Added threaded download manager, imgur ripper works

config/log4j.properties

@@ -0,0 +1,17 @@
+# define the file appender
+log4j.appender.FILE = org.apache.log4j.RollingFileAppender
+log4j.appender.FILE.File = ripme.log
+log4j.appender.FILE.ImmediateFlush = true
+log4j.appender.FILE.Threshold = debug
+log4j.appender.FILE.maxFileSize = 20MB
+log4j.appender.FILE.layout = org.apache.log4j.PatternLayout
+log4j.appender.FILE.layout.ConversionPattern = %d %-4r [%t] %-5p %c{2} %x - %m%n
+
+# define the console appender
+log4j.appender.stdout = org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target = System.out
+log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern = %d %-4r [%t] %-5p %c{2} %x - %m%n
+
+# now map our console appender as a root logger, means all log messages will go to this appender
+log4j.rootLogger = DEBUG, FILE, stdout

config/rip.properties

@@ -0,0 +1 @@
+threads.size = 5

src/main/java/com/rarchives/ripme/App.java

@@ -1,26 +1,27 @@
 package com.rarchives.ripme;
 
-import java.io.IOException;
 import java.net.URL;
 
 import org.apache.log4j.Logger;
-import org.apache.log4j.PropertyConfigurator;
 
-import com.rarchives.ripme.ripper.rippers.ImagefapRipper;
+import com.rarchives.ripme.ripper.rippers.ImgurRipper;
 
 /**
  *
  */
 public class App {
-    public static void main( String[] args ) throws IOException {
+    public static void main( String[] args ) throws Exception {
         Logger logger = Logger.getLogger(App.class);
-        PropertyConfigurator.configure("config/log4j.properties");
+        logger.debug("Initialized");
-        logger.debug("Testing");
+        //URL url = new URL("http://www.imagefap.com/pictures/4117023/Mirror-flat-stomach-small-firm-tits");
-        URL url = new URL("http://www.imagefap.com/pictures/4117023/Mirror-flat-stomach-small-firm-tits");
+        URL url = new URL("http://imgur.com/a/Ox6jN");
-        System.out.println("URL: " + url.toExternalForm());
+        try {
-        ImagefapRipper ir = new ImagefapRipper(url);
+                ImgurRipper ir = new ImgurRipper(url);
-        System.out.println("Ripping");
                 ir.rip();
+        } catch (Exception e) {
+            logger.error("Caught exception:", e);
+            throw e;
+        }
     }
     
     public static void initialize() {

src/main/java/com/rarchives/ripme/ripper/AbstractRipper.java

@@ -5,18 +5,26 @@ import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 
+import org.apache.log4j.Logger;
+
 import com.rarchives.ripme.utils.Utils;
 
 public abstract class AbstractRipper implements RipperInterface {
 
+    private static final Logger logger = Logger.getLogger(AbstractRipper.class);
+
     protected URL url;
-    protected File workingDir = null;
+    protected File workingDir;
+    protected DownloadThreadPool threadPool;
 
     public abstract void rip() throws IOException;
-    public abstract void setWorkingDir() throws IOException;
+    public abstract String getHost();
+    public abstract String getGID(URL url) throws MalformedURLException;
 
