# Pleroma: A lightweight social networking server # Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Application do use Application import Cachex.Spec alias Pleroma.Config require Logger @name Mix.Project.config()[:name] @version Mix.Project.config()[:version] @repository Mix.Project.config()[:source_url] @mix_env Mix.env() def name, do: @name def version, do: @version def named_version, do: @name <> " " <> @version def repository, do: @repository def user_agent do if Process.whereis(Pleroma.Web.Endpoint) do case Config.get([:http, :user_agent], :default) do :default -> info = "#{Pleroma.Web.Endpoint.url()} <#{Config.get([:instance, :email], "")}>" named_version() <> "; " <> info custom -> custom end else # fallback, if endpoint is not started yet "Pleroma Data Loader" end end # See http://elixir-lang.org/docs/stable/elixir/Application.html # for more information on OTP Applications def start(_type, _args) do # Scrubbers are compiled at runtime and therefore will cause a conflict # every time the application is restarted, so we disable module # conflicts at runtime Code.compiler_options(ignore_module_conflict: true) # Disable warnings_as_errors at runtime, it breaks Phoenix live reload # due to protocol consolidation warnings Code.compiler_options(warnings_as_errors: false) Config.Holder.save_default() Pleroma.HTML.compile_scrubbers() Pleroma.Config.Oban.warn() Config.DeprecationWarnings.warn() Pleroma.Web.Plugs.HTTPSecurityPlug.warn_if_disabled() Pleroma.ApplicationRequirements.verify!() load_custom_modules() Pleroma.Docs.JSON.compile() limiters_setup() # Define workers and child supervisors to be supervised children = [ Pleroma.Repo, Config.TransferTask, Pleroma.Emoji, Pleroma.Web.Plugs.RateLimiter.Supervisor, {Task.Supervisor, name: Pleroma.TaskSupervisor} ] ++ cachex_children() ++ http_children() ++ queue_children() ++ [ Pleroma.Stats, Pleroma.JobQueueMonitor, {Majic.Pool, [name: Pleroma.MajicPool, pool_size: Config.get([:majic_pool, :size], 2)]}, Pleroma.Web.Endpoint ] ++ elasticsearch_children() ++ task_children(@mix_env) ++ dont_run_in_test(@mix_env) # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html # for other strategies and supported options # If we have a lot of caches, default max_restarts can cause test # resets to fail. # Go for the default 3 unless we're in test max_restarts = if @mix_env == :test do 100 else 3 end opts = [strategy: :one_for_one, name: Pleroma.Supervisor, max_restarts: max_restarts] with {:ok, data} <- Supervisor.start_link(children, opts) do set_postgres_server_version() {:ok, data} else e -> Logger.error("Failed to start!") Logger.error("#{inspect(e)}") e end end defp set_postgres_server_version do version = with %{rows: [[version]]} <- Ecto.Adapters.SQL.query!(Pleroma.Repo, "show server_version"), {num, _} <- Float.parse(version) do num else e -> Logger.warn( "Could not get the postgres version: #{inspect(e)}.\nSetting the default value of 9.6" ) 9.6 end :persistent_term.put({Pleroma.Repo, :postgres_version}, version) end def load_custom_modules do dir = Config.get([:modules, :runtime_dir]) if dir && File.exists?(dir) do dir |> Pleroma.Utils.compile_dir() |> case do {:error, _errors, _warnings} -> raise "Invalid custom modules" {:ok, modules, _warnings} -> if @mix_env != :test do Enum.each(modules, fn mod -> Logger.info("Custom module loaded: #{inspect(mod)}") end) end :ok end end end defp cachex_children do [ build_cachex("used_captcha", ttl_interval: seconds_valid_interval()), build_cachex("user", default_ttl: 25_000, ttl_interval: 1000, limit: 2500), build_cachex("object", default_ttl: 25_000, ttl_interval: 1000, limit: 2500), build_cachex("rich_media", default_ttl: :timer.minutes(120), limit: 5000), build_cachex("scrubber", limit: 2500), build_cachex("scrubber_management", limit: 2500), build_cachex("idempotency", expiration: idempotency_expiration(), limit: 2500), build_cachex("web_resp", limit: 2500), build_cachex("emoji_packs", expiration: emoji_packs_expiration(), limit: 10), build_cachex("failed_proxy_url", limit: 2500), build_cachex("banned_urls", default_ttl: :timer.hours(24 * 30), limit: 5_000), build_cachex("translations", default_ttl: :timer.hours(24 * 30), limit: 2500), build_cachex("instances", default_ttl: :timer.hours(24), ttl_interval: 1000, limit: 2500), build_cachex("request_signatures", default_ttl: :timer.hours(24 * 30), limit: 3000) ] end defp emoji_packs_expiration, do: expiration(default: :timer.seconds(5 * 60), interval: :timer.seconds(60)) defp idempotency_expiration, do: expiration(default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60)) defp seconds_valid_interval, do: :timer.seconds(Config.get!([Pleroma.Captcha, :seconds_valid])) @spec build_cachex(String.t(), keyword()) :: map() def build_cachex(type, opts), do: %{ id: String.to_atom("cachex_" <> type), start: {Cachex, :start_link, [String.to_atom(type <> "_cache"), opts]}, type: :worker } defp dont_run_in_test(env) when env in [:test, :benchmark], do: [] defp dont_run_in_test(_) do [ {Registry, [ name: Pleroma.Web.Streamer.registry(), keys: :duplicate, partitions: System.schedulers_online() ]} ] ++ background_migrators() end defp background_migrators do [ Pleroma.Migrators.HashtagsTableMigrator ] end @spec task_children(atom()) :: [map()] defp task_children(:test) do [ %{ id: :web_push_init, start: {Task, :start_link, [&Pleroma.Web.Push.init/0]}, restart: :temporary } ] end defp task_children(_) do [ %{ id: :web_push_init, start: {Task, :start_link, [&Pleroma.Web.Push.init/0]}, restart: :temporary }, %{ id: :internal_fetch_init, start: {Task, :start_link, [&Pleroma.Web.ActivityPub.InternalFetchActor.init/0]}, restart: :temporary } ] end @spec elasticsearch_children :: [Pleroma.Search.Elasticsearch.Cluster] def elasticsearch_children do config = Config.get([Pleroma.Search, :module]) if config == Pleroma.Search.Elasticsearch do [Pleroma.Search.Elasticsearch.Cluster] else [] end end @spec limiters_setup() :: :ok def limiters_setup do config = Config.get(ConcurrentLimiter, []) [ Pleroma.Web.RichMedia.Helpers, Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy, Pleroma.Search ] |> Enum.each(fn module -> mod_config = Keyword.get(config, module, []) max_running = Keyword.get(mod_config, :max_running, 5) max_waiting = Keyword.get(mod_config, :max_waiting, 5) ConcurrentLimiter.new(module, max_running, max_waiting) end) end defp http_children do proxy_url = Config.get([:http, :proxy_url]) proxy = Pleroma.HTTP.AdapterHelper.format_proxy(proxy_url) config = [:http, :adapter] |> Config.get([]) |> Pleroma.HTTP.AdapterHelper.maybe_add_proxy_pool(proxy) |> Keyword.put(:name, MyFinch) [{Finch, config}] end defp queue_children do queue_module = Config.get([:queue, :module]) case queue_module do Oban -> [{Oban, Config.get(Oban)}] Pleroma.Broadway -> Pleroma.Broadway.children() end end end