X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FCore.java;h=1a1c6df5dfedc63fec66604c0866b85c3ddde3a8;hb=9fea8628dd505e8dafa09c2dd995e43b7199a892;hp=37cbe79890b771a1eb816fdac045a7891e1d282a;hpb=156628991e689bd5f781f0092d162b38a00fa0cd;p=Sone.git diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java index 37cbe79..da9bd83 100644 --- a/src/main/java/net/pterodactylus/sone/core/Core.java +++ b/src/main/java/net/pterodactylus/sone/core/Core.java @@ -1,5 +1,5 @@ /* - * FreenetSone - Core.java - Copyright © 2010 David Roden + * Sone - Core.java - Copyright © 2010–2013 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 @@ -17,71 +17,220 @@ package net.pterodactylus.sone.core; -import java.net.MalformedURLException; +import static com.google.common.base.Optional.fromNullable; +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; +import static com.google.common.primitives.Longs.tryParse; +import static java.lang.String.format; +import static java.util.logging.Level.WARNING; +import static java.util.logging.Logger.getLogger; + import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; +import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; +import java.util.Map.Entry; import java.util.Set; -import java.util.UUID; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; import java.util.logging.Level; import java.util.logging.Logger; -import net.pterodactylus.sone.core.SoneException.Type; +import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidAlbumFound; +import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidImageFound; +import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidParentAlbumFound; +import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostFound; +import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostReplyFound; +import net.pterodactylus.sone.core.SoneChangeDetector.PostProcessor; +import net.pterodactylus.sone.core.SoneChangeDetector.PostReplyProcessor; +import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent; +import net.pterodactylus.sone.core.event.MarkPostKnownEvent; +import net.pterodactylus.sone.core.event.MarkPostReplyKnownEvent; +import net.pterodactylus.sone.core.event.MarkSoneKnownEvent; +import net.pterodactylus.sone.core.event.NewPostFoundEvent; +import net.pterodactylus.sone.core.event.NewPostReplyFoundEvent; +import net.pterodactylus.sone.core.event.NewSoneFoundEvent; +import net.pterodactylus.sone.core.event.PostRemovedEvent; +import net.pterodactylus.sone.core.event.PostReplyRemovedEvent; +import net.pterodactylus.sone.core.event.SoneLockedEvent; +import net.pterodactylus.sone.core.event.SoneRemovedEvent; +import net.pterodactylus.sone.core.event.SoneUnlockedEvent; +import net.pterodactylus.sone.data.Album; +import net.pterodactylus.sone.data.Client; +import net.pterodactylus.sone.data.Image; import net.pterodactylus.sone.data.Post; +import net.pterodactylus.sone.data.PostReply; import net.pterodactylus.sone.data.Profile; +import net.pterodactylus.sone.data.Profile.Field; import net.pterodactylus.sone.data.Reply; import net.pterodactylus.sone.data.Sone; +import net.pterodactylus.sone.data.Sone.ShowCustomAvatars; +import net.pterodactylus.sone.data.Sone.SoneStatus; +import net.pterodactylus.sone.data.TemporaryImage; +import net.pterodactylus.sone.database.AlbumBuilder; +import net.pterodactylus.sone.database.Database; +import net.pterodactylus.sone.database.DatabaseException; +import net.pterodactylus.sone.database.ImageBuilder; +import net.pterodactylus.sone.database.PostBuilder; +import net.pterodactylus.sone.database.PostProvider; +import net.pterodactylus.sone.database.PostReplyBuilder; +import net.pterodactylus.sone.database.PostReplyProvider; +import net.pterodactylus.sone.database.SoneBuilder; +import net.pterodactylus.sone.database.SoneProvider; +import net.pterodactylus.sone.freenet.wot.Identity; +import net.pterodactylus.sone.freenet.wot.IdentityManager; +import net.pterodactylus.sone.freenet.wot.OwnIdentity; +import net.pterodactylus.sone.freenet.wot.event.IdentityAddedEvent; +import net.pterodactylus.sone.freenet.wot.event.IdentityRemovedEvent; +import net.pterodactylus.sone.freenet.wot.event.IdentityUpdatedEvent; +import net.pterodactylus.sone.freenet.wot.event.OwnIdentityAddedEvent; +import net.pterodactylus.sone.freenet.wot.event.OwnIdentityRemovedEvent; +import net.pterodactylus.sone.main.SonePlugin; import net.pterodactylus.util.config.Configuration; import net.pterodactylus.util.config.ConfigurationException; -import net.pterodactylus.util.logging.Logging; import net.pterodactylus.util.service.AbstractService; -import freenet.keys.FreenetURI; +import net.pterodactylus.util.thread.NamedThreadFactory; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Function; +import com.google.common.base.Optional; +import com.google.common.collect.FluentIterable; +import com.google.common.collect.HashMultimap; +import com.google.common.collect.Multimap; +import com.google.common.collect.Multimaps; +import com.google.common.eventbus.EventBus; +import com.google.common.eventbus.Subscribe; +import com.google.inject.Inject; +import com.google.inject.Singleton; /** * The Sone core. * * @author David ‘Bombe’ Roden */ -public class Core extends AbstractService { +@Singleton +public class Core extends AbstractService implements SoneProvider, PostProvider, PostReplyProvider { /** The logger. */ - private static final Logger logger = Logging.getLogger(Core.class); + private static final Logger logger = getLogger(Core.class.getName()); + + /** The start time. */ + private final long startupTime = System.currentTimeMillis(); + + /** The preferences. */ + private final Preferences preferences; + + /** The event bus. */ + private final EventBus eventBus; /** The configuration. */ - private Configuration configuration; + private final Configuration configuration; + + /** Whether we’re currently saving the configuration. */ + private boolean storingConfiguration = false; + + /** The identity manager. */ + private final IdentityManager identityManager; /** Interface to freenet. */ - private FreenetInterface freenetInterface; + private final FreenetInterface freenetInterface; /** The Sone downloader. */ - private SoneDownloader soneDownloader; + private final SoneDownloader soneDownloader; + + /** The image inserter. */ + private final ImageInserter imageInserter; - /** The local Sones. */ - private final Set localSones = new HashSet(); + /** Sone downloader thread-pool. */ + private final ExecutorService soneDownloaders = Executors.newFixedThreadPool(10, new NamedThreadFactory("Sone Downloader %2$d")); + + /** The update checker. */ + private final UpdateChecker updateChecker; + + /** The trust updater. */ + private final WebOfTrustUpdater webOfTrustUpdater; + + /** The times Sones were followed. */ + private final Map soneFollowingTimes = new HashMap(); + + /** Locked local Sones. */ + /* synchronize on itself. */ + private final Set lockedSones = new HashSet(); /** Sone inserters. */ + /* synchronize access on this on sones. */ private final Map soneInserters = new HashMap(); - /* various caches follow here. */ + /** Sone rescuers. */ + /* synchronize access on this on sones. */ + private final Map soneRescuers = new HashMap(); - /** Cache for all known Sones. */ - private final Map soneCache = new HashMap(); + /** All known Sones. */ + private final Set knownSones = new HashSet(); - /** Cache for all known posts. */ - private final Map postCache = new HashMap(); + /** The post database. */ + private final Database database; - /** Cache for all known replies. */ - private final Map replyCache = new HashMap(); + /** Trusted identities, sorted by own identities. */ + private final Multimap trustedIdentities = Multimaps.synchronizedSetMultimap(HashMultimap.create()); + + /** All temporary images. */ + private final Map temporaryImages = new HashMap(); + + /** Ticker for threads that mark own elements as known. */ + private final ScheduledExecutorService localElementTicker = Executors.newScheduledThreadPool(1); + + /** The time the configuration was last touched. */ + private volatile long lastConfigurationUpdate; /** * Creates a new core. + * + * @param configuration + * The configuration of the core + * @param freenetInterface + * The freenet interface + * @param