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	The new call combines GetObjectInfo and GetObject, and returns an object with a ReadCloser interface. Also adds a number of end-to-end encryption tests at the handler level.
		
			
				
	
	
		
			726 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			726 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|  * Minio Cloud Storage, (C) 2016 Minio, Inc.
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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 cmd
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| 
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| import (
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| 	"bytes"
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| 	"context"
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| 	"fmt"
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| 	"io"
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| 	"io/ioutil"
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| 	"net/http"
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| 	"net/http/httptest"
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| 	"reflect"
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| 	"strings"
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| 	"testing"
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| 
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| 	"github.com/minio/minio/pkg/auth"
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| 	"github.com/minio/minio/pkg/policy"
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| 	"github.com/minio/minio/pkg/policy/condition"
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| )
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| 
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| func getAnonReadOnlyBucketPolicy(bucketName string) *policy.Policy {
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| 	return &policy.Policy{
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| 		Version: policy.DefaultVersion,
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| 		Statements: []policy.Statement{policy.NewStatement(
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| 			policy.Allow,
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| 			policy.NewPrincipal("*"),
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| 			policy.NewActionSet(policy.GetBucketLocationAction, policy.ListBucketAction),
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| 			policy.NewResourceSet(policy.NewResource(bucketName, "")),
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| 			condition.NewFunctions(),
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| 		)},
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| 	}
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| }
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| 
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| func getAnonWriteOnlyBucketPolicy(bucketName string) *policy.Policy {
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| 	return &policy.Policy{
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| 		Version: policy.DefaultVersion,
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| 		Statements: []policy.Statement{policy.NewStatement(
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| 			policy.Allow,
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| 			policy.NewPrincipal("*"),
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| 			policy.NewActionSet(
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| 				policy.GetBucketLocationAction,
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| 				policy.ListBucketMultipartUploadsAction,
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| 			),
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| 			policy.NewResourceSet(policy.NewResource(bucketName, "")),
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| 			condition.NewFunctions(),
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| 		)},
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| 	}
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| }
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| 
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| func getAnonReadOnlyObjectPolicy(bucketName, prefix string) *policy.Policy {
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| 	return &policy.Policy{
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| 		Version: policy.DefaultVersion,
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| 		Statements: []policy.Statement{policy.NewStatement(
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| 			policy.Allow,
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| 			policy.NewPrincipal("*"),
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| 			policy.NewActionSet(policy.GetObjectAction),
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| 			policy.NewResourceSet(policy.NewResource(bucketName, prefix)),
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| 			condition.NewFunctions(),
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| 		)},
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| 	}
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| }
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| 
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| func getAnonWriteOnlyObjectPolicy(bucketName, prefix string) *policy.Policy {
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| 	return &policy.Policy{
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| 		Version: policy.DefaultVersion,
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| 		Statements: []policy.Statement{policy.NewStatement(
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| 			policy.Allow,
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| 			policy.NewPrincipal("*"),
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| 			policy.NewActionSet(
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| 				policy.AbortMultipartUploadAction,
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| 				policy.DeleteObjectAction,
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| 				policy.ListMultipartUploadPartsAction,
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| 				policy.PutObjectAction,
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| 			),
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| 			policy.NewResourceSet(policy.NewResource(bucketName, prefix)),
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| 			condition.NewFunctions(),
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| 		)},
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| 	}
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| }
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| 
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| // Wrapper for calling Put Bucket Policy HTTP handler tests for both XL multiple disks and single node setup.
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| func TestPutBucketPolicyHandler(t *testing.T) {
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| 	ExecObjectLayerAPITest(t, testPutBucketPolicyHandler, []string{"PutBucketPolicy"})
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| }
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| 
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| // testPutBucketPolicyHandler - Test for Bucket policy end point.
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| func testPutBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
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| 	credentials auth.Credentials, t *testing.T) {
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| 
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| 	bucketName1 := fmt.Sprintf("%s-1", bucketName)
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| 	if err := obj.MakeBucketWithLocation(context.Background(), bucketName1, ""); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	// template for constructing HTTP request body for PUT bucket policy.
