X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Ffanfix%2Flibrary%2FRemoteLibraryServer.java;h=d62b41b0283e5b2fe49abe2a47059e98ce8e6bca;hb=ea734ab478afa830550dd63800e855618a4cab4d;hp=b95c50f84f490134a12a8d8592b599a429b99d76;hpb=3bbc86a58d68069c6eb95ec17b02daa4ca75ec7f;p=fanfix.git

diff --git a/src/be/nikiroo/fanfix/library/RemoteLibraryServer.java b/src/be/nikiroo/fanfix/library/RemoteLibraryServer.java
index b95c50f..d62b41b 100644
--- a/src/be/nikiroo/fanfix/library/RemoteLibraryServer.java
+++ b/src/be/nikiroo/fanfix/library/RemoteLibraryServer.java
@@ -1,8 +1,9 @@
 package be.nikiroo.fanfix.library;
 
 import java.io.IOException;
-import java.security.InvalidParameterException;
+import java.net.URL;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 import be.nikiroo.fanfix.Instance;
@@ -12,32 +13,47 @@ import be.nikiroo.fanfix.data.Paragraph;
 import be.nikiroo.fanfix.data.Story;
 import be.nikiroo.utils.Progress;
 import be.nikiroo.utils.Progress.ProgressListener;
+import be.nikiroo.utils.StringUtils;
 import be.nikiroo.utils.Version;
 import be.nikiroo.utils.serial.server.ConnectActionServerObject;
 import be.nikiroo.utils.serial.server.ServerObject;
 
 /**
- * Create a new remote server that will listen for order on the given port.
+ * Create a new remote server that will listen for orders on the given port.
  * <p>
- * The available commands are given as arrays of objects (first item is the key,
- * second is the command, the rest are the arguments).
+ * The available commands are given as arrays of objects (first item is the
+ * command, the rest are the arguments).
  * <p>
- * The key is always a String, the commands are also Strings; the parameters
- * vary depending upon the command.
+ * All commands, including PING, will first return a random value to you that
+ * you must hash with your key and return before processing the rest; if the
+ * value is OK, it will return "true", if not, it will return NULL and stop the
+ * connection.
+ * <p>
+ * BTW: this system <b>is by no means secure</b>. It is just slightly
+ * obfuscated, and operate on clear text (because Google decided not to support
+ * anonymous SSL exchanges on Android, and the main use case for this server is
+ * Android).
  * <ul>
- * <li>[key] PING: will return PONG if the key is accepted</li>
- * <li>[key] GET_METADATA *: will return the metadata of all the stories in the
- * library</li>
- * <li>[key] GET_STORY [luid]: will return the given story if it exists (or NULL
- * if not)</li>
- * <li>[key] SAVE_STORY [luid]: save the story (that must be sent just after the
- * command) with the given LUID</li>
- * <li>[key] DELETE_STORY [luid]: delete the story of LUID luid</li>
- * <li>[key] GET_COVER [luid]: return the cover of the story</li>
- * <li>[key] GET_SOURCE_COVER [source]: return the cover for this source</li>
- * <li>[key] SET_SOURCE_COVER [source], [luid]: set the default cover for the
- * given source to the cover of the story denoted by luid</li>
- * <li>[key] EXIT: stop the server</li>
+ * <li>PING: will return PONG if the key is accepted</li>
+ * <li>GET_METADATA *: will return the metadata of all the stories in the
+ * library (array)</li> *
+ * <li>GET_METADATA [luid]: will return the metadata of the story of LUID
+ * luid</li>
+ * <li>GET_STORY [luid]: will return the given story if it exists (or NULL if
+ * not)</li>
+ * <li>SAVE_STORY [luid]: save the story (that must be sent just after the
+ * command) with the given LUID, then return the LUID</li>
+ * <li>IMPORT [url]: save the story found at the given URL, then return the
+ * LUID</li>
+ * <li>DELETE_STORY [luid]: delete the story of LUID luid</li>
+ * <li>GET_COVER [luid]: return the cover of the story</li>
+ * <li>GET_CUSTOM_COVER ["SOURCE"|"AUTHOR"] [source]: return the cover for this
+ * source/author</li>
+ * <li>SET_COVER ["SOURCE"|"AUTHOR"] [value] [luid]: set the default cover for
+ * the given source/author to the cover of the story denoted by luid</li>
+ * <li>CHANGE_SOURCE [luid] [new source]: change the source of the story of LUID
+ * luid</li>
+ * <li>EXIT: stop the server</li>
  * </ul>
  * 
  * @author niki
@@ -58,7 +74,7 @@ public class RemoteLibraryServer extends ServerObject {
 	 *             in case of I/O error
 	 */
 	public RemoteLibraryServer(String key, int port) throws IOException {
-		super("Fanfix remote library", port, true);
+		super("Fanfix remote library", port, false);
 		this.key = key;
 
