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manager_memory.go
134 lines (115 loc) · 2.79 KB
/
manager_memory.go
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/*
* Copyright © 2015-2018 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package group
import (
"sync"
"github.com/ory/hydra/pkg"
"github.com/ory/pagination"
"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, limit, offset int) ([]Group, error) {
if m.Groups == nil {
m.Groups = map[string]Group{}
}
res := make([]Group, 0)
for _, g := range m.Groups {
for _, s := range g.Members {
if s == subject {
res = append(res, g)
break
}
}
}
start, end := pagination.Index(limit, offset, len(res))
return res[start:end], nil
}
func (m *MemoryManager) ListGroups(limit, offset int) ([]Group, error) {
if m.Groups == nil {
m.Groups = map[string]Group{}
}
i := 0
res := make([]Group, len(m.Groups))
for _, g := range m.Groups {
res[i] = g
i++
}
start, end := pagination.Index(limit, offset, len(res))
return res[start:end], nil
}