Finish implementation of requested claim access

active.de.toml

@@ -6,6 +6,10 @@ other = "Du hast ein gültiges Client-Zertifikat für die folgenden E-Mail-Adres
 hash = "sha1-c1ad2600848ad6293ae6df6a04b0b2318bb303f9"
 other = "Willst du dieses Zertifikat für die Anmeldung verwenden oder möchtest du lieber ein anderes Verfahren nutzen?"
 
+[ClaimsInformation]
+hash = "sha1-4a6721995b5d87c02be77695910af642ca30b18a"
+other = "Zusätzlich möchte die Anwendung Zugriff auf folgende Informationen:"
+
 [ErrorEmail]
 hash = "sha1-d2306dd8970ff616631a3501791297f31475e416"
 other = "Bitte gib eine gültige E-Mailadresse ein."
@@ -57,8 +61,8 @@ hash = "sha1-f58b8378238bd433deef3c3e6b0b70d0fd0dd59e"
 other = "Auf der <a href=\"{{ .clientLink }}\">Beschreibungsseite</a> findest du mehr Informationen zu <strong>{{ .client }}</strong>."
 
 [IntroConsentRequested]
-hash = "sha1-cb8efc74b5b726201321e0924747bf38d39629a1"
+hash = "sha1-3ac6a3583d40b5e8930c57531f0be9706f1e0194"
-other = "Die Anwendung <strong>{{ .client }}</strong> benötigt deine Einwilligungung für die angefragten Berechtigungen."
+other = "Die Anwendung <strong>{{ .client }}</strong> hat deine Zustimmung für die Erteilung der folgenden Berechtigungen angefragt:"
 
 [LabelAcceptCertLogin]
 description = "Label for a button to accept certificate login"
@@ -96,9 +100,9 @@ other = "Ausloggen"
 hash = "sha1-e50e5ea384cad8fac6f918d698be373b1362b351"
 other = "Zugriff auf deine primäre E-Mail-Adresse."
 
-[Scope-offline_access-Description]
+[Scope-offline-Description]
 hash = "sha1-732881bf998daa62cbad8615b2e6feb7a053b123"
-other = "Zugriff auf deine Informationen behalten, bis du diese Zustimmung widerrufst."
+other = "Zugriff auf deine Daten behalten, bis du diese Berechtigung widerrufst."
 
 [Scope-openid-Description]
 hash = "sha1-0ad714e7a22b97d8247b70254990256bffa2ef76"
@@ -115,3 +119,7 @@ other = "Anwendung erbittet deine Zustimmung"
 [WrongOrLockedUserOrInvalidPassword]
 hash = "sha1-87e0a0ac67c6c3a06bed184e10b22aae4d075b64"
 other = "Du hast einen ungültigen Nutzernamen oder ein ungültiges Passwort eingegeben oder dein Benutzerkonto wurde gesperrt."
+
+[claim-CAcert-groups-description]
+hash = "sha1-62e8788623838cfe2185e315d3a979cbb2eea3b5"
+other = "Deine CAcert-Team- oder Gruppenzugehörigkeiten."

