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manager_memory.go
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/
manager_memory.go
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// Copyright © 2017 Aeneas Rekkas <aeneas+oss@aeneas.io>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package group
import (
"sync"
"github.com/ory/hydra/pkg"
"github.com/pborman/uuid"
"github.com/pkg/errors"
)
func NewMemoryManager() *MemoryManager {
return &MemoryManager{
Groups: map[string]Group{},
}
}
type MemoryManager struct {
Groups map[string]Group
sync.RWMutex
}
func (m *MemoryManager) CreateGroup(g *Group) error {
if g.ID == "" {
g.ID = uuid.New()
}
if m.Groups == nil {
m.Groups = map[string]Group{}
}
m.Groups[g.ID] = *g
return nil
}
func (m *MemoryManager) GetGroup(id string) (*Group, error) {
if g, ok := m.Groups[id]; !ok {
return nil, errors.WithStack(pkg.ErrNotFound)
} else {
return &g, nil
}
}
func (m *MemoryManager) DeleteGroup(id string) error {
delete(m.Groups, id)
return nil
}
func (m *MemoryManager) AddGroupMembers(group string, subjects []string) error {
g, err := m.GetGroup(group)
if err != nil {
return err
}
g.Members = append(g.Members, subjects...)
return m.CreateGroup(g)
}
func (m *MemoryManager) RemoveGroupMembers(group string, subjects []string) error {
g, err := m.GetGroup(group)
if err != nil {
return err
}
var subs []string
for _, s := range g.Members {
var remove bool
for _, f := range subjects {
if f == s {
remove = true
break
}
}
if !remove {
subs = append(subs, s)
}
}
g.Members = subs
return m.CreateGroup(g)
}
func (m *MemoryManager) FindGroupsByMember(subject string) ([]Group, error) {
if m.Groups == nil {
m.Groups = map[string]Group{}
}
var res = []Group{}
for _, g := range m.Groups {
for _, s := range g.Members {
if s == subject {
res = append(res, g)
break
}
}
}
return res, nil
}