auth
auth/session.go
Test authentication helper, fix bugs with authentication. Authentication needs to be hex encoded to be stored, so it only makes sense to decode the hex string stored to get the bytes we'll be comparing. Check for ErrLoginNotFound in addition to ErrProfileNotFound. ErrLoginNotFound is more likely to occur, anyways. Add unit tests for our authentication helper to verify it functions as expected.
| paddy@70 | 1 package auth |
| paddy@70 | 2 |
| paddy@70 | 3 import ( |
| paddy@70 | 4 "errors" |
| paddy@70 | 5 "time" |
| paddy@70 | 6 |
| paddy@70 | 7 "code.secondbit.org/uuid" |
| paddy@70 | 8 ) |
| paddy@70 | 9 |
| paddy@70 | 10 var ( |
| paddy@70 | 11 // ErrNoSessionStore is returned when a Context tries to act on a sessionStore without setting on first. |
| paddy@70 | 12 ErrNoSessionStore = errors.New("no sessionStore was specified for the Context") |
| paddy@70 | 13 // ErrSessionNotFound is returned when a Session is requested but not found in the sessionStore. |
| paddy@70 | 14 ErrSessionNotFound = errors.New("session not found in sessionStore") |
| paddy@70 | 15 // ErrInvalidSession is returned when a Session is specified but is not valid. |
| paddy@70 | 16 ErrInvalidSession = errors.New("session is not valid") |
| paddy@77 | 17 // ErrSessionAlreadyExists is returned when a sessionStore tries to store a Session with an ID that already exists in the sessionStore. |
| paddy@77 | 18 ErrSessionAlreadyExists = errors.New("session already exists") |
| paddy@70 | 19 ) |
| paddy@70 | 20 |
| paddy@70 | 21 // Session represents a user's authenticated session, associating it with a profile |
| paddy@70 | 22 // and some audit data. |
| paddy@70 | 23 type Session struct { |
| paddy@70 | 24 ID string |
| paddy@70 | 25 IP string |
| paddy@70 | 26 UserAgent string |
| paddy@70 | 27 ProfileID uuid.ID |
| paddy@70 | 28 Created time.Time |
| paddy@70 | 29 Login string |
| paddy@70 | 30 Active bool |
| paddy@70 | 31 } |
| paddy@70 | 32 |
| paddy@70 | 33 type sessionStore interface { |
| paddy@70 | 34 createSession(session Session) error |
| paddy@70 | 35 getSession(id string) (Session, error) |
| paddy@70 | 36 removeSession(id string) error |
| paddy@70 | 37 listSessions(profile uuid.ID, before time.Time, num int64) ([]Session, error) |
| paddy@70 | 38 } |
| paddy@77 | 39 |
| paddy@77 | 40 func (m *memstore) createSession(session Session) error { |
| paddy@77 | 41 m.sessionLock.Lock() |
| paddy@77 | 42 defer m.sessionLock.Unlock() |
| paddy@77 | 43 if _, ok := m.sessions[session.ID]; ok { |
| paddy@77 | 44 return ErrSessionAlreadyExists |
| paddy@77 | 45 } |
| paddy@77 | 46 m.sessions[session.ID] = session |
| paddy@77 | 47 return nil |
| paddy@77 | 48 } |
| paddy@77 | 49 |
| paddy@77 | 50 func (m *memstore) getSession(id string) (Session, error) { |
| paddy@77 | 51 m.sessionLock.RLock() |
| paddy@77 | 52 defer m.sessionLock.RUnlock() |
| paddy@77 | 53 if _, ok := m.sessions[id]; !ok { |
| paddy@77 | 54 return Session{}, ErrSessionNotFound |
| paddy@77 | 55 } |
| paddy@77 | 56 return m.sessions[id], nil |
| paddy@77 | 57 } |
| paddy@77 | 58 |
| paddy@77 | 59 func (m *memstore) removeSession(id string) error { |
| paddy@77 | 60 m.sessionLock.Lock() |
| paddy@77 | 61 defer m.sessionLock.Unlock() |
| paddy@77 | 62 if _, ok := m.sessions[id]; !ok { |
| paddy@77 | 63 return ErrSessionNotFound |
| paddy@77 | 64 } |
| paddy@77 | 65 delete(m.sessions, id) |
| paddy@77 | 66 return nil |
| paddy@77 | 67 } |
| paddy@77 | 68 |
| paddy@77 | 69 func (m *memstore) listSessions(profile uuid.ID, before time.Time, num int64) ([]Session, error) { |
| paddy@77 | 70 m.sessionLock.RLock() |
| paddy@77 | 71 defer m.sessionLock.RUnlock() |
| paddy@77 | 72 res := []Session{} |
| paddy@77 | 73 for _, session := range m.sessions { |
| paddy@77 | 74 if int64(len(res)) >= num { |
| paddy@77 | 75 break |
| paddy@77 | 76 } |
| paddy@77 | 77 if profile != nil && !profile.Equal(session.ProfileID) { |
| paddy@77 | 78 continue |
| paddy@77 | 79 } |
| paddy@77 | 80 if !before.IsZero() && session.Created.After(before) { |
| paddy@77 | 81 continue |
| paddy@77 | 82 } |
| paddy@77 | 83 res = append(res, session) |
| paddy@77 | 84 } |
| paddy@77 | 85 // BUG(paddy): sessions should return sorted by date created |
| paddy@77 | 86 return res, nil |
| paddy@77 | 87 } |