gonito/Handler/Shared.hs

342 lines
12 KiB
Haskell

{-# LANGUAGE RecordWildCards #-}
module Handler.Shared where
import Import
import qualified Data.IntMap as IntMap
import Handler.Runner
import System.Exit
import qualified Data.Text as T
import Database.Persist.Sql (fromSqlKey)
import Control.Concurrent.Lifted (threadDelay)
import Control.Concurrent (forkIO)
import qualified Crypto.Hash.SHA1 as CHS
import qualified Data.List as DL
import System.Random
import System.Directory (doesFileExist, renameDirectory)
import PersistSHA1
import Text.Printf
import Yesod.Form.Bootstrap3 (bfs)
import qualified Test.RandomStrings as RS
import qualified Crypto.Nonce as Nonce
import System.IO.Unsafe (unsafePerformIO)
arena :: Handler FilePath
arena = do
app <- getYesod
return $ (appVarDir $ appSettings app) </> "arena"
gitPath :: FilePath
gitPath = "/usr/bin/git"
browsableGitSite :: Text
browsableGitSite = "https://gonito.net/gitlist/"
serverAddress :: Text
serverAddress = "gonito.net"
gitServer :: Text
gitServer = "ssh://gitolite@" ++ serverAddress ++ "/"
gitReadOnlyServer :: Text
gitReadOnlyServer = "git://" ++ serverAddress ++ "/"
getPublicSubmissionBranch :: SubmissionId -> Text
getPublicSubmissionBranch = T.pack . (printf "submission-%05d") . fromSqlKey
getPublicSubmissionUrl :: RepoScheme -> Maybe Repo -> Text -> Text
getPublicSubmissionUrl SelfHosted _ bareRepoName = gitServer ++ bareRepoName
getPublicSubmissionUrl Branches (Just repo) _ = repoUrl repo
getReadOnlySubmissionUrl :: RepoScheme -> Repo -> Text -> Text
getReadOnlySubmissionUrl SelfHosted _ bareRepoName = gitReadOnlyServer ++ bareRepoName
getReadOnlySubmissionUrl Branches repo _ = repoUrl repo
browsableGitRepoBranch :: RepoScheme -> Repo -> Text -> Text -> Text
browsableGitRepoBranch SelfHosted _ bareRepoName branch = (browsableGitRepo bareRepoName) ++ "/" ++ branch ++ "/"
browsableGitRepoBranch Branches repo _ branch = sshToHttps (repoUrl repo) branch
sshToHttps :: Text -> Text -> Text
sshToHttps url branch = "https://" ++ (T.replace ".git" "" $ T.replace ":" "/" $ T.replace "ssh://" "" $ T.replace "git@" "" url) ++ "/tree/" ++ branch
browsableGitRepo :: Text -> Text
browsableGitRepo bareRepoName
| ".git" `isSuffixOf` bareRepoName = browsableGitSite ++ bareRepoName
| otherwise = browsableGitSite ++ bareRepoName ++ ".git"
runViewProgress :: (Channel -> Handler ()) -> Handler TypedContent
runViewProgress = runViewProgress' ViewProgressR
runOpenViewProgress :: (Channel -> Handler ()) -> Handler TypedContent
runOpenViewProgress = runViewProgress' OpenViewProgressR
runViewProgress' :: (Int -> Route App) -> (Channel -> Handler ()) -> Handler TypedContent
runViewProgress' route action = do
App {..} <- getYesod
jobId <- randomInt
chan <- liftIO $ atom $ do
chan <- newBroadcastTChan
m <- readTVar jobs
writeTVar jobs $ IntMap.insert jobId chan m
return chan
runInnerHandler <- handlerToIO
_ <- liftIO $ forkIO $ runInnerHandler $ do
liftIO $ threadDelay 1000000
action chan
liftIO $ atom $ do
writeTChan chan $ Just "All done\n"
writeTChan chan Nothing
m <- readTVar jobs
writeTVar jobs $ IntMap.delete jobId m
redirect $ route jobId
data RepoCloningSpec = RepoCloningSpec {
cloningSpecRepo :: RepoSpec,
cloningSpecReferenceRepo :: RepoSpec
}
data RepoSpec = RepoSpec {
repoSpecUrl :: Text,
repoSpecBranch :: Text,
repoSpecGitAnnexRemote :: Maybe Text
}
cloneRepo :: RepoCloningSpec -> Channel -> Handler (Maybe (Key Repo))
cloneRepo repoCloningSpec chan = do
let url = repoSpecUrl $ cloningSpecRepo repoCloningSpec
let branch = repoSpecBranch $ cloningSpecRepo repoCloningSpec
