package net.pterodactylus.sone.core;
-import java.io.IOException;
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.logging.Level;
import java.util.logging.Logger;
import net.pterodactylus.sone.core.Core.SoneStatus;
+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.Profile;
import net.pterodactylus.sone.data.Reply;
/** The logger. */
private static final Logger logger = Logging.getLogger(SoneDownloader.class);
+ /** The maximum protocol version. */
+ private static final int MAX_PROTOCOL_VERSION = 0;
+
/** The core. */
private final Core core;
* The Sone to add
*/
public void addSone(Sone sone) {
- if (sones.add(sone)) {
- freenetInterface.registerUsk(sone, this);
+ if (!sones.add(sone)) {
+ freenetInterface.unregisterUsk(sone);
}
+ freenetInterface.registerUsk(sone, this);
}
/**
* The Sone to fetch
*/
public void fetchSone(Sone sone) {
- if (core.getSoneStatus(sone) == SoneStatus.downloading) {
- return;
- }
- logger.log(Level.FINE, "Starting fetch for Sone “%s” from %s…", new Object[] { sone, sone.getRequestUri().setMetaString(new String[] { "sone.xml" }) });
- FreenetURI requestUri = sone.getRequestUri().setMetaString(new String[] { "sone.xml" });
+ fetchSone(sone, sone.getRequestUri().sskForUSK());
+ }
+
+ /**
+ * Fetches the updated Sone. This method can be used to fetch a Sone from a
+ * specific URI.
+ *
+ * @param sone
+ * The Sone to fetch
+ * @param soneUri
+ * The URI to fetch the Sone from
+ */
+ public void fetchSone(Sone sone, FreenetURI soneUri) {
+ fetchSone(sone, soneUri, false);
+ }
+
+ /**
+ * Fetches the Sone from the given URI.
+ *
+ * @param sone
+ * The Sone to fetch
+ * @param soneUri
+ * The URI of the Sone to fetch
+ * @param fetchOnly
+ * {@code true} to only fetch and parse the Sone, {@code false}
+ * to {@link Core#updateSone(Sone) update} it in the core
+ * @return The downloaded Sone, or {@code null} if the Sone could not be
+ * downloaded
+ */
+ public Sone fetchSone(Sone sone, FreenetURI soneUri, boolean fetchOnly) {
+ logger.log(Level.FINE, "Starting fetch for Sone “%s” from %s…", new Object[] { sone, soneUri });
+ FreenetURI requestUri = soneUri.setMetaString(new String[] { "sone.xml" });
core.setSoneStatus(sone, SoneStatus.downloading);
try {
Pair<FreenetURI, FetchResult> fetchResults = freenetInterface.fetchUri(requestUri);
if (fetchResults == null) {
/* TODO - mark Sone as bad. */
- return;
+ return null;
}
logger.log(Level.FINEST, "Got %d bytes back.", fetchResults.getRight().size());
Sone parsedSone = parseSone(sone, fetchResults.getRight(), fetchResults.getLeft());
if (parsedSone != null) {
- core.updateSone(parsedSone);
+ if (!fetchOnly) {
+ core.updateSone(parsedSone);
+ addSone(parsedSone);
+ }
}
+ return parsedSone;
} finally {
core.setSoneStatus(sone, (sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
}
soneInputStream = soneBucket.getInputStream();
Sone parsedSone = parseSone(originalSone, soneInputStream);
if (parsedSone != null) {
- parsedSone.setRequestUri(requestUri.setMetaString(new String[0]));
+ 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 (IOException ioe1) {
- logger.log(Level.WARNING, "Could not parse Sone from " + requestUri + "!", ioe1);
+ } catch (Exception e1) {
+ logger.log(Level.WARNING, "Could not parse Sone from " + requestUri + "!", e1);
} finally {
Closer.close(soneInputStream);
soneBucket.free();
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, "Invalid protocol version: " + protocolVersion + "! Not parsing Sone.");
+ return null;
+ }
+
+ /* check for valid versions. */
+ if (protocolVersion > MAX_PROTOCOL_VERSION) {
+ logger.log(Level.WARNING, "Unknown protocol version: " + protocolVersion + "! Not parsing Sone.");
