auth
auth/authcode.go
Add GetEndpoint method, add RemoveEndpoint handler. Add a method to our clientStore and Context types for retrieving an Endpoint from the clientStore. We need this to tell if someone is trying to delete an Endpoint that doesn't exist. Add a handler for removing Endpoints from a Client.
| paddy@26 | 1 package auth |
| paddy@26 | 2 |
| paddy@26 | 3 import ( |
| paddy@84 | 4 "encoding/json" |
| paddy@29 | 5 "errors" |
| paddy@84 | 6 "net/http" |
| paddy@26 | 7 "time" |
| paddy@26 | 8 |
| paddy@107 | 9 "code.secondbit.org/uuid.hg" |
| paddy@26 | 10 ) |
| paddy@26 | 11 |
| paddy@84 | 12 func init() { |
| paddy@84 | 13 RegisterGrantType("authorization_code", GrantType{ |
| paddy@84 | 14 Validate: authCodeGrantValidate, |
| paddy@94 | 15 Invalidate: authCodeGrantInvalidate, |
| paddy@84 | 16 IssuesRefresh: true, |
| paddy@85 | 17 ReturnToken: RenderJSONToken, |
| paddy@123 | 18 AllowsPublic: true, |
| paddy@124 | 19 AuditString: authCodeGrantAuditString, |
| paddy@84 | 20 }) |
| paddy@84 | 21 } |
| paddy@84 | 22 |
| paddy@29 | 23 var ( |
| paddy@87 | 24 // ErrNoAuthorizationCodeStore is returned when a Context tries to act on a authorizationCodeStore without setting one first. |
| paddy@87 | 25 ErrNoAuthorizationCodeStore = errors.New("no authorizationCodeStore was specified for the Context") |
| paddy@87 | 26 // ErrAuthorizationCodeNotFound is returned when an AuthorizationCode is requested but not found in the authorizationCodeStore. |
| paddy@87 | 27 ErrAuthorizationCodeNotFound = errors.New("authorization code not found in authorizationCodeStore") |
| paddy@87 | 28 // ErrAuthorizationCodeAlreadyExists is returned when an AuthorizationCode is added to a authorizationCodeStore, but another AuthorizationCode with the |
| paddy@87 | 29 // same Code already exists in the authorizationCodeStore. |
| paddy@87 | 30 ErrAuthorizationCodeAlreadyExists = errors.New("authorization code already exists in authorizationCodeStore") |
| paddy@29 | 31 ) |
| paddy@29 | 32 |
| paddy@87 | 33 // AuthorizationCode represents an authorization grant made by a user to a Client, to |
| paddy@57 | 34 // access user data within a defined Scope for a limited amount of time. |
| paddy@87 | 35 type AuthorizationCode struct { |
| paddy@26 | 36 Code string |
| paddy@26 | 37 Created time.Time |
| paddy@26 | 38 ExpiresIn int32 |
| paddy@26 | 39 ClientID uuid.ID |
| paddy@135 | 40 Scopes []string |
| paddy@26 | 41 RedirectURI string |
| paddy@26 | 42 State string |
| paddy@69 | 43 ProfileID uuid.ID |
| paddy@94 | 44 Used bool |
| paddy@26 | 45 } |
| paddy@26 | 46 |
| paddy@87 | 47 type authorizationCodeStore interface { |
| paddy@87 | 48 getAuthorizationCode(code string) (AuthorizationCode, error) |
| paddy@87 | 49 saveAuthorizationCode(authCode AuthorizationCode) error |
| paddy@87 | 50 deleteAuthorizationCode(code string) error |
| paddy@94 | 51 useAuthorizationCode(code string) error |
| paddy@26 | 52 } |
| paddy@29 | 53 |
| paddy@87 | 54 func (m *memstore) getAuthorizationCode(code string) (AuthorizationCode, error) { |
| paddy@87 | 55 m.authCodeLock.RLock() |
| paddy@87 | 56 defer m.authCodeLock.RUnlock() |
| paddy@87 | 57 authCode, ok := m.authCodes[code] |
| paddy@29 | 58 if !ok { |
| paddy@87 | 59 return AuthorizationCode{}, ErrAuthorizationCodeNotFound |
| paddy@29 | 60 } |
| paddy@87 | 61 return authCode, nil |
| paddy@29 | 62 } |
| paddy@29 | 63 |
| paddy@87 | 64 func (m *memstore) saveAuthorizationCode(authCode AuthorizationCode) error { |
