X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Rakka%2FStorage%2FRepos.hs;h=76889d7e0ad5fac702041a17b4bb787fe8a491a5;hb=e85b652169f502cffe1f6f7f927d8990e9c11499;hp=81ab87611b68a51422aabb22e60fb7ea5fe30e83;hpb=b4a3d2cf3854b10d923cb4c546bf1fe32b021a68;p=Rakka.git diff --git a/Rakka/Storage/Repos.hs b/Rakka/Storage/Repos.hs index 81ab876..76889d7 100644 --- a/Rakka/Storage/Repos.hs +++ b/Rakka/Storage/Repos.hs @@ -1,11 +1,17 @@ module Rakka.Storage.Repos ( findAllPagesInRevision + , getDirContentsInRevision , findChangedPagesAtRevision , loadPageInRepository , putPageIntoRepository + , deletePageFromRepository + , loadAttachmentInRepository + , putAttachmentIntoRepository ) where +import Codec.Binary.UTF8.String +import Control.Exception import Control.Monad import Data.List import qualified Data.Map as M @@ -14,23 +20,40 @@ import Data.Set (Set) import qualified Data.Set as S hiding (Set) import Data.Time import Network.HTTP.Lucu hiding (redirect) +import Rakka.Attachment import Rakka.Page import Rakka.SystemConfig import Rakka.Utils import Rakka.W3CDateTime -import Subversion.Types +import Subversion.Error import Subversion.FileSystem import Subversion.FileSystem.DirEntry import Subversion.FileSystem.Revision import Subversion.FileSystem.Root import Subversion.FileSystem.Transaction import Subversion.Repository +import Subversion.Types import System.FilePath.Posix mkPagePath :: PageName -> FilePath mkPagePath name - = "pages" encodePageName name <.> "page" + = "/pages" encodePageName name <.> "page" + + +mkDirPath :: PageName -> FilePath +mkDirPath dir + = "/pages" encodePageName dir + + +mkAttachmentPath :: PageName -> String -> FilePath +mkAttachmentPath pName aName + = "/attachments" encodePageName pName <.> "page" aName + + +mkAttachmentDirPath :: PageName -> FilePath +mkAttachmentDirPath pName + = "/attachments" encodePageName pName <.> "page" findAllPagesInRevision :: Repository -> RevNum -> IO (Set PageName) @@ -64,6 +87,29 @@ findAllPagesInRevision repos rev decodePath = decodePageName . makeRelative root . dropExtension +getDirContentsInRevision :: Repository -> PageName -> Maybe RevNum -> IO (Set PageName) +getDirContentsInRevision repos dir rev + = do fs <- getRepositoryFS repos + rev' <- case rev of + Nothing -> getYoungestRev fs + Just r -> return r + withRevision fs rev' + $ do exists <- isDirectory path + if exists then + return . S.fromList =<< getDir' + else + return S.empty + where + path :: FilePath + path = mkDirPath dir + + getDir' :: Rev [PageName] + getDir' = getDirEntries path >>= return . map entToName + + entToName :: DirEntry -> PageName + entToName = (dir ) . decodePageName . dropExtension . entName + + findChangedPagesAtRevision :: Repository -> RevNum -> IO (Set PageName) findChangedPagesAtRevision repos rev = do fs <- getRepositoryFS repos @@ -89,22 +135,21 @@ loadPageInRepository repos name rev Just r -> return r withRevision fs rev' $ do exists <- isFile path - case exists of - True - -> return . Just =<< loadPage' - False - -> return Nothing + if exists then + return . Just =<< loadPage' + else + return Nothing where path :: FilePath path = mkPagePath name loadPage' :: Rev Page - loadPage' = do redirect <- getNodeProp path "rakka:redirect" - case redirect of - Nothing - -> loadPageEntity - Just _ + loadPage' = do mType <- liftM (fmap (read . chomp)) (getNodeProp path "svn:mime-type") + case mType of + Just (MIMEType "application" "x-rakka-redirection" _) -> loadPageRedirect + _ + -> loadPageEntity loadPageEntity :: Rev Page loadPageEntity @@ -124,11 +169,9 @@ loadPageInRepository repos name rev entityName = name , entityType = mimeType , entityLanguage = fmap chomp (lookup "rakka:lang" props) - , entityFileName = fmap chomp (lookup "rakka:fileName" props) , entityIsTheme = any ((== "rakka:isTheme") . fst) props , entityIsFeed = any ((== "rakka:isFeed") . fst) props , entityIsLocked = any ((== "rakka:isLocked") . fst) props - , entityIsBoring = any ((== "rakka:isBoring") . fst) props , entityIsBinary = case mimeType of MIMEType "text" _ _ -> any ((== "rakka:isBinary") . fst) props @@ -146,51 +189,103 @@ loadPageInRepository repos name rev } loadPageRedirect :: Rev Page - loadPageRedirect = fail "FIXME: loadPageRedirect: not implemented" + loadPageRedirect + = do hist <- getNodeHistory True path + content <- getFileContents