package org.argeo.cms.internal.kernel;
-import static org.argeo.jackrabbit.servlet.WebdavServlet.INIT_PARAM_RESOURCE_CONFIG;
+import static javax.jcr.Property.JCR_DESCRIPTION;
+import static javax.jcr.Property.JCR_LAST_MODIFIED;
+import static javax.jcr.Property.JCR_TITLE;
+import static org.argeo.cms.CmsTypes.CMS_IMAGE;
import java.io.IOException;
+import java.io.PrintWriter;
+import java.security.PrivilegedExceptionAction;
import java.security.cert.X509Certificate;
+import java.util.Calendar;
+import java.util.Collection;
import java.util.Enumeration;
-import java.util.Properties;
-import java.util.StringTokenizer;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.security.auth.Subject;
import javax.servlet.FilterChain;
-import javax.servlet.Servlet;
import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
-import org.apache.commons.codec.binary.Base64;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.cms.CmsException;
-import org.argeo.jackrabbit.servlet.OpenInViewSessionProvider;
-import org.argeo.jackrabbit.servlet.RemotingServlet;
-import org.argeo.jackrabbit.servlet.WebdavServlet;
import org.argeo.jcr.ArgeoJcrConstants;
-import org.argeo.security.NodeAuthenticationToken;
-import org.eclipse.equinox.http.servlet.ExtendedHttpService;
-import org.osgi.service.http.NamespaceException;
-import org.springframework.security.authentication.AuthenticationManager;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
-import org.springframework.security.core.Authentication;
-import org.springframework.security.core.context.SecurityContext;
-import org.springframework.security.core.context.SecurityContextHolder;
+import org.argeo.jcr.JcrUtils;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.HttpService;
/**
* Intercepts and enriches http access, mainly focusing on security and
class NodeHttp implements KernelConstants, ArgeoJcrConstants {
private final static Log log = LogFactory.getLog(NodeHttp.class);
- private final static String ATTR_AUTH = "auth";
- private final static String HEADER_AUTHORIZATION = "Authorization";
- private final static String HEADER_WWW_AUTHENTICATE = "WWW-Authenticate";
-
- private final AuthenticationManager authenticationManager;
- private final ExtendedHttpService httpService;
-
- // FIXME Make it more unique
- private String httpAuthRealm = "Argeo";
-
// Filters
- private final RootFilter rootFilter;
+ // private final RootFilter rootFilter;
+
// private final DoSFilter dosFilter;
// private final QoSFilter qosFilter;
- // WebDav / JCR remoting
- private OpenInViewSessionProvider sessionProvider;
+ private BundleContext bc;
- NodeHttp(ExtendedHttpService httpService, JackrabbitNode node,
- NodeSecurity authenticationManager) {
- // this.bundleContext = bundleContext;
- this.authenticationManager = authenticationManager;
-
- this.httpService = httpService;
-
- // Filters
- rootFilter = new RootFilter();
+ NodeHttp(HttpService httpService, BundleContext bc) {
+ this.bc = bc;
+ // rootFilter = new RootFilter();
// dosFilter = new CustomDosFilter();
// qosFilter = new QoSFilter();
- // DAV
- sessionProvider = new OpenInViewSessionProvider();
-
- registerRepositoryServlets(ALIAS_NODE, node);
try {
- httpService.registerFilter("/", rootFilter, null, null);
+ httpService.registerServlet("/!", new LinkServlet(), null, null);
+ httpService.registerServlet("/robots.txt", new RobotServlet(), null, null);
} catch (Exception e) {
- throw new CmsException(
- "Could not register root filter", e);
+ throw new CmsException("Cannot register filters", e);
}
}
public void destroy() {
- sessionProvider.destroy();
- unregisterRepositoryServlets(ALIAS_NODE);
}
- void registerRepositoryServlets(String alias, Repository repository) {
- try {
- registerWebdavServlet(alias, repository, true);
- registerWebdavServlet(alias, repository, false);
- registerRemotingServlet(alias, repository, true);
- registerRemotingServlet(alias, repository, false);
- } catch (Exception e) {
- throw new CmsException(
- "Could not register servlets for repository " + alias, e);
- }
- }
+ class LinkServlet extends HttpServlet {
+ private static final long serialVersionUID = 3749990143146845708L;