active.en.toml

@@ -1,5 +1,6 @@
 CertLoginIntroText = "You have presented a valid client certificate for the following email addresses:"
 CertLoginRequestText = "Do you want to use this certificate for authentication or do you want to use a different method?"
+ClaimsInformation = "In addition the application wants access to the following information:"
 ErrorEmail = "Please enter a valid email address."
 ErrorEmailRequired = "Please enter an email address."
 ErrorPasswordRequired = "Please enter a password."
@@ -10,16 +11,17 @@ IndexGreeting = "Hello {{ .User }}"
 IndexIntroductionText = "This is an authorization protected resource"
 IndexTitle = "Welcome to the Demo application"
 IntroConsentMoreInformation = "You can find more information about <strong>{{ .client }}</strong> at <a href=\"{{ .clientLink }}\">its description page</a>."
-IntroConsentRequested = "The <strong>{{ .client }}</strong> application wants your consent for the requested set of permissions."
+IntroConsentRequested = "The <strong>{{ .client }}</strong> application requested your consent for the following set of permissions:"
 LabelConsent = "I hereby agree that the application may get the requested permissions."
 LabelSubmit = "Submit"
 LoginTitle = "Login"
 Scope-email-Description = "Access your primary email address."
-Scope-offline_access-Description = "Keep access to your information until you revoke the permission."
+Scope-offline-Description = "Keep access to your information until you revoke the permission."
 Scope-openid-Description = "Request information about your identity."
 Scope-profile-Description = "Access your user profile information including your name, birth date and locale."
 TitleRequestConsent = "Application requests your consent"
 WrongOrLockedUserOrInvalidPassword = "You entered an invalid username or password or your account has been locked."
+claim-CAcert-groups-description = "Your CAcert team or group assignments."
 
 [FormLabelEmail]
 description = "Label for an email form field"

common/models/oidc.go

@@ -147,12 +147,20 @@ func (i IndividualClaimRequest) AllowedValues() []string {
 // OpenIDConfiguration contains the parts of the OpenID discovery information
 // that are relevant for us.
 //
-// Specification
+// Specifications
 //
-// See https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
+// https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
+//
+// https://openid.net/specs/openid-connect-rpinitiated-1_0.html#OPMetadata
 type OpenIDConfiguration struct {
+	Issuer                string   `json:"issuer"`
 	AuthorizationEndpoint string   `json:"authorization_endpoint"`
 	TokenEndpoint         string   `json:"token_endpoint"`
+	UserInfoEndpoint      string   `json:"userinfo_endpoint"`
 	JwksUri               string   `json:"jwks_uri"`
+	RegistrationEndpoint  string   `json:"registration_endpoint"`
+	ScopesSupported       []string `json:"scopes_supported"`
 	EndSessionEndpoint    string   `json:"end_session_endpoint"`
+	ClaimTypesSupported   []string `json:"claim_types_supported"`
+	ClaimsSupported       []string `json:"claims_supported"`
 }

common/services/i18n.go

@@ -64,7 +64,16 @@ func (m *MessageCatalog) LookupMessage(id string, templateData map[string]interf
 			TemplateData:   templateData,
 		})
 		if err != nil {
+			switch err.(type) {
+			case *i18n.MessageNotFoundErr:
+				m.logger.Warnf("message %s not found: %v", id, err)
+				if translation != "" {
+					return translation
+				}
+				break
+			default:
 				m.logger.Error(err)
+			}
 			return id
 		}
 		return translation

idp/handlers/consent.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
-	"fmt"
 	"html/template"
 	"net/http"
 	"net/url"
@@ -22,7 +21,7 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	"git.cacert.org/oidc_login/common/handlers"
-	models2 "git.cacert.org/oidc_login/common/models"
+	commonModels "git.cacert.org/oidc_login/common/models"
 	commonServices "git.cacert.org/oidc_login/common/services"
 	"git.cacert.org/oidc_login/idp/services"
 )
@@ -37,6 +36,8 @@ type consentHandler struct {
 }
 
 type ConsentInformation struct {
+	GrantedScopes  []string `form:"scope"`
+	SelectedClaims []string `form:"claims"`
 	ConsentChecked bool     `form:"consent"`
 }
 
@@ -51,6 +52,55 @@ type UserInfo struct {
 	Modified      mysql.NullTime `db:"modified"`
 }
 
