Deny proxy non-admin despite token

internal/api/proxy_token_admin_conflict_test.go

@@ -0,0 +1,36 @@
+package api
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/rcourtman/pulse-go-rewrite/internal/config"
+)
+
+func TestProxyAuthNonAdminCannotEscalateWithToken(t *testing.T) {
+	record := newTokenRecord(t, "proxy-token-conflict-123.12345678", []string{config.ScopeSettingsRead, config.ScopeSettingsWrite}, nil)
+	cfg := newTestConfigWithTokens(t, record)
+	cfg.ProxyAuthSecret = "proxy-secret"
+	cfg.ProxyAuthUserHeader = "X-Remote-User"
+	cfg.ProxyAuthRoleHeader = "X-Remote-Roles"
+	cfg.ProxyAuthAdminRole = "admin"
+
+	router := NewRouter(cfg, nil, nil, nil, nil, "1.0.0")
+
+	req := httptest.NewRequest(http.MethodGet, "/api/system/settings", nil)
+	req.Header.Set("X-Proxy-Secret", cfg.ProxyAuthSecret)
+	req.Header.Set("X-Remote-User", "viewer-user")
+	req.Header.Set("X-Remote-Roles", "viewer")
+	req.Header.Set("X-API-Token", "proxy-token-conflict-123.12345678")
+	rec := httptest.NewRecorder()
+	router.Handler().ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusForbidden {
+		t.Fatalf("expected 403 for non-admin proxy user, got %d", rec.Code)
+	}
+	if !strings.Contains(rec.Body.String(), "Admin") {
+		t.Fatalf("expected admin privilege error, got %q", rec.Body.String())
+	}
+}