Don’t load bookmarks from core anymore.
[Sone.git] / src / main / java / net / pterodactylus / sone / main / SonePlugin.java
1 /*
2  * Sone - SonePlugin.java - Copyright © 2010–2013 David Roden
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17
18 package net.pterodactylus.sone.main;
19
20 import static com.google.common.base.Optional.of;
21 import static java.util.logging.Logger.getLogger;
22
23 import java.io.File;
24 import java.util.logging.Handler;
25 import java.util.logging.Level;
26 import java.util.logging.LogRecord;
27 import java.util.logging.Logger;
28
29 import net.pterodactylus.sone.core.Core;
30 import net.pterodactylus.sone.core.FreenetInterface;
31 import net.pterodactylus.sone.core.WebOfTrustUpdater;
32 import net.pterodactylus.sone.core.WebOfTrustUpdaterImpl;
33 import net.pterodactylus.sone.database.Database;
34 import net.pterodactylus.sone.database.PostBuilderFactory;
35 import net.pterodactylus.sone.database.PostProvider;
36 import net.pterodactylus.sone.database.PostReplyBuilderFactory;
37 import net.pterodactylus.sone.database.SoneProvider;
38 import net.pterodactylus.sone.database.memory.MemoryDatabase;
39 import net.pterodactylus.sone.fcp.FcpInterface;
40 import net.pterodactylus.sone.freenet.PluginStoreConfigurationBackend;
41 import net.pterodactylus.sone.freenet.plugin.PluginConnector;
42 import net.pterodactylus.sone.freenet.wot.Context;
43 import net.pterodactylus.sone.freenet.wot.IdentityManager;
44 import net.pterodactylus.sone.freenet.wot.IdentityManagerImpl;
45 import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
46 import net.pterodactylus.sone.web.WebInterface;
47 import net.pterodactylus.util.config.Configuration;
48 import net.pterodactylus.util.config.ConfigurationException;
49 import net.pterodactylus.util.config.MapConfigurationBackend;
50 import net.pterodactylus.util.version.Version;
51
52 import com.google.common.base.Optional;
53 import com.google.common.eventbus.EventBus;
54 import com.google.inject.AbstractModule;
55 import com.google.inject.Guice;
56 import com.google.inject.Injector;
57 import com.google.inject.Singleton;
58 import com.google.inject.TypeLiteral;
59 import com.google.inject.matcher.Matchers;
60 import com.google.inject.spi.InjectionListener;
61 import com.google.inject.spi.TypeEncounter;
62 import com.google.inject.spi.TypeListener;
63
64 import freenet.client.async.DatabaseDisabledException;
65 import freenet.l10n.BaseL10n.LANGUAGE;
66 import freenet.l10n.PluginL10n;
67 import freenet.node.Node;
68 import freenet.pluginmanager.FredPlugin;
69 import freenet.pluginmanager.FredPluginBaseL10n;
70 import freenet.pluginmanager.FredPluginFCP;
71 import freenet.pluginmanager.FredPluginL10n;
72 import freenet.pluginmanager.FredPluginThreadless;
73 import freenet.pluginmanager.FredPluginVersioned;
74 import freenet.pluginmanager.PluginReplySender;
75 import freenet.pluginmanager.PluginRespirator;
76 import freenet.support.SimpleFieldSet;
77 import freenet.support.api.Bucket;
78
79 /**
80  * This class interfaces with Freenet. It is the class that is loaded by the
81  * node and starts up the whole Sone system.