     /**
-     * Ensures inheriting ripper can rip this URL.
+     * Ensures inheriting ripper can rip this URL, raises exception if not.
+     * Otherwise initializes working directory and thread pool.
+     * 
      * @param url
      *      URL to rip.
      * @throws IOException
@@ -26,13 +34,57 @@ public abstract class AbstractRipper implements RipperInterface {
         if (!canRip(url)) {
             throw new MalformedURLException("Unable to rip url: " + url);
         }
-        this.url = url;
+        this.url = sanitizeURL(url);
-        setWorkingDir();
+        setWorkingDir(url);
-        workingDir = Utils.getWorkingDirectory();
+        this.threadPool = new DownloadThreadPool();
+    }
+
+    public void addURLToDownload(URL url) {
+        addURLToDownload(url, "");
+    }
+
+    public void addURLToDownload(URL url, String prefix) {
+        String saveAs = url.toExternalForm();
+        saveAs = saveAs.substring(saveAs.lastIndexOf('/')+1);
+        if (saveAs.indexOf('?') >= 0) { saveAs = saveAs.substring(0, saveAs.indexOf('?')); }
+        if (saveAs.indexOf('#') >= 0) { saveAs = saveAs.substring(0, saveAs.indexOf('#')); }
+        if (saveAs.indexOf('&') >= 0) { saveAs = saveAs.substring(0, saveAs.indexOf('&')); }
+        File saveFileAs;
+        try {
+            saveFileAs = new File(workingDir.getCanonicalPath() + File.separator + prefix + saveAs);
+        } catch (IOException e) {
+            logger.error("Error creating save file path for URL '" + url + "':", e);
+            return;
+        }
+        logger.info("Downloading " + url + " to " + saveFileAs);
+        addURLToDownload(url, saveFileAs);
+    }
+    /**
+     * Add image to be downloaded and saved.
+     * @param url
+     *      URL of the file
+     * @param saveAs
+     *      Path of the local file to save the content to.
+     */
+    public void addURLToDownload(URL url, File saveAs) {
+        threadPool.addThread(new DownloadFileThread(url, saveAs));
     }
 
     public URL getURL() {
         return url;
     }
 
+    public void setWorkingDir(URL url) throws IOException {
+        String path = Utils.getWorkingDirectory().getCanonicalPath();
+        if (!path.endsWith(File.separator)) {
+            path += File.separator;
+        }
+        path += getHost() + "_" + getGID(this.url) + File.separator;
+        this.workingDir = new File(path);
+        if (!this.workingDir.exists()) {
+            logger.info("Creating working directory(s): " + this.workingDir);
+            this.workingDir.mkdirs();
+        }
+        logger.debug("Set working directory to: " + this.workingDir);
+    }
 }

src/main/java/com/rarchives/ripme/ripper/DownloadFileThread.java

@@ -0,0 +1,55 @@
+package com.rarchives.ripme.ripper;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+
+import org.apache.log4j.Logger;
+import org.jsoup.Connection.Response;
+import org.jsoup.Jsoup;
+
+import com.rarchives.ripme.utils.Utils;
+
+public class DownloadFileThread extends Thread {
+
+    private static final Logger logger = Logger.getLogger(DownloadFileThread.class);
+
+    private URL url;
+    private File saveAs;
+
+    public DownloadFileThread(URL url, File saveAs) {
+        super();
+        this.url = url;
+        this.saveAs = saveAs;
+    }
+
+    public void run() {
+        // Check if file already exists
+        if (saveAs.exists()) {
+            if (Utils.getConfigBoolean("file.overwrite", false)) {
+                logger.info("File already exists and 'file.overwrite' is true, deleting: " + saveAs);
+                saveAs.delete();
+            } else {
+                logger.info("Not downloading " + url + " because file already exists: " + saveAs);
+                return;
+            }
+        }
+
+        logger.debug("Downloading file from: " + url);
+        try {
+            Response response;
+            response = Jsoup.connect(url.toExternalForm())
+                                     .ignoreContentType(true)
+                                     .execute();
+            FileOutputStream out = (new FileOutputStream(saveAs));
+            out.write(response.bodyAsBytes());
+            out.close();
+        } catch (IOException e) {
+            logger.error("Exception while downloading file: " + url, e);
+            return;
+        }
+        logger.debug("Download completed: " + url);
+    }
+
+}