identityManager + * The identity manager + * @param webOfTrustUpdater + * The WebOfTrust updater + * @param eventBus + * The event bus + * @param database + * The database */ - public Core() { + @Inject + public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) { + super("Sone Core"); + this.configuration = configuration; + this.freenetInterface = freenetInterface; + this.identityManager = identityManager; + this.soneDownloader = new SoneDownloaderImpl(this, freenetInterface); + this.imageInserter = new ImageInserter(freenetInterface, freenetInterface.new InsertTokenSupplier()); + this.updateChecker = new UpdateChecker(eventBus, freenetInterface); + this.webOfTrustUpdater = webOfTrustUpdater; + this.eventBus = eventBus; + this.database = database; + preferences = new Preferences(eventBus); + } + + @VisibleForTesting + protected Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, SoneDownloader soneDownloader, ImageInserter imageInserter, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) { super("Sone Core"); + this.configuration = configuration; + this.freenetInterface = freenetInterface; + this.identityManager = identityManager; + this.soneDownloader = soneDownloader; + this.imageInserter = imageInserter; + this.updateChecker = updateChecker; + this.webOfTrustUpdater = webOfTrustUpdater; + this.eventBus = eventBus; + this.database = database; + preferences = new Preferences(eventBus); } // @@ -89,401 +238,1546 @@ public class Core extends AbstractService { // /** - * Sets the configuration of the core. + * Returns the time Sone was started. * - * @param configuration - * The configuration of the core - * @return This core (for method chaining) + * @return The startup time (in milliseconds since Jan 1, 1970 UTC) */ - public Core configuration(Configuration configuration) { - this.configuration = configuration; - return this; + public long getStartupTime() { + return startupTime; } /** - * Sets the Freenet interface to use. + * Returns the options used by the core. * - * @param freenetInterface - * The Freenet interface to use - * @return This core (for method chaining) + * @return The options of the core */ - public Core freenetInterface(FreenetInterface freenetInterface) { - this.freenetInterface = freenetInterface; - soneDownloader = new SoneDownloader(this, freenetInterface); - soneDownloader.start(); - return this; + public Preferences getPreferences() { + return preferences; } /** - * Returns the local Sones. + * Returns the identity manager used by the core. * - * @return The local Sones + * @return The identity manager */ - public Set getSones() { - return Collections.unmodifiableSet(localSones); + public IdentityManager getIdentityManager() { + return identityManager; } /** - * Returns the Sone with the given ID, or an empty Sone that has been - * initialized with the given ID. + * Returns the update checker. * - * @param soneId - * The ID of the Sone - * @return The Sone + * @return The update checker */ - public Sone getSone(String soneId) { - if (!soneCache.containsKey(soneId)) { - Sone sone = new Sone(soneId); - soneCache.put(soneId, sone); - } - return soneCache.get(soneId); + public UpdateChecker getUpdateChecker() { + return updateChecker; } /** - * Creates a new post. + * Returns the Sone rescuer for the given local Sone. * * @param sone - * The sone that creates the post - * @param text - * The text of the post - * @return The created post + * The local Sone to get the rescuer for + * @return The Sone rescuer for the given Sone */ - public Post createPost(Sone sone, String text) { - return createPost(sone, System.currentTimeMillis(), text); + public SoneRescuer getSoneRescuer(Sone sone) { + checkNotNull(sone, "sone must not be null"); + checkArgument(sone.isLocal(), "sone must be local"); + synchronized (soneRescuers) { + SoneRescuer soneRescuer = soneRescuers.get(sone); + if (soneRescuer == null) { + soneRescuer = new SoneRescuer(this, soneDownloader, sone); + soneRescuers.put(sone, soneRescuer); + soneRescuer.start(); + } + return soneRescuer; + } } /** - * Creates a new post. + * Returns whether the given Sone is currently locked. * * @param sone - * The Sone that creates the post - * @param time - * The time of the post - * @param text - * The text of the post - * @return The created post + * The sone to check + * @return {@code true} if the Sone is locked, {@code false} if it is not */ - public Post createPost(Sone sone, long time, String text) { - Post post = getPost(UUID.randomUUID().toString()).setSone(sone).setTime(time).setText(text); - sone.addPost(post); - return post; + public boolean isLocked(Sone sone) { + synchronized (lockedSones) { + return lockedSones.contains(sone); + } } - // - // ACTIONS - // + public SoneBuilder soneBuilder() { + return database.newSoneBuilder(); + } /** - * Adds the given Sone. - * - * @param sone - * The Sone to add + * {@inheritDocs} */ - public void addLocalSone(Sone sone) { - if (localSones.add(sone)) { - SoneInserter soneInserter = new SoneInserter(freenetInterface, sone); - soneInserter.start(); - soneDownloader.addSone(sone); - soneInserters.put(sone, soneInserter); - } + @Override + public Collection getSones() { + return database.getSones(); + } + + @Override + public Function> soneLoader() { + return database.soneLoader(); } /** - * Creates a new Sone at a random location. + * Returns the Sone with the given ID, regardless whether it’s local or + * remote. * - * @param name - * The name of the Sone - * @return The created Sone - * @throws SoneException - * if a Sone error occurs + * @param id + * The ID of the Sone to get + * @return The Sone with the given ID, or {@code null} if there is no such + * Sone + */ + @Override + public Optional getSone(String id) { + return database.getSone(id); + } + + /** + * {@inheritDocs} */ - public Sone createSone(String name) throws SoneException { - return createSone(name, null, null); + @Override + public Collection getLocalSones() { + return database.getLocalSones(); } /** - * Creates a new Sone at the given location. If one of {@code requestUri} or - * {@code insertUrI} is {@code null}, the Sone is created at a random - * location. + * Returns the local Sone with the given ID, optionally creating a new Sone. * - * @param name - * The name of the Sone - * @param requestUri - * The request URI of the Sone, or {@link NullPointerException} - * to create a Sone at a random location - * @param insertUri - * The insert URI of the Sone, or {@code null} to create a Sone - * at a random location - * @return The created Sone - * @throws SoneException - * if a Sone error occurs - */ - public Sone createSone(String name, String requestUri, String insertUri) throws SoneException { - if ((name == null) || (name.trim().length() == 0)) { - throw new SoneException(Type.INVALID_SONE_NAME); - } - String finalRequestUri; - String finalInsertUri; - if ((requestUri == null) || (insertUri == null)) { - String[] keyPair = freenetInterface.generateKeyPair(); - finalRequestUri = keyPair[0]; - finalInsertUri = keyPair[1]; - } else { - finalRequestUri = requestUri; - finalInsertUri = insertUri; - } - Sone sone; - try { - logger.log(Level.FINEST, "Creating new Sone “%s” at %s (%s)…", new Object[] { name, finalRequestUri, finalInsertUri }); - sone = getSone(UUID.randomUUID().toString()).setName(name).setRequestUri(new FreenetURI(finalRequestUri).setKeyType("USK").setDocName("Sone-" + name)).setInsertUri(new FreenetURI(finalInsertUri).setKeyType("USK").setDocName("Sone-" + name)); - sone.setProfile(new Profile()); - /* set modification counter to 1 so it is inserted immediately. */ - sone.setModificationCounter(1); - addLocalSone(sone); - } catch (MalformedURLException mue1) { - throw new SoneException(Type.INVALID_URI); + * @param id + * The ID of the Sone + * @return The Sone with the given ID, or {@code null} + */ + public Sone getLocalSone(String id) { + Optional sone = database.getSone(id); + if (sone.isPresent() && sone.get().isLocal()) { + return sone.get(); } - return sone; + return null; + } + + /** + * {@inheritDocs} + */ + @Override + public Collection getRemoteSones() { + return database.getRemoteSones(); + } + + /** + * Returns the remote Sone with the given ID. + * + * + * @param id + * The ID of the remote Sone to get + * @return The Sone with