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minio/cmd/bucket-policy-handlers_test.go

957 lines
46 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"github.com/minio/minio-go/pkg/set"
)
// Tests validate Bucket policy resource matcher.
func TestBucketPolicyResourceMatch(t *testing.T) {
// generates statement with given resource..
generateStatement := func(resource string) policyStatement {
statement := policyStatement{}
statement.Resources = set.CreateStringSet([]string{resource}...)
return statement
}
// generates resource prefix.
generateResource := func(bucketName, objectName string) string {
return AWSResourcePrefix + bucketName + "/" + objectName
}
testCases := []struct {
resourceToMatch string
statement policyStatement
expectedResourceMatch bool
}{
// Test case 1-4.
// Policy with resource ending with bucket/* allows access to all objects inside the given bucket.
{generateResource("minio-bucket", ""), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/*")), true},
{generateResource("minio-bucket", ""), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/*")), true},
{generateResource("minio-bucket", ""), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/*")), true},
{generateResource("minio-bucket", ""), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/*")), true},
// Test case - 5.
// Policy with resource ending with bucket/oo* should not allow access to bucket/output.txt.
{generateResource("minio-bucket", "output.txt"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/oo*")), false},
// Test case - 6.
// Policy with resource ending with bucket/oo* should allow access to bucket/ootput.txt.
{generateResource("minio-bucket", "ootput.txt"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/oo*")), true},
// Test case - 7.
// Policy with resource ending with bucket/oo* allows access to all sub-dirs starting with "oo" inside given bucket.
{generateResource("minio-bucket", "oop-bucket/my-file"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/oo*")), true},
// Test case - 8.
{generateResource("minio-bucket", "Asia/India/1.pjg"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/Asia/Japan/*")), false},
// Test case - 9.
{generateResource("minio-bucket", "Asia/India/1.pjg"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix, "minio-bucket"+"/Asia/Japan/*")), false},
// Test case - 10.
// Proves that the name space is flat.
{generateResource("minio-bucket", "Africa/Bihar/India/design_info.doc/Bihar"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix,
"minio-bucket"+"/*/India/*/Bihar")), true},
// Test case - 11.
// Proves that the name space is flat.
{generateResource("minio-bucket", "Asia/China/India/States/Bihar/output.txt"), generateStatement(fmt.Sprintf("%s%s", AWSResourcePrefix,
"minio-bucket"+"/*/India/*/Bihar/*")), true},
}
for i, testCase := range testCases {
actualResourceMatch := bucketPolicyResourceMatch(testCase.resourceToMatch, testCase.statement)
if testCase.expectedResourceMatch != actualResourceMatch {
t.Errorf("Test %d: Expected Resource match to be `%v`, but instead found it to be `%v`", i+1, testCase.expectedResourceMatch, actualResourceMatch)
}
}
}
// TestBucketPolicyActionMatch - Test validates whether given action on the
// bucket/object matches the allowed actions in policyStatement.
// This test preserves the allowed actions for all 3 sets of policies, that is read-write,read-only, write-only.
// The intention of the test is to catch any changes made to allowed action for on eof the above 3 major policy groups mentioned.
func TestBucketPolicyActionMatch(t *testing.T) {
bucketName := getRandomBucketName()
objectPrefix := "test-object"
testCases := []struct {
action string
statement policyStatement
expectedResult bool
}{
// s3:GetBucketLocation is the action necessary to be present in the bucket policy to allow
// fetching of bucket location on an Anonymous/unsigned request.
//r ead-write bucket policy is expected to allow GetBucketLocation operation on an anonymous request (Test case - 1).
{"s3:GetBucketLocation", getReadWriteBucketStatement(bucketName, objectPrefix), true},
// write-only bucket policy is expected to allow GetBucketLocation operation on an anonymous request (Test case - 2).
{"s3:GetBucketLocation", getWriteOnlyBucketStatement(bucketName, objectPrefix), true},
// read-only bucket policy is expected to allow GetBucketLocation operation on an anonymous request (Test case - 3).
{"s3:GetBucketLocation", getReadOnlyBucketStatement(bucketName, objectPrefix), true},
// Any of the Object level access permissions shouldn't allow for GetBucketLocation operation on an Anonymous/unsigned request (Test cases 4-6).
{"s3:GetBucketLocation", getReadWriteObjectStatement(bucketName, objectPrefix), false},
{"s3:GetBucketLocation", getWriteOnlyObjectStatement(bucketName, objectPrefix), false},
{"s3:GetBucketLocation", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// s3:ListBucketMultipartUploads is the action necessary to be present in the bucket policy to allow
// Listing of multipart uploads in a given bucket for an Anonymous/unsigned request.
//read-write bucket policy is expected to allow ListBucketMultipartUploads operation on an anonymous request (Test case 7).
