X-Git-Url: http://git.nikiroo.be/?p=nikiroo-utils.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Ffanfix%2Flibrary%2FRemoteLibrary.java;h=9fa8c66190174bd1a92536b995d181a16bc8744a;hp=06370320fb94a6709f543e859841d4e176e4f8de;hb=f433d15308b70e23280a65cef8c54002a7a971ce;hpb=468b960ba378ae71230f475d3e97521e133ec019

diff --git a/src/be/nikiroo/fanfix/library/RemoteLibrary.java b/src/be/nikiroo/fanfix/library/RemoteLibrary.java
index 0637032..9fa8c66 100644
--- a/src/be/nikiroo/fanfix/library/RemoteLibrary.java
+++ b/src/be/nikiroo/fanfix/library/RemoteLibrary.java
@@ -1,17 +1,19 @@
 package be.nikiroo.fanfix.library;
 
-import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
+import java.net.URL;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.net.ssl.SSLException;
+
 import be.nikiroo.fanfix.Instance;
 import be.nikiroo.fanfix.data.MetaData;
 import be.nikiroo.fanfix.data.Story;
+import be.nikiroo.utils.Image;
 import be.nikiroo.utils.Progress;
-import be.nikiroo.utils.StringUtils;
 import be.nikiroo.utils.Version;
 import be.nikiroo.utils.serial.server.ConnectActionClientObject;
 
@@ -19,16 +21,77 @@ import be.nikiroo.utils.serial.server.ConnectActionClientObject;
  * This {@link BasicLibrary} will access a remote server to list the available
  * stories, and download the ones you try to load to the local directory
  * specified in the configuration.
+ * <p>
+ * This remote library uses a custom fanfix:// protocol.
  * 
  * @author niki
  */
 public class RemoteLibrary extends BasicLibrary {
+	interface RemoteAction {
+		public void action(ConnectActionClientObject action) throws Exception;
+	}
+
+	class RemoteConnectAction extends ConnectActionClientObject {
+		public RemoteConnectAction() throws IOException {
+			super(host, port, key);
+		}
+
+		@Override
+		public Object send(Object data)
+				throws IOException, NoSuchFieldException, NoSuchMethodException,
+				ClassNotFoundException {
+			Object rep = super.send(data);
+			if (rep instanceof RemoteLibraryException) {
+				RemoteLibraryException remoteEx = (RemoteLibraryException) rep;
+				throw remoteEx.unwrapException();
+			}
+
+			return rep;
+		}
+	}
+
 	private String host;
 	private int port;
-	private final String md5;
+	private final String key;
+	private final String subkey;
+
+	// informative only (server will make the actual checks)
+	private boolean rw;
 
 	/**
 	 * Create a {@link RemoteLibrary} linked to the given server.
+	 * <p>
+	 * Note that the key is structured:
+	 * <tt><b><i>xxx</i></b>(|<b><i>yyy</i></b>|<b>wl</b>)(|<b>rw</b>)</tt>
+	 * <p>
+	 * Note that anything before the first pipe (<tt>|</tt>) character is
+	 * considered to be the encryption key, anything after that character is
+	 * called the subkey (including the other pipe characters and flags!).
+	 * <p>
+	 * This is important because the subkey (including the pipe characters and
+	 * flags) must be present as-is in the server configuration file to be
+	 * allowed.
+	 * <ul>
+	 * <li><b><i>xxx</i></b>: the encryption key used to communicate with the
+	 * server</li>
+	 * <li><b><i>yyy</i></b>: the secondary key</li>
+	 * <li><b>rw</b>: flag to allow read and write access if it is not the
+	 * default on this server</li>
+	 * <li><b>wl</b>: flag to allow access to all the stories (bypassing the
+	 * whitelist if it exists)</li>
+	 * </ul>
+	 * <p>
+	 * Some examples:
+	 * <ul>
+	 * <li><b>my_key</b>: normal connection, will take the default server
+	 * options</li>
+	 * <li><b>my_key|agzyzz|wl</b>: will ask to bypass the white list (if it
+	 * exists)</li>
+	 * <li><b>my_key|agzyzz|rw</b>: will ask read-write access (if the default
+	 * is read-only)</li>
+	 * <li><b>my_key|agzyzz|wl|rw</b>: will ask both read-write access and white
+	 * list bypass</li>
+	 * </ul>
 	 * 
 	 * @param key
 	 *            the key that will allow us to exchange information with the
@@ -39,41 +102,73 @@ public class RemoteLibrary extends BasicLibrary {
 	 *            the port to contact it on
 	 */
 	public RemoteLibrary(String key, String host, int port) {
-		this.md5 = StringUtils.getMd5Hash(key);
+		int index = -1;
+		if (key != null) {
+			index = key.indexOf('|');
+		}
+
+		if (index >= 0) {
+			this.key = key.substring(0, index);
+			this.subkey = key.substring(index + 1);
+		} else {
+			this.key = key;
+			this.subkey = "";
+		}
+
+		if (host.startsWith("fanfix://")) {
+			host = host.substring("fanfix://".length());
+		}
+
 		this.host = host;
 		this.port = port;
 	}
 
