mirror of https://github.com/grpc/grpc-go.git
				
				
				
			
		
			
				
	
	
		
			709 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			709 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Go
		
	
	
	
/*
 | 
						|
 *
 | 
						|
 * Copyright 2021 gRPC authors.
 | 
						|
 *
 | 
						|
 * Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
 * you may not use this file except in compliance with the License.
 | 
						|
 * You may obtain a copy of the License at
 | 
						|
 *
 | 
						|
 *     http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
 *
 | 
						|
 * Unless required by applicable law or agreed to in writing, software
 | 
						|
 * distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
 * See the License for the specific language governing permissions and
 | 
						|
 * limitations under the License.
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
package authz_test
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
	"crypto/tls"
 | 
						|
	"crypto/x509"
 | 
						|
	"io"
 | 
						|
	"os"
 | 
						|
	"testing"
 | 
						|
	"time"
 | 
						|
 | 
						|
	"google.golang.org/grpc"
 | 
						|
	"google.golang.org/grpc/authz"
 | 
						|
	"google.golang.org/grpc/codes"
 | 
						|
	"google.golang.org/grpc/credentials"
 | 
						|
	"google.golang.org/grpc/credentials/insecure"
 | 
						|
	"google.golang.org/grpc/internal/grpctest"
 | 
						|
	"google.golang.org/grpc/internal/stubserver"
 | 
						|
	"google.golang.org/grpc/metadata"
 | 
						|
	"google.golang.org/grpc/status"
 | 
						|
	"google.golang.org/grpc/testdata"
 | 
						|
 | 
						|
	testgrpc "google.golang.org/grpc/interop/grpc_testing"
 | 
						|
	testpb "google.golang.org/grpc/interop/grpc_testing"
 | 
						|
)
 | 
						|
 | 
						|
type s struct {
 | 
						|
	grpctest.Tester
 | 
						|
}
 | 
						|
 | 
						|
func Test(t *testing.T) {
 | 
						|
	grpctest.RunSubTests(t, s{})
 | 
						|
}
 | 
						|
 | 
						|
var authzTests = map[string]struct {
 | 
						|
	authzPolicy string
 | 
						|
	md          metadata.MD
 | 
						|
	wantStatus  *status.Status
 | 
						|
}{
 | 
						|
	"DeniesRPCMatchInDenyNoMatchInAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_StreamingOutputCall",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/StreamingOutputCall"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				],
 | 
						|
				"deny_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "deny_TestServiceCalls",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/*"
 | 
						|
							],
 | 
						|
							"headers":
 | 
						|
							[
 | 
						|
								{
 | 
						|
									"key": "key-abc",
 | 
						|
									"values":
 | 
						|
									[
 | 
						|
										"val-abc",
 | 
						|
										"val-def"
 | 
						|
									]
 | 
						|
								}
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		md:         metadata.Pairs("key-abc", "val-abc"),
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
	"DeniesRPCMatchInDenyAndAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_all",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"*"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				],
 | 
						|
				"deny_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "deny_all",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"*"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
	"AllowsRPCNoMatchInDenyMatchInAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_all"
 | 
						|
					}
 | 
						|
				],
 | 
						|
				"deny_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "deny_TestServiceCalls",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/UnaryCall",
 | 
						|
								"/grpc.testing.TestService/StreamingInputCall"
 | 
						|
							],
 | 
						|
							"headers":
 | 
						|
							[
 | 
						|
								{
 | 
						|
									"key": "key-abc",
 | 
						|
									"values":
 | 
						|
									[
 | 
						|
										"val-abc",
 | 
						|
										"val-def"
 | 
						|
									]
 | 
						|
								}
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		md:         metadata.Pairs("key-xyz", "val-xyz"),
 | 
						|
		wantStatus: status.New(codes.OK, ""),
 | 
						|
	},
 | 
						|
	"DeniesRPCNoMatchInDenyAndAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_some_user",
 | 
						|
						"source": {
 | 
						|
