src/main/java/net/pterodactylus/sone/core/SoneDownloaderImpl.java

   1 /*
   2  * Sone - SoneDownloader.java - Copyright © 2010–2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.core;
  19
  20 import static java.lang.String.format;
  21 import static java.lang.System.currentTimeMillis;
  22 import static java.util.concurrent.TimeUnit.DAYS;
  23
  24 import java.io.InputStream;
  25 import java.net.MalformedURLException;
  26 import java.util.ArrayList;
  27 import java.util.HashSet;
  28 import java.util.List;
  29 import java.util.Set;
  30 import java.util.concurrent.TimeUnit;
  31 import java.util.logging.Level;
  32 import java.util.logging.Logger;
  33
  34 import net.pterodactylus.sone.core.FreenetInterface.Fetched;
  35 import net.pterodactylus.sone.data.Album;
  36 import net.pterodactylus.sone.data.Client;
  37 import net.pterodactylus.sone.data.Image;
  38 import net.pterodactylus.sone.data.Post;
  39 import net.pterodactylus.sone.data.PostReply;
  40 import net.pterodactylus.sone.data.Profile;
  41 import net.pterodactylus.sone.data.Sone;
  42 import net.pterodactylus.sone.data.Sone.SoneStatus;
  43 import net.pterodactylus.sone.data.SoneImpl;
  44 import net.pterodactylus.sone.database.PostBuilder;
  45 import net.pterodactylus.sone.database.PostReplyBuilder;
  46 import net.pterodactylus.util.io.Closer;
  47 import net.pterodactylus.util.logging.Logging;
  48 import net.pterodactylus.util.number.Numbers;
  49 import net.pterodactylus.util.service.AbstractService;
  50 import net.pterodactylus.util.xml.SimpleXML;
  51 import net.pterodactylus.util.xml.XML;
  52
  53 import freenet.client.FetchResult;
  54 import freenet.client.async.ClientContext;
  55 import freenet.client.async.USKCallback;
  56 import freenet.keys.FreenetURI;
  57 import freenet.keys.USK;
  58 import freenet.node.RequestStarter;
  59 import freenet.support.api.Bucket;
  60
  61 import com.db4o.ObjectContainer;
  62
  63 import com.google.common.annotations.VisibleForTesting;
  64 import org.w3c.dom.Document;
  65
  66 /**
  67  * The Sone downloader is responsible for download Sones as they are updated.
  68  *
  69  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  70  */
  71 public class SoneDownloaderImpl extends AbstractService implements SoneDownloader {
  72
  73         /** The logger. */
  74         private static final Logger logger = Logging.getLogger(SoneDownloaderImpl.class);
  75
  76         /** The maximum protocol version. */
  77         private static final int MAX_PROTOCOL_VERSION = 0;
  78
  79         /** The core. */
  80         private final Core core;
  81
  82         /** The Freenet interface. */
  83         private final FreenetInterface freenetInterface;
  84
  85         /** The sones to update. */
  86         private final Set<Sone> sones = new HashSet<Sone>();
  87
  88         /**
  89          * Creates a new Sone downloader.
  90          *
  91          * @param core
  92          *              The core
  93          * @param freenetInterface
  94          *              The Freenet interface
  95          */
  96         public SoneDownloaderImpl(Core core, FreenetInterface freenetInterface) {
  97                 super("Sone Downloader", false);
  98                 this.core = core;
  99                 this.freenetInterface = freenetInterface;
 100         }
 101
 102         //
 103         // ACTIONS
 104         //
 105
 106         /**
 107          * Adds the given Sone to the set of Sones that will be watched for updates.