+var supportedScopes, supportedClaims map[string]*i18n.Message
+
+const (
+	ScopeOpenID        = "openid"
+	ScopeOffline       = "offline"
+	ScopeOfflineAccess = "offline_access"
+	ScopeProfile       = "profile"
+	ScopeEmail         = "email"
+
+	ClaimCAcertGroups = "https://cacert.localhost/groups"
+)
+
+func init() {
+	supportedScopes = make(map[string]*i18n.Message)
+	supportedScopes[ScopeOpenID] = &i18n.Message{
+		ID:    "Scope-openid-Description",
+		Other: "Request information about your identity.",
+	}
+	supportedScopes[ScopeOffline] = &i18n.Message{
+		ID:    "Scope-offline-Description",
+		Other: "Keep access to your information until you revoke the permission.",
+	}
+	supportedScopes[ScopeOfflineAccess] = supportedScopes[ScopeOffline]
+	supportedScopes[ScopeProfile] = &i18n.Message{
+		ID:    "Scope-profile-Description",
+		Other: "Access your user profile information including your name, birth date and locale.",
+	}
+	supportedScopes[ScopeEmail] = &i18n.Message{
+		ID:    "Scope-email-Description",
+		Other: "Access your primary email address.",
+	}
+
+	supportedClaims = make(map[string]*i18n.Message)
+	supportedClaims[openid.SubjectKey] = nil
+	supportedClaims[openid.EmailKey] = nil
+	supportedClaims[openid.EmailVerifiedKey] = nil
+	supportedClaims[openid.GivenNameKey] = nil
+	supportedClaims[openid.FamilyNameKey] = nil
+	supportedClaims[openid.MiddleNameKey] = nil
+	supportedClaims[openid.NameKey] = nil
+	supportedClaims[openid.BirthdateKey] = nil
+	supportedClaims[openid.ZoneinfoKey] = nil
+	supportedClaims[openid.LocaleKey] = nil
+	supportedClaims[ClaimCAcertGroups] = &i18n.Message{
+		ID:    "claim-CAcert-groups-description",
+		Other: "Your CAcert team or group assignments.",
+	}
+}
+
 func (i *UserInfo) GetFullName() string {
 	nameParts := make([]string, 0)
 	if len(i.GivenName) > 0 {
@@ -72,6 +122,78 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	localizer := i18n.NewLocalizer(h.bundle, accept)
 
