/*
- * Sone - SoneDownloader.java - Copyright © 2010–2013 David Roden
+ * Sone - SoneDownloaderImpl.java - Copyright © 2010–2016 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
package net.pterodactylus.sone.core;
+import static freenet.support.io.Closer.close;
import static java.lang.String.format;
import static java.lang.System.currentTimeMillis;
import static java.util.concurrent.TimeUnit.DAYS;
+import static java.util.logging.Logger.getLogger;
import java.io.InputStream;
-import java.net.MalformedURLException;
-import java.util.ArrayList;
import java.util.HashSet;
-import java.util.List;
import java.util.Set;
-import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
+import javax.inject.Inject;
+
import net.pterodactylus.sone.core.FreenetInterface.Fetched;
-import net.pterodactylus.sone.data.Album;
-import net.pterodactylus.sone.data.Client;
-import net.pterodactylus.sone.data.Image;
-import net.pterodactylus.sone.data.Post;
-import net.pterodactylus.sone.data.PostReply;
-import net.pterodactylus.sone.data.Profile;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.data.Sone.SoneStatus;
-import net.pterodactylus.sone.data.SoneImpl;
-import net.pterodactylus.sone.database.PostBuilder;
-import net.pterodactylus.sone.database.PostReplyBuilder;
-import net.pterodactylus.util.io.Closer;
-import net.pterodactylus.util.logging.Logging;
-import net.pterodactylus.util.number.Numbers;
import net.pterodactylus.util.service.AbstractService;
-import net.pterodactylus.util.xml.SimpleXML;
-import net.pterodactylus.util.xml.XML;
import freenet.client.FetchResult;
import freenet.client.async.ClientContext;
import freenet.node.RequestStarter;
import freenet.support.api.Bucket;
-import com.db4o.ObjectContainer;
-
import com.google.common.annotations.VisibleForTesting;
-import org.w3c.dom.Document;
/**
* The Sone downloader is responsible for download Sones as they are updated.
public class SoneDownloaderImpl extends AbstractService implements SoneDownloader {
/** The logger. */
- private static final Logger logger = Logging.getLogger(SoneDownloaderImpl.class);
+ private static final Logger logger = getLogger(SoneDownloaderImpl.class.getName());
/** The maximum protocol version. */
private static final int MAX_PROTOCOL_VERSION = 0;
/** The core. */
private final Core core;
+ private final SoneParser soneParser;
/** The Freenet interface. */
private final FreenetInterface freenetInterface;
* @param freenetInterface
* The Freenet interface
*/
+ @Inject
public SoneDownloaderImpl(Core core, FreenetInterface freenetInterface) {
+ this(core, freenetInterface, new SoneParser(core));
+ }
+
+ /**
+ * Creates a new Sone downloader.
+ *
+ * @param core
+ * The core
+ * @param freenetInterface
+ * The Freenet interface
+ * @param soneParser
+ */
+ @VisibleForTesting
+ SoneDownloaderImpl(Core core, FreenetInterface freenetInterface, SoneParser soneParser) {
super("Sone Downloader", false);
this.core = core;
this.freenetInterface = freenetInterface;
+ this.soneParser = soneParser;
}
//
@Override
@SuppressWarnings("synthetic-access")
public void onFoundEdition(long edition, USK key,
- ObjectContainer objectContainer,
ClientContext clientContext, boolean metadata,
short codec, byte[] data, boolean newKnownGood,
boolean newSlotToo) {
InputStream soneInputStream = null;
try {
soneInputStream = soneBucket.getInputStream();
- Sone parsedSone = parseSone(originalSone, soneInputStream);
+ Sone parsedSone = soneParser.parseSone(originalSone,
+ soneInputStream);
if (parsedSone != null) {
parsedSone.setLatestEdition(requestUri.getEdition());
- if (requestUri.getKeyType().equals("USK")) {
- parsedSone.setRequestUri(requestUri.setMetaString(new String[0]));
- } else {
- parsedSone.setRequestUri(requestUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]));
- }
}
return parsedSone;
} catch (Exception e1) {
logger.log(Level.WARNING, String.format("Could not parse Sone from %s!", requestUri), e1);
} finally {
- Closer.close(soneInputStream);
- soneBucket.free();
+ close(soneInputStream);
+ close(soneBucket);
}
return null;
}
- /**
- * Parses a Sone from the given input stream and creates a new Sone from the
- * parsed data.