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| 	bucketPolicyTemplate := `{"Version":"2012-10-17","Statement":[{"Sid":"","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetBucketLocation","s3:ListBucket"],"Resource":["arn:aws:s3:::%s"]},{"Sid":"","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetObject"],"Resource":["arn:aws:s3:::%s/this*"]}]}`
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| 
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| 	bucketPolicyTemplateWithoutVersion := `{"Version":"","Statement":[{"Sid":"","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetBucketLocation","s3:ListBucket"],"Resource":["arn:aws:s3:::%s"]},{"Sid":"","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetObject"],"Resource":["arn:aws:s3:::%s/this*"]}]}`
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| 
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| 	// test cases with sample input and expected output.
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| 	testCases := []struct {
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| 		bucketName string
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| 		// bucket policy to be set,
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| 		// set as request body.
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| 		bucketPolicyReader io.ReadSeeker
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| 		// length in bytes of the bucket policy being set.
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| 		policyLen int
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| 		accessKey string
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| 		secretKey string
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| 		// expected Response.
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| 		expectedRespStatus int
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| 	}{
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| 		// Test case - 1.
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
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| 
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| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusNoContent,
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| 		},
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| 		// Test case - 2.
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| 		// Setting the content length to be more than max allowed size.
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| 		// Expecting StatusBadRequest (400).
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
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| 
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| 			policyLen:          maxBucketPolicySize + 1,
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusBadRequest,
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| 		},
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| 		// Test case - 3.
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| 		// Case with content-length of the HTTP request set to 0.
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| 		// Expecting the HTTP response status to be StatusLengthRequired (411).
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
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| 
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| 			policyLen:          0,
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusLengthRequired,
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| 		},
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| 		// Test case - 4.
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| 		// setting the readSeeker to `nil`, bucket policy parser will fail.
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: nil,
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| 
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| 			policyLen:          10,
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusBadRequest,
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| 		},
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| 		// Test case - 5.
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| 		// setting the keys to be empty.
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| 		// Expecting statusForbidden.
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: nil,
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| 
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| 			policyLen:          10,
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| 			accessKey:          "",
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| 			secretKey:          "",
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| 			expectedRespStatus: http.StatusForbidden,
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| 		},
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| 		// Test case - 6.
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| 		// setting an invalid bucket policy.
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| 		// the bucket policy parser will fail.
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: bytes.NewReader([]byte("dummy-policy")),
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| 
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| 			policyLen:          len([]byte("dummy-policy")),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusBadRequest,
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| 		},
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| 		// Test case - 7.
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| 		// Different bucket name used in the HTTP request and the policy string.
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| 		// checkBucketPolicyResources should fail.
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| 		{
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| 			bucketName:         bucketName1,
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
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| 
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| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusBadRequest,
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| 		},
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| 		// Test case - 8.
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| 		// non-existent bucket is used.
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| 		// writing BucketPolicy should fail.
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| 		// should result in 404 StatusNotFound
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| 		{
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| 			bucketName:         "non-existent-bucket",
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, "non-existent-bucket", "non-existent-bucket"))),
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| 
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| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusNotFound,
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| 		},
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| 		// Test case - 9.
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| 		// non-existent bucket is used (with invalid bucket name)
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| 		// writing BucketPolicy should fail.
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| 		// should result in 404 StatusNotFound
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| 		{
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| 			bucketName:         ".invalid-bucket",
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, ".invalid-bucket", ".invalid-bucket"))),
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| 
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| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusNotFound,
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| 		},
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| 		// Test case - 10.
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| 		// Existent bucket with policy with Version field empty.
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| 		// writing BucketPolicy should fail.
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| 		// should result in 400 StatusBadRequest.
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| 		{
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| 			bucketName:         bucketName,
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| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplateWithoutVersion, bucketName, bucketName))),
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| 
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| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplateWithoutVersion, bucketName, bucketName)),
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| 			accessKey:          credentials.AccessKey,
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| 			secretKey:          credentials.SecretKey,
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| 			expectedRespStatus: http.StatusBadRequest,
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| 		},
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| 	}
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| 
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| 	// Iterating over the test cases, calling the function under test and asserting the response.
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| 	for i, testCase := range testCases {
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| 		// obtain the put bucket policy request body.
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| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
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| 		recV4 := httptest.NewRecorder()
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| 		// construct HTTP request for PUT bucket policy endpoint.
