/*
- * 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 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.FreenetPage;
import net.pterodactylus.sone.web.page.FreenetRequest;
-import net.pterodactylus.util.json.JsonObject;
-import net.pterodactylus.util.json.JsonUtils;
+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;
*/
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;
* The request to handle
* @return The created JSON object
*/
- protected abstract JsonObject createJsonObject(FreenetRequest 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;
}
* @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;
}
*
* @return A reply signaling success
*/
- protected JsonObject createSuccessJsonObject() {
- return new JsonObject().put("success", true);
+ protected static JsonReturnObject createSuccessJsonObject() {
+ return new JsonReturnObject(true);
}
/**
* The error that has occured
* @return The JSON object, signalling failure and the error code
*/
- protected JsonObject createErrorJsonObject(String error) {
- return new JsonObject().put("success", false).put("error", error);
+ protected static JsonReturnObject createErrorJsonObject(String error) {
+ return new JsonErrorReturnObject(error);
}
//
@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(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 (needsFormPassword()) {
String formPassword = request.getHttpRequest().getParam("formPassword");
if (!webInterface.getFormPassword().equals(formPassword)) {
- return response.setStatusCode(403).setStatusText("Forbidden").setContentType("application/json").write(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(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")));
}
}
- JsonObject jsonObject = createJsonObject(request);
- return response.setStatusCode(200).setStatusText("OK").setContentType("application/json").write(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));
+ }
}
/**
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