Remove blocking, blacklisting, and distribution of known Sones.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java
index 49cbc8a..1a1c6df 100644 (file)
@@ -17,6 +17,7 @@
 
 package net.pterodactylus.sone.core;
 
+import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -39,6 +40,7 @@ import net.pterodactylus.sone.data.Post;
 import net.pterodactylus.sone.data.Profile;
 import net.pterodactylus.sone.data.Reply;
 import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
 import net.pterodactylus.util.config.Configuration;
 import net.pterodactylus.util.config.ConfigurationException;
 import net.pterodactylus.util.filter.Filter;
@@ -55,6 +57,16 @@ import freenet.keys.FreenetURI;
  */
 public class Core extends AbstractService {
 
+       /** The default Sones. */
+       private static final Set<String> defaultSones = new HashSet<String>();
+
+       static {
+               /* Sone of Sone. */
+               defaultSones.add("USK@eRHt0ceFsHjRZ11j6dd68RSdIvfd8f9YjJLZ9lnhEyo,iJWjIWh6TkMZm1NY8qBranKTIuwsCPkVPG6T6c6ft-I,AQACAAE/Sone/4");
+               /* Sone of Bombe. */
+               defaultSones.add("USK@RuW~uAO35Ipne896-1OmaVJNPuYE4ZIB5oZ5ziaU57A,7rV3uiyztXBDt03DCoRiNwiGjgFCJuznM9Okc1opURU,AQACAAE/Sone/29");
+       }
+
        /**
         * Enumeration for the possible states of a {@link Sone}.
         *
@@ -87,14 +99,17 @@ public class Core extends AbstractService {
        /** Interface to freenet. */
        private FreenetInterface freenetInterface;
 
+       /** The WoT connector. */
+       private WebOfTrustConnector webOfTrustConnector;
+
        /** The Sone downloader. */
        private SoneDownloader soneDownloader;
 
        /** The local Sones. */
-       private final Set<Sone> localSones = new HashSet<Sone>();
+       private final Set<Sone> localSones = Collections.synchronizedSet(new HashSet<Sone>());
 
        /** Sone inserters. */
-       private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
+       private final Map<Sone, SoneInserter> soneInserters = Collections.synchronizedMap(new HashMap<Sone, SoneInserter>());
 
        /** The Sones’ statuses. */
        private final Map<Sone, SoneStatus> soneStatuses = Collections.synchronizedMap(new HashMap<Sone, SoneStatus>());
@@ -102,13 +117,13 @@ public class Core extends AbstractService {
        /* various caches follow here. */
 
        /** Cache for all known Sones. */
-       private final Map<String, Sone> soneCache = new HashMap<String, Sone>();
+       private final Map<String, Sone> soneCache = Collections.synchronizedMap(new HashMap<String, Sone>());
 
        /** Cache for all known posts. */
-       private final Map<String, Post> postCache = new HashMap<String, Post>();
+       private final Map<String, Post> postCache = Collections.synchronizedMap(new HashMap<String, Post>());
 
        /** Cache for all known replies. */
-       private final Map<String, Reply> replyCache = new HashMap<String, Reply>();
+       private final Map<String, Reply> replyCache = Collections.synchronizedMap(new HashMap<String, Reply>());
 
        /**
         * Creates a new core.
@@ -157,6 +172,27 @@ public class Core extends AbstractService {
        }
 
        /**
+        * Returns the Web of Trust connector.
+        *
+        * @return The Web of Trust connector
+        */
+       public WebOfTrustConnector getWebOfTrustConnector() {
+               return webOfTrustConnector;
+       }
+
+       /**
+        * Sets the Web of Trust connector.
+        *
+        * @param webOfTrustConnector
+        *            The Web of Trust connector
+        * @return This core (for method chaining)
+        */
+       public Core setWebOfTrustConnector(WebOfTrustConnector webOfTrustConnector) {
+               this.webOfTrustConnector = webOfTrustConnector;
+               return this;
+       }
+
+       /**
         * Returns the local Sones.
         *
         * @return The local Sones
@@ -188,7 +224,7 @@ public class Core extends AbstractService {
         * @return All known sones
         */
        public Collection<Sone> getKnownSones() {
-               return soneCache.values();
+               return Collections.unmodifiableCollection(soneCache.values());
        }
 
        /**
@@ -197,14 +233,7 @@ public class Core extends AbstractService {
         * @return All remote Sones
         */
        public Collection<Sone> getRemoteSones() {
-               return Filters.filteredCollection(getKnownSones(), new Filter<Sone>() {
-
-                       @Override
-                       @SuppressWarnings("synthetic-access")
-                       public boolean filterObject(Sone object) {
-                               return !localSones.contains(object);
-                       }
-               });
+               return Collections.unmodifiableCollection(getKnownSones());
        }
 
