mirror of
https://github.com/azure/login.git
synced 2026-06-06 04:47:05 +00:00
238 lines
11 KiB
TypeScript
238 lines
11 KiB
TypeScript
import * as core from '@actions/core';
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import * as exec from '@actions/exec';
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import { ExecOptions } from '@actions/exec/lib/interfaces';
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import * as io from '@actions/io';
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import { FormatType, SecretParser } from 'actions-secret-parser';
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import { ServicePrincipalLogin } from './PowerShell/ServicePrincipalLogin';
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var azPath: string;
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var prefix = !!process.env.AZURE_HTTP_USER_AGENT ? `${process.env.AZURE_HTTP_USER_AGENT}` : "";
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var azPSHostEnv = !!process.env.AZUREPS_HOST_ENVIRONMENT ? `${process.env.AZUREPS_HOST_ENVIRONMENT}` : "";
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async function main() {
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try {
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//Options for error handling
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let commandStdErr = false;
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const loginOptions: ExecOptions = {
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silent: true,
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ignoreReturnCode: true,
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failOnStdErr: true,
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listeners: {
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stderr: (data: Buffer) => {
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let error = data.toString();
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//removing the keyword 'ERROR' to avoid duplicates while throwing error
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if (error.toLowerCase().startsWith('error')) {
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error = error.slice(5);
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}
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// printing error
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if (error && error.trim().length !== 0) {
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commandStdErr = true;
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core.error(error);
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}
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}
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}
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}
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// Set user agent variable
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var isAzCLISuccess = false;
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let usrAgentRepo = `${process.env.GITHUB_REPOSITORY}`;
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let actionName = 'AzureLogin';
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let userAgentString = (!!prefix ? `${prefix}+` : '') + `GITHUBACTIONS/${actionName}@v1_${usrAgentRepo}`;
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let azurePSHostEnv = (!!azPSHostEnv ? `${azPSHostEnv}+` : '') + `GITHUBACTIONS/${actionName}@v1_${usrAgentRepo}`;
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core.exportVariable('AZURE_HTTP_USER_AGENT', userAgentString);
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core.exportVariable('AZUREPS_HOST_ENVIRONMENT', azurePSHostEnv);
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azPath = await io.which("az", true);
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core.debug(`az cli version used: ${azPath}`);
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let azureSupportedCloudName = new Set([
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"azureusgovernment",
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"azurechinacloud",
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"azuregermancloud",
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"azurecloud",
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"azurestack"]);
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let output: string = "";
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const execOptions: any = {
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listeners: {
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stdout: (data: Buffer) => {
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output += data.toString();
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}
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}
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};
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await executeAzCliCommand("--version", true, execOptions);
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core.debug(`az cli version used:\n${output}`);
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let creds = core.getInput('creds', { required: false });
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let secrets = creds ? new SecretParser(creds, FormatType.JSON) : null;
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let environment = core.getInput("environment").toLowerCase();
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const enableAzPSSession = core.getInput('enable-AzPSSession').toLowerCase() === "true";
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const allowNoSubscriptionsLogin = core.getInput('allow-no-subscriptions').toLowerCase() === "true";
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//Check for the credentials in individual parameters in the workflow.
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var servicePrincipalId = core.getInput('client-id', { required: false });
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var servicePrincipalKey = null;
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var tenantId = core.getInput('tenant-id', { required: false });
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var subscriptionId = core.getInput('subscription-id', { required: false });
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var resourceManagerEndpointUrl = "https://management.azure.com/";
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var enableOIDC = true;
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var federatedToken = null;
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// If any of the individual credentials (clent_id, tenat_id, subscription_id) is present.
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if (servicePrincipalId || tenantId || subscriptionId) {
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//If few of the individual credentials (clent_id, tenat_id, subscription_id) are missing in action inputs.
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if (!(servicePrincipalId && tenantId && (subscriptionId || allowNoSubscriptionsLogin)))
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throw new Error("Few credentials are missing. ClientId, tenantId are mandatory. SubscriptionId is also mandatory if allow-no-subscriptions is not set.");
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}
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else {
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if (creds) {
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core.debug('using creds JSON...');
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enableOIDC = false;
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servicePrincipalId = secrets.getSecret("$.clientId", true);
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servicePrincipalKey = secrets.getSecret("$.clientSecret", true);
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tenantId = secrets.getSecret("$.tenantId", true);
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subscriptionId = secrets.getSecret("$.subscriptionId", true);
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resourceManagerEndpointUrl = secrets.getSecret("$.resourceManagerEndpointUrl", false);
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}
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else {
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throw new Error("Credentials are not passed for Login action.");
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}
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}
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//generic checks
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//servicePrincipalKey is only required in non-oidc scenario.
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if (!servicePrincipalId || !tenantId || !(servicePrincipalKey || enableOIDC)) {
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throw new Error("Not all values are present in the credentials. Ensure clientId, clientSecret and tenantId are supplied.");
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}
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if (!subscriptionId && !allowNoSubscriptionsLogin) {
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throw new Error("Not all values are present in the credentials. Ensure subscriptionId is supplied.");
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}
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if (!azureSupportedCloudName.has(environment)) {
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throw new Error("Unsupported value for environment is passed.The list of supported values for environment are ‘azureusgovernment', ‘azurechinacloud’, ‘azuregermancloud’, ‘azurecloud’ or ’azurestack’");
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}
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// OIDC specific checks
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if (enableOIDC) {
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console.log('Using OIDC authentication...')
