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Merge pull request #1176 from vyshane/master

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New id_provider scope that adds the connector ID and user ID to the ID token claims
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Eric Chiang 2018-02-03 11:47:42 -08:00 committed by GitHub
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2 changed files with 25 additions and 1 deletions
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11
Documentation/custom-scopes-claims-clients.md
View file

@ -12,6 +12,7 @@ The following is the exhaustive list of scopes supported by dex:
| `email` | ID token claims should include the end user's email and if that email was verified by an upstream provider. |
| `profile` | ID token claims should include the username of the end user. |
| `groups` | ID token claims should include a list of groups the end user is a member of. |
| `federated:id` | ID token claims should include information from the ID provider. The token will contain the connector ID and the user ID assigned at the provider. |
| `offline_access` | Token response should include a refresh token. Doesn't work in combinations with some connectors, notability the [SAML connector][saml-connector] ignores this scope. |
| `audience:server:client_id:( client-id )` | Dynamic scope indicating that the ID token should be issued on behalf of another client. See the _"Cross-client trust and authorized party"_ section below. |
@ -22,10 +23,20 @@ Beyond the [required OpenID Connect claims][core-claims], and a handful of [stan
| Name | Description |
| ---- | ------------|
| `groups` | A list of strings representing the groups a user is a member of. |
| `federated_claims` | The connector ID and the user ID assigned to the user at the provider. |
| `email` | The email of the user. |
| `email_verified` | If the upstream provider has verified the email. |
| `name` | User's display name. |
The `federated_claims` claim has the following format:
```json
"federated_claims": {
"connector_id": "github",
"user_id": "110272483197731336751"
}
```
## Cross-client trust and authorized party
Dex has the ability to issue ID tokens to clients on behalf of other clients. In OpenID Connect terms, this means the ID token's `aud` (audience) claim being a different client ID than the client that performed the login.

15
server/oauth2.go
View file

@ -107,6 +107,7 @@ const (
scopeGroups = "groups"
scopeEmail = "email"
scopeProfile = "profile"
scopeFederatedID = "federated:id"
scopeCrossClientPrefix = "audience:server:client_id:"
)
@ -255,6 +256,13 @@ type idTokenClaims struct {
Groups []string `json:"groups,omitempty"`
Name string `json:"name,omitempty"`
FederatedIDClaims *federatedIDClaims `json:"federated_claims,omitempty"`
}
type federatedIDClaims struct {
ConnectorID string `json:"connector_id,omitempty"`
UserID string `json:"user_id,omitempty"`
}
func (s *Server) newIDToken(clientID string, claims storage.Claims, scopes []string, nonce, accessToken, connID string) (idToken string, expiry time.Time, err error) {
@ -313,6 +321,11 @@ func (s *Server) newIDToken(clientID string, claims storage.Claims, scopes []str
tok.Groups = claims.Groups
case scope == scopeProfile:
tok.Name = claims.Username
case scope == scopeFederatedID:
tok.FederatedIDClaims = &federatedIDClaims{
ConnectorID: connID,
UserID: claims.UserID,
}
default:
peerID, ok := parseCrossClientScope(scope)
if !ok {
@ -405,7 +418,7 @@ func (s *Server) parseAuthorizationRequest(r *http.Request) (req storage.AuthReq
switch scope {
case scopeOpenID:
hasOpenIDScope = true
case scopeOfflineAccess, scopeEmail, scopeProfile, scopeGroups:
case scopeOfflineAccess, scopeEmail, scopeProfile, scopeGroups, scopeFederatedID:
default:
peerID, ok := parseCrossClientScope(scope)
if !ok {