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| 		reqV4, err := newTestSignedRequestV4("PUT", getPutPolicyURL("", testCase.bucketName),
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| 			int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey, nil)
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| 		if err != nil {
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| 			t.Fatalf("Test %d: %s: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, instanceType, err)
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| 		}
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| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
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| 		// Call the ServeHTTP to execute the handler.
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| 		apiRouter.ServeHTTP(recV4, reqV4)
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| 		if recV4.Code != testCase.expectedRespStatus {
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| 			t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, recV4.Code)
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| 		}
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| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
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| 		recV2 := httptest.NewRecorder()
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| 		// construct HTTP request for PUT bucket policy endpoint.
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| 		reqV2, err := newTestSignedRequestV2("PUT", getPutPolicyURL("", testCase.bucketName),
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| 			int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey, nil)
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| 		if err != nil {
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| 			t.Fatalf("Test %d: %s: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, instanceType, err)
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| 		}
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| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
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| 		// Call the ServeHTTP to execute the handler.
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| 		apiRouter.ServeHTTP(recV2, reqV2)
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| 		if recV2.Code != testCase.expectedRespStatus {
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| 			t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, recV2.Code)
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| 		}
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| 	}
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| 
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| 	// Test for Anonymous/unsigned http request.
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| 	// Bucket policy related functions doesn't support anonymous requests, setting policies shouldn't make a difference.
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| 	bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)
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| 	// create unsigned HTTP request for PutBucketPolicyHandler.
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| 	anonReq, err := newTestRequest("PUT", getPutPolicyURL("", bucketName),
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| 		int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)))
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| 
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| 	if err != nil {
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| 		t.Fatalf("Minio %s: Failed to create an anonymous request for bucket \"%s\": <ERROR> %v",
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| 			instanceType, bucketName, err)
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| 	}
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| 
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| 	// ExecObjectLayerAPIAnonTest - Calls the HTTP API handler using the anonymous request, validates the ErrAccessDeniedResponse,
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| 	// sets the bucket policy using the policy statement generated from `getWriteOnlyObjectStatement` so that the
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| 	// unsigned request goes through and its validated again.
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| 	ExecObjectLayerAPIAnonTest(t, obj, "PutBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getAnonWriteOnlyBucketPolicy(bucketName))
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| 
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| 	// HTTP request for testing when `objectLayer` is set to `nil`.
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| 	// There is no need to use an existing bucket and valid input for creating the request
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| 	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.
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| 	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.
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| 	nilBucket := "dummy-bucket"
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| 
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| 	nilReq, err := newTestSignedRequestV4("PUT", getPutPolicyURL("", nilBucket),
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| 		0, nil, "", "", nil)
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| 
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| 	if err != nil {
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| 		t.Errorf("Minio %s: Failed to create HTTP request for testing the response when object Layer is set to `nil`.", instanceType)
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| 	}
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| 	// execute the object layer set to `nil` test.
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| 	// `ExecObjectLayerAPINilTest` manages the operation.
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| 	ExecObjectLayerAPINilTest(t, nilBucket, "", instanceType, apiRouter, nilReq)
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| 
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| }
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| 
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| // Wrapper for calling Get Bucket Policy HTTP handler tests for both XL multiple disks and single node setup.
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| func TestGetBucketPolicyHandler(t *testing.T) {
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| 	ExecObjectLayerAPITest(t, testGetBucketPolicyHandler, []string{"PutBucketPolicy", "GetBucketPolicy"})
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| }
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| 
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| // testGetBucketPolicyHandler - Test for end point which fetches the access policy json of the given bucket.
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| func testGetBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
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| 	credentials auth.Credentials, t *testing.T) {
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| 	// template for constructing HTTP request body for PUT bucket policy.
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| 	bucketPolicyTemplate := `{"Version":"2012-10-17","Statement":[{"Action":["s3:GetBucketLocation","s3:ListBucket"],"Effect":"Allow","Principal":{"AWS":["*"]},"Resource":["arn:aws:s3:::%s"]},{"Action":["s3:GetObject"],"Effect":"Allow","Principal":{"AWS":["*"]},"Resource":["arn:aws:s3:::%s/this*"]}]}`
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| 
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| 	// Writing bucket policy before running test on GetBucketPolicy.
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| 	putTestPolicies := []struct {
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| 		bucketName string
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| 		accessKey  string
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| 		secretKey  string
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| 		// expected Response.
