Examples with AbstractNode org.structr.core.entity.AbstractNode used on opensource projects

Example 56 with AbstractNode

use of org.structr.core.entity.AbstractNode in project structr by structr.

the class HtmlServlet method findFirstNodeByName.

/**
 * Find first node whose name matches the last part of the given path
 *
 * @param securityContext
 * @param request
 * @param path
 * @return node
 * @throws FrameworkException
 */
private AbstractNode findFirstNodeByName(final SecurityContext securityContext, final HttpServletRequest request, final String path) throws FrameworkException {
    final String name = PathHelper.getName(path);
    if (!name.isEmpty()) {
        logger.debug("Requested name: {}", name);
        final Query query = StructrApp.getInstance(securityContext).nodeQuery();
        final ConfigurationProvider config = StructrApp.getConfiguration();
        if (!possiblePropertyNamesForEntityResolving.isEmpty()) {
            query.and();
            resolvePossiblePropertyNamesForObjectResolution(config, query, name);
            query.parent();
        }
        final Result results = query.getResult();
        logger.debug("{} results", results.size());
        request.setAttribute(POSSIBLE_ENTRY_POINTS_KEY, results.getResults());
        return (results.size() > 0 ? (AbstractNode) results.get(0) : null);
    }
    return null;
}

Example 57 with AbstractNode

use of org.structr.core.entity.AbstractNode in project structr by structr.

the class HtmlServlet method doHead.

@Override
protected void doHead(final HttpServletRequest request, final HttpServletResponse response) {
    final Authenticator auth = getConfig().getAuthenticator();
    SecurityContext securityContext;
    List<Page> pages = null;
    boolean requestUriContainsUuids = false;
    final App app;
    try {
        assertInitialized();
        String path = request.getPathInfo();
        // isolate request authentication in a transaction
        try (final Tx tx = StructrApp.getInstance().tx()) {
            securityContext = auth.initializeAndExamineRequest(request, response);
            tx.success();
        }
        app = StructrApp.getInstance(securityContext);
        try (final Tx tx = app.tx()) {
            // Ensure access mode is frontend
            securityContext.setAccessMode(AccessMode.Frontend);
            request.setCharacterEncoding("UTF-8");
            // Important: Set character encoding before calling response.getWriter() !!, see Servlet Spec 5.4
            response.setCharacterEncoding("UTF-8");
            response.setContentLength(0);
            boolean dontCache = false;
            logger.debug("Path info {}", path);
            // don't continue on redirects
            if (response.getStatus() == 302) {
                tx.success();
                return;
            }
            final Principal user = securityContext.getUser(false);
            if (user != null) {
                // Don't cache if a user is logged in
                dontCache = true;
            }
            final RenderContext renderContext = RenderContext.getInstance(securityContext, request, response);
            renderContext.setResourceProvider(config.getResourceProvider());
            final EditMode edit = renderContext.getEditMode(user);
            DOMNode rootElement = null;
            AbstractNode dataNode = null;
            String[] uriParts = PathHelper.getParts(path);
            if ((uriParts == null) || (uriParts.length == 0)) {
                // find a visible page
                rootElement = findIndexPage(securityContext, pages, edit);
                logger.debug("No path supplied, trying to find index page");
            } else {
                if (rootElement == null) {
                    rootElement = findPage(securityContext, pages, path, edit);
                } else {
                    dontCache = true;
                }
            }
            if (rootElement == null) {
                // No page found
                // Look for a file
                File file = findFile(securityContext, request, path);
                if (file != null) {
                    // streamFile(securityContext, file, request, response, edit);
                    tx.success();
                    return;
                }
                if (uriParts != null) {
                    // store remaining path parts in request
                    Matcher matcher = threadLocalUUIDMatcher.get();
                    for (int i = 0; i < uriParts.length; i++) {
                        request.setAttribute(uriParts[i], i);
                        matcher.reset(uriParts[i]);
                        // set to "true" if part matches UUID pattern
                        requestUriContainsUuids |= matcher.matches();
                    }
                }
                if (!requestUriContainsUuids) {
                    // Try to find a data node by name
                    dataNode = findFirstNodeByName(securityContext, request, path);
                } else {
                    dataNode = findNodeByUuid(securityContext, PathHelper.getName(path));
                }
                if (dataNode != null && !(dataNode instanceof Linkable)) {
                    // Last path part matches a data node
                    // Remove last path part and try again searching for a page
                    // clear possible entry points
                    request.removeAttribute(POSSIBLE_ENTRY_POINTS_KEY);
                    rootElement = findPage(securityContext, pages, StringUtils.substringBeforeLast(path, PathHelper.PATH_SEP), edit);
                    renderContext.setDetailsDataObject(dataNode);
                    // Start rendering on data node
                    if (rootElement == null && dataNode instanceof DOMNode) {
                        rootElement = ((DOMNode) dataNode);
                    }
                }
            }
            // look for pages with HTTP Basic Authentication (must be done as superuser)
            if (rootElement == null) {
                final HttpBasicAuthResult authResult = checkHttpBasicAuth(request, response, path);
                switch(authResult.authState()) {
                    // Element with Basic Auth found and authentication succeeded
                    case Authenticated:
                        final Linkable result = authResult.getRootElement();
                        if (result instanceof Page) {
                            rootElement = (DOMNode) result;
                            renderContext.pushSecurityContext(authResult.getSecurityContext());
                        } else if (result instanceof File) {
                            // streamFile(authResult.getSecurityContext(), (File)result, request, response, EditMode.NONE);
                            tx.success();
                            return;
                        }
                        break;
                    // Page with Basic Auth found but not yet authenticated
                    case MustAuthenticate:
                        tx.success();
                        return;
                    // no Basic Auth for given path, go on
                    case NoBasicAuth:
                        break;
                }
            }
            // Still nothing found, do error handling
            if (rootElement == null) {
                // Check if security context has set an 401 status
                if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
                    try {
                        UiAuthenticator.writeUnauthorized(response);
                    } catch (IllegalStateException ise) {
                    }
                } else {
                    rootElement = notFound(response, securityContext);
                }
            }
            if (rootElement == null) {
                // no content
                response.setContentLength(0);
                response.getOutputStream().close();
                tx.success();
                return;
            }
            // check dont cache flag on page (if root element is a page)
            // but don't modify true to false
            dontCache |= rootElement.dontCache();
            if (EditMode.WIDGET.equals(edit) || dontCache) {
                setNoCacheHeaders(response);
            }
            if (!securityContext.isVisible(rootElement)) {
                rootElement = notFound(response, securityContext);
                if (rootElement == null) {
                    tx.success();
                    return;
                }
            }
            if (securityContext.isVisible(rootElement)) {
                if (!EditMode.WIDGET.equals(edit) && !dontCache && notModifiedSince(request, response, rootElement, dontCache)) {
                    response.getOutputStream().close();
                } else {
                    // prepare response
                    response.setCharacterEncoding("UTF-8");
                    String contentType = rootElement.getProperty(StructrApp.key(Page.class, "contentType"));
                    if (contentType == null) {
                        // Default
                        contentType = "text/html;charset=UTF-8";
                    }
                    if (contentType.equals("text/html")) {
                        contentType = contentType.concat(";charset=UTF-8");
                    }
                    response.setContentType(contentType);
                    setCustomResponseHeaders(response);
                    response.getOutputStream().close();
                }
            } else {
                notFound(response, securityContext);
                response.getOutputStream().close();
            }
            tx.success();
        } catch (Throwable fex) {
            logger.error("Exception while processing request", fex);
        }
    } catch (FrameworkException t) {
        logger.error("Exception while processing request", t);
        UiAuthenticator.writeInternalServerError(response);
    }
}

