+-- SPDX-FileCopyrightText: 2022 Frank Doepper
+--
+-- SPDX-License-Identifier: GPL-3.0-only
+
{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
-- generic AMQP publisher
import Control.Concurrent
-import qualified Control.Exception as X
-import qualified Data.ByteString.Lazy.Char8 as BL
-#if MIN_VERSION_hinotify(0,3,10)
-import qualified Data.ByteString.Char8 as BS
-#endif
-import Data.List (isSuffixOf)
+import qualified Control.Exception as X
+import Control.Monad (forM_)
+import qualified Data.ByteString.Char8 as BS
+import qualified Data.ByteString.Lazy.Char8 as BL
+import qualified Data.Map as M
import Data.Maybe
-import qualified Data.Text as T
+import qualified Data.Text as T
import Data.Time
import Data.Time.Clock.POSIX
-import Data.Version (showVersion)
-import Data.Word (Word64)
+import Data.Version (showVersion)
+import Data.Word (Word64)
import Magic
import Network.AMQP
import Network.AMQP.Types
import Network.AMQP.Utils.Connection
import Network.AMQP.Utils.Helpers
import Network.AMQP.Utils.Options
-import Paths_amqp_utils (version)
-import System.Directory
+import Paths_amqp_utils (version)
+import qualified System.Directory.OsPath as DO
import System.Environment
import System.Exit
+#if linux_HOST_OS
import System.INotify
-import qualified System.Posix.Files as F
+#endif
+import System.Posix.ByteString (RawFilePath)
+import qualified System.Posix.Files.ByteString as FB
+import qualified System.Posix.Files.PosixString as FP
+import qualified System.OsPath as OS
+import qualified System.File.OsPath as FOS
main :: IO ()
main = do
printparam "client version" ["amqp-utils", showVersion version]
printparam "routing key" $ rKey args
printparam "exchange" $ currentExchange args
+ (conn, chan) <- connect args
+ addChannelExceptionHandler chan (X.throwTo tid)
+ printparam "confirm mode" $ confirm args
+ if (confirm args)
+ then do
+ confirmSelect chan False
+ addConfirmationListener chan confirmCallback
+ else return ()
+ let inputFile' = firstInputFile (inputFiles args)
isDir <-
- if inputFile args == "-"
+ if inputFile' == "-"
then return False
- else F.getFileStatus (inputFile args) >>= return . F.isDirectory
+ else FB.getFileStatus inputFile' >>= return . FB.isDirectory
+ let publishOneMsg =
+ publishOneMsg' chan args {removeSentFile = removeSentFile args && isDir}
if isDir
- then
- printparam "hotfolder" (inputFile args) >>
+ then do
+ printparam "hotfolder mode" True
printparam "initial scan" (initialScan args)
+ if isNothing (moveSentFileTo args)
+ then printparam "remove sent file" (removeSentFile args)
+ else printparam "move sent file to" (moveSentFileTo args)
else printparam
"input file"
- [ inputFile args
+ [ inputFile'
, if (lineMode args)
then "(line-by-line)"
else ""
]
- printparam "remove sent file" (removeSentFile args && isDir)
- (conn, chan) <- connect args
- addChannelExceptionHandler chan (X.throwTo tid)
- printparam "confirm mode" $ confirm args
- if (confirm args)
- then do
- confirmSelect chan False
- addConfirmationListener chan confirmCallback
- else return ()
- let publishOneMsg = publishOneMsg' chan args {removeSentFile = removeSentFile args && isDir}
X.catch
(if isDir
then do
- setCurrentDirectory (inputFile args)
- if (initialScan args)
- then getDirectoryContents "." >>= mapM_ (\fn -> handleFile publishOneMsg (suffix args) fn)
- else return()
- inotify <- initINotify
- wd <-
- addWatch
- inotify
- [CloseWrite, MoveIn]
- "."
