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[#46] iam: Handle s3 complex actions

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Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
This commit is contained in:
Denis Kirillov 2024-02-01 16:57:07 +03:00
parent 1cdb3e5a4a
commit 0edc002441
2 changed files with 102 additions and 17 deletions
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97
iam/converter_s3.go
View file

@ -7,6 +7,76 @@ import (
"git.frostfs.info/TrueCloudLab/policy-engine/schema/s3"
)
var specialActionToS3OpMap = map[string][]string{
specialS3ActionsListAllMyBuckets: {"s3:ListBuckets"},
specialS3ActionsListBucket: {"s3:HeadBucket", "s3:GetBucketLocation", "s3:ListObjectsV1", "s3:ListObjectsV2"},
specialS3ActionsListBucketVersions: {"s3:ListBucketObjectVersions"},
specialS3ActionsListBucketMultipartUploads: {"s3:ListMultipartUploads"},
specialS3ActionsGetBucketObjectLockConfiguration: {"s3:GetBucketObjectLockConfig"},
specialS3ActionsGetEncryptionConfiguration: {"s3:GetBucketEncryption"},
specialS3ActionsGetLifecycleConfiguration: {"s3:GetBucketLifecycle"},
specialS3ActionsGetBucketACL: {"s3:GetBucketACL"},
specialS3ActionsGetBucketCORS: {"s3:GetBucketCors"},
specialS3ActionsPutBucketTagging: {"s3:PutBucketTagging", "s3:DeleteBucketTagging"},
specialS3ActionsPutBucketObjectLockConfiguration: {"s3:PutBucketObjectLockConfig"},
specialS3ActionsPutEncryptionConfiguration: {"s3:PutBucketEncryption", "s3:DeleteBucketEncryption"},
specialS3ActionsPutLifecycleConfiguration: {"s3:PutBucketLifecycle", "s3:DeleteBucketLifecycle"},
specialS3ActionsPutBucketACL: {"s3:PutBucketACL"},
specialS3ActionsPutBucketCORS: {"s3:PutBucketCors", "s3:DeleteBucketCors"},
specialS3ActionsDeleteBucketCORS: {"s3:DeleteBucketCors"},
specialS3ActionsListMultipartUploadParts: {"s3:ListParts"},
specialS3ActionsGetObjectACL: {"s3:GetObjectACL"},
specialS3ActionsGetObject: {"s3:GetObject", "s3:HeadObject"},
specialS3ActionsGetObjectVersion: {"s3:GetObject", "s3:HeadObject"},
specialS3ActionsGetObjectVersionACL: {"s3:GetObjectACL"},
specialS3ActionsGetObjectVersionAttributes: {"s3:GetObjectAttributes"},
specialS3ActionsGetObjectVersionTagging: {"s3:GetObjectTagging"},
specialS3ActionsPutObjectACL: {"s3:PutObjectACL"},
specialS3ActionsPutObjectVersionACL: {"s3:PutObjectACL"},
specialS3ActionsPutObjectVersionTagging: {"s3:PutObjectTagging"},
specialS3ActionsPutObject: {
"s3:PutObject", "s3:PostObject", "s3:CopyObject",
"s3:UploadPart", "s3:UploadPartCopy", "s3:CreateMultipartUpload", "s3:CompleteMultipartUpload",
},
specialS3ActionsDeleteObjectVersionTagging: {"s3:DeleteObjectTagging"},
specialS3ActionsDeleteObject: {"s3:DeleteObject", "s3:DeleteMultipleObjects"},
specialS3ActionsDeleteObjectVersion: {"s3:DeleteObject", "s3:DeleteMultipleObjects"},
}
const (
specialS3ActionsListAllMyBuckets = "s3:ListAllMyBuckets"
specialS3ActionsListBucket = "s3:ListBucket"
