minio-hs/examples/PresignedPutObject.hs
Aditya Manthramurthy b91a7afd6b
Update with changes for ormolu 0.5.0.0 (#171)
- Add ormolu check to CI
2022-05-27 12:07:28 -07:00

59 lines
2.0 KiB
Haskell
Executable File

#!/usr/bin/env stack
-- stack --resolver lts-14.11 runghc --package minio-hs
--
-- MinIO Haskell SDK, (C) 2017, 2018 MinIO, Inc.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
{-# LANGUAGE OverloadedStrings #-}
import qualified Data.ByteString.Char8 as B
import Data.CaseInsensitive (original)
import Network.Minio
-- | The following example uses minio's play server at
-- https://play.min.io. The endpoint and associated
-- credentials are provided via the libary constant,
--
-- > minioPlayCI :: ConnectInfo
main :: IO ()
main = do
let -- Use headers to set user-metadata - note that this header will
-- need to be set when the URL is used to make an upload.
headers =
[ ( "x-amz-meta-url-creator",
"minio-hs-presigned-put-example"
)
]
res <- runMinio minioPlayCI $ do
-- generate a URL with 7 days expiry time
presignedPutObjectUrl "my-bucket" "my-object" (7 * 24 * 3600) headers
case res of
Left e -> putStrLn $ "presignedPutObject URL failed." ++ show e
Right url -> do
-- We generate a curl command to demonstrate usage of the signed
-- URL.
let hdrOpt (k, v) = B.concat ["-H '", original k, ": ", v, "'"]
curlCmd =
B.intercalate " " $
["curl "]
++ map hdrOpt headers
++ ["-T /tmp/myfile", B.concat ["'", url, "'"]]
putStrLn $
"The following curl command would use the presigned "
++ "URL to upload the file at \"/tmp/myfile\":"
B.putStrLn curlCmd