Created
February 21, 2016 13:41
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| trait RequestRateLimiter[T] { | |
| def check(ctx: RequestContext, realIp: Option[RemoteAddress], proxiedIp: Option[RemoteAddress]) : RequestRateResult[T] | |
| } | |
| sealed trait RequestRateResult[T] | |
| case class Pass[T](result: T) extends RequestRateResult[T] | |
| case class Block[T](rejection: Rejection) extends RequestRateResult[T] | |
| def limit[T](requestRateLimiter: RequestRateLimiter[T]): Directive1[T] = { | |
| def remoteAddress: Directive1[Option[RemoteAddress]] = optionalHeaderValuePF { case `Remote-Address`(address) ⇒ address } | |
| def xForwardedFor: Directive1[Option[RemoteAddress]] = optionalHeaderValuePF { case `X-Forwarded-For`(Seq(address, _*)) ⇒ address } | |
| extract(identity) flatMap { ctx => | |
| remoteAddress.flatMap { realIp => | |
| xForwardedFor.flatMap { proxiedIp => | |
| requestRateLimiter.check(ctx, realIp, proxiedIp) match { | |
| case Pass(result) => provide(result) | |
| case Block(rejection) => reject(rejection) | |
| } | |
| } | |
| } | |
| } | |
| } |
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Hi,
How would I use/call this?