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Copy pathstatement_test.go
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571 lines (519 loc) · 14.7 KB
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/*
* Minio Cloud Storage, (C) 2018 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 policy
import (
"encoding/json"
"net"
"reflect"
"testing"
"github.com/minio/minio/pkg/policy/condition"
)
func TestStatementIsAllowed(t *testing.T) {
case1Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
)
case2Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
)
_, IPNet1, err := net.ParseCIDR("192.168.1.0/24")
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func1, err := condition.NewIPAddressFunc(
condition.AWSSourceIP,
IPNet1,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case3Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
)
case4Statement := NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
)
anonGetBucketLocationArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: GetBucketLocationAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{},
}
anonPutObjectActionArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: PutObjectAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{
"x-amz-copy-source": {"mybucket/myobject"},
"SourceIp": {"192.168.1.10"},
},
ObjectName: "myobject",
}
anonGetObjectActionArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: GetObjectAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{},
ObjectName: "myobject",
}
getBucketLocationArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: GetBucketLocationAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{},
IsOwner: true,
}
putObjectActionArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: PutObjectAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{
"x-amz-copy-source": {"mybucket/myobject"},
"SourceIp": {"192.168.1.10"},
},
IsOwner: true,
ObjectName: "myobject",
}
getObjectActionArgs := Args{
AccountName: "Q3AM3UQ867SPQQA43P2F",
Action: GetObjectAction,
BucketName: "mybucket",
ConditionValues: map[string][]string{},
IsOwner: true,
ObjectName: "myobject",
}
testCases := []struct {
statement Statement
args Args
expectedResult bool
}{
{case1Statement, anonGetBucketLocationArgs, true},
{case1Statement, anonPutObjectActionArgs, true},
{case1Statement, anonGetObjectActionArgs, false},
{case1Statement, getBucketLocationArgs, true},
{case1Statement, putObjectActionArgs, true},
{case1Statement, getObjectActionArgs, false},
{case2Statement, anonGetBucketLocationArgs, false},
{case2Statement, anonPutObjectActionArgs, true},
{case2Statement, anonGetObjectActionArgs, true},
{case2Statement, getBucketLocationArgs, false},
{case2Statement, putObjectActionArgs, true},
{case2Statement, getObjectActionArgs, true},
{case3Statement, anonGetBucketLocationArgs, false},
{case3Statement, anonPutObjectActionArgs, true},
{case3Statement, anonGetObjectActionArgs, false},
{case3Statement, getBucketLocationArgs, false},
{case3Statement, putObjectActionArgs, true},
{case3Statement, getObjectActionArgs, false},
{case4Statement, anonGetBucketLocationArgs, true},
{case4Statement, anonPutObjectActionArgs, false},
{case4Statement, anonGetObjectActionArgs, true},
{case4Statement, getBucketLocationArgs, true},
{case4Statement, putObjectActionArgs, false},
{case4Statement, getObjectActionArgs, true},
}
for i, testCase := range testCases {
result := testCase.statement.IsAllowed(testCase.args)
if result != testCase.expectedResult {
t.Fatalf("case %v: expected: %v, got: %v\n", i+1, testCase.expectedResult, result)
}
}
}
func TestStatementIsValid(t *testing.T) {
_, IPNet1, err := net.ParseCIDR("192.168.1.0/24")
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func1, err := condition.NewIPAddressFunc(
condition.AWSSourceIP,
IPNet1,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func2, err := condition.NewStringEqualsFunc(
condition.S3XAmzCopySource,
"mybucket/myobject",
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
testCases := []struct {
statement Statement
expectErr bool
}{
// Invalid effect error.
{NewStatement(
Effect("foo"),
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
), true},
// Invalid principal error.
{NewStatement(
Allow,
NewPrincipal(),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
), true},
// Empty actions error.
{NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
), true},
// Empty resources error.
{NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(),
condition.NewFunctions(),
), true},
// Unsupported resource found for object action.
{NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "")),
condition.NewFunctions(),
), true},
// Unsupported resource found for bucket action.
{NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(),
), true},
// Unsupported condition key for action.
{NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2),
), true},
{NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1),
), false},
}
for i, testCase := range testCases {
err := testCase.statement.isValid()
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
}
}
func TestStatementMarshalJSON(t *testing.T) {
case1Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
)
case1Statement.SID = "SomeId1"
case1Data := []byte(`{"Sid":"SomeId1","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]}`)
func1, err := condition.NewNullFunc(
condition.S3XAmzCopySource,
true,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case2Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
)
case2Data := []byte(`{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"],"Condition":{"Null":{"s3:x-amz-copy-source":[true]}}}`)
func2, err := condition.NewNullFunc(
condition.S3XAmzServerSideEncryption,
false,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case3Statement := NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func2),
)
case3Data := []byte(`{"Effect":"Deny","Principal":{"AWS":["*"]},"Action":["s3:GetObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"],"Condition":{"Null":{"s3:x-amz-server-side-encryption":[false]}}}`)
case4Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2),
)
testCases := []struct {
statement Statement
expectedResult []byte
expectErr bool
}{
{case1Statement, case1Data, false},
{case2Statement, case2Data, false},
{case3Statement, case3Data, false},
// Invalid statement error.
{case4Statement, nil, true},
}
for i, testCase := range testCases {
result, err := json.Marshal(testCase.statement)
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
if !testCase.expectErr {
if !reflect.DeepEqual(result, testCase.expectedResult) {
t.Fatalf("case %v: result: expected: %v, got: %v", i+1, string(testCase.expectedResult), string(result))
}
}
}
}
func TestStatementUnmarshalJSON(t *testing.T) {
case1Data := []byte(`{
"Sid": "SomeId1",
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}`)
case1Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
)
case1Statement.SID = "SomeId1"
case2Data := []byte(`{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
"Null": {
"s3:x-amz-copy-source": true
}
}
}`)
func1, err := condition.NewNullFunc(
condition.S3XAmzCopySource,
true,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case2Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
)
case3Data := []byte(`{
"Effect": "Deny",
"Principal": {
"AWS": "*"
},
"Action": [
"s3:PutObject",
"s3:GetObject"
],
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
"Null": {
"s3:x-amz-server-side-encryption": "false"
}
}
}`)
func2, err := condition.NewNullFunc(
condition.S3XAmzServerSideEncryption,
false,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case3Statement := NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(PutObjectAction, GetObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func2),
)
case4Data := []byte(`{
"Effect": "Allow",
"Principal": "Q3AM3UQ867SPQQA43P2F",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}`)
case5Data := []byte(`{
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}`)
case6Data := []byte(`{
"Effect": "Allow",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}`)
case7Data := []byte(`{
"Effect": "Allow",
"Principal": "*",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}`)
case8Data := []byte(`{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject"
}`)
case9Data := []byte(`{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
}
}`)
case10Data := []byte(`{
"Effect": "Deny",
"Principal": {
"AWS": "*"
},
"Action": [
"s3:PutObject",
"s3:GetObject"
],
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
"StringEquals": {
"s3:x-amz-copy-source": "yourbucket/myobject*"
}
}
}`)
testCases := []struct {
data []byte
expectedResult Statement
expectErr bool
}{
{case1Data, case1Statement, false},
{case2Data, case2Statement, false},
{case3Data, case3Statement, false},
// JSON unmarshaling error.
{case4Data, Statement{}, true},
// Invalid effect error.
{case5Data, Statement{}, true},
// empty principal error.
{case6Data, Statement{}, true},
// Empty action error.
{case7Data, Statement{}, true},
// Empty resource error.
{case8Data, Statement{}, true},
// Empty condition error.
{case9Data, Statement{}, true},
// Unsupported condition key error.
{case10Data, Statement{}, true},
}
for i, testCase := range testCases {
var result Statement
err := json.Unmarshal(testCase.data, &result)
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
if !testCase.expectErr {
if !reflect.DeepEqual(result, testCase.expectedResult) {
t.Fatalf("case %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
}
}
}
}
func TestStatementValidate(t *testing.T) {
case1Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
)
func1, err := condition.NewNullFunc(
condition.S3XAmzCopySource,
true,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func2, err := condition.NewNullFunc(
condition.S3XAmzServerSideEncryption,
false,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case2Statement := NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2),
)
testCases := []struct {
statement Statement
bucketName string
expectErr bool
}{
{case1Statement, "mybucket", false},
{case2Statement, "mybucket", true},
{case1Statement, "yourbucket", true},
}
for i, testCase := range testCases {
err := testCase.statement.Validate(testCase.bucketName)
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
}
}