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/** * 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 { JsonObject } from './common'; import { OAuth2Client } from 'google-auth-library'; /** * This class provides methods to process the auth header to streamline access to auth credentials. * * @hidden */ export declare class AuthHeaderProcessor { /** * Used to verify and decode GSI tokens. */ authClient: OAuth2Client; /** * Used to extract the token value from headers that contain a bearer token. */ static readonly bearerTypeTag = "Bearer "; constructor(); /** * Validates a GSI token using the provided client ID and returns the GSI token payload as * a json object. * @param gsiToken The GSI token to validate and decode. * @param clientId The Client ID to use for validation. * @returns The decoded token payload. */ decodeGSIToken(gsiToken: string, clientId: string): Promise<JsonObject>; /** * Extracts the token value from a bearer token, stripping the type tag 'Bearer '. * * @param authHeader The auth header to parse. * @returns The value of the token, or a null string if authHeader doesn't contain a bearer token. */ extractAccessToken(authHeader: string): string; }