the given ID + */ + public Sone getRemoteSone(String id) { + return database.getSone(id).orNull(); } /** - * Deletes the given Sone from this plugin instance. + * Returns whether the given Sone has been modified. * * @param sone - * The sone to delete + * The Sone to check for modifications + * @return {@code true} if a modification has been detected in the Sone, + * {@code false} otherwise */ - public void deleteSone(Sone sone) { - SoneInserter soneInserter = soneInserters.remove(sone); - soneInserter.stop(); - localSones.remove(sone); + public boolean isModifiedSone(Sone sone) { + return soneInserters.containsKey(sone) && soneInserters.get(sone).isModified(); } /** - * Returns the post with the given ID. If no post exists yet with the given - * ID, a new post is returned. + * Returns the time when the given was first followed by any local Sone. * - * @param postId - * The ID of the post - * @return The post + * @param sone + * The Sone to get the time for + * @return The time (in milliseconds since Jan 1, 1970) the Sone has first + * been followed, or {@link Long#MAX_VALUE} */ - public Post getPost(String postId) { - if (!postCache.containsKey(postId)) { - postCache.put(postId, new Post(postId)); + public long getSoneFollowingTime(Sone sone) { + synchronized (soneFollowingTimes) { + return Optional.fromNullable(soneFollowingTimes.get(sone.getId())).or(Long.MAX_VALUE); } - return postCache.get(postId); } /** - * Returns the reply with the given ID. If no reply exists yet with the - * given ID, a new reply is returned. + * Returns a post builder. * - * @param replyId - * The ID of the reply - * @return The reply + * @return A new post builder */ - public Reply getReply(String replyId) { - if (!replyCache.containsKey(replyId)) { - replyCache.put(replyId, new Reply(replyId)); - } - return replyCache.get(replyId); + public PostBuilder postBuilder() { + return database.newPostBuilder(); + } + + /** + * {@inheritDoc} + */ + @Override + public Optional getPost(String postId) { + return database.getPost(postId); + } + + /** + * {@inheritDocs} + */ + @Override + public Collection getPosts(String soneId) { + return database.getPosts(soneId); + } + + /** + * {@inheritDoc} + */ + @Override + public Collection getDirectedPosts(final String recipientId) { + checkNotNull(recipientId, "recipient must not be null"); + return database.getDirectedPosts(recipientId); + } + + /** + * Returns a post reply builder. + * + * @return A new post reply builder + */ + public PostReplyBuilder postReplyBuilder() { + return database.newPostReplyBuilder(); + } + + /** + * {@inheritDoc} + */ + @Override + public Optional getPostReply(String replyId) { + return database.getPostReply(replyId); + } + + /** + * {@inheritDoc} + */ + @Override + public List getReplies(final String postId) { + return database.getReplies(postId); } /** - * Gets all replies to the given post, sorted by date, oldest first. + * Returns all Sones that have liked the given post. * * @param post - * The post the replies refer to - * @return The sorted list of replies for the post + * The post to get the liking Sones for + * @return The Sones that like the given post */ - public List getReplies(Post post) { - List replies = new ArrayList(); - for (Reply reply : replyCache.values()) { - if (reply.getPost().equals(post)) { - replies.add(reply); + public Set getLikes(Post post) { + Set sones = new HashSet(); + for (Sone sone : getSones()) { + if (sone.getLikedPostIds().contains(post.getId())) { + sones.add(sone); } } - Collections.sort(replies, new Comparator() { + return sones; + } - /** - * {@inheritDoc} - */ - @Override - public int compare(Reply leftReply, Reply rightReply) { - return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime())); + /** + * Returns all Sones that have liked the given reply. + * + * @param reply + * The reply to get the liking Sones for + * @return The Sones that like the given reply + */ + public Set getLikes(PostReply reply) { + Set sones = new HashSet(); + for (Sone sone : getSones()) { + if (sone.getLikedReplyIds().contains(reply.getId())) { + sones.add(sone); } - }); - return replies; + } + return sones; } - // - // SERVICE METHODS - // + /** + * Returns whether the given post is bookmarked. + * + * @param post + * The post to check + * @return {@code true} if the given post is bookmarked, {@code false} + * otherwise + */ + public boolean isBookmarked(Post post) { + return database.isPostBookmarked(post); + } /** - * {@inheritDoc} + * Returns all currently known bookmarked posts. + * + * @return All bookmarked posts */ - @Override - protected void serviceStart() { - loadConfiguration(); + public Set getBookmarkedPosts() { + return database.getBookmarkedPosts(); + } + + public AlbumBuilder albumBuilder() { + return database.newAlbumBuilder(); } /** - * {@inheritDoc} + * Returns the album with the given ID, optionally creating a new album if + * an album with the given ID can not be found. + * + * @param albumId + * The ID of the album + * @return The album with the given ID, or {@code null} if no album with the + * given ID exists */ - @Override - protected void serviceStop() { - soneDownloader.stop(); - /* stop all Sone inserters. */ - for (SoneInserter soneInserter : soneInserters.values()) { - soneInserter.stop(); + public Album getAlbum(String albumId) { + return database.getAlbum(albumId).orNull(); + } + + public ImageBuilder imageBuilder() { + return database.newImageBuilder(); + } + + /** + * Returns the image with the given ID, creating it if necessary. + * + * @param imageId + * The ID of the image + * @return The image with the given ID + */ + public Image getImage(String imageId) { + return getImage(imageId, true); + } + + /** + * Returns the image with the given ID, optionally creating it if it does + * not exist. + * + * @param imageId + * The ID of the image + * @param create + * {@code true} to create an image if none exists with the given + * ID + * @return The image with the given ID, or {@code null} if none exists and + * none was created + */ + public Image getImage(String imageId, boolean create) { + Optional image = database.getImage(imageId); + if (image.isPresent()) { + return image.get(); + } + if (!create) { + return null; + } + Image newImage = database.newImageBuilder().withId(imageId).build(); + database.storeImage(newImage); + return newImage; + } + + /** + * Returns the temporary image with the given ID. + * + * @param imageId + * The ID of the temporary image + * @return The temporary image, or {@code null} if there is no temporary + * image with the given ID + */ + public TemporaryImage getTemporaryImage(String imageId) { + synchronized (temporaryImages) { + return temporaryImages.get(imageId); } - saveConfiguration(); } // - // PRIVATE METHODS + // ACTIONS // /** - * Loads the configuration. + * Locks the given Sone. A locked Sone will not be inserted by + * {@link SoneInserter} until it is {@link #unlockSone(Sone) unlocked} + * again. + * + * @param sone + * The sone to lock */ - private void loadConfiguration() { - logger.entering(Core.class.getName(), "loadConfiguration()"); - - /* parse local Sones. */ - logger.log(Level.INFO, "Loading Sones…"); - int soneId = 0; - do { - String sonePrefix = "Sone/Sone." + soneId++; - String id = configuration.getStringValue(sonePrefix + "/ID").getValue(null); - if (id == null) { - break; + public void lockSone(Sone sone) { + synchronized (lockedSones) { + if (lockedSones.add(sone)) { + eventBus.post(new SoneLockedEvent(sone)); } - String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null); - String insertUri = configuration.getStringValue(sonePrefix + "/InsertURI").getValue(null); - String requestUri = configuration.getStringValue(sonePrefix + "/RequestURI").getValue(null); - long modificationCounter = configuration.getLongValue(sonePrefix + "/ModificationCounter").getValue((long) 0); - String firstName = configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null); - String middleName = configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null); - String lastName = configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null); - try { - Profile profile = new Profile(); - profile.setFirstName(firstName); - profile.setMiddleName(middleName); - profile.setLastName(lastName); - Sone