X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FCore.java;h=ba08be162f8135a9349668b926765a1ca7ac0e62;hb=7379bb70d4db3b419deed77f0df95f74c4b0e038;hp=1a1c6df5dfedc63fec66604c0866b85c3ddde3a8;hpb=9ceea683ab66b047fc4ded3ee6f92b33ceea3968;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 1a1c6df..ba08be1 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 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 @@ -17,37 +17,36 @@ package net.pterodactylus.sone.core; -import java.io.InputStream; import java.net.MalformedURLException; import java.util.ArrayList; -import java.util.Collection; import java.util.Collections; -import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; -import java.util.UUID; import java.util.logging.Level; import java.util.logging.Logger; import net.pterodactylus.sone.core.Options.DefaultOption; import net.pterodactylus.sone.core.Options.Option; import net.pterodactylus.sone.core.Options.OptionWatcher; -import net.pterodactylus.sone.core.SoneException.Type; +import net.pterodactylus.sone.data.Client; 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.sone.freenet.wot.Identity; +import net.pterodactylus.sone.freenet.wot.IdentityListener; +import net.pterodactylus.sone.freenet.wot.IdentityManager; +import net.pterodactylus.sone.freenet.wot.OwnIdentity; +import net.pterodactylus.sone.freenet.wot.Trust; +import net.pterodactylus.sone.freenet.wot.WebOfTrustException; +import net.pterodactylus.sone.main.SonePlugin; import net.pterodactylus.util.config.Configuration; import net.pterodactylus.util.config.ConfigurationException; -import net.pterodactylus.util.filter.Filter; -import net.pterodactylus.util.filter.Filters; import net.pterodactylus.util.logging.Logging; -import net.pterodactylus.util.service.AbstractService; -import freenet.client.FetchResult; +import net.pterodactylus.util.number.Numbers; import freenet.keys.FreenetURI; /** @@ -55,17 +54,7 @@ import freenet.keys.FreenetURI; * * @author David ‘Bombe’ Roden */ -public class Core extends AbstractService { - - /** The default Sones. */ - private static final Set defaultSones = new HashSet(); - - 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"); - } +public class Core implements IdentityListener { /** * Enumeration for the possible states of a {@link Sone}. @@ -93,824 +82,1580 @@ public class Core extends AbstractService { /** The options. */ private final Options options = new Options(); + /** The core listener manager. */ + private final CoreListenerManager coreListenerManager = new CoreListenerManager(this); + /** The configuration. */ private Configuration configuration; - /** Interface to freenet. */ - private FreenetInterface freenetInterface; + /** The identity manager. */ + private final IdentityManager identityManager; - /** The WoT connector. */ - private WebOfTrustConnector webOfTrustConnector; + /** Interface to freenet. */ + private final FreenetInterface freenetInterface; /** The Sone downloader. */ - private SoneDownloader soneDownloader; + private final SoneDownloader soneDownloader; + + /** Whether the core has been stopped. */ + private volatile boolean stopped; + + /** The Sones’ statuses. */ + /* synchronize access on itself. */ + private final Map soneStatuses = new HashMap(); - /** The local Sones. */ - private final Set localSones = Collections.synchronizedSet(new HashSet()); + /** Locked local Sones. */ + /* synchronize on itself. */ + private final Set lockedSones = new HashSet(); /** Sone inserters. */ - private final Map soneInserters = Collections.synchronizedMap(new HashMap()); + /* synchronize access on this on localSones. */ + private final Map soneInserters = new HashMap(); - /** The Sones’ statuses. */ - private final Map soneStatuses = Collections.synchronizedMap(new HashMap()); + /** All local Sones. */ + /* synchronize access on this on itself. */ + private Map localSones = new HashMap(); + + /** All remote Sones. */ + /* synchronize access on this on itself. */ + private Map remoteSones = new HashMap(); + + /** All new Sones. */ + private Set newSones = new HashSet(); + + /** All known Sones. */ + /* synchronize access on {@link #newSones}. */ + private Set knownSones = new HashSet(); + + /** All posts. */ + private Map posts = new HashMap(); + + /** All new posts. */ + private Set newPosts = new HashSet(); + + /** All known posts. */ + /* synchronize access on {@link #newPosts}. */ + private Set knownPosts = new HashSet(); - /* various caches follow here. */ + /** All replies. */ + private Map replies = new HashMap(); - /** Cache for all known Sones. */ - private final Map soneCache = Collections.synchronizedMap(new HashMap()); + /** All new replies. */ + private Set newReplies = new HashSet(); - /** Cache for all known posts. */ - private final Map postCache = Collections.synchronizedMap(new HashMap()); + /** All known replies. */ + private Set knownReplies = new HashSet(); - /** Cache for all known replies. */ - private final Map replyCache = Collections.synchronizedMap(new HashMap()); + /** Trusted identities, sorted by own identities. */ + private Map> trustedIdentities = Collections.synchronizedMap(new HashMap>()); /** * Creates a new core. + * + * @param configuration + * The configuration of the core + * @param freenetInterface + * The freenet interface + * @param identityManager + * The identity manager */ - public Core() { - super("Sone Core", false); + public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager) { + this.configuration = configuration; + this.freenetInterface = freenetInterface; + this.identityManager = identityManager; + this.soneDownloader = new SoneDownloader(this, freenetInterface); } // - // ACCESSORS + // LISTENER MANAGEMENT // /** - * Returns the options of the Sone plugin. + * Adds a new core listener. * - * @return The options of the Sone plugin + * @param coreListener + * The listener to add */ - public Options getOptions() { - return options; + public void addCoreListener(CoreListener coreListener) { + coreListenerManager.addListener(coreListener); + } + + /** + * Removes a core listener. + * + * @param coreListener + * The listener to remove + */ + public void removeCoreListener(CoreListener coreListener) { + coreListenerManager.removeListener(coreListener); } + // + // ACCESSORS + // + /** - * Sets the configuration of the core. + * Sets the configuration to use. This will automatically save the current + * configuration to the given configuration. * * @param configuration - * The configuration of the core - * @return This core (for method chaining) + * The new configuration to use */ - public Core configuration(Configuration configuration) { + public void setConfiguration(Configuration configuration) { this.configuration = configuration; - return this; + saveConfiguration(); } /** - * 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 Options getOptions() { + return options; } /** - * Returns the Web of Trust connector. + * Returns whether the “Sone rescue mode” is currently activated. * - * @return The Web of Trust connector + * @return {@code true} if the “Sone rescue mode” is currently activated, + * {@code