mirror of https://github.com/minio/minio.git
712 lines
28 KiB
Go
712 lines
28 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 cmd
|
||
|
||
import (
|
||
"bytes"
|
||
"encoding/json"
|
||
"errors"
|
||
"fmt"
|
||
"testing"
|
||
|
||
"github.com/minio/minio-go/pkg/set"
|
||
)
|
||
|
||
// Common bucket actions for both read and write policies.
|
||
var (
|
||
readWriteBucketActions = []string{
|
||
"s3:GetBucketLocation",
|
||
"s3:ListBucket",
|
||
"s3:ListBucketMultipartUploads",
|
||
// Add more bucket level read-write actions here.
|
||
}
|
||
readWriteObjectActions = []string{
|
||
"s3:AbortMultipartUpload",
|
||
"s3:DeleteObject",
|
||
"s3:GetObject",
|
||
"s3:ListMultipartUploadParts",
|
||
"s3:PutObject",
|
||
// Add more object level read-write actions here.
|
||
}
|
||
)
|
||
|
||
// Write only actions.
|
||
var (
|
||
writeOnlyBucketActions = []string{
|
||
"s3:GetBucketLocation",
|
||
"s3:ListBucketMultipartUploads",
|
||
// Add more bucket level write actions here.
|
||
}
|
||
writeOnlyObjectActions = []string{
|
||
"s3:AbortMultipartUpload",
|
||
"s3:DeleteObject",
|
||
"s3:ListMultipartUploadParts",
|
||
"s3:PutObject",
|
||
// Add more object level write actions here.
|
||
}
|
||
)
|
||
|
||
// Read only actions.
|
||
var (
|
||
readOnlyBucketActions = []string{
|
||
"s3:GetBucketLocation",
|
||
"s3:ListBucket",
|
||
// Add more bucket level read actions here.
|
||
}
|
||
readOnlyObjectActions = []string{
|
||
"s3:GetObject",
|
||
// Add more object level read actions here.
|
||
}
|
||
)
|
||
|
||
// Obtain bucket statement for read-write bucketPolicy.
|
||
func getReadWriteObjectStatement(bucketName, objectPrefix string) policyStatement {
|
||
objectResourceStatement := policyStatement{}
|
||
objectResourceStatement.Effect = "Allow"
|
||
objectResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
objectResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName+"/"+objectPrefix+"*")}...)
|
||
objectResourceStatement.Actions = set.CreateStringSet(readWriteObjectActions...)
|
||
return objectResourceStatement
|
||
}
|
||
|
||
// Obtain object statement for read-write bucketPolicy.
|
||
func getReadWriteBucketStatement(bucketName, objectPrefix string) policyStatement {
|
||
bucketResourceStatement := policyStatement{}
|
||
bucketResourceStatement.Effect = "Allow"
|
||
bucketResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
bucketResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName)}...)
|
||
bucketResourceStatement.Actions = set.CreateStringSet(readWriteBucketActions...)
|
||
return bucketResourceStatement
|
||
}
|
||
|
||
// Obtain statements for read-write bucketPolicy.
|
||
func getReadWriteStatement(bucketName, objectPrefix string) []policyStatement {
|
||
statements := []policyStatement{}
|
||
// Save the read write policy.
|
||
statements = append(statements, getReadWriteBucketStatement(bucketName, objectPrefix), getReadWriteObjectStatement(bucketName, objectPrefix))
|
||
return statements
|
||
}
|
||
|
||
// Obtain bucket statement for read only bucketPolicy.
|
||
func getReadOnlyBucketStatement(bucketName, objectPrefix string) policyStatement {
|
||
bucketResourceStatement := policyStatement{}
|
||
bucketResourceStatement.Effect = "Allow"
|
||
bucketResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
bucketResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName)}...)
|
||
bucketResourceStatement.Actions = set.CreateStringSet(readOnlyBucketActions...)