{"s3:ListBucketMultipartUploads", getReadWriteBucketStatement(bucketName, objectPrefix), true},
// write-only bucket policy is expected to allow ListBucketMultipartUploads operation on an anonymous request (Test case 8).
{"s3:ListBucketMultipartUploads", getWriteOnlyBucketStatement(bucketName, objectPrefix), true},
// read-only bucket policy is expected to not allow ListBucketMultipartUploads operation on an anonymous request (Test case 9).
// the allowed actions in read-only bucket statement are "s3:GetBucketLocation","s3:ListBucket",
// this should not allow for ListBucketMultipartUploads operations.
{"s3:ListBucketMultipartUploads", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
// Any of the object level policy will not allow for s3:ListBucketMultipartUploads (Test cases 10-12).
{"s3:ListBucketMultipartUploads", getReadWriteObjectStatement(bucketName, objectPrefix), false},
{"s3:ListBucketMultipartUploads", getWriteOnlyObjectStatement(bucketName, objectPrefix), false},
{"s3:ListBucketMultipartUploads", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// s3:ListBucket is the action necessary to be present in the bucket policy to allow
// listing of all objects inside a given bucket on an Anonymous/unsigned request.
// Cases for testing ListBucket access for different Bucket level access permissions.
// read-only bucket policy is expected to allow ListBucket operation on an anonymous request (Test case 13).
{"s3:ListBucket", getReadOnlyBucketStatement(bucketName, objectPrefix), true},
// read-write bucket policy is expected to allow ListBucket operation on an anonymous request (Test case 14).
{"s3:ListBucket", getReadWriteBucketStatement(bucketName, objectPrefix), true},
// write-only bucket policy is expected to not allow ListBucket operation on an anonymous request (Test case 15).
// the allowed actions in write-only bucket statement are "s3:GetBucketLocation", "s3:ListBucketMultipartUploads",
// this should not allow for ListBucket operations.
{"s3:ListBucket", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// Cases for testing ListBucket access for different Object level access permissions (Test cases 16-18).
// Any of the Object level access permissions shouldn't allow for ListBucket operation on an Anonymous/unsigned request.
{"s3:ListBucket", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
{"s3:ListBucket", getReadWriteObjectStatement(bucketName, objectPrefix), false},
{"s3:ListBucket", getWriteOnlyObjectStatement(bucketName, objectPrefix), false},
// s3:DeleteObject is the action necessary to be present in the bucket policy to allow
// deleting/removal of objects inside a given bucket for an Anonymous/unsigned request.
// Cases for testing DeleteObject access for different Bucket level access permissions (Test cases 19-21).
// Any of the Bucket level access permissions shouldn't allow for DeleteObject operation on an Anonymous/unsigned request.
{"s3:DeleteObject", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
{"s3:DeleteObject", getReadWriteBucketStatement(bucketName, objectPrefix), false},
{"s3:DeleteObject", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// Cases for testing DeleteObject access for different Object level access permissions (Test cases 22).
// read-only bucket policy is expected to not allow Delete Object operation on an anonymous request.
{"s3:DeleteObject", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// read-write bucket policy is expected to allow Delete Bucket operation on an anonymous request (Test cases 23).
{"s3:DeleteObject", getReadWriteObjectStatement(bucketName, objectPrefix), true},
// write-only bucket policy is expected to allow Delete Object operation on an anonymous request (Test cases 24).
{"s3:DeleteObject", getWriteOnlyObjectStatement(bucketName, objectPrefix), true},
// s3:AbortMultipartUpload is the action necessary to be present in the bucket policy to allow
// cancelling or abortion of an already initiated multipart upload operation for an Anonymous/unsigned request.
// Cases for testing AbortMultipartUpload access for different Bucket level access permissions (Test cases 25-27).
// Any of the Bucket level access permissions shouldn't allow for AbortMultipartUpload operation on an Anonymous/unsigned request.
{"s3:AbortMultipartUpload", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
{"s3:AbortMultipartUpload", getReadWriteBucketStatement(bucketName, objectPrefix), false},
{"s3:AbortMultipartUpload", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// Cases for testing AbortMultipartUpload access for different Object level access permissions.
// read-only object policy is expected to not allow AbortMultipartUpload operation on an anonymous request (Test case 28).
{"s3:AbortMultipartUpload", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// read-write object policy is expected to allow AbortMultipartUpload operation on an anonymous request (Test case 29).
{"s3:AbortMultipartUpload", getReadWriteObjectStatement(bucketName, objectPrefix), true},
// write-only object policy is expected to allow AbortMultipartUpload operation on an anonymous request (Test case 30).
{"s3:AbortMultipartUpload", getWriteOnlyObjectStatement(bucketName, objectPrefix), true},
// s3:PutObject is the action necessary to be present in the bucket policy to allow
// uploading of an object for an Anonymous/unsigned request.
