mirror of https://github.com/lissy93/dashy
49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
/* A Netlify cloud function to handle requests to CORS-disabled services */
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const axios = require('axios');
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exports.handler = (event, context, callback) => {
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// Get input data
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const { body, headers, queryStringParameters } = event;
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// Get URL from header or GET param
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const requestUrl = queryStringParameters.url || headers['Target-URL'] || headers['target-url'];
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const returnError = (msg, error) => {
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callback(null, {
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statusCode: 400,
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body: JSON.stringify({ success: false, msg, error }),
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});
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};
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// If URL missing, return error
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if (!requestUrl) {
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returnError('Missing Target-URL header', null);
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}
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let custom = {};
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try {
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custom = JSON.parse(headers.CustomHeaders || headers.customheaders || '{}');
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} catch (e) { returnError('Unable to parse custom headers'); }
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// Response headers
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const requestHeaders = {
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'Access-Control-Allow-Origin': '*',
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...custom,
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};
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// Prepare request
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const requestConfig = {
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method: 'GET',
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url: requestUrl,
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json: body,
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headers: requestHeaders,
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};
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// Make request
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axios.request(requestConfig)
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.then((response) => {
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callback(null, { statusCode: 200, body: JSON.stringify(response.data) });
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}).catch((error) => {
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returnError('Request failed', error);
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});
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};
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