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| 		expectedRespStatus int
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| 	}{
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| 		{bucketName, credentials.AccessKey, credentials.SecretKey, http.StatusNoContent},
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| 	}
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| 
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| 	// Iterating over the cases and writing the bucket policy.
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| 	// its required to write the policies first before running tests on GetBucketPolicy.
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| 	for i, testPolicy := range putTestPolicies {
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| 		// obtain the put bucket policy request body.
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| 		bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, testPolicy.bucketName, testPolicy.bucketName)
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| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
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| 		recV4 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
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| 		reqV4, err := newTestSignedRequestV4("PUT", getPutPolicyURL("", testPolicy.bucketName),
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| 			int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey, nil)
 | |
| 		if err != nil {
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| 			t.Fatalf("Test %d: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
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| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
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| 		// Call the ServeHTTP to execute the handler.
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| 		apiRouter.ServeHTTP(recV4, reqV4)
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| 		if recV4.Code != testPolicy.expectedRespStatus {
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| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, recV4.Code)
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| 		}
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV2 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
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| 		reqV2, err := newTestSignedRequestV2("PUT", getPutPolicyURL("", testPolicy.bucketName),
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| 			int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
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| 		// Call the ServeHTTP to execute the handler.
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| 		apiRouter.ServeHTTP(recV2, reqV2)
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| 		if recV2.Code != testPolicy.expectedRespStatus {
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| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, recV2.Code)
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| 		}
 | |
| 	}
 | |
| 
 | |
| 	// test cases with inputs and expected result for GetBucketPolicyHandler.
 | |
| 	testCases := []struct {
 | |
| 		bucketName string
 | |
| 		accessKey  string
 | |
| 		secretKey  string
 | |
| 		// expected output.
 | |
| 		expectedBucketPolicy string
 | |
| 		expectedRespStatus   int
 | |
| 	}{
 | |
| 		// Test case - 1.
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| 		// Case which valid inputs, expected to return success status of 200OK.
 | |
| 		{
 | |
| 			bucketName:           bucketName,
 | |
| 			accessKey:            credentials.AccessKey,
 | |
| 			secretKey:            credentials.SecretKey,
 | |
| 			expectedBucketPolicy: bucketPolicyTemplate,
 | |
| 			expectedRespStatus:   http.StatusOK,
 | |
| 		},
 | |
| 		// Test case - 2.
 | |
| 		// Case with non-existent bucket name.
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| 		{
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| 			bucketName:           "non-existent-bucket",
 | |
| 			accessKey:            credentials.AccessKey,
 | |
| 			secretKey:            credentials.SecretKey,
 | |
| 			expectedBucketPolicy: bucketPolicyTemplate,
 | |
| 			expectedRespStatus:   http.StatusNotFound,
 | |
| 		},
 | |
| 		// Test case - 3.
 | |
| 		// Case with non-existent bucket name.
 | |
| 		{
 | |
| 			bucketName:           ".invalid-bucket-name",
 | |
| 			accessKey:            credentials.AccessKey,
 | |
| 			secretKey:            credentials.SecretKey,
 | |
| 			expectedBucketPolicy: "",
 | |
| 			expectedRespStatus:   http.StatusNotFound,
 | |
| 		},
 | |
| 	}
 | |
| 	// Iterating over the cases, fetching the policy and validating the response.
 | |
| 	for i, testCase := range testCases {
 | |
| 		// expected bucket policy json string.
 | |
| 		expectedBucketPolicyStr := fmt.Sprintf(testCase.expectedBucketPolicy, testCase.bucketName, testCase.bucketName)
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV4 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
 | |
| 		reqV4, err := newTestSignedRequestV4("GET", getGetPolicyURL("", testCase.bucketName),
 | |
| 			0, nil, testCase.accessKey, testCase.secretKey, nil)
 | |
| 
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for GetBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler, GetBucketPolicyHandler handles the request.
 | |
| 		apiRouter.ServeHTTP(recV4, reqV4)
 | |
| 		// Assert the response code with the expected status.
 | |
| 		if recV4.Code != testCase.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, recV4.Code)
 | |
| 		}
 | |
| 		// read the response body.
