/*
- * Sone - WebOfTrustConnector.java - Copyright © 2010 David Roden
+ * Sone - WebOfTrustConnector.java - Copyright © 2010–2019 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.freenet.wot;
+import static java.util.logging.Logger.getLogger;
+import static net.pterodactylus.sone.utils.NumberParsers.parseInt;
+
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
import java.util.logging.Level;
import java.util.logging.Logger;
-import net.pterodactylus.sone.freenet.plugin.ConnectorListener;
import net.pterodactylus.sone.freenet.plugin.PluginConnector;
import net.pterodactylus.sone.freenet.plugin.PluginException;
-import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.sone.freenet.plugin.event.ReceivedReplyEvent;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.MapMaker;
+import com.google.common.eventbus.Subscribe;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
import freenet.support.SimpleFieldSet;
import freenet.support.api.Bucket;
/**
* Connector for the Web of Trust plugin.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class WebOfTrustConnector implements ConnectorListener {
+@Singleton
+public class WebOfTrustConnector {
/** The logger. */
- private static final Logger logger = Logging.getLogger(WebOfTrustConnector.class);
+ private static final Logger logger = getLogger(WebOfTrustConnector.class.getName());
/** The name of the WoT plugin. */
private static final String WOT_PLUGIN_NAME = "plugins.WebOfTrust.WebOfTrust";
- /** A random connection identifier. */
- private static final String PLUGIN_CONNECTION_IDENTIFIER = "Sone-WoT-Connector-" + Math.abs(Math.random());
-
- /** The current reply. */
- private Reply reply;
+ /** Counter for connection identifiers. */
+ private final AtomicLong counter = new AtomicLong();
/** The plugin connector. */
private final PluginConnector pluginConnector;
+ /** Map for replies. */
+ private final Map<PluginIdentifier, Reply> replies = new MapMaker().makeMap();
+
/**
* Creates a new Web of Trust connector that uses the given plugin
* connector.
* @param pluginConnector
* The plugin connector
*/
+ @Inject
public WebOfTrustConnector(PluginConnector pluginConnector) {
this.pluginConnector = pluginConnector;
- pluginConnector.addConnectorListener(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, this);
}
//
* Stops the web of trust connector.
*/
public void stop() {
- pluginConnector.removeConnectorListener(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, this);
+ /* does nothing. */
}
/**
Reply reply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetOwnIdentities").get());
SimpleFieldSet fields = reply.getFields();
int ownIdentityCounter = -1;
- Set<OwnIdentity> ownIdentities = new HashSet<OwnIdentity>();
+ Set<OwnIdentity> ownIdentities = new HashSet<>();
while (true) {
String id = fields.get("Identity" + ++ownIdentityCounter);
if (id == null) {
String requestUri = fields.get("RequestURI" + ownIdentityCounter);
String insertUri = fields.get("InsertURI" + ownIdentityCounter);
String nickname = fields.get("Nickname" + ownIdentityCounter);
- DefaultOwnIdentity ownIdentity = new DefaultOwnIdentity(this, id, nickname, requestUri, insertUri);
- ownIdentity.setContextsPrivate(parseContexts("Contexts" + ownIdentityCounter + ".", fields));
- ownIdentity.setPropertiesPrivate(parseProperties("Properties" + ownIdentityCounter + ".", fields));
+ DefaultOwnIdentity ownIdentity = new DefaultOwnIdentity(id, nickname, requestUri, insertUri);
+ ownIdentity.setContexts(parseContexts("Contexts" + ownIdentityCounter + ".", fields));
+ ownIdentity.setProperties(parseProperties("Properties" + ownIdentityCounter + ".", fields));
ownIdentities.add(ownIdentity);
}
return ownIdentities;
* if an error occured talking to the Web of Trust plugin
*/
public Set<Identity> loadTrustedIdentities(OwnIdentity ownIdentity) throws PluginException {
