X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FSoneDownloader.java;h=a406f1b4ff44417cb35e821861a984fc2e5bc84b;hb=4d49ba7b5f6ebed20a91678ebdcda1388d470dc0;hp=b085ade983b5ea13c96aab1309092a2191d03d03;hpb=f2a93c6c489570578a564fa3f4fa262d21b171a2;p=Sone.git diff --git a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java index b085ade..a406f1b 100644 --- a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java +++ b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java @@ -1,5 +1,5 @@ /* - * Sone - SoneDownloader.java - Copyright © 2010 David Roden + * Sone - SoneDownloader.java - Copyright © 2010–2013 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 @@ -17,32 +17,21 @@ package net.pterodactylus.sone.core; +import static java.util.logging.Level.FINER; +import static net.pterodactylus.sone.data.Sone.TO_FREENET_URI; + 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.PostReply; -import net.pterodactylus.sone.data.Profile; +import net.pterodactylus.sone.core.FreenetInterface.Fetched; import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.util.collection.Pair; +import net.pterodactylus.sone.data.Sone.SoneStatus; 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 org.w3c.dom.Document; import freenet.client.FetchResult; import freenet.keys.FreenetURI; @@ -121,7 +110,7 @@ public class SoneDownloader extends AbstractService { * The Sone to fetch */ public void fetchSone(Sone sone) { - fetchSone(sone, sone.getRequestUri().sskForUSK()); + fetchSone(sone, TO_FREENET_URI.apply(sone).sskForUSK()); } /** @@ -151,26 +140,31 @@ public class SoneDownloader extends AbstractService { * 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 }); + logger.log(Level.FINE, String.format("Starting fetch for Sone “%s” from %s…", sone, soneUri)); FreenetURI requestUri = soneUri.setMetaString(new String[] { "sone.xml" }); - core.setSoneStatus(sone, SoneStatus.downloading); + sone.setStatus(SoneStatus.downloading); try { - Pair fetchResults = freenetInterface.fetchUri(requestUri); + Fetched fetchResults = freenetInterface.fetchUri(requestUri); if (fetchResults == null) { /* TODO - mark Sone as bad. */ return null; } - logger.log(Level.FINEST, "Got %d bytes back.", fetchResults.getRight().size()); - Sone parsedSone = parseSone(sone, fetchResults.getRight(), fetchResults.getLeft()); + if (shouldStop()) { + logger.log(FINER, "Sone was stopped, won’t process download."); + return null; + } + logger.log(Level.FINEST, String.format("Got %d bytes back.", fetchResults.getFetchResult().size())); + Sone parsedSone = parseSone(sone, fetchResults.getFetchResult(), fetchResults.getFreenetUri()); if (parsedSone != null) { if (!fetchOnly) { + parsedSone.setStatus((parsedSone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); core.updateSone(parsedSone); addSone(parsedSone); } } return parsedSone; } finally { - core.setSoneStatus(sone, (sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); + sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); } } @@ -186,23 +180,18 @@ public class SoneDownloader extends AbstractService { * @return The parsed Sone, or {@code null} if the Sone could not be parsed */ public Sone parseSone(Sone originalSone, FetchResult fetchResult, FreenetURI requestUri) { - logger.log(Level.FINEST, "Parsing FetchResult (%d bytes, %s) for %s…", new Object[] { fetchResult.size(), fetchResult.getMimeType(), originalSone }); + logger.log(Level.FINEST, String.format("Parsing FetchResult (%d bytes, %s) for %s…", fetchResult.size(), fetchResult.getMimeType(), originalSone)); Bucket soneBucket = fetchResult.asBucket(); InputStream soneInputStream = null; try { soneInputStream = soneBucket.getInputStream(); Sone parsedSone = 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])); - } + parsedSone.modify().setLatestEdition(requestUri.getEdition()).update(); } return parsedSone; } catch (Exception e1) { - logger.log(Level.WARNING, "Could not parse Sone from " + requestUri + "!", e1); + logger.log(Level.WARNING, String.format("Could not parse Sone from %s!", requestUri), e1); } finally { Closer.close(soneInputStream); soneBucket.free(); @@ -219,303 +208,15 @@ public class SoneDownloader extends AbstractService { * @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 { - /* 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, "Could not parse XML for Sone %s!", new Object[] { originalSone }); - return null; - } - - Sone sone = new Sone(originalSone.getId()).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, "XML for Sone " + sone + " can not be parsed!", 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, "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. */ - logger.log(Level.WARNING, "Downloaded time for Sone %s was null!", new Object[] { sone }); - return null; - } - try { - sone.setTime(Long.parseLong(soneTime)); - } catch (NumberFormatException nfe1) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s with invalid time: %s", new Object[] { 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, "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, "Downloaded Sone " + sone + " has invalid request URI: " + soneRequestUri, mue1); - return null; - } - } - - String soneInsertUri = soneXml.getValue("insert-uri", null); - if ((soneInsertUri != null) && (sone.getInsertUri() == null)) { - try { - sone.setInsertUri(new FreenetURI(soneInsertUri)); - 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); - return null; - } - } - - SimpleXML profileXml = soneXml.getNode("profile"); - if (profileXml == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s has no profile!", new Object[] { 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().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", ""); - if (fieldName == 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 posts = new HashSet(); - if (postsXml == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s has no posts!", new Object[] { 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, "Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", new Object[] { sone, postId, postTime, postText }); - return null; - } - try { - 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 }); - return null; - } - } - } - - /* parse replies. */ - SimpleXML repliesXml = soneXml.getNode("replies"); - Set replies = new HashSet(); - if (repliesXml == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s has no replies!", new Object[] { 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, "Downloaded reply for Sone %s with missing data! ID: %s, Post: %s, Time: %s, Text: %s", new Object[] { sone, replyId, replyPostId, replyTime, replyText }); - return null; - } - try { - replies.add(core.getReply(replyId).setSone(sone).setPost(core.getPost(replyPostId)).setTime(Long.parseLong(replyTime)).setText(replyText)); - } catch (NumberFormatException nfe1) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded reply for Sone %s with invalid time: %s", new Object[] { sone, replyTime }); - return null; - } - } - } - - /* parse liked post IDs. */ - SimpleXML likePostIdsXml = soneXml.getNode("post-likes"); - Set likedPostIds = new HashSet(); - if (likePostIdsXml == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s has no post likes!", new Object[] { 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 likedReplyIds = new HashSet(); - if (likeReplyIdsXml == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded Sone %s has no reply likes!", new Object[] { sone }); - } else { - for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) { - String replyId = likedReplyIdXml.getValue(); - likedReplyIds.add(replyId); - } - } - - /* parse albums. */ - SimpleXML albumsXml = soneXml.getNode("albums"); - List topLevelAlbums = new ArrayList(); - 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, "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); - 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); - } - } - album.setAlbumImage(albumImageId); - } - } - - /* 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); - sone.setAlbums(topLevelAlbums); - } - - return sone; + public Sone parseSone(Sone originalSone, InputStream soneInputStream) { + return new SoneParser().parseSone(core.getDatabase(), originalSone, soneInputStream); } // // SERVICE METHODS // - /** - * {@inheritDoc} - */ @Override protected void serviceStop() { for (Sone sone : sones) {