 108          *
 109          * @param sone
 110          *              The Sone to add
 111          */
 112         @Override
 113         public void addSone(final Sone sone) {
 114                 if (!sones.add(sone)) {
 115                         freenetInterface.unregisterUsk(sone);
 116                 }
 117                 final USKCallback uskCallback = new USKCallback() {
 118
 119                         @Override
 120                         @SuppressWarnings("synthetic-access")
 121                         public void onFoundEdition(long edition, USK key,
 122                                         ObjectContainer objectContainer,
 123                                         ClientContext clientContext, boolean metadata,
 124                                         short codec, byte[] data, boolean newKnownGood,
 125                                         boolean newSlotToo) {
 126                                 logger.log(Level.FINE, format(
 127                                                 "Found USK update for Sone “%s” at %s, new known good: %s, new slot too: %s.",
 128                                                 sone, key, newKnownGood, newSlotToo));
 129                                 if (edition > sone.getLatestEdition()) {
 130                                         sone.setLatestEdition(edition);
 131                                         new Thread(fetchSoneAction(sone),
 132                                                         "Sone Downloader").start();
 133                                 }
 134                         }
 135
 136                         @Override
 137                         public short getPollingPriorityProgress() {
 138                                 return RequestStarter.INTERACTIVE_PRIORITY_CLASS;
 139                         }
 140
 141                         @Override
 142                         public short getPollingPriorityNormal() {
 143                                 return RequestStarter.INTERACTIVE_PRIORITY_CLASS;
 144                         }
 145                 };
 146                 if (soneHasBeenActiveRecently(sone)) {
 147                         freenetInterface.registerActiveUsk(sone.getRequestUri(),
 148                                         uskCallback);
 149                 } else {
 150                         freenetInterface.registerPassiveUsk(sone.getRequestUri(),
 151                                         uskCallback);
 152                 }
 153         }
 154
 155         private boolean soneHasBeenActiveRecently(Sone sone) {
 156                 return (currentTimeMillis() - sone.getTime()) < DAYS.toMillis(7);
 157         }
 158
 159         private void fetchSone(Sone sone) {
 160                 fetchSone(sone, sone.getRequestUri().sskForUSK());
 161         }
 162
 163         /**
 164          * Fetches the updated Sone. This method can be used to fetch a Sone from a
 165          * specific URI.
 166          *
 167          * @param sone
 168          *              The Sone to fetch
 169          * @param soneUri
 170          *              The URI to fetch the Sone from
 171          */
 172         @Override
 173         public void fetchSone(Sone sone, FreenetURI soneUri) {
 174                 fetchSone(sone, soneUri, false);
 175         }
 176
 177         /**
 178          * Fetches the Sone from the given URI.
 179          *
 180          * @param sone
 181          *              The Sone to fetch
 182          * @param soneUri
 183          *              The URI of the Sone to fetch
 184          * @param fetchOnly
 185          *              {@code true} to only fetch and parse the Sone, {@code false}
 186          *              to {@link Core#updateSone(Sone) update} it in the core
 187          * @return The downloaded Sone, or {@code null} if the Sone could not be
 188          *         downloaded
 189          */
 190         @Override
 191         public Sone fetchSone(Sone sone, FreenetURI soneUri, boolean fetchOnly) {
 192                 logger.log(Level.FINE, String.format("Starting fetch for Sone “%s” from %s…", sone, soneUri));
 193                 FreenetURI requestUri = soneUri.setMetaString(new String[] { "sone.xml" });
 194                 sone.setStatus(SoneStatus.downloading);
 195                 try {
 196                         Fetched fetchResults = freenetInterface.fetchUri(requestUri);
 197                         if (fetchResults == null) {
 198                                 /* TODO - mark Sone as bad. */
 199                                 return null;
 200                         }
 201                         logger.log(Level.FINEST, String.format("Got %d bytes back.", fetchResults.getFetchResult().size()));
 202                         Sone parsedSone = parseSone(sone, fetchResults.getFetchResult(), fetchResults.getFreenetUri());
 203                         if (parsedSone != null) {
 204                                 if (!fetchOnly) {
 205                                         parsedSone.setStatus((parsedSone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
 206                                         core.updateSone(parsedSone);
 207                                         addSone(parsedSone);
 208                                 }
 209                         }
 210                         return parsedSone;
 211                 } finally {
 212                         sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
 213                 }
 214         }
 215
 216         /**
 217          * Parses a Sone from a fetch result.
