module GitHubRelease where
import Options.Generic (type (<?>))
import qualified Data.Aeson as Aeson
import qualified Data.ByteString.Char8 as BS8
import qualified Data.ByteString.Lazy as BSL
import qualified Data.HashMap.Strict as HashMap
import qualified Data.Text as Text
import qualified Data.Version as Version
import qualified GHC.Generics as Generics
import qualified Network.HTTP.Client as Client
import qualified Network.HTTP.Client.TLS as TLS
import qualified Network.HTTP.Types as HTTP
import qualified Network.Mime as MIME
import qualified Network.URI.Template as Template
import qualified Network.URI.Template.Types as Template
import qualified Options.Generic as Options
import qualified Paths_github_release as This
import qualified System.IO as IO
import qualified Text.Printf as Printf
data Command
= Upload { file :: FilePath <?> "The path to the local file to upload."
, name :: String <?> "The name to give the file on the release."
, owner :: String <?> "The GitHub owner, either a user or organization."
, repo :: String <?> "The GitHub repository name."
, tag :: String <?> "The tag name."
, token :: String <?> "Your OAuth2 token."}
| Version
deriving (Generics.Generic, Show)
instance Options.ParseRecord Command
main :: IO ()
main = do
command <- Options.getRecord (Text.pack "Upload a file to a GitHub release.")
runCommand command
runCommand :: Command -> IO ()
runCommand command =
case command of
Upload aFile aName anOwner aRepo aTag aToken ->
upload
(Options.unHelpful aToken)
(Options.unHelpful anOwner)
(Options.unHelpful aRepo)
(Options.unHelpful aTag)
(Options.unHelpful aFile)
(Options.unHelpful aName)
Version -> putStrLn versionString
upload :: String -> String -> String -> String -> FilePath -> String -> IO ()
upload aToken anOwner aRepo aTag aFile aName = do
manager <- Client.newManager TLS.tlsManagerSettings
uploadUrl <- getUploadUrl manager aToken anOwner aRepo aTag
response <- uploadFile manager uploadUrl aToken aFile aName
case HTTP.statusCode (Client.responseStatus response) of
201 -> pure ()
_ -> do
IO.hPrint IO.stderr response
BSL.hPutStr IO.stderr (Client.responseBody response)
fail "Failed to upload file to release!"
getUploadUrl
:: Client.Manager
-> String
-> String
-> String
-> String
-> IO Template.UriTemplate
getUploadUrl manager aToken anOwner aRepo aTag = do
(Right json) <- getTag manager aToken anOwner aRepo aTag
let (Just (Aeson.String text)) = HashMap.lookup (Text.pack "upload_url") json
let uploadUrl = Text.unpack text
let (Right template) = Template.parseTemplate uploadUrl
pure template
getTag
:: Client.Manager
-> String
-> String
-> String
-> String
-> IO (Either String Aeson.Object)
getTag manager aToken anOwner aRepo aTag = do
let format = "https://api.github.com/repos/%s/%s/releases/tags/%s"
let url = Printf.printf format anOwner aRepo aTag
initialRequest <- Client.parseUrlThrow url
let request =
initialRequest
{Client.requestHeaders = [authorizationHeader aToken, userAgentHeader]}
response <- Client.httpLbs request manager
let body = Client.responseBody response
let json = Aeson.eitherDecode body
return json
authorizationHeader :: String -> HTTP.Header
authorizationHeader aToken =
(HTTP.hAuthorization, BS8.pack (Printf.printf "token %s" aToken))
userAgentHeader :: HTTP.Header
userAgentHeader = (HTTP.hUserAgent, BS8.pack userAgent)
userAgent :: String
userAgent = Printf.printf "%s/%s-%s" "tfausak" "github-release" versionString
versionString :: String
versionString = Version.showVersion This.version
uploadFile
:: Client.Manager
-> Template.UriTemplate
-> String
-> FilePath
-> String
-> IO (Client.Response BSL.ByteString)
uploadFile manager template aToken aFile aName = do
contents <- BSL.readFile aFile
let body = Client.RequestBodyLBS contents
uploadBody manager template aToken body aName
uploadBody
:: Client.Manager
-> Template.UriTemplate
-> String
-> Client.RequestBody
-> String
-> IO (Client.Response BSL.ByteString)
uploadBody manager template aToken body aName = do
let url =
Template.render
template
[("name", Template.WrappedValue (Template.Single aName))]
initialRequest <- Client.parseUrlThrow url
let request =
initialRequest
{ Client.method = BS8.pack "POST"
, Client.requestBody = body
, Client.requestHeaders =
[ authorizationHeader aToken
, (HTTP.hContentType, MIME.defaultMimeLookup (Text.pack aName))
, userAgentHeader
]
}
Client.httpLbs request manager