minio/bucket-policy-handlers_test.go
karthic rao 2e0742e309 bucket policy: Support for '?' wildcard. (#2353)
- Support for '?' wildcard for resource matching.

- Wildcard package is added with Match functions.

- Wildcard.Match supports '*' and wild.MatchExtended supports both '*'
  and '?' wildcards in the pattern string.

- Tests for the same for the wide range of cases.
2016-08-04 00:41:32 -07:00

608 lines
29 KiB
Go

/*
* Minio Cloud Storage, (C) 2015, 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 main
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
)
// 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 = []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 subfolders 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 shouldnot 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 shouldnot 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) {
ExecObjectLayerTest(t, testPutBucketPolicyHandler)
}
// testPutBucketPolicyHandler - Test for Bucket policy end point.
// TODO: Add exhaustive cases with various combination of statement fields.
func testPutBucketPolicyHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
// get random bucket name.
bucketName := getRandomBucketName()
// Create bucket.
err := obj.MakeBucket(bucketName)
if err != nil {
// failed to create newbucket, abort.
t.Fatalf("%s : %s", instanceType, err)
}
// Register the API end points with XL/FS object layer.
apiRouter := initTestAPIEndPoints(obj, []string{"PutBucketPolicy"})
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("Init Test config failed")
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
credentials := serverConfig.GetCredential()
// 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*"
]
}
]
}`
// test cases with sample input and expected output.
testCases := []struct {
bucketName string
accessKey string
secretKey string
// expected Response.
expectedRespStatus int
}{
{bucketName, credentials.AccessKeyID, credentials.SecretAccessKey, http.StatusNoContent},
}
// 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.
bucketPolicyStr := fmt.Sprintf(bucketPolicyTemplate, testCase.bucketName, testCase.bucketName)
// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
rec := httptest.NewRecorder()
// construct HTTP request for PUT bucket policy endpoint.
req, err := newTestSignedRequest("PUT", getPutPolicyURL("", testCase.bucketName),
int64(len(bucketPolicyStr)), bytes.NewReader([]byte(bucketPolicyStr)), testCase.accessKey, testCase.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(rec, req)
if rec.Code != testCase.expectedRespStatus {
t.Errorf("Test %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, rec.Code)
}
}
}
// Wrapper for calling Get Bucket Policy HTTP handler tests for both XL multiple disks and single node setup.
func TestGetBucketPolicyHandler(t *testing.T) {
ExecObjectLayerTest(t, testGetBucketPolicyHandler)
}
// testGetBucketPolicyHandler - Test for end point which fetches the access policy json of the given bucket.
// TODO: Add exhaustive cases with various combination of statement fields.
func testGetBucketPolicyHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
// get random bucket name.
bucketName := getRandomBucketName()
// Create bucket.
err := obj.MakeBucket(bucketName)
if err != nil {
// failed to create newbucket, abort.
t.Fatalf("%s : %s", instanceType, err)
}
// Register the API end points with XL/FS object layer.
// Registering only the PutBucketPolicy and GetBucketPolicy handlers.
apiRouter := initTestAPIEndPoints(obj, []string{"PutBucketPolicy", "GetBucketPolicy"})
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("Init Test config failed")
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
credentials := serverConfig.GetCredential()
// 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.AccessKeyID, credentials.SecretAccessKey, 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.
rec := httptest.NewRecorder()
// construct HTTP request for PUT bucket policy endpoint.
req, err := newTestSignedRequest("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(rec, req)
if rec.Code != testPolicy.expectedRespStatus {
t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, rec.Code)
}
}
// test cases with inputs and expected result for GetBucketPolicyHandler.
testCases := []struct {
bucketName string
accessKey string
secretKey string
// expected output.
expectedBucketPolicy string
expectedRespStatus int
}{
{bucketName, credentials.AccessKeyID, credentials.SecretAccessKey, bucketPolicyTemplate, http.StatusOK},
}
// 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.
rec := httptest.NewRecorder()
// construct HTTP request for PUT bucket policy endpoint.
req, err := newTestSignedRequest("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(rec, req)
// Assert the response code with the expected status.
if rec.Code != testCase.expectedRespStatus {
t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, rec.Code)
}
// read the response body.
bucketPolicyReadBuf, err := ioutil.ReadAll(rec.Body)
if err != nil {
t.Fatalf("Test %d: %s: Failed parsing response body: <ERROR> %v", i+1, instanceType, err)
}
// 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)
}
}
}
// Wrapper for calling Delete Bucket Policy HTTP handler tests for both XL multiple disks and single node setup.
func TestDeleteBucketPolicyHandler(t *testing.T) {
ExecObjectLayerTest(t, testDeleteBucketPolicyHandler)
}
// testDeleteBucketPolicyHandler - Test for Delete bucket policy end point.
// TODO: Add exhaustive cases with various combination of statement fields.
func testDeleteBucketPolicyHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
// get random bucket name.
bucketName := getRandomBucketName()
// Create bucket.
err := obj.MakeBucket(bucketName)
if err != nil {
// failed to create newbucket, abort.
t.Fatalf("%s : %s", instanceType, err)
}
// Register the API end points with XL/FS object layer.
// Registering PutBucketPolicy and DeleteBucketPolicy handlers.
apiRouter := initTestAPIEndPoints(obj, []string{"PutBucketPolicy", "DeleteBucketPolicy"})
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("Init Test config failed")
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
credentials := serverConfig.GetCredential()
// 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, credentials.AccessKeyID, credentials.SecretAccessKey, 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.
rec := httptest.NewRecorder()
// construct HTTP request for PUT bucket policy endpoint.
req, err := newTestSignedRequest("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(rec, req)
if rec.Code != testPolicy.expectedRespStatus {
t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testPolicy.expectedRespStatus, rec.Code)
}
}
// testcases with input and expected output for DeleteBucketPolicyHandler.
testCases := []struct {
bucketName string
accessKey string
secretKey string
// expected Response.
expectedRespStatus int
}{
{bucketName, credentials.AccessKeyID, credentials.SecretAccessKey, http.StatusNoContent},
}
// 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.
rec := httptest.NewRecorder()
// construct HTTP request for Delete bucket policy endpoint.
req, err := newTestSignedRequest("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(rec, req)
// Assert the response code with the expected status.
if rec.Code != testCase.expectedRespStatus {
t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, rec.Code)
}
}
}