akkoma/lib/pleroma/application.ex

294 lines
8.5 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 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]
@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_all_pleroma_modules()
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() ++
[
Pleroma.Stats,
Pleroma.JobQueueMonitor,
{Majic.Pool, [name: Pleroma.MajicPool, pool_size: Config.get([:majic_pool, :size], 2)]},
{Oban, Config.get(Oban)},
Pleroma.Web.Endpoint,
Pleroma.Web.Telemetry
] ++
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
1000
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.warning(
"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
def load_all_pleroma_modules do
:code.all_available()
|> Enum.filter(fn {mod, _, _} ->
mod
|> to_string()
|> String.starts_with?("Elixir.Pleroma.")
end)
|> Enum.map(fn {mod, _, _} ->
mod
|> to_string()
|> String.to_existing_atom()
|> Code.ensure_loaded!()
end)
# Use this when 1.15 is standard
#|> Code.ensure_all_loaded!()
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),
build_cachex("rel_me", default_ttl: :timer.hours(24 * 30), limit: 300)
]
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)
pool_size = Config.get([:http, :pool_size])
:public_key.cacerts_load()
config =
[:http, :adapter]
|> Config.get([])
|> Pleroma.HTTP.AdapterHelper.add_pool_size(pool_size)
|> Pleroma.HTTP.AdapterHelper.maybe_add_proxy_pool(proxy)
|> Keyword.put(:name, MyFinch)
[{Finch, config}]
end
end