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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Application do
   6   use Application
   7   import Supervisor.Spec
   8
   9   @name "Pleroma"
  10   @version Mix.Project.config()[:version]
  11   def name, do: @name
  12   def version, do: @version
  13   def named_version(), do: @name <> " " <> @version
  14
  15   def user_agent() do
  16     info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>"
  17     named_version() <> "; " <> info
  18   end
  19
  20   # See http://elixir-lang.org/docs/stable/elixir/Application.html
  21   # for more information on OTP Applications
  22   def start(_type, _args) do
  23     import Cachex.Spec
  24
  25     # Define workers and child supervisors to be supervised
  26     children =
  27       [
  28         # Start the Ecto repository
  29         supervisor(Pleroma.Repo, []),
  30         worker(Pleroma.Emoji, []),
  31         worker(Pleroma.Captcha, []),
  32         worker(
  33           Cachex,
  34           [
  35             :user_cache,
  36             [
  37               default_ttl: 25000,
  38               ttl_interval: 1000,
  39               limit: 2500
  40             ]
  41           ],
  42           id: :cachex_user
  43         ),
  44         worker(
  45           Cachex,
  46           [
  47             :object_cache,
  48             [
  49               default_ttl: 25000,
  50               ttl_interval: 1000,
  51               limit: 2500
  52             ]
  53           ],
  54           id: :cachex_object
  55         ),
  56         worker(
  57           Cachex,
  58           [
  59             :scrubber_cache,
  60             [
  61               limit: 2500
  62             ]
  63           ],
  64           id: :cachex_scrubber
  65         ),
  66         worker(
  67           Cachex,
  68           [
  69             :idempotency_cache,
  70             [
  71               expiration:
  72                 expiration(
  73                   default: :timer.seconds(6 * 60 * 60),
  74                   interval: :timer.seconds(60)
  75                 ),
  76               limit: 2500
  77             ]
  78           ],
  79           id: :cachex_idem
  80         ),
  81         worker(Pleroma.Web.Federator.RetryQueue, []),
  82         worker(Pleroma.Web.Federator, []),
  83         worker(Pleroma.Stats, []),
  84         worker(Pleroma.Web.Push, [])
  85       ] ++
  86         streamer_child() ++
  87         chat_child() ++
  88         [
  89           # Start the endpoint when the application starts
  90           supervisor(Pleroma.Web.Endpoint, []),
  91           worker(Pleroma.Gopher.Server, [])
  92         ]
  93
  94     # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
  95     # for other strategies and supported options
  96     opts = [strategy: :one_for_one, name: Pleroma.Supervisor]
  97     Supervisor.start_link(children, opts)
  98   end
  99
 100   if Mix.env() == :test do
 101     defp streamer_child(), do: []
 102     defp chat_child(), do: []
 103   else
 104     defp streamer_child() do
 105       [worker(Pleroma.Web.Streamer, [])]
 106     end
 107
 108     defp chat_child() do
 109       if Pleroma.Config.get([:chat, :enabled]) do
 110         [worker(Pleroma.Web.ChatChannel.ChatChannelState, [])]
 111       else
 112         []
 113       end
 114     end
 115   end
 116 end