60 lines
2.0 KiB
Haskell
Executable File
60 lines
2.0 KiB
Haskell
Executable File
#!/usr/bin/env stack
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-- stack --resolver lts-11.1 runghc --package minio-hs
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--
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-- MinIO Haskell SDK, (C) 2017, 2018 MinIO, Inc.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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{-# LANGUAGE OverloadedStrings #-}
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import Network.Minio
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import qualified Data.ByteString.Char8 as B
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import Data.CaseInsensitive (original)
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-- | The following example uses minio's play server at
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-- https://play.min.io. The endpoint and associated
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-- credentials are provided via the libary constant,
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--
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-- > minioPlayCI :: ConnectInfo
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--
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main :: IO ()
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main = do
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let
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-- Use headers to set user-metadata - note that this header will
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-- need to be set when the URL is used to make an upload.
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headers = [("x-amz-meta-url-creator",
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"minio-hs-presigned-put-example")]
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res <- runMinio minioPlayCI $ do
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-- generate a URL with 7 days expiry time
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presignedPutObjectUrl "my-bucket" "my-object" (7*24*3600) headers
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case res of
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Left e -> putStrLn $ "presignedPutObject URL failed." ++ show e
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Right url -> do
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-- We generate a curl command to demonstrate usage of the signed
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-- URL.
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let
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hdrOpt (k, v) = B.concat ["-H '", original k, ": ", v, "'"]
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curlCmd = B.intercalate " " $
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["curl "] ++ map hdrOpt headers ++
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["-T /tmp/myfile", B.concat ["'", url, "'"]]
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putStrLn $ "The following curl command would use the presigned " ++
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"URL to upload the file at \"/tmp/myfile\":"
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B.putStrLn curlCmd
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