137 lines
4.0 KiB
JavaScript
137 lines
4.0 KiB
JavaScript
/*
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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 {ViewModel} from "./ViewModel";
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import {KeyType} from "../matrix/ssss/index";
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import {Status} from "./session/settings/KeyBackupViewModel";
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export class AccountSetupViewModel extends ViewModel {
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constructor(options) {
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super(options);
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this._accountSetup = options.accountSetup;
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this._dehydratedDevice = undefined;
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this._decryptDehydratedDeviceViewModel = undefined;
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if (this._accountSetup.encryptedDehydratedDevice) {
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this._decryptDehydratedDeviceViewModel = new DecryptDehydratedDeviceViewModel(this, dehydratedDevice => {
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this._dehydratedDevice = dehydratedDevice;
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this._decryptDehydratedDeviceViewModel = undefined;
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this.emitChange("deviceDecrypted");
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});
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}
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}
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get decryptDehydratedDeviceViewModel() {
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return this._decryptDehydratedDeviceViewModel;
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}
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get deviceDecrypted() {
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return !!this._dehydratedDevice;
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}
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get dehydratedDeviceId() {
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return this._accountSetup.encryptedDehydratedDevice.deviceId;
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}
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finish() {
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this._accountSetup.finish(this._dehydratedDevice);
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}
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}
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// this vm adopts the same shape as KeyBackupViewModel so the same view can be reused.
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class DecryptDehydratedDeviceViewModel extends ViewModel {
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constructor(accountSetupViewModel, decryptedCallback) {
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super(accountSetupViewModel.options);
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this._accountSetupViewModel = accountSetupViewModel;
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this._isBusy = false;
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this._status = Status.SetupWithRecoveryKey;
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this._error = undefined;
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this._decryptedCallback = decryptedCallback;
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}
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get decryptAction() {
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return this.i18n`Restore`;
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}
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get purpose() {
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return this.i18n`claim your dehydrated device`;
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}
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get offerDehydratedDeviceSetup() {
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return false;
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}
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get dehydratedDeviceId() {
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return this._accountSetupViewModel._dehydratedDevice?.deviceId;
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}
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get isBusy() {
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return this._isBusy;
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}
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get backupVersion() { return 0; }
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get status() {
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return this._status;
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}
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get error() {
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return this._error?.message;
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}
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showPhraseSetup() {
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if (this._status === Status.SetupWithRecoveryKey) {
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this._status = Status.SetupWithPassphrase;
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this.emitChange("status");
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}
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}
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showKeySetup() {
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if (this._status === Status.SetupWithPassphrase) {
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this._status = Status.SetupWithRecoveryKey;
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this.emitChange("status");
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}
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}
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async _enterCredentials(keyType, credential) {
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if (credential) {
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try {
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this._isBusy = true;
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this.emitChange("isBusy");
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const {encryptedDehydratedDevice} = this._accountSetupViewModel._accountSetup;
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const dehydratedDevice = await encryptedDehydratedDevice.decrypt(keyType, credential);
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this._decryptedCallback(dehydratedDevice);
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} catch (err) {
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console.error(err);
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this._error = err;
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this.emitChange("error");
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} finally {
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this._isBusy = false;
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this.emitChange("");
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}
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}
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}
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enterSecurityPhrase(passphrase) {
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this._enterCredentials(KeyType.Passphrase, passphrase);
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}
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enterSecurityKey(securityKey) {
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this._enterCredentials(KeyType.RecoveryKey, securityKey);
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}
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disable() {}
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}
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