Created a first draft of this action. (#14)

Reviewed-on: #14
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/@actions/core/lib/oidc-utils.js

@@ -0,0 +1,77 @@
+"use strict";
+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) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OidcClient = void 0;
+const http_client_1 = require("@actions/http-client");
+const auth_1 = require("@actions/http-client/lib/auth");
+const core_1 = require("./core");
+class OidcClient {
+    static createHttpClient(allowRetry = true, maxRetry = 10) {
+        const requestOptions = {
+            allowRetries: allowRetry,
+            maxRetries: maxRetry
+        };
+        return new http_client_1.HttpClient('actions/oidc-client', [new auth_1.BearerCredentialHandler(OidcClient.getRequestToken())], requestOptions);
+    }
+    static getRequestToken() {
+        const token = process.env['ACTIONS_ID_TOKEN_REQUEST_TOKEN'];
+        if (!token) {
+            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_TOKEN env variable');
+        }
+        return token;
+    }
+    static getIDTokenUrl() {
+        const runtimeUrl = process.env['ACTIONS_ID_TOKEN_REQUEST_URL'];
+        if (!runtimeUrl) {
+            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_URL env variable');
+        }
+        return runtimeUrl;
+    }
+    static getCall(id_token_url) {
+        var _a;
+        return __awaiter(this, void 0, void 0, function* () {
+            const httpclient = OidcClient.createHttpClient();
+            const res = yield httpclient
+                .getJson(id_token_url)
+                .catch(error => {
+                throw new Error(`Failed to get ID Token. \n 
+        Error Code : ${error.statusCode}\n 
+        Error Message: ${error.message}`);
+            });
+            const id_token = (_a = res.result) === null || _a === void 0 ? void 0 : _a.value;
+            if (!id_token) {
+                throw new Error('Response json body do not have ID Token field');
+            }
+            return id_token;
+        });
+    }
+    static getIDToken(audience) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                // New ID Token is requested from action service
+                let id_token_url = OidcClient.getIDTokenUrl();
+                if (audience) {
+                    const encodedAudience = encodeURIComponent(audience);
+                    id_token_url = `${id_token_url}&audience=${encodedAudience}`;
+                }
+                core_1.debug(`ID token url is ${id_token_url}`);
+                const id_token = yield OidcClient.getCall(id_token_url);
+                core_1.setSecret(id_token);
+                return id_token;
+            }
+            catch (error) {
+                throw new Error(`Error message: ${error.message}`);
+            }
+        });
+    }
+}
+exports.OidcClient = OidcClient;
+//# sourceMappingURL=oidc-utils.js.map