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/>.
  
  -- Legacy:
  module CargoHold.API.Legacy
    ( download,
      downloadOtr,
    )
  where
  
  import CargoHold.App
  import qualified CargoHold.S3 as S3
  import CargoHold.Types.V3 (Principal (UserPrincipal))
  import CargoHold.Util (genSignedURL)
  import Data.Id
  import Data.Qualified (Local, QualifiedWithTag (tUntagged))
  import Imports
  import URI.ByteString
  
  download :: Local UserId -> ConvId -> AssetId -> Handler (Maybe URI)
  download luid _cnv ast = S3.getMetadata ast >>= maybe notFound found
    where
      notFound = pure Nothing
      found isPublic =
        if not isPublic
          then pure Nothing
          else do
            let principal = UserPrincipal <$> tUntagged luid
            url <- genSignedURL (Just principal) Nothing (S3.plainKey ast) Nothing
            pure (Just url)
  
  downloadOtr :: Local UserId -> ConvId -> AssetId -> Handler (Maybe URI)
  downloadOtr luid cnv ast = S3.getOtrMetadata cnv ast >>= maybe notFound found
    where
      notFound = pure Nothing
      found _ = do
        let principal = UserPrincipal <$> tUntagged luid
        url <- genSignedURL (Just principal) Nothing (S3.otrKey cnv ast) Nothing
        pure (Just url)
  