client.go

@@ -6,6 +6,7 @@ import (
 	"net/url"
 	"strings"
 
+	"forge.cadoles.com/wpetit/goweb-oidc/internal/config"
 	"github.com/coreos/go-oidc"
 	"github.com/dchest/uniuri"
 	"github.com/pkg/errors"
@@ -30,6 +31,7 @@ func (c *Client) Provider() *oidc.Provider {
 
 func (c *Client) Login(w http.ResponseWriter, r *http.Request) {
 	ctn := container.Must(r.Context())
+	conf := config.Must(ctn)
 
 	sess, err := session.Must(ctn).Get(w, r)
 	if err != nil {
@@ -48,6 +50,10 @@ func (c *Client) Login(w http.ResponseWriter, r *http.Request) {
 
 	authCodeOptions := []oauth2.AuthCodeOption{}
 	authCodeOptions = append(authCodeOptions, oidc.Nonce(nonce))
+	if conf.OIDC.AcrValues != "" {
+		authCodeOptions = append(authCodeOptions, oauth2.SetAuthURLParam("acr_values", conf.OIDC.AcrValues))
+	}
+
 	authCodeURL := c.oauth2.AuthCodeURL(
 		state,
 		authCodeOptions...,

docker-compose.yml

@@ -14,9 +14,10 @@ services:
       - HTTP_ADDRESS=0.0.0.0:3002
       - OIDC_CLIENT_ID=local-test
       - OIDC_CLIENT_SECRET=local-test
-      - OIDC_ISSUER_URL=
+      - OIDC_ISSUER_URL=https://msedev.crous-toulouse.fr/auth/
       - OIDC_REDIRECT_URL=http://localhost:3002
       - OIDC_POST_LOGOUT_REDIRECT_URL=http://localhost:3002
+      - OIDC_ACR_VALUES=
     ports:
       - 3002:3002
     network_mode: host

internal/config/config.go

@@ -54,6 +54,7 @@ type OIDCConfig struct {
 	RedirectURL           string `yaml:"redirectUrl"  env:"OIDC_REDIRECT_URL"`
 	PostLogoutRedirectURL string `yaml:"postLogoutRedirectURL"  env:"OIDC_POST_LOGOUT_REDIRECT_URL"`
 	InsecureSkipVerify    bool   `ymal:"insecureSkipVerify" env:"OIDC_INSECURE_SKIP_VERIFY"`
+	AcrValues             string `ymal:"acrValues" env:"OIDC_ACR_VALUES"`
 }
 
 type LogConfig struct {
@@ -88,6 +89,7 @@ func NewDefault() *Config {
 			RedirectURL:           "http://localhost:3002/oauth2/callback",
 			PostLogoutRedirectURL: "http://localhost:3002",
 			InsecureSkipVerify:    false,
+			AcrValues:             "",
 		},
 	}
 }