Authentification OIDC : tests, docker-compose et .env.example
- Tests avec un fournisseur OIDC simulé (RS256, ES256, HS256) : flux complet, groupes, state forgé, claims invalides, alg none, cookie altéré. - Tests des modes AUTH_MODE dans cmd/server. - docker-compose.yml et .env.example : AUTH_MODE, OIDC_*, SESSION_*. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018GBsBpHJW7GxFDBV7z1zmo
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@@ -1,6 +1,20 @@
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EXCALIDRAW_PORT=8080
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# local (Basic si AUTH_USER/AUTH_PASSWORD) ou oidc
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AUTH_MODE=local
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AUTH_USER=
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AUTH_PASSWORD=
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# AUTH_MODE=oidc. Émetteur, ex. Authentik : https://auth.example.org/application/o/excalicloud/
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# Keycloak : https://sso.example.org/realms/<realm>
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OIDC_ISSUER=
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OIDC_CLIENT_ID=
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OIDC_CLIENT_SECRET=
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OIDC_REDIRECT_URL=
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OIDC_SCOPES=openid profile email
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OIDC_ALLOWED_GROUPS=
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OIDC_GROUPS_CLAIM=groups
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OIDC_LOGOUT=true
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SESSION_TTL=24h
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SESSION_SECRET=
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MAX_BODY_MB=50
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UPDATE_CHECK=true
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UPDATE_CHECK_INTERVAL=12h
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@@ -1,8 +1,10 @@
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package main
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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)
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@@ -36,3 +38,46 @@ func TestBasicAuthPublicPaths(t *testing.T) {
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t.Errorf("authentifié : %d", rec.Code)
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}
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}
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func TestAuthenticateModes(t *testing.T) {
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me := func(t *testing.T, h http.Handler, user string) string {
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rec := httptest.NewRecorder()
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req := httptest.NewRequest("GET", "/api/me", nil)
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if user != "" {
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req.SetBasicAuth(user, "p")
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}
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h.ServeHTTP(rec, req)
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return strings.TrimSpace(rec.Body.String())
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}
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t.Run("local sans identifiants", func(t *testing.T) {
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t.Setenv("AUTH_MODE", "")
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t.Setenv("AUTH_USER", "")
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h, err := authenticate(context.Background(), http.NewServeMux(), t.TempDir())
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if err != nil || me(t, h, "") != `{"mode":"none"}` {
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t.Fatalf("%v %s", err, me(t, h, ""))
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}
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})
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t.Run("local Basic", func(t *testing.T) {
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t.Setenv("AUTH_MODE", "local")
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t.Setenv("AUTH_USER", "u")
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t.Setenv("AUTH_PASSWORD", "p")
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h, err := authenticate(context.Background(), http.NewServeMux(), t.TempDir())
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if err != nil || !strings.Contains(me(t, h, "u"), `"mode":"local"`) {
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t.Fatalf("%v %s", err, me(t, h, "u"))
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}
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})
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t.Run("oidc sans émetteur", func(t *testing.T) {
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t.Setenv("AUTH_MODE", "oidc")
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t.Setenv("OIDC_ISSUER", "")
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if _, err := authenticate(context.Background(), http.NewServeMux(), t.TempDir()); err == nil {
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t.Fatal("configuration incomplète acceptée")
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}
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})
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t.Run("mode inconnu", func(t *testing.T) {
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t.Setenv("AUTH_MODE", "ldap")
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if _, err := authenticate(context.Background(), http.NewServeMux(), t.TempDir()); err == nil {
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t.Fatal("AUTH_MODE inconnu accepté")
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}
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})
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}
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+21
-2
@@ -11,10 +11,29 @@ services:
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# ports:
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# - "${EXCALIDRAW_PORT:-8080}:8080"
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environment:
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# Authentification Basic optionnelle (laisser vide pour la désactiver,
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# par exemple derrière un reverse proxy qui gère déjà l'authentification).
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# Authentification : local (Basic avec AUTH_USER/AUTH_PASSWORD, aucune si
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# vides, ex. derrière un reverse proxy avec SSO) ou oidc (OIDC_* ci-dessous).
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AUTH_MODE: ${AUTH_MODE:-local}
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AUTH_USER: ${AUTH_USER:-}
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AUTH_PASSWORD: ${AUTH_PASSWORD:-}
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# Mode oidc : fournisseur OpenID Connect (Authentik, Keycloak...). Client
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# confidentiel (secret) ou public (PKCE seul) ; URI de redirection à
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# déclarer chez le fournisseur : https://<hôte>/auth/callback.
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OIDC_ISSUER: ${OIDC_ISSUER:-}
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OIDC_CLIENT_ID: ${OIDC_CLIENT_ID:-}
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OIDC_CLIENT_SECRET: ${OIDC_CLIENT_SECRET:-}
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# Vide : déduite de la requête (en-têtes X-Forwarded-* du reverse proxy).
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OIDC_REDIRECT_URL: ${OIDC_REDIRECT_URL:-}
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OIDC_SCOPES: ${OIDC_SCOPES:-openid profile email}
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# Groupes autorisés, séparés par des virgules (vide : tout compte authentifié).
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OIDC_ALLOWED_GROUPS: ${OIDC_ALLOWED_GROUPS:-}
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OIDC_GROUPS_CLAIM: ${OIDC_GROUPS_CLAIM:-groups}
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# Déconnexion propagée au fournisseur (end_session_endpoint).
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OIDC_LOGOUT: ${OIDC_LOGOUT:-true}
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# Session : durée d'inactivité max, clé de signature des cookies (16 car.
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# min. ; vide : clé aléatoire générée dans DATA_DIR/.session-secret).
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SESSION_TTL: ${SESSION_TTL:-24h}
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SESSION_SECRET: ${SESSION_SECRET:-}
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# Taille max d'un schéma (images embarquées en base64 comprises).
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MAX_BODY_MB: ${MAX_BODY_MB:-50}
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# Icône « mise à jour d'Excalidraw disponible » (interroge registry.npmjs.org).
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