79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
/*! @azure/msal-common v14.4.0 2023-11-07 */
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'use strict';
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import { Constants } from './Constants.mjs';
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import { createClientAuthError } from '../error/ClientAuthError.mjs';
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import { noCryptoObject, invalidState } from '../error/ClientAuthErrorCodes.mjs';
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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/**
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* Class which provides helpers for OAuth 2.0 protocol specific values
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*/
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class ProtocolUtils {
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/**
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* Appends user state with random guid, or returns random guid.
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* @param userState
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* @param randomGuid
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*/
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static setRequestState(cryptoObj, userState, meta) {
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const libraryState = ProtocolUtils.generateLibraryState(cryptoObj, meta);
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return userState
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? `${libraryState}${Constants.RESOURCE_DELIM}${userState}`
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: libraryState;
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}
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/**
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* Generates the state value used by the common library.
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* @param randomGuid
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* @param cryptoObj
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*/
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static generateLibraryState(cryptoObj, meta) {
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if (!cryptoObj) {
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throw createClientAuthError(noCryptoObject);
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}
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// Create a state object containing a unique id and the timestamp of the request creation
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const stateObj = {
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id: cryptoObj.createNewGuid(),
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};
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if (meta) {
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stateObj.meta = meta;
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}
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const stateString = JSON.stringify(stateObj);
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return cryptoObj.base64Encode(stateString);
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}
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/**
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* Parses the state into the RequestStateObject, which contains the LibraryState info and the state passed by the user.
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* @param state
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* @param cryptoObj
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*/
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static parseRequestState(cryptoObj, state) {
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if (!cryptoObj) {
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throw createClientAuthError(noCryptoObject);
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}
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if (!state) {
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throw createClientAuthError(invalidState);
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}
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try {
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// Split the state between library state and user passed state and decode them separately
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const splitState = state.split(Constants.RESOURCE_DELIM);
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const libraryState = splitState[0];
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const userState = splitState.length > 1
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? splitState.slice(1).join(Constants.RESOURCE_DELIM)
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: Constants.EMPTY_STRING;
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const libraryStateString = cryptoObj.base64Decode(libraryState);
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const libraryStateObj = JSON.parse(libraryStateString);
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return {
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userRequestState: userState || Constants.EMPTY_STRING,
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libraryState: libraryStateObj,
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};
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}
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catch (e) {
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throw createClientAuthError(invalidState);
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}
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}
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}
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export { ProtocolUtils };
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//# sourceMappingURL=ProtocolUtils.mjs.map
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