Examples with DavContext com.zimbra.cs.dav.DavContext used on opensource projects

Example 1 with DavContext

use of com.zimbra.cs.dav.DavContext in project zm-mailbox by Zimbra.

the class Lock method handle.

@Override
public void handle(DavContext ctxt) throws DavException, IOException, ServiceException {
    LockMgr lockmgr = LockMgr.getInstance();
    LockMgr.Lock lock = null;
    if (ctxt.hasRequestMessage()) {
        DavContext.Depth depth = ctxt.getDepth();
        if (depth == Depth.one)
            throw new DavException("invalid depth", HttpServletResponse.SC_BAD_REQUEST, null);
        String d = (depth == Depth.zero) ? "0" : depth.toString();
        LockMgr.LockScope scope = LockScope.shared;
        LockMgr.LockType type = LockType.write;
        Document req = ctxt.getRequestMessage();
        Element top = req.getRootElement();
        if (!top.getName().equals(DavElements.P_LOCKINFO))
            throw new DavException("msg " + top.getName() + " not allowed in LOCK", HttpServletResponse.SC_BAD_REQUEST, null);
        Element e = top.element(DavElements.E_LOCKSCOPE);
        @SuppressWarnings("unchecked") List<Element> ls = e.elements();
        for (Element v : ls) {
            if (v.getQName().equals(DavElements.E_EXCLUSIVE))
                scope = LockScope.exclusive;
            else if (v.getQName().equals(DavElements.E_SHARED))
                scope = LockScope.shared;
            else
                throw new DavException("unrecognized scope element " + v.toString(), HttpServletResponse.SC_BAD_REQUEST, null);
        }
        e = top.element(DavElements.E_LOCKTYPE);
        @SuppressWarnings("unchecked") List<Element> lt = e.elements();
        for (Element v : lt) {
            if (v.getQName().equals(DavElements.E_WRITE))
                type = LockType.write;
            else
                throw new DavException("unrecognized type element " + v.toString(), HttpServletResponse.SC_BAD_REQUEST, null);
        }
        String owner;
        e = top.element(DavElements.E_OWNER);
        if (e != null && e.elementIterator(DavElements.E_HREF).hasNext()) {
            Element ownerElem = (Element) e.elementIterator(DavElements.E_HREF).next();
            owner = ownerElem.getText();
        } else {
            owner = ctxt.getAuthAccount().getName();
        }
        lock = lockmgr.createLock(ctxt, owner, ctxt.getUri(), type, scope, d);
        ctxt.getResponse().addHeader(DavProtocol.HEADER_LOCK_TOKEN, lock.toLockTokenHeader());
    } else {
        // refresh lock
        String token = ctxt.getRequest().getHeader(DavProtocol.HEADER_IF);
        if (token == null) {
            throw new DavException("no request body", HttpServletResponse.SC_BAD_REQUEST, null);
        }
        token = token.trim();
        int len = token.length();
        if (token.charAt(0) == '(' && token.charAt(len - 1) == ')') {
            token = token.substring(1, len - 1);
        }
        List<LockMgr.Lock> locks = lockmgr.getLocks(ctxt.getUri());
        for (LockMgr.Lock l : locks) {
            if (l.token.equals(LockMgr.Lock.parseLockTokenHeader(token))) {
                l.extendExpiration();
                lock = l;
                break;
            }
        }
        if (lock == null) {
            throw new DavException("Lock does not exist", HttpServletResponse.SC_PRECONDITION_FAILED, null);
        }
    }
    ctxt.getDavResponse().addProperty(ctxt, new LockDiscovery(lock));
    ctxt.setStatus(HttpServletResponse.SC_OK);
    sendResponse(ctxt);
}

Example 2 with DavContext

use of com.zimbra.cs.dav.DavContext in project zm-mailbox by Zimbra.

the class DavServlet method service.