|
||
return bucketResourceStatement
|
||
}
|
||
|
||
// Obtain object statement for read only bucketPolicy.
|
||
func getReadOnlyObjectStatement(bucketName, objectPrefix string) policyStatement {
|
||
objectResourceStatement := policyStatement{}
|
||
objectResourceStatement.Effect = "Allow"
|
||
objectResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
objectResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName+"/"+objectPrefix+"*")}...)
|
||
objectResourceStatement.Actions = set.CreateStringSet(readOnlyObjectActions...)
|
||
return objectResourceStatement
|
||
}
|
||
|
||
// Obtain statements for read only bucketPolicy.
|
||
func getReadOnlyStatement(bucketName, objectPrefix string) []policyStatement {
|
||
statements := []policyStatement{}
|
||
// Save the read only policy.
|
||
statements = append(statements, getReadOnlyBucketStatement(bucketName, objectPrefix), getReadOnlyObjectStatement(bucketName, objectPrefix))
|
||
return statements
|
||
}
|
||
|
||
// Obtain bucket statements for write only bucketPolicy.
|
||
func getWriteOnlyBucketStatement(bucketName, objectPrefix string) policyStatement {
|
||
|
||
bucketResourceStatement := policyStatement{}
|
||
bucketResourceStatement.Effect = "Allow"
|
||
bucketResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
bucketResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName)}...)
|
||
bucketResourceStatement.Actions = set.CreateStringSet(writeOnlyBucketActions...)
|
||
return bucketResourceStatement
|
||
}
|
||
|
||
// Obtain object statements for write only bucketPolicy.
|
||
func getWriteOnlyObjectStatement(bucketName, objectPrefix string) policyStatement {
|
||
objectResourceStatement := policyStatement{}
|
||
objectResourceStatement.Effect = "Allow"
|
||
objectResourceStatement.Principal = map[string]interface{}{
|
||
"AWS": "*",
|
||
}
|
||
objectResourceStatement.Resources = set.CreateStringSet([]string{fmt.Sprintf("%s%s", AWSResourcePrefix, bucketName+"/"+objectPrefix+"*")}...)
|
||
objectResourceStatement.Actions = set.CreateStringSet(writeOnlyObjectActions...)
|
||
return objectResourceStatement
|
||
}
|
||
|
||
// Obtain statements for write only bucketPolicy.
|
||
func getWriteOnlyStatement(bucketName, objectPrefix string) []policyStatement {
|
||
statements := []policyStatement{}
|
||
// Write only policy.
|
||
// Save the write only policy.
|
||
statements = append(statements, getWriteOnlyBucketStatement(bucketName, objectPrefix), getWriteOnlyBucketStatement(bucketName, objectPrefix))
|
||
return statements
|
||
}
|
||
|
||
// Tests validate Action validator.
|
||
func TestIsValidActions(t *testing.T) {
|
||
testCases := []struct {
|
||
// input.
|
||
actions set.StringSet
|
||
// expected output.
|
||
err error
|
||
// flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Inputs with unsupported Action.
|
||
// Test case - 1.
|
||
// "s3:ListObject" is an invalid Action.
|
||
{set.CreateStringSet([]string{"s3:GetObject", "s3:ListObject", "s3:RemoveObject"}...),
|
||
errors.New("Unsupported actions found: ‘set.StringSet{\"s3:RemoveObject\":struct {}{}, \"s3:ListObject\":struct {}{}}’, please validate your policy document."), false},
|
||
// Test case - 2.
|
||
// Empty Actions.
|
||
{set.CreateStringSet([]string{}...), errors.New("Action list cannot be empty."), false},
|
||
// Test case - 3.
|
||
// "s3:DeleteEverything"" is an invalid Action.
|
||
{set.CreateStringSet([]string{"s3:GetObject", "s3:ListBucket", "s3:PutObject", "s3:DeleteEverything"}...),
|
||
errors.New("Unsupported actions found: ‘set.StringSet{\"s3:DeleteEverything\":struct {}{}}’, please validate your policy document."), false},
|
||
// Inputs with valid Action.