        /**
@@ -429,6 +458,7 @@ public class Core extends AbstractService {
                                                } else {
                                                        addSone(parsedSone);
                                                }
+                                               setSoneStatus(parsedSone, SoneStatus.idle);
                                        }
                                } catch (MalformedURLException mue1) {
                                        logger.log(Level.INFO, "Could not create URI from “" + requestUri + "”.", mue1);
@@ -438,6 +468,26 @@ public class Core extends AbstractService {
        }
 
        /**
+        * Loads a Sone from an input stream.
+        *
+        * @param soneInputStream
+        *            The input stream to load the Sone from
+        * @return The parsed Sone, or {@code null} if the Sone could not be parsed
+        */
+       public Sone loadSone(InputStream soneInputStream) {
+               Sone parsedSone = soneDownloader.parseSone(soneInputStream);
+               if (parsedSone == null) {
+                       return null;
+               }
+               if (parsedSone.getInsertUri() != null) {
+                       addLocalSone(parsedSone);
+               } else {
+                       addSone(parsedSone);
+               }
+               return parsedSone;
+       }
+
+       /**
         * Loads and updates the given Sone.
         *
         * @param sone
@@ -478,6 +528,8 @@ public class Core extends AbstractService {
                SoneInserter soneInserter = soneInserters.remove(sone);
                soneInserter.stop();
                localSones.remove(sone);
+               soneStatuses.remove(sone);
+               soneCache.remove(sone.getId());
        }
 
        /**
@@ -544,8 +596,8 @@ public class Core extends AbstractService {
         *            The post to check for
         * @return All Sones that like the post
         */
-       public Set<Sone> getLikes(final Post post) {
-               return Filters.filteredSet(getSones(), new Filter<Sone>() {
+       public Collection<Sone> getLikes(final Post post) {
+               return Filters.filteredCollection(getKnownSones(), new Filter<Sone>() {
 
                        @Override
                        public boolean filterObject(Sone sone) {
@@ -561,8 +613,8 @@ public class Core extends AbstractService {
         *            The reply to check for
         * @return All Sones that like the reply
         */
-       public Set<Sone> getLikes(final Reply reply) {
-               return Filters.filteredSet(getSones(), new Filter<Sone>() {
+       public Collection<Sone> getLikes(final Reply reply) {
+               return Filters.filteredCollection(getKnownSones(), new Filter<Sone>() {
 
                        @Override
                        public boolean filterObject(Sone sone) {
@@ -613,12 +665,32 @@ public class Core extends AbstractService {
        //
 
        /**
+        * Adds some default Sones.
+        */
+       private void addDefaultSones() {
+               for (String soneUri : defaultSones) {
+                       loadSone(soneUri);
+               }
+       }
+
+       /**
         * Loads the configuration.
         */
        @SuppressWarnings("unchecked")
        private void loadConfiguration() {
                logger.entering(Core.class.getName(), "loadConfiguration()");
 
+               boolean firstStart = configuration.getBooleanValue("FirstStart").getValue(true);
+               if (firstStart) {
+                       logger.log(Level.INFO, "First start of Sone, adding a couple of default Sones…");
+                       addDefaultSones();
+                       try {
+                               configuration.getBooleanValue("FirstStart").setValue(false);
+                       } catch (ConfigurationException ce1) {
+                               logger.log(Level.WARNING, "Could not clear “first start” flag!");
+                       }
+               }
+
                options.addIntegerOption("InsertionDelay", new DefaultOption<Integer>(60, new OptionWatcher<Integer>() {
 
                        @Override
@@ -626,19 +698,28 @@ public class Core extends AbstractService {
                                SoneInserter.setInsertionDelay(newValue);
                        }
 
-               })).set(configuration.getIntValue("Option/InsertionDelay").getValue(null));
+               }));
 
-               options.addBooleanOption("ClearOnNextRestart", new DefaultOption<Boolean>(false)).set(configuration.getBooleanValue("Option/ClearOnNextRestart").getValue(null));
-               options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption<Boolean>(false)).set(configuration.getBooleanValue("Option/ReallyClearOnNextRestart").getValue(null));
+               options.addBooleanOption("ClearOnNextRestart", new DefaultOption<Boolean>(false));
+               options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption<Boolean>(false));
 