- return loadTrustedIdentities(ownIdentity, null);
+ return loadTrustedIdentities(ownIdentity, Optional.<String>absent());
}
/**
* @throws PluginException
* if an error occured talking to the Web of Trust plugin
*/
- public Set<Identity> loadTrustedIdentities(OwnIdentity ownIdentity, String context) throws PluginException {
- Reply reply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetIdentitiesByScore").put("TreeOwner", ownIdentity.getId()).put("Selection", "+").put("Context", (context == null) ? "" : context).get());
+ public Set<Identity> loadTrustedIdentities(OwnIdentity ownIdentity, Optional<String> context) throws PluginException {
+ Reply reply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetIdentitiesByScore").put("Truster", ownIdentity.getId()).put("Selection", "+").put("Context", context.or("")).put("WantTrustValues", "true").get());
SimpleFieldSet fields = reply.getFields();
- Set<Identity> identities = new HashSet<Identity>();
+ Set<Identity> identities = new HashSet<>();
int identityCounter = -1;
while (true) {
String id = fields.get("Identity" + ++identityCounter);
}
String nickname = fields.get("Nickname" + identityCounter);
String requestUri = fields.get("RequestURI" + identityCounter);
- DefaultIdentity identity = new DefaultIdentity(this, id, nickname, requestUri);
- identity.setContextsPrivate(parseContexts("Contexts" + identityCounter + ".", fields));
- identity.setPropertiesPrivate(parseProperties("Properties" + identityCounter + ".", fields));
+ DefaultIdentity identity = new DefaultIdentity(id, nickname, requestUri);
+ identity.setContexts(parseContexts("Contexts" + identityCounter + ".", fields));
+ identity.setProperties(parseProperties("Properties" + identityCounter + ".", fields));
+ Integer trust = parseInt(fields.get("Trust" + identityCounter), null);
+ int score = parseInt(fields.get("Score" + identityCounter), 0);
+ int rank = parseInt(fields.get("Rank" + identityCounter), 0);
+ identity.setTrust(ownIdentity, new Trust(trust, score, rank));
identities.add(identity);
}
return identities;
* The fields to parse the contexts from
* @return The parsed contexts
*/
- private Set<String> parseContexts(String prefix, SimpleFieldSet fields) {
- Set<String> contexts = new HashSet<String>();
+ private static Set<String> parseContexts(String prefix, SimpleFieldSet fields) {
+ Set<String> contexts = new HashSet<>();
int contextCounter = -1;
while (true) {
String context = fields.get(prefix + "Context" + ++contextCounter);
* The fields to parse the properties from
* @return The parsed properties
*/
- private Map<String, String> parseProperties(String prefix, SimpleFieldSet fields) {
- Map<String, String> properties = new HashMap<String, String>();
+ private static Map<String, String> parseProperties(String prefix, SimpleFieldSet fields) {
+ Map<String, String> properties = new HashMap<>();
int propertiesCounter = -1;
while (true) {
String propertyName = fields.get(prefix + "Property" + ++propertiesCounter + ".Name");
* @throws PluginException
* if the request could not be sent
*/
- private synchronized Reply performRequest(SimpleFieldSet fields, Bucket data) throws PluginException {
- reply = new Reply();
- logger.log(Level.FINE, "Sending FCP Request: " + fields.get("Message"));
+ private Reply performRequest(SimpleFieldSet fields, Bucket data) throws PluginException {
+ String identifier = "FCP-Command-" + System.currentTimeMillis() + "-" + counter.getAndIncrement();
+ Reply reply = new Reply();
+ PluginIdentifier pluginIdentifier = new PluginIdentifier(WOT_PLUGIN_NAME, identifier);
+ replies.put(pluginIdentifier, reply);
+
+ logger.log(Level.FINE, String.format("Sending FCP Request: %s", fields.get("Message")));
synchronized (reply) {
- pluginConnector.sendRequest(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, fields, data);