- void unregisterRepositoryServlets(String alias) {
- // FIXME unregister servlets
- }
+ @Override
+ protected void service(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ String path = request.getPathInfo();
+ String userAgent = request.getHeader("User-Agent").toLowerCase();
+ boolean isBot = false;
+ boolean isCompatibleBrowser = false;
+ if (userAgent.contains("bot") || userAgent.contains("facebook") || userAgent.contains("twitter")) {
+ isBot = true;
+ } else if (userAgent.contains("webkit") || userAgent.contains("gecko") || userAgent.contains("firefox")
+ || userAgent.contains("msie") || userAgent.contains("chrome") || userAgent.contains("chromium")
+ || userAgent.contains("opera") || userAgent.contains("browser")) {
+ isCompatibleBrowser = true;
+ }
- void registerWebdavServlet(String alias, Repository repository,
- boolean anonymous) throws NamespaceException, ServletException {
- WebdavServlet webdavServlet = new WebdavServlet(repository,
- sessionProvider);
- String pathPrefix = anonymous ? WEBDAV_PUBLIC : WEBDAV_PRIVATE;
- String path = pathPrefix + "/" + alias;
- Properties ip = new Properties();
- ip.setProperty(INIT_PARAM_RESOURCE_CONFIG, WEBDAV_CONFIG);
- ip.setProperty(WebdavServlet.INIT_PARAM_RESOURCE_PATH_PREFIX, path);
- httpService.registerFilter(path, anonymous ? new AnonymousFilter()
- : new DavFilter(), null, null);
- // Cast to servlet because of a weird behaviour in Eclipse
- httpService.registerServlet(path, (Servlet) webdavServlet, ip, null);
- }
+ if (isBot) {
+ log.warn("# BOT " + request.getHeader("User-Agent"));
+ canonicalAnswer(request, response, path);
+ return;
+ }
- void registerRemotingServlet(String alias, Repository repository,
- boolean anonymous) throws NamespaceException, ServletException {
- String pathPrefix = anonymous ? REMOTING_PUBLIC : REMOTING_PRIVATE;
- RemotingServlet remotingServlet = new RemotingServlet(repository,
- sessionProvider);
- String path = pathPrefix + "/" + alias;
- Properties ip = new Properties();
- ip.setProperty(RemotingServlet.INIT_PARAM_RESOURCE_PATH_PREFIX, path);
-
- // Looks like a bug in Jackrabbit remoting init
- ip.setProperty(RemotingServlet.INIT_PARAM_HOME,
- KernelUtils.getOsgiInstanceDir() + "/tmp/jackrabbit");
- ip.setProperty(RemotingServlet.INIT_PARAM_TMP_DIRECTORY, "remoting");
- // Cast to servlet because of a weird behaviour in Eclipse
- httpService.registerFilter(path, anonymous ? new AnonymousFilter()
- : new DavFilter(), null, null);
- httpService.registerServlet(path, (Servlet) remotingServlet, ip, null);
- }
+ if (isCompatibleBrowser && log.isTraceEnabled())
+ log.trace("# BWS " + request.getHeader("User-Agent"));
+ redirectTo(response, "/#" + path);
+ }
- private Boolean isSessionAuthenticated(HttpSession httpSession) {
- SecurityContext contextFromSession = (SecurityContext) httpSession
- .getAttribute(SPRING_SECURITY_CONTEXT_KEY);
- return contextFromSession != null;
- }
+ private void redirectTo(HttpServletResponse response, String location) {
+ response.setHeader("Location", location);
+ response.setStatus(HttpServletResponse.SC_FOUND);
+ }
- private void requestBasicAuth(HttpSession httpSession,
- HttpServletResponse response) {
- response.setStatus(401);
- response.setHeader(HEADER_WWW_AUTHENTICATE, "basic realm=\""
- + httpAuthRealm + "\"");
- httpSession.setAttribute(ATTR_AUTH, Boolean.TRUE);
- }
+ // private boolean canonicalAnswerNeededBy(HttpServletRequest request) {
+ // String userAgent = request.getHeader("User-Agent").toLowerCase();
+ // return userAgent.startsWith("facebookexternalhit/");
+ // }
+
+ /** For bots which don't understand RWT. */
+ private void canonicalAnswer(HttpServletRequest request, HttpServletResponse response, String path) {
+ Session session = null;
+ try {
+ PrintWriter writer = response.getWriter();
+ session = Subject.doAs(KernelUtils.anonymousLogin(), new PrivilegedExceptionAction<Session>() {
+
+ @Override
+ public Session run() throws Exception {
+ Collection<ServiceReference<Repository>> srs = bc.getServiceReferences(Repository.class, "("
+ + ArgeoJcrConstants.JCR_REPOSITORY_ALIAS + "=" + ArgeoJcrConstants.ALIAS_NODE + ")");
