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diff --git a/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex b/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
+  @moduledoc "The module represents functions to manage user subscriptions."
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Web.Push
+  alias Pleroma.Web.Push.Subscription
+
+  action_fallback(:errors)
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+  plug(:restrict_push_enabled)
+  plug(Pleroma.Web.Plugs.OAuthScopesPlug, %{scopes: ["push"]})
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.SubscriptionOperation
+
+  # Creates PushSubscription
+  # POST /api/v1/push/subscription
+  #
+  def create(%{assigns: %{user: user, token: token}, body_params: params} = conn, _) do
+    with {:ok, _} <- Subscription.delete_if_exists(user, token),
+         {:ok, subscription} <- Subscription.create(user, token, params) do
+      render(conn, "show.json", subscription: subscription)
+    end
+  end
+
+  # Gets PushSubscription
+  # GET /api/v1/push/subscription
+  #
+  def show(%{assigns: %{user: user, token: token}} = conn, _params) do
+    with {:ok, subscription} <- Subscription.get(user, token) do
+      render(conn, "show.json", subscription: subscription)
+    end
+  end
+
+  # Updates PushSubscription
+  # PUT /api/v1/push/subscription
+  #
+  def update(%{assigns: %{user: user, token: token}, body_params: params} = conn, _) do
+    with {:ok, subscription} <- Subscription.update(user, token, params) do
+      render(conn, "show.json", subscription: subscription)
+    end
+  end
+
+  # Deletes PushSubscription
+  # DELETE /api/v1/push/subscription
+  #
+  def delete(%{assigns: %{user: user, token: token}} = conn, _params) do
+    with {:ok, _response} <- Subscription.delete(user, token),
+         do: json(conn, %{})
+  end
+
+  defp restrict_push_enabled(conn, _) do
+    if Push.enabled() do
+      conn
+    else
+      conn
+      |> render_error(:forbidden, "Web push subscription is disabled on this Pleroma instance")
+      |> halt()
+    end
+  end
+
+  # fallback action
+  #
+  def errors(conn, {:error, :not_found}) do
+    conn
+    |> put_status(:not_found)
+    |> json(%{error: dgettext("errors", "Record not found")})
+  end
+
+  def errors(conn, _) do
+    Pleroma.Web.MastodonAPI.FallbackController.call(conn, nil)
+  end
+end