false} if it is not */ - public WebOfTrustConnector getWebOfTrustConnector() { - return webOfTrustConnector; + public boolean isSoneRescueMode() { + return options.getBooleanOption("SoneRescueMode").get(); } /** - * Sets the Web of Trust connector. + * Returns the identity manager used by the core. * - * @param webOfTrustConnector - * The Web of Trust connector - * @return This core (for method chaining) + * @return The identity manager */ - public Core setWebOfTrustConnector(WebOfTrustConnector webOfTrustConnector) { - this.webOfTrustConnector = webOfTrustConnector; - return this; + public IdentityManager getIdentityManager() { + return identityManager; } /** - * Returns the local Sones. + * Returns the status of the given Sone. * - * @return The local Sones + * @param sone + * The Sone to get the status for + * @return The status of the Sone */ - public Set getSones() { - return Collections.unmodifiableSet(localSones); + public SoneStatus getSoneStatus(Sone sone) { + synchronized (soneStatuses) { + return soneStatuses.get(sone); + } } /** - * Returns the Sone with the given ID, or an empty Sone that has been - * initialized with the given ID. + * Sets the status of the given Sone. * - * @param soneId - * The ID of the Sone - * @return The Sone + * @param sone + * The Sone to set the status of + * @param soneStatus + * The status to set */ - public Sone getSone(String soneId) { - if (!soneCache.containsKey(soneId)) { - Sone sone = new Sone(soneId); - soneCache.put(soneId, sone); - setSoneStatus(sone, SoneStatus.unknown); + public void setSoneStatus(Sone sone, SoneStatus soneStatus) { + synchronized (soneStatuses) { + soneStatuses.put(sone, soneStatus); } - return soneCache.get(soneId); } /** - * Returns all known sones. + * Returns whether the given Sone is currently locked. * - * @return All known sones + * @param sone + * The sone to check + * @return {@code true} if the Sone is locked, {@code false} if it is not */ - public Collection getKnownSones() { - return Collections.unmodifiableCollection(soneCache.values()); + public boolean isLocked(Sone sone) { + synchronized (lockedSones) { + return lockedSones.contains(sone); + } } /** - * Gets all known Sones that are not local Sones. + * Returns all Sones, remote and local. * - * @return All remote Sones + * @return All Sones */ - public Collection getRemoteSones() { - return Collections.unmodifiableCollection(getKnownSones()); + public Set getSones() { + Set allSones = new HashSet(); + allSones.addAll(getLocalSones()); + allSones.addAll(getRemoteSones()); + return allSones; } /** - * Returns the status of the given Sone. + * Returns the Sone with the given ID, regardless whether it’s local or + * remote. * - * @param sone - * The Sone to get the status for - * @return The status of the Sone + * @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 */ - public SoneStatus getSoneStatus(Sone sone) { - return soneStatuses.get(sone); + public Sone getSone(String id) { + return getSone(id, true); } /** - * Sets the status of the Sone. + * Returns the Sone with the given ID, regardless whether it’s local or + * remote. * - * @param sone - * The Sone to set the status for - * @param soneStatus - * The status of the Sone + * @param id + * The ID of the Sone to get + * @param create + * {@code true} to create a new Sone if none exists, + * {@code false} to return {@code null} if a Sone with the given + * ID does not exist + * @return The Sone with the given ID, or {@code null} if there is no such + * Sone */ - public void setSoneStatus(Sone sone, SoneStatus soneStatus) { - soneStatuses.put(sone, soneStatus); + public Sone getSone(String id, boolean create) { + if (isLocalSone(id)) { + return getLocalSone(id); + } + return getRemoteSone(id, create); } /** - * Creates a new post and adds it to the given Sone. + * Checks whether the core knows a Sone with the given ID. * - * @param sone - * The sone that creates the post - * @param text - * The text of the post - * @return The created post + * @param id + * The ID of the Sone + * @return {@code true} if there is a Sone with the given ID, {@code false} + * otherwise */ - public Post createPost(Sone sone, String text) { - return createPost(sone, System.currentTimeMillis(), text); + public boolean hasSone(String id) { + return isLocalSone(id) || isRemoteSone(id); } /** - * Creates a new post and adds it to the given Sone. + * Returns whether the given Sone is a local Sone. * * @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 for its locality + * @return {@code true} if the given Sone is local, {@code false} otherwise */ - 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 isLocalSone(Sone sone) { + synchronized (localSones) { + return localSones.containsKey(sone.getId()); + } } /** - * Creates a reply. + * Returns whether the given ID is the ID of a local Sone. * - * @param sone - * The Sone that posts the reply - * @param post - * The post the reply refers to - * @param text - * The text of the reply - * @return The created reply + * @param id + * The Sone ID to check for its locality + * @return {@code true} if the given ID is a local Sone, {@code false} + * otherwise */ - public Reply createReply(Sone sone, Post post, String text) { - return createReply(sone, post, System.currentTimeMillis(), text); + public boolean isLocalSone(String id) { + synchronized (localSones) { + return localSones.containsKey(id); + } } /** - * Creates a reply. + * Returns all local Sones. * - * @param sone - * The Sone that posts the reply - * @param post - * The post the reply refers to - * @param time - * The time of the post - * @param text - * The text of the reply - * @return The created reply + * @return All local Sones */ - public Reply createReply(Sone sone, Post post, long time, String text) { - Reply reply = getReply(UUID.randomUUID().toString()).setSone(sone).setPost(post).setTime(time).setText(text); - sone.addReply(reply); - return reply; + public Set getLocalSones() { + synchronized (localSones) { + return new HashSet(localSones.values()); + } } - // - // ACTIONS - // + /** + * Returns the local Sone with the given ID. + * + * @param id + * The ID of the Sone to get + * @return The Sone with the given ID + */ + public Sone getLocalSone(String id) { + return getLocalSone(id, true); + } /** - * Adds a Sone to watch for updates. The Sone needs to be completely - * initialized. + * Returns the local Sone with the given ID, optionally creating a new Sone. * - * @param sone - * The Sone to watch for updates + * @param id + * The ID of the Sone + * @param create + * {@code true} to create a new Sone if none exists, + * {@code false} to return null if none exists + * @return The Sone with the given ID, or {@code null} */ - public void addSone(Sone sone) { - soneCache.put(sone.getId(), sone); - if (!localSones.contains(sone)) { - soneDownloader.addSone(sone); + public Sone getLocalSone(String id, boolean create) { + synchronized (localSones) { + Sone sone = localSones.get(id); + if ((sone == null) && create) { + sone = new Sone(id); + localSones.put(id, sone); + } + return sone; } } /** - * Adds