							"principals":
 | 
						|
							[
 | 
						|
								"some_user"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				],
 | 
						|
				"deny_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "deny_StreamingOutputCall",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/StreamingOutputCall"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
	"AllowsRPCEmptyDenyMatchInAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_UnaryCall",
 | 
						|
						"request":
 | 
						|
						{
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/UnaryCall"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					},
 | 
						|
					{
 | 
						|
						"name": "allow_StreamingInputCall",
 | 
						|
						"request":
 | 
						|
						{
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/StreamingInputCall"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		wantStatus: status.New(codes.OK, ""),
 | 
						|
	},
 | 
						|
	"DeniesRPCEmptyDenyNoMatchInAllow": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_StreamingOutputCall",
 | 
						|
						"request":
 | 
						|
						{
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/StreamingOutputCall"
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
	"DeniesRPCRequestWithPrincipalsFieldOnUnauthenticatedConnection": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_authenticated",
 | 
						|
						"source": {
 | 
						|
							"principals": ["*", ""]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
	"DeniesRPCRequestNoMatchInAllowFailsPresenceMatch": {
 | 
						|
		authzPolicy: `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_TestServiceCalls",
 | 
						|
						"request": {
 | 
						|
							"paths":
 | 
						|
							[
 | 
						|
								"/grpc.testing.TestService/*"
 | 
						|
							],
 | 
						|
							"headers":
 | 
						|
							[
 | 
						|
								{
 | 
						|
									"key": "key-abc",
 | 
						|
									"values":
 | 
						|
									[
 | 
						|
										"*"
 | 
						|
									]
 | 
						|
								}
 | 
						|
							]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`,
 | 
						|
		md:         metadata.Pairs("key-abc", ""),
 | 
						|
		wantStatus: status.New(codes.PermissionDenied, "unauthorized RPC request rejected"),
 | 
						|
	},
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestStaticPolicyEnd2End(t *testing.T) {
 | 
						|
	for name, test := range authzTests {
 | 
						|
		t.Run(name, func(t *testing.T) {
 | 
						|
			// Start a gRPC server with gRPC authz unary and stream server interceptors.
 | 
						|
			i, _ := authz.NewStatic(test.authzPolicy)
 | 
						|
 | 
						|
			stub := &stubserver.StubServer{
 | 
						|
				UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
					return &testpb.SimpleResponse{}, nil
 | 
						|
				},
 | 
						|
				StreamingInputCallF: func(stream testgrpc.TestService_StreamingInputCallServer) error {
 | 
						|
					for {
 | 
						|
						_, err := stream.Recv()
 | 
						|
						if err == io.EOF {
 | 
						|
							return stream.SendAndClose(&testpb.StreamingInputCallResponse{})
 | 
						|
						}
 | 
						|
						if err != nil {
 | 
						|
							return err
 | 
						|
						}
 | 
						|
					}
 | 
						|
				},
 | 
						|
				S: grpc.NewServer(grpc.ChainUnaryInterceptor(i.UnaryInterceptor), grpc.ChainStreamInterceptor(i.StreamInterceptor)),
 | 
						|
			}
 | 
						|
			stubserver.StartTestService(t, stub)
 | 
						|
			defer stub.Stop()
 | 
						|
 | 
						|
			// Establish a connection to the server.
 | 
						|
			cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 | 
						|
			if err != nil {
 | 
						|
				t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
			}
 | 
						|
			defer cc.Close()
 | 
						|
			client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
			defer cancel()
 | 
						|
			ctx = metadata.NewOutgoingContext(ctx, test.md)
 | 
						|
 | 
						|
			// Verifying authorization decision for Unary RPC.
 | 
						|
			_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
			if got := status.Convert(err); got.Code() != test.wantStatus.Code() || got.Message() != test.wantStatus.Message() {
 | 
						|
				t.Fatalf("[UnaryCall] error want:{%v} got:{%v}", test.wantStatus.Err(), got.Err())
 | 
						|
			}
 | 
						|
 | 
						|
			// Verifying authorization decision for Streaming RPC.
