package net.pterodactylus.sone.freenet.wot;
-import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
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 freenet.support.SimpleFieldSet;
import freenet.support.api.Bucket;
private static final Logger logger = Logging.getLogger(WebOfTrustConnector.class);
/** The name of the WoT plugin. */
- private static final String WOT_PLUGIN_NAME = "plugins.WoT.WoT";
+ 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 replies that we wait for. */
- private final Map<String, Reply> replies = Collections.synchronizedMap(new HashMap<String, Reply>());
+ /** The current reply. */
+ private Reply reply;
/** The plugin connector. */
private final PluginConnector pluginConnector;
//
/**
+ * Stops the web of trust connector.
+ */
+ public void stop() {
+ pluginConnector.removeConnectorListener(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, this);
+ synchronized (reply) {
+ reply.notifyAll();
+ }
+ }
+
+ /**
* Loads all own identities from the Web of Trust plugin.
*
* @return All own identity
- * @throws PluginException
+ * @throws WebOfTrustException
* if the own identities can not be loaded
*/
- public Set<OwnIdentity> loadAllOwnIdentities() throws PluginException {
- Reply reply = performRequest("OwnIdentities", SimpleFieldSetConstructor.create().put("Message", "GetOwnIdentities").get());
+ public Set<OwnIdentity> loadAllOwnIdentities() throws WebOfTrustException {
+ Reply reply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetOwnIdentities").get());
SimpleFieldSet fields = reply.getFields();
int ownIdentityCounter = -1;
Set<OwnIdentity> ownIdentities = new HashSet<OwnIdentity>();
String requestUri = fields.get("RequestURI" + ownIdentityCounter);
String insertUri = fields.get("InsertURI" + ownIdentityCounter);
String nickname = fields.get("Nickname" + ownIdentityCounter);
- OwnIdentity ownIdentity = new OwnIdentity(id, nickname, requestUri, insertUri);
+ DefaultOwnIdentity ownIdentity = new DefaultOwnIdentity(this, id, nickname, requestUri, insertUri);
+ ownIdentity.setContextsPrivate(parseContexts("Contexts" + ownIdentityCounter + ".", fields));
+ ownIdentity.setPropertiesPrivate(parseProperties("Properties" + ownIdentityCounter + ".", fields));
ownIdentities.add(ownIdentity);
}
return ownIdentities;
}
+ /**
+ * Loads all identities that the given identities trusts with a score of
+ * more than 0.
+ *
+ * @param ownIdentity
+ * The own identity
+ * @return All trusted identities
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public Set<Identity> loadTrustedIdentities(OwnIdentity ownIdentity) throws PluginException {
+ return loadTrustedIdentities(ownIdentity, null);
+ }
+
+ /**
+ * Loads all identities that the given identities trusts with a score of
+ * more than 0 and the (optional) given context.
+ *
+ * @param ownIdentity
+ * The own identity
+ * @param context
+ * The context to filter, or {@code null}
+ * @return All trusted identities
+ * @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());
+ SimpleFieldSet fields = reply.getFields();
+ Set<Identity> identities = new HashSet<Identity>();
+ int identityCounter = -1;
+ while (true) {
+ String id = fields.get("Identity" + ++identityCounter);
+ if (id == null) {
+ break;
+ }
+ 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));
+ identities.add(identity);
+ }
+ return identities;
+ }
+
+ /**
+ * Adds the given context to the given identity.
+ *
+ * @param ownIdentity
+ * The identity to add the context to
+ * @param context
+ * The context to add
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public void addContext(OwnIdentity ownIdentity, String context) throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "AddContext").put("Identity", ownIdentity.getId()).put("Context", context).get());
+ }
+
+ /**
+ * Removes the given context from the given identity.
+ *
+ * @param ownIdentity
+ * The identity to remove the context from
+ * @param context
+ * The context to remove
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public void removeContext(OwnIdentity ownIdentity, String context) throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "RemoveContext").put("Identity", ownIdentity.getId()).put("Context", context).get());
+ }
+
+ /**
+ * Returns the value of the property with the given name.
+ *
+ * @param identity
+ * The identity whose properties to check
+ * @param name
+ * The name of the property to return
+ * @return The value of the property, or {@code null} if there is no value
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public String getProperty(Identity identity, String name) throws PluginException {
+ Reply reply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetProperty").put("Identity", identity.getId()).put("Property", name).get());
+ return reply.getFields().get("Property");
+ }
+
+ /**
+ * Sets the property with the given name to the given value.
+ *
+ * @param ownIdentity
+ * The identity to set the property on
+ * @param name
+ * The name of the property to set
+ * @param value
+ * The value to set
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public void setProperty(OwnIdentity ownIdentity, String name, String value) throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "SetProperty").put("Identity", ownIdentity.getId()).put("Property", name).put("Value", value).get());
+ }
+
+ /**
+ * Removes the property with the given name.
+ *
+ * @param ownIdentity
+ * The identity to remove the property from
+ * @param name
+ * The name of the property to remove
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public void removeProperty(OwnIdentity ownIdentity, String name) throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "RemoveProperty").put("Identity", ownIdentity.getId()).put("Property", name).get());
+ }
+
+ /**
+ * Returns the trust for the given identity assigned to it by the given own
+ * identity.