 218          *
 219          * @param originalSone
 220          *              The sone to parse, or {@code null} if the Sone is yet unknown
 221          * @param fetchResult
 222          *              The fetch result
 223          * @param requestUri
 224          *              The requested URI
 225          * @return The parsed Sone, or {@code null} if the Sone could not be parsed
 226          */
 227         private Sone parseSone(Sone originalSone, FetchResult fetchResult, FreenetURI requestUri) {
 228                 logger.log(Level.FINEST, String.format("Parsing FetchResult (%d bytes, %s) for %s…", fetchResult.size(), fetchResult.getMimeType(), originalSone));
 229                 Bucket soneBucket = fetchResult.asBucket();
 230                 InputStream soneInputStream = null;
 231                 try {
 232                         soneInputStream = soneBucket.getInputStream();
 233                         Sone parsedSone = parseSone(originalSone, soneInputStream);
 234                         if (parsedSone != null) {
 235                                 parsedSone.setLatestEdition(requestUri.getEdition());
 236                                 if (requestUri.getKeyType().equals("USK")) {
 237                                         parsedSone.setRequestUri(requestUri.setMetaString(new String[0]));
 238                                 } else {
 239                                         parsedSone.setRequestUri(requestUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]));
 240                                 }
 241                         }
 242                         return parsedSone;
 243                 } catch (Exception e1) {
 244                         logger.log(Level.WARNING, String.format("Could not parse Sone from %s!", requestUri), e1);
 245                 } finally {
 246                         Closer.close(soneInputStream);
 247                         soneBucket.free();
 248                 }
 249                 return null;
 250         }
 251
 252         /**
 253          * Parses a Sone from the given input stream and creates a new Sone from the
 254          * parsed data.
 255          *
 256          * @param originalSone
 257          *              The Sone to update
 258          * @param soneInputStream
 259          *              The input stream to parse the Sone from
 260          * @return The parsed Sone
 261          * @throws SoneException
 262          *              if a parse error occurs, or the protocol is invalid
 263          */
 264         @VisibleForTesting
 265         protected Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
 266                 /* TODO - impose a size limit? */
 267
 268                 Document document;
 269                 /* XML parsing is not thread-safe. */
 270                 synchronized (this) {
 271                         document = XML.transformToDocument(soneInputStream);
 272                 }
 273                 if (document == null) {
 274                         /* TODO - mark Sone as bad. */
 275                         logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
 276                         return null;
 277                 }
 278
 279                 Sone sone = new SoneImpl(originalSone.getId(), originalSone.isLocal()).setIdentity(originalSone.getIdentity());
 280
 281                 SimpleXML soneXml;
 282                 try {
 283                         soneXml = SimpleXML.fromDocument(document);
 284                 } catch (NullPointerException npe1) {
 285                         /* for some reason, invalid XML can cause NPEs. */
 286                         logger.log(Level.WARNING, String.format("XML for Sone %s can not be parsed!", sone), npe1);
 287                         return null;
 288                 }
 289
 290                 Integer protocolVersion = null;
 291                 String soneProtocolVersion = soneXml.getValue("protocol-version", null);
 292                 if (soneProtocolVersion != null) {
 293                         protocolVersion = Numbers.safeParseInteger(soneProtocolVersion);
 294                 }
 295                 if (protocolVersion == null) {
 296                         logger.log(Level.INFO, "No protocol version found, assuming 0.");
 297                         protocolVersion = 0;
 298                 }
 299
 300                 if (protocolVersion < 0) {
 301                         logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
 302                         return null;
 303                 }
 304
 305                 /* check for valid versions. */
 306                 if (protocolVersion > MAX_PROTOCOL_VERSION) {
 307                         logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion));
 308                         return null;
 309                 }
 310
 311                 String soneTime = soneXml.getValue("time", null);
 312                 if (soneTime == null) {
 313                         /* TODO - mark Sone as bad. */
 314                         logger.log(Level.WARNING, String.format("Downloaded time for Sone %s was null!", sone));
 315                         return null;
 316                 }
 317                 try {
 318                         sone.setTime(Long.parseLong(soneTime));
 319                 } catch (NumberFormatException nfe1) {
 320                         /* TODO - mark Sone as bad. */
 321                         logger.log(Level.WARNING, String.format("Downloaded Sone %s with invalid time: %s", sone, soneTime));
 322                         return null;
 323                 }
 324
 325                 SimpleXML clientXml = soneXml.getNode("client");
 326                 if (clientXml != null) {
