123 lines
4.8 KiB
TypeScript
123 lines
4.8 KiB
TypeScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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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 type {HomeServerApi} from "../net/HomeServerApi";
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import type {BaseRegistrationStage} from "./stages/BaseRegistrationStage";
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import {DummyAuth} from "./stages/DummyAuth";
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import {TermsAuth} from "./stages/TermsAuth";
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import {TokenAuth} from "./stages/TokenAuth";
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import type {
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AccountDetails,
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RegistrationFlow,
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RegistrationResponseMoreDataNeeded,
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RegistrationResponse,
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RegistrationResponseSuccess,
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RegistrationParams,
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} from "./types";
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type FlowSelector = (flows: RegistrationFlow[]) => RegistrationFlow | void;
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export class Registration {
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private readonly _hsApi: HomeServerApi;
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private readonly _accountDetails: AccountDetails;
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private readonly _flowSelector: FlowSelector;
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private _sessionInfo?: RegistrationResponseSuccess
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constructor(hsApi: HomeServerApi, accountDetails: AccountDetails, flowSelector?: FlowSelector) {
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this._hsApi = hsApi;
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this._accountDetails = accountDetails;
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this._flowSelector = flowSelector ?? (flows => flows[0]);
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}
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async start(): Promise<BaseRegistrationStage> {
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const response = await this._hsApi.register(
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this._accountDetails.username,
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this._accountDetails.password,
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this._accountDetails.initialDeviceDisplayName,
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undefined,
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this._accountDetails.inhibitLogin).response();
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return this.parseStagesFromResponse(response);
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}
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/**
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* Finish a registration stage, return value is:
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* - the next stage if this stage was completed successfully
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* - undefined if registration is completed
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*/
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async submitStage(stage: BaseRegistrationStage): Promise<BaseRegistrationStage | undefined> {
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const auth = stage.generateAuthenticationData();
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const { username, password, initialDeviceDisplayName, inhibitLogin } = this._accountDetails;
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const request = this._hsApi.register(username, password, initialDeviceDisplayName, auth, inhibitLogin);
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const response = await request.response();
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const status = await request.responseCode();
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const registrationResponse: RegistrationResponse = { ...response, status };
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return this.parseRegistrationResponse(registrationResponse, stage);
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}
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private parseStagesFromResponse(response: RegistrationResponseMoreDataNeeded): BaseRegistrationStage {
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const { session, params } = response;
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const flow = this._flowSelector(response.flows);
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if (!flow) {
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throw new Error("flowSelector did not return any flow!");
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}
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let firstStage: BaseRegistrationStage | undefined;
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let lastStage: BaseRegistrationStage | undefined;
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for (const stage of flow.stages) {
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const registrationStage = this._createRegistrationStage(stage, session, params);
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if (!firstStage) {
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firstStage = registrationStage;
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lastStage = registrationStage;
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} else {
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lastStage!.setNextStage(registrationStage);
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lastStage = registrationStage;
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}
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}
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return firstStage!;
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}
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private async parseRegistrationResponse(response: RegistrationResponse, currentStage: BaseRegistrationStage) {
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switch (response.status) {
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case 200:
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this._sessionInfo = response;
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return undefined;
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case 401:
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if (response.completed?.includes(currentStage.type)) {
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return currentStage.nextStage;
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}
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else {
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throw new Error("This stage could not be completed!");
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}
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}
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}
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private _createRegistrationStage(type: string, session: string, params?: RegistrationParams) {
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switch (type) {
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case "m.login.dummy":
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return new DummyAuth(session, params?.[type]);
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case "m.login.terms":
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return new TermsAuth(session, params?.[type]);
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case "org.matrix.msc3231.login.registration_token":
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case "m.login.registration_token":
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return new TokenAuth(session, params?.[type], type);
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default:
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throw new Error(`Unknown stage: ${type}`);
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}
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}
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get sessionInfo(): RegistrationResponseSuccess | undefined {
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return this._sessionInfo;
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}
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}
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