the given Sone. + * Returns all remote Sones. * - * @param sone - * The Sone to add + * @return All remote Sones */ - public void addLocalSone(Sone sone) { - if (localSones.add(sone)) { - setSoneStatus(sone, SoneStatus.idle); - SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone); - soneInserter.start(); - soneInserters.put(sone, soneInserter); + public Set getRemoteSones() { + synchronized (remoteSones) { + return new HashSet(remoteSones.values()); } } /** - * Creates a new Sone at a random location. + * Returns the remote Sone with the given ID. * - * @param name - * The name of the Sone - * @return The created Sone - * @throws SoneException - * if a Sone error occurs + * @param id + * The ID of the remote Sone to get + * @return The Sone with the given ID */ - public Sone createSone(String name) throws SoneException { - return createSone(name, "Sone", null, null); + public Sone getRemoteSone(String id) { + return getRemoteSone(id, true); } /** - * 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 remote Sone with the given ID. * - * @param name - * The name of the Sone - * @param documentName - * The document name in the SSK - * @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 documentName, 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(documentName)).setInsertUri(new FreenetURI(finalInsertUri).setKeyType("USK").setDocName(documentName)); - 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 remote Sone to get + * @param create + * {@code true} to always create a Sone, {@code false} to return + * {@code null} if no Sone with the given ID exists + * @return The Sone with the given ID + */ + public Sone getRemoteSone(String id, boolean create) { + synchronized (remoteSones) { + Sone sone = remoteSones.get(id); + if ((sone == null) && create) { + sone = new Sone(id); + remoteSones.put(id, sone); + } + return sone; } - return sone; } /** - * Loads the Sone from the given request URI. The fetching of the data is - * performed in a new thread so this method returns immediately. + * Returns whether the given Sone is a remote Sone. * - * @param requestUri - * The request URI to load the Sone from + * @param sone + * The Sone to check + * @return {@code true} if the given Sone is a remote Sone, {@code false} + * otherwise */ - public void loadSone(final String requestUri) { - loadSone(requestUri, null); + public boolean isRemoteSone(Sone sone) { + synchronized (remoteSones) { + return remoteSones.containsKey(sone.getId()); + } } /** - * Loads the Sone from the given request URI. The fetching of the data is - * performed in a new thread so this method returns immediately. If - * {@code insertUri} is not {@code null} the loaded Sone is converted into a - * local Sone and available using as any other local Sone. + * Returns whether the Sone with the given ID is a remote Sone. * - * @param requestUri - * The request URI to load the Sone from - * @param insertUri - * The insert URI of the Sone + * @param id + * The ID of the Sone to check + * @return {@code true} if the Sone with the given ID is a remote Sone, + * {@code false} otherwise */ - public void loadSone(final String requestUri, final String insertUri) { - new Thread(new Runnable() { - - @Override - @SuppressWarnings("synthetic-access") - public void run() { - try { - FreenetURI realRequestUri = new FreenetURI(requestUri).setMetaString(new String[] { "sone.xml" }); - FetchResult fetchResult = freenetInterface.fetchUri(realRequestUri); - if (fetchResult == null) { - return; - } - Sone parsedSone = soneDownloader.parseSone(null, fetchResult, realRequestUri); - if (parsedSone != null) { - if (insertUri != null) { - parsedSone.setInsertUri(new FreenetURI(insertUri)); - addLocalSone(parsedSone); - } else { - addSone(parsedSone); - } - setSoneStatus(parsedSone, SoneStatus.idle); - } - } catch (MalformedURLException mue1) { - logger.log(Level.INFO, "Could not create URI from “" + requestUri + "”.", mue1); - } - } - }, "Sone Downloader").start(); + public boolean isRemoteSone(String id) { + synchronized (remoteSones) { + return remoteSones.containsKey(id); + } } /** - * Loads a Sone from an input stream. + * Returns whether the given Sone is a new Sone. After this check, the Sone + * is marked as known, i.e. a second call with the same parameters will + * always yield {@code false}. * - * @param soneInputStream - * The input stream to load the Sone from - * @return The parsed Sone, or {@code null} if the Sone could not be parsed + * @param sone + * The sone to check for + * @return {@code true} if the given Sone is new, false otherwise */ - public Sone loadSone(InputStream soneInputStream) { - Sone parsedSone = soneDownloader.parseSone(soneInputStream); - if (parsedSone == null) { - return null; - } - if (parsedSone.getInsertUri() != null) { - addLocalSone(parsedSone); - } else { - addSone(parsedSone); + public boolean isNewSone(Sone sone) { + synchronized (newSones) { + boolean isNew = !knownSones.contains(sone.getId()) && newSones.remove(sone.getId()); + knownSones.add(sone.getId()); + if (isNew) { + coreListenerManager.fireMarkSoneKnown(sone); + } + return isNew; } - return parsedSone; } /** - * Loads and updates the given Sone. + * Returns whether the given Sone has been modified. * * @param sone - * The Sone to load + * The Sone to check for modifications + * @return {@code true} if a modification has been detected in the Sone, + * {@code false} otherwise */ - public void loadSone(final Sone sone) { - new Thread(new Runnable() { + public boolean isModifiedSone(Sone sone) { + return (soneInserters.containsKey(sone)) ? soneInserters.get(sone).isModified() : false; + } - @Override - @SuppressWarnings("synthetic-access") - public void run() { - FreenetURI realRequestUri = sone.getRequestUri().setMetaString(new String[] { "sone.xml" }); - setSoneStatus(sone, SoneStatus.downloading); - try { - FetchResult fetchResult = freenetInterface.fetchUri(realRequestUri); - if (fetchResult == null) { - /* TODO - mark Sone as bad. */ - return; - } - Sone parsedSone = soneDownloader.parseSone(sone, fetchResult, realRequestUri); - if (parsedSone != null) { - addSone(parsedSone); - } - } finally { - setSoneStatus(sone, (sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); - } + /** + * Returns whether the target Sone is trusted by the origin Sone. + * + * @param origin + * The origin Sone + * @param target + * The target Sone + * @return {@code true} if the target Sone is trusted by the origin Sone + */ + public boolean isSoneTrusted(Sone origin, Sone target) { + return trustedIdentities.containsKey(origin) && trustedIdentities.get(origin.getIdentity()).contains(target); + } + + /** + * Returns the post with the given ID. + * + * @param postId + * The ID of the post to get + * @return The post, or {@code null} if there is no such post + */ + public Post getPost(String postId) { + return getPost(postId, true); + } + + /** + * Returns the post with the given ID, optionally creating a new post. + * + * @param postId + * The ID of the post to get + * @param create + * {@code true} it create a new post if no post with the