+ return null;
+ }
+
String soneTime = soneXml.getValue("time", null);
if (soneTime == null) {
/* TODO - mark Sone as bad. */
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, "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 {
if ((soneInsertUri != null) && (sone.getInsertUri() == null)) {
try {
sone.setInsertUri(new FreenetURI(soneInsertUri));
- sone.setLatestEdition(Math.max(sone.getRequestUri().getSuggestedEdition(), sone.getInsertUri().getSuggestedEdition()));
+ sone.setLatestEdition(Math.max(sone.getRequestUri().getEdition(), sone.getInsertUri().getEdition()));
} catch (MalformedURLException mue1) {
/* TODO - mark Sone as bad. */
logger.log(Level.WARNING, "Downloaded Sone " + sone + " has invalid insert URI: " + soneInsertUri, mue1);
Profile profile = new Profile().setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
+ /* 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", null);
+ if ((fieldName == null) || (fieldValue == null)) {
+ logger.log(Level.WARNING, "Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", new Object[] { sone, fieldName, fieldValue });
+ return null;
+ }
+ try {
+ profile.addField(fieldName).setValue(fieldValue);
+ } catch (IllegalArgumentException iae1) {
+ logger.log(Level.WARNING, "Duplicate field: " + fieldName, iae1);
+ return null;
+ }
+ }
+ }
+
/* parse posts. */
SimpleXML postsXml = soneXml.getNode("posts");
Set<Post> posts = new HashSet<Post>();
} 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)) {
return null;
}
try {
- posts.add(core.getPost(postId).setSone(sone).setTime(Long.parseLong(postTime)).setText(postText));
+ Post post = core.getPost(postId).setSone(sone).setTime(Long.parseLong(postTime)).setText(postText);
+ if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
+ post.setRecipient(core.getSone(postRecipientId));
+ }
+ posts.add(post);
} catch (NumberFormatException nfe1) {
/* TODO - mark Sone as bad. */
logger.log(Level.WARNING, "Downloaded post for Sone %s with invalid time: %s", new Object[] { sone, postTime });
}
}
+ /* 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", null);
+ String albumImageId = albumXml.getValue("album-image", null);
+ if ((id == null) || (title == null) || (description == null)) {
+ logger.log(Level.WARNING, "Downloaded Sone %s contains invalid album!", new Object[] { sone });
+ return null;
+ }
+ Album parent = null;
+ if (parentId != null) {
+ parent = core.getAlbum(parentId, false);
+ if (parent == null) {
+ logger.log(Level.WARNING, "Downloaded Sone %s has album with invalid parent!", new Object[] { sone });
+ return null;
+ }
+ }
+ Album album = core.getAlbum(id).setSone(sone).setTitle(title).setDescription(description).setAlbumImage(albumImageId);
+ 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, "Downloaded Sone %s contains invalid images!", new Object[] { 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, "Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", new Object[] { sone, imageId, imageWidthString, imageHeightString });
+ return null;
+ }
+ Image image = core.getImage(imageId).setSone(sone).setKey(imageKey).setCreationTime(creationTime);
+ image.setTitle(imageTitle).setDescription(imageDescription);
+ image.setWidth(imageWidth).setHeight(imageHeight);
+ album.addImage(image);
+ }
+ }
+ }
+ }
+
/* okay, apparently everything was parsed correctly. Now import. */
/* atomic setter operation on the Sone. */
synchronized (sone) {
sone.setPosts(posts);
sone.setReplies(replies);
sone.setLikePostIds(likedPostIds);
- sone.setModificationCounter(0);
+ sone.setLikeReplyIds(likedReplyIds);
+ sone.setAlbums(topLevelAlbums);
}
return sone;