Function handleRequest

lib/handle-request.js:20–71

(err, request, reply)

const channels = diagnostics.tracingChannel('fastify.request.handler')

function handleRequest (err, request, reply) {
  if (reply.sent === true) return
  if (err != null) {
    reply[kReplyIsError] = true
    reply.send(err)
    return
  }

  const method = request.method

  if (this[kSupportedHTTPMethods].bodyless.has(method)) {
    handler(request, reply)
    return
  }

  if (this[kSupportedHTTPMethods].bodywith.has(method)) {
    const headers = request.headers
    const ctHeader = headers['content-type']

    if (ctHeader === undefined) {
      const contentLength = headers['content-length']
      const transferEncoding = headers['transfer-encoding']
      const isEmptyBody = transferEncoding === undefined &&
        (contentLength === undefined || contentLength === '0')

      if (isEmptyBody) {
        // Request has no body to parse
        handler(request, reply)
        return
      }

      request[kRouteContext].contentTypeParser.run('', handler, request, reply)
      return
    }

    // Conditional assignment to avoid creating a new ContentType instance
    // It can be assigned when accessing the .mediaType in hooks
    if (!request[kRequestContentType]) {
      request[kRequestContentType] = request[kRouteContext].contentTypeParser.getContentType(ctHeader)
    }
    if (request[kRequestContentType].isValid === false) {
      reply[kReplyIsError] = true
      reply.status(415).send(new FST_ERR_CTP_INVALID_MEDIA_TYPE())
      return
    }
    request[kRouteContext].contentTypeParser.run(request[kRequestContentType].toString(), handler, request, reply)
    return
  }

  // Return 404 instead of 405 see https://github.com/fastify/fastify/pull/862 for discussion
  handler(request, reply)
}

function handler (request, reply) {
  try {