given ID + * exists, {@code false} to return {@code null} + * @return The post, or {@code null} if there is no such post + */ + public Post getPost(String postId, boolean create) { + synchronized (posts) { + Post post = posts.get(postId); + if ((post == null) && create) { + post = new Post(postId); + posts.put(postId, post); } - }, "Sone Downloader").start(); + return post; + } } /** - * Deletes the given Sone from this plugin instance. + * Returns whether the given post ID is new. After this method returns it is + * marked a known post ID. * - * @param sone - * The sone to delete + * @param postId + * The post ID + * @return {@code true} if the post is considered to be new, {@code false} + * otherwise */ - public void deleteSone(Sone sone) { - SoneInserter soneInserter = soneInserters.remove(sone); - soneInserter.stop(); - localSones.remove(sone); - soneStatuses.remove(sone); - soneCache.remove(sone.getId()); + public boolean isNewPost(String postId) { + return isNewPost(postId, true); } /** - * Returns the post with the given ID. If no post exists yet with the given - * ID, a new post is returned. + * Returns whether the given post ID is new. If {@code markAsKnown} is + * {@code true} then after this method returns the post ID is marked a known + * post ID. * * @param postId - * The ID of the post - * @return The post + * The post ID + * @param markAsKnown + * {@code true} to mark the post ID as known, {@code false} to + * not to mark it as known + * @return {@code true} if the post is considered to be new, {@code false} + * otherwise */ - public Post getPost(String postId) { - if (!postCache.containsKey(postId)) { - postCache.put(postId, new Post(postId)); + public boolean isNewPost(String postId, boolean markAsKnown) { + synchronized (newPosts) { + boolean isNew = !knownPosts.contains(postId) && newPosts.contains(postId); + if (markAsKnown) { + Post post = getPost(postId, false); + if (post != null) { + markPostKnown(post); + } + } + return isNew; } - 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 the reply with the given ID. If there is no reply with the given + * ID yet, a new one is created. * * @param replyId - * The ID of the reply + * The ID of the reply to get * @return The reply */ public Reply getReply(String replyId) { - if (!replyCache.containsKey(replyId)) { - replyCache.put(replyId, new Reply(replyId)); + return getReply(replyId, true); + } + + /** + * Returns the reply with the given ID. If there is no reply with the given + * ID yet, a new one is created, unless {@code create} is false in which + * case {@code null} is returned. + * + * @param replyId + * The ID of the reply to get + * @param create + * {@code true} to always return a {@link Reply}, {@code false} + * to return {@code null} if no reply can be found + * @return The reply, or {@code null} if there is no such reply + */ + public Reply getReply(String replyId, boolean create) { + synchronized (replies) { + Reply reply = replies.get(replyId); + if (create && (reply == null)) { + reply = new Reply(replyId); + replies.put(replyId, reply); + } + return reply; } - return replyCache.get(replyId); } /** - * Gets all replies to the given post, sorted by date, oldest first. + * Returns all replies for the given post, order ascending by time. * * @param post - * The post the replies refer to - * @return The sorted list of replies for the post + * The post to get all replies for + * @return All replies for the given post */ public List getReplies(Post post) { + Set sones = getSones(); List replies = new ArrayList(); - for (Reply reply : replyCache.values()) { - if (reply.getPost().equals(post)) { - replies.add(reply); + for (Sone sone : sones) { + for (Reply reply : sone.getReplies()) { + if (reply.getPost().equals(post)) { + replies.add(reply); + } } } - Collections.sort(replies, new Comparator() { - - /** - * {@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())); - } - }); + Collections.sort(replies, Reply.TIME_COMPARATOR); return replies; } /** - * Gets all Sones that like the given post. + * Returns whether the reply with the given ID is new. * - * @param post - * The post to check for - * @return All Sones that like the post + * @param replyId + * The ID of the reply to check + * @return {@code true} if the reply is considered to be new, {@code false} + * otherwise */ - public Collection getLikes(final Post post) { - return Filters.filteredCollection(getKnownSones(), new Filter() { + public boolean isNewReply(String replyId) { + return isNewReply(replyId, true); + } - @Override - public boolean filterObject(Sone sone) { - return sone.isLikedPostId(post.getId()); + /** + * Returns whether the reply with the given ID is new. + * + * @param replyId + * The ID of the reply to check + * @param markAsKnown + * {@code true} to mark the reply as known, {@code false} to not + * to mark it as known + * @return {@code true} if the reply is considered to be new, {@code false} + * otherwise + */ + public boolean isNewReply(String replyId, boolean markAsKnown) { + synchronized (newReplies) { + boolean isNew = !knownReplies.contains(replyId) && newReplies.contains(replyId); + if (markAsKnown) { + Reply reply = getReply(replyId, false); + if (reply != null) { + markReplyKnown(reply); + } } - }); + return isNew; + } } /** - * Gets all Sones that like the given reply. + * Returns all Sones that have liked the given post. * - * @param reply - * The reply to check for - * @return All Sones that like the reply + * @param post + * The post to get the liking Sones for + * @return The Sones that like the given post */ - public Collection getLikes(final Reply reply) { - return Filters.filteredCollection(getKnownSones(), new Filter() { - - @Override - public boolean filterObject(Sone sone) { - return sone.isLikedReplyId(reply.getId()); + public Set getLikes(Post post) { + Set sones = new HashSet(); + for (Sone sone : getSones()) { + if (sone.getLikedPostIds().contains(post.getId())) { + sones.add(sone); } - }); + } + return sones; } /** - * Deletes the given reply. It is removed from its Sone and from the reply - * cache. + * Returns all Sones that have liked the given reply. * * @param reply - * The reply to remove + * The reply to get the liking Sones for + * @return The Sones that like the given reply */ - public void deleteReply(Reply reply) { - reply.getSone().removeReply(reply); - replyCache.remove(reply.getId()); + public Set getLikes(Reply reply) { + Set sones = new HashSet(); + for (Sone sone : getSones()) { + if (sone.getLikedReplyIds().contains(reply.getId())) { + sones.add(sone); + } + } + return sones; } // - // SERVICE METHODS + // ACTIONS // /** - * {@inheritDoc} + * 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 */ - @Override - protected void serviceStart() { - loadConfiguration(); + public void lockSone(Sone sone) { + synchronized (lockedSones) { + if (lockedSones.add(sone)) { + coreListenerManager.fireSoneLocked(sone); + } + } } /** - * {@inheritDoc} + * Unlocks the given Sone. + * + * @see #lockSone(Sone) + * @param sone + * The sone to unlock */ - @Override - protected void