- *
- * @param originalSone
- * The Sone to update
- * @param soneInputStream
- * The input stream to parse the Sone from
- * @return The parsed Sone
- * @throws SoneException
- * if a parse error occurs, or the protocol is invalid
- */
- @VisibleForTesting
- protected Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
- /* TODO - impose a size limit? */
-
- Document document;
- /* XML parsing is not thread-safe. */
- synchronized (this) {
- document = XML.transformToDocument(soneInputStream);
- }
- if (document == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
- return null;
- }
-
- Sone sone = new SoneImpl(originalSone.getId(), originalSone.isLocal()).setIdentity(originalSone.getIdentity());
-
- SimpleXML soneXml;
- try {
- soneXml = SimpleXML.fromDocument(document);
- } catch (NullPointerException npe1) {
- /* for some reason, invalid XML can cause NPEs. */
- logger.log(Level.WARNING, String.format("XML for Sone %s can not be parsed!", sone), npe1);
- return null;
- }
-
- Integer protocolVersion = null;
- String soneProtocolVersion = soneXml.getValue("protocol-version", null);
- if (soneProtocolVersion != null) {
- protocolVersion = Numbers.safeParseInteger(soneProtocolVersion);
- }
- if (protocolVersion == null) {
- logger.log(Level.INFO, "No protocol version found, assuming 0.");
- protocolVersion = 0;
- }
-
- if (protocolVersion < 0) {
- logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
- return null;
- }
-
- /* check for valid versions. */
- if (protocolVersion > MAX_PROTOCOL_VERSION) {
- logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion));
- return null;
- }
-
- String soneTime = soneXml.getValue("time", null);
- if (soneTime == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded time for Sone %s was null!", sone));
- return null;
- }
- try {
- sone.setTime(Long.parseLong(soneTime));
- } catch (NumberFormatException nfe1) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s with invalid time: %s", sone, soneTime));
- return null;
- }
-
- SimpleXML clientXml = soneXml.getNode("client");
- if (clientXml != null) {
- String clientName = clientXml.getValue("name", null);
- String clientVersion = clientXml.getValue("version", null);
- if ((clientName == null) || (clientVersion == null)) {
- logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
- return null;
- }
- sone.setClient(new Client(clientName, clientVersion));
- }
-
- String soneRequestUri = soneXml.getValue("request-uri", null);
- if (soneRequestUri != null) {
- try {
- sone.setRequestUri(new FreenetURI(soneRequestUri));
- } catch (MalformedURLException mue1) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has invalid request URI: %s", sone, soneRequestUri), mue1);
- return null;
- }
- }
-
- if (originalSone.getInsertUri() != null) {
- sone.setInsertUri(originalSone.getInsertUri());
- }
-
- SimpleXML profileXml = soneXml.getNode("profile");
- if (profileXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has no profile!", sone));
- return null;
- }
-
- /* parse profile. */
- String profileFirstName = profileXml.getValue("first-name", null);
- String profileMiddleName = profileXml.getValue("middle-name", null);
- String profileLastName = profileXml.getValue("last-name", null);
- Integer profileBirthDay = Numbers.safeParseInteger(profileXml.getValue("birth-day", null));
- Integer profileBirthMonth = Numbers.safeParseInteger(profileXml.getValue("birth-month", null));
- Integer profileBirthYear = Numbers.safeParseInteger(profileXml.getValue("birth-year", null));
- Profile profile = new Profile(sone).setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
- profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
- /* avatar is processed after images are loaded. */
- String avatarId = profileXml.getValue("avatar", null);
-
- /* parse profile fields. */
- SimpleXML profileFieldsXml = profileXml.getNode("fields");
- if (profileFieldsXml != null) {
- for (SimpleXML fieldXml : profileFieldsXml.getNodes("field")) {
- String fieldName = fieldXml.getValue("field-name", null);
- String fieldValue = fieldXml.getValue("field-value", "");
- if (fieldName == null) {
- logger.log(Level.WARNING, String.format("Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", sone, fieldName, fieldValue));
- return null;
- }
- try {
- profile.addField(fieldName.trim()).setValue(fieldValue);
- } catch (IllegalArgumentException iae1) {
- logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
- return null;
- }
- }
- }
-
- /* parse posts. */
- SimpleXML postsXml = soneXml.getNode("posts");
- Set<Post> posts = new HashSet<Post>();
- if (postsXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has no posts!", sone));
- } else {
- for (SimpleXML postXml : postsXml.getNodes("post")) {
- String postId = postXml.getValue("id", null);
- String postRecipientId = postXml.getValue("recipient", null);
- String postTime = postXml.getValue("time", null);
- String postText = postXml.getValue("text", null);
- if ((postId == null) || (postTime == null) || (postText == null)) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", sone, postId, postTime, postText));
- return null;
- }
- try {
- PostBuilder postBuilder = core.postBuilder();
- /* TODO - parse time correctly. */
- postBuilder.withId(postId).from(sone.getId()).withTime(Long.parseLong(postTime)).withText(postText);
- if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
- postBuilder.to(postRecipientId);
