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[#199] sdk/eacl: Correct linter's remarks

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Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-11-16 17:24:06 +03:00 committed by Alex Vanin
parent 2b3502d6c0
commit c6884f9823
7 changed files with 137 additions and 55 deletions
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49
pkg/acl/eacl/enums.go
View file

@ -5,60 +5,100 @@ import (
)
// Action taken if EACL record matched request.
// Action is compatible with v2 acl.Action enum.
type Action uint32
const (
// ActionUnknown is an Action value used to mark action as undefined.
ActionUnknown Action = iota
// ActionAllow is an Action value that allows access to the operation from context.
ActionAllow
// ActionDeny is an Action value that denies access to the operation from context.
ActionDeny
)
// Operation is a object service method to match request.
// Operation is compatible with v2 acl.Operation enum.
type Operation uint32
const (
// OperationUnknown is an Operation value used to mark operation as undefined.
OperationUnknown Operation = iota
// OperationGet is an object get Operation.
OperationGet
// OperationHead is an Operation of getting the object header.
OperationHead
// OperationPut is an object put Operation.
OperationPut
// OperationDelete is an object delete Operation.
OperationDelete
// OperationSearch is an object search Operation.
OperationSearch
// OperationRange is an object payload range retrieval Operation.
OperationRange
// OperationRangeHash is an object payload range hashing Operation.
OperationRangeHash
)
// Role is a group of request senders to match request.
// Role is compatible with v2 acl.Role enum.
type Role uint32
const (
// RoleUnknown is a Role value used to mark role as undefined.
RoleUnknown Role = iota
// RoleUser is a group of senders that contains only key of container owner.
RoleUser
// RoleSystem is a group of senders that contains keys of container nodes and
// inner ring nodes.
RoleSystem
// RoleOthers is a group of senders that contains none of above keys.
RoleOthers
)
// Match is binary operation on filer name and value to check if request is matched.
// Match is compatible with v2 acl.MatchType enum.
type Match uint32
const (
// MatchUnknown is a Match value used to mark matcher as undefined.
MatchUnknown Match = iota
// MatchStringEqual is a Match of string equality.
MatchStringEqual
// MatchStringNotEqual is a Match of string inequality.
MatchStringNotEqual
)
// FilterHeaderType indicates source of headers to make matches.
// FilterHeaderType is compatible with v2 acl.HeaderType enum.
type FilterHeaderType uint32
const (
// HeaderTypeUnknown is a FilterHeaderType value used to mark header type as undefined.
HeaderTypeUnknown FilterHeaderType = iota
// HeaderFromRequest is a FilterHeaderType for request X-Header.
HeaderFromRequest
// HeaderFromObject is a FilterHeaderType for object header.
HeaderFromObject
)
// ToV2 converts Action to v2 Action enum value.
func (a Action) ToV2() v2acl.Action {
switch a {
case ActionAllow:
@ -70,6 +110,7 @@ func (a Action) ToV2() v2acl.Action {
}
}
// ActionFromV2 converts v2 Action enum value to Action.
func ActionFromV2(action v2acl.Action) (a Action) {
switch action {
case v2acl.ActionAllow:
@ -83,6 +124,7 @@ func ActionFromV2(action v2acl.Action) (a Action) {
return a
}
// ToV2 converts Operation to v2 Operation enum value.
func (o Operation) ToV2() v2acl.Operation {
switch o {
case OperationGet:
@ -104,6 +146,7 @@ func (o Operation) ToV2() v2acl.Operation {
}
}
// OperationFromV2 converts v2 Operation enum value to Operation.
func OperationFromV2(operation v2acl.Operation) (o Operation) {
switch operation {
case v2acl.OperationGet:
@ -127,6 +170,7 @@ func OperationFromV2(operation v2acl.Operation) (o Operation) {
return o
}
// ToV2 converts Role to v2 Role enum value.
func (r Role) ToV2() v2acl.Role {
switch r {
case RoleUser:
@ -140,6 +184,7 @@ func (r Role) ToV2() v2acl.Role {
}
}
// RoleFromV2 converts v2 Role enum value to Role.
func RoleFromV2(role v2acl.Role) (r Role) {
switch role {
case v2acl.RoleUser:
@ -155,6 +200,7 @@ func RoleFromV2(role v2acl.Role) (r Role) {
return r
}
// ToV2 converts Match to v2 MatchType enum value.
func (m Match) ToV2() v2acl.MatchType {
switch m {
case MatchStringEqual:
@ -166,6 +212,7 @@ func (m Match) ToV2() v2acl.MatchType {
}
}
// MatchFromV2 converts v2 MatchType enum value to Match.
func MatchFromV2(match v2acl.MatchType) (m Match) {
switch match {
case v2acl.MatchTypeStringEqual:
@ -179,6 +226,7 @@ func MatchFromV2(match v2acl.MatchType) (m Match) {
return m
}
// ToV2 converts FilterHeaderType to v2 HeaderType enum value.
func (h FilterHeaderType) ToV2() v2acl.HeaderType {
switch h {
case HeaderFromRequest:
@ -190,6 +238,7 @@ func (h FilterHeaderType) ToV2() v2acl.HeaderType {
}
}
// FilterHeaderTypeFromV2 converts v2 HeaderType enum value to FilterHeaderType.
func FilterHeaderTypeFromV2(header v2acl.HeaderType) (h FilterHeaderType) {
switch header {
case v2acl.HeaderTypeRequest:

11
pkg/acl/eacl/filter.go
View file

@ -8,10 +8,12 @@ import (
// Filter defines check conditions if request header is matched or not. Matched
// header means that request should be processed according to EACL action.
//
// Filter is compatible with v2 acl.EACLRecord.Filter message.
type Filter struct {
from FilterHeaderType
key filterKey
matcher Match
key filterKey
value fmt.Stringer
}
@ -43,22 +45,27 @@ func (s staticStringer) String() string {
return string(s)
}
// Value returns filtered string value.
func (f Filter) Value() string {
return f.value.String()
}
// Matcher returns filter Match type.
func (f Filter) Matcher() Match {
return f.matcher
}
// Key returns key to the filtered header.
func (f Filter) Key() string {
return f.key.String()
}
// From returns FilterHeaderType that defined which header will be filtered.
func (f Filter) From() FilterHeaderType {
return f.from
}
// ToV2 converts Filter to v2 acl.EACLRecord.Filter message.
func (f *Filter) ToV2() *v2acl.HeaderFilter {
filter := new(v2acl.HeaderFilter)
filter.SetValue(f.value.String())
@ -94,10 +101,12 @@ func (k filterKey) String() string {
}
}
// NewFilter creates, initializes and returns blank Filter instance.
func NewFilter() *Filter {
return NewFilterFromV2(new(v2acl.HeaderFilter))
}
// NewFilterFromV2 converts v2 acl.EACLRecord.Filter message to Filter.
func NewFilterFromV2(filter *v2acl.HeaderFilter) *Filter {
f := new(Filter)

