dex/storage/memory/memory.go

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// Package memory provides an in memory implementation of the storage interface.
package memory
import (
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"strings"
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"sync"
"time"
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"github.com/Sirupsen/logrus"
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"github.com/coreos/dex/storage"
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)
// New returns an in memory storage.
func New(logger logrus.FieldLogger) storage.Storage {
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return &memStorage{
clients: make(map[string]storage.Client),
authCodes: make(map[string]storage.AuthCode),
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refreshTokens: make(map[string]storage.RefreshToken),
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authReqs: make(map[string]storage.AuthRequest),
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passwords: make(map[string]storage.Password),
logger: logger,
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}
}
// Config is an implementation of a storage configuration.
//
// TODO(ericchiang): Actually define a storage config interface and have registration.
type Config struct {
// The in memory implementation has no config.
}
// Open always returns a new in memory storage.
func (c *Config) Open(logger logrus.FieldLogger) (storage.Storage, error) {
return New(logger), nil
}
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type memStorage struct {
mu sync.Mutex
clients map[string]storage.Client
authCodes map[string]storage.AuthCode
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refreshTokens map[string]storage.RefreshToken
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authReqs map[string]storage.AuthRequest
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passwords map[string]storage.Password
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keys storage.Keys
logger logrus.FieldLogger
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}
func (s *memStorage) tx(f func()) {
s.mu.Lock()
defer s.mu.Unlock()
f()
}
func (s *memStorage) Close() error { return nil }
func (s *memStorage) GarbageCollect(now time.Time) (result storage.GCResult, err error) {
s.tx(func() {
for id, a := range s.authCodes {
if now.After(a.Expiry) {
delete(s.authCodes, id)
result.AuthCodes++
}
}
for id, a := range s.authReqs {
if now.After(a.Expiry) {
delete(s.authReqs, id)
result.AuthRequests++
}
}
})
return result, nil
}
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func (s *memStorage) CreateClient(c storage.Client) (err error) {
s.tx(func() {
if _, ok := s.clients[c.ID]; ok {
err = storage.ErrAlreadyExists
} else {
s.clients[c.ID] = c
}
})
return
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}
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func (s *memStorage) CreateAuthCode(c storage.AuthCode) (err error) {
s.tx(func() {
if _, ok := s.authCodes[c.ID]; ok {
err = storage.ErrAlreadyExists
} else {
s.authCodes[c.ID] = c
}
})
return
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}
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func (s *memStorage) CreateRefresh(r storage.RefreshToken) (err error) {
s.tx(func() {
if _, ok := s.refreshTokens[r.ID]; ok {
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err = storage.ErrAlreadyExists
} else {
s.refreshTokens[r.ID] = r
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}
})
return
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}
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func (s *memStorage) CreateAuthRequest(a storage.AuthRequest) (err error) {
s.tx(func() {
if _, ok := s.authReqs[a.ID]; ok {
err = storage.ErrAlreadyExists
} else {
s.authReqs[a.ID] = a
}
})
return
}
func (s *memStorage) CreatePassword(p storage.Password) (err error) {
p.Email = strings.ToLower(p.Email)
s.tx(func() {
if _, ok := s.passwords[p.Email]; ok {
err = storage.ErrAlreadyExists
} else {
s.passwords[p.Email] = p
}
})
return
}
func (s *memStorage) GetPassword(email string) (p storage.Password, err error) {
email = strings.ToLower(email)
s.tx(func() {
var ok bool
if p, ok = s.passwords[email]; !ok {
err = storage.ErrNotFound
}
})