+               if (firstStart) {
+                       return;
+               }
+
+               options.getBooleanOption("ClearOnNextRestart").set(configuration.getBooleanValue("Option/ClearOnNextRestart").getValue(null));
+               options.getBooleanOption("ReallyClearOnNextRestart").set(configuration.getBooleanValue("Option/ReallyClearOnNextRestart").getValue(null));
                boolean clearConfiguration = options.getBooleanOption("ClearOnNextRestart").get() && options.getBooleanOption("ReallyClearOnNextRestart").get();
                options.getBooleanOption("ClearOnNextRestart").set(null);
                options.getBooleanOption("ReallyClearOnNextRestart").set(null);
                if (clearConfiguration) {
                        /* stop loading the configuration. */
+                       addDefaultSones();
                        return;
                }
 
+               options.getIntegerOption("InsertionDelay").set(configuration.getIntValue("Option/InsertionDelay").getValue(null));
+
                /* parse local Sones. */
                logger.log(Level.INFO, "Loading Sones…");
                int soneId = 0;
@@ -708,17 +789,6 @@ public class Core extends AbstractService {
                                        sone.addFriend(friendSone);
                                }
 
-                               /* load blocked Sone IDs. */
-                               int blockedSoneCounter = 0;
-                               while (true) {
-                                       String blockedSonePrefix = sonePrefix + "/BlockedSone." + blockedSoneCounter++;
-                                       String blockedSoneId = configuration.getStringValue(blockedSonePrefix + "/ID").getValue(null);
-                                       if (blockedSoneId == null) {
-                                               break;
-                                       }
-                                       sone.addBlockedSoneId(blockedSoneId);
-                               }
-
                                /* load liked post IDs. */
                                int likedPostIdCounter = 0;
                                while (true) {
@@ -749,23 +819,6 @@ public class Core extends AbstractService {
                } while (true);
                logger.log(Level.INFO, "Loaded %d Sones.", getSones().size());
 
-               /* load all known Sones. */
-               int knownSonesCounter = 0;
-               while (true) {
-                       String knownSonePrefix = "KnownSone." + knownSonesCounter++;
-                       String knownSoneId = configuration.getStringValue(knownSonePrefix + "/ID").getValue(null);
-                       if (knownSoneId == null) {
-                               break;
-                       }
-                       String knownSoneName = configuration.getStringValue(knownSonePrefix + "/Name").getValue(null);
-                       String knownSoneKey = configuration.getStringValue(knownSonePrefix + "/Key").getValue(null);
-                       try {
-                               getSone(knownSoneId).setName(knownSoneName).setRequestUri(new FreenetURI(knownSoneKey));
-                       } catch (MalformedURLException mue1) {
-                               logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + knownSoneKey + "”)!", mue1);
-                       }
-               }
-
                /* load all remote Sones. */
                for (Sone remoteSone : getRemoteSones()) {
                        loadSone(remoteSone);
@@ -835,14 +888,6 @@ public class Core extends AbstractService {
                                /* write null ID as terminator. */
                                configuration.getStringValue(sonePrefix + "/Friend." + friendId + "/ID").setValue(null);
 
-                               /* write all blocked Sones. */
-                               int blockedSoneCounter = 0;
-                               for (String blockedSoneId : sone.getBlockedSoneIds()) {
-                                       String blockedSonePrefix = sonePrefix + "/BlockedSone." + blockedSoneCounter++;
-                                       configuration.getStringValue(blockedSonePrefix + "/ID").setValue(blockedSoneId);
-                               }
-                               configuration.getStringValue(sonePrefix + "/BlockedSone." + blockedSoneCounter + "/ID").setValue(null);
-
                                /* write all liked posts. */
                                int likedPostIdCounter = 0;
                                for (String soneLikedPostId : sone.getLikedPostIds()) {
@@ -863,17 +908,6 @@ public class Core extends AbstractService {
                        /* write null ID as terminator. */
                        configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null);
 
-                       /* write all known Sones. */
-                       int knownSonesCounter = 0;
-                       for (Sone knownSone : getRemoteSones()) {
-                               String knownSonePrefix = "KnownSone." + knownSonesCounter++;
-                               configuration.getStringValue(knownSonePrefix + "/ID").setValue(knownSone.getId());
-                               configuration.getStringValue(knownSonePrefix + "/Name").setValue(knownSone.getName());
-                               configuration.getStringValue(knownSonePrefix + "/Key").setValue(knownSone.getRequestUri().toString());
-                               /* TODO - store all known stuff? */
-                       }
-                       configuration.getStringValue("KnownSone." + knownSonesCounter + "/ID").setValue(null);
-
                } catch (ConfigurationException ce1) {
                        logger.log(Level.WARNING, "Could not store configuration!", ce1);
                }