56
pkg/acl/eacl/record.go
View file

@ -10,43 +10,50 @@ import (
v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
)
type (
// Record of the EACL rule, that defines EACL action, targets for this action,
// object service operation and filters for request headers.
Record struct {
action Action
operation Operation
filters []Filter
targets []Target
}
)
// Record of the EACL rule, that defines EACL action, targets for this action,
// object service operation and filters for request headers.
//
// Record is compatible with v2 acl.EACLRecord message.
type Record struct {
action Action
operation Operation
filters []*Filter
targets []*Target
}
func (r Record) Targets() []Target {
// Targets returns list of target subjects to apply ACL rule to.
func (r Record) Targets() []*Target {
return r.targets
}
func (r Record) Filters() []Filter {
// Filters returns list of filters to match and see if rule is applicable.
func (r Record) Filters() []*Filter {
return r.filters
}
// Operation returns NeoFS request verb to match.
func (r Record) Operation() Operation {
return r.operation
}
// SetOperation sets NeoFS request verb to match.
func (r *Record) SetOperation(operation Operation) {
r.operation = operation
}
// Action returns rule execution result.
func (r Record) Action() Action {
return r.action
}
// SetAction sets rule execution result.
func (r *Record) SetAction(action Action) {
r.action = action
}
// AddTarget adds target subject with specified Role and key list.
func (r *Record) AddTarget(role Role, keys ...ecdsa.PublicKey) {
t := Target{
t := &Target{
role: role,
keys: make([]ecdsa.PublicKey, 0, len(keys)),
}
@ -59,7 +66,7 @@ func (r *Record) AddTarget(role Role, keys ...ecdsa.PublicKey) {
}
func (r *Record) addFilter(from FilterHeaderType, m Match, keyTyp filterKeyType, key string, val fmt.Stringer) {
filter := Filter{
filter := &Filter{
from: from,
key: filterKey{
typ: keyTyp,
@ -80,28 +87,34 @@ func (r *Record) addObjectReservedFilter(m Match, typ filterKeyType, val fmt.Str
r.addObjectFilter(m, typ, "", val)
}
// AddFilter adds generic filter.
func (r *Record) AddFilter(from FilterHeaderType, matcher Match, name, value string) {
r.addFilter(from, matcher, 0, name, staticStringer(value))
}
// AddObjectAttributeFilter adds filter by object attribute.
func (r *Record) AddObjectAttributeFilter(m Match, key, value string) {
r.addObjectFilter(m, 0, key, staticStringer(value))
}
// AddObjectVersionFilter adds filter by object version.
func (r *Record) AddObjectVersionFilter(m Match, v *pkg.Version) {
r.addObjectReservedFilter(m, fKeyObjVersion, v)
}
// AddObjectContainerIDFilter adds filter by object container ID.
func (r *Record) AddObjectContainerIDFilter(m Match, id *container.ID) {
r.addObjectReservedFilter(m, fKeyObjContainerID, id)
}
// AddObjectOwnerIDFilter adds filter by object owner ID.
func (r *Record) AddObjectOwnerIDFilter(m Match, id *owner.ID) {
r.addObjectReservedFilter(m, fKeyObjOwnerID, id)
}
// TODO: add remaining filters after neofs-api#72
// ToV2 converts Record to v2 acl.EACLRecord message.
func (r *Record) ToV2() *v2acl.Record {
targets := make([]*v2acl.Target, 0, len(r.targets))
for _, target := range r.targets {
@ -123,20 +136,23 @@ func (r *Record) ToV2() *v2acl.Record {
return v2
}
// NewRecord creates and returns blank Record instance.
func NewRecord() *Record {
return new(Record)
}
// CreateRecord creates, initializes with parameters and returns Record instance.
func CreateRecord(action Action, operation Operation) *Record {
r := NewRecord()
r.action = action
r.operation = operation
r.targets = []Target{}
r.filters = []Filter{}
r.targets = []*Target{}
r.filters = []*Filter{}
return r
}
// NewRecordFromV2 converts v2 acl.EACLRecord message to Record.
func NewRecordFromV2(record *v2acl.Record) *Record {
r := NewRecord()
@ -150,14 +166,14 @@ func NewRecordFromV2(record *v2acl.Record) *Record {
v2targets := record.GetTargets()
v2filters := record.GetFilters()
r.targets = make([]Target, 0, len(v2targets))
r.targets = make([]*Target, 0, len(v2targets))
for i := range v2targets {
r.targets = append(r.targets, *NewTargetFromV2(v2targets[i]))
r.targets = append(r.targets, NewTargetFromV2(v2targets[i]))
}
r.filters = make([]Filter, 0, len(v2filters))
r.filters = make([]*Filter, 0, len(v2filters))
for i := range v2filters {
r.filters = append(r.filters, *NewFilterFromV2(v2filters[i]))
r.filters = append(r.filters, NewFilterFromV2(v2filters[i]))
}
return r

8
pkg/acl/eacl/record_test.go
View file

@ -39,7 +39,7 @@ func TestRecord(t *testing.T) {
}
func TestRecord_AddTarget(t *testing.T) {
targets := []Target{
targets := []*Target{
{
role: RoleUnknown,
keys: []ecdsa.PublicKey{test.DecodeKey(1).PublicKey},
@ -59,9 +59,9 @@ func TestRecord_AddTarget(t *testing.T) {
}
func TestRecord_AddFilter(t *testing.T) {
filters := []Filter{
*newObjectFilter(MatchStringEqual, "some name", "ContainerID"),
*newObjectFilter(MatchStringNotEqual, "X-Header-Name", "X-Header-Value"),
filters := []*Filter{
newObjectFilter(MatchStringEqual, "some name", "ContainerID"),
newObjectFilter(MatchStringNotEqual, "X-Header-Name", "X-Header-Value"),
}
r := NewRecord()

