Merge pull request #74 from metaprime/pornhub

Added Pornhub album ripper

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

@@ -0,0 +1,185 @@
+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.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import com.rarchives.ripme.ripper.AlbumRipper;
+import com.rarchives.ripme.ripper.DownloadThreadPool;
+import com.rarchives.ripme.ui.RipStatusMessage.STATUS;
+import com.rarchives.ripme.utils.Utils;
+
+public class PornhubRipper extends AlbumRipper {
+    // All sleep times are in milliseconds
+    private static final int IMAGE_SLEEP_TIME    = 1  * 1000;
+    private static final int TIMEOUT             = 5  * 1000;
+
+    private static final String DOMAIN = "pornhub.com", HOST = "Pornhub";
+
+    // Thread pool for finding direct image links from "image" pages (html)
+    private DownloadThreadPool pornhubThreadPool = new DownloadThreadPool("pornhub");
+
+    // Current HTML document
+    private Document albumDoc = null;
+
+    public PornhubRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
+    }
+
+    public URL sanitizeURL(URL url) throws MalformedURLException {
+        return url;
+    }
+
+    public String getAlbumTitle(URL url) throws MalformedURLException {
+        try {
+            // Attempt to use album title as GID
+            if (albumDoc == null) {
+                logger.info("    Retrieving " + url.toExternalForm());
+                sendUpdate(STATUS.LOADING_RESOURCE, url.toString());
+                albumDoc = Jsoup.connect(url.toExternalForm())
+                                .userAgent(USER_AGENT)
+                                .timeout(TIMEOUT)
+                                .get();
+            }
+            Elements elems = albumDoc.select(".photoAlbumTitleV2");
+            return HOST + "_" + elems.get(0).text();
+        } catch (Exception e) {
+            // Fall back to default album naming convention
+            logger.warn("Failed to get album title from " + url, e);
+        }
+        return super.getAlbumTitle(url);
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p;
+        Matcher m;
+
+        p = Pattern.compile("^.*pornhub\\.com/album/([0-9]+)$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            return m.group(1);
+        }
+
+        throw new MalformedURLException(
+                "Expected pornhub.com album format: "
+                        + "http://www.pornhub.com/album/####"
+                        + " Got: " + url);
+    }
+
+    @Override
+    public void rip() throws IOException {
+        int index = 0, retries = 3;
+        String nextUrl = this.url.toExternalForm();
+
+        if (isStopped()) {
+            return;
+        }
+
+        if (albumDoc == null) {
+            logger.info("    Retrieving album page " + nextUrl);
+            sendUpdate(STATUS.LOADING_RESOURCE, nextUrl);
+            albumDoc = Jsoup.connect(nextUrl)
+                            .userAgent(USER_AGENT)
+                            .timeout(TIMEOUT)
+                            .referrer(this.url.toExternalForm())
+                            .get();
+        }
+
+        // Find thumbnails
+        Elements thumbs = albumDoc.select(".photoBlockBox li");
+        if (thumbs.size() == 0) {
+            logger.info("albumDoc: " + albumDoc);
+            logger.info("No images found at " + nextUrl);
+            return;
+        }
+
+        // Iterate over images on page
+        for (Element thumb : thumbs) {
+            if (isStopped()) {
+                break;
+            }
+            index++;
+            String imagePageUrl = thumb.select(".photoAlbumListBlock > a").first().attr("href");
+            URL imagePage = new URL(url, imagePageUrl);
+            PornhubImageThread t = new PornhubImageThread(imagePage, index, this.workingDir);
+            pornhubThreadPool.addThread(t);
+            try {
+                Thread.sleep(IMAGE_SLEEP_TIME);
+            } catch (InterruptedException e) {
+                logger.warn("Interrupted while waiting to load next image", e);
+            }
+        }
+
+        waitForThreads();
+    }
+
+    public boolean canRip(URL url) {
+        return url.getHost().endsWith(DOMAIN);
+    }
+
+    /**
+     * Helper class to find and download images found on "image" pages
+     * 
+     * Handles case when site has IP-banned the user.
+     */
+    private class PornhubImageThread extends Thread {
+        private URL url;
+        private int index;
+        private File workingDir;
+        private int retries = 3;
+
+        public PornhubImageThread(URL url, int index, File workingDir) {
+            super();
+            this.url = url;
+            this.index = index;
+            this.workingDir = workingDir;
+        }
+
+        @Override
+        public void run() {
+            fetchImage();
+        }
+
+        private void fetchImage() {
+            try {
+                Document doc = Jsoup.connect(this.url.toExternalForm())
+                                    .userAgent(USER_AGENT)
+                                    .timeout(TIMEOUT)
+                                    .referrer(this.url.toExternalForm())
+                                    .get();
+
+                // Find image
+                Elements images = doc.select("#photoImageSection img");
+                Element image = images.first();
+                String imgsrc = image.attr("src");
+                logger.info("Found URL " + imgsrc + " via " + images.get(0));
+
+                // Provide prefix and let the AbstractRipper "guess" the filename
+                String prefix = "";
+                if (Utils.getConfigBoolean("download.save_order", true)) {
+                    prefix = String.format("%03d_", index);
+                }
+
+                URL imgurl = new URL(url, imgsrc);
+                addURLToDownload(imgurl, prefix);
+
+            } catch (IOException e) {
+                logger.error("[!] Exception while loading/parsing " + this.url, e);
+            }
+        }
+    }
+}