494 lines
18 KiB
Java
494 lines
18 KiB
Java
package com.rarchives.ripme.ripper.rippers;
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import java.io.File;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.jsoup.Jsoup;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import org.jsoup.select.Elements;
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import com.rarchives.ripme.ripper.AlbumRipper;
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import com.rarchives.ripme.ui.RipStatusMessage.STATUS;
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import com.rarchives.ripme.utils.Http;
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import com.rarchives.ripme.utils.Utils;
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public class ImgurRipper extends AlbumRipper {
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private static final String DOMAIN = "imgur.com",
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HOST = "imgur";
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private final int SLEEP_BETWEEN_ALBUMS;
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private Document albumDoc;
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static enum ALBUM_TYPE {
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ALBUM,
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USER,
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USER_ALBUM,
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USER_IMAGES,
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SERIES_OF_IMAGES,
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SUBREDDIT
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};
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private ALBUM_TYPE albumType;
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public ImgurRipper(URL url) throws IOException {
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super(url);
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SLEEP_BETWEEN_ALBUMS = 1;
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}
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/**
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* Imgur ripper does not return the same URL except when ripping
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* many albums at once (USER). In this case, we want duplicates.
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*/
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@Override
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public boolean allowDuplicates() {
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return true;
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}
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public boolean canRip(URL url) {
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if (!url.getHost().endsWith(DOMAIN)) {
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return false;
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}
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try {
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getGID(url);
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} catch (Exception e) {
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// Can't get GID, can't rip it.
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return false;
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}
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return true;
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}
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public URL sanitizeURL(URL url) throws MalformedURLException {
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String u = url.toExternalForm();
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if (u.indexOf('#') >= 0) {
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u = u.substring(0, u.indexOf('#'));
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}
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u = u.replace("imgur.com/gallery/", "imgur.com/a/");
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u = u.replace("https?://m\\.imgur\\.com", "http://imgur.com");
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u = u.replace("https?://i\\.imgur\\.com", "http://imgur.com");
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return new URL(u);
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}
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public String getAlbumTitle(URL url) throws MalformedURLException {
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String gid = getGID(url);
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if (this.albumType == ALBUM_TYPE.ALBUM) {
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try {
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// Attempt to use album title as GID
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if (albumDoc == null) {
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albumDoc = Http.url(url).get();
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}
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String title = albumDoc.title();
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if (!title.contains(" - Imgur")
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|| title.contains("'s albums")) {
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throw new IOException("No title found");
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}
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title = title.replaceAll(" - Imgur.*", "");
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return "imgur_" + gid + " (" + title + ")";
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} catch (IOException e) {
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// Fall back to default album naming convention
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}
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}
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return getHost() + "_" + gid;
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}
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@Override
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public void rip() throws IOException {
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switch (albumType) {
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case ALBUM:
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// Fall-through
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case USER_ALBUM:
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ripAlbum(this.url);
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break;
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case SERIES_OF_IMAGES:
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ripAlbum(this.url);
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break;
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case USER:
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ripUserAccount(url);
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break;
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case SUBREDDIT:
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ripSubreddit(url);
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break;
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case USER_IMAGES:
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ripUserImages(url);
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break;
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}
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waitForThreads();
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}
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private void ripAlbum(URL url) throws IOException {
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ripAlbum(url, "");
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}
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private void ripAlbum(URL url, String subdirectory) throws IOException {
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int index = 0;
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this.sendUpdate(STATUS.LOADING_RESOURCE, url.toExternalForm());
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index = 0;
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ImgurAlbum album = getImgurAlbum(url);
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for (ImgurImage imgurImage : album.images) {
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stopCheck();
