Pleroma/lib/pleroma/application.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
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defmodule Pleroma.Application do
use Application
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import Cachex.Spec
alias Pleroma.Config
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require Logger
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@name Mix.Project.config()[:name]
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@version Mix.Project.config()[:version]
@repository Mix.Project.config()[:source_url]
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@env Mix.env()
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def name, do: @name
def version, do: @version
def named_version, do: @name <> " " <> @version
def repository, do: @repository
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def user_agent do
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case Config.get([:http, :user_agent], :default) do
:default ->
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info = "#{Pleroma.Web.base_url()} <#{Config.get([:instance, :email], "")}>"
named_version() <> "; " <> info
custom ->
custom
end
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end
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# See http://elixir-lang.org/docs/stable/elixir/Application.html
# for more information on OTP Applications
def start(_type, _args) do
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Config.Holder.save_default()
Pleroma.HTML.compile_scrubbers()
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Config.DeprecationWarnings.warn()
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Pleroma.Plugs.HTTPSecurityPlug.warn_if_disabled()
Pleroma.ApplicationRequirements.verify!()
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setup_instrumenters()
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load_custom_modules()
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adapter = Application.get_env(:tesla, :adapter)
if adapter == Tesla.Adapter.Gun do
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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.
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"
end
else
raise "
!!!OTP VERSION WARNING!!!
To support correct handling of unordered certificates chains - OTP version must be > 22.2.
"
end
end
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# Define workers and child supervisors to be supervised
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children =
[
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Pleroma.Repo,
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Config.TransferTask,
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Pleroma.Emoji,
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Pleroma.Plugs.RateLimiter.Supervisor
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] ++
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cachex_children() ++
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http_children(adapter, @env) ++
[
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Pleroma.Stats,
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Pleroma.JobQueueMonitor,
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{Oban, Config.get(Oban)}
] ++
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task_children(@env) ++
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streamer_child(@env) ++
chat_child(@env, chat_enabled?()) ++
[
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Pleroma.Web.Endpoint,
Pleroma.Gopher.Server
]
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# See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
# for other strategies and supported options
opts = [strategy: :one_for_one, name: Pleroma.Supervisor]
Supervisor.start_link(children, opts)
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end
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def load_custom_modules do
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dir = Config.get([:modules, :runtime_dir])
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if dir && File.exists?(dir) do
dir
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|> Pleroma.Utils.compile_dir()
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|> case do
{:error, _errors, _warnings} ->
raise "Invalid custom modules"
{:ok, modules, _warnings} ->
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if @env != :test do
Enum.each(modules, fn mod ->
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Logger.info("Custom module loaded: #{inspect(mod)}")
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end)
end
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:ok
end
end
end
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defp setup_instrumenters do
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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
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Pleroma.Web.Endpoint.MetricsExporter.setup()
Pleroma.Web.Endpoint.PipelineInstrumenter.setup()
Pleroma.Web.Endpoint.Instrumenter.setup()
end
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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),
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build_cachex("idempotency", expiration: idempotency_expiration(), limit: 2500),
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build_cachex("web_resp", limit: 2500),
build_cachex("emoji_packs", expiration: emoji_packs_expiration(), limit: 10),
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build_cachex("failed_proxy_url", limit: 2500),
build_cachex("banned_urls", default_ttl: :timer.hours(24 * 30), limit: 5_000)
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]
end
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defp emoji_packs_expiration,
do: expiration(default: :timer.seconds(5 * 60), interval: :timer.seconds(60))
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defp idempotency_expiration,
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do: expiration(default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60))
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defp seconds_valid_interval,
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do: :timer.seconds(Config.get!([Pleroma.Captcha, :seconds_valid]))
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@spec build_cachex(String.t(), keyword()) :: map()
def build_cachex(type, opts),
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do: %{
id: String.to_atom("cachex_" <> type),
start: {Cachex, :start_link, [String.to_atom(type <> "_cache"), opts]},
type: :worker
}
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defp chat_enabled?, do: Config.get([:chat, :enabled])
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defp streamer_child(env) when env in [:test, :benchmark], do: []
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defp streamer_child(_) do
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[
{Registry,
[
name: Pleroma.Web.Streamer.registry(),
keys: :duplicate,
partitions: System.schedulers_online()
]}
]
end
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defp chat_child(_env, true) do
[Pleroma.Web.ChatChannel.ChatChannelState]
end
defp chat_child(_, _), do: []
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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
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# start hackney and gun pools in tests
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defp http_children(_, :test) do
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hackney_options = Config.get([:hackney_pools, :federation])
hackney_pool = :hackney_pool.child_spec(:federation, hackney_options)
[hackney_pool, Pleroma.Pool.Supervisor]
end
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defp http_children(Tesla.Adapter.Hackney, _) do
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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
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defp http_children(Tesla.Adapter.Gun, _), do: [Pleroma.Pool.Supervisor]
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defp http_children(_, _), do: []
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end