 | |
| 		bucketPolicyReadBuf, err := ioutil.ReadAll(recV4.Body)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: %s: Failed parsing response body: <ERROR> %v", i+1, instanceType, err)
 | |
| 		}
 | |
| 
 | |
| 		if recV4.Code != testCase.expectedRespStatus {
 | |
| 			// Verify whether the bucket policy fetched is same as the one inserted.
 | |
| 			var expectedPolicy *policy.Policy
 | |
| 			expectedPolicy, err = policy.ParseConfig(strings.NewReader(expectedBucketPolicyStr), testCase.bucketName)
 | |
| 			if err != nil {
 | |
| 				t.Fatalf("unexpected error. %v", err)
 | |
| 			}
 | |
| 			var gotPolicy *policy.Policy
 | |
| 			gotPolicy, err = policy.ParseConfig(bytes.NewReader(bucketPolicyReadBuf), testCase.bucketName)
 | |
| 			if err != nil {
 | |
| 				t.Fatalf("unexpected error. %v", err)
 | |
| 			}
 | |
| 
 | |
| 			if !reflect.DeepEqual(expectedPolicy, gotPolicy) {
 | |
| 				t.Errorf("Test %d: %s: Bucket policy differs from expected value.", i+1, instanceType)
 | |
| 			}
 | |
| 		}
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV2 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
 | |
| 		reqV2, err := newTestSignedRequestV2("GET", getGetPolicyURL("", testCase.bucketName),
 | |
| 			0, nil, testCase.accessKey, testCase.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for GetBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler, GetBucketPolicyHandler handles the request.
 | |
| 		apiRouter.ServeHTTP(recV2, reqV2)
 | |
| 		// Assert the response code with the expected status.
 | |
| 		if recV2.Code != testCase.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, recV2.Code)
 | |
| 		}
 | |
| 		// read the response body.
 | |
| 		bucketPolicyReadBuf, err = ioutil.ReadAll(recV2.Body)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: %s: Failed parsing response body: <ERROR> %v", i+1, instanceType, err)
 | |
| 		}
 | |
| 		if recV2.Code == http.StatusOK {
 | |
| 			// Verify whether the bucket policy fetched is same as the one inserted.
 | |
| 			expectedPolicy, err := policy.ParseConfig(strings.NewReader(expectedBucketPolicyStr), testCase.bucketName)
 | |
| 			if err != nil {
 | |
| 				t.Fatalf("unexpected error. %v", err)
 | |
| 			}
 | |
| 			gotPolicy, err := policy.ParseConfig(bytes.NewReader(bucketPolicyReadBuf), testCase.bucketName)
 | |
| 			if err != nil {
 | |
| 				t.Fatalf("unexpected error. %v", err)
 | |
| 			}
 | |
| 
 | |
| 			if !reflect.DeepEqual(expectedPolicy, gotPolicy) {
 | |
| 				t.Errorf("Test %d: %s: Bucket policy differs from expected value.", i+1, instanceType)
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Test for Anonymous/unsigned http request.
 | |
| 	// Bucket policy related functions doesn't support anonymous requests, setting policies shouldn't make a difference.
 | |
| 	// create unsigned HTTP request for PutBucketPolicyHandler.
 | |
| 	anonReq, err := newTestRequest("GET", getPutPolicyURL("", bucketName), 0, nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("Minio %s: Failed to create an anonymous request for bucket \"%s\": <ERROR> %v",
 | |
| 			instanceType, bucketName, err)
 | |
| 	}
 | |
| 
 | |
| 	// ExecObjectLayerAPIAnonTest - Calls the HTTP API handler using the anonymous request, validates the ErrAccessDeniedResponse,
 | |
| 	// sets the bucket policy using the policy statement generated from `getWriteOnlyObjectStatement` so that the
 | |
| 	// unsigned request goes through and its validated again.
 | |
| 	ExecObjectLayerAPIAnonTest(t, obj, "GetBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getAnonReadOnlyBucketPolicy(bucketName))
 | |
| 
 | |
| 	// HTTP request for testing when `objectLayer` is set to `nil`.
 | |
| 	// There is no need to use an existing bucket and valid input for creating the request
 | |
| 	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.
 | |
| 	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.
