fix: Log request payload

Signed-off-by: Sanskarzz <sanskar.gur@gmail.com>

go.mod

@@ -3,17 +3,20 @@ module github.com/kyverno/kyverno-envoy-plugin
 go 1.21.4
 
 require (
+	github.com/envoyproxy/go-control-plane v0.12.0
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240123012728-ef4313101c80
 	google.golang.org/grpc v1.62.1
 	k8s.io/apimachinery v0.29.2
 )
 
 require (
+	github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa // indirect
+	github.com/envoyproxy/protoc-gen-validate v1.0.4 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	golang.org/x/net v0.20.0 // indirect
 	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240123012728-ef4313101c80 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
 	k8s.io/klog/v2 v2.110.1 // indirect
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect

go.sum

@@ -1,3 +1,9 @@
+github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa h1:jQCWAUqqlij9Pgj2i/PB79y4KOPYVyFYdROxgaCwdTQ=
+github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa/go.mod h1:x/1Gn8zydmfq8dk6e9PdstVsDgu9RuyIIJqAaF//0IM=
+github.com/envoyproxy/go-control-plane v0.12.0 h1:4X+VP1GHd1Mhj6IB5mMeGbLCleqxjletLK6K0rbxyZI=
+github.com/envoyproxy/go-control-plane v0.12.0/go.mod h1:ZBTaoJ23lqITozF0M6G4/IragXCQKCnYbmlmtHvwRG0=
+github.com/envoyproxy/protoc-gen-validate v1.0.4 h1:gVPz/FMfvh57HdSJQyvBtF00j8JU4zdyUgIUNhlgg0A=
+github.com/envoyproxy/protoc-gen-validate v1.0.4/go.mod h1:qys6tmnRsYrQqIhm2bvKZH4Blx/1gTIZ2UKVY1M+Yew=
 github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
 github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"fmt"
+	"io"
 	"log"
 	"net"
 	"net/http"
@@ -11,7 +12,10 @@ import (
 	"syscall"
 	"time"
 
+	authv2 "github.com/envoyproxy/go-control-plane/envoy/service/auth/v2"
+	"google.golang.org/genproto/googleapis/rpc/status"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
 	"k8s.io/apimachinery/pkg/util/wait"
 )
 
@@ -48,7 +52,29 @@ func (s *Servers) startHTTPServer(ctx context.Context) {
 }
 
 func handler(w http.ResponseWriter, r *http.Request) {
-	fmt.Fprint(w, "Hello World!")
+
+	fmt.Printf("Received request from %s %s\n", r.RemoteAddr, r.URL.Path)
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, "Error reading request body", http.StatusInternalServerError)
+		return
+	}
+	defer r.Body.Close()
+	fmt.Println("Request payload:", string(body))
+
+}
+
+type authServer struct{}
+
+func (s *authServer) Check(ctx context.Context, req *authv2.CheckRequest) (*authv2.CheckResponse, error) {
+	// Log the incoming request
+	fmt.Println("Received authorization request:", req)
+
+	//  implement your authorization logic here
+	// For now, allow all requests
+	return &authv2.CheckResponse{
+		Status: &status.Status{Code: int32(codes.OK)},
+	}, nil
 }
 
 func (s *Servers) startGRPCServer(ctx context.Context) {