maybeRepo <- runDB $ getBy $ UniqueUrlBranch url branch
case maybeRepo of
Just _ -> do
err chan "Repo already there"
return Nothing
Nothing -> cloneRepo' repoCloningSpec chan
updateRepo :: Key Repo -> Channel -> Handler Bool
updateRepo repoId chan = do
repo <- runDB $ get404 repoId
repoDir <- getRepoDir repoId
let branch = repoBranch repo
exitCode <- runWithChannel chan $ do
runProg (Just repoDir) gitPath ["fetch",
"origin",
T.unpack branch,
"--progress"]
runProg (Just repoDir) gitPath ["reset",
"--hard",
"FETCH_HEAD"]
getStuffUsingGitAnnex repoDir (repoGitAnnexRemote repo)
case exitCode of
ExitSuccess -> do
maybeHeadCommit <- getHeadCommit repoDir chan
case maybeHeadCommit of
Just headCommit -> do
runDB $ update repoId [RepoCurrentCommit =. headCommit]
return True
Nothing -> return False
_ -> return False
getHeadCommit :: FilePath -> Channel -> Handler (Maybe SHA1)
getHeadCommit repoDir chan = do
(exitCode, out) <- runProgram (Just repoDir) gitPath ["rev-parse", "HEAD"] chan
case exitCode of
ExitSuccess -> do
msg chan $ concat ["HEAD commit is ", commitId]
return $ Just commitRaw
where commitId = T.replace "\n" "" out
commitRaw = fromTextToSHA1 commitId
ExitFailure _ -> do
err chan "cannot determine HEAD commit"
return Nothing
getLastCommitMessage :: FilePath -> Channel -> Handler (Maybe Text)
getLastCommitMessage repoDir chan = do
(exitCode, out) <- runProgram (Just repoDir) gitPath ["log", "-1", "--pretty=%B"] chan
return $ case exitCode of
ExitSuccess -> Just out
ExitFailure _ -> Nothing
cloneRepo' :: RepoCloningSpec -> Channel -> Handler (Maybe (Key Repo))
cloneRepo' repoCloningSpec chan = do
let url = repoSpecUrl $ cloningSpecRepo repoCloningSpec
msg chan $ concat ["Preparing to clone repo ", url]
msg chan "Cloning..."
r <- randomInt
arenaDir <- arena
let tmpRepoDir = arenaDir </> ("t" ++ show r)
exitCode <- rawClone tmpRepoDir repoCloningSpec chan
case exitCode of
ExitSuccess -> do
maybeHeadCommit <- getHeadCommit tmpRepoDir chan
case maybeHeadCommit of
Just commitRaw -> do
userId <- requireAuthId
time <- liftIO getCurrentTime
repoId <- runDB $ insert $ Repo {
repoUrl=url,
repoBranch=repoSpecBranch $ cloningSpecRepo repoCloningSpec,
repoGitAnnexRemote=repoSpecGitAnnexRemote $ cloningSpecRepo repoCloningSpec,
repoCurrentCommit=commitRaw,
repoOwner=userId,
repoReady=True,
repoStamp=time }
repoDir <- getRepoDir repoId
liftIO $ renameDirectory tmpRepoDir repoDir
msg chan $ concat ["Repo is in ", (T.pack repoDir)]
return $ Just repoId
Nothing -> do
return Nothing
ExitFailure _ -> do
err chan "git failed"
return Nothing
rawClone :: FilePath -> RepoCloningSpec -> Channel -> Handler ExitCode
rawClone tmpRepoDir repoCloningSpec chan = runWithChannel chan $ do
let url = repoSpecUrl $ cloningSpecRepo repoCloningSpec
let branch = repoSpecBranch $ cloningSpecRepo repoCloningSpec
let referenceUrl = repoSpecUrl $ cloningSpecReferenceRepo repoCloningSpec
let referenceBranch = repoSpecBranch $ cloningSpecReferenceRepo repoCloningSpec
runProg Nothing gitPath ["clone",
"--progress",
"--branch",
T.unpack referenceBranch,
T.unpack referenceUrl,
tmpRepoDir]
if url /= referenceUrl || branch /= referenceBranch
then
do
runProg (Just tmpRepoDir) gitPath ["remote",
"set-url",
"origin",
T.unpack url]
runProg (Just tmpRepoDir) gitPath ["fetch",
"origin",
T.unpack branch]
runProg (Just tmpRepoDir) gitPath ["reset",
"--hard",
"FETCH_HEAD"]
getStuffUsingGitAnnex tmpRepoDir (repoSpecGitAnnexRemote $ cloningSpecRepo repoCloningSpec)
else
return ()
getStuffUsingGitAnnex :: FilePath -> Maybe Text -> Runner ()
getStuffUsingGitAnnex _ Nothing = return ()
