--- /dev/null
+/*
+ * jSite - ProjectInserter.java - Copyright © 2006–2012 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package de.todesbaum.jsite.application;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import net.pterodactylus.util.io.StreamCopier.ProgressListener;
+import de.todesbaum.jsite.gui.FileScanner;
+import de.todesbaum.jsite.gui.FileScanner.ScannedFile;
+import de.todesbaum.jsite.gui.FileScannerListener;
+import de.todesbaum.util.freenet.fcp2.Client;
+import de.todesbaum.util.freenet.fcp2.ClientPutComplexDir;
+import de.todesbaum.util.freenet.fcp2.ClientPutDir.ManifestPutter;
+import de.todesbaum.util.freenet.fcp2.Connection;
+import de.todesbaum.util.freenet.fcp2.DirectFileEntry;
+import de.todesbaum.util.freenet.fcp2.FileEntry;
+import de.todesbaum.util.freenet.fcp2.Message;
+import de.todesbaum.util.freenet.fcp2.PriorityClass;
+import de.todesbaum.util.freenet.fcp2.RedirectFileEntry;
+import de.todesbaum.util.freenet.fcp2.Verbosity;
+
+/**
+ * Manages project inserts.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ */
+public class ProjectInserter implements FileScannerListener, Runnable {
+
+ /** The logger. */
+ private static final Logger logger = Logger.getLogger(ProjectInserter.class.getName());
+
+ /** Random number for FCP instances. */
+ private static final int random = (int) (Math.random() * Integer.MAX_VALUE);
+
+ /** Counter for FCP connection identifier. */
+ private static int counter = 0;
+
+ /** The list of insert listeners. */
+ private List<InsertListener> insertListeners = new ArrayList<InsertListener>();
+
+ /** The freenet interface. */
+ protected Freenet7Interface freenetInterface;
+
+ /** The project to insert. */
+ protected Project project;
+
+ /** The file scanner. */
+ private FileScanner fileScanner;
+
+ /** Object used for synchronization. */
+ protected final Object lockObject = new Object();
+
+ /** The temp directory. */
+ private String tempDirectory;
+
+ /** The current connection. */
+ private Connection connection;
+
+ /** Whether the insert is cancelled. */
+ private volatile boolean cancelled = false;
+
+ /** Progress listener for payload transfers. */
+ private ProgressListener progressListener;
+
+ /** Whether to use “early encode.” */
+ private boolean useEarlyEncode;
+
+ /** The insert priority. */
+ private PriorityClass priority;
+
+ /** The manifest putter. */
+ private ManifestPutter manifestPutter;
+
+ /**
+ * Adds a listener to the list of registered listeners.
+ *
+ * @param insertListener
+ * The listener to add
+ */
+ public void addInsertListener(InsertListener insertListener) {
+ insertListeners.add(insertListener);
+ }
+
+ /**
+ * Removes a listener from the list of registered listeners.
+ *
+ * @param insertListener
+ * The listener to remove
+ */
+ public void removeInsertListener(InsertListener insertListener) {
+ insertListeners.remove(insertListener);
+ }
+
+ /**
+ * Notifies all listeners that the project insert has started.
+ *
+ * @see InsertListener#projectInsertStarted(Project)
+ */
+ protected void fireProjectInsertStarted() {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectInsertStarted(project);
+ }
+ }
+
+ /**
+ * Notifies all listeners that the insert has generated a URI.
+ *
+ * @see InsertListener#projectURIGenerated(Project, String)
+ * @param uri
+ * The generated URI
+ */
+ protected void fireProjectURIGenerated(String uri) {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectURIGenerated(project, uri);
+ }
+ }
+
+ /**
+ * Notifies all listeners that the insert has made some progress.
+ *
+ * @see InsertListener#projectUploadFinished(Project)
+ */
+ protected void fireProjectUploadFinished() {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectUploadFinished(project);
+ }
+ }
+
+ /**
+ * Notifies all listeners that the insert has made some progress.
+ *
+ * @see InsertListener#projectInsertProgress(Project, int, int, int, int,
+ * boolean)
+ * @param succeeded
+ * The number of succeeded blocks
+ * @param failed
+ * The number of failed blocks
+ * @param fatal
+ * The number of fatally failed blocks
+ * @param total
+ * The total number of blocks
+ * @param finalized
+ * <code>true</code> if the total number of blocks has already
+ * been finalized, <code>false</code> otherwise
+ */
+ protected void fireProjectInsertProgress(int succeeded, int failed, int fatal, int total, boolean finalized) {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectInsertProgress(project, succeeded, failed, fatal, total, finalized);
+ }
+ }
+
+ /**
+ * Notifies all listeners the project insert has finished.
