forked from TrueCloudLab/policy-engine
1131 lines
31 KiB
Go
1131 lines
31 KiB
Go
package iam
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import (
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"errors"
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"fmt"
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"strconv"
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"testing"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine/inmemory"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/resource/testutil"
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"git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
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"git.frostfs.info/TrueCloudLab/policy-engine/schema/s3"
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"github.com/stretchr/testify/require"
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)
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type mockUserResolver struct {
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users map[string]string
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buckets map[string]string
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}
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func newMockUserResolver(accountUsers []string, buckets []string) *mockUserResolver {
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userMap := make(map[string]string, len(accountUsers))
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for _, user := range accountUsers {
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userMap[user] = user + "/resolvedValue"
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}
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bucketMap := make(map[string]string, len(buckets))
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for _, bkt := range buckets {
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bucketMap[bkt] = bkt + "/resolvedValues"
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}
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return &mockUserResolver{users: userMap, buckets: bucketMap}
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}
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func (m *mockUserResolver) GetUserAddress(account, user string) (string, error) {
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key, ok := m.users[account+"/"+user]
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if !ok {
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return "", errors.New("not found")
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}
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return key, nil
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}
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func (m *mockUserResolver) GetUserKey(account, user string) (string, error) {
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key, ok := m.users[account+"/"+user]
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if !ok {
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return "", errors.New("not found")
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}
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return key, nil
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}
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func (m *mockUserResolver) GetBucketCID(bkt string) (string, error) {
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cnrID, ok := m.buckets[bkt]
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if !ok {
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return "", errors.New("not found")
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}
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return cnrID, nil
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}
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func TestConverters(t *testing.T) {
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namespace := "root"
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userName := "JohnDoe"
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user := namespace + "/" + userName
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principal := "arn:aws:iam::" + namespace + ":user/" + userName
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bktName := "DOC-EXAMPLE-BUCKET"
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objName := "object-name"
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resource := bktName + "/*"
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action := "PutObject"
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mockResolver := newMockUserResolver([]string{user}, []string{bktName})
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t.Run("valid policy", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: AllowEffect,
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Action: []string{"s3:PutObject"},
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Resource: []string{"arn:aws:s3:::" + resource},
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Conditions: map[string]Condition{
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CondStringEquals: {
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"s3:RequestObjectTag/Department": {"Finance"},
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},
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},
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}},
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}
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expected := &chain.Chain{Rules: []chain.Rule{
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{
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Status: chain.Allow,
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Actions: chain.Actions{Names: []string{action}},
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Resources: chain.Resources{Names: []string{resource}},
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Condition: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: s3.PropertyKeyOwner,
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Value: mockResolver.users[user],
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},
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: "s3:RequestObjectTag/Department",
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Value: "Finance",
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},
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},
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},
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}}
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s3Chain, err := ConvertToS3Chain(p, mockResolver)
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require.NoError(t, err)
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require.Equal(t, expected, s3Chain)
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})
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t.Run("valid native policy", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: AllowEffect,
