mirror of
				https://github.com/minio/minio.git
				synced 2025-10-26 22:01:30 +01:00 
			
		
		
		
	Ensure that one call will succeed and others will serialize
Example failure without code in place:
```
    bucket-policy-handlers_test.go:120: unexpected error: cmd.InsufficientWriteQuorum: Storage resources are insufficient for the write operation doz2wjqaovp5kvlrv11fyacowgcvoziszmkmzzz9nk9au946qwhci4zkane5-1/
    bucket-policy-handlers_test.go:120: unexpected error: cmd.InsufficientWriteQuorum: Storage resources are insufficient for the write operation doz2wjqaovp5kvlrv11fyacowgcvoziszmkmzzz9nk9au946qwhci4zkane5-1/
    bucket-policy-handlers_test.go:135: want 1 ok, got 0
```
		
	
			
		
			
				
	
	
		
			773 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			773 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright (c) 2015-2021 MinIO, Inc.
 | |
| //
 | |
| // This file is part of MinIO Object Storage stack
 | |
| //
 | |
| // This program is free software: you can redistribute it and/or modify
 | |
| // it under the terms of the GNU Affero General Public License as published by
 | |
| // the Free Software Foundation, either version 3 of the License, or
 | |
| // (at your option) any later version.
 | |
| //
 | |
| // This program is distributed in the hope that it will be useful
 | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
| // GNU Affero General Public License for more details.
 | |
| //
 | |
| // You should have received a copy of the GNU Affero General Public License
 | |
| // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | |
| 
 | |
| package cmd
 | |
| 
 | |
| import (
 | |
| 	"bytes"
 | |
| 	"fmt"
 | |
| 	"io"
 | |
| 	"io/ioutil"
 | |
| 	"net/http"
 | |
| 	"net/http/httptest"
 | |
| 	"reflect"
 | |
| 	"strings"
 | |
| 	"sync"
 | |
| 	"testing"
 | |
| 
 | |
| 	"github.com/minio/minio/internal/auth"
 | |
| 	"github.com/minio/pkg/bucket/policy"
 | |
| 	"github.com/minio/pkg/bucket/policy/condition"
 | |
| )
 | |
| 
 | |
| func getAnonReadOnlyBucketPolicy(bucketName string) *policy.Policy {
 | |
| 	return &policy.Policy{
 | |
| 		Version: policy.DefaultVersion,
 | |
| 		Statements: []policy.Statement{policy.NewStatement(
 | |
| 			policy.Allow,
 | |
| 			policy.NewPrincipal("*"),
 | |
| 			policy.NewActionSet(policy.GetBucketLocationAction, policy.ListBucketAction),
 | |
| 			policy.NewResourceSet(policy.NewResource(bucketName, "")),
 | |
| 			condition.NewFunctions(),
 | |
| 		)},
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func getAnonWriteOnlyBucketPolicy(bucketName string) *policy.Policy {
 | |
| 	return &policy.Policy{
 | |
| 		Version: policy.DefaultVersion,
 | |
| 		Statements: []policy.Statement{policy.NewStatement(
 | |
| 			policy.Allow,
 | |
| 			policy.NewPrincipal("*"),
 | |
| 			policy.NewActionSet(
 | |
| 				policy.GetBucketLocationAction,
 | |
| 				policy.ListBucketMultipartUploadsAction,
 | |
| 			),
 | |
| 			policy.NewResourceSet(policy.NewResource(bucketName, "")),
 | |
| 			condition.NewFunctions(),
 | |
| 		)},
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func getAnonReadOnlyObjectPolicy(bucketName, prefix string) *policy.Policy {
 | |
| 	return &policy.Policy{
 | |
| 		Version: policy.DefaultVersion,
 | |
| 		Statements: []policy.Statement{policy.NewStatement(
 | |
| 			policy.Allow,
 | |
| 			policy.NewPrincipal("*"),
 | |
| 			policy.NewActionSet(policy.GetObjectAction),
 | |
| 			policy.NewResourceSet(policy.NewResource(bucketName, prefix)),
 | |
| 			condition.NewFunctions(),
 | |
| 		)},
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func getAnonWriteOnlyObjectPolicy(bucketName, prefix string) *policy.Policy {
 | |
| 	return &policy.Policy{
 | |
| 		Version: policy.DefaultVersion,
 | |
| 		Statements: []policy.Statement{policy.NewStatement(
 | |
| 			policy.Allow,
 | |
| 			policy.NewPrincipal("*"),
 | |
| 			policy.NewActionSet(
 | |
| 				policy.AbortMultipartUploadAction,
 | |
| 				policy.DeleteObjectAction,
 | |
| 				policy.ListMultipartUploadPartsAction,
 | |
| 				policy.PutObjectAction,
 | |
| 			),
 | |
| 			policy.NewResourceSet(policy.NewResource(bucketName, prefix)),
 | |
| 			condition.NewFunctions(),
 | |
| 		)},
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // Wrapper for calling Create Bucket and ensure we get one and only one success.
 | |
| func TestCreateBucket(t *testing.T) {
 | |
| 	ExecObjectLayerAPITest(t, testCreateBucket, []string{"MakeBucketWithLocation"})
 | |
| }
 | |
| 
 | |
| // testCreateBucket - Test for calling Create Bucket and ensure we get one and only one success.
 | |
| func testCreateBucket(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
 | |
| 	credentials auth.Credentials, t *testing.T) {
 | |
| 	bucketName1 := fmt.Sprintf("%s-1", bucketName)
 | |
| 
 | |
| 	const n = 100
 | |
| 	var start = make(chan struct{})
 | |
| 	var ok, errs int
 | |
| 	var wg sync.WaitGroup
 | |
| 	var mu sync.Mutex
 | |
| 	wg.Add(n)
 | |
| 	for i := 0; i < n; i++ {
 | |