src/main/java/com/rarchives/ripme/ripper/DownloadThreadPool.java

@@ -0,0 +1,34 @@
+package com.rarchives.ripme.ripper;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.log4j.Logger;
+
+import com.rarchives.ripme.utils.Utils;
+
+public class DownloadThreadPool {
+
+    private static final Logger logger = Logger.getLogger(DownloadThreadPool.class);
+    private ExecutorService threadPool = null;
+
+    public DownloadThreadPool() {
+        int threads = Utils.getConfigInteger("threads.size", 10);
+        logger.debug("Initializing thread pool with " + threads + " threads");
+        threadPool = Executors.newFixedThreadPool(threads);
+    }
+
+    public void addThread(Thread t) {
+        threadPool.execute(t);
+    }
+    
+    public void waitForThreads() {
+        threadPool.shutdown();
+        try {
+            threadPool.awaitTermination(60, TimeUnit.SECONDS);
+        } catch (InterruptedException e) {
+            logger.error("Interrupted while waiting for threads to finish: ", e);
+        }
+    }
+}

src/main/java/com/rarchives/ripme/ripper/RipperInterface.java

@@ -1,11 +1,14 @@
 package com.rarchives.ripme.ripper;
 
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.net.URL;
 
 public interface RipperInterface {
     public void rip() throws IOException;
-    public void processURL(String url);
     public boolean canRip(URL url);
-    public void setWorkingDir() throws IOException;
+    public URL sanitizeURL(URL url) throws MalformedURLException;
+    public void setWorkingDir(URL url) throws IOException;
+    public String getHost();
+    public String getGID(URL url) throws MalformedURLException;
 }

src/main/java/com/rarchives/ripme/ripper/rippers/ImagefapRipper.java

@@ -1,89 +1,85 @@
 package com.rarchives.ripme.ripper.rippers;
 
-import java.io.File;
 import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.apache.log4j.Logger;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 
 import com.rarchives.ripme.ripper.AbstractRipper;
-import com.rarchives.ripme.utils.Utils;
 
 public class ImagefapRipper extends AbstractRipper {
 
-    private static final String HOST = "imagefap.com";
+    private static final String DOMAIN = "imagefap.com",
-
+                                HOST   = "imagefap";
-    private String gid;
+    private static final Logger logger = Logger.getLogger(ImagefapRipper.class);
 
     public ImagefapRipper(URL url) throws IOException {
         super(url);
-        this.gid = getGID(url);
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
     }
 
     /**
      * Reformat given URL into the desired format (all images on single page)
      */
-    public void sanitizeURL() throws MalformedURLException {
+    public URL sanitizeURL(URL url) throws MalformedURLException {
-        this.url = new URL("http://www.imagefap.com/gallery.php?gid="
+        String gid = getGID(url);
-                            + this.gid + "&view=2");
+        logger.debug("GID=" + gid);
+        URL newURL = new URL("http://www.imagefap.com/gallery.php?gid="
+                            + gid + "&view=2");
+        logger.debug("Sanitized URL from " + url + " to " + newURL);
+        return newURL;
     }
 
-    private static String getGID(URL url) throws MalformedURLException {
+    public String getGID(URL url) throws MalformedURLException {
-        String gid = null;
+        Pattern p = Pattern.compile("^.*imagefap.com/gallery.php\\?gid=([0-9]{1,}).*$");
-        Pattern p = Pattern.compile("^.*imagefap.com/gallery.php?gid=([0-9]{1,}).*$");
         Matcher m = p.matcher(url.toExternalForm());
         if (m.matches()) {
-            gid = m.group(1);
+            return m.group(1);
-        } else {
+        }
         p = Pattern.compile("^.*imagefap.com/pictures/([0-9]{1,}).*$");
         m = p.matcher(url.toExternalForm());
         if (m.matches()) {
-                gid = m.group(1);
+            return m.group(1);
         }
-        }
-        if (gid == null) {
         throw new MalformedURLException(
-                    "Expected imagefap.com gallery formats:"
+                "Expected imagefap.com gallery formats: "
-                            + "imagefap.com/gallery.php?gid=####... or"
+                        + "imagefap.com/gallery.php?gid=####... or "
-                            + "imagefap.com/pictures/####...");
+                        + "imagefap.com/pictures/####..."
-        }
+                        + " Got: " + url);
-        return gid;
-    }
-
-    @Override
-    public void setWorkingDir() throws IOException {
-        String path = Utils.getWorkingDirectory().getCanonicalPath();
-        path += this.gid + File.separator;
-        this.workingDir = new File(path);
     }
 