 | |
| 	nilBucket := "dummy-bucket"
 | |
| 
 | |
| 	nilReq, err := newTestSignedRequestV4("GET", getGetPolicyURL("", nilBucket),
 | |
| 		0, nil, "", "", nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Errorf("Minio %s: Failed to create HTTP request for testing the response when object Layer is set to `nil`.", instanceType)
 | |
| 	}
 | |
| 	// execute the object layer set to `nil` test.
 | |
| 	// `ExecObjectLayerAPINilTest` manages the operation.
 | |
| 	ExecObjectLayerAPINilTest(t, nilBucket, "", instanceType, apiRouter, nilReq)
 | |
| }
 | |
| 
 | |
| // Wrapper for calling Delete Bucket Policy HTTP handler tests for both XL multiple disks and single node setup.
 | |
| func TestDeleteBucketPolicyHandler(t *testing.T) {
 | |
| 	ExecObjectLayerAPITest(t, testDeleteBucketPolicyHandler, []string{"PutBucketPolicy", "DeleteBucketPolicy"})
 | |
| }
 | |
| 
 | |
| // testDeleteBucketPolicyHandler - Test for Delete bucket policy end point.
 | |
| func testDeleteBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
 | |
| 	credentials auth.Credentials, t *testing.T) {
 | |
| 
 | |
| 	// template for constructing HTTP request body for PUT bucket policy.
 | |
| 	bucketPolicyTemplate := `{
 | |
|     "Version": "2012-10-17",
 | |
|     "Statement": [
 | |
|         {
 | |
|             "Action": [
 | |
|                 "s3:GetBucketLocation",
 | |
|                 "s3:ListBucket"
 | |
|             ],
 | |
|             "Effect": "Allow",
 | |
|             "Principal": {
 | |
|                 "AWS": [
 | |
|                     "*"
 | |
|                 ]
 | |
|             },
 | |
|             "Resource": [
 | |
|                 "arn:aws:s3:::%s"
 | |
|             ]
 | |
|         },
 | |
|         {
 | |
|             "Action": [
 | |
|                 "s3:GetObject"
 | |
|             ],
 | |
|             "Effect": "Allow",
 | |
|             "Principal": {
 | |
|                 "AWS": [
 | |
|                     "*"
 | |
|                 ]
 | |
|             },
 | |
|             "Resource": [
 | |
|                 "arn:aws:s3:::%s/this*"
 | |
|             ]
 | |
|         }
 | |
|     ]
 | |
| }`
 | |
| 
 | |
| 	// Writing bucket policy before running test on DeleteBucketPolicy.
 | |
| 	putTestPolicies := []struct {
 | |
| 		bucketName string
 | |
| 		accessKey  string
 | |
| 		secretKey  string
 | |
| 		// expected Response.
 | |
| 		expectedRespStatus int
 | |
| 	}{
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNoContent,
 | |
| 		},
 | |
| 	}
 | |
| 
 | |
| 	// Iterating over the cases and writing the bucket policy.
 | |
| 	// its required to write the policies first before running tests on GetBucketPolicy.
 | |
| 	for i, testPolicy := range putTestPolicies {
 | |
| 		// obtain the put bucket policy request body.
 | |
| 		bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, testPolicy.bucketName, testPolicy.bucketName)
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV4 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
 | |
| 		reqV4, err := newTestSignedRequestV4("PUT", getPutPolicyURL("", testPolicy.bucketName),
 | |
| 			int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler.
 | |
| 		apiRouter.ServeHTTP(recV4, reqV4)
 | |
| 		if recV4.Code != testPolicy.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, recV4.Code)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// testcases with input and expected output for DeleteBucketPolicyHandler.
 | |
| 	testCases := []struct {
 | |
| 		bucketName string
 | |
| 		accessKey  string
 | |
| 		secretKey  string
 | |
| 		// expected response.
 | |
| 		expectedRespStatus int
 | |
| 	}{
 | |
| 		// Test case - 1.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNoContent,
 | |
| 		},
 | |
| 		// Test case - 2.
 | |
| 		// Case with non-existent-bucket.
 | |
| 		{
 | |
| 			bucketName:         "non-existent-bucket",
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNotFound,
 | |
| 		},
 | |
| 		// Test case - 3.
 | |
| 		// Case with non-existent-bucket.
