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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
defmodule Pleroma.ApplicationRequirements do
@moduledoc """
The module represents the collection of validations to runs before start server.
"""
defmodule VerifyError, do: defexception([:message])
import Ecto.Query
require Logger
@spec verify!() :: :ok | VerifyError.t()
def verify! do
:ok
|> check_confirmation_accounts!
|> check_migrations_applied!()
|> check_welcome_message_config!()
|> check_rum!()
|> handle_result()
end
defp handle_result(:ok), do: :ok
defp handle_result({:error, message}), do: raise(VerifyError, message: message)
defp check_welcome_message_config!(:ok) do
if Pleroma.Config.get([:welcome, :email, :enabled], false) and
not Pleroma.Emails.Mailer.enabled?() do
Logger.error("""
To send welcome email do you need to enable mail.
\nconfig :pleroma, Pleroma.Emails.Mailer, enabled: true
""")
{:error, "The mail disabled."}
else
:ok
end
end
defp check_welcome_message_config!(result), do: result
# Checks account confirmation email
#
def check_confirmation_accounts!(:ok) do
if Pleroma.Config.get([:instance, :account_activation_required]) &&
not Pleroma.Config.get([Pleroma.Emails.Mailer, :enabled]) do
Logger.error(
"Account activation enabled, but no Mailer settings enabled.\nPlease set config :pleroma, :instance, account_activation_required: false\nOtherwise setup and enable Mailer."
)
{:error,
"Account activation enabled, but Mailer is disabled. Cannot send confirmation emails."}
else
:ok
end
end
def check_confirmation_accounts!(result), do: result
# Checks for pending migrations.
#
def check_migrations_applied!(:ok) do
unless Pleroma.Config.get(
[:i_am_aware_this_may_cause_data_loss, :disable_migration_check],
false
) do
{_, res, _} =
Ecto.Migrator.with_repo(Pleroma.Repo, fn repo ->
down_migrations =
Ecto.Migrator.migrations(repo)
|> Enum.reject(fn
{:up, _, _} -> true
{:down, _, _} -> false
end)
if length(down_migrations) > 0 do
down_migrations_text =
Enum.map(down_migrations, fn {:down, id, name} -> "- #{name} (#{id})\n" end)
Logger.error(
"The following migrations were not applied:\n#{down_migrations_text}If you want to start Pleroma anyway, set\nconfig :pleroma, :i_am_aware_this_may_cause_data_loss, disable_migration_check: true"
)
{:error, "Unapplied Migrations detected"}
else
:ok
end
end)
res
else
:ok
end
end
def check_migrations_applied!(result), do: result
# Checks for settings of RUM indexes.
#
defp check_rum!(:ok) do
{_, res, _} =
Ecto.Migrator.with_repo(Pleroma.Repo, fn repo ->
migrate =
from(o in "columns",
where: o.table_name == "objects",
where: o.column_name == "fts_content"
)
|> repo.exists?(prefix: "information_schema")
setting = Pleroma.Config.get([:database, :rum_enabled], false)
do_check_rum!(setting, migrate)
end)
res
end
defp check_rum!(result), do: result
defp do_check_rum!(setting, migrate) do
case {setting, migrate} do
{true, false} ->
Logger.error(
"Use `RUM` index is enabled, but were not applied migrations for it.\nIf you want to start Pleroma anyway, set\nconfig :pleroma, :database, rum_enabled: false\nOtherwise apply the following migrations:\n`mix ecto.migrate --migrations-path priv/repo/optional_migrations/rum_indexing/`"
)
{:error, "Unapplied RUM Migrations detected"}
{false, true} ->
Logger.error(
"Detected applied migrations to use `RUM` index, but `RUM` isn't enable in settings.\nIf you want to use `RUM`, set\nconfig :pleroma, :database, rum_enabled: true\nOtherwise roll `RUM` migrations back.\n`mix ecto.rollback --migrations-path priv/repo/optional_migrations/rum_indexing/`"
)
{:error, "RUM Migrations detected"}
_ ->
:ok
end
end
end
|
