/*
- * Sone - JsonPage.java - Copyright © 2010 David Roden
+ * Sone - JsonPage.java - Copyright © 2010–2016 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
package net.pterodactylus.sone.web.ajax;
-import java.util.UUID;
+import static java.util.logging.Logger.getLogger;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.util.logging.Level;
+import java.util.logging.Logger;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.web.WebInterface;
-import net.pterodactylus.sone.web.page.Page;
-import net.pterodactylus.util.json.JsonObject;
-import net.pterodactylus.util.json.JsonUtils;
+import net.pterodactylus.sone.web.page.FreenetPage;
+import net.pterodactylus.sone.web.page.FreenetRequest;
+import net.pterodactylus.util.io.Closer;
+import net.pterodactylus.util.web.Page;
+import net.pterodactylus.util.web.Response;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
import freenet.clients.http.SessionManager.Session;
import freenet.clients.http.ToadletContext;
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public abstract class JsonPage implements Page {
+public abstract class JsonPage implements FreenetPage {
+
+ /** The logger. */
+ private static final Logger logger = getLogger(JsonPage.class.getName());
+
+ /** The JSON serializer. */
+ private static final ObjectMapper objectMapper = new ObjectMapper();
/** The path of the page. */
private final String path;
* session
*/
protected Session getCurrentSession(ToadletContext toadletContenxt) {
- return getCurrentSession(toadletContenxt, true);
+ return webInterface.getCurrentSession(toadletContenxt);
}
/**
* session
*/
protected Session getCurrentSession(ToadletContext toadletContenxt, boolean create) {
- try {
- Session session = webInterface.sessionManager().useSession(toadletContenxt);
- if (create && (session == null)) {
- session = webInterface.sessionManager().createSession(UUID.randomUUID().toString(), toadletContenxt);
- }
- return session;
- } catch (freenet.clients.http.RedirectException re1) {
- return null;
- }
+ return webInterface.getCurrentSession(toadletContenxt, create);
}
/**
* currently logged in
*/
protected Sone getCurrentSone(ToadletContext toadletContext) {
- Session session = getCurrentSession(toadletContext);
- if (session == null) {
- return null;
- }
- String soneId = (String) session.getAttribute("Sone.CurrentSone");
- if (soneId == null) {
- return null;
- }
- for (Sone sone : webInterface.core().getSones()) {
- if (sone.getId().equals(soneId)) {
- return sone;
- }
- }
- return null;
+ return webInterface.getCurrentSone(toadletContext);
+ }
+
+ /**
+ * Returns the currently logged in Sone.
+ *
+ * @param toadletContext
+ * The toadlet context
+ * @param create
+ * {@code true} to create a new session if no session exists,
+ * {@code false} to not create a new session
+ * @return The currently logged in Sone, or {@code null} if no Sone is
+ * currently logged in
+ */
+ protected Sone getCurrentSone(ToadletContext toadletContext, boolean create) {
+ return webInterface.getCurrentSone(toadletContext, create);
}
//
* The request to handle
* @return The created JSON object
*/
- protected abstract JsonObject createJsonObject(Request request);
+ protected abstract JsonReturnObject createJsonObject(FreenetRequest request);
/**
* Returns whether this command needs the form password for authentication
* @return {@code true} if the form password (given as “formPassword”) is
* required, {@code false} otherwise
*/
+ @SuppressWarnings("static-method")
protected boolean needsFormPassword() {
return true;
}
+ /**
+ * Returns whether this page requires the user to be logged in.
+ *
+ * @return {@code true} if the user needs to be logged in to use this page,
+ * {@code false} otherwise
+ */
+ @SuppressWarnings("static-method")
+ protected boolean requiresLogin() {
+ return true;
+ }
+
+ //
+ // PROTECTED METHODS
+ //
+
+ /**
+ * Creates a success reply.
+ *
+ * @return A reply signaling success
+ */
+ protected static JsonReturnObject createSuccessJsonObject() {
+ return new JsonReturnObject(true);
+ }
+
+ /**
+ * Creates an error reply.
+ *
+ * @param error
+ * The error that has occured
+ * @return The JSON object, signalling failure and the error code
+ */
+ protected static JsonReturnObject createErrorJsonObject(String error) {
+ return new JsonErrorReturnObject(error);
+ }
+
//
// PAGE METHODS
//
* {@inheritDoc}
*/
@Override
- public Response handleRequest(Request request) {
+ public boolean isPrefixPage() {
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Response handleRequest(FreenetRequest request, Response response) throws IOException {
+ if (webInterface.getCore().getPreferences().isRequireFullAccess() && !request.getToadletContext().isAllowedFullAccess()) {
+ return response.setStatusCode(403).setStatusText("Forbidden").setContentType("application/json").write(objectMapper.writeValueAsString(new JsonErrorReturnObject("auth-required")));
+ }
if (needsFormPassword()) {
String formPassword = request.getHttpRequest().getParam("formPassword");
if (!webInterface.getFormPassword().equals(formPassword)) {
- return new Response(401, "Not authorized", "application/json", JsonUtils.format(new JsonObject().put("success", false).put("error", "auth-required")));
+ return response.setStatusCode(403).setStatusText("Forbidden").setContentType("application/json").write(objectMapper.writeValueAsString(new JsonErrorReturnObject("auth-required")));
+ }
+ }
+ if (requiresLogin()) {
+ if (getCurrentSone(request.getToadletContext(), false) == null) {
+ return response.setStatusCode(403).setStatusText("Forbidden").setContentType("application/json").write(objectMapper.writeValueAsString(new JsonErrorReturnObject("auth-required")));
}
}
- JsonObject jsonObject = createJsonObject(request);
- return new Response(200, "OK", "application/json", JsonUtils.format(jsonObject));
+ try {
+ JsonReturnObject jsonObject = createJsonObject(request);
+ return response.setStatusCode(200).setStatusText("OK").setContentType("application/json").write(objectMapper.writeValueAsString(jsonObject));
+ } catch (Exception e1) {
+ logger.log(Level.WARNING, "Error executing JSON page!", e1);
+ return response.setStatusCode(500).setStatusText(e1.getMessage()).setContentType("text/plain").write(dumpStackTrace(e1));
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isLinkExcepted(URI link) {
+ return false;
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Returns a byte array containing the stack trace of the given throwable.
+ *
+ * @param t
+ * The throwable whose stack trace to dump into an array
+ * @return The array with the stack trace, or an empty array if the stack
+ * trace could not be dumped
+ */
+ private static byte[] dumpStackTrace(Throwable t) {
+ ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+ OutputStreamWriter writer = null;
+ PrintWriter printWriter = null;
+ try {
+ writer = new OutputStreamWriter(byteArrayOutputStream, "uTF-8");
+ printWriter = new PrintWriter(writer);
+ t.printStackTrace(printWriter);
+ byteArrayOutputStream.flush();
+ return byteArrayOutputStream.toByteArray();
+ } catch (IOException ioe1) {
+ /* quite not possible. */
+ return new byte[0];
+ } finally {
+ Closer.close(printWriter);
+ Closer.close(writer);
+ Closer.close(byteArrayOutputStream);
+ }
}
}
projects / Sone.git / blobdiff