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5b09b82f31
queryToArguments "?&input=bla+bla"
returns [("&input","bla+bla")]
but should return [("input","bla bla")]
44 lines
1.5 KiB
Haskell
44 lines
1.5 KiB
Haskell
module RunHTTP(runHTTP) where
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import Network.URI(uriPath,uriQuery)
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import Network.CGI(ContentType(..))
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import Network.CGI.Protocol(CGIResult(..),CGIRequest(..),Input(..),
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Headers,HeaderName(..))
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import Network.CGI.Monad(runCGIT)
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import Network.Shed.Httpd(initServer,Request(..),Response(..),queryToArguments)
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import qualified Data.ByteString.Lazy.Char8 as BS(pack,unpack)
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import qualified Data.Map as M(fromList)
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documentRoot = "www"
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runHTTP port = initServer port . cgiHandler
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cgiHandler h = fmap httpResp . runCGIT h . cgiReq
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httpResp :: (Headers,CGIResult) -> Response
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httpResp (hdrs,r) = Response code (map name hdrs) (body r)
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where
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code = maybe 200 (read.head.words) (lookup (HeaderName "Status") hdrs)
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body CGINothing = ""
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body (CGIOutput s) = BS.unpack s
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name (HeaderName n,v) = (n,v)
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cgiReq :: Request -> CGIRequest
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cgiReq (Request method uri hdrs body) = CGIRequest vars inputs body'
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where
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vars = M.fromList [("REQUEST_METHOD",method),
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("REQUEST_URI",show uri),
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("SCRIPT_FILENAME",documentRoot++uriPath uri),
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("QUERY_STRING",qs)]
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qs = case uriQuery uri of
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'?':'&':s -> s -- httpd-shed bug workaround
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'?':s -> s
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s -> s
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inputs = map input $ queryToArguments qs -- assumes method=="GET"
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body' = BS.pack body
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input (name,val) = (name,Input (BS.pack (map decode val)) Nothing plaintext)
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plaintext = ContentType "text" "plain" []
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decode '+' = ' ' -- httpd-shed bug workaround
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decode c = c
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