# Pleroma: A lightweight social networking server # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # 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] @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.base_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) Pleroma.Telemetry.Logger.attach() 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!() setup_instrumenters() load_custom_modules() Pleroma.Docs.JSON.compile() limiters_setup() adapter = Application.get_env(:tesla, :adapter) if adapter == Tesla.Adapter.Gun do if version = Pleroma.OTPVersion.version() do [major, minor] = version |> String.split(".") |> Enum.map(&String.to_integer/1) |> Enum.take(2) if (major == 22 and minor < 2) or major < 22 do raise " !!!OTP VERSION WARNING!!! You are using gun adapter with OTP version #{version}, which doesn't support correct handling of unordered certificates chains. Please update your Erlang/OTP to at least 22.2. " end else raise " !!!OTP VERSION WARNING!!! To support correct handling of unordered certificates chains - OTP version must be > 22.2. " end end # Define workers and child supervisors to be supervised children = [ Pleroma.Repo, Config.TransferTask, Pleroma.Emoji, Pleroma.Web.Plugs.RateLimiter.Supervisor ] ++ cachex_children() ++ http_children(adapter, @env) ++ [ Pleroma.Stats, Pleroma.JobQueueMonitor, {Majic.Pool, [name: Pleroma.MajicPool, pool_size: Config.get([:majic_pool, :size], 2)]}, {Oban, Config.get(Oban)} ] ++ task_children(@env) ++ dont_run_in_test(@env) ++ chat_child(chat_enabled?()) ++ [ Pleroma.Web.Endpoint, Pleroma.Gopher.Server ] # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html # for other strategies and supported options opts = [strategy: :one_for_one, name: Pleroma.Supervisor] result = Supervisor.start_link(children, opts) set_postgres_server_version() result 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 @env != :test do Enum.each(modules, fn mod -> Logger.info("Custom module loaded: #{inspect(mod)}") end) end :ok end end end defp setup_instrumenters do require Prometheus.Registry if Application.get_env(:prometheus, Pleroma.Repo.Instrumenter) do :ok = :telemetry.attach( "prometheus-ecto", [:pleroma, :repo, :query], &Pleroma.Repo.Instrumenter.handle_event/4, %{} ) Pleroma.Repo.Instrumenter.setup() end Pleroma.Web.Endpoint.MetricsExporter.setup() Pleroma.Web.Endpoint.PipelineInstrumenter.setup() # Note: disabled until prometheus-phx is integrated into prometheus-phoenix: # Pleroma.Web.Endpoint.Instrumenter.setup() PrometheusPhx.setup() 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("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("chat_message_id_idempotency_key", expiration: chat_message_id_idempotency_key_expiration(), limit: 500_000 ) ] 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 chat_message_id_idempotency_key_expiration, do: expiration(default: :timer.minutes(2), 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 chat_enabled?, do: Config.get([:chat, :enabled]) 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() ]} ] end defp chat_child(true) do [ Pleroma.Web.ChatChannel.ChatChannelState, {Phoenix.PubSub, [name: Pleroma.PubSub, adapter: Phoenix.PubSub.PG2]} ] end defp chat_child(_), do: [] 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 # start hackney and gun pools in tests defp http_children(_, :test) do http_children(Tesla.Adapter.Hackney, nil) ++ http_children(Tesla.Adapter.Gun, nil) end defp http_children(Tesla.Adapter.Hackney, _) do pools = [:federation, :media] pools = if Config.get([Pleroma.Upload, :proxy_remote]) do [:upload | pools] else pools end for pool <- pools do options = Config.get([:hackney_pools, pool]) :hackney_pool.child_spec(pool, options) end end defp http_children(Tesla.Adapter.Gun, _) do Pleroma.Gun.ConnectionPool.children() ++ [{Task, &Pleroma.HTTP.AdapterHelper.Gun.limiter_setup/0}] end defp http_children(_, _), do: [] @spec limiters_setup() :: :ok def limiters_setup do [Pleroma.Web.RichMedia.Helpers, Pleroma.Web.MediaProxy] |> Enum.each(&ConcurrentLimiter.new(&1, 1, 0)) end end