|
||
// Test Case - 4.
|
||
{set.CreateStringSet([]string{
|
||
"s3:*", "*", "s3:GetObject", "s3:ListBucket",
|
||
"s3:PutObject", "s3:GetBucketLocation", "s3:DeleteObject",
|
||
"s3:AbortMultipartUpload", "s3:ListBucketMultipartUploads",
|
||
"s3:ListMultipartUploadParts"}...), nil, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
err := isValidActions(testCase.actions)
|
||
if err != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
|
||
}
|
||
if err == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate Effect validator.
|
||
func TestIsValidEffect(t *testing.T) {
|
||
testCases := []struct {
|
||
// input.
|
||
effect string
|
||
// expected output.
|
||
err error
|
||
// flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Inputs with unsupported Effect.
|
||
// Test case - 1.
|
||
{"", errors.New("Policy effect cannot be empty."), false},
|
||
// Test case - 2.
|
||
{"DontAllow", errors.New("Unsupported Effect found: ‘DontAllow’, please validate your policy document."), false},
|
||
// Test case - 3.
|
||
{"NeverAllow", errors.New("Unsupported Effect found: ‘NeverAllow’, please validate your policy document."), false},
|
||
// Test case - 4.
|
||
{"AllowAlways", errors.New("Unsupported Effect found: ‘AllowAlways’, please validate your policy document."), false},
|
||
|
||
// Inputs with valid Effect.
|
||
// Test Case - 5.
|
||
{"Allow", nil, true},
|
||
// Test Case - 6.
|
||
{"Deny", nil, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
err := isValidEffect(testCase.effect)
|
||
if err != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
|
||
}
|
||
if err == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if err != nil && !testCase.shouldPass {
|
||
if err.Error() != testCase.err.Error() {
|
||
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\"", i+1, testCase.err.Error(), err.Error())
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate Resources validator.
|
||
func TestIsValidResources(t *testing.T) {
|
||
testCases := []struct {
|
||
// input.
|
||
resources []string
|
||
// expected output.
|
||
err error
|
||
// flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Inputs with unsupported Action.
|
||
// Test case - 1.
|
||
// Empty Resources.
|
||
{[]string{}, errors.New("Resource list cannot be empty."), false},
|
||
// Test case - 2.
|
||
// A valid resource should have prefix "arn:aws:s3:::".
|
||
{[]string{"my-resource"}, errors.New("Unsupported resource style found: ‘my-resource’, please validate your policy document."), false},
|
||
// Test case - 3.
|
||
// A Valid resource should have bucket name followed by "arn:aws:s3:::".
|
||
{[]string{"arn:aws:s3:::"}, errors.New("Invalid resource style found: ‘arn:aws:s3:::’, please validate your policy document."), false},
|
||
// Test Case - 4.
|
||
// Valid resource shouldn't have slash('/') followed by "arn:aws:s3:::".
|
||
{[]string{"arn:aws:s3:::/"}, errors.New("Invalid resource style found: ‘arn:aws:s3:::/’, please validate your policy document."), false},
|
||
|
||
// Test cases with valid Resources.
|
||
{[]string{"arn:aws:s3:::my-bucket"}, nil, true},
|
||
{[]string{"arn:aws:s3:::my-bucket/Asia/*"}, nil, true},
|
||
{[]string{"arn:aws:s3:::my-bucket/Asia/India/*"}, nil, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
err := isValidResources(set.CreateStringSet(testCase.resources...))
|
||
if err != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
|
||
}
|
||
if err == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if err != nil && !testCase.shouldPass {
|
||
if err.Error() != testCase.err.Error() {
|
||
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\"", i+1, testCase.err.Error(), err.Error())
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate principals validator.
|
||
func TestIsValidPrincipals(t *testing.T) {
|
||
testCases := []struct {
|
||
// input.