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Action: []string{"s3:PutObject"},
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Resource: []string{"arn:aws:s3:::" + resource},
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}},
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}
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expected := &chain.Chain{Rules: []chain.Rule{
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{
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Status: chain.Allow,
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Actions: chain.Actions{Names: []string{action}},
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Resources: chain.Resources{Names: []string{fmt.Sprintf(native.ResourceFormatRootContainerObjects, mockResolver.buckets[bktName])}},
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Condition: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: native.PropertyKeyActorPublicKey,
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Value: mockResolver.users[user],
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},
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},
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},
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}}
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nativeChain, err := ConvertToNativeChain(p, mockResolver)
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require.NoError(t, err)
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require.Equal(t, expected, nativeChain)
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})
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t.Run("valid inverted policy", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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NotPrincipal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: DenyEffect,
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NotAction: []string{"s3:PutObject"},
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NotResource: []string{"arn:aws:s3:::" + resource},
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}},
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}
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expected := &chain.Chain{Rules: []chain.Rule{
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{
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Status: chain.AccessDenied,
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Actions: chain.Actions{Inverted: true, Names: []string{action}},
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Resources: chain.Resources{Inverted: true, Names: []string{resource}},
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Condition: []chain.Condition{
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{
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Op: chain.CondStringNotEquals,
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Object: chain.ObjectRequest,
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Key: s3.PropertyKeyOwner,
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Value: mockResolver.users[user],
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},
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},
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},
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}}
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s3Chain, err := ConvertToS3Chain(p, mockResolver)
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require.NoError(t, err)
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require.Equal(t, expected, s3Chain)
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})
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t.Run("valid policy map get action", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: DenyEffect,
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NotAction: []string{"s3:GetObject"},
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NotResource: []string{"arn:aws:s3:::" + bktName + "/" + objName},
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}},
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}
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expected := &chain.Chain{Rules: []chain.Rule{
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{
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Status: chain.AccessDenied,
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Actions: chain.Actions{Inverted: true, Names: actionToOpMap["GetObject"]},
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Resources: chain.Resources{Inverted: true, Names: []string{
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fmt.Sprintf(native.ResourceFormatRootContainerObjects, mockResolver.buckets[bktName]),
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}},
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Condition: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: native.PropertyKeyActorPublicKey,
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Value: mockResolver.users[user],
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},
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{
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Op: chain.CondStringLike,
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Object: chain.ObjectResource,
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Key: PropertyKeyFilePath,
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Value: objName,
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},
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},
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},
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}}
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nativeChain, err := ConvertToNativeChain(p, mockResolver)
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require.NoError(t, err)
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require.Equal(t, expected, nativeChain)
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})
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t.Run("invalid policy (unsupported principal type)", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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"dummy": {principal},
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},
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Effect: AllowEffect,
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Action: []string{"s3:PutObject"},
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Resource: []string{"arn:aws:s3:::DOC-EXAMPLE-BUCKET/*"},
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}},
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}
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_, err := ConvertToS3Chain(p, mockResolver)
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require.Error(t, err)
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})
