+package org.argeo.cms.internal.http;
+
+import java.io.File;
+import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.Repository;
+import javax.jcr.Session;
+import javax.security.auth.Subject;
+import javax.security.auth.login.LoginContext;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.argeo.cms.CmsException;
+import org.argeo.cms.auth.HttpRequestCallbackHandler;
+import org.argeo.fm.jcr.JcrModel;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.node.NodeConstants;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTracker;
+
+import freemarker.template.Configuration;
+import freemarker.template.SimpleScalar;
+import freemarker.template.Template;
+import freemarker.template.TemplateExceptionHandler;
+
+public class HtmlServlet extends HttpServlet {
+ private static final long serialVersionUID = 2083925371199357045L;
+ static String base = System.getProperty("user.home") + File.separator + "dev" + File.separator + "work"
+ + File.separator + "ftl";
+ static Configuration cfg;
+ static {
+ try {
+ cfg = new Configuration(Configuration.VERSION_2_3_28);
+ cfg.setDirectoryForTemplateLoading(new File(base));
+ cfg.setDefaultEncoding("UTF-8");
+ cfg.setTemplateExceptionHandler(TemplateExceptionHandler.HTML_DEBUG_HANDLER);
+ cfg.setLogTemplateExceptions(false);
+ cfg.setWrapUncheckedExceptions(true);
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
+ private ServiceTracker<Repository, Repository> repositorySt;
+
+ private Repository repository;
+
+ @Override
+ public void init() throws ServletException {
+ repositorySt = new ServiceTracker<Repository, Repository>(bc, Repository.class, null) {
+
+ @Override
+ public Repository addingService(ServiceReference<Repository> reference) {
+ String cn = reference.getProperty(NodeConstants.CN).toString();
+ Repository repo = super.addingService(reference);
+ if (NodeConstants.NODE.equals(cn))
+ repository = repo;
+ return repo;
+ }
+
+ };
+ repositorySt.open();
+ }
+
+ @Override
+ public void destroy() {
+ if (repositorySt != null)
+ repositorySt.close();
+ }
+
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+ String path = req.getPathInfo();
+ String servletPath = req.getServletPath();
+ String[] p = path.split("/");
+
+ String basePath =servletPath+'/'+p[1];
+ String template = p[1] + ".ftl";
+ StringBuilder sb = new StringBuilder();
+ for (int i = 2; i < p.length; i++)
+ sb.append('/').append(p[i]);
+
+ Session session = null;
+ try {
+ LoginContext lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER,
+ new HttpRequestCallbackHandler(req, resp));
+ lc.login();
+ session = Subject.doAs(lc.getSubject(), new PrivilegedExceptionAction<Session>() {
+
+ @Override
+ public Session run() throws Exception {
+ Session session = repository.login();
+ return session;
+ }
+ });
+
+ Node node = session.getNode(sb.toString());
+
+ Template t = cfg.getTemplate(template);
+ Map<String, Object> root = new HashMap<>();
+ root.put("node", new JcrModel(node));
+ root.put("basePath", new SimpleScalar(basePath));
+
+ t.process(root, resp.getWriter());
+
+ resp.setContentType("text/html");
+ } catch (Exception e) {
+ throw new CmsException("Cannot log in", e);
+ } finally {
+ JcrUtils.logoutQuietly(session);
+ }
+ }
+
+}