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33 lines
954 B
JavaScript
33 lines
954 B
JavaScript
const dns = require('dns').promises;
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const middleware = require('./_common/middleware');
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const handler = async (url, event, context) => {
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try {
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const parsedUrl = new URL(url);
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const txtRecords = await dns.resolveTxt(parsedUrl.hostname);
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// Parsing and formatting TXT records into a single object
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const readableTxtRecords = txtRecords.reduce((acc, recordArray) => {
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const recordObject = recordArray.reduce((recordAcc, recordString) => {
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const splitRecord = recordString.split('=');
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const key = splitRecord[0];
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const value = splitRecord.slice(1).join('=');
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return { ...recordAcc, [key]: value };
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}, {});
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return { ...acc, ...recordObject };
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}, {});
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return readableTxtRecords;
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} catch (error) {
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if (error.code === 'ERR_INVALID_URL') {
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throw new Error(`Invalid URL ${error}`);
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} else {
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throw error;
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}
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}
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};
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exports.handler = middleware(handler);
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