Safe Haskell	None

Network.Wai.Application.Classic

Contents

Common
Files
CGI
Reverse Proxy
Path
Misc

Description

WAI (Web Application Interface) Application for static files and CGI.

Synopsis

Common

data ClassicAppSpec Source

Constructors

ClassicAppSpec
Fields softwareName :: ByteString Name specified to Server: in HTTP response. logger :: ApacheLogger A function for logging. The third argument is a body size. statusFileDir :: Path A function to get the HTTP body of status.

data StatusInfo Source

Constructors

StatusByteString ByteString	HTTP status body is created from `ByteString`.
StatusFile Path Integer	HTTP status body is created from `FilePath`.
StatusNone	No HTTP status body.

Files

data FileAppSpec Source

Constructors

FileAppSpec
Fields indexFile :: Path A file name of an index file. isHTML :: Path -> Bool Whether this is an HTML or not. getFileInfo :: Path -> IO FileInfo A function to obtain information about a file. If information is not obtained, an IO exception should be raised.

data FileInfo Source

Constructors

FileInfo
Fields fileInfoName :: Path fileInfoSize :: Integer fileInfoTime :: HTTPDate

Instances

Show FileInfo

data FileRoute Source

Constructors

FileRoute
Fields fileSrc :: Path Path prefix to be matched to `rawPathInfo`. fileDst :: Path Path prefix to an actual file system.

fileApp :: ClassicAppSpec -> FileAppSpec -> FileRoute -> Application Source

Handle GET and HEAD for a static file.

If pathInfo ends with '/', indexFile is automatically added. In this case, Acceptable-Language: is also handled. Suppose indexFile is index.html and if the value is ja,en, then "index.html.ja", "index.html.en", and "index.html" are tried to be opened in order.

If pathInfo does not end with '/' and a corresponding index file exist, redirection is specified in HTTP response.

Directory contents are NOT automatically listed. To list directory contents, an index file must be created beforehand.

The following HTTP headers are handled: Acceptable-Language:, If-Modified-Since:, Range:, If-Range:, If-Unmodified-Since:.

CGI

data CgiAppSpec Source

Constructors

CgiAppSpec
Fields indexCgi :: Path A file name of the default CGI.

data CgiRoute Source

Constructors

CgiRoute
Fields cgiSrc :: Path Path prefix to be matched to `rawPathInfo`. cgiDst :: Path Path prefix to an actual file system.

cgiApp :: ClassicAppSpec -> CgiAppSpec -> CgiRoute -> Application Source

Handle GET and POST for CGI.

The program to link this library must ignore SIGCHLD as follows:

   installHandler sigCHLD Ignore Nothing

Reverse Proxy

data RevProxyAppSpec Source

Constructors

RevProxyAppSpec
Fields revProxyManager :: Manager Connection manager

data RevProxyRoute Source

Constructors

RevProxyRoute
Fields revProxySrc :: Path Path prefix to be matched to `rawPathInfo`. revProxyDst :: Path Destination path prefix. revProxyDomain :: ByteString Destination domain name. revProxyPort :: Int Destination port number.

revProxyApp :: ClassicAppSpec -> RevProxyAppSpec -> RevProxyRoute -> Application Source

Relaying any requests as reverse proxy.

Path

data Path Source

Smart file path.

Constructors

Path
Fields pathString :: FilePath pathByteString :: ByteString

Instances

Eq Path
Show Path
IsString Path

fromString :: IsString a => String -> a

fromByteString :: ByteString -> Path Source

(+++) :: Path -> Path -> Path Source

Appending.

(</>) :: Path -> Path -> Path Source

Appending with the file separator.

>>> "/foo" </> "bar"
"/foo/bar"
>>> "/foo/" </> "bar"
"/foo/bar"
>>> "/foo" </> "/bar"
"/foo/bar"
>>> "/foo/" </> "/bar"
"/foo/bar"

(<\>) :: Path -> Path -> Path Source

Removing prefix. The prefix of the second argument is removed from the first argument.

>>> "foobar" <\> "foo"
"bar"
>>> "foo" <\> "foobar"
""
>>> "foobar" <\> "baz"
"bar"

(<.>) :: Path -> Path -> Path Source

Adding suffix.

breakAtSeparator :: Path -> (Path, Path)Source

Breaking at the first path separator.

>>> breakAtSeparator "/foo/bar/baz"
("","/foo/bar/baz")
>>> breakAtSeparator "foo/bar/baz"
("foo","/bar/baz")
>>> breakAtSeparator "foo"
("foo","")

hasLeadingPathSeparator :: Path -> Bool Source

Checking if the path ends with the path separator.

>>> hasLeadingPathSeparator "/foo/bar"
True
>>> hasLeadingPathSeparator "foo/bar"
False

hasTrailingPathSeparator :: Path -> Bool Source

Checking if the path ends with the path separator.

>>> hasTrailingPathSeparator "/foo/bar/"
True
>>> hasTrailingPathSeparator "/foo/bar"
False

isSuffixOf :: Path -> Path -> Bool Source

Misc

redirectHeader :: Request -> ResponseHeaders Source