Example 58 with AbstractNode

use of org.structr.core.entity.AbstractNode in project structr by structr.

the class AbstractCommand method getNode.

/**
 * Returns the node with the given id.
 *
 * @param id
 * @return the node
 */
public AbstractNode getNode(final String id) {
    final SecurityContext securityContext = getWebSocket().getSecurityContext();
    final App app = StructrApp.getInstance(securityContext);
    try (final Tx tx = app.tx()) {
        final AbstractNode node = (AbstractNode) app.getNodeById(id);
        tx.success();
        return node;
    } catch (FrameworkException fex) {
        logger.warn("Unable to get node", fex);
    }
    return null;
}

Example 59 with AbstractNode

use of org.structr.core.entity.AbstractNode in project structr by structr.

the class AppendChildCommand method processMessage.

@Override
public void processMessage(final WebSocketMessage webSocketData) {
    String id = webSocketData.getId();
    Map<String, Object> nodeData = webSocketData.getNodeData();
    String parentId = (String) nodeData.get("parentId");
    // check node to append
    if (id == null) {
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node, no id is given").build(), true);
        return;
    }
    // check for parent ID
    if (parentId == null) {
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot add node without parentId").build(), true);
        return;
    }
    // check if parent node with given ID exists
    AbstractNode parentNode = getNode(parentId);
    if (parentNode == null) {
        getWebSocket().send(MessageBuilder.status().code(404).message("Parent node not found").build(), true);
        return;
    }
    if (parentNode instanceof DOMNode) {
        DOMNode parentDOMNode = getDOMNode(parentId);
        if (parentDOMNode == null) {
            getWebSocket().send(MessageBuilder.status().code(422).message("Parent node is no DOM node").build(), true);
            return;
        }
        DOMNode node = (DOMNode) getDOMNode(id);
        // append node to parent
        if (node != null) {
            parentDOMNode.appendChild(node);
        }
    } else {
        // send exception
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot use given node, not instance of DOMNode").build(), true);
    }
}

Example 60 with AbstractNode

use of org.structr.core.entity.AbstractNode in project structr by structr.

the class AppendContentItemCommand method processMessage.

@Override
public void processMessage(final WebSocketMessage webSocketData) {
    String id = webSocketData.getId();
    Map<String, Object> nodeData = webSocketData.getNodeData();
    String parentId = (String) nodeData.get("parentId");
    // check node to append
    if (id == null) {
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node, no id is given").build(), true);
        return;
    }
    // check for parent ID
    if (parentId == null) {
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node without parentId").build(), true);
        return;
    }
    // never append to self
    if (parentId.equals(id)) {
        getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node as its own child.").build(), true);
        return;
    }
    // check if parent node with given ID exists
    AbstractNode parentNode = getNode(parentId);
    if (parentNode == null) {
        getWebSocket().send(MessageBuilder.status().code(404).message("Parent node not found").build(), true);
        return;
    }
    if (parentNode instanceof ContentContainer) {
        ContentContainer container = (ContentContainer) parentNode;
        ContentItem item = (ContentItem) getNode(id);
        if (item != null) {
            try {
                final List<ContentItem> items = container.getItems();
                items.add(item);
                container.setProperty(StructrApp.key(ContentContainer.class, "items"), items);
                TransactionCommand.registerNodeCallback(item, callback);
            } catch (FrameworkException ex) {
                logger.error("", ex);
                getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append content item").build(), true);
            }
        }
    } else {
        // send exception
        getWebSocket().send(MessageBuilder.status().code(422).message("Parent node is not instance of ContentContainer").build(), true);
    }
}