Method doLock

java/org/apache/catalina/servlets/WebdavServlet.java:1408–1822

LOCK Method. @param req The Servlet request @param resp The Servlet response @throws ServletException If an error occurs @throws IOException If an IO error occurs

(HttpServletRequest req, HttpServletResponse resp)

     * @throws IOException      If an IO error occurs
     */
    protected void doLock(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        if (isReadOnly()) {
            resp.sendError(WebdavStatus.SC_FORBIDDEN);
            return;
        }

        String path = getRelativePath(req);

        WebResource resource = resources.getResource(path);
        if (!checkIfHeaders(req, resp, resource)) {
            resp.setStatus(HttpServletResponse.SC_PRECONDITION_FAILED);
            return;
        }

        LockInfo lock = new LockInfo(maxDepth);
        lock.principal = req.getRemoteUser();

        // Parsing lock request

        // Parsing depth header

        String depthStr = req.getHeader("Depth");

        if (depthStr == null) {
            lock.depth = maxDepth;
        } else {
            if (depthStr.equals("0")) {
                lock.depth = 0;
            } else if (depthStr.equals("infinity")) {
                lock.depth = maxDepth;
            } else {
                resp.sendError(WebdavStatus.SC_BAD_REQUEST);
                return;
            }
        }

        // Parsing timeout header (RFC 4918: comma-separated list, pick first acceptable)

        int lockDuration = DEFAULT_TIMEOUT;
        String lockDurationStr = req.getHeader("Timeout");
        if (lockDurationStr != null) {
            String[] timeoutValues = lockDurationStr.split(",");
            for (String tv : timeoutValues) {
                tv = tv.trim();
                if (tv.startsWith("Second-")) {
                    try {
                        int value = Integer.parseInt(tv.substring("Second-".length()));
                        if (value > 0) {
                            lockDuration = value;
                            break;
                        }
                    } catch (NumberFormatException e) {
                        // Try the next value if any
                    }
                } else if (tv.equals("Infinite")) {
                    lockDuration = MAX_TIMEOUT;
                    break;