     @Override
     public void rip() throws IOException {
-        System.err.println("Connecting to " + this.url.toExternalForm());
+        logger.debug("Retrieving " + this.url.toExternalForm());
         Document doc = Jsoup.connect(this.url.toExternalForm()).get();
         for (Element thumb : doc.select("#gallery img")) {
             if (!thumb.hasAttr("src") || !thumb.hasAttr("width")) {
                 continue;
             }
             String image = thumb.attr("src");
-            image = image.replaceAll("http://x.*.fap.to/images/thumb/",
+            image = image.replaceAll(
+                    "http://x.*.fap.to/images/thumb/",
                     "http://fap.to/images/full/");
-            processURL(image);
+            processURL(new URL(image));
-            System.err.println(image);
         }
     }
 
-    public void processURL(String url) {
+    public void processURL(URL url) {
-
+        logger.info("Found " + url);
     }
 
     public boolean canRip(URL url) {
-        if (!url.getHost().endsWith(HOST)) {
+        if (!url.getHost().endsWith(DOMAIN)) {
             return false;
         }
         return true;

src/main/java/com/rarchives/ripme/ripper/rippers/ImgurRipper.java

@@ -0,0 +1,142 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.log4j.Logger;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+
+import com.rarchives.ripme.ripper.AbstractRipper;
+
+public class ImgurRipper extends AbstractRipper {
+
+    private static final String DOMAIN = "imgur.com",
+                                HOST   = "imgur";
+    private static final Logger logger = Logger.getLogger(ImgurRipper.class);
+    
+    static enum ALBUM_TYPE {
+        ALBUM,
+        USER,
+        USER_ALBUM,
+        SERIES_OF_IMAGES
+    };
+    private ALBUM_TYPE albumType;
+
+    public ImgurRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    public void processURL(URL url, String prefix) {
+       logger.info("Found URL: " + url);
+       addURLToDownload(url, prefix);
+    }
+
+    public boolean canRip(URL url) {
+        if (!url.getHost().endsWith(DOMAIN)) {
+           return false;
+        }
+        try {
+            getGID(url);
+        } catch (Exception e) {
+            // Can't get GID, can't rip it.
+            return false;
+        }
+        return true;
+    }
+
+    public URL sanitizeURL(URL url) throws MalformedURLException {
+        String u = url.toExternalForm();
+        if (u.indexOf('#') >= 0) {
+            u = u.substring(0,  u.indexOf('#'));
+        }
+        return new URL(u);
+    }
+
+    @Override
+    public void rip() throws IOException {
+        switch (albumType) {
+        case ALBUM:
+            this.url = new URL(this.url.toExternalForm() + "/noscript");
+            // Fall-through
+        case USER_ALBUM:
+            ripAlbum(this.url);
+            break;
+
+        case SERIES_OF_IMAGES:
+            // TODO Get all images
+            break;
+
+        case USER:
+            // TODO Get all albums by user
+            break;
+        }
+        threadPool.waitForThreads();
+    }
+
+    private void ripAlbum(URL url) throws IOException {
+        int index = 0;
+        logger.debug("Retrieving " + url.toExternalForm());
+        Document doc = Jsoup.connect(url.toExternalForm()).get();
+        for (Element thumb : doc.select("div.image")) {
+            String image;
+            if (thumb.select("a.zoom").size() > 0) {
+                // Clickably full-size
+                image = "http:" + thumb.select("a").attr("href");
+            } else if (thumb.select("img").size() > 0) {
+                image = "http:" + thumb.select("img").attr("src");
+            } else {
+                // Unable to find image in this div
+                logger.error("Unable to find image in div: " + thumb.toString());
+                continue;
+            }
+            index += 1;
+            processURL(new URL(image), String.format("%03d_", index));
+        }
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p = Pattern.compile("^https?://(m\\.)?imgur\\.com/a/([a-zA-Z0-9]{5,8}).*$");
+        Matcher m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            // Imgur album
+            albumType = ALBUM_TYPE.ALBUM;
+            String gid = m.group(m.groupCount());
+            this.url = new URL("http://imgur.com/a/" + gid);
+            return gid;
+        }
+        p = Pattern.compile("^https?://([a-zA-Z0-9\\-])\\.imgur\\.com/?$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            // Root imgur account
+            albumType = ALBUM_TYPE.USER;
+            return m.group(m.groupCount());
+        }
+        p = Pattern.compile("^https?://([a-zA-Z0-9\\-])\\.imgur\\.com/([a-zA-Z0-9])?$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            // Imgur account album
+            albumType = ALBUM_TYPE.USER_ALBUM;
+            return m.group();
+        }
+        p = Pattern.compile("^https?://(i\\.)?imgur\\.com/([a-zA-Z0-9,]{5,}).*$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            // Series of imgur images
+            albumType = ALBUM_TYPE.SERIES_OF_IMAGES;
+            return m.group();
+        }
+        throw new MalformedURLException("Unexpected URL format: " + url.toExternalForm());
+    }
+
+}

