auth
auth/memstore.go
Randomly generate codes. We've been using our IDs for auth codes. But our IDs may at some point be non-random, for the purpose of optimising database performance, or some other perfectly valid reason. Auth codes we always want to be random, and have no relation to IDs, so why conflate them? Instead, we pull 16 random bytes out of crypto/rand.Reader and hex encode them.
| paddy@28 | 1 package auth |
| paddy@28 | 2 |
| paddy@31 | 3 import ( |
| paddy@31 | 4 "sync" |
| paddy@31 | 5 |
| paddy@107 | 6 "code.secondbit.org/uuid.hg" |
| paddy@31 | 7 ) |
| paddy@28 | 8 |
| paddy@57 | 9 type memstore struct { |
| paddy@28 | 10 tokens map[string]Token |
| paddy@28 | 11 refreshTokenLookup map[string]string |
| paddy@28 | 12 profileTokenLookup map[string][]string |
| paddy@28 | 13 tokenLock sync.RWMutex |
| paddy@29 | 14 |
| paddy@87 | 15 authCodes map[string]AuthorizationCode |
| paddy@87 | 16 authCodeLock sync.RWMutex |
| paddy@31 | 17 |
| paddy@31 | 18 clients map[string]Client |
| paddy@31 | 19 profileClientLookup map[string][]uuid.ID |
| paddy@31 | 20 clientLock sync.RWMutex |
| paddy@38 | 21 |
| paddy@41 | 22 endpoints map[string][]Endpoint |
| paddy@41 | 23 endpointLock sync.RWMutex |
| paddy@41 | 24 |
| paddy@38 | 25 profiles map[string]Profile |
| paddy@38 | 26 profileLock sync.RWMutex |
| paddy@44 | 27 |
| paddy@44 | 28 logins map[string]Login |
| paddy@44 | 29 profileLoginLookup map[string][]string |
| paddy@44 | 30 loginLock sync.RWMutex |
| paddy@77 | 31 |
| paddy@77 | 32 sessions map[string]Session |
| paddy@77 | 33 sessionLock sync.RWMutex |
| paddy@134 | 34 |
| paddy@134 | 35 scopes map[string]Scope |
| paddy@134 | 36 scopeLock sync.RWMutex |
| paddy@28 | 37 } |
| paddy@28 | 38 |
| paddy@57 | 39 // NewMemstore returns an in-memory version of our datastores, |
| paddy@57 | 40 // which is handy for tests. Though the implementation is concurrency-safe, |
| paddy@57 | 41 // if makes no attempt to persist the data, and therefore it is inadvisable |
| paddy@57 | 42 // to use it in a production setting. |
| paddy@57 | 43 func NewMemstore() *memstore { |
| paddy@57 | 44 return &memstore{ |
| paddy@31 | 45 tokens: map[string]Token{}, |
| paddy@31 | 46 refreshTokenLookup: map[string]string{}, |
| paddy@31 | 47 profileTokenLookup: map[string][]string{}, |
| paddy@87 | 48 authCodes: map[string]AuthorizationCode{}, |
| paddy@31 | 49 clients: map[string]Client{}, |
| paddy@31 | 50 profileClientLookup: map[string][]uuid.ID{}, |
| paddy@41 | 51 endpoints: map[string][]Endpoint{}, |
| paddy@38 | 52 profiles: map[string]Profile{}, |
| paddy@44 | 53 logins: map[string]Login{}, |
| paddy@44 | 54 profileLoginLookup: map[string][]string{}, |
| paddy@77 | 55 sessions: map[string]Session{}, |
| paddy@134 | 56 scopes: map[string]Scope{}, |
| paddy@28 | 57 } |
| paddy@28 | 58 } |
| paddy@28 | 59 |
| paddy@57 | 60 func (m *memstore) lookupTokenByRefresh(token string) (string, error) { |
| paddy@28 | 61 m.tokenLock.RLock() |
| paddy@28 | 62 defer m.tokenLock.RUnlock() |
| paddy@28 | 63 t, ok := m.refreshTokenLookup[token] |
| paddy@28 | 64 if !ok { |
| paddy@28 | 65 return "", ErrTokenNotFound |
| paddy@28 | 66 } |
| paddy@28 | 67 return t, nil |
| paddy@28 | 68 } |
| paddy@28 | 69 |
| paddy@57 | 70 func (m *memstore) lookupTokensByProfileID(id string) ([]string, error) { |
| paddy@28 | 71 m.tokenLock.RLock() |
| paddy@28 | 72 defer m.tokenLock.RUnlock() |
| paddy@28 | 73 return m.profileTokenLookup[id], nil |
| paddy@28 | 74 } |
| paddy@31 | 75 |
| paddy@57 | 76 func (m *memstore) lookupClientsByProfileID(id string) []uuid.ID { |
| paddy@31 | 77 m.clientLock.RLock() |
| paddy@31 | 78 defer m.clientLock.RUnlock() |
| paddy@33 | 79 c, ok := m.profileClientLookup[id] |
| paddy@33 | 80 if !ok { |
| paddy@33 | 81 return []uuid.ID{} |
| paddy@33 | 82 } |
| paddy@33 | 83 return c |
| paddy@31 | 84 } |