 	@Override
 	public String getLibraryName() {
-		return host + ":" + port;
+		return (rw ? "[READ-ONLY] " : "") + "fanfix://" + host + ":" + port;
 	}
 
 	@Override
 	public Status getStatus() {
+		Instance.getInstance().getTraceHandler()
+				.trace("Getting remote lib status...");
+		Status status = getStatusDo();
+		Instance.getInstance().getTraceHandler()
+				.trace("Remote lib status: " + status);
+		return status;
+	}
+
+	private Status getStatusDo() {
 		final Status[] result = new Status[1];
 
 		result[0] = Status.INVALID;
 
-		ConnectActionClientObject action = null;
 		try {
-			action = new ConnectActionClientObject(host, port, true) {
+			new RemoteConnectAction() {
 				@Override
 				public void action(Version serverVersion) throws Exception {
-					Object rep = send(new Object[] { md5, "PING" });
-					if ("PONG".equals(rep)) {
-						result[0] = Status.READY;
+					Object rep = send(new Object[] { subkey, "PING" });
+
+					if ("r/w".equals(rep)) {
+						rw = true;
+						result[0] = Status.READ_WRITE;
+					} else if ("r/o".equals(rep)) {
+						rw = false;
+						result[0] = Status.READ_ONLY;
 					} else {
-						result[0] = Status.UNAUTORIZED;
+						result[0] = Status.UNAUTHORIZED;
 					}
 				}
 
 				@Override
 				protected void onError(Exception e) {
-					result[0] = Status.UNAVAILABLE;
+					if (e instanceof SSLException) {
+						result[0] = Status.UNAUTHORIZED;
+					} else {
+						result[0] = Status.UNAVAILABLE;
+					}
 				}
-			};
-
+			}.connect();
 		} catch (UnknownHostException e) {
 			result[0] = Status.INVALID;
 		} catch (IllegalArgumentException e) {
@@ -82,108 +177,91 @@ public class RemoteLibrary extends BasicLibrary {
 			result[0] = Status.UNAVAILABLE;
 		}
 
-		if (action != null) {
-			try {
-				action.connect();
-			} catch (Exception e) {
-				result[0] = Status.UNAVAILABLE;
-			}
-		}
-
 		return result[0];
 	}
 
 	@Override
-	public BufferedImage getCover(final String luid) {
-		final BufferedImage[] result = new BufferedImage[1];
-
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					Object rep = send(new Object[] { md5, "GET_COVER", luid });
-					result[0] = (BufferedImage) rep;
-				}
+	public Image getCover(final String luid) throws IOException {
+		final Image[] result = new Image[1];
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
-				}
-			}.connect();
-		} catch (Exception e) {
-			Instance.getTraceHandler().error(e);
-		}
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Object rep = action
+						.send(new Object[] { subkey, "GET_COVER", luid });
+				result[0] = (Image) rep;
+			}
+		});
 
 		return result[0];
 	}
 
 	@Override
-	public BufferedImage getSourceCover(final String source) {
-		final BufferedImage[] result = new BufferedImage[1];
+	public Image getCustomSourceCover(final String source) throws IOException {
+		return getCustomCover(source, "SOURCE");
+	}
 