| 		go func() {
 | |
| 			defer wg.Done()
 | |
| 			// Sync start.
 | |
| 			<-start
 | |
| 			if err := obj.MakeBucketWithLocation(GlobalContext, bucketName1, BucketOptions{}); err != nil {
 | |
| 				if _, ok := err.(BucketExists); !ok {
 | |
| 					t.Logf("unexpected error: %T: %v", err, err)
 | |
| 					return
 | |
| 				}
 | |
| 				mu.Lock()
 | |
| 				errs++
 | |
| 				mu.Unlock()
 | |
| 				return
 | |
| 			}
 | |
| 			mu.Lock()
 | |
| 			ok++
 | |
| 			mu.Unlock()
 | |
| 		}()
 | |
| 	}
 | |
| 	close(start)
 | |
| 	wg.Wait()
 | |
| 	if ok != 1 {
 | |
| 		t.Fatalf("want 1 ok, got %d", ok)
 | |
| 	}
 | |
| 	if errs != n-1 {
 | |
| 		t.Fatalf("want %d errors, got %d", n-1, errs)
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // Wrapper for calling Put Bucket Policy HTTP handler tests for both Erasure multiple disks and single node setup.
 | |
| func TestPutBucketPolicyHandler(t *testing.T) {
 | |
| 	ExecObjectLayerAPITest(t, testPutBucketPolicyHandler, []string{"PutBucketPolicy"})
 | |
| }
 | |
| 
 | |
| // testPutBucketPolicyHandler - Test for Bucket policy end point.
 | |
| func testPutBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
 | |
| 	credentials auth.Credentials, t *testing.T) {
 | |
| 
 | |
| 	bucketName1 := fmt.Sprintf("%s-1", bucketName)
 | |
| 	if err := obj.MakeBucketWithLocation(GlobalContext, bucketName1, BucketOptions{}); err != nil {
 | |
| 		t.Fatal(err)
 | |
| 	}
 | |
| 
 | |
| 	// template for constructing HTTP request body for PUT bucket policy.
 | |
| 	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*"]}]}`
 | |
| 
 | |
| 	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*"]}]}`
 | |
| 
 | |
| 	// test cases with sample input and expected output.
 | |
| 	testCases := []struct {
 | |
| 		bucketName string
 | |
| 		// bucket policy to be set,
 | |
| 		// set as request body.
 | |
| 		bucketPolicyReader io.ReadSeeker
 | |
| 		// length in bytes of the bucket policy being set.
 | |
| 		policyLen int
 | |
| 		accessKey string
 | |
| 		secretKey string
 | |
| 		// expected Response.
 | |
| 		expectedRespStatus int
 | |
| 	}{
 | |
| 		// Test case - 1.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
 | |
| 
 | |
| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNoContent,
 | |
| 		},
 | |
| 		// Test case - 2.
 | |
| 		// Setting the content length to be more than max allowed size.
 | |
| 		// Expecting StatusBadRequest (400).
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
 | |
| 
 | |
| 			policyLen:          maxBucketPolicySize + 1,
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusBadRequest,
 | |
| 		},
 | |
| 		// Test case - 3.
 | |
| 		// Case with content-length of the HTTP request set to 0.
 | |
| 		// Expecting the HTTP response status to be StatusLengthRequired (411).
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
 | |
| 
 | |
| 			policyLen:          0,
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusLengthRequired,
 | |
| 		},
 | |
| 		// Test case - 4.
 | |
| 		// setting the readSeeker to `nil`, bucket policy parser will fail.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: nil,
 | |
| 
 | |
| 			policyLen:          10,
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusBadRequest,
 | |
| 		},
 | |
| 		// Test case - 5.
 | |
| 		// setting the keys to be empty.
 | |
| 		// Expecting statusForbidden.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: nil,
 | |
| 
 | |
| 			policyLen:          10,
 | |
| 			accessKey:          "",
 | |
| 			secretKey:          "",
 | |
| 			expectedRespStatus: http.StatusForbidden,
 | |
| 		},
 | |
| 		// Test case - 6.
 | |
| 		// setting an invalid bucket policy.
 | |
| 		// the bucket policy parser will fail.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte("dummy-policy")),
 | |
| 
 | |
| 			policyLen:          len([]byte("dummy-policy")),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusBadRequest,
 | |
| 		},
 | |
| 		// Test case - 7.
 | |
| 		// Different bucket name used in the HTTP request and the policy string.
 | |
| 		// checkBucketPolicyResources should fail.
 | |
| 		{
 | |
| 			bucketName:         bucketName1,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName))),
 | |
| 
 | |
| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusBadRequest,
 | |
| 		},
 | |
| 		// Test case - 8.
 | |
| 		// non-existent bucket is used.
 | |
| 		// writing BucketPolicy should fail.
 | |
| 		// should result in 404 StatusNotFound
 | |
| 		{
 | |
| 			bucketName:         "non-existent-bucket",
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, "non-existent-bucket", "non-existent-bucket"))),
 | |
| 
 | |
| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNotFound,
 | |
| 		},
 | |
| 		// Test case - 9.
 | |
| 		// non-existent bucket is used (with invalid bucket name)
 | |
| 		// writing BucketPolicy should fail.
 | |
| 		// should result in 404 StatusNotFound
 | |
| 		{
 | |
| 			bucketName:         ".invalid-bucket",