 	// retrieve consent information
+	consentData, requestedClaims, err := h.getRequestedConsentInformation(challenge, r)
+	if err != nil {
+		// error is already handled in getRequestConsentInformation
+		return
+	}
+
+	switch r.Method {
+	case http.MethodGet:
+		h.renderConsentForm(w, r, consentData, requestedClaims, err, localizer)
+		break
+	case http.MethodPost:
+		var consentInfo ConsentInformation
+
+		// validate input
+		decoder := form.NewDecoder()
+		if err := decoder.Decode(&consentInfo, r.Form); err != nil {
+			h.logger.Error(err)
+			http.Error(
+				w,
+				http.StatusText(http.StatusInternalServerError),
+				http.StatusInternalServerError,
+			)
+			return
+		}
+
+		if consentInfo.ConsentChecked {
+			sessionData, err := h.getSessionData(consentInfo, requestedClaims, consentData.Payload, r.Context())
+			if err != nil {
+				h.logger.Errorf("could not get session data: %v", err)
+				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				return
+			}
+
+			consentRequest, err := h.adminClient.AcceptConsentRequest(
+				admin.NewAcceptConsentRequestParams().WithConsentChallenge(challenge).WithBody(
+					&models.AcceptConsentRequest{
+						GrantAccessTokenAudience: nil,
+						GrantScope:               consentInfo.GrantedScopes,
+						HandledAt:                models.NullTime(time.Now()),
+						Remember:                 true,
+						RememberFor:              86400,
+						Session:                  sessionData,
+					}).WithTimeout(time.Second * 10))
+			if err != nil {
+				h.logger.Error(err)
+				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				return
+			}
+			w.Header().Add("Location", *consentRequest.GetPayload().RedirectTo)
+			w.WriteHeader(http.StatusFound)
+			return
+
+		} else {
+			consentRequest, err := h.adminClient.RejectConsentRequest(
+				admin.NewRejectConsentRequestParams().WithConsentChallenge(challenge).WithBody(
+					&models.RejectRequest{}))
+			if err != nil {
+				h.logger.Error(err)
+				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				return
+			}
+			w.Header().Add("Location", *consentRequest.GetPayload().RedirectTo)
+			w.WriteHeader(http.StatusFound)
+		}
+	}
+}
+
+func (h *consentHandler) getRequestedConsentInformation(challenge string, r *http.Request) (
+	*admin.GetConsentRequestOK,
+	*commonModels.OIDCClaimsRequest,
+	error,
+) {
 	consentData, err := h.adminClient.GetConsentRequest(
 		admin.NewGetConsentRequestParams().WithConsentChallenge(challenge))
 	if err != nil {
@@ -94,137 +216,34 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 		handlers.GetErrorBucket(r).AddError(errorDetails)
-		return
+		return nil, nil, err
 	}
-
+	var requestedClaims commonModels.OIDCClaimsRequest
-	switch r.Method {
+	requestUrl, err := url.Parse(consentData.Payload.RequestURL)
-	case http.MethodGet:
-		h.renderConsentForm(w, r, consentData, err, localizer)
-		break
-	case http.MethodPost:
-		var consentInfo ConsentInformation
-
-		// validate input
-		decoder := form.NewDecoder()
-		if err := decoder.Decode(&consentInfo, r.Form); err != nil {
-			h.logger.Error(err)
-			http.Error(
-				w,
-				http.StatusText(http.StatusInternalServerError),
-				http.StatusInternalServerError,
-			)
-			return
-		}
-
-		if consentInfo.ConsentChecked {
-			idTokenData := make(map[string]interface{}, 0)
-
-			db := services.GetDb(h.context)
-
-			stmt, err := db.PreparexContext(
-				r.Context(),
-				`SELECT email, verified, fname, mname, lname, dob, language, modified
-FROM users
-WHERE uniqueid = ?
-  AND locked = 0`,
-			)
 	if err != nil {
-				h.logger.Errorf("error preparing user information SQL: %v", err)
+		h.logger.Warnf("could not parse original request URL %s: %v", consentData.Payload.RequestURL, err)
-				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-				return
-			}