path + let pageRev = fst $ head hist + dest = chomp $ decodeString content -putPageIntoRepository :: Repository -> Page -> IO StatusCode -putPageIntoRepository repos page - = do let Just ui = pageUpdateInfo page - name = pageName page - ret <- doReposTxn - repos - (uiOldRevision ui) - "[Rakka]" - (Just "Automatic commit by Rakka for page updating") - $ do case uiOldName ui of - Nothing -> return () - Just oldName -> renamePage oldName name - createPageIfNeeded name - updatePage name - case ret of - Left _ -> - return Conflict - Right _ -> - return Created + lastMod <- getRevisionProp "svn:date" + >>= return . fromJust . parseW3CDateTime . chomp . fromJust + + isLocked <- getRevisionProp "rakka:isLocked" + >>= return . isJust + + return Redirection { + redirName = name + , redirDest = dest + , redirIsLocked = isLocked + , redirRevision = pageRev + , redirLastMod = zonedTimeToUTC lastMod + , redirUpdateInfo = undefined + } + + +putPageIntoRepository :: Repository -> Maybe String -> Page -> IO StatusCode +putPageIntoRepository repos userID page + = filterSvnError $ + do let name = pageName page + author = fromMaybe "[Rakka]" userID + case pageUpdateInfo page of + Just ui + -> do let oldRev = uiOldRevision ui + denied <- case uiOldName ui of + Nothing -> checkDenial oldRev name + Just oldName -> checkDenial oldRev oldName + if denied then + return Forbidden + else + do ret <- doReposTxn + repos + (uiOldRevision ui) + author + (Just "Automatic commit by Rakka for page update") + $ do case uiOldName ui of + Nothing -> return () + Just oldName -> movePage (uiOldRevision ui) oldName name + >> + moveAttachments (uiOldRevision ui) oldName name + updatePage name + case ret of + Left _ -> return Conflict + Right _ -> return Created + Nothing + -> do fs <- getRepositoryFS repos + rev <- getYoungestRev fs + ret <- doReposTxn + repos + rev + author + (Just "Automatic commit by Rakka for page creation") + $ do createPage name + updatePage name + case ret of + Left _ -> return Conflict + Right _ -> return Created where - renamePage :: PageName -> PageName -> Txn () - renamePage oldName newName - = fail "FIXME: renamePage: not implemented yet" + checkDenial :: RevNum -> PageName -> IO Bool + checkDenial rev name + = do fs <- getRepositoryFS repos + withRevision fs rev + $ do prop <- getNodeProp (mkPagePath name) "rakka:isLocked" + case prop of + Just _ -> return (isNothing userID) -- 施錠されてゐるので匿名では駄目 + Nothing -> return False + + movePage :: RevNum -> PageName -> PageName -> Txn () + movePage oldRev oldName newName + = do let oldPath = mkPagePath oldName + newPath = mkPagePath newName + createParentDirectories newPath + copyEntry oldRev oldPath newPath + deleteEntry oldPath + deleteEmptyParentDirectories oldPath - createPageIfNeeded :: PageName -> Txn () - createPageIfNeeded name + moveAttachments :: RevNum -> PageName -> PageName -> Txn () + moveAttachments oldRev oldName newName + = do let oldPath = mkAttachmentDirPath oldName + newPath = mkAttachmentDirPath newName + createParentDirectories newPath + copyEntry oldRev oldPath newPath + deleteEntry oldPath + deleteEmptyParentDirectories oldPath + + createPage :: PageName -> Txn () + createPage name = do let path = mkPagePath name - kind <- checkPath path - case kind of - NoNode -> do createParentDirectories path - makeFile path - FileNode -> return () - DirNode -> fail ("createPageIfNeeded: already exists a directory: " ++ path) - - createParentDirectories :: FilePath -> Txn () - createParentDirectories path - = do let parentPath = takeDirectory path - kind <- checkPath parentPath - case kind of - NoNode -> createParentDirectories parentPath - FileNode -> fail ("createParentDirectories: already exists a file: " ++ parentPath) - DirNode -> return () + createParentDirectories path + makeFile path updatePage :: PageName -> Txn () updatePage name @@ -200,18 +295,25 @@ putPageIntoRepository repos page updatePageRedirect :: PageName -> Txn () updatePageRedirect name - = fail "FIXME: updatePageRedirect: not implemented yet" + = do let path = mkPagePath name + setNodeProp path "svn:mime-type" (Just "application/x-rakka-redirection") + setNodeProp path "rakka:lang" Nothing + setNodeProp path "rakka:isTheme" Nothing + setNodeProp path "rakka:isFeed" Nothing + setNodeProp path "rakka:isLocked" (encodeFlag $ redirIsLocked page) + setNodeProp