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backend/node_modules/google-auth-library/build/src/auth/urlsubjecttokensupplier.js

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+"use strict";
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UrlSubjectTokenSupplier = void 0;
+const authclient_1 = require("./authclient");
+/**
+ * Internal subject token supplier implementation used when a URL
+ * is configured in the credential configuration used to build an {@link IdentityPoolClient}
+ */
+class UrlSubjectTokenSupplier {
+    url;
+    headers;
+    formatType;
+    subjectTokenFieldName;
+    additionalGaxiosOptions;
+    /**
+     * Instantiates a URL subject token supplier.
+     * @param opts The URL subject token supplier options to build the supplier with.
+     */
+    constructor(opts) {
+        this.url = opts.url;
+        this.formatType = opts.formatType;
+        this.subjectTokenFieldName = opts.subjectTokenFieldName;
+        this.headers = opts.headers;
+        this.additionalGaxiosOptions = opts.additionalGaxiosOptions;
+    }
+    /**
+     * Sends a GET request to the URL provided in the constructor and resolves
+     * with the returned external subject token.
+     * @param context {@link ExternalAccountSupplierContext} from the calling
+     *   {@link IdentityPoolClient}, contains the requested audience and subject
+     *   token type for the external account identity. Not used.
+     */
+    async getSubjectToken(context) {
+        const opts = {
+            ...this.additionalGaxiosOptions,
+            url: this.url,
+            method: 'GET',
+            headers: this.headers,
+        };
+        authclient_1.AuthClient.setMethodName(opts, 'getSubjectToken');
+        let subjectToken;
+        if (this.formatType === 'text') {
+            const response = await context.transporter.request(opts);
+            subjectToken = response.data;
+        }
+        else if (this.formatType === 'json' && this.subjectTokenFieldName) {
+            const response = await context.transporter.request(opts);
+            subjectToken = response.data[this.subjectTokenFieldName];
+        }
+        if (!subjectToken) {
+            throw new Error('Unable to parse the subject_token from the credential_source URL');
+        }
+        return subjectToken;
+    }
+}
+exports.UrlSubjectTokenSupplier = UrlSubjectTokenSupplier;
+//# sourceMappingURL=urlsubjecttokensupplier.js.map