try {
- reply.wait();
- } catch (InterruptedException ie1) {
- logger.log(Level.WARNING, "Got interrupted while waiting for reply on " + fields.get("Message") + ".", ie1);
+ pluginConnector.sendRequest(WOT_PLUGIN_NAME, identifier, fields, data);
+ while (reply.getFields() == null) {
+ try {
+ reply.wait();
+ } catch (InterruptedException ie1) {
+ logger.log(Level.WARNING, String.format("Got interrupted while waiting for reply on %s.", fields.get("Message")), ie1);
+ }
+ }
+ } finally {
+ replies.remove(pluginIdentifier);
}
}
- logger.log(Level.FINEST, "Received FCP Response for %s: %s", new Object[] { fields.get("Message"), (reply.getFields() != null) ? reply.getFields().get("Message") : null });
+ logger.log(Level.FINEST, String.format("Received FCP Response for %s: %s", fields.get("Message"), (reply.getFields() != null) ? reply.getFields().get("Message") : null));
if ((reply.getFields() == null) || "Error".equals(reply.getFields().get("Message"))) {
throw new PluginException("Could not perform request for " + fields.get("Message"));
}
return reply;
}
- //
- // INTERFACE ConnectorListener
- //
-
/**
- * {@inheritDoc}
+ * Notifies the connector that a plugin reply was received.
+ *
+ * @param receivedReplyEvent
+ * The event
*/
- @Override
- public void receivedReply(PluginConnector pluginConnector, SimpleFieldSet fields, Bucket data) {
- String messageName = fields.get("Message");
- logger.log(Level.FINEST, "Received Reply from Plugin: " + messageName);
+ @Subscribe
+ public void receivedReply(ReceivedReplyEvent receivedReplyEvent) {
+ PluginIdentifier pluginIdentifier = new PluginIdentifier(receivedReplyEvent.pluginName(), receivedReplyEvent.identifier());
+ Reply reply = replies.remove(pluginIdentifier);
+ if (reply == null) {
+ return;
+ }
+ logger.log(Level.FINEST, String.format("Received Reply from Plugin: %s", receivedReplyEvent.fieldSet().get("Message")));
synchronized (reply) {
- reply.setFields(fields);
- reply.setData(data);
+ reply.setFields(receivedReplyEvent.fieldSet());
+ reply.setData(receivedReplyEvent.data());
reply.notify();
}
}
/**
* Container for the data of the reply from a plugin.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
private static class Reply {
/**
* Helper method to create {@link SimpleFieldSet}s with terser code.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
private static class SimpleFieldSetConstructor {
* @return The created simple field set constructor
*/
public static SimpleFieldSetConstructor create(boolean shortLived) {
- SimpleFieldSetConstructor simpleFieldSetConstructor = new SimpleFieldSetConstructor(shortLived);
- return simpleFieldSetConstructor;
+ return new SimpleFieldSetConstructor(shortLived);
+ }
+
+ }
+
+ /**
+ * Container for identifying plugins. Plugins are identified by their plugin
+ * name and their unique identifier.
+ */
+ private static class PluginIdentifier {
+
+ /** The plugin name. */
+ private final String pluginName;
+
+ /** The plugin identifier. */
+ private final String identifier;
+
+ /**
+ * Creates a new plugin identifier.
+ *
+ * @param pluginName
+ * The name of the plugin
+ * @param identifier
+ * The identifier of the plugin
+ */
+ public PluginIdentifier(String pluginName, String identifier) {
+ this.pluginName = pluginName;
+ this.identifier = identifier;
+ }
+
+ //
+ // OBJECT METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int hashCode() {
+ return pluginName.hashCode() ^ identifier.hashCode();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals(Object object) {
+ if (!(object instanceof PluginIdentifier)) {
+ return false;
+ }
+ PluginIdentifier pluginIdentifier = (PluginIdentifier) object;
+ return pluginName.equals(pluginIdentifier.pluginName) && identifier.equals(pluginIdentifier.identifier);
}
}
projects / Sone.git / blobdiff