+ Repository repository = bc.getService(srs.iterator().next());
+ return repository.login();
+ }
- private NodeAuthenticationToken basicAuth(String authHeader) {
- if (authHeader != null) {
- StringTokenizer st = new StringTokenizer(authHeader);
- if (st.hasMoreTokens()) {
- String basic = st.nextToken();
- if (basic.equalsIgnoreCase("Basic")) {
- try {
- String credentials = new String(Base64.decodeBase64(st
- .nextToken()), "UTF-8");
- // log.debug("Credentials: " + credentials);
- int p = credentials.indexOf(":");
- if (p != -1) {
- String login = credentials.substring(0, p).trim();
- String password = credentials.substring(p + 1)
- .trim();
-
- return new NodeAuthenticationToken(login,
- password.toCharArray());
- } else {
- throw new CmsException(
- "Invalid authentication token");
- }
- } catch (Exception e) {
- throw new CmsException(
- "Couldn't retrieve authentication", e);
+ });
+ Node node = session.getNode(path);
+ String title = node.hasProperty(JCR_TITLE) ? node.getProperty(JCR_TITLE).getString() : node.getName();
+ String desc = node.hasProperty(JCR_DESCRIPTION) ? node.getProperty(JCR_DESCRIPTION).getString() : null;
+ Calendar lastUpdate = node.hasProperty(JCR_LAST_MODIFIED)
+ ? node.getProperty(JCR_LAST_MODIFIED).getDate() : null;
+ String url = KernelUtils.getCanonicalUrl(node, request);
+ String imgUrl = null;
+ loop: for (NodeIterator it = node.getNodes(); it.hasNext();) {
+ // Takes the first found cms:image
+ Node child = it.nextNode();
+ if (child.isNodeType(CMS_IMAGE)) {
+ imgUrl = KernelUtils.getDataUrl(child, request);
+ break loop;
}
}
+ StringBuilder buf = new StringBuilder();
+ buf.append("<html>");
+ buf.append("<head>");
+ writeMeta(buf, "og:title", escapeHTML(title));
+ writeMeta(buf, "og:type", "website");
+ buf.append("<meta name='twitter:card' content='summary' />");
+ buf.append("<meta name='twitter:site' content='@argeo_org' />");
+ writeMeta(buf, "og:url", url);
+ if (desc != null)
+ writeMeta(buf, "og:description", escapeHTML(desc));
+ if (imgUrl != null)
+ writeMeta(buf, "og:image", imgUrl);
+ if (lastUpdate != null)
+ writeMeta(buf, "og:updated_time", Long.toString(lastUpdate.getTime().getTime()));
+ buf.append("</head>");
+ buf.append("<body>");
+ buf.append(
+ "<p><b>!! This page is meant for indexing robots, not for real people," + " visit <a href='/#")
+ .append(path).append("'>").append(escapeHTML(title)).append("</a> instead.</b></p>");
+ writeCanonical(buf, node);
+ buf.append("</body>");
+ buf.append("</html>");
+ writer.print(buf.toString());
+
+ response.setHeader("Content-Type", "text/html");
+ writer.flush();
+ } catch (Exception e) {
+ throw new CmsException("Cannot write canonical answer", e);
+ } finally {
+ JcrUtils.logoutQuietly(session);
+ }
+ }
+
+ /**
+ * From
+ * http://stackoverflow.com/questions/1265282/recommended-method-for-
+ * escaping-html-in-java (+ escaping '). TODO Use
+ * org.apache.commons.lang.StringEscapeUtils
+ */
+ private String escapeHTML(String s) {
+ StringBuilder out = new StringBuilder(Math.max(16, s.length()));
+ for (int i = 0; i < s.length(); i++) {
+ char c = s.charAt(i);
+ if (c > 127 || c == '\'' || c == '"' || c == '<' || c == '>' || c == '&') {
+ out.append("&#");
+ out.append((int) c);
+ out.append(';');
+ } else {
+ out.append(c);
+ }
+ }
+ return out.toString();
+ }
+
+ private void writeMeta(StringBuilder buf, String tag, String value) {
+ buf.append("<meta property='").append(tag).append("' content='").append(value).append("'/>");
+ }
+
+ private void writeCanonical(StringBuilder buf, Node node) throws RepositoryException {
+ buf.append("<div>");
+ if (node.hasProperty(JCR_TITLE))
+ buf.append("<p>").append(node.getProperty(JCR_TITLE).getString()).append("</p>");
+ if (node.hasProperty(JCR_DESCRIPTION))
+ buf.append("<p>").append(node.getProperty(JCR_DESCRIPTION).getString()).append("</p>");
+ NodeIterator children = node.getNodes();
+ while (children.hasNext()) {
+ writeCanonical(buf, children.nextNode());
}
+ buf.append("</div>");
}
- throw new CmsException("Couldn't retrieve authentication");
+ }
+
+ class RobotServlet extends HttpServlet {
+ private static final long serialVersionUID = 7935661175336419089L;