sone = getSone(id).setName(name).setRequestUri(new FreenetURI(requestUri)).setInsertUri(new FreenetURI(insertUri)); - sone.setProfile(profile); - int postId = 0; - do { - String postPrefix = sonePrefix + "/Post." + postId++; - id = configuration.getStringValue(postPrefix + "/ID").getValue(null); - if (id == null) { - break; - } - long time = configuration.getLongValue(postPrefix + "/Time").getValue(null); - String text = configuration.getStringValue(postPrefix + "/Text").getValue(null); - Post post = getPost(id).setSone(sone).setTime(time).setText(text); - sone.addPost(post); - } while (true); - int replyCounter = 0; - do { - String replyPrefix = sonePrefix + "/Reply." + replyCounter++; - String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null); - if (replyId == null) { - break; - } - Post replyPost = getPost(configuration.getStringValue(replyPrefix + "/Post").getValue(null)); - long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue(null); - String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null); - Reply reply = getReply(replyId).setSone(sone).setPost(replyPost).setTime(replyTime).setText(replyText); - sone.addReply(reply); - } while (true); - - /* load friends. */ - int friendCounter = 0; - while (true) { - String friendPrefix = sonePrefix + "/Friend." + friendCounter++; - String friendId = configuration.getStringValue(friendPrefix + "/ID").getValue(null); - if (friendId == null) { - break; - } - Sone friendSone = getSone(friendId); - String friendKey = configuration.getStringValue(friendPrefix + "/Key").getValue(null); - String friendName = configuration.getStringValue(friendPrefix + "/Name").getValue(null); - friendSone.setRequestUri(new FreenetURI(friendKey)).setName(friendName); - soneDownloader.addSone(friendSone); - sone.addFriend(friendSone); - } + } + } - sone.setModificationCounter(modificationCounter); - addLocalSone(sone); - } catch (MalformedURLException mue1) { - logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1); + /** + * Unlocks the given Sone. + * + * @see #lockSone(Sone) + * @param sone + * The sone to unlock + */ + public void unlockSone(Sone sone) { + synchronized (lockedSones) { + if (lockedSones.remove(sone)) { + eventBus.post(new SoneUnlockedEvent(sone)); } - } while (true); - logger.log(Level.INFO, "Loaded %d Sones.", getSones().size()); + } + } + + /** + * Adds a local Sone from the given own identity. + * + * @param ownIdentity + * The own identity to create a Sone from + * @return The added (or already existing) Sone + */ + public Sone addLocalSone(OwnIdentity ownIdentity) { + if (ownIdentity == null) { + logger.log(Level.WARNING, "Given OwnIdentity is null!"); + return null; + } + logger.info(String.format("Adding Sone from OwnIdentity: %s", ownIdentity)); + Sone sone = database.newSoneBuilder().local().from(ownIdentity).build(); + String property = fromNullable(ownIdentity.getProperty("Sone.LatestEdition")).or("0"); + sone.setLatestEdition(fromNullable(tryParse(property)).or(0L)); + sone.setClient(new Client("Sone", SonePlugin.VERSION.toString())); + sone.setKnown(true); + SoneInserter soneInserter = new SoneInserter(this, eventBus, freenetInterface, ownIdentity.getId()); + eventBus.register(soneInserter); + synchronized (soneInserters) { + soneInserters.put(sone, soneInserter); + } + loadSone(sone); + sone.setStatus(SoneStatus.idle); + soneInserter.start(); + return sone; + } + + /** + * Creates a new Sone for the given own identity. + * + * @param ownIdentity + * The own identity to create a Sone for + * @return The created Sone + */ + public Sone createSone(OwnIdentity ownIdentity) { + if (!webOfTrustUpdater.addContextWait(ownIdentity, "Sone")) { + logger.log(Level.SEVERE, String.format("Could not add “Sone” context to own identity: %s", ownIdentity)); + return null; + } + Sone sone = addLocalSone(ownIdentity); - logger.exiting(Core.class.getName(), "loadConfiguration()"); + followSone(sone, "nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI"); + touchConfiguration(); + return sone; } /** - * Saves the configuraiton. + * Adds the Sone of the given identity. + * + * @param identity + * The identity whose Sone to add + * @return The added or already existing Sone */ - private void saveConfiguration() { - Set sones = getSones(); - logger.log(Level.INFO, "Storing %d Sones…", sones.size()); - try { - /* store all Sones. */ - int soneId = 0; - for (Sone sone : localSones) { - String sonePrefix = "Sone/Sone." + soneId++; - configuration.getStringValue(sonePrefix + "/ID").setValue(sone.getId()); - configuration.getStringValue(sonePrefix + "/Name").setValue(sone.getName()); - configuration.getStringValue(sonePrefix + "/RequestURI").setValue(sone.getRequestUri().toString()); - configuration.getStringValue(sonePrefix + "/InsertURI").setValue(sone.getInsertUri().toString()); - configuration.getLongValue(sonePrefix + "/ModificationCounter").setValue(sone.getModificationCounter()); - Profile profile = sone.getProfile(); - configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName()); - configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName()); - configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName()); - int postId = 0; - for (Post post : sone.getPosts()) { - String postPrefix = sonePrefix + "/Post." + postId++; - configuration.getStringValue(postPrefix + "/ID").setValue(post.getId()); - configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime()); - configuration.getStringValue(postPrefix + "/Text").setValue(post.getText()); + public Sone addRemoteSone(Identity identity) { + if (identity == null) { + logger.log(Level.WARNING, "Given Identity is null!"); + return null; + } + final Long latestEdition = tryParse(fromNullable( + identity.getProperty("Sone.LatestEdition")).or("0")); + Optional existingSone = getSone(identity.getId()); + if (existingSone.isPresent() && existingSone.get().isLocal()) { + return existingSone.get(); + } + boolean newSone = !existingSone.isPresent(); + Sone sone = !newSone ? existingSone.get() : database.newSoneBuilder().from(identity).build(); + sone.setLatestEdition(latestEdition); + if (newSone) { + synchronized (knownSones) { + newSone = !knownSones.contains(sone.getId()); + } + sone.setKnown(!newSone); + if (newSone) { + eventBus.post(new NewSoneFoundEvent(sone)); + for (Sone localSone : getLocalSones()) { + if (localSone.getOptions().isAutoFollow()) { + followSone(localSone, sone.getId()); + } + } + } + } + database.storeSone(sone); + soneDownloader.addSone(sone); + soneDownloaders.execute(soneDownloader.fetchSoneWithUriAction(sone)); + return sone; + } + + /** + * Lets the given local Sone follow the Sone with the given ID. + * + * @param sone + * The local Sone that should follow another Sone + * @param soneId + * The ID of the Sone to follow + */ + public void followSone(Sone sone, String soneId) { + checkNotNull(sone, "sone must not be null"); + checkNotNull(soneId, "soneId must not be null"); + database.addFriend(sone, soneId); + synchronized (soneFollowingTimes) { + if (!soneFollowingTimes.containsKey(soneId)) { + long now = System.currentTimeMillis(); + soneFollowingTimes.put(soneId, now); + Optional followedSone = getSone(soneId); + if (!followedSone.isPresent()) { + return; } - /* write null ID as terminator. */ - configuration.getStringValue(sonePrefix + "/Post." + postId + "/ID").setValue(null); - - int replyId = 0; - for (Reply reply : sone.getReplies()) { - String replyPrefix = sonePrefix + "/Reply." + replyId++; - configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId()); - configuration.getStringValue(replyPrefix + "/Post").setValue(reply.getPost().getId()); - configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime()); - configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText()); + for (Post post : followedSone.get().getPosts()) { + if (post.getTime() < now) { + markPostKnown(post); + } } - /* write null ID as terminator. */ - configuration.getStringValue(sonePrefix + "/Reply." + replyId + "/ID").setValue(null); - - int friendId = 0; - for (Sone friend : sone.getFriends()) { - String friendPrefix = sonePrefix + "/Friend." + friendId++; - configuration.getStringValue(friendPrefix + "/ID").setValue(friend.getId()); - configuration.getStringValue(friendPrefix + "/Key").setValue(friend.getRequestUri().toString()); - configuration.getStringValue(friendPrefix + "/Name").setValue(friend.getName()); + for (PostReply reply : followedSone.get().getReplies()) { + if (reply.getTime() < now) { + markReplyKnown(reply); + } } - /* write null ID as terminator. */ - configuration.getStringValue(sonePrefix + "/Friend." + friendId + "/ID").setValue(null); - } - /* write null ID as terminator. */ - configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null); + } + touchConfiguration(); + } - } catch (ConfigurationException ce1) { - logger.log(Level.WARNING, "Could not store configuration!", ce1); + /** + * Lets the given local Sone unfollow the Sone with the given ID. + * + * @param sone + * The local Sone that should unfollow another Sone + * @param soneId + * The ID of the Sone being unfollowed + */ + public void unfollowSone(Sone sone, String soneId) { + checkNotNull(sone, "sone must not be null"); + checkNotNull(soneId, "soneId must not be null"); + database.removeFriend(sone, soneId); + boolean unfollowedSoneStillFollowed = false; + for (Sone localSone : getLocalSones()) { + unfollowedSoneStillFollowed |= localSone.hasFriend(soneId); + } + if (!unfollowedSoneStillFollowed) { + synchronized (soneFollowingTimes) { + soneFollowingTimes.remove(soneId); + } } + touchConfiguration(); + } + + /** + * Sets the trust value of the given origin Sone for the target Sone. + * + * @param origin + * The origin Sone + * @param target + * The target Sone + * @param trustValue + * The trust value (from {@code -100} to {@code 100}) + */ + public void setTrust(Sone origin, Sone target, int trustValue) { + checkNotNull(origin, "origin must not be null"); + checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone"); + checkNotNull(target, "target must not be null"); + checkArgument((trustValue >= -100) && (trustValue <= 100), "trustValue must be within [-100, 100]"); + webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), trustValue, preferences.getTrustComment()); + } + + /** + * Removes any trust assignment for the given target Sone. + * + * @param origin + * The trust origin + * @param target + * The trust target + */ + public void removeTrust(Sone origin, Sone target) { + checkNotNull(origin, "origin must not be null"); + checkNotNull(target, "target must not be null"); + checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone"); + webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), null, null); + } + + /** + * Assigns the configured positive trust value for the given target. + * + * @param origin + * The trust origin + * @param target + * The trust target + */ + public void trustSone(Sone origin, Sone target) { + setTrust(origin, target, preferences.getPositiveTrust()); + } + + /** + * Assigns the configured negative trust value for the given target. + * + * @param origin + * The trust origin + * @param target + * The trust target + */ + public void distrustSone(Sone origin, Sone target) { + setTrust(origin, target, preferences.getNegativeTrust()); + } + + /** + * Removes the trust assignment for the given target. + * + * @param origin + * The trust origin + * @param target + * The trust target + */ + public void untrustSone(Sone origin, Sone target) { + removeTrust(origin, target); + } + + /** + * Updates the stored Sone with the given Sone. + * + * @param sone + * The updated Sone + */ + public void updateSone(Sone sone) { + updateSone(sone, false); + } + + /** + * Updates the stored Sone with the given Sone. If {@code soneRescueMode} is + * {@code true}, an older Sone than the current Sone can be given to restore + * an old state. + * + * @param sone + * The Sone to update + * @param soneRescueMode + * {@code true} if the stored Sone should be updated regardless + * of the age of the given Sone + */ + public void updateSone(final Sone sone, boolean soneRescueMode) { + Optional storedSone = getSone(sone.getId()); + if (storedSone.isPresent()) { + if (!soneRescueMode && !(sone.getTime() > storedSone.get().getTime())) { + logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone)); + return; + } + List events = + collectEventsForChangesInSone(storedSone.get(), sone); + database.storeSone(sone); + for (Object event : events) { + eventBus.post(event); + } + sone.setOptions(storedSone.get().getOptions()); + sone.setKnown(storedSone.get().isKnown()); + sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); + if (sone.isLocal()) { + touchConfiguration(); + } + } + } + + private List collectEventsForChangesInSone(Sone oldSone, + final Sone newSone) { + final List events = new ArrayList(); + SoneChangeDetector soneChangeDetector = new SoneChangeDetector( + oldSone); + soneChangeDetector.onNewPosts(new PostProcessor() { + @Override + public void processPost(Post post) { + if (post.getTime() < getSoneFollowingTime(newSone)) { + post.setKnown(true); + } else if (!post.isKnown()) { + events.add(new NewPostFoundEvent(post)); + } + } + }); + soneChangeDetector.onRemovedPosts(new PostProcessor() { + @Override + public void processPost(Post post) { + events.add(new PostRemovedEvent(post)); + } + }); + soneChangeDetector.onNewPostReplies(new PostReplyProcessor() { + @Override + public void processPostReply(PostReply postReply) { + if (postReply.getTime() < getSoneFollowingTime(newSone)) { + postReply.setKnown(true); + } else if (!postReply.isKnown()) { + events.add(new NewPostReplyFoundEvent(postReply)); + } + } + }); + soneChangeDetector.onRemovedPostReplies(new PostReplyProcessor() { + @Override + public void processPostReply(PostReply postReply) { + events.add(new PostReplyRemovedEvent(postReply)); + } + }); + soneChangeDetector.detectChanges(newSone); + return events; + } + + /** + * Deletes the given Sone. This will remove the Sone from the + * {@link #getLocalSones() local Sones}, stop its {@link SoneInserter} and + * remove the context from its identity. + * + * @param sone + * The Sone to delete + */ + public void deleteSone(Sone sone) { + if (!(sone.getIdentity() instanceof OwnIdentity)) { + logger.log(Level.WARNING, String.format("Tried to delete Sone of non-own identity: %s", sone)); + return; + } + if (!getLocalSones().contains(sone)) { + logger.log(Level.WARNING, String.format("Tried to delete non-local Sone: %s", sone)); + return; + } + SoneInserter soneInserter = soneInserters.remove(sone); + soneInserter.stop(); + database.removeSone(sone); + webOfTrustUpdater.removeContext((OwnIdentity) sone.getIdentity(), "Sone"); + webOfTrustUpdater.removeProperty((OwnIdentity) sone.getIdentity(), "Sone.LatestEdition"); + try { + configuration.getLongValue("Sone/" + sone.getId() + "/Time").setValue(null); + } catch (ConfigurationException ce1) { + logger.log(Level.WARNING, "Could not remove Sone from configuration!", ce1); + } + } + + /** + * Marks the given Sone as known. If the Sone was not {@link Post#isKnown() + * known} before, a {@link MarkSoneKnownEvent} is fired. + * + * @param sone + * The Sone to mark as known + */ + public void markSoneKnown(Sone sone) { + if (!sone.isKnown()) { + sone.setKnown(true); + synchronized (knownSones) { + knownSones.add(sone.getId()); + } + eventBus.post(new MarkSoneKnownEvent(sone)); + touchConfiguration(); + } + } + + /** + * Loads and updates the given Sone from the configuration. If any error is + * encountered, loading is aborted and the given Sone is not changed. + * + * @param sone + * The Sone to load and update + */ + public void loadSone(Sone sone) { + if (!sone.isLocal()) { + logger.log(Level.FINE, String.format("Tried to load non-local Sone: %s", sone)); + return; + } + logger.info(String.format("Loading local Sone: %s", sone)); + + /* load Sone. */ + String sonePrefix = "Sone/" + sone.getId(); + Long soneTime = configuration.getLongValue(sonePrefix + "/Time").getValue(null); + if (soneTime == null) { + logger.log(Level.INFO, "Could not load Sone because no Sone has been saved."); + return; + } + String lastInsertFingerprint = configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").getValue(""); + + /* load profile. */ + ConfigurationSoneParser configurationSoneParser = new ConfigurationSoneParser(configuration, sone); + Profile profile = configurationSoneParser.parseProfile(); + + /* load posts. */ + Collection posts; + try { + posts = configurationSoneParser.parsePosts(database); + } catch (InvalidPostFound ipf) { + logger.log(Level.WARNING, "Invalid post found, aborting load!"); + return; + } + + /* load replies. */ + Collection replies; + try { + replies = configurationSoneParser.parsePostReplies(database); + } catch (InvalidPostReplyFound iprf) { + logger.log(Level.WARNING, "Invalid reply found, aborting load!"); + return; + } + + /* load post likes. */ + Set likedPostIds = + configurationSoneParser.parseLikedPostIds(); + + /* load reply likes. */ + Set likedReplyIds = + configurationSoneParser.parseLikedPostReplyIds(); + + /* load albums. */ + List topLevelAlbums; + try { + topLevelAlbums = + configurationSoneParser.parseTopLevelAlbums(database); + } catch (InvalidAlbumFound iaf) { + logger.log(Level.WARNING, "Invalid album found, aborting load!"); + return; + } catch (InvalidParentAlbumFound ipaf) { + logger.log(Level.WARNING, format("Invalid parent album ID: %s", + ipaf.getAlbumParentId())); + return; + } + + /* load images. */ + try { + configurationSoneParser.parseImages(database); + } catch (InvalidImageFound iif) { + logger.log(WARNING, "Invalid image found, aborting load!"); + return; + } catch (InvalidParentAlbumFound ipaf) { + logger.log(Level.WARNING, + format("Invalid album image (%s) encountered, aborting load!", + ipaf.getAlbumParentId())); + return; + } + + /* load avatar. */ + String avatarId = configuration.getStringValue(sonePrefix + "/Profile/Avatar").getValue(null); + if (avatarId != null) { + final Map images = + configurationSoneParser.getImages(); + profile.setAvatar(images.get(avatarId)); + } + + /* load options. */ + sone.getOptions().setAutoFollow(configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").getValue(false)); + sone.getOptions().setSoneInsertNotificationEnabled(configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").getValue(false)); + sone.getOptions().setShowNewSoneNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").getValue(true)); + sone.getOptions().setShowNewPostNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").getValue(true)); + sone.getOptions().setShowNewReplyNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").getValue(true)); + sone.getOptions().setShowCustomAvatars(ShowCustomAvatars.valueOf(configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars").getValue(ShowCustomAvatars.NEVER.name()))); + + /* if we’re still here, Sone was loaded successfully. */ + synchronized (sone) { + sone.setTime(soneTime); + sone.setProfile(profile); + sone.setPosts(posts); + sone.setReplies(replies); + sone.setLikePostIds(likedPostIds); + sone.setLikeReplyIds(likedReplyIds); + for (Album album : sone.getRootAlbum().getAlbums()) { + sone.getRootAlbum().removeAlbum(album); + } + for (Album album : topLevelAlbums) { + sone.getRootAlbum().addAlbum(album); + } + database.storeSone(sone); + synchronized (soneInserters) { + soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint); + } + } + for (Post post : posts) { + post.setKnown(true); + } + for (PostReply reply : replies) { + reply.setKnown(true); + } + + logger.info(String.format("Sone loaded successfully: %s", sone)); + } + + /** + * Creates a new post. + * + * @param sone + * The Sone that creates the post + * @param recipient + * The recipient Sone, or {@code null} if this post does not have + * a recipient + * @param text + * The text of the post + * @return The created post + */ + public Post createPost(Sone sone, Optional recipient, String text) { + checkNotNull(text, "text must not be null"); + checkArgument(text.trim().length() > 0, "text must not be empty"); + if (!sone.isLocal()) { + logger.log(Level.FINE, String.format("Tried to create post for non-local Sone: %s", sone)); + return null; + } + PostBuilder postBuilder = database.newPostBuilder(); + postBuilder.from(sone.getId()).randomId().currentTime().withText(text.trim()); + if (recipient.isPresent()) { + postBuilder.to(recipient.get().getId()); + } + final Post post = postBuilder.build(); + database.storePost(post); + eventBus.post(new NewPostFoundEvent(post)); + sone.addPost(post); + touchConfiguration(); + localElementTicker.schedule(new MarkPostKnown(post), 10, TimeUnit.SECONDS); + return post; + } + + /** + * Deletes the given post. + * + * @param post + * The post to delete + */ + public void deletePost(Post post) { + if (!post.getSone().isLocal()) { + logger.log(Level.WARNING, String.format("Tried to delete post of non-local Sone: %s", post.getSone())); + return; + } + database.removePost(post); + eventBus.post(new PostRemovedEvent(post)); + markPostKnown(post); + touchConfiguration(); + } + + /** + * Marks the given post as known, if it is currently not a known post + * (according to {@link Post#isKnown()}). + * + * @param post + * The post to mark as known + */ + public void markPostKnown(Post post) { + post.setKnown(true); + eventBus.post(new MarkPostKnownEvent(post)); + touchConfiguration(); + for (PostReply reply : getReplies(post.getId())) { + markReplyKnown(reply); + } + } + + public void bookmarkPost(Post post) { + database.bookmarkPost(post); + } + + /** + * Removes the given post from the bookmarks. + * + * @param post + * The post to unbookmark + */ + public void unbookmarkPost(Post post) { + database.unbookmarkPost(post); + } + + /** + * Creates a new reply. + * + * @param sone + * The Sone that creates the reply + * @param post + * The post that this reply refers to + * @param text + * The text of the reply + * @return The created reply + */ + public PostReply createReply(Sone sone, Post post, String text) { + checkNotNull(text, "text must not be null"); + checkArgument(text.trim().length() > 0, "text must not be empty"); + if (!sone.isLocal()) { + logger.log(Level.FINE, String.format("Tried to create reply for non-local Sone: %s", sone)); + return null; + } + PostReplyBuilder postReplyBuilder = postReplyBuilder(); + postReplyBuilder.randomId().from(sone.getId()).to(post.getId()).currentTime().withText(text.trim()); + final PostReply reply = postReplyBuilder.build(); + database.storePostReply(reply); + eventBus.post(new NewPostReplyFoundEvent(reply)); + sone.addReply(reply); + touchConfiguration(); + localElementTicker.schedule(new MarkReplyKnown(reply), 10, TimeUnit.SECONDS); + return reply; + } + + /** + * Deletes the given reply. + * + * @param reply + * The reply to delete + */ + public void deleteReply(PostReply reply) { + Sone sone = reply.getSone(); + if (!sone.isLocal()) { + logger.log(Level.FINE, String.format("Tried to delete non-local reply: %s", reply)); + return; + } + database.removePostReply(reply); + markReplyKnown(reply); + sone.removeReply(reply); + touchConfiguration(); + } + + /** + * Marks the given reply as known, if it is currently not a known reply + * (according to {@link Reply#isKnown()}). + * + * @param reply + * The reply to mark as known + */ + public void markReplyKnown(PostReply reply) { + boolean previouslyKnown = reply.isKnown(); + reply.setKnown(true); + eventBus.post(new MarkPostReplyKnownEvent(reply)); + if (!previouslyKnown) { + touchConfiguration(); + } + } + + /** + * Creates a new album for the given Sone. + * + * @param sone + * The Sone to create the album for + * @param parent + * The parent of the album (may be {@code null} to create a + * top-level album) + * @return The new album + */ + public Album createAlbum(Sone sone, Album parent) { + Album album = database.newAlbumBuilder().randomId().by(sone).build(); + database.storeAlbum(album); + parent.addAlbum(album); + return album; + } + + /** + * Deletes the given album. The owner of the album has to be a local Sone, + * and the album has to be {@link Album#isEmpty() empty} to be deleted. + * + * @param album + * The album to remove + */ + public void deleteAlbum(Album album) { + checkNotNull(album, "album must not be null"); + checkArgument(album.getSone().isLocal(), "album’s Sone must be a local Sone"); + if (!album.isEmpty()) { + return; + } + album.getParent().removeAlbum(album); + database.removeAlbum(album); + touchConfiguration(); + } + + /** + * Creates a new image. + * + * @param sone + * The Sone creating the image + * @param album + * The album the image will be inserted into + * @param temporaryImage + * The temporary image to create the image from + * @return The newly created image + */ + public