Pleroma/lib/pleroma/application.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Application do
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import Cachex.Spec
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use Application
@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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info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>"
named_version() <> "; " <> info
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
Pleroma.Config.DeprecationWarnings.warn()
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setup_instrumenters()
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# Define workers and child supervisors to be supervised
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children =
[
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Pleroma.Repo,
Pleroma.Config.TransferTask,
Pleroma.Emoji,
Pleroma.Captcha,
Pleroma.FlakeId,
Pleroma.ScheduledActivityWorker,
Pleroma.ActivityExpirationWorker
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] ++
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cachex_children() ++
hackney_pool_children() ++
[
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Pleroma.Web.Federator.RetryQueue,
Pleroma.Stats,
%{
id: :web_push_init,
start: {Task, :start_link, [&Pleroma.Web.Push.init/0]},
restart: :temporary
},
%{
id: :federator_init,
start: {Task, :start_link, [&Pleroma.Web.Federator.init/0]},
restart: :temporary
},
%{
id: :internal_fetch_init,
start: {Task, :start_link, [&Pleroma.Web.ActivityPub.InternalFetchActor.init/0]},
restart: :temporary
}
] ++
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oauth_cleanup_child(oauth_cleanup_enabled?()) ++
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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]
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result = Supervisor.start_link(children, opts)
:ok = after_supervisor_start()
result
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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
def enabled_hackney_pools do
[:media] ++
if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do
[:federation]
else
[]
end ++
if Pleroma.Config.get([Pleroma.Upload, :proxy_remote]) do
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[:upload]
else
[]
end
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),
build_cachex("web_resp", limit: 2500)
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]
end
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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(Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid]))
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defp 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: Pleroma.Config.get([:chat, :enabled])
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defp oauth_cleanup_enabled?,
do: Pleroma.Config.get([:oauth2, :clean_expired_tokens], false)
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defp streamer_child(:test), do: []
defp streamer_child(_) do
[Pleroma.Web.Streamer]
end
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defp oauth_cleanup_child(true),
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do: [Pleroma.Web.OAuth.Token.CleanWorker]
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defp oauth_cleanup_child(_), do: []
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defp chat_child(:test, _), do: []
defp chat_child(_env, true) do
[Pleroma.Web.ChatChannel.ChatChannelState]
end
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defp chat_child(_, _), do: []
defp hackney_pool_children do
for pool <- enabled_hackney_pools() do
options = Pleroma.Config.get([:hackney_pools, pool])
:hackney_pool.child_spec(pool, options)
end
end
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defp after_supervisor_start do
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with digest_config <- Application.get_env(:pleroma, :email_notifications)[:digest],
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true <- digest_config[:active] do
PleromaJobQueue.schedule(
digest_config[:schedule],
:digest_emails,
Pleroma.DigestEmailWorker
)
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end
:ok
end
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end