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diff --git a/lib/pleroma/web/mailer/subscription_controller.ex b/lib/pleroma/web/mailer/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.Mailer.SubscriptionController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.JWT
+  alias Pleroma.Repo
+  alias Pleroma.User
+
+  def unsubscribe(conn, %{"token" => encoded_token}) do
+    with {:ok, token} <- Base.decode64(encoded_token),
+         {:ok, claims} <- JWT.verify_and_validate(token),
+         %{"act" => %{"unsubscribe" => type}, "sub" => uid} <- claims,
+         %User{} = user <- Repo.get(User, uid),
+         {:ok, _user} <- User.switch_email_notifications(user, type, false) do
+      render(conn, "unsubscribe_success.html", email: user.email)
+    else
+      _err ->
+        render(conn, "unsubscribe_failure.html")
+    end
+  end
+end