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|
{- Amazon Web Services common infrastructure.
-
- Copyright 2011-2014 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TupleSections #-}
module Remote.Helper.AWS where
import Common.Annex
import Creds
import qualified Data.Map as M
import qualified Data.ByteString as B
import qualified Data.Text as T
import Data.Text.Encoding (encodeUtf8)
import Data.Text (Text)
creds :: UUID -> CredPairStorage
creds u = CredPairStorage
{ credPairFile = fromUUID u
, credPairEnvironment = ("AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY")
, credPairRemoteKey = Just "s3creds"
}
data Service = S3 | Glacier
deriving (Eq)
type Region = Text
regionMap :: Service -> M.Map Text Region
regionMap = M.fromList . regionInfo
defaultRegion :: Service -> Region
defaultRegion = snd . Prelude.head . regionInfo
data ServiceRegion = BothRegion Region | S3Region Region | GlacierRegion Region
{- The "US" and "EU" names are used as location constraints when creating a
- S3 bucket. -}
regionInfo :: Service -> [(Text, Region)]
regionInfo service = map (\(t, r) -> (t, fromServiceRegion r)) $
filter (matchingService . snd) $
concatMap (\(t, l) -> map (t,) l) regions
where
regions =
[ ("US East (N. Virginia)", [S3Region "US", GlacierRegion "us-east-1"])
, ("US West (Oregon)", [BothRegion "us-west-2"])
, ("US West (N. California)", [BothRegion "us-west-1"])
, ("EU (Frankfurt)", [BothRegion "eu-central-1"])
, ("EU (Ireland)", [S3Region "EU", GlacierRegion "eu-west-1"])
, ("Asia Pacific (Singapore)", [S3Region "ap-southeast-1"])
, ("Asia Pacific (Tokyo)", [BothRegion "ap-northeast-1"])
, ("Asia Pacific (Sydney)", [S3Region "ap-southeast-2"])
, ("South America (São Paulo)", [S3Region "sa-east-1"])
]
fromServiceRegion (BothRegion s) = s
fromServiceRegion (S3Region s) = s
fromServiceRegion (GlacierRegion s) = s
matchingService (BothRegion _) = True
matchingService (S3Region _) = service == S3
matchingService (GlacierRegion _) = service == Glacier
s3HostName :: Region -> B.ByteString
s3HostName "US" = "s3.amazonaws.com"
s3HostName "EU" = "s3-eu-west-1.amazonaws.com"
s3HostName r = encodeUtf8 $ T.concat ["s3-", r, ".amazonaws.com"]
s3DefaultHost :: String
s3DefaultHost = "s3.amazonaws.com"
|