// Cases for testing PutObject access for different Bucket level access permissions (Test cases 31-33).
// Any of the Bucket level access permissions shouldn't allow for PutObject operation on an Anonymous/unsigned request.
{"s3:PutObject", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
{"s3:PutObject", getReadWriteBucketStatement(bucketName, objectPrefix), false},
{"s3:PutObject", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// Cases for testing PutObject access for different Object level access permissions.
// read-only object policy is expected to not allow PutObject operation on an anonymous request (Test case 34).
{"s3:PutObject", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// read-write object policy is expected to allow PutObject operation on an anonymous request (Test case 35).
{"s3:PutObject", getReadWriteObjectStatement(bucketName, objectPrefix), true},
// write-only object policy is expected to allow PutObject operation on an anonymous request (Test case 36).
{"s3:PutObject", getWriteOnlyObjectStatement(bucketName, objectPrefix), true},
// s3:GetObject is the action necessary to be present in the bucket policy to allow
// downloading of an object for an Anonymous/unsigned request.
// Cases for testing GetObject access for different Bucket level access permissions (Test cases 37-39).
// Any of the Bucket level access permissions shouldn't allow for GetObject operation on an Anonymous/unsigned request.
{"s3:GetObject", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
{"s3:GetObject", getReadWriteBucketStatement(bucketName, objectPrefix), false},
{"s3:GetObject", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// Cases for testing GetObject access for different Object level access permissions.
// read-only bucket policy is expected to allow downloading of an Object on an anonymous request (Test case 40).
{"s3:GetObject", getReadOnlyObjectStatement(bucketName, objectPrefix), true},
// read-write bucket policy is expected to allow downloading of an Object on an anonymous request (Test case 41).
{"s3:GetObject", getReadWriteObjectStatement(bucketName, objectPrefix), true},
// write-only bucket policy is expected to not allow downloading of an Object on an anonymous request (Test case 42).
{"s3:GetObject", getWriteOnlyObjectStatement(bucketName, objectPrefix), false},
// s3:ListMultipartUploadParts is the action necessary to be present in the bucket policy to allow
// Listing of uploaded parts for an Anonymous/unsigned request.
// Any of the Bucket level access permissions shouldn't allow for ListMultipartUploadParts operation on an Anonymous/unsigned request.
// read-only bucket policy is expected to not allow ListMultipartUploadParts operation on an anonymous request (Test cases 43-45).
{"s3:ListMultipartUploadParts", getReadOnlyBucketStatement(bucketName, objectPrefix), false},
{"s3:ListMultipartUploadParts", getReadWriteBucketStatement(bucketName, objectPrefix), false},
{"s3:ListMultipartUploadParts", getWriteOnlyBucketStatement(bucketName, objectPrefix), false},
// read-only object policy is expected to not allow ListMultipartUploadParts operation on an anonymous request (Test case 46).
{"s3:ListMultipartUploadParts", getReadOnlyObjectStatement(bucketName, objectPrefix), false},
// read-write object policy is expected to allow ListMultipartUploadParts operation on an anonymous request (Test case 47).
{"s3:ListMultipartUploadParts", getReadWriteObjectStatement(bucketName, objectPrefix), true},
// write-only object policy is expected to allow ListMultipartUploadParts operation on an anonymous request (Test case 48).
{"s3:ListMultipartUploadParts", getWriteOnlyObjectStatement(bucketName, objectPrefix), true},
}
for i, testCase := range testCases {
actualResult := bucketPolicyActionMatch(testCase.action, testCase.statement)
if testCase.expectedResult != actualResult {
t.Errorf("Test %d: Expected the result to be `%v`, but instead found it to be `%v`", i+1, testCase.expectedResult, actualResult)
}
}
}
// Wrapper for calling Put Bucket Policy HTTP handler tests for both XL 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 credential, t *testing.T) {
initBucketPolicies(obj)
bucketName1 := fmt.Sprintf("%s-1", bucketName)
if err := obj.MakeBucket(bucketName1); 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*"]}]}`
// 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: maxAccessPolicySize + 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 is 500 InternalServerError.
{
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.
// invalid bucket name is used.
// writing BucketPolicy should fail.
// should result is 400 StatusBadRequest.
{
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.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("PUT", getPutPolicyURL("", testCase.bucketName),
int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey)
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("PUT", getPutPolicyURL("", testCase.bucketName),
int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey)
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("PUT", 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, "PutBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getWriteOnlyObjectStatement)
// 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("PUT", getPutPolicyURL("", nilBucket),
0, 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 XL 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 credential, t *testing.T) {
// initialize bucket policy.
initBucketPolicies(obj)
// 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"],"Sid":""},{"Action":["s3:GetObject"],"Effect":"Allow","Principal":{"AWS":["*"]},"Resource":["arn:aws:s3:::%s/this*"],"Sid":""}]}`
// 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("PUT", getPutPolicyURL("", testPolicy.bucketName),
int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey)
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("PUT", getPutPolicyURL("", testPolicy.bucketName),
int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testPolicy.accessKey, testPolicy.secretKey)
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 invalid bucket name.
