auth

Paddy 2014-11-02 Parent:e45bfa2abc00 Child:42bc3e44f4fe

61:cef5111af5c7 Go to Latest

auth/grant.go

Make static error messages HTML safe. We may, at some point, want to use links or HTML elements in these static error messages. Since they're hardcoded, let's pass them as safe HTML strings.

History
paddy@26 1 package auth
paddy@26 2
paddy@26 3 import (
paddy@29 4 "errors"
paddy@26 5 "time"
paddy@26 6
paddy@45 7 "code.secondbit.org/uuid"
paddy@26 8 )
paddy@26 9
paddy@29 10 var (
paddy@57 11 // ErrNoGrantStore is returned when a Context tries to act on a grantStore without setting one first.
paddy@57 12 ErrNoGrantStore = errors.New("no grantStore was specified for the Context")
paddy@57 13 // ErrGrantNotFound is returned when a Grant is requested but not found in the grantStore.
paddy@57 14 ErrGrantNotFound = errors.New("grant not found in grantStore")
paddy@57 15 // ErrGrantAlreadyExists is returned when a Grant is added to a grantStore, but another Grant with the
paddy@57 16 // same Code already exists in the grantStore.
paddy@57 17 ErrGrantAlreadyExists = errors.New("grant already exists in grantStore")
paddy@29 18 )
paddy@29 19
paddy@57 20 // Grant represents an authorization grant made by a user to a Client, to
paddy@57 21 // access user data within a defined Scope for a limited amount of time.
paddy@26 22 type Grant struct {
paddy@26 23 Code string
paddy@26 24 Created time.Time
paddy@26 25 ExpiresIn int32
paddy@26 26 ClientID uuid.ID
paddy@26 27 Scope string
paddy@26 28 RedirectURI string
paddy@26 29 State string
paddy@26 30 }
paddy@26 31
paddy@57 32 type grantStore interface {
paddy@57 33 getGrant(code string) (Grant, error)
paddy@57 34 saveGrant(grant Grant) error
paddy@57 35 deleteGrant(code string) error
paddy@26 36 }
paddy@29 37
paddy@57 38 func (m *memstore) getGrant(code string) (Grant, error) {
paddy@29 39 m.grantLock.RLock()
paddy@29 40 defer m.grantLock.RUnlock()
paddy@29 41 grant, ok := m.grants[code]
paddy@29 42 if !ok {
paddy@29 43 return Grant{}, ErrGrantNotFound
paddy@29 44 }
paddy@29 45 return grant, nil
paddy@29 46 }
paddy@29 47
paddy@57 48 func (m *memstore) saveGrant(grant Grant) error {
paddy@29 49 m.grantLock.Lock()
paddy@29 50 defer m.grantLock.Unlock()
paddy@29 51 _, ok := m.grants[grant.Code]
paddy@29 52 if ok {
paddy@29 53 return ErrGrantAlreadyExists
paddy@29 54 }
paddy@29 55 m.grants[grant.Code] = grant
paddy@29 56 return nil
paddy@29 57 }
paddy@29 58
paddy@57 59 func (m *memstore) deleteGrant(code string) error {
paddy@29 60 m.grantLock.Lock()
paddy@29 61 defer m.grantLock.Unlock()
paddy@29 62 _, ok := m.grants[code]
paddy@29 63 if !ok {
paddy@29 64 return ErrGrantNotFound
paddy@29 65 }
paddy@29 66 delete(m.grants, code)
paddy@29 67 return nil
paddy@29 68 }