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{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE CPP #-}
module Network.Mail.Mime.SES
( sendMailSES
, sendMailSESWithResponse
, sendMailSESGlobal
, renderSendMailSES
, renderSendMailSESGlobal
, SES (..)
, usEast1
, usWest2
, euWest1
, SESException (..)
) where
import Control.Exception (Exception, throwIO)
import Control.Monad.IO.Class (MonadIO, liftIO)
import Data.ByteString (ByteString)
import Data.ByteString.Base64 (encode)
import qualified Data.ByteString.Char8 as S8
import qualified Data.ByteString.Lazy as L
import Data.Conduit (Sink, await, ($$), (=$))
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.Encoding as E
import Data.Time (getCurrentTime)
import Data.Typeable (Typeable)
import Data.XML.Types (Content (ContentText), Event (EventBeginElement, EventContent))
import Network.HTTP.Client (Manager,
requestHeaders, responseBody,
responseStatus, urlEncodedBody,
withResponse)
import Network.HTTP.Client.Conduit (bodyReaderSource)
import Network.HTTP.Types (Status)
import Network.HTTP.Client.TLS (getGlobalManager)
import Network.Mail.Mime (Mail, renderMail')
import Text.XML.Stream.Parse (def, parseBytes)
import Network.Mail.Mime.SES.Internal
data SES = SES
{ sesFrom :: !ByteString
, sesTo :: ![ByteString]
, sesAccessKey :: !ByteString
, sesSecretKey :: !ByteString
, sesSessionToken :: !(Maybe ByteString)
, sesRegion :: !Text
}
deriving Show
renderSendMailSES :: MonadIO m => Manager -> SES -> Mail -> m ()
renderSendMailSES m ses mail = liftIO (renderMail' mail) >>= sendMailSES m ses
-- | @since 0.4.1
-- Same as 'renderSendMailSES' but uses the global 'Manager'.
renderSendMailSESGlobal :: MonadIO m => SES -> Mail -> m ()
renderSendMailSESGlobal ses mail = do
mgr <- liftIO getGlobalManager
renderSendMailSES mgr ses mail
sendMailSES :: MonadIO m => Manager -> SES
-> L.ByteString -- ^ Raw message data. You must ensure that
-- the message format complies with
-- Internet email standards regarding
-- email header fields, MIME types, and
-- MIME encoding.
-> m ()
sendMailSES manager ses msg =
sendMailSESWithResponse manager ses msg checkForError
-- | @since 0.4.3
-- Generalised version of 'sendMailSES' which allows customising the final return type.
sendMailSESWithResponse :: MonadIO m => Manager -> SES
-> L.ByteString
-> (Status -> Sink Event IO a)
-- ^ What to do with the HTTP 'Status' returned in the 'Response'.
-> m a
sendMailSESWithResponse manager ses msg onResponseStatus = liftIO $ do
now <- getCurrentTime
requestBase <- buildRequest (concat ["https://email.", T.unpack (sesRegion ses) , ".amazonaws.com"])
let headers =
[ ("Date", formatAmazonTime now)
]
++ case sesSessionToken ses of
Just token -> [("X-Amz-Security-Token", token)]
Nothing -> []
let tentativeRequest = urlEncodedBody qs $ requestBase {requestHeaders = headers}
canonicalRequest = canonicalizeRequest tentativeRequest
stringToSign = makeStringToSign "ses" now (E.encodeUtf8 (sesRegion ses)) canonicalRequest
sig = makeSig "ses" now (E.encodeUtf8 (sesRegion ses)) (sesSecretKey ses) stringToSign
authorizationString = makeAuthorizationString "ses" now (E.encodeUtf8 (sesRegion ses))
(patchedRequestHeaders tentativeRequest) (sesAccessKey ses) sig
finalRequest = tentativeRequest {requestHeaders = ("Authorization", authorizationString): requestHeaders tentativeRequest}
withResponse finalRequest manager $ \res ->
bodyReaderSource (responseBody res)
$$ parseBytes def
=$ onResponseStatus (responseStatus res)
where
qs =
("Action", "SendRawEmail")
: ("Source", sesFrom ses)
: ("RawMessage.Data", encode $ S8.concat $ L.toChunks msg)
: zipWith mkDest [1 :: Int ..] (sesTo ses)
mkDest num addr = (S8.pack $ "Destinations.member." ++ show num, addr)
-- | @since 0.4.1
-- Same as 'sendMailSES' but uses the global 'Manager'.
sendMailSESGlobal :: MonadIO m => SES
-> L.ByteString -- ^ Raw message data. You must ensure that
-- the message format complies with
-- Internet email standards regarding
-- email header fields, MIME types, and
-- MIME encoding.
-> m ()
sendMailSESGlobal ses msg = do
mgr <- liftIO getGlobalManager
sendMailSES mgr ses msg
checkForError :: Status -> Sink Event IO ()
checkForError status = do
name <- getFirstStart
if name == errorResponse
then loop "" "" ""
else return ()
where
errorResponse = "{http://ses.amazonaws.com/doc/2010-12-01/}ErrorResponse"
getFirstStart = do
mx <- await
case mx of
Nothing -> return errorResponse
Just (EventBeginElement name _) -> return name
_ -> getFirstStart
loop code msg reqid =
await >>= maybe finish go
where
getContent front = do
mx <- await
case mx of
Just (EventContent (ContentText t)) -> getContent (front . (t:))
_ -> return $ T.concat $ front []
go (EventBeginElement "{http://ses.amazonaws.com/doc/2010-12-01/}Code" _) = do
t <- getContent id
loop t msg reqid
go (EventBeginElement "{http://ses.amazonaws.com/doc/2010-12-01/}Message" _) = do
t <- getContent id
loop code t reqid
go (EventBeginElement "{http://ses.amazonaws.com/doc/2010-12-01/}RequestId" _) = do
t <- getContent id
loop code msg t
go _ = loop code msg reqid
finish = liftIO $ throwIO SESException
{ seStatus = status
, seCode = code
, seMessage = msg
, seRequestId = reqid
}
-- |
--
-- Exposed since: 0.3.2
data SESException = SESException
{ seStatus :: !Status
, seCode :: !Text
, seMessage :: !Text
, seRequestId :: !Text
}
deriving (Show, Typeable)
instance Exception SESException
usEast1 :: Text
usEast1 = "us-east-1"
usWest2 :: Text
usWest2 = "us-west-2"
euWest1 :: Text
euWest1 = "eu-west-1"
|