|
||
principals []string
|
||
// expected output.
|
||
err error
|
||
// flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Inputs with unsupported Principals.
|
||
// Test case - 1.
|
||
// Empty Principals list.
|
||
{[]string{}, errors.New("Principal cannot be empty."), false},
|
||
// Test case - 2.
|
||
// "*" is the only valid principal.
|
||
{[]string{"my-principal"}, errors.New("Unsupported principals found: ‘set.StringSet{\"my-principal\":struct {}{}}’, please validate your policy document."), false},
|
||
// Test case - 3.
|
||
{[]string{"*", "111122233"}, errors.New("Unsupported principals found: ‘set.StringSet{\"111122233\":struct {}{}}’, please validate your policy document."), false},
|
||
// Test case - 4.
|
||
// Test case with valid principal value.
|
||
{[]string{"*"}, nil, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
err := isValidPrincipals(map[string]interface{}{
|
||
"AWS": testCase.principals,
|
||
})
|
||
if err != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
|
||
}
|
||
if err == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if err != nil && !testCase.shouldPass {
|
||
if err.Error() != testCase.err.Error() {
|
||
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\"", i+1, testCase.err.Error(), err.Error())
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate policyStatement condition validator.
|
||
func TestIsValidConditions(t *testing.T) {
|
||
// returns empty conditions map.
|
||
setEmptyConditions := func() map[string]map[string]set.StringSet {
|
||
return make(map[string]map[string]set.StringSet)
|
||
}
|
||
|
||
// returns map with the "StringEquals" set to empty map.
|
||
setEmptyStringEquals := func() map[string]map[string]set.StringSet {
|
||
emptyMap := make(map[string]set.StringSet)
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions["StringEquals"] = emptyMap
|
||
return conditions
|
||
|
||
}
|
||
|
||
// returns map with the "StringNotEquals" set to empty map.
|
||
setEmptyStringNotEquals := func() map[string]map[string]set.StringSet {
|
||
emptyMap := make(map[string]set.StringSet)
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions["StringNotEquals"] = emptyMap
|
||
return conditions
|
||
|
||
}
|
||
// Generate conditions.
|
||
generateConditions := func(key1, key2, value string) map[string]map[string]set.StringSet {
|
||
innerMap := make(map[string]set.StringSet)
|
||
innerMap[key2] = set.CreateStringSet(value)
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions[key1] = innerMap
|
||
return conditions
|
||
}
|
||
|
||
// generate ambigious conditions.
|
||
generateAmbigiousConditions := func() map[string]map[string]set.StringSet {
|
||
innerMap := make(map[string]set.StringSet)
|
||
innerMap["s3:prefix"] = set.CreateStringSet("Asia/")
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions["StringEquals"] = innerMap
|
||
conditions["StringNotEquals"] = innerMap
|
||
return conditions
|
||
}
|
||
|
||
// generate valid and non valid type in the condition map.
|
||
generateValidInvalidConditions := func() map[string]map[string]set.StringSet {
|
||
innerMap := make(map[string]set.StringSet)
|
||
innerMap["s3:prefix"] = set.CreateStringSet("Asia/")
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions["StringEquals"] = innerMap
|
||
conditions["InvalidType"] = innerMap
|
||
return conditions
|
||
}
|
||
|
||
// generate valid and invalid keys for valid types in the same condition map.
|
||
generateValidInvalidConditionKeys := func() map[string]map[string]set.StringSet {
|
||
innerMapValid := make(map[string]set.StringSet)
|
||
innerMapValid["s3:prefix"] = set.CreateStringSet("Asia/")
|
||
innerMapInValid := make(map[string]set.StringSet)
|
||
innerMapInValid["s3:invalid"] = set.CreateStringSet("Asia/")
|
||
conditions := make(map[string]map[string]set.StringSet)
|
||
conditions["StringEquals"] = innerMapValid
|
||
conditions["StringEquals"] = innerMapInValid
|
||
return conditions
|
||
}
|
||
|
||
// List of Conditions used for test cases.