path "rakka:isBinary" Nothing + setNodeProp path "rakka:summary" Nothing + setNodeProp path "rakka:otherLang" Nothing + applyText path Nothing (encodeString (redirDest page) ++ "\n") updatePageEntity :: PageName -> Txn () updatePageEntity name = do let path = mkPagePath name setNodeProp path "svn:mime-type" ((Just . show . entityType) page) setNodeProp path "rakka:lang" (entityLanguage page) - setNodeProp path "rakka:fileName" (entityFileName page) setNodeProp path "rakka:isTheme" (encodeFlag $ entityIsTheme page) setNodeProp path "rakka:isFeed" (encodeFlag $ entityIsFeed page) setNodeProp path "rakka:isLocked" (encodeFlag $ entityIsLocked page) - setNodeProp path "rakka:isBoring" (encodeFlag $ entityIsBoring page) setNodeProp path "rakka:isBinary" (encodeFlag $ entityIsBinary page) setNodeProp path "rakka:summary" (entitySummary page) setNodeProp path "rakka:otherLang" (let otherLang = entityOtherLang page @@ -223,5 +325,130 @@ putPageIntoRepository repos page applyTextLBS path Nothing (entityContent page) encodeFlag :: Bool -> Maybe String - encodeFlag True = Just "*\n" + encodeFlag True = Just "*" encodeFlag False = Nothing + + +createParentDirectories :: FilePath -> Txn () +createParentDirectories path + = do let parentPath = takeDirectory path + kind <- checkPath parentPath + case kind of + NoNode -> do createParentDirectories parentPath + makeDirectory parentPath + FileNode -> fail ("createParentDirectories: already exists a file: " ++ parentPath) + DirNode -> return () + + +deletePageFromRepository :: Repository -> Maybe String -> PageName -> IO StatusCode +deletePageFromRepository repos userID name + = filterSvnError $ + do let pagePath = mkPagePath name + attachmentPath = mkAttachmentDirPath name + fs <- getRepositoryFS repos + rev <- getYoungestRev fs + status <- withRevision fs rev + $ do exists <- isFile pagePath + if exists then + do prop <- getNodeProp pagePath "rakka:isLocked" + return $ case prop of + Just _ + -> if isNothing userID then + -- 施錠されてゐるので匿名では駄目 + Forbidden + else + NoContent + Nothing + -> NoContent + else + return NotFound + when (status == NoContent) + $ do doReposTxn repos + rev + "[Rakka]" + (Just "Automatic commit by Rakka for page deleting") + $ do deleteEntry pagePath + deleteEmptyParentDirectories pagePath + + attachmentExists <- isDirectory attachmentPath + when attachmentExists + $ do deleteEntry attachmentPath + deleteEmptyParentDirectories attachmentPath + return () + return status + + +deleteEmptyParentDirectories :: FilePath -> Txn () +deleteEmptyParentDirectories path + = do let parentPath = takeDirectory path + contents <- getDirEntries parentPath + when (null contents) + $ do deleteEntry parentPath + deleteEmptyParentDirectories parentPath + + +loadAttachmentInRepository :: forall a. Attachment a => + Repository + -> PageName + -> String + -> Maybe RevNum + -> IO (Maybe a) +loadAttachmentInRepository repos pName aName rev + = do fs <- getRepositoryFS repos + rev' <- case rev of + Nothing -> getYoungestRev fs + Just r -> return r + withRevision fs rev' + $ do exists <- isFile path + if exists then + return . Just =<< loadAttachment' + else + return Nothing + where + path :: FilePath + path = mkAttachmentPath pName aName + + loadAttachment' :: Rev a + loadAttachment' = getFileContents path >>= return . deserializeFromString + + +putAttachmentIntoRepository :: Attachment a => + Repository + -> Maybe String + -> Maybe RevNum + -> PageName + -> String + -> a + -> IO StatusCode +putAttachmentIntoRepository repos userID oldRev pName aName attachment + = filterSvnError $ + do let author = fromMaybe "[Rakka]" userID + path = mkAttachmentPath pName aName + fs <- getRepositoryFS repos + oldRev' <- case oldRev of + Nothing -> getYoungestRev fs + Just r -> return r + ret <- doReposTxn + repos + oldRev' + author + (Just "Automatic commit by Rakka for putting attachment") + $ do exists <- isFile path + unless exists + $ do createParentDirectories path + makeFile path + applyText path Nothing (serializeToString attachment) + case ret of + Left _ -> return Conflict + Right _ -> return NoContent + + +filterSvnError :: IO a -> IO a +filterSvnError f = catchDyn f rethrow + where + rethrow :: SvnError -> IO a + rethrow err + = let code = svnErrCode err + msg = svnErrMsg err + in + fail $ "SvnError: " ++ (show code) ++ ": " ++ msg