"use strict";
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// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.AzurePipelinesCredential = void 0;
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exports.handleOidcResponse = handleOidcResponse;
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const errors_js_1 = require("../errors.js");
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const core_rest_pipeline_1 = require("@azure/core-rest-pipeline");
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const clientAssertionCredential_js_1 = require("./clientAssertionCredential.js");
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const identityClient_js_1 = require("../client/identityClient.js");
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const tenantIdUtils_js_1 = require("../util/tenantIdUtils.js");
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const logging_js_1 = require("../util/logging.js");
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const credentialName = "AzurePipelinesCredential";
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const logger = (0, logging_js_1.credentialLogger)(credentialName);
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const OIDC_API_VERSION = "7.1";
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/**
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* This credential is designed to be used in Azure Pipelines with service connections
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* as a setup for workload identity federation.
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*/
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class AzurePipelinesCredential {
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clientAssertionCredential;
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identityClient;
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/**
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* AzurePipelinesCredential supports Federated Identity on Azure Pipelines through Service Connections.
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* @param tenantId - tenantId associated with the service connection
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* @param clientId - clientId associated with the service connection
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* @param serviceConnectionId - Unique ID for the service connection, as found in the querystring's resourceId key
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* @param systemAccessToken - The pipeline's <see href="https://learn.microsoft.com/azure/devops/pipelines/build/variables?view=azure-devops%26tabs=yaml#systemaccesstoken">System.AccessToken</see> value.
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* @param options - The identity client options to use for authentication.
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*/
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constructor(tenantId, clientId, serviceConnectionId, systemAccessToken, options = {}) {
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if (!clientId) {
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throw new errors_js_1.CredentialUnavailableError(`${credentialName}: is unavailable. clientId is a required parameter.`);
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}
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if (!tenantId) {
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throw new errors_js_1.CredentialUnavailableError(`${credentialName}: is unavailable. tenantId is a required parameter.`);
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}
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if (!serviceConnectionId) {
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throw new errors_js_1.CredentialUnavailableError(`${credentialName}: is unavailable. serviceConnectionId is a required parameter.`);
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}
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if (!systemAccessToken) {
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throw new errors_js_1.CredentialUnavailableError(`${credentialName}: is unavailable. systemAccessToken is a required parameter.`);
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}
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// Allow these headers to be logged for troubleshooting by AzurePipelines.
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options.loggingOptions = {
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...options?.loggingOptions,
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additionalAllowedHeaderNames: [
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...(options.loggingOptions?.additionalAllowedHeaderNames ?? []),
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"x-vss-e2eid",
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"x-msedge-ref",
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],
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};
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this.identityClient = new identityClient_js_1.IdentityClient(options);
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(0, tenantIdUtils_js_1.checkTenantId)(logger, tenantId);
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logger.info(`Invoking AzurePipelinesCredential with tenant ID: ${tenantId}, client ID: ${clientId}, and service connection ID: ${serviceConnectionId}`);
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if (!process.env.SYSTEM_OIDCREQUESTURI) {
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throw new errors_js_1.CredentialUnavailableError(`${credentialName}: is unavailable. Ensure that you're running this task in an Azure Pipeline, so that following missing system variable(s) can be defined- "SYSTEM_OIDCREQUESTURI"`);
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}
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const oidcRequestUrl = `${process.env.SYSTEM_OIDCREQUESTURI}?api-version=${OIDC_API_VERSION}&serviceConnectionId=${serviceConnectionId}`;
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logger.info(`Invoking ClientAssertionCredential with tenant ID: ${tenantId}, client ID: ${clientId} and service connection ID: ${serviceConnectionId}`);
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this.clientAssertionCredential = new clientAssertionCredential_js_1.ClientAssertionCredential(tenantId, clientId, this.requestOidcToken.bind(this, oidcRequestUrl, systemAccessToken), options);
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}
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/**
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* Authenticates with Microsoft Entra ID and returns an access token if successful.
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* If authentication fails, a {@link CredentialUnavailableError} or {@link AuthenticationError} will be thrown with the details of the failure.
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*
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* @param scopes - The list of scopes for which the token will have access.
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* @param options - The options used to configure any requests this
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* TokenCredential implementation might make.