82  *
83  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
84  */
85 public class SonePlugin implements FredPlugin, FredPluginFCP, FredPluginL10n, FredPluginBaseL10n, FredPluginThreadless, FredPluginVersioned {
86
87         static {
88                 /* initialize logging. */
89                 Logger soneLogger = getLogger("Sone");
90                 soneLogger.addHandler(new Handler() {
91                         @Override
92                         public void publish(LogRecord logRecord) {
93                                 int recordLevel = logRecord.getLevel().intValue();
94                                 if (recordLevel < Level.FINE.intValue()) {
95                                         freenet.support.Logger.debug(logRecord.getLoggerName(), logRecord.getMessage(), logRecord.getThrown());
96                                 } else if (recordLevel < Level.INFO.intValue()) {
97                                         freenet.support.Logger.minor(logRecord.getLoggerName(), logRecord.getMessage(), logRecord.getThrown());
98                                 } else if (recordLevel < Level.WARNING.intValue()) {
99                                         freenet.support.Logger.normal(logRecord.getLoggerName(), logRecord.getMessage(), logRecord.getThrown());
100                                 } else if (recordLevel < Level.SEVERE.intValue()) {
101                                         freenet.support.Logger.warning(logRecord.getLoggerName(), logRecord.getMessage(), logRecord.getThrown());
102                                 } else {
103                                         freenet.support.Logger.error(logRecord.getLoggerName(), logRecord.getMessage(), logRecord.getThrown());
104                                 }
105                         }
106
107                         @Override
108                         public void flush() {
109                         }
110
111                         @Override
112                         public void close() {
113                         }
114                 });
115         }
116
117         /** The version. */
118         public static final Version VERSION = new Version(0, 8, 9);
119
120         /** The logger. */
121         private static final Logger logger = getLogger("Sone.Plugin");
122
123         /** The plugin respirator. */
124         private PluginRespirator pluginRespirator;
125
126         /** The core. */
127         private Core core;
128
129         /** The web interface. */
130         private WebInterface webInterface;
131
132         /** The FCP interface. */
133         private FcpInterface fcpInterface;
134
135         /** The l10n helper. */
136         private PluginL10n l10n;
137
138         /** The web of trust connector. */
139         private WebOfTrustConnector webOfTrustConnector;
140
141         //
142         // ACCESSORS
143         //
144
145         /**
146          * Returns the plugin respirator for this plugin.
147          *
148          * @return The plugin respirator
149          */
150         public PluginRespirator pluginRespirator() {
151                 return pluginRespirator;
152         }
153
154         /**
155          * Returns the core started by this plugin.
156          *
157          * @return The core
158          */
159         public Core core() {
160                 return core;
161         }
162
163         /**
164          * Returns the plugin’s l10n helper.
165          *
166          * @return The plugin’s l10n helper
167          */
168         public PluginL10n l10n() {
169                 return l10n;
170         }
171
172         //
173         // FREDPLUGIN METHODS
174         //
175
176         /**
177          * {@inheritDoc}
178          */
179         @Override
180         public void runPlugin(PluginRespirator pluginRespirator) {
181                 this.pluginRespirator = pluginRespirator;
182
183                 /* create a configuration. */
184                 Configuration oldConfiguration;
185                 Configuration newConfiguration = null;
186                 boolean firstStart = !new File("sone.properties").exists();
187                 boolean newConfig = false;
188                 try {
189                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
190                         newConfiguration = oldConfiguration;
191                 } catch (ConfigurationException ce1) {
192                         newConfig = true;
193                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…", ce1);
194                         try {
195                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
196                                 logger.log(Level.INFO, "Created new configuration file.");
197                         } catch (ConfigurationException ce2) {
198                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!", ce2);
199                         }
200                         try {
201                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
202                                 logger.log(Level.INFO, "Plugin store loaded.");
203                         } catch (DatabaseDisabledException dde1) {
204                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
205                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
206                         }
207                 }
208
209                 final Configuration startConfiguration;
210                 if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
211                         logger.log(Level.INFO, "Setting configuration to file-based configuration.");
212                         startConfiguration = newConfiguration;
213                 } else {
214                         startConfiguration = oldConfiguration;
215                 }
216                 final EventBus eventBus = new EventBus();
217
218                 /* Freenet injector configuration. */