|
||
testConditions := []map[string]map[string]set.StringSet{
|
||
generateConditions("StringValues", "s3:max-keys", "100"),
|
||
generateConditions("StringEquals", "s3:Object", "100"),
|
||
generateAmbigiousConditions(),
|
||
generateValidInvalidConditions(),
|
||
generateValidInvalidConditionKeys(),
|
||
setEmptyConditions(),
|
||
setEmptyStringEquals(),
|
||
setEmptyStringNotEquals(),
|
||
generateConditions("StringEquals", "s3:prefix", "Asia/"),
|
||
generateConditions("StringEquals", "s3:max-keys", "100"),
|
||
generateConditions("StringNotEquals", "s3:prefix", "Asia/"),
|
||
generateConditions("StringNotEquals", "s3:max-keys", "100"),
|
||
}
|
||
|
||
testCases := []struct {
|
||
inputCondition map[string]map[string]set.StringSet
|
||
// expected result.
|
||
expectedErr error
|
||
// flag indicating whether test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Malformed conditions.
|
||
// Test case - 1.
|
||
// "StringValues" is an invalid type.
|
||
{testConditions[0], fmt.Errorf("Unsupported condition type 'StringValues', " +
|
||
"please validate your policy document."), false},
|
||
// Test case - 2.
|
||
// "s3:Object" is an invalid key.
|
||
{testConditions[1], fmt.Errorf("Unsupported condition key " +
|
||
"'StringEquals', please validate your policy document."), false},
|
||
// Test case - 3.
|
||
// Test case with Ambigious conditions set.
|
||
{testConditions[2], fmt.Errorf("Ambigious condition values for key 's3:prefix', " +
|
||
"please validate your policy document."), false},
|
||
// Test case - 4.
|
||
// Test case with valid and invalid condition types.
|
||
{testConditions[3], fmt.Errorf("Unsupported condition type 'InvalidType', " +
|
||
"please validate your policy document."), false},
|
||
// Test case - 5.
|
||
// Test case with valid and invalid condition keys.
|
||
{testConditions[4], fmt.Errorf("Unsupported condition key 'StringEquals', " +
|
||
"please validate your policy document."), false},
|
||
// Test cases with valid conditions.
|
||
// Test case - 6.
|
||
{testConditions[5], nil, true},
|
||
// Test case - 7.
|
||
{testConditions[6], nil, true},
|
||
// Test case - 8.
|
||
{testConditions[7], nil, true},
|
||
// Test case - 9.
|
||
{testConditions[8], nil, true},
|
||
// Test case - 10.
|
||
{testConditions[9], nil, true},
|
||
// Test case - 11.
|
||
{testConditions[10], nil, true},
|
||
// Test case 10.
|
||
{testConditions[11], nil, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
actualErr := isValidConditions(testCase.inputCondition)
|
||
if actualErr != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, actualErr.Error())
|
||
}
|
||
if actualErr == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.expectedErr.Error())
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if actualErr != nil && !testCase.shouldPass {
|
||
if actualErr.Error() != testCase.expectedErr.Error() {
|
||
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\"", i+1, testCase.expectedErr.Error(), actualErr.Error())
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate Policy Action and Resource fields.
|
||
func TestCheckbucketPolicyResources(t *testing.T) {
|
||
// constructing policy statement without invalidPrefixActions (check bucket-policy-parser.go).
|
||
setValidPrefixActions := func(statements []policyStatement) []policyStatement {
|
||
statements[0].Actions = set.CreateStringSet([]string{"s3:DeleteObject", "s3:PutObject"}...)
|
||
return statements
|
||
}
|
||
// contracting policy statement with recursive resources.
|
||
// should result in ErrMalformedPolicy
|
||
setRecurseResource := func(statements []policyStatement) []policyStatement {
|
||
statements[0].Resources = set.CreateStringSet([]string{"arn:aws:s3:::minio-bucket/Asia/*", "arn:aws:s3:::minio-bucket/Asia/India/*"}...)