 | 
						|
			stream, err := client.StreamingInputCall(ctx)
 | 
						|
			if err != nil {
 | 
						|
				t.Fatalf("failed StreamingInputCall err: %v", err)
 | 
						|
			}
 | 
						|
			req := &testpb.StreamingInputCallRequest{
 | 
						|
				Payload: &testpb.Payload{
 | 
						|
					Body: []byte("hi"),
 | 
						|
				},
 | 
						|
			}
 | 
						|
			if err := stream.Send(req); err != nil && err != io.EOF {
 | 
						|
				t.Fatalf("failed stream.Send err: %v", err)
 | 
						|
			}
 | 
						|
			_, err = stream.CloseAndRecv()
 | 
						|
			if got := status.Convert(err); got.Code() != test.wantStatus.Code() || got.Message() != test.wantStatus.Message() {
 | 
						|
				t.Fatalf("[StreamingCall] error want:{%v} got:{%v}", test.wantStatus.Err(), got.Err())
 | 
						|
			}
 | 
						|
		})
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestAllowsRPCRequestWithPrincipalsFieldOnTLSAuthenticatedConnection(t *testing.T) {
 | 
						|
	authzPolicy := `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_authenticated",
 | 
						|
						"source": {
 | 
						|
							"principals": ["*", ""]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`
 | 
						|
	// Start a gRPC server with gRPC authz unary server interceptor.
 | 
						|
	i, _ := authz.NewStatic(authzPolicy)
 | 
						|
	creds, err := credentials.NewServerTLSFromFile(testdata.Path("x509/server1_cert.pem"), testdata.Path("x509/server1_key.pem"))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to generate credentials: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	stub := &stubserver.StubServer{
 | 
						|
		UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
			return &testpb.SimpleResponse{}, nil
 | 
						|
		},
 | 
						|
		S: grpc.NewServer(grpc.Creds(creds), grpc.ChainUnaryInterceptor(i.UnaryInterceptor)),
 | 
						|
	}
 | 
						|
	stubserver.StartTestService(t, stub)
 | 
						|
	defer stub.S.Stop()
 | 
						|
 | 
						|
	// Establish a connection to the server.
 | 
						|
	creds, err = credentials.NewClientTLSFromFile(testdata.Path("x509/server_ca_cert.pem"), "x.test.example.com")
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to load credentials: %v", err)
 | 
						|
	}
 | 
						|
	cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(creds))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
	}
 | 
						|
	defer cc.Close()
 | 
						|
	client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	if _, err = client.UnaryCall(ctx, &testpb.SimpleRequest{}); err != nil {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want nil", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestAllowsRPCRequestWithPrincipalsFieldOnMTLSAuthenticatedConnection(t *testing.T) {
 | 
						|
	authzPolicy := `{
 | 
						|
				"name": "authz",
 | 
						|
				"allow_rules":
 | 
						|
				[
 | 
						|
					{
 | 
						|
						"name": "allow_authenticated",
 | 
						|
						"source": {
 | 
						|
							"principals": ["*", ""]
 | 
						|
						}
 | 
						|
					}
 | 
						|
				]
 | 
						|
			}`
 | 
						|
	// Start a gRPC server with gRPC authz unary server interceptor.
 | 
						|
	i, _ := authz.NewStatic(authzPolicy)
 | 
						|
	cert, err := tls.LoadX509KeyPair(testdata.Path("x509/server1_cert.pem"), testdata.Path("x509/server1_key.pem"))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("tls.LoadX509KeyPair(x509/server1_cert.pem, x509/server1_key.pem) failed: %v", err)
 | 
						|
	}
 | 
						|
	ca, err := os.ReadFile(testdata.Path("x509/client_ca_cert.pem"))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("os.ReadFile(x509/client_ca_cert.pem) failed: %v", err)
 | 
						|
	}
 | 
						|
	certPool := x509.NewCertPool()
 | 
						|
	if !certPool.AppendCertsFromPEM(ca) {
 | 
						|
		t.Fatal("failed to append certificates")
 | 
						|
	}
 | 
						|
	creds := credentials.NewTLS(&tls.Config{
 | 
						|
		ClientAuth:   tls.RequireAndVerifyClientCert,
 | 
						|
		Certificates: []tls.Certificate{cert},
 | 
						|
		ClientCAs:    certPool,
 | 
						|
	})
 | 
						|
	stub := &stubserver.StubServer{
 | 
						|
		UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
			return &testpb.SimpleResponse{}, nil
 | 
						|
		},
 | 
						|
		S: grpc.NewServer(grpc.Creds(creds), grpc.ChainUnaryInterceptor(i.UnaryInterceptor)),
 | 
						|
	}
 | 
						|
	stubserver.StartTestService(t, stub)
 | 
						|
	defer stub.Stop()
 | 
						|
 | 
						|
	// Establish a connection to the server.
