2018-10-23 23:45:42 +08:00
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'use strict';
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2018-05-16 18:00:40 +08:00
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const VALID_IMAGE_FORMATS = ['png', 'jpg'];
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2018-05-11 23:41:00 +08:00
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module.exports = function checkStaticImageFormat () {
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return function checkStaticImageFormatMiddleware (req, res, next) {
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2019-10-22 01:07:24 +08:00
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if (!VALID_IMAGE_FORMATS.includes(req.params.format)) {
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2018-05-11 23:41:00 +08:00
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return next(new Error(`Unsupported image format "${req.params.format}"`));
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}
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next();
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};
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};
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