From ec37cad3ddc447bf897cdade498e4bc98a512e52 Mon Sep 17 00:00:00 2001
From: adnano <me@adnano.co>
Date: Mon, 21 Sep 2020 20:44:10 -0400
Subject: [PATCH] Provide Handler with client remote address

---
 examples/server/server.go | 2 +-
 server.go                 | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/examples/server/server.go b/examples/server/server.go
index 1040af9..155b1bd 100644
--- a/examples/server/server.go
+++ b/examples/server/server.go
@@ -27,7 +27,7 @@ func main() {
 
 	mux := &gemini.Mux{}
 	mux.HandleFunc("/", func(req *gemini.RequestInfo) *gemini.Response {
-		log.Printf("Request for %s with certificates %v", req.URL.String(), req.Certificates)
+		log.Printf("Request from %s for %s with certificates %v", req.RemoteAddr.String(), req.URL.String(), req.Certificates)
 		return &gemini.Response{
 			Status: gemini.StatusSuccess,
 			Meta:   "text/gemini",
diff --git a/server.go b/server.go
index 134dfc2..4cd7f1e 100644
--- a/server.go
+++ b/server.go
@@ -102,10 +102,10 @@ func (s *Server) Serve(ln net.Listener) error {
 		}
 
 		// Gather information about the request
-		certs := rw.(*tls.Conn).ConnectionState().PeerCertificates
 		reqInfo := &RequestInfo{
 			URL:          url,
-			Certificates: certs,
+			Certificates: rw.(*tls.Conn).ConnectionState().PeerCertificates,
+			RemoteAddr:   rw.RemoteAddr(),
 		}
 		resp := s.Handler.Serve(reqInfo)
 		resp.Write(rw)
@@ -115,8 +115,9 @@ func (s *Server) Serve(ln net.Listener) error {
 
 // RequestInfo contains information about a request.
 type RequestInfo struct {
-	URL          *url.URL
-	Certificates []*x509.Certificate
+	URL          *url.URL            // the requested URL
+	Certificates []*x509.Certificate // client certificates
+	RemoteAddr   net.Addr
 }
 
 // A Handler responds to a Gemini request.