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//generating ID-token
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let audience = core.getInput('audience', { required: false });
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federatedToken = await core.getIDToken(audience);
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if (!!federatedToken) {
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if (environment != "azurecloud")
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throw new Error(`Your current environment - "${environment}" is not supported for OIDC login.`);
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let [issuer, subjectClaim] = await jwtParser(federatedToken);
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console.log("Federated token details: \n issuer - " + issuer + " \n subject claim - " + subjectClaim);
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}
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else {
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throw new Error("Could not get ID token for authentication.");
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}
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}
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// Attempting Az cli login
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if (environment == "azurestack") {
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if (!resourceManagerEndpointUrl) {
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throw new Error("resourceManagerEndpointUrl is a required parameter when environment is defined.");
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}
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console.log(`Unregistering cloud: "${environment}" first if it exists`);
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try {
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await executeAzCliCommand(`cloud set -n AzureCloud`, true);
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await executeAzCliCommand(`cloud unregister -n "${environment}"`, false);
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}
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catch (error) {
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console.log(`Ignore cloud not registered error: "${error}"`);
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}
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console.log(`Registering cloud: "${environment}" with ARM endpoint: "${resourceManagerEndpointUrl}"`);
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try {
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let baseUri = resourceManagerEndpointUrl;
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if (baseUri.endsWith('/')) {
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baseUri = baseUri.substring(0, baseUri.length - 1); // need to remove trailing / from resourceManagerEndpointUrl to correctly derive suffixes below
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}
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let suffixKeyvault = ".vault" + baseUri.substring(baseUri.indexOf('.')); // keyvault suffix starts with .
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let suffixStorage = baseUri.substring(baseUri.indexOf('.') + 1); // storage suffix starts without .
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let profileVersion = "2019-03-01-hybrid";
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await executeAzCliCommand(`cloud register -n "${environment}" --endpoint-resource-manager "${resourceManagerEndpointUrl}" --suffix-keyvault-dns "${suffixKeyvault}" --suffix-storage-endpoint "${suffixStorage}" --profile "${profileVersion}"`, false);
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}
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catch (error) {
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core.error(`Error while trying to register cloud "${environment}": "${error}"`);
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}
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console.log(`Done registering cloud: "${environment}"`)
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}
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await executeAzCliCommand(`cloud set -n "${environment}"`, false);
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console.log(`Done setting cloud: "${environment}"`);
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// Attempting Az cli login
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var commonArgs = ["--service-principal",
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"-u", servicePrincipalId,
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"--tenant", tenantId
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];
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if (allowNoSubscriptionsLogin) {
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commonArgs = commonArgs.concat("--allow-no-subscriptions");
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}
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if (enableOIDC) {
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commonArgs = commonArgs.concat("--federated-token", federatedToken);
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}
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else {
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commonArgs = commonArgs.concat("-p", servicePrincipalKey);
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}
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await executeAzCliCommand(`login`, true, loginOptions, commonArgs);
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if (!allowNoSubscriptionsLogin) {
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var args = [
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"--subscription",
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subscriptionId
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];
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await executeAzCliCommand(`account set`, true, loginOptions, args);
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}
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isAzCLISuccess = true;
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if (enableAzPSSession) {
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// Attempting Az PS login
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console.log(`Running Azure PS Login`);
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var spnlogin: ServicePrincipalLogin;
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spnlogin = new ServicePrincipalLogin(
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servicePrincipalId,
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servicePrincipalKey,
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federatedToken,
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tenantId,
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subscriptionId,
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allowNoSubscriptionsLogin,
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environment,
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resourceManagerEndpointUrl);
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await spnlogin.initialize();
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await spnlogin.login();
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}
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console.log("Login successful.");
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}
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catch (error) {
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if (!isAzCLISuccess) {
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core.setFailed("Az CLI Login failed. Please check the credentials. For more information refer https://aka.ms/create-secrets-for-GitHub-workflows");
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}
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else {
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core.setFailed(`Azure PowerShell Login failed. Please check the credentials. For more information refer https://aka.ms/create-secrets-for-GitHub-workflows"`);
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}
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}
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finally {
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// Reset AZURE_HTTP_USER_AGENT
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core.exportVariable('AZURE_HTTP_USER_AGENT', prefix);
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core.exportVariable('AZUREPS_HOST_ENVIRONMENT', azPSHostEnv);
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}
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}
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async function executeAzCliCommand(
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command: string,
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silent?: boolean,
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execOptions: any = {},
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args: any = []) {
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execOptions.silent = !!silent;
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await exec.exec(`"${azPath}" ${command}`, args, execOptions);
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}
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async function jwtParser(federatedToken: string) {
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let tokenPayload = federatedToken.split('.')[1];
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let bufferObj = Buffer.from(tokenPayload, "base64");
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let decodedPayload = JSON.parse(bufferObj.toString("utf8"));
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return [decodedPayload['iss'], decodedPayload['sub']];
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}
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main();
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