12 lines
380 B
JavaScript
12 lines
380 B
JavaScript
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const VALID_IMAGE_FORMATS = ['png', 'jpg', 'jpeg'];
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module.exports = function checkStaticImageFormat () {
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return function checkStaticImageFormatMiddleware (req, res, next) {
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if(!VALID_IMAGE_FORMATS.includes(req.params.format.toLowerCase())) {
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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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