import Control.Monad
import Control.Monad.Trans
import qualified Data.ByteString.Lazy.Char8 as B
+import Data.Time.Clock.POSIX
import Network.HTTP.Lucu.Abortion
import Network.HTTP.Lucu.Config
import Network.HTTP.Lucu.ETag
import Network.HTTP.Lucu.Resource.Tree
import Network.HTTP.Lucu.Response
import Network.HTTP.Lucu.Utils
-import System.Directory
+import System.FilePath.Posix
import System.Posix.Files
handleStaticFile :: FilePath -> Resource ()
handleStaticFile path
= path `seq`
- do isFile <- liftIO $ doesFileExist path
- if isFile then
+ do exists <- liftIO $ fileExist path
+ if exists then
-- 存在はした。讀めるかどうかは知らない。
- do readable <- liftIO $ fileAccess path True False False
- unless readable
+ do stat <- liftIO $ getFileStatus path
+ if isRegularFile stat then
+ do readable <- liftIO $ fileAccess path True False False
+ unless readable
-- 讀めない
$ abort Forbidden [] Nothing
+ -- 讀める
+ tag <- liftIO $ generateETagFromFile path
+ let lastMod = posixSecondsToUTCTime $ fromRational $ toRational $ modificationTime stat
+ foundEntity tag lastMod
- -- 讀める
- tag <- liftIO $ generateETagFromFile path
- lastMod <- liftIO $ getModificationTime path
- foundEntity tag lastMod
+ -- MIME Type を推定
+ conf <- getConfig
+ case guessTypeByFileName (cnfExtToMIMEType conf) path of
+ Nothing -> return ()
+ Just mime -> setContentType mime
- -- MIME Type を推定
- conf <- getConfig
- case guessTypeByFileName (cnfExtToMIMEType conf) path of
- Nothing -> return ()
- Just mime -> setContentType mime
-
- -- 實際にファイルを讀んで送る
- (liftIO $ B.readFile path) >>= outputLBS
- else
- do isDir <- liftIO $ doesDirectoryExist path
- if isDir then
- abort Forbidden [] Nothing
+ -- 實際にファイルを讀んで送る
+ liftIO (B.readFile path) >>= outputLBS
else
- foundNoEntity Nothing
+ abort Forbidden [] Nothing
+ else
+ foundNoEntity Nothing
+
-- |Computation of @'generateETagFromFile' fpath@ generates a strong
-- entity tag from a file. The file doesn't necessarily have to be a
-- 'Network.HTTP.Lucu.Resource.Tree.ResTree', you had better use
-- 'staticDir' instead of this.
handleStaticDir :: FilePath -> Resource ()
-handleStaticDir basePath
- = basePath `seq`
- do extraPath <- getPathInfo
+handleStaticDir !basePath
+ = do extraPath <- getPathInfo
securityCheck extraPath
- let path = basePath ++ "/" ++ joinWith "/" extraPath
+ let path = basePath </> joinPath extraPath
handleStaticFile path
where
securityCheck :: Monad m => [String] -> m ()
- securityCheck pathElems
- = pathElems `seq`
- when (any (== "..") pathElems) $ fail ("security error: "
+ securityCheck !pathElems
+ = when (any (== "..") pathElems) $ fail ("security error: "
++ joinWith "/" pathElems)
+-- TODO: implement directory listing.