34 lines
900 B
JavaScript
34 lines
900 B
JavaScript
'use strict';
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module.exports = function cors (extraHeaders = []) {
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return function (req, res, next) {
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const headers = [
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'X-Requested-With',
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'X-Prototype-Version',
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'X-CSRF-Token',
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'Authorization',
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'Carto-Event',
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'Carto-Event-Source',
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'Carto-Event-Group-Id',
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...extraHeaders
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];
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const exposedHeaders = [
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'Carto-Rate-Limit-Limit',
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'Carto-Rate-Limit-Remaining',
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'Carto-Rate-Limit-Reset',
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'Retry-After'
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];
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res.header('Access-Control-Allow-Origin', '*');
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res.header('Access-Control-Allow-Headers', headers.join(', '));
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res.header('Access-Control-Expose-Headers', exposedHeaders.join(', '));
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if (req.method === 'OPTIONS') {
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return res.send();
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}
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next();
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};
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};
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