package net.pterodactylus.sone.core;
+import static com.google.common.base.Optional.absent;
+import static com.google.common.base.Optional.fromNullable;
+import static com.google.common.base.Optional.of;
+
import java.io.InputStream;
-import java.net.MalformedURLException;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import net.pterodactylus.sone.data.Profile;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.data.impl.DefaultSone;
+import net.pterodactylus.sone.database.Database;
import net.pterodactylus.sone.database.ImageBuilder.ImageCreated;
import net.pterodactylus.sone.database.PostBuilder;
import net.pterodactylus.sone.database.PostBuilder.PostCreated;
import net.pterodactylus.sone.database.PostReplyBuilder;
import net.pterodactylus.sone.database.PostReplyBuilder.PostReplyCreated;
-import net.pterodactylus.sone.database.memory.MemoryDatabase;
import net.pterodactylus.util.number.Numbers;
import net.pterodactylus.util.xml.SimpleXML;
import net.pterodactylus.util.xml.XML;
-import freenet.keys.FreenetURI;
-
import com.google.common.base.Optional;
import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import com.google.common.primitives.Ints;
import org.w3c.dom.Document;
/**
private static final Logger logger = Logger.getLogger(SoneParser.class.getName());
private static final int MAX_PROTOCOL_VERSION = 0;
- private final Core core;
-
- public SoneParser(Core core) {
- this.core = core;
- }
/**
* Parses a Sone from the given input stream and creates a new Sone from the
* @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
*/
- public Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
+ public Sone parseSone(Database database, Sone originalSone, InputStream soneInputStream) {
/* TODO - impose a size limit? */
Document document;
}
if (document == null) {
/* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
- return null;
- }
-
- 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!", originalSone), npe1);
- return null;
- }
-
- SimpleXML clientXml = soneXml.getNode("client");
- Client soneClient = originalSone.getClient();
- 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!", originalSone));
- return null;
- }
- soneClient = new Client(clientName, clientVersion);
+ logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone.getId()));
+ throw new InvalidXml();
}
- Sone sone = new DefaultSone(new MemoryDatabase(null), originalSone.getId(), originalSone.isLocal(), soneClient);
-
- 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;
- }
+ SimpleXML soneXml = SimpleXML.fromDocument(document);
+ Optional<Client> parsedClient = parseClient(originalSone, soneXml);
+ Sone sone = new DefaultSone(database, originalSone.getId(), originalSone.isLocal(), parsedClient.or(originalSone.getClient()));
- if (protocolVersion < 0) {
- logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
- return null;
- }
+ verifyProtocolVersion(soneXml);
- /* 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;
- }
+ parseTime(soneXml, sone);
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;
+ throw new MalformedXml();
+ }
+
+ /* parse albums. */
+ SimpleXML albumsXml = soneXml.getNode("albums");
+ Map<String, Album> albums = Maps.newHashMap();
+ Set<String> images = Sets.newHashSet();
+ 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) || (description == null)) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
+ throw new MalformedXml();
+ }
+ Album parent = sone.getRootAlbum();
+ if (parentId != null) {
+ parent = albums.get(parentId);
+ if (parent == null) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
+ throw new InvalidParentAlbum();
+ }
+ }
+ Album album = parent.newAlbumBuilder().withId(id).build().modify().setTitle(title).setDescription(description).update();
+ albums.put(album.getId(), 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));
+ throw new MalformedXml();
+ }
+ 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));
+ throw new MalformedDimension();
+ }
+ Image image = album.newImageBuilder().withId(imageId).at(imageKey).created(creationTime).sized(imageWidth, imageHeight).build(Optional.<ImageCreated>absent());
+ image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
+ images.add(imageId);
+ }
+ }
+ album.modify().setAlbumImage(albumImageId).update();
+ }
}
/* parse profile. */
Integer profileBirthYear = Numbers.safeParseInteger(profileXml.getValue("birth-year", null));
Profile profile = new Profile(sone).modify().setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName).update();
profile.modify().setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear).update();
+
/* avatar is processed after images are loaded. */
