openid-0.1.1.0: An implementation of the OpenID-2.0 spec. Source code Contents Index

Network.OpenID.Utils Portability Maintainer Stability :

Contents General Helpers OpenID Defaults MonadLib helpers

Description

Synopsis

readMaybe :: Read a => String -> Maybe a breaks :: (a -> Bool) -> [a] -> [[a]] split :: (a -> Bool) -> [a] -> ([a], [a]) roll :: [Word8] -> Integer unroll :: Integer -> [Word8] btwoc :: [Word8] -> [Word8] defaultModulus :: Integer openidNS :: String readM :: (ExceptionM m e, Read a) => e -> String -> m a lookupParam :: ExceptionM m Error => String -> Params -> m String readParam :: (Read a, ExceptionM m Error) => String -> Params -> m a withResponse :: ExceptionM m Error => Either ConnError Response -> (Response -> m a) -> m a

General Helpers

readMaybe :: Read a => String -> Maybe a Source

Read, maybe.

breaks :: (a -> Bool) -> [a] -> [[a]] Source

Break up a string by a predicate.

split :: (a -> Bool) -> [a] -> ([a], [a]) Source

Spit a list into a pair, removing the element that caused the predicate to succeed.

roll :: [Word8] -> Integer Source

Build an Integer out of a big-endian list of bytes.

unroll :: Integer -> [Word8] Source

Turn an Integer into a big-endian list of bytes

btwoc :: [Word8] -> [Word8] Source

Pad out a list of bytes to represent a positive, big-endian list of bytes.

OpenID Defaults

defaultModulus :: Integer Source

Default modulus for Diffie-Hellman key exchange.

openidNS :: String Source

The OpenID-2.0 namespace.

MonadLib helpers

readM :: (ExceptionM m e, Read a) => e -> String -> m a Source

Read inside of an Exception monad

lookupParam :: ExceptionM m Error => String -> Params -> m String Source

Lookup parameters inside an exception handling monad

readParam :: (Read a, ExceptionM m Error) => String -> Params -> m a Source

Read a field

withResponse :: ExceptionM m Error => Either ConnError Response -> (Response -> m a) -> m a Source

Make an HTTP request, and run a function with a successful response

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