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deprecation_warnings.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.DeprecationWarnings do
alias Pleroma.Config
require Logger
alias Pleroma.Config
@type config_namespace() :: [atom()]
@type config_map() :: {config_namespace(), config_namespace(), String.t()}
@mrf_config_map [
{[:instance, :rewrite_policy], [:mrf, :policies],
"\n* `config :pleroma, :instance, rewrite_policy` is now `config :pleroma, :mrf, policies`"},
{[:instance, :mrf_transparency], [:mrf, :transparency],
"\n* `config :pleroma, :instance, mrf_transparency` is now `config :pleroma, :mrf, transparency`"},
{[:instance, :mrf_transparency_exclusions], [:mrf, :transparency_exclusions],
"\n* `config :pleroma, :instance, mrf_transparency_exclusions` is now `config :pleroma, :mrf, transparency_exclusions`"}
]
def check_hellthread_threshold do
if Config.get([:mrf_hellthread, :threshold]) do
Logger.warn("""
!!!DEPRECATION WARNING!!!
You are using the old configuration mechanism for the hellthread filter. Please check config.md.
""")
end
end
def mrf_user_allowlist do
config = Config.get(:mrf_user_allowlist)
if config && Enum.any?(config, fn {k, _} -> is_atom(k) end) do
rewritten =
Enum.reduce(Config.get(:mrf_user_allowlist), Map.new(), fn {k, v}, acc ->
Map.put(acc, to_string(k), v)
end)
Config.put(:mrf_user_allowlist, rewritten)
Logger.error("""
!!!DEPRECATION WARNING!!!
As of Pleroma 2.0.7, the `mrf_user_allowlist` setting changed of format.
Pleroma 2.1 will remove support for the old format. Please change your configuration to match this:
config :pleroma, :mrf_user_allowlist, #{inspect(rewritten, pretty: true)}
""")
end
end
def warn do
check_hellthread_threshold()
mrf_user_allowlist()
check_old_mrf_config()
end
def check_old_mrf_config do
warning_preface = """
!!!DEPRECATION WARNING!!!
Your config is using old namespaces for MRF configuration. They should work for now, but you are advised to change to new namespaces to prevent possible issues later:
"""
move_namespace_and_warn(@mrf_config_map, warning_preface)
end
@spec move_namespace_and_warn([config_map()], String.t()) :: :ok
def move_namespace_and_warn(config_map, warning_preface) do
warning =
Enum.reduce(config_map, "", fn
{old, new, err_msg}, acc ->
old_config = Config.get(old)
if old_config do
Config.put(new, old_config)
acc <> err_msg
else
acc
end
end)
if warning != "" do
Logger.warn(warning_preface <> warning)
end
end
end

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