 327                         String clientName = clientXml.getValue("name", null);
 328                         String clientVersion = clientXml.getValue("version", null);
 329                         if ((clientName == null) || (clientVersion == null)) {
 330                                 logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
 331                                 return null;
 332                         }
 333                         sone.setClient(new Client(clientName, clientVersion));
 334                 }
 335
 336                 String soneRequestUri = soneXml.getValue("request-uri", null);
 337                 if (soneRequestUri != null) {
 338                         try {
 339                                 sone.setRequestUri(new FreenetURI(soneRequestUri));
 340                         } catch (MalformedURLException mue1) {
 341                                 /* TODO - mark Sone as bad. */
 342                                 logger.log(Level.WARNING, String.format("Downloaded Sone %s has invalid request URI: %s", sone, soneRequestUri), mue1);
 343                                 return null;
 344                         }
 345                 }
 346
 347                 if (originalSone.getInsertUri() != null) {
 348                         sone.setInsertUri(originalSone.getInsertUri());
 349                 }
 350
 351                 SimpleXML profileXml = soneXml.getNode("profile");
 352                 if (profileXml == null) {
 353                         /* TODO - mark Sone as bad. */
 354                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no profile!", sone));
 355                         return null;
 356                 }
 357
 358                 /* parse profile. */
 359                 String profileFirstName = profileXml.getValue("first-name", null);
 360                 String profileMiddleName = profileXml.getValue("middle-name", null);
 361                 String profileLastName = profileXml.getValue("last-name", null);
 362                 Integer profileBirthDay = Numbers.safeParseInteger(profileXml.getValue("birth-day", null));
 363                 Integer profileBirthMonth = Numbers.safeParseInteger(profileXml.getValue("birth-month", null));
 364                 Integer profileBirthYear = Numbers.safeParseInteger(profileXml.getValue("birth-year", null));
 365                 Profile profile = new Profile(sone).setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
 366                 profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
 367                 /* avatar is processed after images are loaded. */
 368                 String avatarId = profileXml.getValue("avatar", null);
 369
 370                 /* parse profile fields. */
 371                 SimpleXML profileFieldsXml = profileXml.getNode("fields");
 372                 if (profileFieldsXml != null) {
 373                         for (SimpleXML fieldXml : profileFieldsXml.getNodes("field")) {
 374                                 String fieldName = fieldXml.getValue("field-name", null);
 375                                 String fieldValue = fieldXml.getValue("field-value", "");
 376                                 if (fieldName == null) {
 377                                         logger.log(Level.WARNING, String.format("Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", sone, fieldName, fieldValue));
 378                                         return null;
 379                                 }
 380                                 try {
 381                                         profile.addField(fieldName.trim()).setValue(fieldValue);
 382                                 } catch (IllegalArgumentException iae1) {
 383                                         logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
 384                                         return null;
 385                                 }
 386                         }
 387                 }
 388
 389                 /* parse posts. */
 390                 SimpleXML postsXml = soneXml.getNode("posts");
 391                 Set<Post> posts = new HashSet<Post>();
 392                 if (postsXml == null) {
 393                         /* TODO - mark Sone as bad. */
 394                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no posts!", sone));
 395                 } else {
 396                         for (SimpleXML postXml : postsXml.getNodes("post")) {
 397                                 String postId = postXml.getValue("id", null);
 398                                 String postRecipientId = postXml.getValue("recipient", null);
 399                                 String postTime = postXml.getValue("time", null);
 400                                 String postText = postXml.getValue("text", null);
 401                                 if ((postId == null) || (postTime == null) || (postText == null)) {
 402                                         /* TODO - mark Sone as bad. */
 403                                         logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", sone, postId, postTime, postText));
 404                                         return null;
 405                                 }
 406                                 try {
 407                                         PostBuilder postBuilder = core.postBuilder();
 408                                         /* TODO - parse time correctly. */
 409                                         postBuilder.withId(postId).from(sone.getId()).withTime(Long.parseLong(postTime)).withText(postText);
 410                                         if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
 411                                                 postBuilder.to(postRecipientId);
 412                                         }