- (handleEvent publishOneMsg (suffix args))
- hr $ "BEGIN watching " ++ (inputFile args)
- sleepingBeauty >>= printparam "exception"
- removeWatch wd
- hr $ "END watching " ++ (inputFile args)
+#if linux_HOST_OS
+ wds <- mapM (watchHotfolder args publishOneMsg) (inputFiles args)
+ sleepingBeauty >>= (\x -> do
+ forM_ wds (\(wd,folder) -> do
+ removeWatch wd
+ printparam "END watching" folder
+ )
+ X.throw x)
+#else
+ X.throw (X.ErrorCall "ERROR: watching a directory is only supported in Linux")
+#endif
else do
hr $ "BEGIN sending"
messageFile <-
- if inputFile args == "-"
+ if inputFile' == "-"
then BL.getContents
- else BL.readFile (inputFile args)
+ else OS.encodeUtf (BS.unpack inputFile') >>= FOS.readFile
if (lineMode args)
- then mapM_ (publishOneMsg Nothing) (BL.lines messageFile)
- else publishOneMsg (Just (inputFile args)) messageFile
- hr "END sending")
+ then mapM_ (publishOneMsg (currentExchange args) (rKey args) Nothing) (BL.lines messageFile)
+ else publishOneMsg (currentExchange args) (rKey args) (Just (inputFile')) messageFile
+ hr "END sending"
+ if (confirm args)
+ then waitForConfirms chan >>= printparam "confirmed"
+ else return ()
+ X.catch (closeConnection conn) exceptionHandler
+ )
exceptionHandler
- -- all done. wait and close.
- if (confirm args)
- then waitForConfirms chan >>= printparam "confirmed"
+
+#if linux_HOST_OS
+-- | watch a hotfolder
+watchHotfolder ::
+ Args
+ -> (String -> String -> Maybe RawFilePath -> BL.ByteString -> IO ())
+ -> (RawFilePath, String, String)
+ -> IO (WatchDescriptor, RawFilePath)
+watchHotfolder args publishOneMsg (folder, exchange, rkey) = do
+ printparam "hotfolder" folder
+ inotify <- initINotify
+ wd <-
+ addWatch
+ inotify
+ [CloseWrite, MoveIn]
+ folder
+ (handleEvent (publishOneMsg exchange rkey) (suffix args) folder)
+ hr "BEGIN watching"
+ if (initialScan args)
+ then do
+ folder' <- OS.encodeUtf (BS.unpack folder)
+ DO.listDirectory folder' >>=
+ mapM_ (\fn -> handleFile (publishOneMsg exchange rkey) (suffix args) (folder' OS.</> fn))
else return ()
- X.catch (closeConnection conn) exceptionHandler
+ return (wd,folder)
+#endif
-- | A handler for clean exit
exceptionHandler :: AMQPException -> IO ()
, show ackType
]
+#if linux_HOST_OS
-- | Hotfolder event handler
handleEvent ::
- (Maybe String -> BL.ByteString -> IO ())
- -> [String]
- -> Event
- -> IO ()
+ (Maybe RawFilePath -> BL.ByteString -> IO ()) -> [BS.ByteString] -> OS.OsPath -> Event -> IO ()
-- just handle closewrite and movedin events
-#if MIN_VERSION_hinotify(0,3,10)
-handleEvent func suffixes (Closed False (Just fileName) True) =
- handleFile func suffixes (BS.unpack fileName)
-handleEvent func suffixes (MovedIn False fileName _) =
- handleFile func suffixes (BS.unpack fileName)
-#else
-handleEvent func suffixes (Closed False (Just fileName) True) = handleFile func suffixes fileName
-handleEvent func suffixes (MovedIn False fileName _) = handleFile func suffixes fileName
-#endif
-handleEvent _ _ _ = return ()
+handleEvent func suffixes folder (Closed False (Just fileName) True) =
+ handleFile func suffixes (folder OS.</> fileName)
+handleEvent func suffixes folder (MovedIn False fileName _) =
+ handleFile func suffixes (folder OS.</> fileName)
+handleEvent _ _ _ _ = return ()
-- | Hotfolder file handler
handleFile ::
- (Maybe String -> BL.ByteString -> IO ()) -> [String] -> FilePath -> IO ()
-handleFile _ _ ('.':_) = return () -- ignore hidden files