219                 AbstractModule freenetModule = new AbstractModule() {
220
221                         @Override
222                         @SuppressWarnings("synthetic-access")
223                         protected void configure() {
224                                 bind(PluginRespirator.class).toInstance(SonePlugin.this.pluginRespirator);
225                                 bind(Node.class).toInstance(SonePlugin.this.pluginRespirator.getNode());
226                         }
227                 };
228                 /* Sone injector configuration. */
229                 AbstractModule soneModule = new AbstractModule() {
230
231                         @Override
232                         protected void configure() {
233                                 bind(EventBus.class).toInstance(eventBus);
234                                 bind(Configuration.class).toInstance(startConfiguration);
235                                 Context context = new Context("Sone");
236                                 bind(Context.class).toInstance(context);
237                                 bind(getOptionalContextTypeLiteral()).toInstance(of(context));
238                                 bind(SonePlugin.class).toInstance(SonePlugin.this);
239                                 bindListener(Matchers.any(), new TypeListener() {
240
241                                         @Override
242                                         public <I> void hear(TypeLiteral<I> typeLiteral, TypeEncounter<I> typeEncounter) {
243                                                 typeEncounter.register(new InjectionListener<I>() {
244
245                                                         @Override
246                                                         public void afterInjection(I injectee) {
247                                                                 eventBus.register(injectee);
248                                                         }
249                                                 });
250                                         }
251                                 });
252                         }
253
254                         private TypeLiteral<Optional<Context>> getOptionalContextTypeLiteral() {
255                                 return new TypeLiteral<Optional<Context>>() {
256                                 };
257                         }
258
259                 };
260                 Injector injector = Guice.createInjector(freenetModule, soneModule);
261                 core = injector.getInstance(Core.class);
262
263                 /* create web of trust connector. */
264                 webOfTrustConnector = injector.getInstance(WebOfTrustConnector.class);
265
266                 /* create FCP interface. */
267                 fcpInterface = injector.getInstance(FcpInterface.class);
268
269                 /* create the web interface. */
270                 webInterface = injector.getInstance(WebInterface.class);
271
272                 /* start core! */
273                 core.start();
274                 webInterface.start();
275                 webInterface.setFirstStart(firstStart);
276                 webInterface.setNewConfig(newConfig);
277         }
278
279         /**
280          * {@inheritDoc}
281          */
282         @Override
283         public void terminate() {
284                 try {
285                         /* stop the web interface. */
286                         webInterface.stop();
287
288                         /* stop the core. */
289                         core.stop();
290
291                         /* stop the web of trust connector. */
292                         webOfTrustConnector.stop();
293                 } catch (Throwable t1) {
294                         logger.log(Level.SEVERE, "Error while shutting down!", t1);
295                 }
296         }
297
298         //
299         // INTERFACE FredPluginFCP
300         //
301
302         /**
303          * {@inheritDoc}
304          */
305         @Override
306         public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
307                 fcpInterface.handle(pluginReplySender, parameters, data, accessType);
308         }
309
310         //
311         // INTERFACE FredPluginL10n
312         //
313
314         /**
315          * {@inheritDoc}
316          */
317         @Override
318         public String getString(String key) {
319                 return l10n.getBase().getString(key);
320         }
321
322         /**
323          * {@inheritDoc}
324          */
325         @Override
326         public void setLanguage(LANGUAGE newLanguage) {
327                 l10n = new PluginL10n(this, newLanguage);
328         }
329
330         //
331         // INTERFACE FredPluginBaseL10n
332         //
333
334         /**
335          * {@inheritDoc}
336          */
337         @Override
338         public String getL10nFilesBasePath() {
339                 return "i18n";
340         }
341
342         /**
343          * {@inheritDoc}
344          */
345         @Override
346         public String getL10nFilesMask() {
347                 return "sone.${lang}.properties";
348         }
349
350         /**
351          * {@inheritDoc}
352          */
353         @Override
354         public String getL10nOverrideFilesMask() {
355                 return "sone.${lang}.override.properties";
356         }
357
358         /**
359          * {@inheritDoc}
360          */
361         @Override
362         public ClassLoader getPluginClassLoader() {
363                 return SonePlugin.class.getClassLoader();
364         }
365
366         //
367         // INTERFACE FredPluginVersioned
368         //
369
370         /**
371          * {@inheritDoc}
372          */
373         @Override
374         public String getVersion() {
375                 return VERSION.toString();
376         }
377
378 }