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t.Run("invalid policy (missing resource)", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: AllowEffect,
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Action: []string{"s3:PutObject"},
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}},
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}
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_, err := ConvertToS3Chain(p, mockResolver)
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require.Error(t, err)
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})
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t.Run("invalid policy (not applicable native actions)", func(t *testing.T) {
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p := Policy{
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Version: "2012-10-17",
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Statement: []Statement{{
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Principal: map[PrincipalType][]string{
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AWSPrincipalType: {principal},
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},
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Effect: AllowEffect,
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Action: []string{"s3:AbortMultipartUpload"},
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Resource: []string{"arn:aws:s3:::" + resource},
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}},
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}
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_, err := ConvertToNativeChain(p, mockResolver)
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require.Error(t, err)
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})
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}
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func TestConvertToChainCondition(t *testing.T) {
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principal := "arn:aws:iam::namespace:user/userName"
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conditions := Conditions{
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CondStringEquals: {"key1": {"val0", "val1"}},
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CondStringNotEquals: {"key2": {"val2"}},
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CondStringEqualsIgnoreCase: {"key3": {"val3"}},
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CondStringNotEqualsIgnoreCase: {"key4": {"val4"}},
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CondStringLike: {"key5": {"val5"}},
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CondStringNotLike: {"key6": {"val6"}},
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CondDateEquals: {"key7": {"2006-01-02T15:04:05+07:00"}},
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CondDateNotEquals: {"key8": {"2006-01-02T15:04:05Z"}},
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CondDateLessThan: {"key9": {"2006-01-02T15:04:05+06:00"}},
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CondDateLessThanEquals: {"key10": {"2006-01-02T15:04:05+03:00"}},
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CondDateGreaterThan: {"key11": {"2006-01-02T15:04:05-01:00"}},
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CondDateGreaterThanEquals: {"key12": {"2006-01-02T15:04:05-03:00"}},
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CondBool: {"key13": {"True"}},
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CondIPAddress: {"key14": {"val14"}},
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CondNotIPAddress: {"key15": {"val15"}},
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CondArnEquals: {"key16": {"val16"}},
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CondArnLike: {condKeyAWSPrincipalARN: {principal}},
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CondArnNotEquals: {"key18": {"val18"}},
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CondArnNotLike: {"key19": {"val19"}},
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}
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expectedCondition := []GroupedConditions{
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{
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Any: true,
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Conditions: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: "key1",
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Value: "val0",
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},
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{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: "key1",
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Value: "val1",
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},
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},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotEquals,
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Object: chain.ObjectRequest,
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Key: "key2",
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Value: "val2",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringEqualsIgnoreCase,
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Object: chain.ObjectRequest,
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Key: "key3",
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Value: "val3",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotEqualsIgnoreCase,
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Object: chain.ObjectRequest,
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Key: "key4",
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Value: "val4",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringLike,
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Object: chain.ObjectRequest,
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Key: "key5",
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Value: "val5",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotLike,
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Object: chain.ObjectRequest,
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Key: "key6",
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Value: "val6",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: "key7",
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Value: "1136189045",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotEquals,
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Object: chain.ObjectRequest,
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Key: "key8",
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Value: "1136214245",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringLessThan,
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Object: chain.ObjectRequest,
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Key: "key9",
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Value: "1136192645",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringLessThanEquals,
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Object: chain.ObjectRequest,
