minio/pkg/bucket/policy/policy_test.go
Harshavardhana 069432566f update license change for MinIO
Signed-off-by: Harshavardhana <harsha@minio.io>
2021-04-23 11:58:53 -07:00

1242 lines
32 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package policy
import (
"encoding/json"
"net"
"reflect"
"testing"
"github.com/minio/minio/pkg/bucket/policy/condition"
)
func TestPolicyIsAllowed(t *testing.T) {
case1Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction, PutObjectAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
)},
}
case2Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
)},
}
_, IPNet, err := net.ParseCIDR("192.168.1.0/24")
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func1, err := condition.NewIPAddressFunc(
condition.AWSSourceIP,
IPNet,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case3Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
)},
}
case4Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
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 {
policy Policy
args Args
expectedResult bool
}{
{case1Policy, anonGetBucketLocationArgs, true},
{case1Policy, anonPutObjectActionArgs, true},
{case1Policy, anonGetObjectActionArgs, false},
{case1Policy, getBucketLocationArgs, true},
{case1Policy, putObjectActionArgs, true},
{case1Policy, getObjectActionArgs, true},
{case2Policy, anonGetBucketLocationArgs, false},
{case2Policy, anonPutObjectActionArgs, true},
{case2Policy, anonGetObjectActionArgs, true},
{case2Policy, getBucketLocationArgs, true},
{case2Policy, putObjectActionArgs, true},
{case2Policy, getObjectActionArgs, true},
{case3Policy, anonGetBucketLocationArgs, false},
{case3Policy, anonPutObjectActionArgs, true},
{case3Policy, anonGetObjectActionArgs, false},
{case3Policy, getBucketLocationArgs, true},
{case3Policy, putObjectActionArgs, true},
{case3Policy, getObjectActionArgs, true},
{case4Policy, anonGetBucketLocationArgs, false},
{case4Policy, anonPutObjectActionArgs, false},
{case4Policy, anonGetObjectActionArgs, false},
{case4Policy, getBucketLocationArgs, true},
{case4Policy, putObjectActionArgs, false},
{case4Policy, getObjectActionArgs, true},
}
for i, testCase := range testCases {
result := testCase.policy.IsAllowed(testCase.args)
if result != testCase.expectedResult {
t.Fatalf("case %v: expected: %v, got: %v\n", i+1, testCase.expectedResult, result)
}
}
}
func TestPolicyIsEmpty(t *testing.T) {
case1Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case2Policy := Policy{
ID: "MyPolicyForMyBucket",
Version: DefaultVersion,
}
testCases := []struct {
policy Policy
expectedResult bool
}{
{case1Policy, false},
{case2Policy, true},
}
for i, testCase := range testCases {
result := testCase.policy.IsEmpty()
if result != testCase.expectedResult {
t.Fatalf("case %v: expected: %v, got: %v\n", i+1, testCase.expectedResult, result)
}
}
}
func TestPolicyIsValid(t *testing.T) {
case1Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case2Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case3Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/yourobject*")),
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)
}
case4Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func2),
),
},
}
case5Policy := Policy{
Version: "17-10-2012",
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case6Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2),
),
},
}
case7Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case8Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
testCases := []struct {
policy Policy
expectErr bool
}{
{case1Policy, false},
// allowed duplicate principal.
{case2Policy, false},
// allowed duplicate principal and action.
{case3Policy, false},
// allowed duplicate principal, action and resource.
{case4Policy, false},
// Invalid version error.
{case5Policy, true},
// Invalid statement error.
{case6Policy, true},
// Duplicate statement success different effects.
{case7Policy, false},
// Duplicate statement success, duplicate statement dropped.