src/main/java/com/rarchives/ripme/utils/Utils.java

@@ -1,18 +1,17 @@
 package com.rarchives.ripme.utils;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 
 import org.apache.commons.configuration.Configuration;
 import org.apache.commons.configuration.ConfigurationException;
 import org.apache.commons.configuration.PropertiesConfiguration;
-import org.jsoup.Connection.Response;
+import org.apache.log4j.Logger;
-import org.jsoup.Jsoup;
 
 public class Utils {
 
     public static final String RIP_DIRECTORY = "rips";
+    private static final Logger logger = Logger.getLogger(Utils.class);
 
     public static File getWorkingDirectory() throws IOException {
         String path = new File(".").getCanonicalPath() + File.separator;
@@ -24,24 +23,40 @@ public class Utils {
         return workingDir;
     }
 
-    public static String getConfigString(String key) {
+    public static String getConfigString(String key, String defaultValue) {
-        Configuration config = null;
+        String value = defaultValue;
         try {
-            config = new PropertiesConfiguration("rip.properties");
+            Configuration config = new PropertiesConfiguration("config/rip.properties");
+            value = config.getString(key);
         } catch (ConfigurationException e) {
-            System.err.println(e);
+            logger.error("Failed to get configuration value for " + key
-            return null;
+                    + ", using default '" + value + "'");
         }
-        return config.getString(key);
+        return value;
     }
 
-    public static void downloadFile(String url, File saveAs) throws IOException {
+    public static int getConfigInteger(String key, int defaultValue) {
-        Response response = Jsoup.connect(url)
+        int value = defaultValue;
-                                 .ignoreContentType(true)
+        try {
-                                 .execute();
+            Configuration config = new PropertiesConfiguration(new File("./config/rip.properties"));
-
+            value = config.getInt(key, defaultValue);
-        FileOutputStream out = (new FileOutputStream(saveAs));
+        } catch (Exception e) {
-        out.write(response.bodyAsBytes());
+            logger.error("Failed to get configuration value for " + key
-        out.close();
+                    + ", using default '" + value + "'");
         }
+        return value;
+    }
+
+    public static boolean getConfigBoolean(String key, boolean defaultValue) {
+        boolean value = defaultValue;
+        try {
+            Configuration config = new PropertiesConfiguration(new File("./config/rip.properties"));
+            value = config.getBoolean(key, defaultValue);
+        } catch (Exception e) {
+            logger.error("Failed to get configuration value for " + key
+                    + ", using default '" + value + "'");
+        }
+        return value;
+    }
+
 }