- }
- posts.add(postBuilder.build());
- } catch (NumberFormatException nfe1) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with invalid time: %s", sone, postTime));
- return null;
- }
- }
- }
-
- /* parse replies. */
- SimpleXML repliesXml = soneXml.getNode("replies");
- Set<PostReply> replies = new HashSet<PostReply>();
- if (repliesXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has no replies!", sone));
- } else {
- for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
- String replyId = replyXml.getValue("id", null);
- String replyPostId = replyXml.getValue("post-id", null);
- String replyTime = replyXml.getValue("time", null);
- String replyText = replyXml.getValue("text", null);
- if ((replyId == null) || (replyPostId == null) || (replyTime == null) || (replyText == null)) {
- /* TODO - mark Sone as bad. */
- 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));
- return null;
- }
- try {
- PostReplyBuilder postReplyBuilder = core.postReplyBuilder();
- /* TODO - parse time correctly. */
- postReplyBuilder.withId(replyId).from(sone.getId()).to(replyPostId).withTime(Long.parseLong(replyTime)).withText(replyText);
- replies.add(postReplyBuilder.build());
- } catch (NumberFormatException nfe1) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with invalid time: %s", sone, replyTime));
- return null;
- }
- }
- }
-
- /* parse liked post IDs. */
- SimpleXML likePostIdsXml = soneXml.getNode("post-likes");
- Set<String> likedPostIds = new HashSet<String>();
- if (likePostIdsXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has no post likes!", sone));
- } else {
- for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
- String postId = likedPostIdXml.getValue();
- likedPostIds.add(postId);
- }
- }
-
- /* parse liked reply IDs. */
- SimpleXML likeReplyIdsXml = soneXml.getNode("reply-likes");
- Set<String> likedReplyIds = new HashSet<String>();
- if (likeReplyIdsXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has no reply likes!", sone));
- } else {
- for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
- String replyId = likedReplyIdXml.getValue();
- likedReplyIds.add(replyId);
- }
- }
-
- /* parse albums. */
- SimpleXML albumsXml = soneXml.getNode("albums");
- List<Album> topLevelAlbums = new ArrayList<Album>();
- if (albumsXml != null) {
- for (SimpleXML albumXml : albumsXml.getNodes("album")) {
- String id = albumXml.getValue("id", null);
- String parentId = albumXml.getValue("parent", null);
- String title = albumXml.getValue("title", null);
- String description = albumXml.getValue("description", "");
- String albumImageId = albumXml.getValue("album-image", null);
- if ((id == null) || (title == null)) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
- return null;
- }
- Album parent = null;
- if (parentId != null) {
- parent = core.getAlbum(parentId);
- if (parent == null) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
- return null;
- }
- }
- Album album = core.albumBuilder()
- .withId(id)
- .by(sone)
- .build()
- .modify()
- .setTitle(title)
- .setDescription(description)
- .update();
- if (parent != null) {
- parent.addAlbum(album);
- } else {
- topLevelAlbums.add(album);
- }
- SimpleXML imagesXml = albumXml.getNode("images");
- if (imagesXml != null) {
- for (SimpleXML imageXml : imagesXml.getNodes("image")) {
- String imageId = imageXml.getValue("id", null);
- String imageCreationTimeString = imageXml.getValue("creation-time", null);
- String imageKey = imageXml.getValue("key", null);
- String imageTitle = imageXml.getValue("title", null);
- String imageDescription = imageXml.getValue("description", "");
- String imageWidthString = imageXml.getValue("width", null);
- String imageHeightString = imageXml.getValue("height", null);
- if ((imageId == null) || (imageCreationTimeString == null) || (imageKey == null) || (imageTitle == null) || (imageWidthString == null) || (imageHeightString == null)) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid images!", sone));
- return null;
- }
- long creationTime = Numbers.safeParseLong(imageCreationTimeString, 0L);
- int imageWidth = Numbers.safeParseInteger(imageWidthString, 0);
- int imageHeight = Numbers.safeParseInteger(imageHeightString, 0);
- if ((imageWidth < 1) || (imageHeight < 1)) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", sone, imageId, imageWidthString, imageHeightString));
- return null;
- }
- Image image = core.imageBuilder().withId(imageId).build().modify().setSone(sone).setKey(imageKey).setCreationTime(creationTime).update();
- image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
- image = image.modify().setWidth(imageWidth).setHeight(imageHeight).update();
- album.addImage(image);
- }
- }
- album.modify().setAlbumImage(albumImageId).update();
- }
- }
-
- /* process avatar. */
- if (avatarId != null) {
- profile.setAvatar(core.getImage(avatarId, false));
- }
-
- /* okay, apparently everything was parsed correctly. Now import. */
- /* atomic setter operation on the Sone. */
- synchronized (sone) {
- sone.setProfile(profile);
- sone.setPosts(posts);
- sone.setReplies(replies);
- sone.setLikePostIds(likedPostIds);
- sone.setLikeReplyIds(likedReplyIds);
- for (Album album : topLevelAlbums) {
- sone.getRootAlbum().addAlbum(album);
- }
- }
-
- return sone;
- }
-
@Override
public Runnable fetchSoneWithUriAction(final Sone sone) {
return new Runnable() {
projects / Sone.git / blobdiff