@Override
public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    ZimbraLog.clearContext();
    addRemoteIpToLoggingContext(req);
    ZimbraLog.addUserAgentToContext(req.getHeader(DavProtocol.HEADER_USER_AGENT));
    //bug fix - send 400 for Range requests
    String rangeHeader = req.getHeader(DavProtocol.HEADER_RANGE);
    if (null != rangeHeader) {
        sendError(resp, HttpServletResponse.SC_BAD_REQUEST, "Range header not supported", null, Level.debug);
        return;
    }
    RequestType rtype = getAllowedRequestType(req);
    ZimbraLog.dav.debug("Allowable request types %s", rtype);
    if (rtype == RequestType.none) {
        sendError(resp, HttpServletResponse.SC_NOT_ACCEPTABLE, "Not an allowed request type", null, Level.debug);
        return;
    }
    logRequestInfo(req);
    Account authUser = null;
    DavContext ctxt;
    try {
        AuthToken at = AuthProvider.getAuthToken(req, false);
        if (at != null && (at.isExpired() || !at.isRegistered())) {
            at = null;
        }
        if (at != null && (rtype == RequestType.both || rtype == RequestType.authtoken)) {
            authUser = Provisioning.getInstance().get(AccountBy.id, at.getAccountId());
        } else if (at == null && (rtype == RequestType.both || rtype == RequestType.password)) {
            AuthUtil.AuthResult result = AuthUtil.basicAuthRequest(req, resp, true, this);
            if (result.sendErrorCalled) {
                logResponseInfo(resp);
                return;
            }
            authUser = result.authorizedAccount;
        }
        if (authUser == null) {
            try {
                sendError(resp, HttpServletResponse.SC_UNAUTHORIZED, "Authentication failed", null, Level.debug);
            } catch (Exception e) {
            }
            return;
        }
        ZimbraLog.addToContext(ZimbraLog.C_ANAME, authUser.getName());
        ctxt = new DavContext(req, resp, authUser);
    } catch (AuthTokenException e) {
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "error getting authenticated user", e);
        return;
    } catch (ServiceException e) {
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "error getting authenticated user", e);
        return;
    }
    DavMethod method = sMethods.get(req.getMethod());
    if (method == null) {
        setAllowHeader(resp);
        sendError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, "Not an allowed method", null, Level.debug);
        return;
    }
    long t0 = System.currentTimeMillis();
    CacheStates cache = null;
    try {
        if (ZimbraLog.dav.isDebugEnabled()) {
            try {
                Upload upload = ctxt.getUpload();
                if (upload.getSize() > 0 && upload.getContentType().startsWith("text")) {
                    if (ZimbraLog.dav.isDebugEnabled()) {
                        StringBuilder logMsg = new StringBuilder("REQUEST\n").append(new String(ByteUtil.readInput(upload.getInputStream(), -1, 20480), "UTF-8"));
                        ZimbraLog.dav.debug(logMsg.toString());
                    }
                }
            } catch (DavException de) {
                throw de;
            } catch (Exception e) {
                ZimbraLog.dav.debug("ouch", e);
            }
        }
        cache = checkCachedResponse(ctxt, authUser);
        if (!ctxt.isResponseSent() && !isProxyRequest(ctxt, method)) {
            method.checkPrecondition(ctxt);
            method.handle(ctxt);
            method.checkPostcondition(ctxt);
            if (!ctxt.isResponseSent()) {
                resp.setStatus(ctxt.getStatus());
            }
        }
        if (!ctxt.isResponseSent()) {
            logResponseInfo(resp);
        }
    } catch (DavException e) {
        if (e.getCause() instanceof MailServiceException.NoSuchItemException || e.getStatus() == HttpServletResponse.SC_NOT_FOUND)
            ZimbraLog.dav.info(ctxt.getUri() + " not found");
        else if (e.getStatus() == HttpServletResponse.SC_MOVED_TEMPORARILY || e.getStatus() == HttpServletResponse.SC_MOVED_PERMANENTLY)
            ZimbraLog.dav.info("sending redirect");
        try {
            if (e.isStatusSet()) {
                resp.setStatus(e.getStatus());
                if (e.hasErrorMessage())
                    e.writeErrorMsg(resp.getOutputStream());
                if (ZimbraLog.dav.isDebugEnabled()) {
                    ZimbraLog.dav.info("sending http error %d because: %s", e.getStatus(), e.getMessage(), e);
                } else {
                    ZimbraLog.dav.info("sending http error %d because: %s", e.getStatus(), e.getMessage());
                }
                if (e.getCause() != null)
                    ZimbraLog.dav.debug("exception: ", e.getCause());
            } else {
                sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "error handling method " + method.getName(), e);
            }
        } catch (IllegalStateException ise) {
            ZimbraLog.dav.debug("can't write error msg", ise);
        }
    } catch (ServiceException e) {
        if (e instanceof MailServiceException.NoSuchItemException) {
            sendError(resp, HttpServletResponse.SC_NOT_FOUND, ctxt.getUri() + " not found", null, Level.info);
            return;
        }
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "error handling method " + method.getName(), e);
    } catch (Exception e) {
        try {
            sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "error handling method " + method.getName(), e);
        } catch (Exception ex) {
        }
    } finally {
        long t1 = System.currentTimeMillis();
        ZimbraLog.dav.info("DavServlet operation " + method.getName() + " to " + req.getPathInfo() + " (depth: " + ctxt.getDepth().name() + ") finished in " + (t1 - t0) + "ms");
        if (cache != null)
            cacheCleanUp(ctxt, cache);
        ctxt.cleanup();
    }
}

Example 3 with DavContext

use of com.zimbra.cs.dav.DavContext in project zm-mailbox by Zimbra.

the class UrlNamespace method getCollectionAtUrl.

/* Returns Collection at the specified URL. */
public static Collection getCollectionAtUrl(DavContext ctxt, String url) throws DavException {
    UrlComponents uc = parseUrl(url);
    int lastPos = uc.path.length() - 1;
    if (uc.path.endsWith("/"))
        lastPos--;
    int index = uc.path.lastIndexOf('/', lastPos);
    String path;
    if (index == -1)
        path = "/";
    else
        path = uc.path.substring(0, index);
    String user = uc.user;
    if (user == null)
        user = ctxt.getUser();
    DavResource rsc = getResourceAt(new DavContext(ctxt, path), user, path);
    if (rsc instanceof Collection)
        return (Collection) rsc;
    throw new DavException("invalid uri", HttpServletResponse.SC_NOT_FOUND, null);
}