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Key: "key10",
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Value: "1136203445",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringGreaterThan,
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Object: chain.ObjectRequest,
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Key: "key11",
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Value: "1136217845",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringGreaterThanEquals,
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Object: chain.ObjectRequest,
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Key: "key12",
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Value: "1136225045",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringEqualsIgnoreCase,
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Object: chain.ObjectRequest,
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Key: "key13",
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Value: "True",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringLike,
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Object: chain.ObjectRequest,
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Key: "key14",
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Value: "val14",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotLike,
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Object: chain.ObjectRequest,
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Key: "key15",
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Value: "val15",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringEquals,
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Object: chain.ObjectRequest,
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Key: "key16",
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Value: "val16",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringLike,
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Object: chain.ObjectRequest,
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Key: condKeyAWSPrincipalARN,
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Value: principal,
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotEquals,
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Object: chain.ObjectRequest,
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Key: "key18",
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Value: "val18",
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}},
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},
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{
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Conditions: []chain.Condition{{
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Op: chain.CondStringNotLike,
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Object: chain.ObjectRequest,
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Key: "key19",
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Value: "val19",
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}},
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},
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}
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|
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actualCondition, err := convertToChainCondition(conditions)
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require.NoError(t, err)
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require.ElementsMatch(t, expectedCondition, actualCondition)
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}
|
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|
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func TestParsePrincipalARN(t *testing.T) {
|
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for i, tc := range []struct {
|
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principal string
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account string
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user string
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error bool
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}{
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{
|
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principal: "arn:aws:iam::root:user/user",
|
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account: "root",
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user: "user",
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error: false,
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},
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{
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principal: "arn:aws:iam::root:user/path/user/user2",
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account: "root",
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user: "user2",
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error: false,
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},
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{
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principal: "arn:aws:iam::root:user/",
|
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error: true,
|
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},
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{
|
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principal: "root:user/name",
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error: true,
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},
|
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{
|
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principal: "arn:aws:iam::root:user",
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error: true,
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},
|
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{
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principal: "arn:aws:iam::root:name",
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error: true,
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},
|
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{
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principal: "arn:aws:iam::root:user/path/user/",
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error: true,
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},
|
|
} {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
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account, user, err := parsePrincipalAsIAMUser(tc.principal)
|
|
if tc.error {
|
|
require.Error(t, err)
|
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return
|
|
}
|
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|
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require.NoError(t, err)
|
|
require.Equal(t, tc.account, account)
|
|
require.Equal(t, tc.user, user)
|
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})
|
|
}
|
|
}
|
|
|
|
func TestComplexNativeConditions(t *testing.T) {
|
|
namespace := "root"
|
|
userName1, userName2 := "user1", "user2"
|
|
user1, user2 := namespace+"/"+userName1, namespace+"/"+userName2
