mirror of https://github.com/grpc/grpc-go.git
121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
/*
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*
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* Copyright 2021 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package authz_test
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import (
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"fmt"
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"os"
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"path"
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"testing"
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"time"
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"google.golang.org/grpc/authz"
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)
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func createTmpPolicyFile(t *testing.T, dirSuffix string, policy []byte) string {
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t.Helper()
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// Create a temp directory. Passing an empty string for the first argument
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// uses the system temp directory.
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dir, err := os.MkdirTemp("", dirSuffix)
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if err != nil {
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t.Fatalf("os.MkdirTemp() failed: %v", err)
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}
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t.Logf("Using tmpdir: %s", dir)
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// Write policy into file.
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filename := path.Join(dir, "policy.json")
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if err := os.WriteFile(filename, policy, os.ModePerm); err != nil {
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t.Fatalf("os.WriteFile(%q) failed: %v", filename, err)
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}
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t.Logf("Wrote policy %s to file at %s", string(policy), filename)
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return filename
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}
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func (s) TestNewStatic(t *testing.T) {
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tests := map[string]struct {
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authzPolicy string
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wantErr error
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}{
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"InvalidPolicyFailsToCreateInterceptor": {
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authzPolicy: `{}`,
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wantErr: fmt.Errorf(`"name" is not present`),
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},
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"ValidPolicyCreatesInterceptor": {
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authzPolicy: `{
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"name": "authz",
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"allow_rules":
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[
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{
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"name": "allow_all"
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}
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]
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}`,
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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if _, err := authz.NewStatic(test.authzPolicy); fmt.Sprint(err) != fmt.Sprint(test.wantErr) {
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t.Fatalf("NewStatic(%v) returned err: %v, want err: %v", test.authzPolicy, err, test.wantErr)
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}
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})
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}
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}
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func (s) TestNewFileWatcher(t *testing.T) {
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tests := map[string]struct {
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authzPolicy string
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refreshDuration time.Duration
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wantErr error
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}{
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"InvalidRefreshDurationFailsToCreateInterceptor": {
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refreshDuration: time.Duration(0),
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wantErr: fmt.Errorf("requires refresh interval(0s) greater than 0s"),
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},
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"InvalidPolicyFailsToCreateInterceptor": {
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authzPolicy: `{}`,
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refreshDuration: time.Duration(1),
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wantErr: fmt.Errorf(`"name" is not present`),
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},
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"ValidPolicyCreatesInterceptor": {
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authzPolicy: `{
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"name": "authz",
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"allow_rules":
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[
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{
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"name": "allow_all"
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}
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]
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}`,
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refreshDuration: time.Duration(1),
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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file := createTmpPolicyFile(t, name, []byte(test.authzPolicy))
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i, err := authz.NewFileWatcher(file, test.refreshDuration)
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if fmt.Sprint(err) != fmt.Sprint(test.wantErr) {
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t.Fatalf("NewFileWatcher(%v) returned err: %v, want err: %v", test.authzPolicy, err, test.wantErr)
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}
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if i != nil {
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i.Close()
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}
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})
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}
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}
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