serviceStop() { - soneDownloader.stop(); - /* stop all Sone inserters. */ - for (SoneInserter soneInserter : soneInserters.values()) { - soneInserter.stop(); + public void unlockSone(Sone sone) { + synchronized (lockedSones) { + if (lockedSones.remove(sone)) { + coreListenerManager.fireSoneUnlocked(sone); + } } - saveConfiguration(); } - // - // PRIVATE METHODS - // - /** - * Adds some default Sones. + * Adds a local Sone from the given ID which has to be the ID of an own + * identity. + * + * @param id + * The ID of an own identity to add a Sone for + * @return The added (or already existing) Sone */ - private void addDefaultSones() { - for (String soneUri : defaultSones) { - loadSone(soneUri); + public Sone addLocalSone(String id) { + synchronized (localSones) { + if (localSones.containsKey(id)) { + logger.log(Level.FINE, "Tried to add known local Sone: %s", id); + return localSones.get(id); + } + OwnIdentity ownIdentity = identityManager.getOwnIdentity(id); + if (ownIdentity == null) { + logger.log(Level.INFO, "Invalid Sone ID: %s", id); + return null; + } + return addLocalSone(ownIdentity); } } /** - * Loads the configuration. + * 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 */ - @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(); + public Sone addLocalSone(OwnIdentity ownIdentity) { + if (ownIdentity == null) { + logger.log(Level.WARNING, "Given OwnIdentity is null!"); + return null; + } + synchronized (localSones) { + final Sone sone; try { - configuration.getBooleanValue("FirstStart").setValue(false); - } catch (ConfigurationException ce1) { - logger.log(Level.WARNING, "Could not clear “first start” flag!"); + sone = getLocalSone(ownIdentity.getId()).setIdentity(ownIdentity).setInsertUri(new FreenetURI(ownIdentity.getInsertUri())).setRequestUri(new FreenetURI(ownIdentity.getRequestUri())); + } catch (MalformedURLException mue1) { + logger.log(Level.SEVERE, "Could not convert the Identity’s URIs to Freenet URIs: " + ownIdentity.getInsertUri() + ", " + ownIdentity.getRequestUri(), mue1); + return null; } - } - - options.addIntegerOption("InsertionDelay", new DefaultOption(60, new OptionWatcher() { - - @Override - public void optionChanged(Option option, Integer oldValue, Integer newValue) { - SoneInserter.setInsertionDelay(newValue); + sone.setLatestEdition(Numbers.safeParseLong(ownIdentity.getProperty("Sone.LatestEdition"), (long) 0)); + sone.setClient(new Client("Sone", SonePlugin.VERSION.toString())); + /* TODO - load posts ’n stuff */ + localSones.put(ownIdentity.getId(), sone); + final SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone); + soneInserters.put(sone, soneInserter); + setSoneStatus(sone, SoneStatus.idle); + loadSone(sone); + if (!isSoneRescueMode()) { + soneInserter.start(); } + new Thread(new Runnable() { - })); - - options.addBooleanOption("ClearOnNextRestart", new DefaultOption(false)); - options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption(false)); + @Override + @SuppressWarnings("synthetic-access") + public void run() { + if (!isSoneRescueMode()) { + soneDownloader.fetchSone(sone); + return; + } + logger.log(Level.INFO, "Trying to restore Sone from Freenet…"); + coreListenerManager.fireRescuingSone(sone); + lockSone(sone); + long edition = sone.getLatestEdition(); + while (!stopped && (edition >= 0) && isSoneRescueMode()) { + logger.log(Level.FINE, "Downloading edition " + edition + "…"); + soneDownloader.fetchSone(sone, sone.getRequestUri().setKeyType("SSK").setDocName("Sone-" + edition)); + --edition; + } + logger.log(Level.INFO, "Finished restoring Sone from Freenet, starting Inserter…"); + saveSone(sone); + coreListenerManager.fireRescuedSone(sone); + soneInserter.start(); + } - if (firstStart) { - return; + }, "Sone Downloader").start(); + return sone; } + } - 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; + /** + * 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) { + try { + ownIdentity.addContext("Sone"); + } catch (WebOfTrustException wote1) { + logger.log(Level.SEVERE, "Could not add “Sone” context to own identity: " + ownIdentity, wote1); + return null; } + Sone sone = addLocalSone(ownIdentity); + return sone; + } - options.getIntegerOption("InsertionDelay").set(configuration.getIntValue("Option/InsertionDelay").getValue(null)); + /** + * Adds the Sone of the given identity. + * + * @param identity + * The identity whose Sone to add + * @return The added or already existing Sone + */ + public Sone addRemoteSone(Identity identity) { + if (identity == null) { + logger.log(Level.WARNING, "Given Identity is null!"); + return null; + } + synchronized (remoteSones) { + final Sone sone = getRemoteSone(identity.getId()).setIdentity(identity); + boolean newSone = sone.getRequestUri() == null; + sone.setRequestUri(getSoneUri(identity.getRequestUri())); + sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), (long) 0)); + if (newSone) { + synchronized (newSones) { + newSone = !knownSones.contains(sone.getId()); + if (newSone) { + newSones.add(sone.getId()); + } + } + if (newSone) { + coreListenerManager.fireNewSoneFound(sone); + } + } + remoteSones.put(identity.getId(), sone); + soneDownloader.addSone(sone); + setSoneStatus(sone, SoneStatus.unknown); + new Thread(new Runnable() { - /* 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; + @Override + @SuppressWarnings("synthetic-access") + public void run() { + soneDownloader.fetchSone(sone); + } + + }, "Sone Downloader").start(); + return sone; + } + } + + /** + * Retrieves the trust relationship from the origin to the target. + * + * @param origin + * The origin of the trust tree + * @param target + * The target of the trust + * @return The trust relationship + */ + public Trust getTrust(Sone origin, Sone target) { + if (!isLocalSone(origin)) { + logger.log(Level.WARNING, "Tried to get trust from remote Sone: %s", origin); + return null; + } + try { + return target.getIdentity().getTrust((OwnIdentity) origin.getIdentity()); + } catch (WebOfTrustException wote1) { + logger.log(Level.WARNING, "Could not get trust for Sone: " + target, wote1); + return null; + } + } + + /** + * Updates the stores Sone with the given Sone. + * + * @param sone + * The updated Sone + */ + public void updateSone(Sone sone) { + if (hasSone(sone.getId())) { + boolean soneRescueMode = isLocalSone(sone) && isSoneRescueMode(); + Sone storedSone = getSone(sone.getId()); + if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) { + logger.log(Level.FINE, "Downloaded Sone %s is not newer than stored Sone %s.", new Object[] { sone, storedSone }); + return; } - String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null); - long time = configuration.getLongValue(sonePrefix + "/Time").getValue((long) 0); - 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); - Integer birthDay = configuration.getIntValue(sonePrefix + "/Profile/BirthDay").getValue(null); - Integer birthMonth = configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").getValue(null); - Integer birthYear = configuration.getIntValue(sonePrefix + "/Profile/BirthYear").getValue(null); - try { - Profile profile = new Profile(); - profile.setFirstName(firstName); - profile.setMiddleName(middleName); - profile.setLastName(lastName); - profile.setBirthDay(birthDay).setBirthMonth(birthMonth).setBirthYear(birthYear); - Sone sone = getSone(id).setName(name).setTime(time).