36
pkg/acl/eacl/table.go
View file

@ -8,41 +8,48 @@ import (
v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
)
type (
// Table is a group of EACL records for single container.
Table struct {
version pkg.Version
cid *container.ID
records []Record
}
)
// Table is a group of EACL records for single container.
//
// Table is compatible with v2 acl.EACLTable message.
type Table struct {
version pkg.Version
cid *container.ID
records []*Record
}
// CID returns identifier of the container that should use given access control rules.
func (t Table) CID() *container.ID {
return t.cid
}
// SetCID sets identifier of the container that should use given access control rules.
func (t *Table) SetCID(cid *container.ID) {
t.cid = cid
}
// Version returns version of eACL format.
func (t Table) Version() pkg.Version {
return t.version
}
// SetVersion sets version of eACL format.
func (t *Table) SetVersion(version pkg.Version) {
t.version = version
}
func (t Table) Records() []Record {
// Records returns list of extended ACL rules.
func (t Table) Records() []*Record {
return t.records
}
// AddRecord adds single eACL rule.
func (t *Table) AddRecord(r *Record) {
if r != nil {
t.records = append(t.records, *r)
t.records = append(t.records, r)
}
}
// ToV2 converts Table to v2 acl.EACLTable message.
func (t *Table) ToV2() *v2acl.Table {
v2 := new(v2acl.Table)
@ -61,6 +68,7 @@ func (t *Table) ToV2() *v2acl.Table {
return v2
}
// NewTable creates, initializes and returns blank Table instance.
func NewTable() *Table {
t := new(Table)
t.SetVersion(*pkg.SDKVersion())
@ -68,6 +76,7 @@ func NewTable() *Table {
return t
}
// CreateTable creates, initializes with parameters and returns Table instance.
func CreateTable(cid container.ID) *Table {
t := NewTable()
t.SetCID(&cid)
@ -75,6 +84,7 @@ func CreateTable(cid container.ID) *Table {
return t
}
// NewTableFromV2 converts v2 acl.EACLTable message to Table.
func NewTableFromV2(table *v2acl.Table) *Table {
t := new(Table)
@ -98,15 +108,17 @@ func NewTableFromV2(table *v2acl.Table) *Table {
}
var h [sha256.Size]byte
copy(h[:], table.GetContainerID().GetValue())
t.cid.SetSHA256(h)
}
// set eacl records
v2records := table.GetRecords()
t.records = make([]Record, 0, len(v2records))
t.records = make([]*Record, 0, len(v2records))
for i := range v2records {
t.records = append(t.records, *NewRecordFromV2(v2records[i]))
t.records = append(t.records, NewRecordFromV2(v2records[i]))
}
return t

22
pkg/acl/eacl/table_test.go
View file

@ -7,23 +7,9 @@ import (
"github.com/nspcc-dev/neofs-api-go/pkg"
"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-crypto/test"
"github.com/stretchr/testify/require"
)
// example how to create eACL tables in applications
func example() {
record := eacl.CreateRecord(eacl.ActionDeny, eacl.OperationPut)
record.AddFilter(eacl.HeaderFromObject, eacl.MatchStringEqual, "filename", "cat.jpg")
record.AddTarget(eacl.RoleOthers, test.DecodeKey(1).PublicKey, test.DecodeKey(2).PublicKey)
var cid container.ID
cid.SetSHA256(sha256.Sum256([]byte("container id")))
table := eacl.CreateTable(cid)
table.AddRecord(record)
}
func TestTable(t *testing.T) {
var (
v pkg.Version
@ -66,14 +52,14 @@ func TestTable(t *testing.T) {
}
func TestTable_AddRecord(t *testing.T) {
records := []eacl.Record{
*eacl.CreateRecord(eacl.ActionDeny, eacl.OperationDelete),
*eacl.CreateRecord(eacl.ActionAllow, eacl.OperationPut),
records := []*eacl.Record{
eacl.CreateRecord(eacl.ActionDeny, eacl.OperationDelete),
eacl.CreateRecord(eacl.ActionAllow, eacl.OperationPut),
}
table := eacl.NewTable()
for _, record := range records {
table.AddRecord(&record)
table.AddRecord(record)
}
require.Equal(t, records, table.Records())

10
pkg/acl/eacl/target.go
View file

@ -9,27 +9,34 @@ import (
// Target is a group of request senders to match EACL. Defined by role enum
// and set of public keys.
//
// Target is compatible with v2 acl.EACLRecord.Target message.
type Target struct {
role Role
keys []ecdsa.PublicKey
}
// SetKeys sets list of public keys to identify target subject.
func (t *Target) SetKeys(keys ...ecdsa.PublicKey) {
t.keys = keys
}
// Keys returns list of public keys to identify target subject.
func (t Target) Keys() []ecdsa.PublicKey {
return t.keys
}
// SetRole sets target subject's role class.
func (t *Target) SetRole(r Role) {
t.role = r
}
// Role returns target subject's role class.
func (t Target) Role() Role {
return t.role
}
// ToV2 converts Target to v2 acl.EACLRecord.Target message.
func (t *Target) ToV2() *v2acl.Target {
keys := make([][]byte, 0, len(t.keys))
for i := range t.keys {
@ -45,10 +52,12 @@ func (t *Target) ToV2() *v2acl.Target {
return target
}
// NewTarget creates, initializes and returns blank Target instance.
func NewTarget() *Target {
return NewTargetFromV2(new(v2acl.Target))
}
// NewTargetFromV2 converts v2 acl.EACLRecord.Target message to Target.
func NewTargetFromV2(target *v2acl.Target) *Target {
t := new(Target)
@ -59,6 +68,7 @@ func NewTargetFromV2(target *v2acl.Target) *Target {
t.role = RoleFromV2(target.GetRole())
v2keys := target.GetKeys()
t.keys = make([]ecdsa.PublicKey, 0, len(v2keys))
for i := range v2keys {
key := crypto.UnmarshalPublicKey(v2keys[i])
t.keys = append(t.keys, *key)