| 1 | var middleware = require('./middleware')
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| 2 | var isStream = require('../isStream')
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| 3 | var mimeTypes = require('mime-types')
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| 4 |
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| 5 | function contentTypeOfStream (stream) {
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| 6 | if (typeof stream.getHeaders === 'function') {
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| 7 | return stream.getHeaders()['content-type']
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| 8 | } else if (stream.path) {
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| 9 | return mimeTypes.lookup(stream.path)
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| 10 | }
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| 11 | }
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| 12 |
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| 13 | module.exports = middleware('streamContentType', function (request, next) {
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| 14 | if (isStream(request.body) && !request.headers['content-type']) {
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| 15 | var contentType = contentTypeOfStream(request.body)
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| 16 | if (contentType) {
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| 17 | request.headers['content-type'] = contentType
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| 18 | }
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| 19 | }
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| 20 | return next()
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| 21 | })
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