-			defer func() { _ = stmt.Close() }()
-
-			userInfo := &UserInfo{}
-
-			err = stmt.QueryRowxContext(r.Context(), consentData.GetPayload().Subject).StructScan(userInfo)
-			switch {
-			case err == sql.ErrNoRows:
-				http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
-				return
-			case err != nil:
-				h.logger.Errorf("error performing user information SQL: %v", err)
-				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-				return
-			default:
-				for _, scope := range consentData.GetPayload().RequestedScope {
-					switch scope {
-					case "email":
-						// email
-						// OPTIONAL. This scope value requests access to the email and email_verified Claims.
-						idTokenData[openid.EmailKey] = userInfo.Email
-						idTokenData[openid.EmailVerifiedKey] = userInfo.EmailVerified
-						break
-					case "profile":
-						// profile
-						// OPTIONAL. This scope value requests access to the End-User's default profile Claims, which
-						// are: name, family_name, given_name, middle_name, nickname, preferred_username, profile,
-						// picture, website, gender, birthdate, zoneinfo, locale, and updated_at.
-						idTokenData[openid.GivenNameKey] = userInfo.GivenName
-						idTokenData[openid.FamilyNameKey] = userInfo.FamilyName
-						idTokenData[openid.MiddleNameKey] = userInfo.MiddleName
-						idTokenData[openid.NameKey] = userInfo.GetFullName()
-						if userInfo.BirthDate.Valid {
-							idTokenData[openid.BirthdateKey] = userInfo.BirthDate.Time.Format("2006-01-02")
-						}
-						idTokenData[openid.LocaleKey] = userInfo.Language
-						idTokenData["https://cacert.localhost/groups"] = []string{"admin", "user"}
-						if userInfo.Modified.Valid {
-							idTokenData[openid.UpdatedAtKey] = userInfo.Modified.Time.Unix()
-						}
-						break
-					case "address":
-						// address
-						// OPTIONAL. This scope value requests access to the address Claim.
-						break
-					case "phone":
-						// phone
-						// OPTIONAL. This scope value requests access to the phone_number and phone_number_verified Claims.
-						break
-					}
-				}
-				sessionData := &models.ConsentRequestSession{
-					AccessToken: nil,
-					IDToken:     idTokenData,
-				}
-				consentRequest, err := h.adminClient.AcceptConsentRequest(
-					admin.NewAcceptConsentRequestParams().WithConsentChallenge(challenge).WithBody(
-						&models.AcceptConsentRequest{
-							GrantAccessTokenAudience: nil,
-							GrantScope:               consentData.GetPayload().RequestedScope,
-							HandledAt:                models.NullTime(time.Now()),
-							Remember:                 true,
-							RememberFor:              86400,
-							Session:                  sessionData,
-						}).WithTimeout(time.Second * 10))
-				if err != nil {
-					h.logger.Error(err)
-					http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-					return
-				}
-				w.Header().Add("Location", *consentRequest.GetPayload().RedirectTo)
-				w.WriteHeader(http.StatusFound)
-				return
-			}
 	} else {
-			consentRequest, err := h.adminClient.RejectConsentRequest(
+		claimsParameter := requestUrl.Query().Get("claims")
-				admin.NewRejectConsentRequestParams().WithConsentChallenge(challenge).WithBody(
+		if claimsParameter != "" {
-					&models.RejectRequest{}))
+			decoder := json.NewDecoder(strings.NewReader(claimsParameter))
+			err := decoder.Decode(&requestedClaims)
 			if err != nil {
-				h.logger.Error(err)
+				h.logger.Warnf(
-				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+					"ignoring claims request parameter %s that could not be decoded: %v",
-				return
+					claimsParameter,
-			}
+					err,
-			w.Header().Add("Location", *consentRequest.GetPayload().RedirectTo)
+				)
-			w.WriteHeader(http.StatusFound)
 			}
 		}
 	}
+	return consentData, &requestedClaims, nil
+}
 
