연동 해지 api 앤드포인트 구현

backend/cmd/server/main.go

@@ -535,6 +535,7 @@ func main() {
 	user.Post("/me/send-code", authHandler.SendUpdateCode)
 	user.Post("/me/verify-code", authHandler.VerifyUpdateCode)
 	user.Get("/rp/linked", authHandler.ListLinkedRps)
+	user.Delete("/rp/linked/:id", authHandler.RevokeLinkedRp)
 
 	// Admin Routes
 	admin := api.Group("/admin")

backend/internal/handler/auth_handler.go

@@ -3306,6 +3306,35 @@ func (h *AuthHandler) ListLinkedRps(c *fiber.Ctx) error {
 	return c.JSON(linkedRpListResponse{Items: items})
 }
 
+func (h *AuthHandler) RevokeLinkedRp(c *fiber.Ctx) error {
+	clientID := c.Params("id")
+	if clientID == "" {
+		return fiber.NewError(fiber.StatusBadRequest, "client_id is required")
+	}
+
+	subject, err := h.resolveConsentSubject(c)
+	if err != nil || subject == "" {
+		return fiber.NewError(fiber.StatusUnauthorized, "Authentication required")
+	}
+
+	slog.Info("RevokeLinkedRp called", "subject", subject, "client_id", clientID)
+
+	if h.Hydra == nil {
+		return fiber.NewError(fiber.StatusServiceUnavailable, "hydra admin unavailable")
+	}
+
+	// Hydra에서 해당 사용자와 클라이언트의 모든 동의 세션을 삭제
+	if err := h.Hydra.RevokeConsentSessions(c.Context(), subject, clientID); err != nil {
+		slog.Error("failed to revoke hydra consent sessions", "error", err)
+		return fiber.NewError(fiber.StatusInternalServerError, "Failed to revoke link")
+	}
+
+	return c.Status(fiber.StatusOK).JSON(fiber.Map{
+		"status":  "success",
+		"message": "Link revoked successfully",
+	})
+}
+
 func (h *AuthHandler) GetConsentRequest(c *fiber.Ctx) error {
 	challenge := c.Query("consent_challenge")
 	if challenge == "" {