+ *
+ * @see InsertListener#projectInsertFinished(Project, boolean, Throwable)
+ * @param success
+ * <code>true</code> if the project was inserted successfully,
+ * <code>false</code> if it failed
+ * @param cause
+ * The cause of the failure, if any
+ */
+ protected void fireProjectInsertFinished(boolean success, Throwable cause) {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectInsertFinished(project, success, cause);
+ }
+ }
+
+ /**
+ * Sets the project to insert.
+ *
+ * @param project
+ * The project to insert
+ */
+ public void setProject(Project project) {
+ this.project = project;
+ }
+
+ /**
+ * Sets the freenet interface to use.
+ *
+ * @param freenetInterface
+ * The freenet interface to use
+ */
+ public void setFreenetInterface(Freenet7Interface freenetInterface) {
+ this.freenetInterface = freenetInterface;
+ }
+
+ /**
+ * Sets the temp directory to use.
+ *
+ * @param tempDirectory
+ * The temp directory to use, or {@code null} to use the system
+ * default
+ */
+ public void setTempDirectory(String tempDirectory) {
+ this.tempDirectory = tempDirectory;
+ }
+
+ /**
+ * Sets whether to use the “early encode“ flag for the insert.
+ *
+ * @param useEarlyEncode
+ * {@code true} to set the “early encode” flag for the insert,
+ * {@code false} otherwise
+ */
+ public void setUseEarlyEncode(boolean useEarlyEncode) {
+ this.useEarlyEncode = useEarlyEncode;
+ }
+
+ /**
+ * Sets the insert priority.
+ *
+ * @param priority
+ * The insert priority
+ */
+ public void setPriority(PriorityClass priority) {
+ this.priority = priority;
+ }
+
+ /**
+ * Sets the manifest putter to use for inserts.
+ *
+ * @param manifestPutter
+ * The manifest putter to use
+ */
+ public void setManifestPutter(ManifestPutter manifestPutter) {
+ this.manifestPutter = manifestPutter;
+ }
+
+ /**
+ * Starts the insert.
+ *
+ * @param progressListener
+ * Listener to notify on progress events
+ */
+ public void start(ProgressListener progressListener) {
+ cancelled = false;
+ this.progressListener = progressListener;
+ fileScanner = new FileScanner(project);
+ fileScanner.addFileScannerListener(this);
+ new Thread(fileScanner).start();
+ }
+
+ /**
+ * Stops the current insert.
+ */
+ public void stop() {
+ cancelled = true;
+ synchronized (lockObject) {
+ if (connection != null) {
+ connection.disconnect();
+ }
+ }
+ }
+
+ /**
+ * Creates an input stream that delivers the given file, replacing edition
+ * tokens in the file’s content, if necessary.
+ *
+ * @param filename
+ * The name of the file
+ * @param fileOption
+ * The file options
+ * @param edition
+ * The current edition
+ * @param length
+ * An array containing a single long which is used to
+ * <em>return</em> the final length of the file, after all
+ * replacements
+ * @return The input stream for the file
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ private InputStream createFileInputStream(String filename, FileOption fileOption, int edition, long[] length) throws IOException {
+ File file = new File(project.getLocalPath(), filename);
+ length[0] = file.length();
+ return new FileInputStream(file);
+ }
+
+ /**
+ * Creates a file entry suitable for handing in to
+ * {@link ClientPutComplexDir#addFileEntry(FileEntry)}.