 func (h *consentHandler) renderConsentForm(
 	w http.ResponseWriter,
 	r *http.Request,
 	consentData *admin.GetConsentRequestOK,
+	claims *commonModels.OIDCClaimsRequest,
 	err error,
 	localizer *i18n.Localizer,
 ) {
@@ -235,21 +254,6 @@ func (h *consentHandler) renderConsentForm(
 		return h.messageCatalog.LookupMessage(id, nil, localizer)
 	}
 
-	var requestedClaims models2.OIDCClaimsRequest
-	requestUrl, err := url.Parse(consentData.Payload.RequestURL)
-	if err != nil {
-		h.logger.Warnf("could not parse original request URL %s: %v", consentData.Payload.RequestURL, err)
-	} else {
-		claimsParameter := requestUrl.Query().Get("claims")
-		if claimsParameter != "" {
-			decoder := json.NewDecoder(strings.NewReader(claimsParameter))
-			err := decoder.Decode(&requestedClaims)
-			if err != nil {
-				h.logger.Warnf("ignoring claims request parameter %s that could not be decoded: %v", claimsParameter, err)
-			}
-		}
-	}
-
 	// render consent form
 	client := consentData.GetPayload().Client
 	err = h.consentTemplate.Lookup("base").Execute(w, map[string]interface{}{
@@ -258,12 +262,14 @@ func (h *consentHandler) renderConsentForm(
 		"errors":          map[string]string{},
 		"client":          client,
 		"requestedScope":  h.mapRequestedScope(consentData.GetPayload().RequestedScope, localizer),
+		"requestedClaims": h.mapRequestedClaims(claims, localizer),
 		"LabelSubmit":     trans("LabelSubmit"),
 		"LabelConsent":    trans("LabelConsent"),
 		"IntroMoreInformation": template.HTML(trans("IntroConsentMoreInformation", map[string]interface{}{
 			"client":     client.ClientName,
 			"clientLink": client.ClientURI,
 		})),
+		"ClaimsInformation": template.HTML(trans("ClaimsInformation", nil)),
 		"IntroConsentRequested": template.HTML(trans("IntroConsentRequested", map[string]interface{}{
 			"client": client.ClientName,
 		})),
@@ -278,12 +284,181 @@ type scopeWithLabel struct {
 func (h *consentHandler) mapRequestedScope(scope models.StringSlicePipeDelimiter, localizer *i18n.Localizer) []*scopeWithLabel {
 	result := make([]*scopeWithLabel, 0)
 	for _, scopeName := range scope {
-		result = append(result, &scopeWithLabel{Name: scopeName, Label: h.messageCatalog.LookupMessage(
+		if _, ok := supportedScopes[scopeName]; !ok {
-			fmt.Sprintf("Scope-%s-Description", scopeName), nil, localizer)})
+			h.logger.Warnf("unsupported scope %s ignored", scopeName)
+			continue
+		}
+		label, err := localizer.Localize(&i18n.LocalizeConfig{
+			DefaultMessage: supportedScopes[scopeName],
+		})
+		if err != nil {
+			h.logger.Warnf("could not localize label for scope %s: %v", scopeName, err)
+			label = scopeName
+		}
+		result = append(result, &scopeWithLabel{Name: scopeName, Label: label})
 	}
 	return result
 }
 