+
+ @Override
+ protected void service(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ PrintWriter writer = response.getWriter();
+ writer.append("User-agent: *\n");
+ writer.append("Disallow:\n");
+ response.setHeader("Content-Type", "text/plain");
+ writer.flush();
+ }
+
}
/** Intercepts all requests. Authenticates. */
class RootFilter extends HttpFilter {
@Override
- public void doFilter(HttpSession httpSession,
- HttpServletRequest request, HttpServletResponse response,
+ public void doFilter(HttpSession httpSession, HttpServletRequest request, HttpServletResponse response,
FilterChain filterChain) throws IOException, ServletException {
- if (log.isTraceEnabled())
+ if (log.isTraceEnabled()) {
+ log.trace(request.getRequestURL()
+ .append(request.getQueryString() != null ? "?" + request.getQueryString() : ""));
logRequest(request);
+ }
String servletPath = request.getServletPath();
}
// redirect long RWT paths to anchor
- String path = request.getRequestURI().substring(
- servletPath.length());
+ String path = request.getRequestURI().substring(servletPath.length());
int pathLength = path.length();
- if (pathLength != 0 && (path.charAt(0) == '/')
- && !servletPath.endsWith("rwt-resources")
- && !path.equals("/")) {
+ if (pathLength != 0 && (path.charAt(0) == '/') && !servletPath.endsWith("rwt-resources")
+ && !path.startsWith(KernelConstants.PATH_WORKBENCH) && path.lastIndexOf('/') != 0) {
String newLocation = request.getServletPath() + "#" + path;
response.setHeader("Location", newLocation);
response.setStatus(HttpServletResponse.SC_FOUND);
}
private void logRequest(HttpServletRequest request) {
- log.debug(request.getContextPath());
- log.debug(request.getServletPath());
- log.debug(request.getRequestURI());
- log.debug(request.getQueryString());
+ log.debug("contextPath=" + request.getContextPath());
+ log.debug("servletPath=" + request.getServletPath());
+ log.debug("requestURI=" + request.getRequestURI());
+ log.debug("queryString=" + request.getQueryString());
StringBuilder buf = new StringBuilder();
// headers
Enumeration<String> en = request.getHeaderNames();
}
private X509Certificate extractCertificate(HttpServletRequest req) {
- X509Certificate[] certs = (X509Certificate[]) req
- .getAttribute("javax.servlet.request.X509Certificate");
+ X509Certificate[] certs = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
if (null != certs && certs.length > 0) {
return certs[0];
}
return null;
}
- /** Intercepts all requests. Authenticates. */
- private class AnonymousFilter extends HttpFilter {
- @Override
- public void doFilter(HttpSession httpSession,
- HttpServletRequest request, HttpServletResponse response,
- FilterChain filterChain) throws IOException, ServletException {
-
- // Authenticate from session
- if (isSessionAuthenticated(httpSession)) {
- filterChain.doFilter(request, response);
- return;
- }
-
- KernelUtils.anonymousLogin(authenticationManager);
- filterChain.doFilter(request, response);
- }
- }
-
- /** Intercepts all requests. Authenticates. */
- private class DavFilter extends HttpFilter {
-
- @Override
- public void doFilter(HttpSession httpSession,
- HttpServletRequest request, HttpServletResponse response,
- FilterChain filterChain) throws IOException, ServletException {
-
- // Authenticate from session
- // if (isSessionAuthenticated(httpSession)) {
- // filterChain.doFilter(request, response);
- // return;
- // }
-
- // Process basic auth
- String basicAuth = request.getHeader(HEADER_AUTHORIZATION);
- if (basicAuth != null) {
- UsernamePasswordAuthenticationToken token = basicAuth(basicAuth);
- Authentication auth = authenticationManager.authenticate(token);
- SecurityContextHolder.getContext().setAuthentication(auth);
- httpSession.setAttribute(SPRING_SECURITY_CONTEXT_KEY,
- SecurityContextHolder.getContext());
- httpSession.setAttribute(ATTR_AUTH, Boolean.FALSE);
- filterChain.doFilter(request, response);
- return;
- }
-
- requestBasicAuth(httpSession, response);
- }
- }
-
// class CustomDosFilter extends DoSFilter {
// @Override
// protected String extractUserId(ServletRequest request) {
projects / lgpl / argeo-commons.git / blobdiff