 | 
						|
	cert, err = tls.LoadX509KeyPair(testdata.Path("x509/client1_cert.pem"), testdata.Path("x509/client1_key.pem"))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("tls.LoadX509KeyPair(x509/client1_cert.pem, x509/client1_key.pem) failed: %v", err)
 | 
						|
	}
 | 
						|
	ca, err = os.ReadFile(testdata.Path("x509/server_ca_cert.pem"))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("os.ReadFile(x509/server_ca_cert.pem) failed: %v", err)
 | 
						|
	}
 | 
						|
	roots := x509.NewCertPool()
 | 
						|
	if !roots.AppendCertsFromPEM(ca) {
 | 
						|
		t.Fatal("failed to append certificates")
 | 
						|
	}
 | 
						|
	creds = credentials.NewTLS(&tls.Config{
 | 
						|
		Certificates: []tls.Certificate{cert},
 | 
						|
		RootCAs:      roots,
 | 
						|
		ServerName:   "x.test.example.com",
 | 
						|
	})
 | 
						|
	cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(creds))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
	}
 | 
						|
	defer cc.Close()
 | 
						|
	client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	if _, err = client.UnaryCall(ctx, &testpb.SimpleRequest{}); err != nil {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want nil", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestFileWatcherEnd2End(t *testing.T) {
 | 
						|
	for name, test := range authzTests {
 | 
						|
		t.Run(name, func(t *testing.T) {
 | 
						|
			file := createTmpPolicyFile(t, name, []byte(test.authzPolicy))
 | 
						|
			i, _ := authz.NewFileWatcher(file, 1*time.Second)
 | 
						|
			defer i.Close()
 | 
						|
 | 
						|
			stub := &stubserver.StubServer{
 | 
						|
				UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
					return &testpb.SimpleResponse{}, nil
 | 
						|
				},
 | 
						|
				StreamingInputCallF: func(stream testgrpc.TestService_StreamingInputCallServer) error {
 | 
						|
					for {
 | 
						|
						_, err := stream.Recv()
 | 
						|
						if err == io.EOF {
 | 
						|
							return stream.SendAndClose(&testpb.StreamingInputCallResponse{})
 | 
						|
						}
 | 
						|
						if err != nil {
 | 
						|
							return err
 | 
						|
						}
 | 
						|
					}
 | 
						|
				},
 | 
						|
				// Start a gRPC server with gRPC authz unary and stream server interceptors.
 | 
						|
				S: grpc.NewServer(grpc.ChainUnaryInterceptor(i.UnaryInterceptor), grpc.ChainStreamInterceptor(i.StreamInterceptor)),
 | 
						|
			}
 | 
						|
			stubserver.StartTestService(t, stub)
 | 
						|
			defer stub.Stop()
 | 
						|
 | 
						|
			// Establish a connection to the server.
 | 
						|
			cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 | 
						|
			if err != nil {
 | 
						|
				t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
			}
 | 
						|
			defer cc.Close()
 | 
						|
			client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
			defer cancel()
 | 
						|
			ctx = metadata.NewOutgoingContext(ctx, test.md)
 | 
						|
 | 
						|
			// Verifying authorization decision for Unary RPC.
 | 
						|
			_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
			if got := status.Convert(err); got.Code() != test.wantStatus.Code() || got.Message() != test.wantStatus.Message() {
 | 
						|
				t.Fatalf("[UnaryCall] error want:{%v} got:{%v}", test.wantStatus.Err(), got.Err())
 | 
						|
			}
 | 
						|
 | 
						|
			// Verifying authorization decision for Streaming RPC.
