Added OIDC support for login action

action.yml

@@ -4,7 +4,16 @@ description: 'Authenticate to Azure and run your Az CLI or Az
 inputs: 
   creds:
     description: 'Paste output of `az ad sp create-for-rbac` as value of secret variable: AZURE_CREDENTIALS'
-    required: true
+    required: false
+  client-id:
+    description: 'ClientId of the Azure Service principal created.'
+    required: false
+  tenant-id:
+    description: 'TenantId of the Azure Service principal created.'
+    required: false
+  subscription-id:
+    description: 'Azure subscriptionId'
+    required: false
   enable-AzPSSession: 
     description: 'Set this value to true to enable Azure PowerShell Login in addition to Az CLI login'
     required: false

lib/PowerShell/ServicePrincipalLogin.js

@@ -1,4 +1,23 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -8,17 +27,11 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.ServicePrincipalLogin = void 0;
 const core = __importStar(require("@actions/core"));
 const Utils_1 = __importDefault(require("./Utilities/Utils"));
 const PowerShellToolRunner_1 = __importDefault(require("./Utilities/PowerShellToolRunner"));

lib/PowerShell/Utilities/PowerShellToolRunner.js

@@ -1,4 +1,23 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -8,13 +27,6 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 const io = __importStar(require("@actions/io"));
 const exec = __importStar(require("@actions/exec"));

lib/PowerShell/Utilities/ScriptBuilder.js

@@ -1,9 +1,21 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
     return result;
 };
 var __importDefault = (this && this.__importDefault) || function (mod) {

lib/PowerShell/Utilities/Utils.js

@@ -1,4 +1,23 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -8,13 +27,6 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };

lib/main.js

@@ -1,4 +1,23 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -8,13 +27,6 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
 const exec = __importStar(require("@actions/exec"));
@@ -36,6 +48,7 @@ function main() {
             core.exportVariable('AZURE_HTTP_USER_AGENT', userAgentString);
             core.exportVariable('AZUREPS_HOST_ENVIRONMENT', azurePSHostEnv);
             azPath = yield io.which("az", true);
+            core.debug(`az cli version used: ${azPath}`);
             let azureSupportedCloudName = new Set([
                 "azureusgovernment",
                 "azurechinacloud",
@@ -53,26 +66,68 @@ function main() {
             };
             yield executeAzCliCommand("--version", true, execOptions);
             core.debug(`az cli version used:\n${output}`);
-            let creds = core.getInput('creds', { required: true });
-            let secrets = new actions_secret_parser_1.SecretParser(creds, actions_secret_parser_1.FormatType.JSON);
-            let servicePrincipalId = secrets.getSecret("$.clientId", false);
-            let servicePrincipalKey = secrets.getSecret("$.clientSecret", true);
-            let tenantId = secrets.getSecret("$.tenantId", false);
-            let subscriptionId = secrets.getSecret("$.subscriptionId", false);
-            let resourceManagerEndpointUrl = secrets.getSecret("$.resourceManagerEndpointUrl", false);
+            let creds = core.getInput('creds', { required: false });
+            let secrets = creds ? new actions_secret_parser_1.SecretParser(creds, actions_secret_parser_1.FormatType.JSON) : null;
             let environment = core.getInput("environment").toLowerCase();
             const enableAzPSSession = core.getInput('enable-AzPSSession').toLowerCase() === "true";
             const allowNoSubscriptionsLogin = core.getInput('allow-no-subscriptions').toLowerCase() === "true";
-            if (!servicePrincipalId || !servicePrincipalKey || !tenantId) {
-                throw new Error("Not all values are present in the creds object. Ensure clientId, clientSecret and tenantId are supplied.");
+
+            //Check for the credentials in individual parameters in the workflow.
+            var servicePrincipalId = core.getInput('client-id', { required: false });
+            var servicePrincipalKey = null;
+            var tenantId = core.getInput('tenant-id', { required: false });
+            var subscriptionId = core.getInput('subscription-id', { required: false });
+            var resourceManagerEndpointUrl = "https://management.azure.com/";
+            var enableOIDC = true;
+
+            // If any of the individual credentials (clent_id, tenat_id, subscription_id) are  missing
+            if (!servicePrincipalId || !tenantId || !(subscriptionId || allowNoSubscriptionsLogin)) {
+                //If all of the individual credentials (clent_id, tenat_id, subscription_id) are missing in workflow inputs, checking for creds object.
+                if (!servicePrincipalId && !tenantId && (!subscriptionId || !allowNoSubscriptionsLogin)) {
+                    if (creds) {
+                        core.debug('using creds JSON...');
+                        enableOIDC = false;
+                        servicePrincipalId = secrets.getSecret("$.clientId", true);
+                        servicePrincipalKey = secrets.getSecret("$.clientSecret", true);
+                        tenantId = secrets.getSecret("$.tenantId", true);
+                        subscriptionId = secrets.getSecret("$.subscriptionId", true);
+                        resourceManagerEndpointUrl = secrets.getSecret("$.resourceManagerEndpointUrl", false);
+                    }
+                    else {
+                        throw new Error("Credentials are not passed for Login action.");
+                    }
+                }
+                //If any few of the individual credentials are missing
+                else
+                    throw new Error("Few credentials are missing.ClientId,tenantId are mandatory. SubscriptionId is also mandatory if allow-no-subscriptions is not set.");
+            }
+
+            //generic checks 
+            //servicePrincipalKey is only required in non-oidc scenario.
+            if (!servicePrincipalId || !tenantId || !(servicePrincipalKey || enableOIDC)) {
+                throw new Error("Not all values are present in the credentials. Ensure clientId, clientSecret and tenantId are supplied.");
             }
             if (!subscriptionId && !allowNoSubscriptionsLogin) {
-                throw new Error("Not all values are present in the creds object. Ensure subscriptionId is supplied.");
+                throw new Error("Not all values are present in the credentials. Ensure subscriptionId is supplied.");
             }
             if (!azureSupportedCloudName.has(environment)) {
                 throw new Error("Unsupported value for environment is passed.The list of supported values for environment are ‘azureusgovernment', ‘azurechinacloud’, ‘azuregermancloud’, ‘azurecloud’ or ’azurestack’");
             }
-            // TODO: refactor this into an Azure stack specific utility.
+            // OIDC specific checks
+            if (enableOIDC) {
+                console.log('Using OIDC authentication...');
+                //generating ID-token
+                var idToken = yield core.getIDToken('api://AzureADTokenExchange');
+                if (!!idToken) {
+                    if (environment != "azurecloud")
+                        throw new Error(`Your current environment - "${environment}" is not supported for OIDC login.`);
+                    if (enableAzPSSession)
+                        throw new Error(`Powershell login is not supported with OIDC.`);
+                }
+                else {
+                    throw new Error("Could not get ID token for authentication.");
+                }
+            }
             // Attempting Az cli login
             if (environment == "azurestack") {
                 if (!resourceManagerEndpointUrl) {
@@ -106,22 +161,45 @@ function main() {
             console.log(`Done setting cloud: "${environment}"`);
             // Attempting Az cli login
             if (allowNoSubscriptionsLogin) {
-                let args = [
-                    "--allow-no-subscriptions",
-                    "--service-principal",
-                    "-u", servicePrincipalId,
-                    "-p", servicePrincipalKey,
-                    "--tenant", tenantId
-                ];
+                var args = [];
+                if (enableOIDC) {
+                    args = [
+                        "--allow-no-subscriptions",
+                        "--service-principal",
+                        "-u", servicePrincipalId,
+                        "--federated-token", idToken,
+                        "--tenant", tenantId
+                    ];
+                }
+                else {
+                    args = [
+                        "--allow-no-subscriptions",
+                        "--service-principal",
+                        "-u", servicePrincipalId,
+                        "-p", servicePrincipalKey,
+                        "--tenant", tenantId
+                    ];
+                }
                 yield executeAzCliCommand(`login`, true, {}, args);
             }
             else {
-                let args = [
-                    "--service-principal",
-                    "-u", servicePrincipalId,
-                    "-p", servicePrincipalKey,
-                    "--tenant", tenantId
-                ];
+                var args = [];
+                if (enableOIDC) {
+                    args = [
+                        "--service-principal",
+                        "-u", servicePrincipalId,
+                        "--federated-token", idToken,
+                        "--tenant", tenantId
+                    ];
+                }
+                else {
+                    args = [
+                        "--service-principal",
+                        "-u", servicePrincipalId,
+                        "-p", servicePrincipalKey,
+                        "--tenant", tenantId
+                    ];
+                }
                 yield executeAzCliCommand(`login`, true, {}, args);
                 args = [
                     "--subscription",
@@ -159,6 +237,7 @@ function executeAzCliCommand(command, silent, execOptions = {}, args = []) {
     return __awaiter(this, void 0, void 0, function* () {
         execOptions.silent = !!silent;
         try {
+            core.debug(args);
             yield exec.exec(`"${azPath}" ${command}`, args, execOptions);
         }
         catch (error) {