getStuffUsingGitAnnex tmpRepoDir (Just gitAnnexRemote) = do
let randomRemoteNameLen = 10
remoteName <- liftIO $ RS.randomString (RS.onlyAlpha RS.randomASCII) randomRemoteNameLen
runGitAnnex tmpRepoDir ["init"]
runGitAnnex tmpRepoDir (["initremote", remoteName] ++ (words $ T.unpack gitAnnexRemote))
runGitAnnex tmpRepoDir ["get", "--from", remoteName]
runGitAnnex :: FilePath -> [String] -> Runner ()
runGitAnnex tmpRepoDir args = runProg (Just tmpRepoDir) gitPath ("annex":args)
getRepoDir :: Key Repo -> Handler FilePath
getRepoDir repoId = do
arenaDir <- arena
return $ arenaDir </> ("r" ++ repoIdAsString)
where repoIdAsString = show $ fromSqlKey repoId
getOpenViewProgressR :: Int -> Handler TypedContent
getOpenViewProgressR = getViewProgressR
getViewProgressR :: Int -> Handler TypedContent
getViewProgressR jobId = do
App {..} <- getYesod
mchan <- liftIO $ atom $ do
m <- readTVar jobs
case IntMap.lookup jobId m of
Nothing -> return Nothing
Just chan -> fmap Just $ dupTChan chan
case mchan of
Nothing -> notFound
Just chan -> respondSource typePlain $ do
let loop = do
mtext <- liftIO $ atom $ readTChan chan
case mtext of
Nothing -> return ()
Just text -> do
sendChunkText text
sendFlush
loop
loop
randomInt :: Handler Int
randomInt = liftIO $ randomIO
gatherSHA1ForCollectionOfFiles :: [FilePath] -> IO ByteString
gatherSHA1ForCollectionOfFiles files = do
contentss <- mapM readFile $ sort files
return $ CHS.finalize $ foldl' CHS.update CHS.init contentss
formatSubmitter :: User -> Text
formatSubmitter user = if userIsAnonymous user
then
"[anonymised]"
else
case userName user of
Just name -> name
Nothing -> "[name not given]"
fieldWithTooltip :: forall master msg msg1. (RenderMessage master msg, RenderMessage master msg1) => msg -> msg1 -> FieldSettings master
fieldWithTooltip name tooltip = (bfs name) { fsTooltip = Just $ SomeMessage tooltip }
nonceGen :: Nonce.Generator
nonceGen = unsafePerformIO Nonce.new
{-# NOINLINE nonceGen #-}
-- | Randomly create a new verification key.
newToken :: MonadIO m => m Text
newToken = Nonce.nonce128urlT nonceGen
enableTriggerToken :: (BaseBackend (YesodPersistBackend site) ~ SqlBackend, YesodPersist site, PersistStoreWrite (YesodPersistBackend site)) => Key User -> Maybe a -> HandlerFor site ()
enableTriggerToken _ (Just _) = return ()
enableTriggerToken userId Nothing = do
token <- newToken
runDB $ update userId [UserTriggerToken =. Just token]
thenCmp :: Ordering -> Ordering -> Ordering
thenCmp EQ o2 = o2
thenCmp o1 _ = o1
getMainTest :: [Entity Test] -> Entity Test
getMainTest tests = DL.maximumBy (\(Entity _ a) (Entity _ b) -> ( ((testName a) `compare` (testName b))
`thenCmp`
((fromMaybe 9999 $ testPriority b) `compare` (fromMaybe 9999 $ testPriority a)) ) ) tests
formatFullScore :: Maybe Evaluation -> Text
formatFullScore (Just evaluation) = fromMaybe "???" (T.pack <$> show <$> evaluationScore evaluation)
formatFullScore Nothing = "N/A"
formatTruncatedScore :: Maybe Int -> Maybe Evaluation -> Text
formatTruncatedScore Nothing e = formatFullScore e
formatTruncatedScore _ Nothing = formatFullScore Nothing
formatTruncatedScore (Just precision) (Just evaluation) = case evaluationScore evaluation of
Just score -> T.pack $ printf "%0.*f" precision score
Nothing -> formatFullScore Nothing
findFilePossiblyCompressed :: FilePath -> IO (Maybe FilePath)
findFilePossiblyCompressed baseFilePath = do
let possibleFiles = [baseFilePath] ++ (map (baseFilePath <.>) ["gz", "bz2", "xz"])
foundFiles <- filterM doesFileExist possibleFiles
return $ case foundFiles of
[] -> Nothing
(h:_) -> Just h