{case8Policy, false},
}
for i, testCase := range testCases {
err := testCase.policy.isValid()
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
}
}
func TestPolicyMarshalJSON(t *testing.T) {
case1Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case1Policy.Statements[0].SID = "SomeId1"
case1Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Sid":"SomeId1","Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]}]}`)
_, 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)
}
case2Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/yourobject*")),
condition.NewFunctions(func1),
),
},
}
case2Data := []byte(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]},{"Effect":"Deny","Principal":{"AWS":["*"]},"Action":["s3:GetObject"],"Resource":["arn:aws:s3:::mybucket/yourobject*"],"Condition":{"IpAddress":{"aws:SourceIp":["192.168.1.0/24"]}}}]}`)
case3Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("Q3AM3UQ867SPQQA43P2F"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case3Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["Q3AM3UQ867SPQQA43P2F"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]},{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]}]}`)
case4Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case4Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]},{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]}]}`)
case5Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/yourobject*")),
condition.NewFunctions(),
),
},
}
case5Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"]},{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/yourobject*"]}]}`)
_, IPNet2, err := net.ParseCIDR("192.168.2.0/24")
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func2, err := condition.NewIPAddressFunc(
condition.AWSSourceIP,
IPNet2,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case6Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func2),
),
},
}
case6Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"],"Condition":{"IpAddress":{"aws:SourceIp":["192.168.1.0/24"]}}},{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:PutObject"],"Resource":["arn:aws:s3:::mybucket/myobject*"],"Condition":{"IpAddress":{"aws:SourceIp":["192.168.2.0/24"]}}}]}`)
case7Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction),
NewResourceSet(NewResource("mybucket", "")),
condition.NewFunctions(),
),
},
}
case7Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetBucketLocation"],"Resource":["arn:aws:s3:::mybucket"]}]}`)
case8Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
),
},
}
case8Data := []byte(`{"ID":"MyPolicyForMyBucket1","Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:GetBucketLocation"],"Resource":["arn:aws:s3:::*"]}]}`)
func3, err := condition.NewNullFunc(
condition.S3XAmzCopySource,
true,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case9Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2, func3),
),
},
}
testCases := []struct {
policy Policy
expectedResult []byte
expectErr bool
}{
{case1Policy, case1Data, false},
{case2Policy, case2Data, false},
{case3Policy, case3Data, false},
{case4Policy, case4Data, false},
{case5Policy, case5Data, false},
{case6Policy, case6Data, false},
{case7Policy, case7Data, false},
{case8Policy, case8Data, false},
{case9Policy, nil, true},
}
for i, testCase := range testCases {
result, err := json.Marshal(testCase.policy)
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 TestPolicyUnmarshalJSON(t *testing.T) {
case1Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Sid": "SomeId1",
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case1Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case1Policy.Statements[0].SID = "SomeId1"
case2Data := []byte(`{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Deny",
"Principal": "*",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::mybucket/yourobject*",
"Condition": {
"IpAddress": {
"aws:SourceIp": "192.168.1.0/24"
}
}
}
]
}`)
_, 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)
}
case2Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/yourobject*")),
condition.NewFunctions(func1),
),
},
}
case3Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"AWS": [
"Q3AM3UQ867SPQQA43P2F"
]
},
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case3Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("Q3AM3UQ867SPQQA43P2F"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case4Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case4Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
},
}
case5Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/yourobject*"
}
]
}`)
case5Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/yourobject*")),
condition.NewFunctions(),
),
},
}
case6Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
"IpAddress": {
"aws:SourceIp": "192.168.1.0/24"
}
}
},
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*",
"Condition": {
"IpAddress": {
"aws:SourceIp": "192.168.2.0/24"
}
}
}
]
}`)
_, IPNet2, err := net.ParseCIDR("192.168.2.0/24")
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
func2, err := condition.NewIPAddressFunc(
condition.AWSSourceIP,
IPNet2,
)
if err != nil {
t.Fatalf("unexpected error. %v\n", err)
}
case6Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func1),
),
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "/myobject*")),
condition.NewFunctions(func2),
),
},
}
case7Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:GetBucketLocation",
"Resource": "arn:aws:s3:::mybucket"
}
]
}`)
case7Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction),
NewResourceSet(NewResource("mybucket", "")),
condition.NewFunctions(),
),
},
}
case8Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:GetBucketLocation",
"Resource": "arn:aws:s3:::*"
}
]
}`)
case8Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetBucketLocationAction),
NewResourceSet(NewResource("*", "")),
condition.NewFunctions(),
),
},
}
case9Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "17-10-2012",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case10Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case10Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(),
),
},
}
case11Data := []byte(`{
"ID": "MyPolicyForMyBucket1",
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
},
{
"Effect": "Deny",
"Principal": "*",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::mybucket/myobject*"
}
]
}`)
case11Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(),
),
NewStatement(
Deny,
NewPrincipal("*"),
NewActionSet(PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(),
),
},
}
testCases := []struct {
data []byte
expectedResult Policy
expectErr bool
}{
{case1Data, case1Policy, false},
{case2Data, case2Policy, false},
{case3Data, case3Policy, false},
{case4Data, case4Policy, false},
{case5Data, case5Policy, false},
{case6Data, case6Policy, false},
{case7Data, case7Policy, false},
{case8Data, case8Policy, false},
// Invalid version error.