+ (Maybe RawFilePath -> BL.ByteString -> IO ()) -> [BS.ByteString] -> OS.OsPath -> IO ()
handleFile func suffixes@(_:_) fileName =
- if any (flip isSuffixOf fileName) suffixes
+ if (any (flip BS.isSuffixOf fileName) suffixes) && not ("." `BS.isPrefixOf` fileName)
then handleFile func [] fileName
else return ()
handleFile func [] fileName =
X.catch
- (BL.readFile fileName >>= func (Just fileName))
- (\e -> printparam "exception in handleFile" (e :: X.SomeException))
+ (FOS.readFile fileName >>= func (Just fileName))
+ (\e -> printparam "exception while processing" fileName >> printparam "exception in handleFile" (e :: X.IOException))
+#endif
-- | Publish one message with our settings
-publishOneMsg' :: Channel -> Args -> Maybe FilePath -> BL.ByteString -> IO ()
-publishOneMsg' chan a fn content = do
+publishOneMsg' ::
+ Channel
+ -> Args
+ -> String
+ -> String
+ -> Maybe RawFilePath
+ -> BL.ByteString
+ -> IO ()
+publishOneMsg' chan a exchange rkey fn content = do
printparam "sending" fn
(mtype, mencoding) <-
- if (magic a) && isJust fn
+ if (magic a)
then do
+ let firstchunk = if BL.null content then BS.empty else head $ BL.toChunks content
m <- magicOpen [MagicMimeType]
magicLoadDefault m
- t <- magicFile m (fromJust fn)
+ t <- BS.useAsCStringLen firstchunk (magicCString m)
magicSetFlags m [MagicMimeEncoding]
- e <- magicFile m (fromJust fn)
+ e <- BS.useAsCStringLen firstchunk (magicCString m)
return (Just (T.pack t), Just (T.pack e))
else return ((contenttype a), (contentencoding a))
now <- getCurrentTime >>= return . floor . utcTimeToPOSIXSeconds
publishMsg
chan
- (T.pack $ currentExchange a)
- (T.pack $ rKey a)
+ (T.pack $ exchange)
+ (T.pack $ rkey)
newMsg
{ msgBody = content
, msgDeliveryMode = persistent a
, msgPriority = prio a
, msgCorrelationID = corrid a
, msgExpiration = msgexp a
- , msgHeaders = substheader (fnheader a) fn $ msgheader a
+ , msgHeaders = substheader (fnheader a) (fmap OS.takeFileName fn) $ msgheader a
} >>=
printparam "sent"
- removeSentFileIfRequested (removeSentFile a) fn
+ removeSentFileIfRequested (removeSentFile a) (moveSentFileTo a) fn
where
substheader ::
- [String] -> Maybe String -> Maybe FieldTable -> Maybe FieldTable
+ [String] -> Maybe BS.ByteString -> Maybe FieldTable -> Maybe FieldTable
substheader (s:r) (Just fname) old =
- substheader r (Just fname) (addheader old (s ++ "=" ++ fname))
+ substheader r (Just fname) (addheader' old s fname)
substheader _ _ old = old
- removeSentFileIfRequested False _ = return ()
- removeSentFileIfRequested True Nothing = return ()
- removeSentFileIfRequested True (Just fname) = printparam "removing" fname >> removeFile fname
+ removeSentFileIfRequested False _ _ = return ()
+ removeSentFileIfRequested True _ Nothing = return ()
+ removeSentFileIfRequested True Nothing (Just fname) =
+ printparam "removing" fname >> DO.removeFile fname
+ removeSentFileIfRequested True (Just path) (Just fname) =
+ printparam "moving" [fname,"to",path] >>
+ FP.rename fname (OS.replaceDirectory fname ((OS.takeDirectory fname) OS.</> path))
+ addheader' :: Maybe FieldTable -> String -> BS.ByteString -> Maybe FieldTable
+ addheader' Nothing k v =
+ Just $ FieldTable $ M.singleton (T.pack k) (FVString v)
+ addheader' (Just (FieldTable oldheader)) k v =
+ Just $ FieldTable $ M.insert (T.pack k) (FVString v) oldheader
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