feat: add configurable acr/amr claims

conf/hydra-werther.conf

@@ -125,7 +125,19 @@ WERTHER_LDAP_ROLE_BASEDN=ou=groups,dc=myorg,dc=com
   # [required]
 
 # WERTHER_INSECURE_SKIP_VERIFY=
-#   [description] Disable TLS verification on Hydra connection
-#   [type]        True or False
-#   [default]     false
-#   [required]
+  #   [description] Disable TLS verification on Hydra connection
+  #   [type]        True or False
+  #   [default]     false
+  #   [required]
+
+# WERTHER_IDENTP_AMR=
+  # [description] Authentication Method Reference Values
+  # [type]        Comma-separated list of String
+  # [default]     
+  # [required]   false
+
+# WERTHER_IDENTP_ACR=
+  # [description] Authentication Context Class Reference
+  # [type]        String
+  # [default]     
+  # [required]   false

internal/hydra/login.go

@@ -16,11 +16,13 @@ type LoginReqDoer struct {
 	hydraURL           string
 	fakeTLSTermination bool
 	rememberFor        int
+	acr                string
+	amr                []string
 }
 
 // NewLoginReqDoer creates a LoginRequest.
-func NewLoginReqDoer(hydraURL string, fakeTLSTermination bool, rememberFor int) *LoginReqDoer {
-	return &LoginReqDoer{hydraURL: hydraURL, fakeTLSTermination: fakeTLSTermination, rememberFor: rememberFor}
+func NewLoginReqDoer(hydraURL string, fakeTLSTermination bool, rememberFor int, acr string, amr []string) *LoginReqDoer {
+	return &LoginReqDoer{hydraURL: hydraURL, fakeTLSTermination: fakeTLSTermination, rememberFor: rememberFor, acr: acr, amr: amr}
 }
 
 // InitiateRequest fetches information on the OAuth2 request.
@@ -32,13 +34,17 @@ func (lrd *LoginReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
 // AcceptLoginRequest accepts the requested authentication process, and returns redirect URI.
 func (lrd *LoginReqDoer) AcceptLoginRequest(challenge string, remember bool, subject string) (string, error) {
 	data := struct {
-		Remember    bool   `json:"remember"`
-		RememberFor int    `json:"remember_for"`
-		Subject     string `json:"subject"`
+		Remember    bool     `json:"remember"`
+		RememberFor int      `json:"remember_for"`
+		Subject     string   `json:"subject"`
+		ACR         string   `json:"acr,omitempty"`
+		AMR         []string `json:"amr,omitempty"`
 	}{
 		Remember:    remember,
 		RememberFor: lrd.rememberFor,
 		Subject:     subject,
+		ACR:         lrd.acr,
+		AMR:         lrd.amr,
 	}
 	redirectURI, err := acceptRequest(login, lrd.hydraURL, lrd.fakeTLSTermination, challenge, data)
 	return redirectURI, errors.Wrap(err, "failed to accept login request")

internal/hydra/login_test.go

@@ -60,7 +60,7 @@ func TestInitiateLoginRequest(t *testing.T) {
 			h := &testInitiateLoginHandler{reqInfo: tc.reqInfo, status: tc.status}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLoginReqDoer(srv.URL, false, 0)
+			ldr := hydra.NewLoginReqDoer(srv.URL, false, 0, "", nil)
 
 			reqInfo, err := ldr.InitiateRequest(tc.challenge)
 
@@ -160,7 +160,7 @@ func TestAcceptLoginRequest(t *testing.T) {
 			h := &testAcceptLoginHandler{challenge: tc.challenge, status: tc.status, redirect: tc.redirect}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLoginReqDoer(srv.URL, false, tc.rememberFor)
+			ldr := hydra.NewLoginReqDoer(srv.URL, false, tc.rememberFor, "", nil)
 
 			redirect, err := ldr.AcceptLoginRequest(tc.challenge, tc.remember, tc.subject)
 

internal/identp/identp.go

@@ -32,6 +32,8 @@ type Config struct {
 	SessionTTL         time.Duration     `envconfig:"session_ttl" default:"24h" desc:"a user session's TTL"`
 	ClaimScopes        map[string]string `envconfig:"claim_scopes" default:"name:profile,family_name:profile,given_name:profile,email:email,https%3A%2F%2Fgithub.com%2Fi-core%2Fwerther%2Fclaims%2Froles:roles" desc:"a mapping of OpenID Connect claims to scopes (all claims are URL encoded)"`
 	FakeTLSTermination bool              `envconfig:"fake_tls_termination" default:"false" desc:"Fake tls termination by adding \"X-Forwarded-Proto: https\" to http headers "`
+	ACR                string            `envconfig:"acr" desc:"Authorization Context Class Reference"`
+	AMR                []string          `envconfig:"amr" desc:"Authentication Method References"`
 }
 
 // UserManager is an interface that is used for authentication and providing user's claims.
@@ -85,8 +87,8 @@ func NewHandler(cnf Config, um UserManager, tr TemplateRenderer) *Handler {
 // AddRoutes registers all required routes for Login & Consent Provider.
 func (h *Handler) AddRoutes(apply func(m, p string, h http.Handler, mws ...func(http.Handler) http.Handler)) {
 	sessionTTL := int(h.SessionTTL.Seconds())
-	apply(http.MethodGet, "/login", newLoginStartHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, 0), h.tr))
-	apply(http.MethodPost, "/login", newLoginEndHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, sessionTTL), h.um, h.tr))
+	apply(http.MethodGet, "/login", newLoginStartHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, 0, h.ACR, h.AMR), h.tr))
+	apply(http.MethodPost, "/login", newLoginEndHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, sessionTTL, h.ACR, h.AMR), h.um, h.tr))
 	apply(http.MethodGet, "/consent", newConsentHandler(hydra.NewConsentReqDoer(h.HydraURL, h.FakeTLSTermination, sessionTTL), h.um, h.ClaimScopes))
 	apply(http.MethodGet, "/logout", newLogoutHandler(hydra.NewLogoutReqDoer(h.HydraURL, h.FakeTLSTermination)))
 }