+ *
+ * @param file
+ * The name and hash of the file to insert
+ * @param edition
+ * The current edition
+ * @return A file entry for the given file
+ */
+ private FileEntry createFileEntry(ScannedFile file, int edition) {
+ FileEntry fileEntry = null;
+ String filename = file.getFilename();
+ FileOption fileOption = project.getFileOption(filename);
+ if (fileOption.isInsert()) {
+ fileOption.setCurrentHash(file.getHash());
+ /* check if file was modified. */
+ if (!project.isAlwaysForceInsert() && !fileOption.isForceInsert() && file.getHash().equals(fileOption.getLastInsertHash())) {
+ /* only insert a redirect. */
+ logger.log(Level.FINE, String.format("Inserting redirect to edition %d for %s.", fileOption.getLastInsertEdition(), filename));
+ return new RedirectFileEntry(fileOption.hasChangedName() ? fileOption.getChangedName() : filename, fileOption.getMimeType(), "SSK@" + project.getRequestURI() + "/" + project.getPath() + "-" + fileOption.getLastInsertEdition() + "/" + fileOption.getLastInsertFilename());
+ }
+ try {
+ long[] fileLength = new long[1];
+ InputStream fileEntryInputStream = createFileInputStream(filename, fileOption, edition, fileLength);
+ fileEntry = new DirectFileEntry(fileOption.hasChangedName() ? fileOption.getChangedName() : filename, fileOption.getMimeType(), fileEntryInputStream, fileLength[0]);
+ } catch (IOException ioe1) {
+ /* ignore, null is returned. */
+ }
+ } else {
+ if (fileOption.isInsertRedirect()) {
+ fileEntry = new RedirectFileEntry(fileOption.hasChangedName() ? fileOption.getChangedName() : filename, fileOption.getMimeType(), fileOption.getCustomKey());
+ }
+ }
+ return fileEntry;
+ }
+
+ /**
+ * Validates the given project. The project will be checked for any invalid
+ * conditions, such as invalid insert or request keys, missing path names,
+ * missing default file, and so on.
+ *
+ * @param project
+ * The project to check
+ * @return The encountered warnings and errors
+ */
+ public static CheckReport validateProject(Project project) {
+ CheckReport checkReport = new CheckReport();
+ if ((project.getLocalPath() == null) || (project.getLocalPath().trim().length() == 0)) {
+ checkReport.addIssue("error.no-local-path", true);
+ }
+ if ((project.getPath() == null) || (project.getPath().trim().length() == 0)) {
+ checkReport.addIssue("error.no-path", true);
+ }
+ if ((project.getIndexFile() == null) || (project.getIndexFile().length() == 0)) {
+ checkReport.addIssue("warning.empty-index", false);
+ } else {
+ File indexFile = new File(project.getLocalPath(), project.getIndexFile());
+ if (!indexFile.exists()) {
+ checkReport.addIssue("error.index-missing", true);
+ }
+ }
+ String indexFile = project.getIndexFile();
+ boolean hasIndexFile = (indexFile != null) && (indexFile.length() > 0);
+ List<String> allowedIndexContentTypes = Arrays.asList("text/html", "application/xhtml+xml");
+ if (hasIndexFile && !allowedIndexContentTypes.contains(project.getFileOption(indexFile).getMimeType())) {
+ checkReport.addIssue("warning.index-not-html", false);
+ }
+ Map<String, FileOption> fileOptions = project.getFileOptions();
+ Set<Entry<String, FileOption>> fileOptionEntries = fileOptions.entrySet();
+ boolean insert = fileOptionEntries.isEmpty();
+ for (Entry<String, FileOption> fileOptionEntry : fileOptionEntries) {
+ String fileName = fileOptionEntry.getKey();
+ FileOption fileOption = fileOptionEntry.getValue();
+ insert |= fileOption.isInsert() || fileOption.isInsertRedirect();
+ if (fileName.equals(project.getIndexFile()) && !fileOption.isInsert() && !fileOption.isInsertRedirect()) {
+ checkReport.addIssue("error.index-not-inserted", true);
+ }
+ if (!fileOption.isInsert() && fileOption.isInsertRedirect() && ((fileOption.getCustomKey().length() == 0) || "CHK@".equals(fileOption.getCustomKey()))) {
+ checkReport.addIssue("error.no-custom-key", true, fileName);
+ }
+ }
+ if (!insert) {
+ checkReport.addIssue("error.no-files-to-insert", true);
+ }
+ Set<String> fileNames = new HashSet<String>();
+ for (Entry<String, FileOption> fileOptionEntry : fileOptionEntries) {