 | 
						|
			stream, err := client.StreamingInputCall(ctx)
 | 
						|
			if err != nil {
 | 
						|
				t.Fatalf("failed StreamingInputCall : %v", err)
 | 
						|
			}
 | 
						|
			req := &testpb.StreamingInputCallRequest{
 | 
						|
				Payload: &testpb.Payload{
 | 
						|
					Body: []byte("hi"),
 | 
						|
				},
 | 
						|
			}
 | 
						|
			if err := stream.Send(req); err != nil && err != io.EOF {
 | 
						|
				t.Fatalf("failed stream.Send : %v", err)
 | 
						|
			}
 | 
						|
			_, err = stream.CloseAndRecv()
 | 
						|
			if got := status.Convert(err); got.Code() != test.wantStatus.Code() || got.Message() != test.wantStatus.Message() {
 | 
						|
				t.Fatalf("[StreamingCall] error want:{%v} got:{%v}", test.wantStatus.Err(), got.Err())
 | 
						|
			}
 | 
						|
		})
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func retryUntil(ctx context.Context, tsc testgrpc.TestServiceClient, want *status.Status) (lastErr error) {
 | 
						|
	for ctx.Err() == nil {
 | 
						|
		_, lastErr = tsc.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
		if s := status.Convert(lastErr); s.Code() == want.Code() && s.Message() == want.Message() {
 | 
						|
			return nil
 | 
						|
		}
 | 
						|
		time.Sleep(20 * time.Millisecond)
 | 
						|
	}
 | 
						|
	return lastErr
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestFileWatcher_ValidPolicyRefresh(t *testing.T) {
 | 
						|
	valid1 := authzTests["DeniesRPCMatchInDenyAndAllow"]
 | 
						|
	file := createTmpPolicyFile(t, "valid_policy_refresh", []byte(valid1.authzPolicy))
 | 
						|
	i, _ := authz.NewFileWatcher(file, 100*time.Millisecond)
 | 
						|
	defer i.Close()
 | 
						|
 | 
						|
	stub := &stubserver.StubServer{
 | 
						|
		UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
			return &testpb.SimpleResponse{}, nil
 | 
						|
		},
 | 
						|
		// Start a gRPC server with gRPC authz unary server interceptor.
 | 
						|
		S: grpc.NewServer(grpc.ChainUnaryInterceptor(i.UnaryInterceptor)),
 | 
						|
	}
 | 
						|
	stubserver.StartTestService(t, stub)
 | 
						|
	defer stub.Stop()
 | 
						|
 | 
						|
	// Establish a connection to the server.
 | 
						|
	cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
	}
 | 
						|
	defer cc.Close()
 | 
						|
	client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
	if got := status.Convert(err); got.Code() != valid1.wantStatus.Code() || got.Message() != valid1.wantStatus.Message() {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got.Err(), valid1.wantStatus.Err())
 | 
						|
	}
 | 
						|
 | 
						|
	// Rewrite the file with a different valid authorization policy.
 | 
						|
	valid2 := authzTests["AllowsRPCEmptyDenyMatchInAllow"]
 | 
						|
	if err := os.WriteFile(file, []byte(valid2.authzPolicy), os.ModePerm); err != nil {
 | 
						|
		t.Fatalf("os.WriteFile(%q) failed: %v", file, err)
 | 
						|
	}
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	if got := retryUntil(ctx, client, valid2.wantStatus); got != nil {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got, valid2.wantStatus.Err())
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestFileWatcher_InvalidPolicySkipReload(t *testing.T) {
 | 
						|
	valid := authzTests["DeniesRPCMatchInDenyAndAllow"]
 | 
						|
	file := createTmpPolicyFile(t, "invalid_policy_skip_reload", []byte(valid.authzPolicy))
 | 
						|
	i, _ := authz.NewFileWatcher(file, 20*time.Millisecond)
 | 
						|
	defer i.Close()
 | 
						|
 | 
						|
	stub := &stubserver.StubServer{
 | 
						|
		UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
			return &testpb.SimpleResponse{}, nil
 | 
						|
		},
 | 
						|
		// Start a gRPC server with gRPC authz unary server interceptors.
 | 
						|
		S: grpc.NewServer(grpc.ChainUnaryInterceptor(i.UnaryInterceptor)),
 | 
						|
	}
 | 
						|
	stubserver.StartTestService(t, stub)
 | 
						|
	defer stub.Stop()
 | 
						|
 | 
						|
	// Establish a connection to the server.