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					Object rep = send(new Object[] { md5, "GET_SOURCE_COVER",
-							source });
-					result[0] = (BufferedImage) rep;
-				}
+	@Override
+	public Image getCustomAuthorCover(final String author) throws IOException {
+		return getCustomCover(author, "AUTHOR");
+	}
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
-				}
-			}.connect();
-		} catch (Exception e) {
-			Instance.getTraceHandler().error(e);
-		}
+	// type: "SOURCE" or "AUTHOR"
+	private Image getCustomCover(final String source, final String type)
+			throws IOException {
+		final Image[] result = new Image[1];
+
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Object rep = action.send(new Object[] { subkey,
+						"GET_CUSTOM_COVER", type, source });
+				result[0] = (Image) rep;
+			}
+		});
 
 		return result[0];
 	}
 
 	@Override
-	public synchronized Story getStory(final String luid, Progress pg) {
+	public synchronized Story getStory(final String luid, Progress pg)
+			throws IOException {
 		final Progress pgF = pg;
 		final Story[] result = new Story[1];
 
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					Progress pg = pgF;
-					if (pg == null) {
-						pg = new Progress();
-					}
-
-					Object rep = send(new Object[] { md5, "GET_STORY", luid });
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Progress pg = pgF;
+				if (pg == null) {
+					pg = new Progress();
+				}
 
-					MetaData meta = null;
-					if (rep instanceof MetaData) {
-						meta = (MetaData) rep;
-						if (meta.getWords() <= Integer.MAX_VALUE) {
-							pg.setMinMax(0, (int) meta.getWords());
-						}
-					}
+				Object rep = action
+						.send(new Object[] { subkey, "GET_STORY", luid });
 
-					List<Object> list = new ArrayList<Object>();
-					for (Object obj = send(null); obj != null; obj = send(null)) {
-						list.add(obj);
-						pg.add(1);
+				MetaData meta = null;
+				if (rep instanceof MetaData) {
+					meta = (MetaData) rep;
+					if (meta.getWords() <= Integer.MAX_VALUE) {
+						pg.setMinMax(0, (int) meta.getWords());
 					}
-
-					result[0] = RemoteLibraryServer.rebuildStory(list);
-					pg.done();
 				}
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
+				List<Object> list = new ArrayList<Object>();
+				for (Object obj = action.send(null); obj != null; obj = action
+						.send(null)) {
+					list.add(obj);
+					pg.add(1);
 				}
-			}.connect();
-		} catch (Exception e) {
-			Instance.getTraceHandler().error(e);
-		}
+
+				result[0] = RemoteLibraryServer.rebuildStory(list);
+				pg.done();
+			}
+		});
 
 		return result[0];
 	}
@@ -191,149 +269,218 @@ public class RemoteLibrary extends BasicLibrary {
 	@Override
 	public synchronized Story save(final Story story, final String luid,
 			Progress pg) throws IOException {
-		final Progress pgF = pg;
 
-		new ConnectActionClientObject(host, port, true) {
+		final String[] luidSaved = new String[1];
+		Progress pgSave = new Progress();
+		Progress pgRefresh = new Progress();
+		if (pg == null) {
+			pg = new Progress();
+		}
+
+		pg.setMinMax(0, 10);
+		pg.addProgress(pgSave, 9);
+		pg.addProgress(pgRefresh, 1);
+
+		final Progress pgF = pgSave;
+
+		connectRemoteAction(new RemoteAction() {
 			@Override
-			public void action(Version serverVersion) throws Exception {
+			public void action(ConnectActionClientObject action)
+					throws Exception {
 				Progress pg = pgF;
-				if (pg == null) {
-					pg = new Progress();
-				}
-
 				if (story.getMeta().getWords() <= Integer.MAX_VALUE) {
 					pg.setMinMax(0, (int) story.getMeta().getWords());
 				}
 
-				send(new Object[] { md5, "SAVE_STORY", luid });
+				action.send(new Object[] { subkey, "SAVE_STORY", luid });
 
 				List<Object> list = RemoteLibraryServer.breakStory(story);
 				for (Object obj : list) {
-					send(obj);
+					action.send(obj);
 					pg.add(1);
 				}
 
-				send(null);
-				pg.done();
-			}
+				luidSaved[0] = (String) action.send(null);
 
-			@Override
-			protected void onError(Exception e) {
-				Instance.getTraceHandler().error(e);
+				pg.done();
 			}
-		}.connect();
+		});
 