|
||
return statements
|
||
}
|
||
|
||
// constructing policy statement with lexically close characters.
|
||
// should not result in ErrMalformedPolicy
|
||
setResourceLexical := func(statements []policyStatement) []policyStatement {
|
||
statements[0].Resources = set.CreateStringSet([]string{"arn:aws:s3:::minio-bucket/op*", "arn:aws:s3:::minio-bucket/oo*"}...)
|
||
return statements
|
||
}
|
||
|
||
// List of bucketPolicy used for tests.
|
||
bucketAccessPolicies := []bucketPolicy{
|
||
// bucketPolicy - 1.
|
||
// Contains valid read only policy statement.
|
||
{Version: "1.0", Statements: getReadOnlyStatement("minio-bucket", "")},
|
||
// bucketPolicy - 2.
|
||
// Contains valid read-write only policy statement.
|
||
{Version: "1.0", Statements: getReadWriteStatement("minio-bucket", "Asia/")},
|
||
// bucketPolicy - 3.
|
||
// Contains valid write only policy statement.
|
||
{Version: "1.0", Statements: getWriteOnlyStatement("minio-bucket", "Asia/India/")},
|
||
// bucketPolicy - 4.
|
||
// Contains invalidPrefixActions.
|
||
// Since resourcePrefix is not to the bucket-name, it return ErrMalformedPolicy.
|
||
{Version: "1.0", Statements: getReadOnlyStatement("minio-bucket-fail", "Asia/India/")},
|
||
// bucketPolicy - 5.
|
||
// constructing policy statement without invalidPrefixActions (check bucket-policy-parser.go).
|
||
// but bucket part of the resource is not equal to the bucket name.
|
||
// this results in return of ErrMalformedPolicy.
|
||
{Version: "1.0", Statements: setValidPrefixActions(getWriteOnlyStatement("minio-bucket-fail", "Asia/India/"))},
|
||
// bucketPolicy - 6.
|
||
// contracting policy statement with recursive resources.
|
||
// should result in ErrMalformedPolicy
|
||
{Version: "1.0", Statements: setRecurseResource(setValidPrefixActions(getWriteOnlyStatement("minio-bucket", "")))},
|
||
// BucketPolciy - 7.
|
||
// constructing policy statement with non recursive but
|
||
// lexically close resources.
|
||
// should result in ErrNone.
|
||
{Version: "1.0", Statements: setResourceLexical(setValidPrefixActions(getWriteOnlyStatement("minio-bucket", "oo")))},
|
||
}
|
||
|
||
testCases := []struct {
|
||
inputPolicy bucketPolicy
|
||
// expected results.
|
||
apiErrCode APIErrorCode
|
||
// Flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Test case - 1.
|
||
{bucketAccessPolicies[0], ErrNone, true},
|
||
// Test case - 2.
|
||
{bucketAccessPolicies[1], ErrNone, true},
|
||
// Test case - 3.
|
||
{bucketAccessPolicies[2], ErrNone, true},
|
||
// Test case - 4.
|
||
// contains invalidPrefixActions (check bucket-policy-parser.go).
|
||
// Resource prefix will not be equal to the bucket name in this case.
|
||
{bucketAccessPolicies[3], ErrMalformedPolicy, false},
|
||
// Test case - 5.
|
||
// actions contain invalidPrefixActions (check bucket-policy-parser.go).
|
||
// Resource prefix bucket part is not equal to the bucket name in this case.
|
||
{bucketAccessPolicies[4], ErrMalformedPolicy, false},
|
||
// Test case - 6.
|
||
// contracting policy statement with recursive resources.
|
||
// should result in ErrPolicyNesting.
|
||
{bucketAccessPolicies[5], ErrPolicyNesting, false},
|
||
// Test case - 7.
|
||
// constructing policy statement with lexically close
|
||
// characters.
