Safe Haskell	None
Language	Haskell2010

Network.Wai.Application.Classic

Contents

Common
Files
Redirect
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. statusFileDir :: Path A function to get HTTP's GMT Date.

defaultClassicAppSpec :: ClassicAppSpec Source

Default value for ClassicAppSpec. softwareName is "Classic". dater calls epochTime for every request. statusFileDir is "/usr/local/share/html/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.

Instances

Eq StatusInfo Source
Show StatusInfo Source

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.

defaultFileAppSpec :: FileAppSpec Source

Default value for defaultFileAppSpec. indexFile is "index.html". isHTML matches "*.html" and "*.html".

data FileRoute Source

Constructors

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

Instances

Eq FileRoute Source
Show FileRoute Source

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:.

Redirect

data RedirectRoute Source

Constructors

RedirectRoute
Fields redirectSrc :: Path Path prefix to be matched to `rawPathInfo`. redirectDst :: Path Path prefix to an actual file system.

Instances

Eq RedirectRoute Source
Show RedirectRoute Source

redirectApp :: ClassicAppSpec -> RedirectRoute -> Application Source

CGI

data CgiAppSpec Source

Constructors

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

Instances

Eq CgiAppSpec Source
Show CgiAppSpec Source

defaultCgiAppSpec :: CgiAppSpec Source

Default value for defaultCgiAppSpec. indexCgi is "index.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.

Instances

Eq CgiRoute Source
Show CgiRoute Source

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.

Instances

Eq RevProxyRoute Source
Show RevProxyRoute Source

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 Source
Show Path Source
IsString Path Source

fromString :: IsString a => String -> a

fromByteString :: ByteString -> Path Source

(+++) :: Path -> Path -> Path infixr 9 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

hostPort :: Request -> (ByteString, ByteString) Source