Image createImage(Sone sone, Album album, TemporaryImage temporaryImage) { + checkNotNull(sone, "sone must not be null"); + checkNotNull(album, "album must not be null"); + checkNotNull(temporaryImage, "temporaryImage must not be null"); + checkArgument(sone.isLocal(), "sone must be a local Sone"); + checkArgument(sone.equals(album.getSone()), "album must belong to the given Sone"); + Image image = database.newImageBuilder().withId(temporaryImage.getId()).build().modify().setSone(sone).setCreationTime(System.currentTimeMillis()).update(); + album.addImage(image); + database.storeImage(image); + imageInserter.insertImage(temporaryImage, image); + return image; + } + + /** + * Deletes the given image. This method will also delete a matching + * temporary image. + * + * @see #deleteTemporaryImage(String) + * @param image + * The image to delete + */ + public void deleteImage(Image image) { + checkNotNull(image, "image must not be null"); + checkArgument(image.getSone().isLocal(), "image must belong to a local Sone"); + deleteTemporaryImage(image.getId()); + image.getAlbum().removeImage(image); + database.removeImage(image); + touchConfiguration(); + } + + /** + * Creates a new temporary image. + * + * @param mimeType + * The MIME type of the temporary image + * @param imageData + * The encoded data of the image + * @return The temporary image + */ + public TemporaryImage createTemporaryImage(String mimeType, byte[] imageData) { + TemporaryImage temporaryImage = new TemporaryImage(); + temporaryImage.setMimeType(mimeType).setImageData(imageData); + synchronized (temporaryImages) { + temporaryImages.put(temporaryImage.getId(), temporaryImage); + } + return temporaryImage; + } + + /** + * Deletes the temporary image with the given ID. + * + * @param imageId + * The ID of the temporary image to delete + */ + public void deleteTemporaryImage(String imageId) { + checkNotNull(imageId, "imageId must not be null"); + synchronized (temporaryImages) { + temporaryImages.remove(imageId); + } + Image image = getImage(imageId, false); + if (image != null) { + imageInserter.cancelImageInsert(image); + } + } + + /** + * Notifies the core that the configuration, either of the core or of a + * single local Sone, has changed, and that the configuration should be + * saved. + */ + public void touchConfiguration() { + lastConfigurationUpdate = System.currentTimeMillis(); + } + + // + // SERVICE METHODS + // + + /** + * Starts the core. + */ + @Override + public void serviceStart() { + loadConfiguration(); + updateChecker.start(); + identityManager.start(); + webOfTrustUpdater.init(); + webOfTrustUpdater.start(); + database.start(); + } + + /** + * {@inheritDoc} + */ + @Override + public void serviceRun() { + long lastSaved = System.currentTimeMillis(); + while (!shouldStop()) { + sleep(1000); + long now = System.currentTimeMillis(); + if (shouldStop() || ((lastConfigurationUpdate > lastSaved) && ((now - lastConfigurationUpdate) > 5000))) { + for (Sone localSone : getLocalSones()) { + saveSone(localSone); + } + saveConfiguration(); + lastSaved = now; + } + } + } + + /** + * Stops the core. + */ + @Override + public void serviceStop() { + localElementTicker.shutdownNow(); + synchronized (soneInserters) { + for (Entry soneInserter : soneInserters.entrySet()) { + soneInserter.getValue().stop(); + saveSone(soneInserter.getKey()); + } + } + synchronized (soneRescuers) { + for (SoneRescuer soneRescuer : soneRescuers.values()) { + soneRescuer.stop(); + } + } + saveConfiguration(); + database.stop(); + webOfTrustUpdater.stop(); + updateChecker.stop(); + soneDownloader.stop(); + soneDownloaders.shutdown(); + identityManager.stop(); + } + + // + // PRIVATE METHODS + // + + /** + * Saves the given Sone. This will persist all local settings for the given + * Sone, such as the friends list and similar, private options. + * + * @param sone + * The Sone to save + */ + private synchronized void saveSone(Sone sone) { + if (!sone.isLocal()) { + logger.log(Level.FINE, String.format("Tried to save non-local Sone: %s", sone)); + return; + } + if (!(sone.getIdentity() instanceof OwnIdentity)) { + logger.log(Level.WARNING, String.format("Local Sone without OwnIdentity found, refusing to save: %s", sone)); + return; + } + + logger.log(Level.INFO, String.format("Saving Sone: %s", sone)); + try { + /* save Sone into configuration. */ + String sonePrefix = "Sone/" + sone.getId(); + configuration.getLongValue(sonePrefix + "/Time").setValue(sone.getTime()); + configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").setValue(soneInserters.get(sone).getLastInsertFingerprint()); + + /* save profile. */ + Profile profile = sone.getProfile(); + configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName()); + configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName()); + configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName()); + configuration.getIntValue(sonePrefix + "/Profile/BirthDay").setValue(profile.getBirthDay()); + configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").setValue(profile.getBirthMonth()); + configuration.getIntValue(sonePrefix + "/Profile/BirthYear").setValue(profile.getBirthYear()); + configuration.getStringValue(sonePrefix + "/Profile/Avatar").setValue(profile.getAvatar()); + + /* save profile fields. */ + int fieldCounter = 0; + for (Field profileField : profile.getFields()) { + String fieldPrefix = sonePrefix + "/Profile/Fields/" + fieldCounter++; + configuration.getStringValue(fieldPrefix + "/Name").setValue(profileField.getName()); + configuration.getStringValue(fieldPrefix + "/Value").setValue(profileField.getValue()); + } + configuration.getStringValue(sonePrefix + "/Profile/Fields/" + fieldCounter + "/Name").setValue(null); + + /* save posts. */ + int postCounter = 0; + for (Post post : sone.getPosts()) { + String postPrefix = sonePrefix + "/Posts/" + postCounter++; + configuration.getStringValue(postPrefix + "/ID").setValue(post.getId()); + configuration.getStringValue(postPrefix + "/Recipient").setValue(post.getRecipientId().orNull()); + configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime()); + configuration.getStringValue(postPrefix + "/Text").setValue(post.getText()); + } + configuration.getStringValue(sonePrefix + "/Posts/" + postCounter + "/ID").setValue(null); + + /* save replies. */ + int replyCounter = 0; + for (PostReply reply : sone.getReplies()) { + String replyPrefix = sonePrefix + "/Replies/" + replyCounter++; + configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId()); + configuration.getStringValue(replyPrefix + "/Post/ID").setValue(reply.getPostId()); + configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime()); + configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText()); + } + configuration.getStringValue(sonePrefix + "/Replies/" + replyCounter + "/ID").setValue(null); + + /* save post likes. */ + int postLikeCounter = 0; + for (String postId : sone.getLikedPostIds()) { + configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter++ + "/ID").setValue(postId); + } + configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter + "/ID").setValue(null); + + /* save reply likes. */ + int replyLikeCounter = 0; + for (String replyId : sone.getLikedReplyIds()) { + configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter++ + "/ID").setValue(replyId); + } + configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter + "/ID").setValue(null); + + /* save albums. first, collect in a flat structure, top-level first. */ + List albums = FluentIterable.from(sone.getRootAlbum().getAlbums()).transformAndConcat(Album.FLATTENER).toList(); + + int albumCounter = 0; + for (Album album : albums) { + String albumPrefix = sonePrefix + "/Albums/" + albumCounter++; + configuration.getStringValue(albumPrefix + "/ID").setValue(album.getId()); + configuration.getStringValue(albumPrefix + "/Title").setValue(album.getTitle()); + configuration.getStringValue(albumPrefix + "/Description").setValue(album.getDescription()); + configuration.getStringValue(albumPrefix + "/Parent").setValue(album.getParent().equals(sone.getRootAlbum()) ? null : album.getParent().getId()); + configuration.getStringValue(albumPrefix + "/AlbumImage").setValue(album.getAlbumImage() == null ? null : album.getAlbumImage().getId()); + } + configuration.getStringValue(sonePrefix + "/Albums/" + albumCounter + "/ID").setValue(null); + + /* save images. */ + int imageCounter = 0; + for (Album album : albums) { + for (Image image : album.getImages()) { + if (!image.isInserted()) { + continue; + } + String imagePrefix = sonePrefix + "/Images/" + imageCounter++; + configuration.getStringValue(imagePrefix + "/ID").setValue(image.getId()); + configuration.getStringValue(imagePrefix + "/Album").setValue(album.getId()); + configuration.getStringValue(imagePrefix + "/Key").setValue(image.getKey()); + configuration.getStringValue(imagePrefix + "/Title").setValue(image.getTitle()); + configuration.getStringValue(imagePrefix + "/Description").setValue(image.getDescription()); + configuration.getLongValue(imagePrefix + "/CreationTime").setValue(image.getCreationTime()); + configuration.getIntValue(imagePrefix + "/Width").setValue(image.getWidth()); + configuration.getIntValue(imagePrefix + "/Height").setValue(image.getHeight()); + } + } + configuration.getStringValue(sonePrefix + "/Images/" + imageCounter + "/ID").setValue(null); + + /* save options. */ + configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").setValue(sone.getOptions().isAutoFollow()); + configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").setValue(sone.getOptions().isSoneInsertNotificationEnabled()); + configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").setValue(sone.getOptions().isShowNewSoneNotifications()); + configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").setValue(sone.getOptions().isShowNewPostNotifications()); + configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").setValue(sone.getOptions().isShowNewReplyNotifications()); + configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars").setValue(sone.getOptions().getShowCustomAvatars().name()); + + configuration.save(); + + webOfTrustUpdater.setProperty((OwnIdentity) sone.getIdentity(), "Sone.LatestEdition", String.valueOf(sone.getLatestEdition())); + + logger.log(Level.INFO, String.format("Sone %s saved.", sone)); + } catch (ConfigurationException ce1) { + logger.log(Level.WARNING, String.format("Could not save Sone: %s", sone), ce1); + } + } + + /** + * Saves the current options. + */ + private void saveConfiguration() { + synchronized (configuration) { + if (storingConfiguration) { + logger.log(Level.FINE, "Already storing configuration…"); + return; + } + storingConfiguration = true; + } + + /* store the options first. */ + try { + preferences.saveTo(configuration); + + /* save known Sones. */ + int soneCounter = 0; + synchronized (knownSones) { + for (String knownSoneId : knownSones) { + configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId); + } + configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null); + } + + /* save Sone following times. */ + soneCounter = 0; + synchronized (soneFollowingTimes) { + for (Entry soneFollowingTime : soneFollowingTimes.entrySet()) { + configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").setValue(soneFollowingTime.getKey()); + configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time").setValue(soneFollowingTime.getValue()); + ++soneCounter; + } + configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").setValue(null); + } + + /* save known posts. */ + database.save(); + + /* now save it. */ + configuration.save(); + + } catch (ConfigurationException ce1) { + logger.log(Level.SEVERE, "Could not store configuration!", ce1); + } catch (DatabaseException de1) { + logger.log(Level.SEVERE, "Could not save database!", de1); + } finally { + synchronized (configuration) { + storingConfiguration = false; + } + } + } + + /** + * Loads the configuration. + */ + private void loadConfiguration() { + new PreferencesLoader(preferences).loadFrom(configuration); + + /* load known Sones. */ + int soneCounter = 0; + while (true) { + String knownSoneId = configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").getValue(null); + if (knownSoneId == null) { + break; + } + synchronized (knownSones) { + knownSones.add(knownSoneId); + } + } + + /* load Sone following times. */ + soneCounter = 0; + while (true) { + String soneId = configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").getValue(null); + if (soneId == null) { + break; + } + long time = configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time").getValue(Long.MAX_VALUE); + synchronized (soneFollowingTimes) { + soneFollowingTimes.put(soneId, time); + } + ++soneCounter; + } + } + + /** + * Notifies the core that a new {@link OwnIdentity} was added. + * + * @param ownIdentityAddedEvent + * The event + */ + @Subscribe + public void ownIdentityAdded(OwnIdentityAddedEvent ownIdentityAddedEvent) { + OwnIdentity ownIdentity = ownIdentityAddedEvent.ownIdentity(); + logger.log(Level.FINEST, String.format("Adding OwnIdentity: %s", ownIdentity)); + if (ownIdentity.hasContext("Sone")) { + addLocalSone(ownIdentity); + } + } + + /** + * Notifies the core that an {@link OwnIdentity} was removed. + * + * @param ownIdentityRemovedEvent + * The event + */ + @Subscribe + public void ownIdentityRemoved(OwnIdentityRemovedEvent ownIdentityRemovedEvent) { + OwnIdentity ownIdentity = ownIdentityRemovedEvent.ownIdentity(); + logger.log(Level.FINEST, String.format("Removing OwnIdentity: %s", ownIdentity)); + trustedIdentities.removeAll(ownIdentity); + } + + /** + * Notifies the core that a new {@link Identity} was added. + * + * @param identityAddedEvent + * The event + */ + @Subscribe + public void identityAdded(IdentityAddedEvent identityAddedEvent) { + Identity identity = identityAddedEvent.identity(); + logger.log(Level.FINEST, String.format("Adding Identity: %s", identity)); + trustedIdentities.put(identityAddedEvent.ownIdentity(), identity); + addRemoteSone(identity); + } + + /** + * Notifies the core that an {@link Identity} was updated. + * + * @param identityUpdatedEvent + * The event + */ + @Subscribe + public void identityUpdated(IdentityUpdatedEvent identityUpdatedEvent) { + Identity identity = identityUpdatedEvent.identity(); + final Sone sone = getRemoteSone(identity.getId()); + if (sone.isLocal()) { + return; + } + sone.setLatestEdition(fromNullable(tryParse(identity.getProperty("Sone.LatestEdition"))).or(sone.getLatestEdition())); + soneDownloader.addSone(sone); + soneDownloaders.execute(soneDownloader.fetchSoneAction(sone)); + } + + /** + * Notifies the core that an {@link Identity} was removed. + * + * @param identityRemovedEvent + * The event + */ + @Subscribe + public void identityRemoved(IdentityRemovedEvent identityRemovedEvent) { + OwnIdentity ownIdentity = identityRemovedEvent.ownIdentity(); + Identity identity = identityRemovedEvent.identity(); + trustedIdentities.remove(ownIdentity, identity); + for (Entry> trustedIdentity : trustedIdentities.asMap().entrySet()) { + if (trustedIdentity.getKey().equals(ownIdentity)) { + continue; + } + if (trustedIdentity.getValue().contains(identity)) { + return; + } + } + Optional sone = getSone(identity.getId()); + if (!sone.isPresent()) { + /* TODO - we don’t have the Sone anymore. should this happen? */ + return; + } + database.removeSone(sone.get()); + eventBus.post(new SoneRemovedEvent(sone.get())); + } + + /** + * Deletes the temporary image. + * + * @param imageInsertFinishedEvent + * The event + */ + @Subscribe + public void imageInsertFinished(ImageInsertFinishedEvent imageInsertFinishedEvent) { + logger.log(Level.WARNING, String.format("Image insert finished for %s: %s", imageInsertFinishedEvent.image(), imageInsertFinishedEvent.resultingUri())); + imageInsertFinishedEvent.image().modify().setKey(imageInsertFinishedEvent.resultingUri().toString()).update(); + deleteTemporaryImage(imageInsertFinishedEvent.image().getId()); + touchConfiguration(); + } + + @VisibleForTesting + class MarkPostKnown implements Runnable { + + private final Post post; + + public MarkPostKnown(Post post) { + this.post = post; + } + + @Override + public void run() { + markPostKnown(post); + } + + } + + @VisibleForTesting + class MarkReplyKnown implements Runnable { + + private final PostReply postReply; + + public MarkReplyKnown(PostReply postReply) { + this.postReply = postReply; + } + + @Override + public void run() { + markReplyKnown(postReply); + } + } }