|
||
// should result in ErrNone.
|
||
{bucketAccessPolicies[6], ErrNone, true},
|
||
}
|
||
for i, testCase := range testCases {
|
||
apiErrCode := checkBucketPolicyResources("minio-bucket", &testCase.inputPolicy)
|
||
if apiErrCode != ErrNone && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with Errocode %v", i+1, apiErrCode)
|
||
}
|
||
if apiErrCode == ErrNone && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with ErrCode %v, but passed instead", i+1, testCase.apiErrCode)
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if apiErrCode != ErrNone && !testCase.shouldPass {
|
||
if testCase.apiErrCode != apiErrCode {
|
||
t.Errorf("Test %d: Expected to fail with error code %v, but instead failed with error code %v", i+1, testCase.apiErrCode, apiErrCode)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Tests validate parsing of BucketAccessPolicy.
|
||
func TestParseBucketPolicy(t *testing.T) {
|
||
// set Unsupported Actions.
|
||
setUnsupportedActions := func(statements []policyStatement) []policyStatement {
|
||
// "s3:DeleteEverything"" is an Unsupported Action.
|
||
statements[0].Actions = set.CreateStringSet([]string{"s3:GetObject", "s3:ListBucket", "s3:PutObject", "s3:DeleteEverything"}...)
|
||
return statements
|
||
}
|
||
// set unsupported Effect.
|
||
setUnsupportedEffect := func(statements []policyStatement) []policyStatement {
|
||
// Effect "Don't allow" is Unsupported.
|
||
statements[0].Effect = "DontAllow"
|
||
return statements
|
||
}
|
||
// set unsupported principals.
|
||
setUnsupportedPrincipals := func(statements []policyStatement) []policyStatement {
|
||
// "User1111"" is an Unsupported Principal.
|
||
statements[0].Principal = map[string]interface{}{
|
||
"AWS": []string{"*", "User1111"},
|
||
}
|
||
return statements
|
||
}
|
||
// set unsupported Resources.
|
||
setUnsupportedResources := func(statements []policyStatement) []policyStatement {
|
||
// "s3:DeleteEverything"" is an Unsupported Action.
|
||
statements[0].Resources = set.CreateStringSet([]string{"my-resource"}...)
|
||
return statements
|
||
}
|
||
// List of bucketPolicy used for test cases.
|
||
bucketAccesPolicies := []bucketPolicy{
|
||
// bucketPolicy - 0.
|
||
// bucketPolicy statement empty.
|
||
{Version: "1.0"},
|
||
// bucketPolicy - 1.
|
||
// bucketPolicy version empty.
|
||
{Version: "", Statements: []policyStatement{}},
|
||
// bucketPolicy - 2.
|
||
// Readonly bucketPolicy.
|
||
{Version: "1.0", Statements: getReadOnlyStatement("minio-bucket", "")},
|
||
// bucketPolicy - 3.
|
||
// Read-Write bucket policy.
|
||
{Version: "1.0", Statements: getReadWriteStatement("minio-bucket", "Asia/")},
|
||
// bucketPolicy - 4.
|
||
// Write only bucket policy.
|
||
{Version: "1.0", Statements: getWriteOnlyStatement("minio-bucket", "Asia/India/")},
|
||
// bucketPolicy - 5.
|
||
// bucketPolicy statement contains unsupported action.
|
||
{Version: "1.0", Statements: setUnsupportedActions(getReadOnlyStatement("minio-bucket", ""))},
|
||
// bucketPolicy - 6.
|
||
// bucketPolicy statement contains unsupported Effect.
|
||
{Version: "1.0", Statements: setUnsupportedEffect(getReadWriteStatement("minio-bucket", "Asia/"))},
|
||
// bucketPolicy - 7.
|
||
// bucketPolicy statement contains unsupported Principal.
|
||
{Version: "1.0", Statements: setUnsupportedPrincipals(getWriteOnlyStatement("minio-bucket", "Asia/India/"))},
|
||
// bucketPolicy - 8.