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; + synchronized (posts) { + if (!soneRescueMode) { + for (Post post : storedSone.getPosts()) { + posts.remove(post.getId()); + if (!sone.getPosts().contains(post)) { + coreListenerManager.firePostRemoved(post); + } } - time = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0); - 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; + } + synchronized (newPosts) { + for (Post post : sone.getPosts()) { + post.setSone(getSone(post.getSone().getId())); + if (!storedSone.getPosts().contains(post) && !knownPosts.contains(post.getId())) { + newPosts.add(post.getId()); + coreListenerManager.fireNewPostFound(post); + } + posts.put(post.getId(), post); } - 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; + } + } + synchronized (replies) { + if (!soneRescueMode) { + for (Reply reply : storedSone.getReplies()) { + replies.remove(reply.getId()); + if (!sone.getReplies().contains(reply)) { + coreListenerManager.fireReplyRemoved(reply); + } } - 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); - sone.addFriend(friendSone); } - - /* load liked post IDs. */ - int likedPostIdCounter = 0; - while (true) { - String likedPostIdPrefix = sonePrefix + "/LikedPostId." + likedPostIdCounter++; - String likedPostId = configuration.getStringValue(likedPostIdPrefix + "/ID").getValue(null); - if (likedPostId == null) { - break; + synchronized (newReplies) { + for (Reply reply : sone.getReplies()) { + reply.setSone(getSone(reply.getSone().getId())); + if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) { + newReplies.add(reply.getId()); + coreListenerManager.fireNewReplyFound(reply); + } + replies.put(reply.getId(), reply); } - sone.addLikedPostId(likedPostId); } - - /* load liked reply IDs. */ - int likedReplyIdCounter = 0; - while (true) { - String likedReplyIdPrefix = sonePrefix + "/LikedReplyId." + likedReplyIdCounter++; - String likedReplyId = configuration.getStringValue(likedReplyIdPrefix + "/ID").getValue(null); - if (likedReplyId == null) { - break; + } + synchronized (storedSone) { + if (!soneRescueMode || (sone.getTime() > storedSone.getTime())) { + storedSone.setTime(sone.getTime()); + } + storedSone.setClient(sone.getClient()); + storedSone.setProfile(sone.getProfile()); + if (soneRescueMode) { + for (Post post : sone.getPosts()) { + storedSone.addPost(post); + } + for (Reply reply : sone.getReplies()) { + storedSone.addReply(reply); } - sone.addLikedReplyId(likedReplyId); + for (String likedPostId : sone.getLikedPostIds()) { + storedSone.addLikedPostId(likedPostId); + } + for (String likedReplyId : sone.getLikedReplyIds()) { + storedSone.addLikedReplyId(likedReplyId); + } + } else { + storedSone.setPosts(sone.getPosts()); + storedSone.setReplies(sone.getReplies()); + storedSone.setLikePostIds(sone.getLikedPostIds()); + storedSone.setLikeReplyIds(sone.getLikedReplyIds()); } + storedSone.setLatestEdition(sone.getLatestEdition()); + } + } + } - sone.setModificationCounter(modificationCounter); - addLocalSone(sone); - } catch (MalformedURLException mue1) { - logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1); + /** + * Deletes the given Sone. This will remove the Sone from the + * {@link #getLocalSone(String) local Sones}, stops 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, "Tried to delete Sone of non-own identity: %s", sone); + return; + } + synchronized (localSones) { + if (!localSones.containsKey(sone.getId())) { + logger.log(Level.WARNING, "Tried to delete non-local Sone: %s", sone); + return; + } + localSones.remove(sone.getId()); + soneInserters.remove(sone).stop(); + } + try { + ((OwnIdentity) sone.getIdentity()).removeContext("Sone"); + ((OwnIdentity) sone.getIdentity()).removeProperty("Sone.LatestEdition"); + } catch (WebOfTrustException wote1) { + logger.log(Level.WARNING, "Could not remove context and properties from Sone: " + sone, wote1); + } + try { + configuration.getLongValue("Sone/" + sone.getId() + "/Time").setValue(null); + } catch (ConfigurationException ce1) { + logger.log(Level.WARNING, "Could not remove Sone from configuration!", ce1); + } + } + + /** + * 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 (!isLocalSone(sone)) { + logger.log(Level.FINE, "Tried to load non-local Sone: %s", sone); + return; + } + + /* 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. */ + Profile profile = new Profile(); + profile.setFirstName(configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null)); + profile.setMiddleName(configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null)); + profile.setLastName(configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null)); + profile.setBirthDay(configuration.getIntValue(sonePrefix + "/Profile/BirthDay").getValue(null)); + profile.setBirthMonth(configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").getValue(null)); + profile.setBirthYear(configuration.getIntValue(sonePrefix + "/Profile/BirthYear").getValue(null)); + + /* load posts. */ + Set posts = new HashSet(); + while (true) { + String postPrefix = sonePrefix + "/Posts/" + posts.size(); + String postId = configuration.getStringValue(postPrefix + "/ID").getValue(null); + if (postId == null) { + break; + } + String postRecipientId = configuration.getStringValue(postPrefix + "/Recipient").getValue(null); + long postTime = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0); + String postText = configuration.getStringValue(postPrefix + "/Text").getValue(null); + if ((postTime == 0) || (postText == null)) { + logger.log(Level.WARNING, "Invalid post found, aborting load!"); + return; + } + Post post = getPost(postId).setSone(sone).setTime(postTime).setText(postText); + if ((postRecipientId != null) && (postRecipientId.length() == 43)) { + post.setRecipient(getSone(postRecipientId)); + } + posts.add(post); + } + + /* load replies. */ + Set replies = new HashSet(); + while (true) { + String replyPrefix = sonePrefix + "/Replies/" + replies.size(); + String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null); + if (replyId == null) { + break; + } + String postId = configuration.getStringValue(replyPrefix + "/Post/ID").getValue(null); + long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue((long) 0); + String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null); + if ((postId == null) || (replyTime == 0) || (replyText == null)) { + logger.log(Level.WARNING, "Invalid reply found, aborting load!"); + return; + } + replies.add(getReply(replyId).setSone(sone).setPost(getPost(postId)).setTime(replyTime).setText(replyText)); + } + + /* load post likes. */ + Set likedPostIds = new HashSet(); + while (true) { + String likedPostId = configuration.getStringValue(sonePrefix + "/Likes/Post/" + likedPostIds.size() + "/ID").getValue(null); + if (likedPostId == null) { + break; } - } while (true); - logger.log(Level.INFO, "Loaded %d