specialS3ActionsListBucketVersions = "s3:ListBucketVersions"
specialS3ActionsListBucketMultipartUploads = "s3:ListBucketMultipartUploads"
specialS3ActionsGetBucketObjectLockConfiguration = "s3:GetBucketObjectLockConfiguration"
specialS3ActionsGetEncryptionConfiguration = "s3:GetEncryptionConfiguration"
specialS3ActionsGetLifecycleConfiguration = "s3:GetLifecycleConfiguration"
specialS3ActionsGetBucketACL = "s3:GetBucketAcl"
specialS3ActionsGetBucketCORS = "s3:GetBucketCORS"
specialS3ActionsPutBucketTagging = "s3:PutBucketTagging"
specialS3ActionsPutBucketObjectLockConfiguration = "s3:PutBucketObjectLockConfiguration"
specialS3ActionsPutEncryptionConfiguration = "s3:PutEncryptionConfiguration"
specialS3ActionsPutLifecycleConfiguration = "s3:PutLifecycleConfiguration"
specialS3ActionsPutBucketACL = "s3:PutBucketAcl"
specialS3ActionsPutBucketCORS = "s3:PutBucketCORS"
specialS3ActionsDeleteBucketCORS = "s3:DeleteBucketCORS"
specialS3ActionsListMultipartUploadParts = "s3:ListMultipartUploadParts"
specialS3ActionsGetObjectACL = "s3:GetObjectAcl"
specialS3ActionsGetObject = "s3:GetObject"
specialS3ActionsGetObjectVersion = "s3:GetObjectVersion"
specialS3ActionsGetObjectVersionACL = "s3:GetObjectVersionAcl"
specialS3ActionsGetObjectVersionAttributes = "s3:GetObjectVersionAttributes"
specialS3ActionsGetObjectVersionTagging = "s3:GetObjectVersionTagging"
specialS3ActionsPutObjectACL = "s3:PutObjectAcl"
specialS3ActionsPutObjectVersionACL = "s3:PutObjectVersionAcl"
specialS3ActionsPutObjectVersionTagging = "s3:PutObjectVersionTagging"
specialS3ActionsPutObject = "s3:PutObject"
specialS3ActionsDeleteObjectVersionTagging = "s3:DeleteObjectVersionTagging"
specialS3ActionsDeleteObject = "s3:DeleteObject"
specialS3ActionsDeleteObjectVersion = "s3:DeleteObjectVersion"
)
type S3Resolver interface {
GetUserAddress(account, user string) (string, error)
}
@ -22,10 +92,11 @@ func ConvertToS3Chain(p Policy, resolver S3Resolver) (*chain.Chain, error) {
status := formStatus(statement)
actions, actionInverted := statement.action()
if err := validateS3ActionNames(actions); err != nil {
s3Actions, err := formS3ActionNames(actions)
if err != nil {
return nil, err
}
ruleAction := chain.Actions{Inverted: actionInverted, Names: actions}
ruleAction := chain.Actions{Inverted: actionInverted, Names: s3Actions}
if len(ruleAction.Names) == 0 {
continue
}
@ -161,12 +232,24 @@ func validateS3ResourceNames(names []string) error {
return nil
}
func validateS3ActionNames(names []string) error {
for i := range names {
if err := validateAction(names[i]); err != nil {
return err
func formS3ActionNames(names []string) ([]string, error) {
res := make([]string, 0, len(names))
for _, action := range names {
if err := validateAction(action); err != nil {
return nil, err
}
if action == Wildcard {
return []string{Wildcard}, nil
}
if actions, ok := specialActionToS3OpMap[action]; ok {
res = append(res, actions...)
