@google-cloud/cloud-sql-connector
Version:
A JavaScript library for connecting securely to your Cloud SQL instances
49 lines • 2.13 kB
JavaScript
;
// Copyright 2025 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
//
// https://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.
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveTxtRecord = resolveTxtRecord;
const node_dns_1 = __importDefault(require("node:dns"));
const errors_1 = require("./errors");
async function resolveTxtRecord(name) {
return new Promise((resolve, reject) => {
node_dns_1.default.resolveTxt(name, (err, addresses) => {
if (err) {
reject(new errors_1.CloudSQLConnectorError({
code: 'EDOMAINNAMELOOKUPERROR',
message: 'Error looking up TXT record for domain ' + name,
errors: [err],
}));
return;
}
if (!addresses || addresses.length === 0) {
reject(new errors_1.CloudSQLConnectorError({
code: 'EDOMAINNAMELOOKUPFAILED',
message: 'No records returned for domain ' + name,
}));
return;
}
// Each result may be split into multiple strings. Join the strings.
const joinedAddresses = addresses.map(strs => strs.join(''));
// Sort the results alphabetically for consistency,
joinedAddresses.sort((a, b) => a.localeCompare(b));
// Return the first result.
resolve(joinedAddresses[0]);
});
});
}
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