Sones.", getSones().size()); + likedPostIds.add(likedPostId); + } + + /* load reply likes. */ + Set likedReplyIds = new HashSet(); + while (true) { + String likedReplyId = configuration.getStringValue(sonePrefix + "/Likes/Reply/" + likedReplyIds.size() + "/ID").getValue(null); + if (likedReplyId == null) { + break; + } + likedReplyIds.add(likedReplyId); + } - /* load all remote Sones. */ - for (Sone remoteSone : getRemoteSones()) { - loadSone(remoteSone); + /* load friends. */ + Set friends = new HashSet(); + while (true) { + String friendId = configuration.getStringValue(sonePrefix + "/Friends/" + friends.size() + "/ID").getValue(null); + if (friendId == null) { + break; + } + friends.add(friendId); } - logger.exiting(Core.class.getName(), "loadConfiguration()"); + /* 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); + sone.setFriends(friends); + soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint); + } + synchronized (newSones) { + for (String friend : friends) { + knownSones.add(friend); + } + } + synchronized (newPosts) { + for (Post post : posts) { + knownPosts.add(post.getId()); + } + } + synchronized (newReplies) { + for (Reply reply : replies) { + knownReplies.add(reply.getId()); + } + } } /** - * Saves the configuraiton. + * 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 void saveConfiguration() { - Set sones = getSones(); - logger.log(Level.INFO, "Storing %d Sones…", sones.size()); + public synchronized void saveSone(Sone sone) { + if (!isLocalSone(sone)) { + logger.log(Level.FINE, "Tried to save non-local Sone: %s", sone); + return; + } + if (!(sone.getIdentity() instanceof OwnIdentity)) { + logger.log(Level.WARNING, "Local Sone without OwnIdentity found, refusing to save: %s", sone); + return; + } + + logger.log(Level.INFO, "Saving Sone: %s", sone); + try { + ((OwnIdentity) sone.getIdentity()).setProperty("Sone.LatestEdition", String.valueOf(sone.getLatestEdition())); + + /* 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()); + + /* 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.getRecipient() != null) ? post.getRecipient().getId() : null); + 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 (Reply reply : sone.getReplies()) { + String replyPrefix = sonePrefix + "/Replies/" + replyCounter++; + configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId()); + configuration.getStringValue(replyPrefix + "/Post/ID").setValue(reply.getPost().getId()); + 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 friends. */ + int friendCounter = 0; + for (String friendId : sone.getFriends()) { + configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter++ + "/ID").setValue(friendId); + } + configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter + "/ID").setValue(null); + + configuration.save(); + logger.log(Level.INFO, "Sone %s saved.", sone); + } catch (ConfigurationException ce1) { + logger.log(Level.WARNING, "Could not save Sone: " + sone, ce1); + } catch (WebOfTrustException wote1) { + logger.log(Level.WARNING, "Could not set WoT property for Sone: " + sone, wote1); + } + } + + /** + * Creates a new post. + * + * @param sone + * The Sone that creates the post + * @param text + * The text of the post + * @return The created post + */ + public Post createPost(Sone sone, String text) { + return createPost(sone, System.currentTimeMillis(), text); + } + + /** + * Creates a new post. + * + * @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 + */ + public Post createPost(Sone sone, long time, String text) { + return createPost(sone, null, time, text); + } + + /** + * 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, Sone recipient, String text) { + return createPost(sone, recipient, System.currentTimeMillis(), text); + } + + /** + * 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 time + * The time of the post + * @param text + * The text of the post + * @return The created post + */ + public Post createPost(Sone sone, Sone recipient, long time, String text) { + if (!isLocalSone(sone)) { + logger.log(Level.FINE, "Tried to create post for non-local Sone: %s", sone); + return null; + } + Post post = new Post(sone, time, text); + if (recipient != null) { + post.setRecipient(recipient); + } + synchronized (posts) { + posts.put(post.getId(), post); + } + synchronized (newPosts) { + knownPosts.add(post.getId()); + } + sone.addPost(post); + saveSone(sone); + return post; + } + + /** + * Deletes the given post. + * + * @param post + * The post to delete + */ + public void deletePost(Post post) { + if (!isLocalSone(post.getSone())) { + logger.log(Level.WARNING, "Tried to delete post of non-local Sone: %s", post.getSone()); + return; + } + post.getSone().removePost(post); + synchronized (posts) { + posts.remove(post.getId()); + } + saveSone(post.getSone()); + } + + /** + * Marks the given post as known, if it is currently a new post (according + * to {@link #isNewPost(String)}). + * + * @param post + * The post to mark as known + */ + public void markPostKnown(Post post) { + synchronized (newPosts) { + if (newPosts.remove(post.getId())) { + knownPosts.add(post.getId()); + coreListenerManager.fireMarkPostKnown(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 Reply createReply(Sone sone, Post post, String text) { + return createReply(sone, post, System.currentTimeMillis(), text); + } + + /** + * Creates a new reply. + * + * @param sone + * The Sone that creates the reply + * @param post + * The post that this reply refers to + * @param time + * The time of the reply + * @param text + * The text of the reply + * @return The created reply + */ + public Reply createReply(Sone sone, Post post, long time, String text) { + if (!isLocalSone(sone)) { + logger.log(Level.FINE, "Tried to create reply for non-local Sone: %s", sone); + return null; + } + Reply reply = new Reply(sone, post, System.currentTimeMillis(), text); + synchronized (replies) { + replies.put(reply.getId(), reply); + } + synchronized (newReplies) { + knownReplies.add(reply.getId()); + } + sone.addReply(reply); + saveSone(sone); + return reply; + } + + /** + * Deletes the given reply. + * + * @param reply + * The reply to delete + */ + public void deleteReply(Reply reply) { + Sone sone = reply.getSone(); + if (!isLocalSone(sone)) { + logger.log(Level.FINE, "Tried to delete non-local reply: %s", reply); + return; + } + synchronized (replies) { + replies.remove(reply.getId()); + } + sone.removeReply(reply); + saveSone(sone); + } + + /** + * Marks the given reply as known, if it is currently a new reply (according + * to {@link #isNewReply(String)}). + * + * @param reply + * The reply to mark as known + */ + public void markReplyKnown(Reply reply) { + synchronized (newReplies) { + if (newReplies.remove(reply.getId())) { + knownReplies.add(reply.getId()); + coreListenerManager.fireMarkReplyKnown(reply); + } + } + } + + /** + * Starts the core. + */ + public void start() { + loadConfiguration(); + } + + /** + * Stops the core. + */ + public void stop() { + synchronized (localSones) { + for (SoneInserter soneInserter : soneInserters.values()) { + soneInserter.stop(); + } + } + saveConfiguration(); + stopped = true; + } + + /** + * Saves the current options. + */ + public synchronized void saveConfiguration() { + /* store the options first. */ try { - /* store the options first. */ configuration.getIntValue("Option/InsertionDelay").setValue(options.getIntegerOption("InsertionDelay").getReal()); + configuration.getBooleanValue("Option/SoneRescueMode").setValue(options.getBooleanOption("SoneRescueMode").getReal()); configuration.getBooleanValue("Option/ClearOnNextRestart").setValue(options.getBooleanOption("ClearOnNextRestart").getReal()); configuration.getBooleanValue("Option/ReallyClearOnNextRestart").setValue(options.getBooleanOption("ReallyClearOnNextRestart").getReal()); - /* 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.getLongValue(sonePrefix + "/Time").setValue(sone.getTime()); - 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()); - configuration.getIntValue(sonePrefix + "/Profile/BirthDay").setValue(profile.getBirthDay()); - configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").setValue(profile.getBirthMonth()); - configuration.getIntValue(sonePrefix + "/Profile/BirthYear").setValue(profile.getBirthYear()); - 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()); - } - /* 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()); + /* save known Sones. */ + int soneCounter = 0; + synchronized (newSones) { + for (String knownSoneId : knownSones) { + configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId); } - /* 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()); - } - /* write null ID as terminator. */ - configuration.getStringValue(sonePrefix + "/Friend." + friendId + "/ID").setValue(null); - - /* write all liked posts. */ - int likedPostIdCounter = 0; - for (String soneLikedPostId : sone.getLikedPostIds()) { - String likedPostIdPrefix = sonePrefix + "/LikedPostId." + likedPostIdCounter++; - configuration.getStringValue(likedPostIdPrefix + "/ID").setValue(soneLikedPostId); - } - configuration.getStringValue(sonePrefix + "/LikedPostId." + likedPostIdCounter + "/ID").setValue(null); + configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null); + } - /* write all liked replies. */ - int likedReplyIdCounter = 0; - for (String soneLikedReplyId : sone.getLikedReplyIds()) { - String likedReplyIdPrefix = sonePrefix + "/LikedReplyId." + likedReplyIdCounter++; - configuration.getStringValue(likedReplyIdPrefix + "/ID").setValue(soneLikedReplyId); + /* save known posts. */ + int postCounter = 0; + synchronized (newPosts) { + for (String knownPostId : knownPosts) { + configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId); } - configuration.getStringValue(sonePrefix + "/LikedReplyId." + likedReplyIdCounter + "/ID").setValue(null); + configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null); + } + /* save known replies. */ + int replyCounter = 0; + synchronized (newReplies) { + for (String knownReplyId : knownReplies) { + configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId); + } + configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null); } - /* write null ID as terminator. */ - configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null); + + /* now save it. */ + configuration.save(); } catch (ConfigurationException ce1) { - logger.log(Level.WARNING, "Could not store configuration!", ce1); + logger.log(Level.SEVERE, "Could not store configuration!", ce1); + } + } + + // + // PRIVATE METHODS + // + + /** + * Loads the configuration. + */ + @SuppressWarnings("unchecked") + private void loadConfiguration() { + /* create options. */ + options.addIntegerOption("InsertionDelay", new DefaultOption(60, new OptionWatcher() { + + @Override + public void optionChanged(Option option, Integer oldValue, Integer newValue) { + SoneInserter.setInsertionDelay(newValue); + } + + })); + options.addBooleanOption("SoneRescueMode", new DefaultOption(false)); + options.addBooleanOption("ClearOnNextRestart", new DefaultOption(false)); + options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption(false)); + + /* read options from configuration. */ + 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. */ + return; + } + + options.getIntegerOption("InsertionDelay").set(configuration.getIntValue("Option/InsertionDelay").getValue(null)); + options.getBooleanOption("SoneRescueMode").set(configuration.getBooleanValue("Option/SoneRescueMode").getValue(null)); + + /* load known Sones. */ + int soneCounter = 0; + while (true) { + String knownSoneId = configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").getValue(null); + if (knownSoneId == null) { + break; + } + synchronized (newSones) { + knownSones.add(knownSoneId); + } } + + /* load known posts. */ + int postCounter = 0; + while (true) { + String knownPostId = configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").getValue(null); + if (knownPostId == null) { + break; + } + synchronized (newPosts) { + knownPosts.add(knownPostId); + } + } + + /* load known replies. */ + int replyCounter = 0; + while (true) { + String knownReplyId = configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").getValue(null); + if (knownReplyId == null) { + break; + } + synchronized (newReplies) { + knownReplies.add(knownReplyId); + } + } + + } + + /** + * Generate a Sone URI from the given URI and latest edition. + * + * @param uriString + * The URI to derive the Sone URI from + * @return The derived URI + */ + private FreenetURI getSoneUri(String uriString) { + try { + FreenetURI uri = new FreenetURI(uriString).setDocName("Sone").setMetaString(new String[0]); + return uri; + } catch (MalformedURLException mue1) { + logger.log(Level.WARNING, "Could not create Sone URI from URI: " + uriString, mue1); + return null; + } + } + + // + // INTERFACE IdentityListener + // + + /** + * {@inheritDoc} + */ + @Override + public void ownIdentityAdded(OwnIdentity ownIdentity) { + logger.log(Level.FINEST, "Adding OwnIdentity: " + ownIdentity); + if (ownIdentity.hasContext("Sone")) { + trustedIdentities.put(ownIdentity, Collections.synchronizedSet(new HashSet())); + addLocalSone(ownIdentity); + } + } + + /** + * {@inheritDoc} + */ + @Override + public void ownIdentityRemoved(OwnIdentity ownIdentity) { + logger.log(Level.FINEST, "Removing OwnIdentity: " + ownIdentity); + trustedIdentities.remove(ownIdentity); + } + + /** + * {@inheritDoc} + */ + @Override + public void identityAdded(OwnIdentity ownIdentity, Identity identity) { + logger.log(Level.FINEST, "Adding Identity: " + identity); + trustedIdentities.get(ownIdentity).add(identity); + addRemoteSone(identity); + } + + /** + * {@inheritDoc} + */ + @Override + public void identityUpdated(OwnIdentity ownIdentity, final Identity identity) { + new Thread(new Runnable() { + + @Override + @SuppressWarnings("synthetic-access") + public void run() { + Sone sone = getRemoteSone(identity.getId()); + soneDownloader.fetchSone(sone); + } + }).start(); + } + + /** + * {@inheritDoc} + */ + @Override + public void identityRemoved(OwnIdentity ownIdentity, Identity identity) { + trustedIdentities.get(ownIdentity).remove(identity); } }