+type claimWithLabel struct {
+	Name      string
+	Label     string
+	Essential bool
+}
+
+func (h *consentHandler) mapRequestedClaims(claims *commonModels.OIDCClaimsRequest, localizer *i18n.Localizer) []*claimWithLabel {
+	result := make([]*claimWithLabel, 0)
+	known := make(map[string]bool)
+
+	for _, claimElement := range []*commonModels.ClaimElement{claims.GetUserInfo(), claims.GetIDToken()} {
+		if claimElement != nil {
+			for k, v := range *claimElement {
+				if _, ok := supportedClaims[k]; !ok {
+					h.logger.Warnf("unsupported claim %s ignored", k)
+					continue
+				}
+				label, err := localizer.Localize(&i18n.LocalizeConfig{
+					DefaultMessage: supportedClaims[k],
+				})
+				if err != nil {
+					h.logger.Warnf("could not localize label for claim %s: %v", k, err)
+					label = k
+				}
+				if !known[k] {
+					result = append(result, &claimWithLabel{
+						Name:      k,
+						Label:     label,
+						Essential: v.IsEssential(),
+					})
+					known[k] = true
+				}
+			}
+		}
+	}
+	return result
+}
+
+func (h *consentHandler) getSessionData(
+	info ConsentInformation,
+	claims *commonModels.OIDCClaimsRequest,
+	payload *models.ConsentRequest,
+	ctx context.Context,
+) (*models.ConsentRequestSession, error) {
+	idTokenData := make(map[string]interface{}, 0)
+	accessTokenData := make(map[string]interface{}, 0)
+
+	db := services.GetDb(h.context)
+	stmt, err := db.PreparexContext(
+		ctx,
+		`SELECT email, verified, fname, mname, lname, dob, language, modified
+FROM users
+WHERE uniqueid = ?
+  AND locked = 0`,
+	)
+	if err != nil {
+		h.logger.Errorf("error preparing user information SQL: %v", err)
+		return nil, err
+	}
+	defer func() { _ = stmt.Close() }()
+
+	userInfo := &UserInfo{}
+
+	err = stmt.QueryRowxContext(ctx, payload.Subject).StructScan(userInfo)
+	switch {
+	case err == sql.ErrNoRows:
+		h.logger.Errorf("could not find entry for subject %s", payload.Subject)
+		return nil, err
+	case err != nil:
+		h.logger.Errorf("error performing user information SQL: %v", err)
+		return nil, err
+	default:
+		h.fillTokenData(accessTokenData, payload.RequestedScope, claims, info, userInfo)
+		h.fillTokenData(idTokenData, payload.RequestedScope, claims, info, userInfo)
+		return &models.ConsentRequestSession{
+			AccessToken: accessTokenData,
+			IDToken:     idTokenData,
+		}, nil
+	}
+}
+
+func (h *consentHandler) fillTokenData(m map[string]interface{}, requestedScope models.StringSlicePipeDelimiter, claimsRequest *commonModels.OIDCClaimsRequest, consentInformation ConsentInformation, userInfo *UserInfo) {
+	for _, scope := range requestedScope {
+		granted := false
+		for _, k := range consentInformation.GrantedScopes {
+			if k == scope {
+				granted = true
+				break
+			}
+		}
+		if !granted {
+			continue
+		}
+		switch scope {
+		case ScopeEmail:
+			// email
+			// OPTIONAL. This scope value requests access to the email and
+			// email_verified Claims.
+			m[openid.EmailKey] = userInfo.Email
+			m[openid.EmailVerifiedKey] = userInfo.EmailVerified
+			break
+		case ScopeProfile:
+			// profile
+			// OPTIONAL. This scope value requests access to the
+			// End-User's default profile Claims, which are: name,
+			// family_name, given_name, middle_name, nickname,
+			// preferred_username, profile, picture, website, gender,
+			// birthdate, zoneinfo, locale, and updated_at.
+			m[openid.GivenNameKey] = userInfo.GivenName
+			m[openid.FamilyNameKey] = userInfo.FamilyName
+			m[openid.MiddleNameKey] = userInfo.MiddleName
+			m[openid.NameKey] = userInfo.GetFullName()
+			if userInfo.BirthDate.Valid {
+				m[openid.BirthdateKey] = userInfo.BirthDate.Time.Format("2006-01-02")
+			}
+			m[openid.LocaleKey] = userInfo.Language
+			if userInfo.Modified.Valid {
+				m[openid.UpdatedAtKey] = userInfo.Modified.Time.Unix()
+			}
+			break
+		}
+	}
+	if userInfoClaims := claimsRequest.GetUserInfo(); userInfoClaims != nil {
+		for claimName, claim := range *userInfoClaims {
+			granted := false
+			for _, k := range consentInformation.SelectedClaims {
+				if k == claimName {
+					granted = true
+					break
+				}
+			}
+			if !granted {
+				continue
+			}
+			if claim.WantedValue() != nil {
+				m[claimName] = *claim.WantedValue()
+				continue
+			}
+			switch claimName {
+			case ClaimCAcertGroups:
+				m[claimName] = []string{"admin", "user"}
+				break
+			default:
+				if claim.IsEssential() {
+					h.logger.Warnf(
+						"handling for essential claim name %s not implemented",
+						claimName,
+					)
+				} else {
+					h.logger.Warnf(
+						"handling for claim name %s not implemented",
+						claimName,
+					)
+				}
+			}
+		}
+	}
+}
+
 func NewConsentHandler(ctx context.Context, logger *log.Logger) (*consentHandler, error) {
 	consentTemplate, err := template.ParseFiles(
 		"templates/idp/base.gohtml", "templates/idp/consent.gohtml")