 413                                         posts.add(postBuilder.build());
 414                                 } catch (NumberFormatException nfe1) {
 415                                         /* TODO - mark Sone as bad. */
 416                                         logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with invalid time: %s", sone, postTime));
 417                                         return null;
 418                                 }
 419                         }
 420                 }
 421
 422                 /* parse replies. */
 423                 SimpleXML repliesXml = soneXml.getNode("replies");
 424                 Set<PostReply> replies = new HashSet<PostReply>();
 425                 if (repliesXml == null) {
 426                         /* TODO - mark Sone as bad. */
 427                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no replies!", sone));
 428                 } else {
 429                         for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
 430                                 String replyId = replyXml.getValue("id", null);
 431                                 String replyPostId = replyXml.getValue("post-id", null);
 432                                 String replyTime = replyXml.getValue("time", null);
 433                                 String replyText = replyXml.getValue("text", null);
 434                                 if ((replyId == null) || (replyPostId == null) || (replyTime == null) || (replyText == null)) {
 435                                         /* TODO - mark Sone as bad. */
 436                                         logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with missing data! ID: %s, Post: %s, Time: %s, Text: %s", sone, replyId, replyPostId, replyTime, replyText));
 437                                         return null;
 438                                 }
 439                                 try {
 440                                         PostReplyBuilder postReplyBuilder = core.postReplyBuilder();
 441                                         /* TODO - parse time correctly. */
 442                                         postReplyBuilder.withId(replyId).from(sone.getId()).to(replyPostId).withTime(Long.parseLong(replyTime)).withText(replyText);
 443                                         replies.add(postReplyBuilder.build());
 444                                 } catch (NumberFormatException nfe1) {
 445                                         /* TODO - mark Sone as bad. */
 446                                         logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with invalid time: %s", sone, replyTime));
 447                                         return null;
 448                                 }
 449                         }
 450                 }
 451
 452                 /* parse liked post IDs. */
 453                 SimpleXML likePostIdsXml = soneXml.getNode("post-likes");
 454                 Set<String> likedPostIds = new HashSet<String>();
 455                 if (likePostIdsXml == null) {
 456                         /* TODO - mark Sone as bad. */
 457                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no post likes!", sone));
 458                 } else {
 459                         for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
 460                                 String postId = likedPostIdXml.getValue();
 461                                 likedPostIds.add(postId);
 462                         }
 463                 }
 464
 465                 /* parse liked reply IDs. */
 466                 SimpleXML likeReplyIdsXml = soneXml.getNode("reply-likes");
 467                 Set<String> likedReplyIds = new HashSet<String>();
 468                 if (likeReplyIdsXml == null) {
 469                         /* TODO - mark Sone as bad. */
 470                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no reply likes!", sone));
 471                 } else {
 472                         for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
 473                                 String replyId = likedReplyIdXml.getValue();
 474                                 likedReplyIds.add(replyId);
 475                         }
 476                 }
 477
 478                 /* parse albums. */
 479                 SimpleXML albumsXml = soneXml.getNode("albums");
 480                 List<Album> topLevelAlbums = new ArrayList<Album>();
 481                 if (albumsXml != null) {
 482                         for (SimpleXML albumXml : albumsXml.getNodes("album")) {
 483                                 String id = albumXml.getValue("id", null);
 484                                 String parentId = albumXml.getValue("parent", null);
 485                                 String title = albumXml.getValue("title", null);
 486                                 String description = albumXml.getValue("description", "");
 487                                 String albumImageId = albumXml.getValue("album-image", null);
 488                                 if ((id == null) || (title == null)) {
 489                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
 490                                         return null;
 491                                 }
 492                                 Album parent = null;
 493                                 if (parentId != null) {
 494                                         parent = core.getAlbum(parentId);
 495                                         if (parent == null) {
 496                                                 logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
 497                                                 return null;