 		// because the meta changed:
-		clearCache();
-		story.setMeta(getInfo(luid));
+		MetaData meta = getInfo(luidSaved[0]);
+		if (story.getMeta().getClass() != null) {
+			// If already available locally:
+			meta.setCover(story.getMeta().getCover());
+		} else {
+			// If required:
+			meta.setCover(getCover(meta.getLuid()));
+		}
+		story.setMeta(meta);
+
+		pg.done();
 
 		return story;
 	}
 
 	@Override
 	public synchronized void delete(final String luid) throws IOException {
-		new ConnectActionClientObject(host, port, true) {
+		connectRemoteAction(new RemoteAction() {
 			@Override
-			public void action(Version serverVersion) throws Exception {
-				send(new Object[] { md5, "DELETE_STORY", luid });
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				action.send(new Object[] { subkey, "DELETE_STORY", luid });
 			}
+		});
+	}
 
+	@Override
+	public void setSourceCover(final String source, final String luid)
+			throws IOException {
+		setCover(source, luid, "SOURCE");
+	}
+
+	@Override
+	public void setAuthorCover(final String author, final String luid)
+			throws IOException {
+		setCover(author, luid, "AUTHOR");
+	}
+
+	// type = "SOURCE" | "AUTHOR"
+	private void setCover(final String value, final String luid,
+			final String type) throws IOException {
+		connectRemoteAction(new RemoteAction() {
 			@Override
-			protected void onError(Exception e) {
-				Instance.getTraceHandler().error(e);
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				action.send(new Object[] { subkey, "SET_COVER", type, value,
+						luid });
 			}
-		}.connect();
+		});
 	}
 
 	@Override
-	public void setSourceCover(final String source, final String luid) {
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					send(new Object[] { md5, "SET_SOURCE_COVER", source, luid });
-				}
+	// Could work (more slowly) without it
+	public MetaData imprt(final URL url, Progress pg) throws IOException {
+		// Import the file locally if it is actually a file
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
-				}
-			}.connect();
-		} catch (IOException e) {
-			Instance.getTraceHandler().error(e);
+		if (url == null || url.getProtocol().equalsIgnoreCase("file")) {
+			return super.imprt(url, pg);
 		}
-	}
 
-	@Override
-	public synchronized File getFile(final String luid, Progress pg) {
-		throw new java.lang.InternalError(
-				"Operation not supportorted on remote Libraries");
-	}
+		// Import it remotely if it is an URL
 
-	/**
-	 * Stop the server.
-	 */
-	public void exit() {
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					send(new Object[] { md5, "EXIT" });
-				}
+		if (pg == null) {
+			pg = new Progress();
+		}
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
+		final Progress pgF = pg;
+		final String[] luid = new String[1];
+
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Progress pg = pgF;
+
+				Object rep = action.send(
+						new Object[] { subkey, "IMPORT", url.toString() });
+
+				while (true) {
+					if (!RemoteLibraryServer.updateProgress(pg, rep)) {
+						break;
+					}
+
+					rep = action.send(null);
 				}
-			}.connect();
-		} catch (IOException e) {
-			Instance.getTraceHandler().error(e);
+
+				pg.done();
+				luid[0] = (String) rep;
+			}
+		});
+
+		if (luid[0] == null) {
+			throw new IOException("Remote failure");
 		}
+
+		pg.done();
+		return getInfo(luid[0]);
 	}
 
 	@Override
-	protected List<MetaData> getMetas(Progress pg) {
-		final Progress pgF = pg;
-		final List<MetaData> metas = new ArrayList<MetaData>();
-
-		try {
-			new ConnectActionClientObject(host, port, true) {
-				@Override
-				public void action(Version serverVersion) throws Exception {
-					Progress pg = pgF;
-					if (pg == null) {
-						pg = new Progress();
-					}
+	// Could work (more slowly) without it
+	protected synchronized void changeSTA(final String luid,
+			final String newSource, final String newTitle,
+			final String newAuthor, Progress pg) throws IOException {
 
-					Object rep = send(new Object[] { md5, "GET_METADATA", "*" });
+		final Progress pgF = pg == null ? new Progress() : pg;
 
-					while (true) {
-						if (!RemoteLibraryServer.updateProgress(pg, rep)) {
-							break;
-						}
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Progress pg = pgF;
 
-						rep = send(null);
+				Object rep = action.send(new Object[] { subkey, "CHANGE_STA",
+						luid, newSource, newTitle, newAuthor });
+				while (true) {
+					if (!RemoteLibraryServer.updateProgress(pg, rep)) {
+						break;
 					}
 