idp/services/i18n.go

@@ -44,27 +44,15 @@ func AddMessages(ctx context.Context) {
 	}
 	messages["IntroConsentRequested"] = &i18n.Message{
 		ID:    "IntroConsentRequested",
-		Other: "The <strong>{{ .client }}</strong> application wants your consent for the requested set of permissions.",
+		Other: "The <strong>{{ .client }}</strong> application requested your consent for the following set of permissions:",
 	}
 	messages["IntroConsentMoreInformation"] = &i18n.Message{
 		ID:    "IntroConsentMoreInformation",
 		Other: "You can find more information about <strong>{{ .client }}</strong> at <a href=\"{{ .clientLink }}\">its description page</a>.",
 	}
-	messages["Scope-openid-Description"] = &i18n.Message{
+	messages["ClaimsInformation"] = &i18n.Message{
-		ID:    "Scope-openid-Description",
+		ID:    "ClaimsInformation",
-		Other: "Request information about your identity.",
+		Other: "In addition the application wants access to the following information:",
-	}
-	messages["Scope-offline_access-Description"] = &i18n.Message{
-		ID:    "Scope-offline_access-Description",
-		Other: "Keep access to your information until you revoke the permission.",
-	}
-	messages["Scope-profile-Description"] = &i18n.Message{
-		ID:    "Scope-profile-Description",
-		Other: "Access your user profile information including your name, birth date and locale.",
-	}
-	messages["Scope-email-Description"] = &i18n.Message{
-		ID:    "Scope-email-Description",
-		Other: "Access your primary email address.",
 	}
 	messages["WrongOrLockedUserOrInvalidPassword"] = &i18n.Message{
 		ID:    "WrongOrLockedUserOrInvalidPassword",

templates/idp/consent.gohtml

@@ -2,17 +2,30 @@
     <form class="form-consent" method="post">
         <img src="/images/CAcert-logo.svg" width="300" height="68" alt="CAcert" class="mb-4">
         <h1 class="h3 mb-3">{{ .Title }}</h1>
-        <p class="text-left">{{ .IntroConsentRequested }}</p>
         {{ if .client.LogoURI }}
             <p>
                 <img src="{{ .client.LogoURI }}" alt="{{ .client.ClientName }}"/>
             </p>
         {{ end }}
+        <p class="text-left">{{ .IntroConsentRequested }}</p>
         <ul class="list-group text-left small mb-3">
-            {{ range .requestedScope }}
+            {{ range $i, $scope := .requestedScope }}
-                <li class="list-group-item">{{ .Label }}</li>
+                <li class="list-group-item">
+                    <input type="hidden" name="scope[{{ $i }}]" value="{{ $scope.Name }}">
+                    {{ $scope.Label }}</li>
             {{ end }}
         </ul>
+        {{ if .requestedClaims }}
+            <p class="text-left">{{ .ClaimsInformation }}</p>
+            <ul class="list-group text-left small mb-3">
+                {{ range $i, $claim := .requestedClaims }}
+                    <li class="list-group-item">
+                        <input type="hidden" name="claims[{{ $i }}]" value="{{ $claim.Name }}">
+                        {{ $claim.Label }}{{ if $claim.Essential }} *{{ end}}
+                    </li>
+                {{ end}}
+            </ul>
+        {{ end }}
         <p class="text-left">{{ .IntroMoreInformation }}</p>
 
         {{ .csrfField }}

translate.de.toml

@@ -1,3 +1,7 @@
-[ErrorTitle]
+[ClaimsInformation]
-hash = "sha1-736aec25a98f5ec5b71400bb0163f891f509b566"
+hash = "sha1-4a6721995b5d87c02be77695910af642ca30b18a"
-other = "Es ist ein Fehler aufgetreten"
+other = "Zusätzlich möchte die Anwendung Zugriff auf folgende Informationen:"
+
+[IntroConsentRequested]
+hash = "sha1-3ac6a3583d40b5e8930c57531f0be9706f1e0194"
+other = "Die Anwendung <strong>{{ .client }}</strong> hat deine Zustimmung für die Erteilung der folgenden Berechtigungen angefragt:"