 | 
						|
	cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
	}
 | 
						|
	defer cc.Close()
 | 
						|
	client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
	if got := status.Convert(err); got.Code() != valid.wantStatus.Code() || got.Message() != valid.wantStatus.Message() {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got.Err(), valid.wantStatus.Err())
 | 
						|
	}
 | 
						|
 | 
						|
	// Skips the invalid policy update, and continues to use the valid policy.
 | 
						|
	if err := os.WriteFile(file, []byte("{}"), os.ModePerm); err != nil {
 | 
						|
		t.Fatalf("os.WriteFile(%q) failed: %v", file, err)
 | 
						|
	}
 | 
						|
 | 
						|
	// Wait 40 ms for background go routine to read updated files.
 | 
						|
	time.Sleep(40 * time.Millisecond)
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
	if got := status.Convert(err); got.Code() != valid.wantStatus.Code() || got.Message() != valid.wantStatus.Message() {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got.Err(), valid.wantStatus.Err())
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (s) TestFileWatcher_RecoversFromReloadFailure(t *testing.T) {
 | 
						|
	valid1 := authzTests["DeniesRPCMatchInDenyAndAllow"]
 | 
						|
	file := createTmpPolicyFile(t, "recovers_from_reload_failure", []byte(valid1.authzPolicy))
 | 
						|
	i, _ := authz.NewFileWatcher(file, 100*time.Millisecond)
 | 
						|
	defer i.Close()
 | 
						|
 | 
						|
	stub := &stubserver.StubServer{
 | 
						|
		UnaryCallF: func(ctx context.Context, req *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
 | 
						|
			return &testpb.SimpleResponse{}, nil
 | 
						|
		},
 | 
						|
		S: grpc.NewServer(grpc.ChainUnaryInterceptor(i.UnaryInterceptor)),
 | 
						|
	}
 | 
						|
	stubserver.StartTestService(t, stub)
 | 
						|
	defer stub.Stop()
 | 
						|
 | 
						|
	// Establish a connection to the server.
 | 
						|
	cc, err := grpc.NewClient(stub.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("grpc.NewClient(%v) failed: %v", stub.Address, err)
 | 
						|
	}
 | 
						|
	defer cc.Close()
 | 
						|
	client := testgrpc.NewTestServiceClient(cc)
 | 
						|
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
	if got := status.Convert(err); got.Code() != valid1.wantStatus.Code() || got.Message() != valid1.wantStatus.Message() {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got.Err(), valid1.wantStatus.Err())
 | 
						|
	}
 | 
						|
 | 
						|
	// Skips the invalid policy update, and continues to use the valid policy.
 | 
						|
	if err := os.WriteFile(file, []byte("{}"), os.ModePerm); err != nil {
 | 
						|
		t.Fatalf("os.WriteFile(%q) failed: %v", file, err)
 | 
						|
	}
 | 
						|
 | 
						|
	// Wait 120 ms for background go routine to read updated files.
 | 
						|
	time.Sleep(120 * time.Millisecond)
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	_, err = client.UnaryCall(ctx, &testpb.SimpleRequest{})
 | 
						|
	if got := status.Convert(err); got.Code() != valid1.wantStatus.Code() || got.Message() != valid1.wantStatus.Message() {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got.Err(), valid1.wantStatus.Err())
 | 
						|
	}
 | 
						|
 | 
						|
	// Rewrite the file with a different valid authorization policy.
 | 
						|
	valid2 := authzTests["AllowsRPCEmptyDenyMatchInAllow"]
 | 
						|
	if err := os.WriteFile(file, []byte(valid2.authzPolicy), os.ModePerm); err != nil {
 | 
						|
		t.Fatalf("os.WriteFile(%q) failed: %v", file, err)
 | 
						|
	}
 | 
						|
 | 
						|
	// Verifying authorization decision.
 | 
						|
	if got := retryUntil(ctx, client, valid2.wantStatus); got != nil {
 | 
						|
		t.Fatalf("client.UnaryCall(_, _) = %v; want = %v", got, valid2.wantStatus.Err())
 | 
						|
	}
 | 
						|
}
 |