} else {
res = append(res, action)
}
}
return nil
return res, nil
}

22
iam/converter_test.go
View file

@ -71,7 +71,8 @@ func TestConverters(t *testing.T) {
bktName := "DOC-EXAMPLE-BUCKET"
objName := "object-name"
resource := fmt.Sprintf(s3.ResourceFormatS3BucketObjects, bktName)
s3action := "s3:PutObject"
s3GetObjectAction := "s3:GetObject"
s3HeadObjectAction := "s3:HeadObject"
mockResolver := newMockUserResolver([]string{user}, []string{bktName}, namespace)
@ -83,7 +84,7 @@ func TestConverters(t *testing.T) {
AWSPrincipalType: {principal},
},
Effect: AllowEffect,
Action: []string{"s3:PutObject"},
Action: []string{s3GetObjectAction},
Resource: []string{resource},
Conditions: map[string]Condition{
CondStringEquals: {
@ -96,7 +97,7 @@ func TestConverters(t *testing.T) {
expected := &chain.Chain{Rules: []chain.Rule{
{
Status: chain.Allow,
Actions: chain.Actions{Names: []string{s3action}},
Actions: chain.Actions{Names: []string{s3GetObjectAction, s3HeadObjectAction}},
Resources: chain.Resources{Names: []string{resource}},
Condition: []chain.Condition{
{
@ -162,7 +163,7 @@ func TestConverters(t *testing.T) {
AWSPrincipalType: {principal},
},
Effect: DenyEffect,
NotAction: []string{"s3:PutObject"},
NotAction: []string{s3GetObjectAction},
NotResource: []string{resource},
}},
}
@ -170,7 +171,7 @@ func TestConverters(t *testing.T) {
expected := &chain.Chain{Rules: []chain.Rule{
{
Status: chain.AccessDenied,
Actions: chain.Actions{Inverted: true, Names: []string{s3action}},
Actions: chain.Actions{Inverted: true, Names: []string{s3GetObjectAction, s3HeadObjectAction}},
Resources: chain.Resources{Inverted: true, Names: []string{resource}},
Condition: []chain.Condition{
{
@ -317,14 +318,14 @@ func TestConverters(t *testing.T) {
Statement: []Statement{{
Principal: map[PrincipalType][]string{AWSPrincipalType: {principal}},
Effect: AllowEffect,
Action: []string{"s3:PutObject", "iam:*"},
Action: []string{"s3:DeleteObject", "iam:*"},
Resource: []string{"*"},
}},
}
s3Expected := &chain.Chain{Rules: []chain.Rule{{
Status: chain.Allow,
Actions: chain.Actions{Names: []string{"s3:PutObject", "iam:*"}},
Actions: chain.Actions{Names: []string{"s3:DeleteObject", "s3:DeleteMultipleObjects", "iam:*"}},
Resources: chain.Resources{Names: []string{"*"}},
Condition: []chain.Condition{{
Op: chain.CondStringEquals,
@ -340,7 +341,7 @@ func TestConverters(t *testing.T) {
nativeExpected := &chain.Chain{Rules: []chain.Rule{{
Status: chain.Allow,
Actions: chain.Actions{Names: []string{native.MethodPutObject}},
Actions: chain.Actions{Names: []string{native.MethodDeleteObject}},
Resources: chain.Resources{Names: []string{native.ResourceFormatAllObjects}},
Condition: []chain.Condition{{
Op: chain.CondStringEquals,
@ -928,7 +929,8 @@ func TestComplexS3Conditions(t *testing.T) {
resource1 := fmt.Sprintf(s3.ResourceFormatS3BucketObject, bktName1, objName1)
resource2 := fmt.Sprintf(s3.ResourceFormatS3BucketObjects, bktName2)
resource3 := fmt.Sprintf(s3.ResourceFormatS3BucketObjects, bktName3)
action := "s3:PutObject"
action := "s3:DeleteObject"
action2 := "s3:DeleteMultipleObjects"
key1, key2 := "key1", "key2"
val0, val1, val2 := "val0", "val1", "val2"
@ -952,7 +954,7 @@ func TestComplexS3Conditions(t *testing.T) {
}
expectedStatus := chain.AccessDenied
expectedActions := chain.Actions{Names: []string{action}}
expectedActions := chain.Actions{Names: []string{action, action2}}
expectedResources := chain.Resources{Names: []string{resource1, resource2, resource3}}
user1Condition := chain.Condition{Op: chain.CondStringEquals, Object: chain.ObjectRequest, Key: s3.PropertyKeyOwner, Value: mockResolver.users[user1]}