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52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
9 years ago
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'use strict';
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var meta = require('../meta');
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var _ = require('underscore');
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module.exports = function(middleware) {
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middleware.addHeaders = function (req, res, next) {
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var defaults = {
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'X-Powered-By': 'NodeBB',
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'X-Frame-Options': 'SAMEORIGIN',
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'Access-Control-Allow-Origin': 'null' // yes, string null.
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};
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var headers = {
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'X-Powered-By': meta.config['powered-by'],
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'X-Frame-Options': meta.config['allow-from-uri'] ? 'ALLOW-FROM ' + meta.config['allow-from-uri'] : undefined,
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'Access-Control-Allow-Origin': meta.config['access-control-allow-origin'],
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'Access-Control-Allow-Methods': meta.config['access-control-allow-methods'],
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'Access-Control-Allow-Headers': meta.config['access-control-allow-headers']
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};
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_.defaults(headers, defaults);
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headers = _.pick(headers, Boolean); // Remove falsy headers
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for(var key in headers) {
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if (headers.hasOwnProperty(key)) {
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res.setHeader(key, headers[key]);
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}
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}
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next();
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};
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middleware.addExpiresHeaders = function(req, res, next) {
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if (req.app.enabled('cache')) {
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res.setHeader("Cache-Control", "public, max-age=5184000");
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res.setHeader("Expires", new Date(Date.now() + 5184000000).toUTCString());
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} else {
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res.setHeader("Cache-Control", "public, max-age=0");
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res.setHeader("Expires", new Date().toUTCString());
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}
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next();
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};
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};
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