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add optional realm for OAuth

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Chen Wenlong 2011-12-23 00:34:11 +08:00
parent 3891e66164
commit c3a3ba3930
1 changed files with 11 additions and 6 deletions
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17
Web/Authenticate/OAuth.hs
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@ -51,6 +51,7 @@ data OAuth = OAuth { oauthServerName :: String -- ^ Service name
, oauthConsumerKey :: BS.ByteString -- ^ Consumer key
, oauthConsumerSecret :: BS.ByteString -- ^ Consumer Secret
, oauthCallback :: Maybe BS.ByteString -- ^ Callback uri to redirect after authentication
, oauthRealm :: Maybe BS.ByteString -- ^ Optional authorization realm
} deriving (Show, Eq, Ord, Read, Data, Typeable)
@ -197,7 +198,11 @@ signOAuth oa crd req = do
crd' <- addTimeStamp =<< addNonce crd
let tok = injectOAuthToCred oa crd'
sign <- genSign oa tok req
return $ addAuthHeader (insert "oauth_signature" sign tok) req
return $ addAuthHeader prefix (insert "oauth_signature" sign tok) req
where
prefix = case oauthRealm oa of
Nothing -> "OAuth "
Just v -> "OAuth realm=\"" `BS.append` v `BS.append` "\","
baseTime :: UTCTime
baseTime = UTCTime day 0
@ -238,12 +243,12 @@ genSign oa tok req =
RSASHA1 pr ->
liftM (encode . toStrict . rsassa_pkcs1_v1_5_sign ha_SHA1 pr) (getBaseString tok req)
addAuthHeader :: Credential -> Request a -> Request a
addAuthHeader (Credential cred) req =
req { requestHeaders = insertMap "Authorization" (renderAuthHeader cred) $ requestHeaders req }
addAuthHeader :: BS.ByteString -> Credential -> Request a -> Request a
addAuthHeader prefix (Credential cred) req =
req { requestHeaders = insertMap "Authorization" (renderAuthHeader prefix cred) $ requestHeaders req }
renderAuthHeader :: [(BS.ByteString, BS.ByteString)] -> BS.ByteString
renderAuthHeader = ("OAuth realm=\"\"," `BS.append`). BS.intercalate "," . map (\(a,b) -> BS.concat [paramEncode a, "=\"", paramEncode b, "\""]) . filter ((`elem` ["realm", "oauth_token", "oauth_verifier", "oauth_consumer_key", "oauth_signature_method", "oauth_timestamp", "oauth_nonce", "oauth_version", "oauth_callback", "oauth_signature"]) . fst)
renderAuthHeader :: BS.ByteString -> [(BS.ByteString, BS.ByteString)] -> BS.ByteString
renderAuthHeader prefix = (prefix `BS.append`). BS.intercalate "," . map (\(a,b) -> BS.concat [paramEncode a, "=\"", paramEncode b, "\""]) . filter ((`elem` ["realm", "oauth_token", "oauth_verifier", "oauth_consumer_key", "oauth_signature_method", "oauth_timestamp", "oauth_nonce", "oauth_version", "oauth_callback", "oauth_signature"]) . fst)
-- | Encode a string using the percent encoding method for OAuth.
paramEncode :: BS.ByteString -> BS.ByteString