Support HTTP and HTTPS URLs

lib/SlackBuilder/Download.hs

@@ -51,6 +51,7 @@ import Text.URI (URI(..))
 import qualified Text.URI as URI
 import Network.HTTP.Req
     ( useHttpsURI
+    , useURI
     , HEAD(..)
     , NoReqBody(..)
     , req
@@ -258,7 +259,7 @@ download uri packagePath = runReq defaultHttpConfig go
                 $ URI.unRText
                 $ NonEmpty.last
                 $ snd uriPath
-        | otherwise = throwM $ HttpsUrlExpected uri
+        | otherwise = throwM $ UnsupportedUrlType uri
     readResponse :: FilePath -> Response BodyReader -> IO (FilePath, Digest MD5)
     readResponse downloadFileName response = do
         let attachmentName = dispositionAttachment response
@@ -347,7 +348,11 @@ reqGet :: (MonadThrow m, MonadHttp m)
     => URI
     -> (Response BodyReader -> IO a)
     -> m a
-reqGet uri bodyReader
-    | Just (httpsURI, httpsOptions) <- useHttpsURI uri =
+reqGet uri bodyReader =
+    case useURI uri of
+        Just urlWithOptions
+            | Left (httpsURI, httpsOptions) <- urlWithOptions ->
                 reqBr GET httpsURI NoReqBody httpsOptions bodyReader
-    | otherwise = throwM $ HttpsUrlExpected uri
+            | Right (httpsURI, httpsOptions) <- urlWithOptions ->
+                reqBr GET httpsURI NoReqBody httpsOptions bodyReader
+        _ -> throwM $ UnsupportedUrlType uri

lib/SlackBuilder/Trans.hs

@@ -23,7 +23,7 @@ import qualified Codec.Compression.Lzma as Lzma
 
 data SlackBuilderException
     = UpdaterNotFound Text
-    | HttpsUrlExpected URI
+    | UnsupportedUrlType URI
     | LzmaDecompressionFailed Lzma.LzmaRet
     deriving Show
 
@@ -31,7 +31,7 @@ instance Exception SlackBuilderException
   where
     displayException (UpdaterNotFound updateName) = Text.unpack
         $ Text.concat ["Requested package \"", updateName, "\" was not found"]
-    displayException (HttpsUrlExpected givenURI) = Text.unpack
+    displayException (UnsupportedUrlType givenURI) = Text.unpack
         $ "Only https URLs are supported, got: " <> URI.render givenURI
     displayException (LzmaDecompressionFailed Lzma.LzmaRetOK) =
         "Operation completed successfully"