|
||
// bucketPolicy statement contains unsupported Resource.
|
||
{Version: "1.0", Statements: setUnsupportedResources(getWriteOnlyStatement("minio-bucket", "Asia/India/"))},
|
||
}
|
||
|
||
testCases := []struct {
|
||
inputPolicy bucketPolicy
|
||
// expected results.
|
||
expectedPolicy bucketPolicy
|
||
err error
|
||
// Flag indicating whether the test should pass.
|
||
shouldPass bool
|
||
}{
|
||
// Test case - 1.
|
||
// bucketPolicy statement empty.
|
||
{bucketAccesPolicies[0], bucketPolicy{}, errors.New("Policy statement cannot be empty."), false},
|
||
// Test case - 2.
|
||
// bucketPolicy version empty.
|
||
{bucketAccesPolicies[1], bucketPolicy{}, errors.New("Policy version cannot be empty."), false},
|
||
// Test case - 3.
|
||
// Readonly bucketPolicy.
|
||
{bucketAccesPolicies[2], bucketAccesPolicies[2], nil, true},
|
||
// Test case - 4.
|
||
// Read-Write bucket policy.
|
||
{bucketAccesPolicies[3], bucketAccesPolicies[3], nil, true},
|
||
// Test case - 5.
|
||
// Write only bucket policy.
|
||
{bucketAccesPolicies[4], bucketAccesPolicies[4], nil, true},
|
||
// Test case - 6.
|
||
// bucketPolicy statement contains unsupported action.
|
||
{bucketAccesPolicies[5], bucketAccesPolicies[5], fmt.Errorf("Unsupported actions found: ‘set.StringSet{\"s3:DeleteEverything\":struct {}{}}’, please validate your policy document."), false},
|
||
// Test case - 7.
|
||
// bucketPolicy statement contains unsupported Effect.
|
||
{bucketAccesPolicies[6], bucketAccesPolicies[6], fmt.Errorf("Unsupported Effect found: ‘DontAllow’, please validate your policy document."), false},
|
||
// Test case - 8.
|
||
// bucketPolicy statement contains unsupported Principal.
|
||
{bucketAccesPolicies[7], bucketAccesPolicies[7], fmt.Errorf("Unsupported principals found: ‘set.StringSet{\"User1111\":struct {}{}}’, please validate your policy document."), false},
|
||
// Test case - 9.
|
||
// bucketPolicy statement contains unsupported Resource.
|
||
{bucketAccesPolicies[8], bucketAccesPolicies[8], fmt.Errorf("Unsupported resource style found: ‘my-resource’, please validate your policy document."), false},
|
||
}
|
||
for i, testCase := range testCases {
|
||
var buffer bytes.Buffer
|
||
encoder := json.NewEncoder(&buffer)
|
||
err := encoder.Encode(testCase.inputPolicy)
|
||
if err != nil {
|
||
t.Fatalf("Test %d: Couldn't Marshal bucket policy %s", i+1, err)
|
||
}
|
||
|
||
var actualAccessPolicy = &bucketPolicy{}
|
||
err = parseBucketPolicy(&buffer, actualAccessPolicy)
|
||
if err != nil && testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
|
||
}
|
||
if err == nil && !testCase.shouldPass {
|
||
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
|
||
}
|
||
// Failed as expected, but does it fail for the expected reason.
|
||
if err != nil && !testCase.shouldPass {
|
||
if err.Error() != testCase.err.Error() {
|
||
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\"", i+1, testCase.err.Error(), err.Error())
|
||
}
|
||
}
|
||
// Test passes as expected, but the output values are verified for correctness here.
|
||
if err == nil && testCase.shouldPass {
|
||
if testCase.expectedPolicy.String() != actualAccessPolicy.String() {
|
||
t.Errorf("Test %d: The expected statements from resource statement generator doesn't match the actual statements", i+1)
|
||
}
|
||
}
|
||
}
|
||
}
|