+ FileOption fileOption = fileOptionEntry.getValue();
+ if (!fileOption.isInsert() && !fileOption.isInsertRedirect()) {
+ logger.log(Level.FINEST, "Ignoring {0}.", fileOptionEntry.getKey());
+ continue;
+ }
+ String fileName = fileOptionEntry.getKey();
+ if (fileOption.hasChangedName()) {
+ fileName = fileOption.getChangedName();
+ }
+ logger.log(Level.FINEST, "Adding “{0}” for {1}.", new Object[] { fileName, fileOptionEntry.getKey() });
+ if (!fileNames.add(fileName)) {
+ checkReport.addIssue("error.duplicate-file", true, fileName);
+ }
+ }
+ long totalSize = 0;
+ FileScanner fileScanner = new FileScanner(project);
+ final CountDownLatch completionLatch = new CountDownLatch(1);
+ fileScanner.addFileScannerListener(new FileScannerListener() {
+
+ @Override
+ public void fileScannerFinished(FileScanner fileScanner) {
+ completionLatch.countDown();
+ }
+ });
+ new Thread(fileScanner).start();
+ while (completionLatch.getCount() > 0) {
+ try {
+ completionLatch.await();
+ } catch (InterruptedException ie1) {
+ /* TODO: logging */
+ }
+ }
+ for (ScannedFile scannedFile : fileScanner.getFiles()) {
+ String fileName = scannedFile.getFilename();
+ FileOption fileOption = project.getFileOption(fileName);
+ if ((fileOption != null) && !fileOption.isInsert()) {
+ continue;
+ }
+ totalSize += new File(project.getLocalPath(), fileName).length();
+ }
+ if (totalSize > 2 * 1024 * 1024) {
+ checkReport.addIssue("warning.site-larger-than-2-mib", false);
+ }
+ return checkReport;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void run() {
+ fireProjectInsertStarted();
+ List<ScannedFile> files = fileScanner.getFiles();
+
+ /* create connection to node */
+ synchronized (lockObject) {
+ connection = freenetInterface.getConnection("project-insert-" + random + counter++);
+ }
+ connection.setTempDirectory(tempDirectory);
+ boolean connected = false;
+ Throwable cause = null;
+ try {
+ connected = connection.connect();
+ } catch (IOException e1) {
+ cause = e1;
+ }
+
+ if (!connected || cancelled) {
+ fireProjectInsertFinished(false, cancelled ? new AbortedException() : cause);
+ return;
+ }
+
+ Client client = new Client(connection);
+
+ /* collect files */
+ int edition = project.getEdition();
+ String dirURI = "USK@" + project.getInsertURI() + "/" + project.getPath() + "/" + edition + "/";
+ ClientPutComplexDir putDir = new ClientPutComplexDir("dir-" + counter++, dirURI, tempDirectory);
+ if ((project.getIndexFile() != null) && (project.getIndexFile().length() > 0)) {
+ putDir.setDefaultName(project.getIndexFile());
+ }
+ putDir.setVerbosity(Verbosity.ALL);
+ putDir.setMaxRetries(-1);
+ putDir.setEarlyEncode(useEarlyEncode);
+ putDir.setPriorityClass(priority);
+ putDir.setManifestPutter(manifestPutter);
+ for (ScannedFile file : files) {
+ FileEntry fileEntry = createFileEntry(file, edition);
+ if (fileEntry != null) {
+ try {
+ putDir.addFileEntry(fileEntry);
+ } catch (IOException ioe1) {
+ fireProjectInsertFinished(false, ioe1);
+ return;
+ }
+ }
+ }
+
+ /* start request */
+ try {
+ client.execute(putDir, progressListener);
+ fireProjectUploadFinished();
+ } catch (IOException ioe1) {
+ fireProjectInsertFinished(false, ioe1);
+ return;
+ }
+
+ /* parse progress and success messages */
+ String finalURI = null;
+ boolean success = false;
+ boolean finished = false;
+ boolean disconnected = false;
+ while (!finished && !cancelled) {
+ Message message = client.readMessage();
+ finished = (message == null) || (disconnected = client.isDisconnected());
+ logger.log(Level.FINE, "Received message: " + message);
+ if (!finished) {
+ @SuppressWarnings("null")
+ String messageName = message.getName();
+ if ("URIGenerated".equals(messageName)) {
+ finalURI = message.get("URI");
+ fireProjectURIGenerated(finalURI);
+ }
+ if ("SimpleProgress".equals(messageName)) {
+ int total = Integer.parseInt(message.get("Total"));
+ int succeeded = Integer.parseInt(message.get("Succeeded"));
+ int fatal = Integer.parseInt(message.get("FatallyFailed"));
+ int failed = Integer.parseInt(message.get("Failed"));
+ boolean finalized = Boolean.parseBoolean(message.get("FinalizedTotal"));