 		setTraceHandler(Instance.getTraceHandler());
@@ -67,52 +83,92 @@ public class RemoteLibraryServer extends ServerObject {
 	@Override
 	protected Object onRequest(ConnectActionServerObject action,
 			Version clientVersion, Object data) throws Exception {
-		String key = "";
+		long start = new Date().getTime();
+
 		String command = "";
 		Object[] args = new Object[0];
 		if (data instanceof Object[]) {
 			Object[] dataArray = (Object[]) data;
 			if (dataArray.length >= 2) {
-				args = new Object[dataArray.length - 2];
-				for (int i = 2; i < dataArray.length; i++) {
-					args[i - 2] = dataArray[i];
-				}
+				command = "" + dataArray[0];
 
-				key = "" + dataArray[0];
-				command = "" + dataArray[1];
+				args = new Object[dataArray.length - 1];
+				for (int i = 1; i < dataArray.length; i++) {
+					args[i - 1] = dataArray[i];
+				}
 			}
 		}
 
-		String trace = "[" + command + "] ";
+		String trace = "[ " + command + "] ";
 		for (Object arg : args) {
 			trace += arg + " ";
 		}
 		getTraceHandler().trace(trace);
 
-		if (!key.equals(this.key)) {
+		// Authentication:
+		String random = StringUtils.getMd5Hash(Double.toString(Math.random()));
+		action.send(random);
+		String answer = "";
+		try {
+			answer += action.rec();
+		} catch (NullPointerException e) {
+			return null;
+		}
+
+		if (answer.equals(RemoteLibrary.hashKey(key, random))) {
+			action.send(true);
+		} else {
 			getTraceHandler().trace("Key rejected.");
 			return null;
 		}
 
+		Object rep = doRequest(action, command, args);
+
+		getTraceHandler().trace(String.format("[>%s]: %d ms", command,
+				(new Date().getTime() - start)));
+
+		return rep;
+	}
+
+	private Object doRequest(ConnectActionServerObject action, String command,
+			Object[] args) throws NoSuchFieldException, NoSuchMethodException,
+			ClassNotFoundException, IOException {
 		if ("PING".equals(command)) {
 			return "PONG";
 		} else if ("GET_METADATA".equals(command)) {
-			if (args[0].equals("*")) {
-				List<MetaData> metas = Instance.getLibrary().getMetas(
-						createPgForwarder(action));
+			if ("*".equals(args[0])) {
+				Progress pg = createPgForwarder(action);
+
+				List<MetaData> metas = new ArrayList<MetaData>();
+
+				for (MetaData meta : Instance.getLibrary().getMetas(pg)) {
+					MetaData light;
+					if (meta.getCover() == null) {
+						light = meta;
+					} else {
+						light = meta.clone();
+						light.setCover(null);
+					}
+
+					metas.add(light);
+				}
+
+				forcePgDoneSent(pg);
 				return metas.toArray(new MetaData[] {});
 			}
-			throw new InvalidParameterException(
-					"only * is valid here, but you passed: " + args[0]);
+
+			return new MetaData[] {
+					Instance.getLibrary().getInfo((String) args[0]) };
 		} else if ("GET_STORY".equals(command)) {
-			MetaData meta = Instance.getLibrary().getInfo("" + args[0]);
+			MetaData meta = Instance.getLibrary().getInfo((String) args[0]);
 			meta = meta.clone();
 			meta.setCover(null);
 
 			action.send(meta);
 			action.rec();
 
-			Story story = Instance.getLibrary().getStory("" + args[0], null);
+			Story story = Instance.getLibrary().getStory((String) args[0],
+					null);
 			for (Object obj : breakStory(story)) {
 				action.send(obj);
 				action.rec();
@@ -129,15 +185,41 @@ public class RemoteLibraryServer extends ServerObject {
 			}
 
