);
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const {ready, defaultHomeServer, createSessionContainer} = options;
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this._createSessionContainer = createSessionContainer;
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this._ready = ready;
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this._defaultHomeServer = defaultHomeServer;
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this._sessionContainer = null;
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this._loadViewModel = null;
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this._loadViewModelSubscription = null;
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this._supportsSSOLogin = false;
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this.queryLogin();
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}
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get defaultHomeServer() { return this._defaultHomeServer; }
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get loadViewModel() {return this._loadViewModel; }
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get isBusy() {
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if (!this._loadViewModel) {
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return false;
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} else {
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return this._loadViewModel.loading;
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}
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}
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async queryLogin(homeServer = this.defaultHomeServer) {
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// See if we support SSO, if so shows SSO link
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/* For this, we'd need to poll queryLogin before we do login()
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*/
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if (!this._sessionContainer) {
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this._sessionContainer = this._createSessionContainer();
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}
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const normalizedHS = normalizeHomeserver(homeServer);
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try {
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this.loginOptions = await this._sessionContainer.queryLogin(normalizedHS);
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this._supportsSSOLogin = !!this.loginOptions.sso;
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}
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catch (e) {
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// Something went wrong, assume SSO is not supported
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this._supportsSSOLogin = false;
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console.error("Could not query login methods supported by the homeserver");
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}
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this.emitChange("supportsSSOLogin");
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}
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queryLoginFromInput() {
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const homeServer = document.querySelector("#homeserver").value;
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this.queryLogin(homeServer);
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}
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async login(username, password, homeserver) {
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this._loadViewModelSubscription = this.disposeTracked(this._loadViewModelSubscription);
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if (this._loadViewModel) {
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this._loadViewModel = this.disposeTracked(this._loadViewModel);
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}
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this._loadViewModel = this.track(new SessionLoadViewModel(this.childOptions({
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createAndStartSessionContainer: async () => {
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if (this.loginOptions.password) {
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this._sessionContainer.startWithLogin(this.loginOptions.password(username, password));
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}
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return this._sessionContainer;
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},
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ready: sessionContainer => {
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// make sure we don't delete the session in dispose when navigating away
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this._sessionContainer = null;
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this._ready(sessionContainer);
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},
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homeserver,
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})));
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this._loadViewModel.start();
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this.emitChange("loadViewModel");
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this._loadViewModelSubscription = this.track(this._loadViewModel.disposableOn("change", () => {
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if (!this._loadViewModel.loading) {
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this._loadViewModelSubscription = this.disposeTracked(this._loadViewModelSubscription);
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}
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this.emitChange("isBusy");
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}));
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}
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get cancelUrl() {
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return this.urlCreator.urlForSegment("session");
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}
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get supportsSSOLogin() {
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return this._supportsSSOLogin;
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}
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dispose() {
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super.dispose();
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if (this._sessionContainer) {
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// if we move away before we're done with initial sync
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// delete the session
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this._sessionContainer.deleteSession();
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}
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}
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}
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