| paddy@87 | 65 m.authCodeLock.Lock() |
| paddy@87 | 66 defer m.authCodeLock.Unlock() |
| paddy@87 | 67 _, ok := m.authCodes[authCode.Code] |
| paddy@29 | 68 if ok { |
| paddy@87 | 69 return ErrAuthorizationCodeAlreadyExists |
| paddy@29 | 70 } |
| paddy@87 | 71 m.authCodes[authCode.Code] = authCode |
| paddy@29 | 72 return nil |
| paddy@29 | 73 } |
| paddy@29 | 74 |
| paddy@87 | 75 func (m *memstore) deleteAuthorizationCode(code string) error { |
| paddy@87 | 76 m.authCodeLock.Lock() |
| paddy@87 | 77 defer m.authCodeLock.Unlock() |
| paddy@87 | 78 _, ok := m.authCodes[code] |
| paddy@29 | 79 if !ok { |
| paddy@87 | 80 return ErrAuthorizationCodeNotFound |
| paddy@29 | 81 } |
| paddy@87 | 82 delete(m.authCodes, code) |
| paddy@29 | 83 return nil |
| paddy@29 | 84 } |
| paddy@84 | 85 |
| paddy@94 | 86 func (m *memstore) useAuthorizationCode(code string) error { |
| paddy@94 | 87 m.authCodeLock.Lock() |
| paddy@94 | 88 defer m.authCodeLock.Unlock() |
| paddy@94 | 89 a, ok := m.authCodes[code] |
| paddy@94 | 90 if !ok { |
| paddy@94 | 91 return ErrAuthorizationCodeNotFound |
| paddy@94 | 92 } |
| paddy@94 | 93 a.Used = true |
| paddy@94 | 94 m.authCodes[code] = a |
| paddy@94 | 95 return nil |
| paddy@94 | 96 } |
| paddy@94 | 97 |
| paddy@135 | 98 func authCodeGrantValidate(w http.ResponseWriter, r *http.Request, context Context) (scopes []string, profileID uuid.ID, valid bool) { |
| paddy@84 | 99 enc := json.NewEncoder(w) |
| paddy@84 | 100 code := r.PostFormValue("code") |
| paddy@84 | 101 if code == "" { |
| paddy@84 | 102 w.WriteHeader(http.StatusBadRequest) |
| paddy@84 | 103 renderJSONError(enc, "invalid_request") |
| paddy@84 | 104 return |
| paddy@84 | 105 } |
| paddy@123 | 106 clientID, _, ok := getClientAuth(w, r, true) |
| paddy@123 | 107 if !ok { |
| paddy@84 | 108 return |
| paddy@84 | 109 } |
| paddy@87 | 110 authCode, err := context.GetAuthorizationCode(code) |
| paddy@84 | 111 if err != nil { |
| paddy@87 | 112 if err == ErrAuthorizationCodeNotFound { |
| paddy@84 | 113 w.WriteHeader(http.StatusBadRequest) |
| paddy@84 | 114 renderJSONError(enc, "invalid_grant") |
| paddy@84 | 115 return |
| paddy@84 | 116 } |
| paddy@84 | 117 w.WriteHeader(http.StatusInternalServerError) |
| paddy@84 | 118 renderJSONError(enc, "server_error") |
| paddy@84 | 119 return |
| paddy@84 | 120 } |
| paddy@85 | 121 redirectURI := r.PostFormValue("redirect_uri") |
| paddy@87 | 122 if authCode.RedirectURI != redirectURI { |
| paddy@84 | 123 w.WriteHeader(http.StatusBadRequest) |
| paddy@84 | 124 renderJSONError(enc, "invalid_grant") |
| paddy@84 | 125 return |
| paddy@84 | 126 } |
| paddy@87 | 127 if !authCode.ClientID.Equal(clientID) { |
| paddy@84 | 128 w.WriteHeader(http.StatusBadRequest) |
| paddy@84 | 129 renderJSONError(enc, "invalid_grant") |
| paddy@84 | 130 return |
| paddy@84 | 131 } |
| paddy@135 | 132 return authCode.Scopes, authCode.ProfileID, true |
| paddy@84 | 133 } |
| paddy@90 | 134 |
| paddy@90 | 135 func authCodeGrantInvalidate(r *http.Request, context Context) error { |
| paddy@94 | 136 code := r.PostFormValue("code") |
| paddy@94 | 137 if code == "" { |
| paddy@94 | 138 return ErrAuthorizationCodeNotFound |
| paddy@94 | 139 } |
| paddy@94 | 140 return context.UseAuthorizationCode(code) |
| paddy@90 | 141 } |
| paddy@124 | 142 |
| paddy@124 | 143 func authCodeGrantAuditString(r *http.Request) string { |
| paddy@124 | 144 return "authcode:" + r.PostFormValue("code") |
| paddy@124 | 145 } |