-					for (MetaData meta : (MetaData[]) rep) {
-						metas.add(meta);
-					}
+					rep = action.send(null);
 				}
+			}
+		});
+	}
 
-				@Override
-				protected void onError(Exception e) {
-					Instance.getTraceHandler().error(e);
-				}
-			}.connect();
-		} catch (Exception e) {
-			Instance.getTraceHandler().error(e);
+	@Override
+	public File getFile(final String luid, Progress pg) {
+		throw new java.lang.InternalError(
+				"Operation not supportorted on remote Libraries");
+	}
+
+	/**
+	 * Stop the server.
+	 * 
+	 * @throws IOException
+	 *             in case of I/O errors
+	 * @throws SSLException
+	 *             when the key was not accepted
+	 */
+	public void exit() throws IOException, SSLException {
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				action.send(new Object[] { subkey, "EXIT" });
+				Thread.sleep(100);
+			}
+		});
+	}
+
+	@Override
+	public MetaData getInfo(String luid) throws IOException {
+		List<MetaData> metas = getMetasList(luid, null);
+		if (!metas.isEmpty()) {
+			return metas.get(0);
 		}
 
-		return metas;
+		return null;
+	}
+
+	@Override
+	protected List<MetaData> getMetas(Progress pg) throws IOException {
+		return getMetasList("*", pg);
+	}
+
+	@Override
+	protected void updateInfo(MetaData meta) {
+		// Will be taken care of directly server side
 	}
 
 	@Override
-	protected void clearCache() {
+	protected void invalidateInfo(String luid) {
+		// Will be taken care of directly server side
 	}
 
 	// The following methods are only used by Save and Delete in BasicLibrary:
@@ -352,4 +499,92 @@ public class RemoteLibrary extends BasicLibrary {
 	protected Story doSave(Story story, Progress pg) throws IOException {
 		throw new java.lang.InternalError("Should not have been called");
 	}
+
+	//
+
+	/**
+	 * Return the meta of the given story or a list of all known metas if the
+	 * luid is "*".
+	 * <p>
+	 * Will not get the covers.
+	 * 
+	 * @param luid
+	 *            the luid of the story or *
+	 * @param pg
+	 *            the optional progress
+	 * 
+	 * @return the metas
+	 * 
+	 * @throws IOException
+	 *             in case of I/O error or bad key (SSLException)
+	 */
+	private List<MetaData> getMetasList(final String luid, Progress pg)
+			throws IOException {
+		final Progress pgF = pg;
+		final List<MetaData> metas = new ArrayList<MetaData>();
+
+		connectRemoteAction(new RemoteAction() {
+			@Override
+			public void action(ConnectActionClientObject action)
+					throws Exception {
+				Progress pg = pgF;
+				if (pg == null) {
+					pg = new Progress();
+				}
+
+				Object rep = action
+						.send(new Object[] { subkey, "GET_METADATA", luid });
+
+				while (true) {
+					if (!RemoteLibraryServer.updateProgress(pg, rep)) {
+						break;
+					}
+
+					rep = action.send(null);
+				}
+
+				if (rep instanceof MetaData[]) {
+					for (MetaData meta : (MetaData[]) rep) {
+						metas.add(meta);
+					}
+				} else if (rep != null) {
+					metas.add((MetaData) rep);
+				}
+			}
+		});
+
+		return metas;
+	}
+
+	private void connectRemoteAction(final RemoteAction runAction)
+			throws IOException {
+		final IOException[] err = new IOException[1];
+		try {
+			final RemoteConnectAction[] array = new RemoteConnectAction[1];
+			RemoteConnectAction ra = new RemoteConnectAction() {
+				@Override
+				public void action(Version serverVersion) throws Exception {
+					runAction.action(array[0]);
+				}
+
+				@Override
+				protected void onError(Exception e) {
+					if (!(e instanceof IOException)) {
+						Instance.getInstance().getTraceHandler().error(e);
+						return;
+					}
+
+					err[0] = (IOException) e;
+				}
+			};
+			array[0] = ra;
+			ra.connect();
+		} catch (Exception e) {
+			err[0] = (IOException) e;
+		}
+
+		if (err[0] != null) {
+			throw err[0];
+		}
+	}
 }