Ejemplo n.º 1
0
  public void appendLock(DAVResource resource, DAVLock lock) throws DAVException {
    // TODO: add here authz check later
    FSFS fsfs = resource.getFSFS();
    String path = resource.getResourceURI().getPath();
    if (!resource.exists()) {
      SVNProperties revisionProps = new SVNProperties();
      revisionProps.put(SVNRevisionProperty.AUTHOR, resource.getUserName());
      DAVConfig config = resource.getRepositoryManager().getDAVConfig();
      if (resource.isSVNClient()) {
        throw new DAVException(
            "Subversion clients may not lock nonexistent paths.",
            HttpServletResponse.SC_METHOD_NOT_ALLOWED,
            DAVErrorCode.LOCK_SAVE_LOCK);
      } else if (!config.isAutoVersioning()) {
        throw new DAVException(
            "Attempted to lock non-existent path; turn on autoversioning first.",
            HttpServletResponse.SC_METHOD_NOT_ALLOWED,
            DAVErrorCode.LOCK_SAVE_LOCK);
      }

      long youngestRev = SVNRepository.INVALID_REVISION;
      try {
        youngestRev = resource.getLatestRevision();
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
            "Could not determine youngest revision",
            null);
      }

      FSTransactionInfo txnInfo = null;
      try {
        txnInfo = FSTransactionRoot.beginTransactionForCommit(youngestRev, revisionProps, fsfs);
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
            "Could not begin a transaction",
            null);
      }

      FSTransactionRoot root = null;
      try {
        root = fsfs.createTransactionRoot(txnInfo);
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
            "Could not begin a transaction",
            null);
      }

      FSCommitter committer =
          new FSCommitter(fsfs, root, txnInfo, resource.getLockTokens(), resource.getUserName());
      try {
        committer.makeFile(path);
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
            "Could not create empty file.",
            null);
      }

      try {
        DAVServletUtil.attachAutoRevisionProperties(txnInfo, path, fsfs);
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
            "Could not create empty file.",
            null);
      }

      StringBuffer conflictPath = new StringBuffer();
      try {
        committer.commitTxn(true, true, null, conflictPath);
      } catch (SVNException svne) {
        throw DAVException.convertError(
            svne.getErrorMessage(),
            HttpServletResponse.SC_CONFLICT,
            "Conflict when committing ''{0}''.",
            new Object[] {conflictPath.toString()});
      }
    }

    FSLock svnLock =
        convertDAVLockToSVNLock(
            lock, path, resource.isSVNClient(), ServletDAVHandler.getSAXParserFactory());
    try {
      fsfs.lockPath(
          path,
          svnLock.getID(),
          svnLock.getOwner(),
          svnLock.getComment(),
          svnLock.getExpirationDate(),
          myWorkingRevision,
          myIsStealLock,
          svnLock.isDAVComment());
    } catch (SVNException svne) {
      if (svne.getErrorMessage().getErrorCode() == SVNErrorCode.FS_NO_USER) {
        throw new DAVException(
            "Anonymous lock creation is not allowed.",
            HttpServletResponse.SC_UNAUTHORIZED,
            DAVErrorCode.LOCK_SAVE_LOCK);
      }
      throw DAVException.convertError(
          svne.getErrorMessage(),
          HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
          "Failed to create new lock.",
          null);
    }

    myOwner.setResponseHeader(
        HTTPHeader.CREATION_DATE_HEADER, SVNDate.formatDate(svnLock.getCreationDate()));
    myOwner.setResponseHeader(HTTPHeader.LOCK_OWNER_HEADER, svnLock.getOwner());
    // TODO: add logging here later
  }