 498                                         }
 499                                 }
 500                                 Album album = core.albumBuilder()
 501                                                 .withId(id)
 502                                                 .by(sone)
 503                                                 .build()
 504                                                 .modify()
 505                                                 .setTitle(title)
 506                                                 .setDescription(description)
 507                                                 .update();
 508                                 if (parent != null) {
 509                                         parent.addAlbum(album);
 510                                 } else {
 511                                         topLevelAlbums.add(album);
 512                                 }
 513                                 SimpleXML imagesXml = albumXml.getNode("images");
 514                                 if (imagesXml != null) {
 515                                         for (SimpleXML imageXml : imagesXml.getNodes("image")) {
 516                                                 String imageId = imageXml.getValue("id", null);
 517                                                 String imageCreationTimeString = imageXml.getValue("creation-time", null);
 518                                                 String imageKey = imageXml.getValue("key", null);
 519                                                 String imageTitle = imageXml.getValue("title", null);
 520                                                 String imageDescription = imageXml.getValue("description", "");
 521                                                 String imageWidthString = imageXml.getValue("width", null);
 522                                                 String imageHeightString = imageXml.getValue("height", null);
 523                                                 if ((imageId == null) || (imageCreationTimeString == null) || (imageKey == null) || (imageTitle == null) || (imageWidthString == null) || (imageHeightString == null)) {
 524                                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid images!", sone));
 525                                                         return null;
 526                                                 }
 527                                                 long creationTime = Numbers.safeParseLong(imageCreationTimeString, 0L);
 528                                                 int imageWidth = Numbers.safeParseInteger(imageWidthString, 0);
 529                                                 int imageHeight = Numbers.safeParseInteger(imageHeightString, 0);
 530                                                 if ((imageWidth < 1) || (imageHeight < 1)) {
 531                                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", sone, imageId, imageWidthString, imageHeightString));
 532                                                         return null;
 533                                                 }
 534                                                 Image image = core.imageBuilder().withId(imageId).build().modify().setSone(sone).setKey(imageKey).setCreationTime(creationTime).update();
 535                                                 image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
 536                                                 image = image.modify().setWidth(imageWidth).setHeight(imageHeight).update();
 537                                                 album.addImage(image);
 538                                         }
 539                                 }
 540                                 album.modify().setAlbumImage(albumImageId).update();
 541                         }
 542                 }
 543
 544                 /* process avatar. */
 545                 if (avatarId != null) {
 546                         profile.setAvatar(core.getImage(avatarId, false));
 547                 }
 548
 549                 /* okay, apparently everything was parsed correctly. Now import. */
 550                 /* atomic setter operation on the Sone. */
 551                 synchronized (sone) {
 552                         sone.setProfile(profile);
 553                         sone.setPosts(posts);
 554                         sone.setReplies(replies);
 555                         sone.setLikePostIds(likedPostIds);
 556                         sone.setLikeReplyIds(likedReplyIds);
 557                         for (Album album : topLevelAlbums) {
 558                                 sone.getRootAlbum().addAlbum(album);
 559                         }
 560                 }
 561
 562                 return sone;
 563         }
 564
 565         @Override
 566         public Runnable fetchSoneWithUriAction(final Sone sone) {
 567                 return new Runnable() {
 568                         @Override
 569                         public void run() {
 570                                 fetchSone(sone, sone.getRequestUri());
 571                         }
 572                 };
 573         }
 574
 575         @Override
 576         public Runnable fetchSoneAction(final Sone sone) {
 577                 return new Runnable() {
 578                         @Override
 579                         public void run() {
 580                                 fetchSone(sone);
 581                         }
 582                 };
 583         }
 584
 585         /** {@inheritDoc} */
 586         @Override
 587         protected void serviceStop() {
 588                 for (Sone sone : sones) {
 589                         freenetInterface.unregisterUsk(sone);
 590                 }
 591         }
 592
 593 }