akkoma/lib/pleroma/application.ex
2020-12-27 21:53:30 +03:00

304 lines
8.7 KiB
Elixir

# 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