distraction.party/lib/pleroma/web/instance_document.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.InstanceDocument do
alias Pleroma.Config
alias Pleroma.Web.Endpoint
@instance_documents %{
"terms-of-service" => "/static/terms-of-service.html",
"instance-panel" => "/instance/panel.html"
}
@spec get(String.t()) :: {:ok, String.t()} | {:error, atom()}
def get(document_name) do
case Map.fetch(@instance_documents, document_name) do
{:ok, path} -> {:ok, path}
_ -> {:error, :not_found}
end
end
@spec put(String.t(), String.t()) :: {:ok, String.t()} | {:error, atom()}
def put(document_name, origin_path) do
with {_, {:ok, destination_path}} <-
{:instance_document, Map.fetch(@instance_documents, document_name)},
:ok <- put_file(origin_path, destination_path) do
{:ok, Path.join(Endpoint.url(), destination_path)}
else
{:instance_document, :error} -> {:error, :not_found}
error -> error
end
end
@spec delete(String.t()) :: :ok | {:error, atom()}
def delete(document_name) do
with {_, {:ok, path}} <- {:instance_document, Map.fetch(@instance_documents, document_name)},
instance_static_dir_path <- instance_static_dir(path),
:ok <- File.rm(instance_static_dir_path) do
:ok
else
{:instance_document, :error} -> {:error, :not_found}
{:error, :enoent} -> {:error, :not_found}
error -> error
end
end
defp put_file(origin_path, destination_path) do
with destination <- instance_static_dir(destination_path),
{_, :ok} <- {:mkdir_p, File.mkdir_p(Path.dirname(destination))},
{_, {:ok, _}} <- {:copy, File.copy(origin_path, destination)} do
:ok
else
{error, _} -> {:error, error}
end
end
defp instance_static_dir(filename) do
[:instance, :static_dir]
|> Config.get!()
|> Path.join(filename)
end
end