content: -- This file is part of the Wire Server implementation.
  --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program is free software: you can redistribute it and/or modify it under
  -- the terms of the GNU Affero General Public License as published by the Free
  -- Software Foundation, either version 3 of the License, or (at your option) any
  -- later version.
  --
  -- This program is distributed in the hope that it will be useful, but WITHOUT
  -- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  -- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  module Federator.Monitor
    ( withMonitor,
      mkTLSSettingsOrThrow,
      FederationSetupError (..),
    )
  where
  
  import Control.Exception (bracket, throw)
  import Federator.Monitor.Internal
  import Federator.Options (RunSettings (..))
  import Imports
  import OpenSSL.Session (SSLContext)
  import Polysemy qualified
  import Polysemy.Error qualified as Polysemy
  import Polysemy.TinyLog (logAndIgnoreErrors)
  import System.Logger (Logger)
  
  mkTLSSettingsOrThrow :: RunSettings -> IO SSLContext
  mkTLSSettingsOrThrow = Polysemy.runM . runEither . Polysemy.runError @FederationSetupError . mkSSLContext
    where
      runEither = (either (Polysemy.embed @IO . throw) pure =<<)
  
  withMonitor :: Logger -> (SSLContext -> IO ()) -> RunSettings -> IO a -> IO a
  withMonitor logger onNewContext rs action =
    bracket
      ( runSemDefault
          logger
          ( mkMonitor
              (runSemDefault logger . logAndIgnoreErrors showFederationSetupError "federation setup error while updating certificates")
              onNewContext
              rs
          )
      )
      (runSemDefault logger . delMonitor)
      (const action)
  