 | |
| 		{
 | |
| 			bucketName:         ".invalid-bucket-name",
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNotFound,
 | |
| 		},
 | |
| 	}
 | |
| 	// Iterating over the cases and deleting the bucket policy and then asserting response.
 | |
| 	for i, testCase := range testCases {
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV4 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for Delete bucket policy endpoint.
 | |
| 		reqV4, err := newTestSignedRequestV4("DELETE", getDeletePolicyURL("", testCase.bucketName),
 | |
| 			0, nil, testCase.accessKey, testCase.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for GetBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler, DeleteBucketPolicyHandler  handles the request.
 | |
| 		apiRouter.ServeHTTP(recV4, reqV4)
 | |
| 		// Assert the response code with the expected status.
 | |
| 		if recV4.Code != testCase.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, recV4.Code)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Iterating over the cases and writing the bucket policy.
 | |
| 	// its required to write the policies first before running tests on GetBucketPolicy.
 | |
| 	for i, testPolicy := range putTestPolicies {
 | |
| 		// obtain the put bucket policy request body.
 | |
| 		bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, testPolicy.bucketName, testPolicy.bucketName)
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV2 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for PUT bucket policy endpoint.
 | |
| 		reqV2, err := newTestSignedRequestV2("PUT", getPutPolicyURL("", testPolicy.bucketName),
 | |
| 			int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler.
 | |
| 		apiRouter.ServeHTTP(recV2, reqV2)
 | |
| 		if recV2.Code != testPolicy.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, recV2.Code)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	for i, testCase := range testCases {
 | |
| 		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
 | |
| 		recV2 := httptest.NewRecorder()
 | |
| 		// construct HTTP request for Delete bucket policy endpoint.
 | |
| 		reqV2, err := newTestSignedRequestV2("DELETE", getDeletePolicyURL("", testCase.bucketName),
 | |
| 			0, nil, testCase.accessKey, testCase.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: Failed to create HTTP request for GetBucketPolicyHandler: <ERROR> %v", i+1, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 | |
| 		// Call the ServeHTTP to execute the handler, DeleteBucketPolicyHandler  handles the request.
 | |
| 		apiRouter.ServeHTTP(recV2, reqV2)
 | |
| 		// Assert the response code with the expected status.
 | |
| 		if recV2.Code != testCase.expectedRespStatus {
 | |
| 			t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, recV2.Code)
 | |
| 		}
 | |
| 	}
 | |
| 	// Test for Anonymous/unsigned http request.
 | |
| 	// Bucket policy related functions doesn't support anonymous requests, setting policies shouldn't make a difference.
 | |
| 	// create unsigned HTTP request for PutBucketPolicyHandler.
 | |
| 	anonReq, err := newTestRequest("DELETE", getPutPolicyURL("", bucketName), 0, nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("Minio %s: Failed to create an anonymous request for bucket \"%s\": <ERROR> %v",
 | |
| 			instanceType, bucketName, err)
 | |
| 	}
 | |
| 
 | |
| 	// ExecObjectLayerAPIAnonTest - Calls the HTTP API handler using the anonymous request, validates the ErrAccessDeniedResponse,
 | |
| 	// sets the bucket policy using the policy statement generated from `getWriteOnlyObjectStatement` so that the
 | |
| 	// unsigned request goes through and its validated again.
 | |
| 	ExecObjectLayerAPIAnonTest(t, obj, "DeleteBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getAnonWriteOnlyBucketPolicy(bucketName))
 | |
| 
 | |
| 	// HTTP request for testing when `objectLayer` is set to `nil`.
 | |
| 	// There is no need to use an existing bucket and valid input for creating the request
 | |
| 	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.
 | |
| 	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.
 | |
| 	nilBucket := "dummy-bucket"
 | |
| 
 | |
| 	nilReq, err := newTestSignedRequestV4("DELETE", getDeletePolicyURL("", nilBucket),
 | |
| 		0, nil, "", "", nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Errorf("Minio %s: Failed to create HTTP request for testing the response when object Layer is set to `nil`.", instanceType)
 | |
| 	}
 | |
| 	// execute the object layer set to `nil` test.
 | |
| 	// `ExecObjectLayerAPINilTest` manages the operation.
 | |
| 	ExecObjectLayerAPINilTest(t, nilBucket, "", instanceType, apiRouter, nilReq)
 | |
| }
 |