forked from TrueCloudLab/frostfs-s3-gw
466 lines
12 KiB
Go
466 lines
12 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package iampolicy
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import (
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"encoding/json"
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"net"
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"reflect"
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"testing"
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"github.com/minio/minio/pkg/bucket/policy"
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"github.com/minio/minio/pkg/bucket/policy/condition"
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)
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func TestStatementIsAllowed(t *testing.T) {
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case1Statement := NewStatement(
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policy.Allow,
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NewActionSet(GetBucketLocationAction, PutObjectAction),
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NewResourceSet(NewResource("*", "")),
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condition.NewFunctions(),
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)
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case2Statement := NewStatement(
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policy.Allow,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(),
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)
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_, IPNet1, err := net.ParseCIDR("192.168.1.0/24")
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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func1, err := condition.NewIPAddressFunc(
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condition.AWSSourceIP,
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IPNet1,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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case3Statement := NewStatement(
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policy.Allow,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(func1),
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)
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case4Statement := NewStatement(
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policy.Deny,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(func1),
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)
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anonGetBucketLocationArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: GetBucketLocationAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{},
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}
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anonPutObjectActionArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: PutObjectAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{
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"x-amz-copy-source": {"mybucket/myobject"},
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"SourceIp": {"192.168.1.10"},
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},
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ObjectName: "myobject",
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}
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anonGetObjectActionArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: GetObjectAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{},
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ObjectName: "myobject",
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}
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getBucketLocationArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: GetBucketLocationAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{},
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}
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putObjectActionArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: PutObjectAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{
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"x-amz-copy-source": {"mybucket/myobject"},
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"SourceIp": {"192.168.1.10"},
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},
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ObjectName: "myobject",
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}
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getObjectActionArgs := Args{
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AccountName: "Q3AM3UQ867SPQQA43P2F",
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Action: GetObjectAction,
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BucketName: "mybucket",
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ConditionValues: map[string][]string{},
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ObjectName: "myobject",
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}
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testCases := []struct {
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statement Statement
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args Args
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expectedResult bool
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}{
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{case1Statement, anonGetBucketLocationArgs, true},
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{case1Statement, anonPutObjectActionArgs, true},
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{case1Statement, anonGetObjectActionArgs, false},
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{case1Statement, getBucketLocationArgs, true},
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{case1Statement, putObjectActionArgs, true},
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{case1Statement, getObjectActionArgs, false},
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{case2Statement, anonGetBucketLocationArgs, false},
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{case2Statement, anonPutObjectActionArgs, true},
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{case2Statement, anonGetObjectActionArgs, true},
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{case2Statement, getBucketLocationArgs, false},
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{case2Statement, putObjectActionArgs, true},
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{case2Statement, getObjectActionArgs, true},
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{case3Statement, anonGetBucketLocationArgs, false},
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{case3Statement, anonPutObjectActionArgs, true},
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{case3Statement, anonGetObjectActionArgs, false},
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{case3Statement, getBucketLocationArgs, false},
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{case3Statement, putObjectActionArgs, true},
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{case3Statement, getObjectActionArgs, false},
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{case4Statement, anonGetBucketLocationArgs, true},
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{case4Statement, anonPutObjectActionArgs, false},
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{case4Statement, anonGetObjectActionArgs, true},
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{case4Statement, getBucketLocationArgs, true},
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{case4Statement, putObjectActionArgs, false},
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{case4Statement, getObjectActionArgs, true},
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}
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for i, testCase := range testCases {
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result := testCase.statement.IsAllowed(testCase.args)
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if result != testCase.expectedResult {
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t.Fatalf("case %v: expected: %v, got: %v\n", i+1, testCase.expectedResult, result)
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}
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}
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}
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func TestStatementIsValid(t *testing.T) {
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_, IPNet1, err := net.ParseCIDR("192.168.1.0/24")
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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func1, err := condition.NewIPAddressFunc(
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condition.AWSSourceIP,
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IPNet1,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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func2, err := condition.NewStringEqualsFunc(
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condition.S3XAmzCopySource,
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"mybucket/myobject",
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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func3, err := condition.NewStringEqualsFunc(
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condition.AWSUserAgent,
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"NSPlayer",
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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testCases := []struct {
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statement Statement
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expectErr bool
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}{
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// Invalid effect error.
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{NewStatement(
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policy.Effect("foo"),
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NewActionSet(GetBucketLocationAction, PutObjectAction),
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NewResourceSet(NewResource("*", "")),
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condition.NewFunctions(),
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), true},
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// Empty actions error.
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{NewStatement(
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policy.Allow,
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NewActionSet(),
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NewResourceSet(NewResource("*", "")),
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condition.NewFunctions(),
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), true},
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// Empty resources error.