+ fireProjectInsertProgress(succeeded, failed, fatal, total, finalized);
+ }
+ success |= "PutSuccessful".equals(messageName);
+ finished = (success && (finalURI != null)) || "PutFailed".equals(messageName) || messageName.endsWith("Error");
+ }
+ }
+
+ /* post-insert work */
+ if (success) {
+ @SuppressWarnings("null")
+ String editionPart = finalURI.substring(finalURI.lastIndexOf('/') + 1);
+ int newEdition = Integer.parseInt(editionPart);
+ project.setEdition(newEdition);
+ project.setLastInsertionTime(System.currentTimeMillis());
+ project.onSuccessfulInsert();
+ }
+ fireProjectInsertFinished(success, cancelled ? new AbortedException() : (disconnected ? new IOException("Connection terminated") : null));
+ }
+
+ //
+ // INTERFACE FileScannerListener
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void fileScannerFinished(FileScanner fileScanner) {
+ if (!fileScanner.isError()) {
+ new Thread(this).start();
+ } else {
+ fireProjectInsertFinished(false, null);
+ }
+ fileScanner.removeFileScannerListener(this);
+ }
+
+ /**
+ * Container class that collects all warnings and errors that occured during
+ * {@link ProjectInserter#validateProject(Project) project validation}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ public static class CheckReport implements Iterable<Issue> {
+
+ /** The issures that occured. */
+ private final List<Issue> issues = new ArrayList<Issue>();
+
+ /**
+ * Adds an issue.
+ *
+ * @param issue
+ * The issue to add
+ */
+ public void addIssue(Issue issue) {
+ issues.add(issue);
+ }
+
+ /**
+ * Creates an {@link Issue} from the given error key and fatality flag
+ * and {@link #addIssue(Issue) adds} it.
+ *
+ * @param errorKey
+ * The error key
+ * @param fatal
+ * {@code true} if the error is fatal, {@code false} if only
+ * a warning should be generated
+ * @param parameters
+ * Any additional parameters
+ */
+ public void addIssue(String errorKey, boolean fatal, String... parameters) {
+ addIssue(new Issue(errorKey, fatal, parameters));
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Iterator<Issue> iterator() {
+ return issues.iterator();
+ }
+
+ /**
+ * Returns whether this check report does not contain any errors.
+ *
+ * @return {@code true} if this check report does not contain any
+ * errors, {@code false} if this check report does contain
+ * errors
+ */
+ public boolean isEmpty() {
+ return issues.isEmpty();
+ }
+
+ /**
+ * Returns the number of issues in this check report.
+ *
+ * @return The number of issues
+ */
+ public int size() {
+ return issues.size();
+ }
+
+ }
+
+ /**
+ * Container class for a single issue. An issue contains an error key
+ * that describes the error, and a fatality flag that determines whether
+ * the insert has to be aborted (if the flag is {@code true}) or if it
+ * can still be performed and only a warning should be generated (if the
+ * flag is {@code false}).
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’
+ * Roden</a>
+ */
+ public static class Issue {
+
+ /** The error key. */
+ private final String errorKey;
+
+ /** The fatality flag. */
+ private final boolean fatal;
+
+ /** Additional parameters. */
+ private String[] parameters;
+
+ /**
+ * Creates a new issue.
+ *
+ * @param errorKey
+ * The error key
+ * @param fatal
+ * The fatality flag
+ * @param parameters
+ * Any additional parameters
+ */
+ protected Issue(String errorKey, boolean fatal, String... parameters) {
+ this.errorKey = errorKey;
+ this.fatal = fatal;
+ this.parameters = parameters;
+ }
+
+ /**
+ * Returns the key of the encountered error.
+ *
+ * @return The error key
+ */
+ public String getErrorKey() {
+ return errorKey;
+ }
+
+ /**
+ * Returns whether the issue is fatal and the insert has to be
+ * aborted. Otherwise only a warning should be shown.
+ *
+ * @return {@code true} if the insert needs to be aborted, {@code
+ * false} otherwise
+ */
+ public boolean isFatal() {
+ return fatal;
+ }
+
+ /**
+ * Returns any additional parameters.
+ *
+ * @return The additional parameters
+ */
+ public String[] getParameters() {
+ return parameters;
+ }
+
+ }
+
+}