{case9Data, Policy{}, true},
// Duplicate statement success, duplicate statement removed.
{case10Data, case10Policy, false},
// Duplicate statement success (Effect differs).
{case11Data, case11Policy, false},
}
for i, testCase := range testCases {
var result Policy
err := json.Unmarshal(testCase.data, &result)
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Errorf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
if !testCase.expectErr {
if !reflect.DeepEqual(result, testCase.expectedResult) {
t.Errorf("case %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
}
}
}
}
func TestPolicyValidate(t *testing.T) {
case1Policy := Policy{
Version: DefaultVersion,
Statements: []Statement{
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)
}
case2Policy := Policy{
ID: "MyPolicyForMyBucket1",
Version: DefaultVersion,
Statements: []Statement{
NewStatement(
Allow,
NewPrincipal("*"),
NewActionSet(GetObjectAction, PutObjectAction),
NewResourceSet(NewResource("mybucket", "myobject*")),
condition.NewFunctions(func1, func2),
),
},
}
testCases := []struct {
policy Policy
bucketName string
expectErr bool
}{
{case1Policy, "mybucket", false},
{case2Policy, "yourbucket", true},
{case1Policy, "yourbucket", true},
}
for i, testCase := range testCases {
err := testCase.policy.Validate(testCase.bucketName)
expectErr := (err != nil)
if expectErr != testCase.expectErr {
t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
}
}
}
func TestPolicyMerge(t *testing.T) {
testCases := []struct {
policy string
}{
{`{
"Version": "2012-10-17",
"Id": "S3PolicyId1",
"Statement": [
{
"Sid": "statement1",
"Effect": "Deny",
"Principal": "*",
"Action":["s3:GetObject", "s3:PutObject"],
"Resource": "arn:aws:s3:::awsexamplebucket1/*"
}
]
}`},
{`{
"Version": "2012-10-17",
"Id": "S3PolicyId1",
"Statement": [
{
"Sid": "statement1",
"Effect": "Allow",
"Principal": "*",
"Action":"s3:GetObject",
"Resource": "arn:aws:s3:::awsexamplebucket1/*",
"Condition" : {
"IpAddress" : {
"aws:SourceIp": "192.0.2.0/24"
},
"NotIpAddress" : {
"aws:SourceIp": "192.0.2.188/32"
}
}
}
]
}`},
{`{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "cross-account permission to user in your own account",
"Effect": "Allow",
"Principal": {
"AWS": "arn:aws:iam::123456789012:user/Dave"
},
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::awsexamplebucket1/*"
},
{
"Sid": "Deny your user permission to upload object if copy source is not /bucket/folder",
"Effect": "Deny",
"Principal": {
"AWS": "arn:aws:iam::123456789012:user/Dave"
},
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::awsexamplebucket1/*",
"Condition": {
"StringNotLike": {
"s3:x-amz-copy-source": "awsexamplebucket1/public/*"
}
}
}
]
}`},
}
for i, testCase := range testCases {
var p Policy
err := json.Unmarshal([]byte(testCase.policy), &p)
if err != nil {
t.Fatalf("case %v: unexpected error: %v", i+1, err)
}
var clonedPolicy Policy
clonedPolicy = clonedPolicy.Merge(p)
j, err := json.Marshal(clonedPolicy)
if err != nil {
t.Fatalf("case %v: unexpected error: %v", i+1, err)
}
err = json.Unmarshal(j, &clonedPolicy)
if err != nil {
t.Fatalf("case %v: unexpected error: %v", i+1, err)
}
if !clonedPolicy.Statements[0].Equals(p.Statements[0]) {
t.Fatalf("case %v: different policy outcome", i+1)
}
}
}