|
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principal1 := "arn:aws:iam::" + namespace + ":user/" + userName1
|
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principal2 := "arn:aws:iam::" + namespace + ":user/" + userName2
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bktName1, bktName2, bktName3 := "bktName", "bktName2", "bktName3"
|
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objName1 := "objName1"
|
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resource1 := bktName1 + "/" + objName1
|
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resource2 := bktName2 + "/*"
|
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resource3 := bktName3 + "/*"
|
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action := "PutObject"
|
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|
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key1, key2 := "key1", "key2"
|
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val0, val1, val2 := "val0", "val1", "val2"
|
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|
|
mockResolver := newMockUserResolver([]string{user1, user2}, []string{bktName1, bktName2, bktName3})
|
|
nativeResource1 := fmt.Sprintf(native.ResourceFormatRootContainerObjects, mockResolver.buckets[bktName1])
|
|
nativeResource2 := fmt.Sprintf(native.ResourceFormatRootContainerObjects, mockResolver.buckets[bktName2])
|
|
nativeResource3 := fmt.Sprintf(native.ResourceFormatRootContainerObjects, mockResolver.buckets[bktName3])
|
|
|
|
p := Policy{
|
|
Version: "2012-10-17",
|
|
Statement: []Statement{{
|
|
Principal: map[PrincipalType][]string{
|
|
AWSPrincipalType: {principal1, principal2},
|
|
},
|
|
Effect: DenyEffect,
|
|
Action: []string{"s3:" + action},
|
|
Resource: []string{"arn:aws:s3:::" + resource1, "arn:aws:s3:::" + resource2, "arn:aws:s3:::" + resource3},
|
|
Conditions: map[string]Condition{
|
|
CondStringEquals: {key1: {val0, val1}},
|
|
CondStringLike: {key2: {val2}},
|
|
},
|
|
}},
|
|
}
|
|
|
|
expectedStatus := chain.AccessDenied
|
|
expectedActions := chain.Actions{Names: actionToOpMap[action]}
|
|
expectedResource1 := chain.Resources{Names: []string{nativeResource1}}
|
|
expectedResource23 := chain.Resources{Names: []string{nativeResource2, nativeResource3}}
|
|
|
|
user1Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: native.PropertyKeyActorPublicKey, Value: mockResolver.users[user1]}
|
|
user2Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: native.PropertyKeyActorPublicKey, Value: mockResolver.users[user2]}
|
|
objectName1Condition := chain.Condition{Op: chain.CondStringLike, Object: chain.ObjectResource, Key: PropertyKeyFilePath, Value: objName1}
|
|
key1val0Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: key1, Value: val0}
|
|
key1val1Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: key1, Value: val1}
|
|
key2val2Condition := chain.Condition{Op: chain.CondStringLike, Object: chain.ObjectRequest, Key: key2, Value: val2}
|
|
|
|
expected := &chain.Chain{Rules: []chain.Rule{
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource1,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
objectName1Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource1,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
objectName1Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource1,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
objectName1Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource1,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
objectName1Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource23,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource23,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource23,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResource23,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
}}
|
|
|
|
nativeChain, err := ConvertToNativeChain(p, mockResolver)
|
|
require.NoError(t, err)
|
|
requireChainRulesMatch(t, expected.Rules, nativeChain.Rules)
|
|
|
|
s := inmemory.NewInMemory()
|
|
err = s.MorphRuleChainStorage().AddMorphRuleChain("name", engine.NamespaceTarget("ns"), nativeChain)
|
|
require.NoError(t, err)
|
|
|
|
for _, tc := range []struct {
|
|
name string
|
|
action string
|
|
resource string
|
|
resourceMap map[string]string
|
|
requestMap map[string]string
|
|
status chain.Status
|
|
}{
|
|
{
|
|
name: "bucket resource1, all conditions matched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName2], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket resource3, all conditions matched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName3], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket resource, user condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName2], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket resource, key2 condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName3], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val0,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket resource, key1 condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName2], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, all conditions matched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName1], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: objName1,
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket/object resource, user condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName1], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: objName1,
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: "dummy",
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, key1 condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName1], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: objName1,
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: "dummy",
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, key2 condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName1], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: objName1,
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: "dummy",
|
|
key1: val0,
|
|
key2: val0,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, object filepath condition mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, mockResolver.buckets[bktName1], "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: "any-object-name",
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "resource mismatched",
|
|
action: action,
|
|
resource: fmt.Sprintf(native.ResourceFormatRootContainerObject, "some-cid", "some-oid"),
|
|
resourceMap: map[string]string{
|
|
PropertyKeyFilePath: objName1,
|
|
},
|
|
requestMap: map[string]string{
|
|
native.PropertyKeyActorPublicKey: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
} {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
req := testutil.NewRequest(tc.action, testutil.NewResource(tc.resource, tc.resourceMap), tc.requestMap)
|
|
status, _, err := s.IsAllowed("name", engine.NewRequestTargetWithNamespace("ns"), req)
|
|
require.NoError(t, err)
|
|