String avatarId = profileXml.getValue("avatar", null);
+ if ((avatarId != null) && !images.contains(avatarId)) {
+ throw new InvalidAvatarId();
+ }
+ profile.setAvatar(fromNullable(avatarId));
/* parse profile fields. */
SimpleXML profileFieldsXml = profileXml.getNode("fields");
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;
+ throw new MalformedXml();
}
try {
- profile.addField(fieldName).setValue(fieldValue);
+ profile.setField(profile.addField(fieldName), fieldValue);
} catch (IllegalArgumentException iae1) {
logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
- return null;
+ throw new DuplicateField();
}
}
}
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;
+ throw new MalformedXml();
}
try {
PostBuilder postBuilder = sone.newPostBuilder();
/* TODO - parse time correctly. */
postBuilder.withId(postId).withTime(Long.parseLong(postTime)).withText(postText);
if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
- postBuilder.to(Optional.of(postRecipientId));
+ postBuilder.to(of(postRecipientId));
}
posts.add(postBuilder.build(Optional.<PostCreated>absent()));
} 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;
+ throw new MalformedTime();
}
}
}
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;
+ throw new MalformedXml();
}
try {
/* TODO - parse time correctly. */
} 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;
+ throw new MalformedTime();
}
}
}
}
}
- /* parse albums. */
- SimpleXML albumsXml = soneXml.getNode("albums");
- Map<String, Album> albums = Maps.newHashMap();
- 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) || (description == null)) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
- return null;
- }
- Album parent = sone.getRootAlbum();
- if (parentId != null) {
- parent = albums.get(parentId);
- if (parent == null) {
- logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
- return null;
- }
- }
- Album album = parent.newAlbumBuilder().withId(id).build().modify().setTitle(title).setDescription(description).update();
- albums.put(album.getId(), 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 = album.newImageBuilder().withId(imageId).at(imageKey).created(creationTime).sized(imageWidth, imageHeight).build(Optional.<ImageCreated>absent());
- image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
- }
- }
- album.modify().setAlbumImage(albumImageId).update();
- }
- }
-
- /* process avatar. */
- if (avatarId != null) {
- profile.setAvatar(core.getImage(avatarId).orNull());
- }
-
/* okay, apparently everything was parsed correctly. Now import. */
sone.setProfile(profile);
sone.setPosts(posts);
return sone;
}
+
+ private void parseTime(SimpleXML soneXml, Sone sone) {
+ 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));
+ throw new MalformedXml();
+ }
+ 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));
+ throw new MalformedTime();
+ }
+ }
+
+ private void verifyProtocolVersion(SimpleXML soneXml) {
+ Optional<Integer> protocolVersion = parseProtocolVersion(soneXml);
+ if (protocolVersion.isPresent()) {
+ if (protocolVersion.get() < 0) {
+ logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion.get()));
+ throw new InvalidProtocolVersion();
+ }
+ if (protocolVersion.get() > MAX_PROTOCOL_VERSION) {
+ logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion.get()));
+ throw new SoneTooNew();
+ }
+ }
+ }
+
+ private Optional<Integer> parseProtocolVersion(SimpleXML soneXml) {
+ String soneProtocolVersion = soneXml.getValue("protocol-version", null);
+ if (soneProtocolVersion == null) {
+ logger.log(Level.INFO, "No protocol version found, assuming 0.");
+ return absent();
+ }
+ return fromNullable(Ints.tryParse(soneProtocolVersion));
+ }
+
+ private Optional<Client> parseClient(Sone sone, SimpleXML soneXml) {
+ SimpleXML clientXml = soneXml.getNode("client");
+ if (clientXml == null) {
+ return absent();
+ }
+ 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 absent();
+ }
+ return of(new Client(clientName, clientVersion));
+ }
+
+ public static class InvalidXml extends RuntimeException {
+
+ }
+
+ public static class InvalidProtocolVersion extends RuntimeException {
+
+ }
+
+ public static class SoneTooNew extends RuntimeException {
+
+ }
+
+ public static class MalformedXml extends RuntimeException {
+
+ }
+
+ public static class InvalidAvatarId extends RuntimeException {
+
+ }
+
+ public static class DuplicateField extends RuntimeException {
+
+ }
+
+ public static class MalformedTime extends RuntimeException {
+
+ }
+
+ public static class InvalidParentAlbum extends RuntimeException {
+
+ }
+
+ public static class MalformedDimension extends RuntimeException {
+
+ }
+
}
projects / Sone.git / blobdiff