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mfa_session.ts
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mfa_session.ts
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/**
* @license
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AuthInternal } from '../model/auth';
import { MultiFactorSession } from '../model/public_types';
export const enum MultiFactorSessionType {
ENROLL = 'enroll',
SIGN_IN = 'signin'
}
interface SerializedMultiFactorSession {
multiFactorSession: {
idToken?: string;
pendingCredential?: string;
};
}
export class MultiFactorSessionImpl implements MultiFactorSession {
private constructor(
readonly type: MultiFactorSessionType,
readonly credential: string,
readonly auth?: AuthInternal,
) {}
static _fromIdtoken(idToken: string, auth?: AuthInternal): MultiFactorSessionImpl {
return new MultiFactorSessionImpl(MultiFactorSessionType.ENROLL, idToken, auth);
}
static _fromMfaPendingCredential(
mfaPendingCredential: string
): MultiFactorSessionImpl {
return new MultiFactorSessionImpl(
MultiFactorSessionType.SIGN_IN,
mfaPendingCredential
);
}
toJSON(): SerializedMultiFactorSession {
const key =
this.type === MultiFactorSessionType.ENROLL
? 'idToken'
: 'pendingCredential';
return {
multiFactorSession: {
[key]: this.credential
}
};
}
static fromJSON(
obj: Partial<SerializedMultiFactorSession>
): MultiFactorSessionImpl | null {
if (obj?.multiFactorSession) {
if (obj.multiFactorSession?.pendingCredential) {
return MultiFactorSessionImpl._fromMfaPendingCredential(
obj.multiFactorSession.pendingCredential
);
} else if (obj.multiFactorSession?.idToken) {
return MultiFactorSessionImpl._fromIdtoken(
obj.multiFactorSession.idToken
);
}
}
return null;
}
}