 			Story story = rebuildStory(list);
-			Instance.getLibrary().save(story, "" + args[1], null);
+			Instance.getLibrary().save(story, (String) args[0], null);
+			return story.getMeta().getLuid();
+		} else if ("IMPORT".equals(command)) {
+			Progress pg = createPgForwarder(action);
+			Story story = Instance.getLibrary().imprt(new URL((String) args[0]),
+					pg);
+			forcePgDoneSent(pg);
+			return story.getMeta().getLuid();
 		} else if ("DELETE_STORY".equals(command)) {
-			Instance.getLibrary().delete("" + args[0]);
+			Instance.getLibrary().delete((String) args[0]);
 		} else if ("GET_COVER".equals(command)) {
-			return Instance.getLibrary().getCover("" + args[0]);
-		} else if ("GET_SOURCE_COVER".equals(command)) {
-			return Instance.getLibrary().getSourceCover("" + args[0]);
-		} else if ("SET_SOURCE_COVER".equals(command)) {
-			Instance.getLibrary().setSourceCover("" + args[0], "" + args[1]);
+			return Instance.getLibrary().getCover((String) args[0]);
+		} else if ("GET_CUSTOM_COVER".equals(command)) {
+			if ("SOURCE".equals(args[0])) {
+				return Instance.getLibrary()
+						.getCustomSourceCover((String) args[1]);
+			} else if ("AUTHOR".equals(args[0])) {
+				return Instance.getLibrary()
+						.getCustomAuthorCover((String) args[1]);
+			} else {
+				return null;
+			}
+		} else if ("SET_COVER".equals(command)) {
+			if ("SOURCE".equals(args[0])) {
+				Instance.getLibrary().setSourceCover((String) args[1],
+						(String) args[2]);
+			} else if ("AUTHOR".equals(args[0])) {
+				Instance.getLibrary().setAuthorCover((String) args[1],
+						(String) args[2]);
+			}
+		} else if ("CHANGE_STA".equals(command)) {
+			Progress pg = createPgForwarder(action);
+			Instance.getLibrary().changeSTA((String) args[0], (String) args[1],
+					(String) args[2], (String) args[3], pg);
+			forcePgDoneSent(pg);
 		} else if ("EXIT".equals(command)) {
 			stop(0, false);
 		}
@@ -244,33 +326,61 @@ public class RemoteLibraryServer extends ServerObject {
 	 */
 	private static Progress createPgForwarder(
 			final ConnectActionServerObject action) {
-		final Progress pg = new Progress();
+		final Boolean[] isDoneForwarded = new Boolean[] { false };
+		final Progress pg = new Progress() {
+			@Override
+			public boolean isDone() {
+				return isDoneForwarded[0];
+			}
+		};
+
 		final Integer[] p = new Integer[] { -1, -1, -1 };
+		final Long[] lastTime = new Long[] { new Date().getTime() };
 		pg.addProgressListener(new ProgressListener() {
 			@Override
 			public void progress(Progress progress, String name) {
 				int min = pg.getMin();
 				int max = pg.getMax();
-				int relativeProgress = min
-						+ (int) Math.round(pg.getRelativeProgress()
-								* (max - min));
+				int relativeProgress = min + (int) Math
+						.round(pg.getRelativeProgress() * (max - min));
 
-				// Do not re-send the same value twice over the wire
-				if (p[0] != min || p[1] != max || p[2] != relativeProgress) {
+				// Do not re-send the same value twice over the wire,
+				// unless more than 2 seconds have elapsed (to maintain the
+				// connection)
+				if ((p[0] != min || p[1] != max || p[2] != relativeProgress)
+						|| (new Date().getTime() - lastTime[0] > 2000)) {
 					p[0] = min;
 					p[1] = max;
 					p[2] = relativeProgress;
 
 					try {
-						action.send(new Integer[] { min, max, relativeProgress });
+						action.send(
+								new Integer[] { min, max, relativeProgress });
 						action.rec();
 					} catch (Exception e) {
 						Instance.getTraceHandler().error(e);
 					}
+
+					lastTime[0] = new Date().getTime();
 				}
+
+				isDoneForwarded[0] = (pg.getProgress() >= pg.getMax());
 			}
 		});
 
 		return pg;
 	}
+
+	// with 30 seconds timeout
+	private static void forcePgDoneSent(Progress pg) {
+		long start = new Date().getTime();
+		pg.done();
+		while (!pg.isDone() && new Date().getTime() - start < 30000) {
+			try {
+				Thread.sleep(100);
+			} catch (InterruptedException e) {
+				Instance.getTraceHandler().error(e);
+			}
+		}
+	}
 }