+ *
+ * @param ownIdentity
+ * The own identity
+ * @param identity
+ * The identity to get the trust for
+ * @return The trust for the given identity
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public Trust getTrust(OwnIdentity ownIdentity, Identity identity) throws PluginException {
+ Reply getTrustReply = performRequest(SimpleFieldSetConstructor.create().put("Message", "GetIdentity").put("Truster", ownIdentity.getId()).put("Identity", identity.getId()).get());
+ String trust = getTrustReply.getFields().get("Trust");
+ String score = getTrustReply.getFields().get("Score");
+ String rank = getTrustReply.getFields().get("Rank");
+ Integer explicit = null;
+ Integer implicit = null;
+ Integer distance = null;
+ try {
+ explicit = Integer.valueOf(trust);
+ } catch (NumberFormatException nfe1) {
+ /* ignore. */
+ }
+ try {
+ implicit = Integer.valueOf(score);
+ distance = Integer.valueOf(rank);
+ } catch (NumberFormatException nfe1) {
+ /* ignore. */
+ }
+ return new Trust(explicit, implicit, distance);
+ }
+
+ /**
+ * Sets the trust for the given identity.
+ *
+ * @param ownIdentity
+ * The trusting identity
+ * @param identity
+ * The trusted identity
+ * @param trust
+ * The amount of trust (-100 thru 100)
+ * @param comment
+ * The comment or explanation of the trust value
+ * @throws PluginException
+ * if an error occured talking to the Web of Trust plugin
+ */
+ public void setTrust(OwnIdentity ownIdentity, Identity identity, int trust, String comment) throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "SetTrust").put("Truster", ownIdentity.getId()).put("Trustee", identity.getId()).put("Value", String.valueOf(trust)).put("Comment", comment).get());
+ }
+
+ /**
+ * Removes any trust assignment of the given own identity for the given
+ * identity.
+ *
+ * @param ownIdentity
+ * The own identity
+ * @param identity
+ * The identity to remove all trust for
+ * @throws WebOfTrustException
+ * if an error occurs
+ */
+ public void removeTrust(OwnIdentity ownIdentity, Identity identity) throws WebOfTrustException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "RemoveTrust").put("Truster", ownIdentity.getId()).put("Trustee", identity.getId()).get());
+ }
+
+ /**
+ * Pings the Web of Trust plugin. If the plugin can not be reached, a
+ * {@link PluginException} is thrown.
+ *
+ * @throws PluginException
+ * if the plugin is not loaded
+ */
+ public void ping() throws PluginException {
+ performRequest(SimpleFieldSetConstructor.create().put("Message", "Ping").get());
+ }
+
//
// PRIVATE ACTIONS
//
/**
+ * Parses the contexts from the given fields.
+ *
+ * @param prefix
+ * The prefix to use to access the contexts
+ * @param fields
+ * 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>();
+ int contextCounter = -1;
+ while (true) {
+ String context = fields.get(prefix + "Context" + ++contextCounter);
+ if (context == null) {
+ break;
+ }
+ contexts.add(context);
+ }
+ return contexts;
+ }
+
+ /**
+ * Parses the properties from the given fields.
+ *
+ * @param prefix
+ * The prefix to use to access the properties
+ * @param fields
+ * 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>();
+ int propertiesCounter = -1;
+ while (true) {
+ String propertyName = fields.get(prefix + "Property" + ++propertiesCounter + ".Name");
+ if (propertyName == null) {
+ break;
+ }
+ String propertyValue = fields.get(prefix + "Property" + propertiesCounter + ".Value");
+ properties.put(propertyName, propertyValue);
+ }
+ return properties;
+ }
+
+ /**
* Sends a request containing the given fields and waits for the target
* message.
*
- * @param targetMessage
- * The message of the reply to wait for
* @param fields
* The fields of the message
* @return The reply message
* @throws PluginException
* if the request could not be sent
*/
- private Reply performRequest(String targetMessage, SimpleFieldSet fields) throws PluginException {
- return performRequest(targetMessage, fields, null);
+ private Reply performRequest(SimpleFieldSet fields) throws PluginException {
+ return performRequest(fields, null);
}
/**
* Sends a request containing the given fields and waits for the target
* message.
*
- * @param targetMessage
- * The message of the reply to wait for
* @param fields
* The fields of the message
* @param data
* @throws PluginException
* if the request could not be sent
*/
- private Reply performRequest(String targetMessage, SimpleFieldSet fields, Bucket data) throws PluginException {
- @SuppressWarnings("synthetic-access")
- Reply reply = new Reply();
- replies.put(targetMessage, reply);
+ private synchronized Reply performRequest(SimpleFieldSet fields, Bucket data) throws PluginException {
+ reply = new 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 GetOwnIdentities.", ie1);
+ logger.log(Level.WARNING, String.format("Got interrupted while waiting for reply on %s.", fields.get("Message")), ie1);
}
}
+ 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;
}
@Override
public void receivedReply(PluginConnector pluginConnector, SimpleFieldSet fields, Bucket data) {
String messageName = fields.get("Message");
- Reply reply = replies.remove(messageName);
- if (reply == null) {
- logger.log(Level.FINE, "Not waiting for a “%s” message.", messageName);
- return;
- }
+ logger.log(Level.FINEST, String.format("Received Reply from Plugin: %s", messageName));
synchronized (reply) {
reply.setFields(fields);
reply.setData(data);
/** The payload of the reply. */
private Bucket data;
+ /** Empty constructor. */
+ public Reply() {
+ /* do nothing. */
+ }
+
/**
* Returns the fields of the reply.
*
projects / Sone.git / blobdiff