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, ".invalid-bucket", ".invalid-bucket"))),
 | |
| 
 | |
| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusNotFound,
 | |
| 		},
 | |
| 		// Test case - 10.
 | |
| 		// Existent bucket with policy with Version field empty.
 | |
| 		// writing BucketPolicy should fail.
 | |
| 		// should result in 400 StatusBadRequest.
 | |
| 		{
 | |
| 			bucketName:         bucketName,
 | |
| 			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplateWithoutVersion, bucketName, bucketName))),
 | |
| 
 | |
| 			policyLen:          len(fmt.Sprintf(bucketPolicyTemplateWithoutVersion, bucketName, bucketName)),
 | |
| 			accessKey:          credentials.AccessKey,
 | |
| 			secretKey:          credentials.SecretKey,
 | |
| 			expectedRespStatus: http.StatusBadRequest,
 | |
| 		},
 | |
| 	}
 | |
| 
 | |
| 	// Iterating over the test cases, calling the function under test and asserting the response.
 | |
| 	for i, testCase := range testCases {
 | |
| 		// obtain the put bucket policy request body.
 | |
| 		// 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(http.MethodPut, getPutPolicyURL("", testCase.bucketName),
 | |
| 			int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: %s: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, instanceType, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
 | |
| 		// Call the ServeHTTP to execute the handler.
 | |
| 		apiRouter.ServeHTTP(recV4, reqV4)
 | |
| 		if recV4.Code != testCase.expectedRespStatus {
 | |
| 			t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, recV4.Code)
 | |
| 		}
 | |
| 		// 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(http.MethodPut, getPutPolicyURL("", testCase.bucketName),
 | |
| 			int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("Test %d: %s: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, instanceType, err)
 | |
| 		}
 | |
| 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
 | |
| 		// Call the ServeHTTP to execute the handler.
 | |
| 		apiRouter.ServeHTTP(recV2, reqV2)
 | |
| 		if recV2.Code != testCase.expectedRespStatus {
 | |
| 			t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, 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.
 | |
| 	bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, bucketName, bucketName)
 | |
| 	// create unsigned HTTP request for PutBucketPolicyHandler.
 | |
| 	anonReq, err := newTestRequest(http.MethodPut, getPutPolicyURL("", bucketName),
 | |
| 		int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)))
 | |
| 
 | |
| 	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, "PutBucketPolicyHandler", 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(http.MethodPut, getPutPolicyURL("", 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 Get Bucket Policy HTTP handler tests for both Erasure multiple disks and single node setup.
 | |
| func TestGetBucketPolicyHandler(t *testing.T) {
 | |
| 	ExecObjectLayerAPITest(t, testGetBucketPolicyHandler, []string{"PutBucketPolicy", "GetBucketPolicy"})
 | |
| }
 | |
| 
 | |
| // testGetBucketPolicyHandler - Test for end point which fetches the access policy json of the given bucket.
 | |
| func testGetBucketPolicyHandler(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 GetBucketPolicy.
 | |
| 	putTestPolicies := []struct {
 | |
| 		bucketName string
 | |
| 		accessKey  string
 | |
| 		secretKey  string
 | |
| 		// expected Response.
 | |
| 		expectedRespStatus int
 | |
| 	}{
 | |
| 		{bucketName, credentials.AccessKey, credentials.SecretKey, 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(http.MethodPut, 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 ofthe 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)
 | |
| 		}
 | |
| 		// 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(http.MethodPut, 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 ofthe 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)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// 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.
 | |
| 		// 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.
 | |
| 		{
 | |
| 			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(http.MethodGet, 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(http.MethodGet, 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(http.MethodGet, 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(http.MethodGet, 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 Erasure 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(http.MethodPut, 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(http.MethodDelete, 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(http.MethodPut, 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(http.MethodDelete, 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(http.MethodDelete, 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(http.MethodDelete, 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)
 | |
| }
 |