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*/
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async getToken(scopes, options) {
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if (!this.clientAssertionCredential) {
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const errorMessage = `${credentialName}: is unavailable. To use Federation Identity in Azure Pipelines, the following parameters are required -
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tenantId,
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clientId,
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serviceConnectionId,
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systemAccessToken,
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"SYSTEM_OIDCREQUESTURI".
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See the troubleshooting guide for more information: https://aka.ms/azsdk/js/identity/azurepipelinescredential/troubleshoot`;
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logger.error(errorMessage);
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throw new errors_js_1.CredentialUnavailableError(errorMessage);
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}
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logger.info("Invoking getToken() of Client Assertion Credential");
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return this.clientAssertionCredential.getToken(scopes, options);
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}
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/**
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*
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* @param oidcRequestUrl - oidc request url
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* @param systemAccessToken - system access token
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* @returns OIDC token from Azure Pipelines
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*/
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async requestOidcToken(oidcRequestUrl, systemAccessToken) {
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logger.info("Requesting OIDC token from Azure Pipelines...");
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logger.info(oidcRequestUrl);
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const request = (0, core_rest_pipeline_1.createPipelineRequest)({
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url: oidcRequestUrl,
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method: "POST",
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headers: (0, core_rest_pipeline_1.createHttpHeaders)({
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"Content-Type": "application/json",
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Authorization: `Bearer ${systemAccessToken}`,
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// Prevents the service from responding with a redirect HTTP status code (useful for automation).
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"X-TFS-FedAuthRedirect": "Suppress",
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}),
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});
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const response = await this.identityClient.sendRequest(request);
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return handleOidcResponse(response);
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}
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}
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exports.AzurePipelinesCredential = AzurePipelinesCredential;
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function handleOidcResponse(response) {
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// OIDC token is present in `bodyAsText` field
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const text = response.bodyAsText;
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if (!text) {
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logger.error(`${credentialName}: Authentication Failed. Received null token from OIDC request. Response status- ${response.status}. Complete response - ${JSON.stringify(response)}`);
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throw new errors_js_1.AuthenticationError(response.status, {
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error: `${credentialName}: Authentication Failed. Received null token from OIDC request.`,
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error_description: `${JSON.stringify(response)}. See the troubleshooting guide for more information: https://aka.ms/azsdk/js/identity/azurepipelinescredential/troubleshoot`,
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});
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}
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try {
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const result = JSON.parse(text);
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if (result?.oidcToken) {
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return result.oidcToken;
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}
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else {
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const errorMessage = `${credentialName}: Authentication Failed. oidcToken field not detected in the response.`;
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let errorDescription = ``;
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if (response.status !== 200) {
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errorDescription = `Response body = ${text}. Response Headers ["x-vss-e2eid"] = ${response.headers.get("x-vss-e2eid")} and ["x-msedge-ref"] = ${response.headers.get("x-msedge-ref")}. See the troubleshooting guide for more information: https://aka.ms/azsdk/js/identity/azurepipelinescredential/troubleshoot`;
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}
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logger.error(errorMessage);
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logger.error(errorDescription);
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throw new errors_js_1.AuthenticationError(response.status, {
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error: errorMessage,
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error_description: errorDescription,
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});
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}
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}
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catch (e) {
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const errorDetails = `${credentialName}: Authentication Failed. oidcToken field not detected in the response.`;
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logger.error(`Response from service = ${text}, Response Headers ["x-vss-e2eid"] = ${response.headers.get("x-vss-e2eid")}
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and ["x-msedge-ref"] = ${response.headers.get("x-msedge-ref")}, error message = ${e.message}`);
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logger.error(errorDetails);
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throw new errors_js_1.AuthenticationError(response.status, {
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error: errorDetails,
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error_description: `Response = ${text}. Response headers ["x-vss-e2eid"] = ${response.headers.get("x-vss-e2eid")} and ["x-msedge-ref"] = ${response.headers.get("x-msedge-ref")}. See the troubleshooting guide for more information: https://aka.ms/azsdk/js/identity/azurepipelinescredential/troubleshoot`,
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});
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}
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}
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//# sourceMappingURL=azurePipelinesCredential.js.map
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