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{NewStatement(
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policy.Allow,
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NewActionSet(GetBucketLocationAction, PutObjectAction),
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NewResourceSet(),
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condition.NewFunctions(),
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), true},
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// Unsupported conditions for GetObject
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{NewStatement(
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policy.Allow,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "myobject*")),
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condition.NewFunctions(func1, func2),
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), true},
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{NewStatement(
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policy.Allow,
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NewActionSet(GetBucketLocationAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "myobject*")),
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condition.NewFunctions(),
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), false},
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{NewStatement(
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policy.Allow,
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NewActionSet(GetBucketLocationAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "")),
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condition.NewFunctions(),
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), false},
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{NewStatement(
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policy.Deny,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "myobject*")),
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condition.NewFunctions(func1),
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), false},
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{NewStatement(
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policy.Allow,
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NewActionSet(CreateUserAdminAction, DeleteUserAdminAction),
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nil,
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condition.NewFunctions(func2, func3),
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), true},
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{NewStatement(
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policy.Allow,
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NewActionSet(CreateUserAdminAction, DeleteUserAdminAction),
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nil,
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condition.NewFunctions(),
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), false},
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}
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for i, testCase := range testCases {
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err := testCase.statement.isValid()
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expectErr := (err != nil)
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if expectErr != testCase.expectErr {
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t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
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}
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}
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}
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func TestStatementUnmarshalJSONAndValidate(t *testing.T) {
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case1Data := []byte(`{
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"Sid": "SomeId1",
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"Effect": "Allow",
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"Action": "s3:PutObject",
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"Resource": "arn:aws:s3:::mybucket/myobject*"
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}`)
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case1Statement := NewStatement(
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policy.Allow,
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NewActionSet(PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(),
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)
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case1Statement.SID = "SomeId1"
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case2Data := []byte(`{
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"Effect": "Allow",
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"Action": "s3:PutObject",
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"Resource": "arn:aws:s3:::mybucket/myobject*",
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"Condition": {
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"Null": {
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"s3:x-amz-copy-source": true
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}
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}
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}`)
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func1, err := condition.NewNullFunc(
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condition.S3XAmzCopySource,
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true,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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case2Statement := NewStatement(
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policy.Allow,
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NewActionSet(PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(func1),
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)
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case3Data := []byte(`{
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"Effect": "Deny",
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"Action": [
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"s3:PutObject",
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"s3:GetObject"
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],
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"Resource": "arn:aws:s3:::mybucket/myobject*",
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"Condition": {
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"Null": {
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"s3:x-amz-server-side-encryption": "false"
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}
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}
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}`)
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func2, err := condition.NewNullFunc(
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condition.S3XAmzServerSideEncryption,
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false,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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case3Statement := NewStatement(
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policy.Deny,
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NewActionSet(PutObjectAction, GetObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(func2),
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)
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case4Data := []byte(`{
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"Effect": "Allow",
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"Action": "s3:PutObjec,
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"Resource": "arn:aws:s3:::mybucket/myobject*"
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}`)
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case5Data := []byte(`{
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"Action": "s3:PutObject",
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"Resource": "arn:aws:s3:::mybucket/myobject*"
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}`)
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case7Data := []byte(`{
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"Effect": "Allow",
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"Resource": "arn:aws:s3:::mybucket/myobject*"
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}`)
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case8Data := []byte(`{
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"Effect": "Allow",
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"Action": "s3:PutObject"
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}`)
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case9Data := []byte(`{
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"Effect": "Allow",
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"Action": "s3:PutObject",
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"Resource": "arn:aws:s3:::mybucket/myobject*",
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"Condition": {
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}
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}`)
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case10Data := []byte(`{
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"Effect": "Deny",
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"Action": [
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"s3:PutObject",
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"s3:GetObject"
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],
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"Resource": "arn:aws:s3:::mybucket/myobject*",
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"Condition": {
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"StringEquals": {
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"s3:x-amz-copy-source": "yourbucket/myobject*"
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}
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}
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}`)
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testCases := []struct {
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data []byte
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expectedResult Statement
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expectUnmarshalErr bool
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expectValidationErr bool
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}{
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{case1Data, case1Statement, false, false},
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{case2Data, case2Statement, false, false},
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{case3Data, case3Statement, false, false},
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// JSON unmarshaling error.
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{case4Data, Statement{}, true, true},
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// Invalid effect error.
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{case5Data, Statement{}, false, true},
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// Empty action error.
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{case7Data, Statement{}, false, true},
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// Empty resource error.
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{case8Data, Statement{}, false, true},
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// Empty condition error.
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{case9Data, Statement{}, true, false},
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// Unsupported condition key error.
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{case10Data, Statement{}, false, true},
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}
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for i, testCase := range testCases {
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var result Statement
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expectErr := (json.Unmarshal(testCase.data, &result) != nil)
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if expectErr != testCase.expectUnmarshalErr {
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t.Fatalf("case %v: error during unmarshal: expected: %v, got: %v", i+1, testCase.expectUnmarshalErr, expectErr)
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}
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expectErr = (result.Validate() != nil)
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if expectErr != testCase.expectValidationErr {
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t.Fatalf("case %v: error during validation: expected: %v, got: %v", i+1, testCase.expectValidationErr, expectErr)
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}
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if !testCase.expectUnmarshalErr && !testCase.expectValidationErr {
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if !reflect.DeepEqual(result, testCase.expectedResult) {
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t.Fatalf("case %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
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}
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}
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}
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}
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func TestStatementValidate(t *testing.T) {
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case1Statement := NewStatement(
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policy.Allow,
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NewActionSet(PutObjectAction),
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NewResourceSet(NewResource("mybucket", "/myobject*")),
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condition.NewFunctions(),
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)
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func1, err := condition.NewNullFunc(
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condition.S3XAmzCopySource,
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true,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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func2, err := condition.NewNullFunc(
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condition.S3XAmzServerSideEncryption,
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false,
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)
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if err != nil {
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t.Fatalf("unexpected error. %v\n", err)
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}
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case2Statement := NewStatement(
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policy.Allow,
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NewActionSet(GetObjectAction, PutObjectAction),
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NewResourceSet(NewResource("mybucket", "myobject*")),
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condition.NewFunctions(func1, func2),
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)
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testCases := []struct {
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statement Statement
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expectErr bool
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}{
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{case1Statement, false},
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{case2Statement, true},
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}
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for i, testCase := range testCases {
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err := testCase.statement.Validate()
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expectErr := (err != nil)
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if expectErr != testCase.expectErr {
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t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
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}
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}
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}
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