require.Equal(t, tc.status.String(), status.String())
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestComplexS3Conditions(t *testing.T) {
|
|
namespace := "root"
|
|
userName1, userName2 := "user1", "user2"
|
|
user1, user2 := namespace+"/"+userName1, namespace+"/"+userName2
|
|
principal1 := "arn:aws:iam::" + namespace + ":user/" + userName1
|
|
principal2 := "arn:aws:iam::" + namespace + ":user/" + userName2
|
|
bktName1, bktName2, bktName3 := "bktName", "bktName2", "bktName3"
|
|
objName1 := "objName1"
|
|
resource1 := bktName1 + "/" + objName1
|
|
resource2 := bktName2 + "/*"
|
|
resource3 := bktName3 + "/*"
|
|
action := "PutObject"
|
|
|
|
key1, key2 := "key1", "key2"
|
|
val0, val1, val2 := "val0", "val1", "val2"
|
|
|
|
mockResolver := newMockUserResolver([]string{user1, user2}, []string{bktName1, bktName2, bktName3})
|
|
|
|
p := Policy{
|
|
Version: "2012-10-17",
|
|
Statement: []Statement{{
|
|
Principal: map[PrincipalType][]string{
|
|
AWSPrincipalType: {principal1, principal2},
|
|
},
|
|
Effect: DenyEffect,
|
|
Action: []string{"s3:" + action},
|
|
Resource: []string{"arn:aws:s3:::" + resource1, "arn:aws:s3:::" + resource2, "arn:aws:s3:::" + resource3},
|
|
Conditions: map[string]Condition{
|
|
CondStringEquals: {key1: {val0, val1}},
|
|
CondStringLike: {key2: {val2}},
|
|
},
|
|
}},
|
|
}
|
|
|
|
expectedStatus := chain.AccessDenied
|
|
expectedActions := chain.Actions{Names: actionToOpMap[action]}
|
|
expectedResources := chain.Resources{Names: []string{resource1, resource2, resource3}}
|
|
|
|
user1Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: s3.PropertyKeyOwner, Value: mockResolver.users[user1]}
|
|
user2Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: s3.PropertyKeyOwner, Value: mockResolver.users[user2]}
|
|
key1val0Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: key1, Value: val0}
|
|
key1val1Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: key1, Value: val1}
|
|
key2val2Condition := chain.Condition{Op: chain.CondStringLike, Object: chain.ObjectRequest, Key: key2, Value: val2}
|
|
|
|
expected := &chain.Chain{Rules: []chain.Rule{
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResources,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResources,
|
|
Condition: []chain.Condition{
|
|
user1Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResources,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
key1val0Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
{
|
|
Status: expectedStatus,
|
|
Actions: expectedActions,
|
|
Resources: expectedResources,
|
|
Condition: []chain.Condition{
|
|
user2Condition,
|
|
key1val1Condition,
|
|
key2val2Condition,
|
|
},
|
|
},
|
|
}}
|
|
|
|
s3Chain, err := ConvertToS3Chain(p, mockResolver)
|
|
require.NoError(t, err)
|
|
requireChainRulesMatch(t, expected.Rules, s3Chain.Rules)
|
|
|
|
s := inmemory.NewInMemory()
|
|
err = s.MorphRuleChainStorage().AddMorphRuleChain("name", engine.NamespaceTarget("ns"), s3Chain)
|
|
require.NoError(t, err)
|
|
|
|
for _, tc := range []struct {
|
|
name string
|
|
action string
|
|
resource string
|
|
resourceMap map[string]string
|
|
requestMap map[string]string
|
|
status chain.Status
|
|
}{
|
|
{
|
|
name: "bucket resource1, all conditions matched",
|
|
action: action,
|
|
resource: resource1,
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket resource3, all conditions matched",
|
|
action: action,
|
|
resource: bktName3 + "/some-obj",
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket resource, user condition mismatched",
|
|
action: action,
|
|
resource: bktName2 + "/some-obj",
|
|
requestMap: map[string]string{
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket resource, key2 condition mismatched",
|
|
action: action,
|
|
resource: bktName3 + "/some-obj",
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val0,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket resource, key1 condition mismatched",
|
|
action: action,
|
|
resource: bktName2 + "/some-obj",
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, all conditions matched",
|
|
action: action,
|
|
resource: resource1,
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.AccessDenied,
|
|
},
|
|
{
|
|
name: "bucket/object resource, resource mismatched",
|
|
action: action,
|
|
resource: bktName1 + "/some-obj",
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, user condition mismatched",
|
|
action: action,
|
|
resource: resource1,
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: "dummy",
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, key1 condition mismatched",
|
|
action: action,
|
|
resource: resource1,
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: "dummy",
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "bucket/object resource, key2 condition mismatched",
|
|
action: action,
|
|
resource: resource1,
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: "dummy",
|
|
key1: val0,
|
|
key2: val0,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
{
|
|
name: "resource mismatched",
|
|
action: action,
|
|
resource: "some-bkt/some-obj",
|
|
requestMap: map[string]string{
|
|
s3.PropertyKeyOwner: mockResolver.users[user1],
|
|
key1: val0,
|
|
key2: val2,
|
|
},
|
|
status: chain.NoRuleFound,
|
|
},
|
|
} {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
req := testutil.NewRequest(tc.action, testutil.NewResource(tc.resource, tc.resourceMap), tc.requestMap)
|
|
status, _, err := s.IsAllowed("name", engine.NewRequestTargetWithNamespace("ns"), req)
|
|
require.NoError(t, err)
|
|
require.Equal(t, tc.status.String(), status.String())
|
|
})
|
|
}
|
|
}
|
|
|
|
func requireChainRulesMatch(t *testing.T, expected, actual []chain.Rule) {
|
|
require.Equal(t, len(expected), len(actual), "length of chain rules differ")
|
|
|
|
seen := make(map[int]int)
|
|
for i, expRule := range expected {
|
|
for j, actRule := range actual {
|
|
if _, ok := seen[j]; ok {
|
|
continue
|
|
}
|
|
|
|
if areRulesMatched(expRule, actRule) {
|
|
seen[j] = i
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
require.Len(t, seen, len(expected), "expected unique rules")
|
|
}
|
|
|
|
func areRulesMatched(rule1, rule2 chain.Rule) bool {
|
|
if rule1.Status != rule2.Status ||
|
|
rule1.Any != rule2.Any ||
|
|
rule1.Resources.Inverted != rule2.Resources.Inverted ||
|
|
len(rule1.Resources.Names) != len(rule2.Resources.Names) ||
|
|
rule1.Actions.Inverted != rule2.Actions.Inverted ||
|
|
len(rule1.Actions.Names) != len(rule2.Actions.Names) {
|
|
return false
|
|
}
|
|
|
|
for i, name := range rule1.Resources.Names {
|
|
if name != rule2.Resources.Names[i] {
|
|
return false
|
|
}
|
|
}
|
|
|
|
for i, name := range rule1.Actions.Names {
|
|
if name != rule2.Actions.Names[i] {
|
|
return false
|
|
}
|
|
}
|
|
|
|
seen := make(map[int]struct{})
|
|
for _, cond1 := range rule1.Condition {
|
|
for j, cond2 := range rule2.Condition {
|
|
if _, ok := seen[j]; ok {
|
|
continue
|
|
}
|
|
if cond1 == cond2 {
|
|
seen[j] = struct{}{}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
return len(seen) == len(rule1.Condition)
|
|
}
|