return
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}
func (s *memStorage) GetClient(id string) (client storage.Client, err error) {
s.tx(func() {
var ok bool
if client, ok = s.clients[id]; !ok {
err = storage.ErrNotFound
}
})
return
}
func (s *memStorage) GetKeys() (keys storage.Keys, err error) {
s.tx(func() { keys = s.keys })
return
}
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func (s *memStorage) GetRefresh(token string) (tok storage.RefreshToken, err error) {
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s.tx(func() {
var ok bool
if tok, ok = s.refreshTokens[token]; !ok {
err = storage.ErrNotFound
return
}
})
return
}
func (s *memStorage) GetAuthRequest(id string) (req storage.AuthRequest, err error) {
s.tx(func() {
var ok bool
if req, ok = s.authReqs[id]; !ok {
err = storage.ErrNotFound
return
}
})
return
}
func (s *memStorage) ListClients() (clients []storage.Client, err error) {
s.tx(func() {
for _, client := range s.clients {
clients = append(clients, client)
}
})
return
}
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func (s *memStorage) ListRefreshTokens() (tokens []storage.RefreshToken, err error) {
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s.tx(func() {
for _, refresh := range s.refreshTokens {
tokens = append(tokens, refresh)
}
})
return
}
func (s *memStorage) ListPasswords() (passwords []storage.Password, err error) {
s.tx(func() {
for _, password := range s.passwords {
passwords = append(passwords, password)
}
})
return
}
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func (s *memStorage) DeletePassword(email string) (err error) {
email = strings.ToLower(email)
s.tx(func() {
if _, ok := s.passwords[email]; !ok {
err = storage.ErrNotFound
return
}
delete(s.passwords, email)
})
return
}
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func (s *memStorage) DeleteClient(id string) (err error) {
s.tx(func() {
if _, ok := s.clients[id]; !ok {
err = storage.ErrNotFound
return
}
delete(s.clients, id)
})
return
}
func (s *memStorage) DeleteRefresh(token string) (err error) {
s.tx(func() {
if _, ok := s.refreshTokens[token]; !ok {
err = storage.ErrNotFound
return
}
delete(s.refreshTokens, token)
})
return
}
func (s *memStorage) DeleteAuthCode(id string) (err error) {
s.tx(func() {
if _, ok := s.authCodes[id]; !ok {
err = storage.ErrNotFound
return
}
delete(s.authCodes, id)
})
return
}
func (s *memStorage) DeleteAuthRequest(id string) (err error) {
s.tx(func() {
if _, ok := s.authReqs[id]; !ok {
err = storage.ErrNotFound
return
}
delete(s.authReqs, id)
})
return
}
func (s *memStorage) GetAuthCode(id string) (c storage.AuthCode, err error) {
s.tx(func() {
var ok bool
if c, ok = s.authCodes[id]; !ok {
err = storage.ErrNotFound
return
}
})
return
}
func (s *memStorage) UpdateClient(id string, updater func(old storage.Client) (storage.Client, error)) (err error) {
s.tx(func() {
client, ok := s.clients[id]
if !ok {
err = storage.ErrNotFound
return
}
if client, err = updater(client); err == nil {
s.clients[id] = client
}
})
return
}
func (s *memStorage) UpdateKeys(updater func(old storage.Keys) (storage.Keys, error)) (err error) {
s.tx(func() {
var keys storage.Keys
if keys, err = updater(s.keys); err == nil {
s.keys = keys
}
})
return
}
func (s *memStorage) UpdateAuthRequest(id string, updater func(old storage.AuthRequest) (storage.AuthRequest, error)) (err error) {
s.tx(func() {
req, ok := s.authReqs[id]
if !ok {
err = storage.ErrNotFound
return
}
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if req, err = updater(req); err == nil {
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s.authReqs[id] = req
}
})
return
}
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func (s *memStorage) UpdatePassword(email string, updater func(p storage.Password) (storage.Password, error)) (err error) {
email = strings.ToLower(email)
s.tx(func() {
req, ok := s.passwords[email]
if !ok {
err = storage.ErrNotFound
return
}
if req, err = updater(req); err == nil {
s.passwords[email] = req
}
})
return
}
func (s *memStorage) UpdateRefreshToken(id string, updater func(p storage.RefreshToken) (storage.RefreshToken, error)) (err error) {
s.tx(func() {
r, ok := s.refreshTokens[id]
if !ok {
err = storage.ErrNotFound
return
}
if r, err = updater(r); err == nil {
s.refreshTokens[id] = r
}
})
return
}