{
bucketName: ".invalid-bucket-name",
accessKey: credentials.AccessKey,
secretKey: credentials.SecretKey,
expectedBucketPolicy: "",
expectedRespStatus: http.StatusBadRequest,
},
}
// 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)
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.
if expectedBucketPolicyStr != string(bucketPolicyReadBuf) {
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)
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.
if expectedBucketPolicyStr != string(bucketPolicyReadBuf) {
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, "GetBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getReadOnlyObjectStatement)
// 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, "", "")
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 credential, t *testing.T) {
// initialize bucket policy.
initBucketPolicies(obj)
// 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)
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 invalid bucket name.
{
bucketName: ".invalid-bucket-name",
accessKey: credentials.AccessKey,
secretKey: credentials.SecretKey,
expectedRespStatus: http.StatusBadRequest,
},
}
// 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)
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)
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)
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, "DeleteBucketPolicyHandler", bucketName, "", instanceType, apiRouter, anonReq, getReadOnlyObjectStatement)
// 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, "", "")
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)
}
// TestBucketPolicyConditionMatch - Tests to validate whether bucket policy conditions match.
func TestBucketPolicyConditionMatch(t *testing.T) {
// obtain the inner map[string]set.StringSet for policyStatement.Conditions .
getInnerMap := func(key2, value string) map[string]set.StringSet {
innerMap := make(map[string]set.StringSet)
innerMap[key2] = set.CreateStringSet(value)
return innerMap
}
// obtain policyStatement with Conditions set.
getStatementWithCondition := func(key1, key2, value string) policyStatement {
innerMap := getInnerMap(key2, value)
// to set policyStatment.Conditions .
conditions := make(map[string]map[string]set.StringSet)
conditions[key1] = innerMap
// new policy statement.
statement := policyStatement{}
// set the condition.
statement.Conditions = conditions
return statement
}
testCases := []struct {
statementCondition policyStatement
condition map[string]set.StringSet
expectedMatch bool
}{
// Test case - 1.
// StringEquals condition matches.
{
statementCondition: getStatementWithCondition("StringEquals", "s3:prefix", "Asia/"),
condition: getInnerMap("prefix", "Asia/"),
expectedMatch: true,
},
// Test case - 2.
// StringEquals condition doesn't match.
{
statementCondition: getStatementWithCondition("StringEquals", "s3:prefix", "Asia/"),
condition: getInnerMap("prefix", "Africa/"),
expectedMatch: false,
},
// Test case - 3.
// StringEquals condition matches.
{
statementCondition: getStatementWithCondition("StringEquals", "s3:max-keys", "Asia/"),
condition: getInnerMap("max-keys", "Asia/"),
expectedMatch: true,
},
// Test case - 4.
// StringEquals condition doesn't match.
{
statementCondition: getStatementWithCondition("StringEquals", "s3:max-keys", "Asia/"),
condition: getInnerMap("max-keys", "Africa/"),
expectedMatch: false,
},
// Test case - 5.
// StringNotEquals condition matches.
{
statementCondition: getStatementWithCondition("StringNotEquals", "s3:prefix", "Asia/"),
condition: getInnerMap("prefix", "Asia/"),
expectedMatch: true,
},
// Test case - 6.
// StringNotEquals condition doesn't match.
{
statementCondition: getStatementWithCondition("StringNotEquals", "s3:prefix", "Asia/"),
condition: getInnerMap("prefix", "Africa/"),
expectedMatch: false,
},
// Test case - 7.
// StringNotEquals condition matches.
{
statementCondition: getStatementWithCondition("StringNotEquals", "s3:max-keys", "Asia/"),
condition: getInnerMap("max-keys", "Asia/"),
expectedMatch: true,
},
// Test case - 8.
// StringNotEquals condition doesn't match.
{
statementCondition: getStatementWithCondition("StringNotEquals", "s3:max-keys", "Asia/"),
condition: getInnerMap("max-keys", "Africa/"),
expectedMatch: false,
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("Test case %d: Failed.", i+1), func(t *testing.T) {
// call the function under test and assert the result with the expected result.
doesMatch := bucketPolicyConditionMatch(tc.condition, tc.statementCondition)
if tc.expectedMatch != doesMatch {
t.Errorf("Expected the match to be `%v`; got `%v`.", tc.expectedMatch, doesMatch)
}
})
}
}