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String saveAs = workingDir.getCanonicalPath();
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if (!saveAs.endsWith(File.separator)) {
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saveAs += File.separator;
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}
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if (subdirectory != null && !subdirectory.equals("")) {
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saveAs += subdirectory;
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}
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if (!saveAs.endsWith(File.separator)) {
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saveAs += File.separator;
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}
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File subdirFile = new File(saveAs);
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if (!subdirFile.exists()) {
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subdirFile.mkdirs();
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}
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index += 1;
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if (Utils.getConfigBoolean("download.save_order", true)) {
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saveAs += String.format("%03d_", index);
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}
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saveAs += imgurImage.getSaveAs();
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addURLToDownload(imgurImage.url, new File(saveAs));
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}
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}
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public static ImgurAlbum getImgurAlbum(URL url) throws IOException {
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logger.info(" Retrieving " + url.toExternalForm());
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Document doc = Jsoup.connect(url.toExternalForm())
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.userAgent(USER_AGENT)
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.timeout(10 * 1000)
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.maxBodySize(0)
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.get();
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// Try to use embedded JSON to retrieve images
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Pattern p = Pattern.compile("^.*Imgur\\.Album\\.getInstance\\((.*?)\\);.*$", Pattern.DOTALL);
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Matcher m = p.matcher(doc.body().html());
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if (m.matches()) {
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try {
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JSONObject json = new JSONObject(m.group(1));
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JSONObject jsonAlbum = json.getJSONObject("album");
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ImgurAlbum imgurAlbum = new ImgurAlbum(url, jsonAlbum.getString("title_clean"));
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JSONArray images = json.getJSONObject("images").getJSONArray("images");
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int imagesLength = images.length();
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for (int i = 0; i < imagesLength; i++) {
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JSONObject image = images.getJSONObject(i);
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URL imageURL = new URL(
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// CDN url is provided elsewhere in the document
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"http://i.imgur.com/"
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+ image.get("hash")
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+ image.get("ext"));
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ImgurImage imgurImage = new ImgurImage(imageURL,
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image.getString("title"),
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image.getString("description"));
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imgurAlbum.addImage(imgurImage);
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}
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return imgurAlbum;
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} catch (JSONException e) {
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logger.debug("Error while parsing JSON at " + url + ", continuing", e);
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}
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}
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p = Pattern.compile("^.*widgetFactory.mergeConfig\\('gallery', (.*?)\\);.*$", Pattern.DOTALL);
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m = p.matcher(doc.body().html());
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if (m.matches()) {
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try {
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ImgurAlbum imgurAlbum = new ImgurAlbum(url);
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JSONObject json = new JSONObject(m.group(1));
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JSONArray images = json.getJSONObject("image")
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.getJSONObject("album_images")
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.getJSONArray("images");
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int imagesLength = images.length();
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for (int i = 0; i < imagesLength; i++) {
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JSONObject image = images.getJSONObject(i);
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URL imageURL = new URL(
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"http://i.imgur.com/"
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+ image.getString("hash")
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+ image.getString("ext"));
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ImgurImage imgurImage = new ImgurImage(imageURL);
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imgurImage.extension = image.getString("ext");
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imgurAlbum.addImage(imgurImage);
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}
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return imgurAlbum;
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} catch (JSONException e) {
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logger.debug("Error while parsing JSON at " + url + ", continuing", e);
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}
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}
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// TODO If album is empty, use this to check for cached images:
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// http://i.rarchives.com/search.cgi?cache=http://imgur.com/a/albumID
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// At the least, get the thumbnails.
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logger.info("[!] Falling back to /noscript method");
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String newUrl = url.toExternalForm() + "/noscript";
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logger.info(" Retrieving " + newUrl);
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doc = Jsoup.connect(newUrl)
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.userAgent(USER_AGENT)
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.get();
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// Fall back to parsing HTML elements
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// NOTE: This does not always get the highest-resolution images!
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ImgurAlbum imgurAlbum = new ImgurAlbum(url);
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for (Element thumb : doc.select("div.image")) {
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String image;
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if (thumb.select("a.zoom").size() > 0) {
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// Clickably full-size
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image = "http:" + thumb.select("a").attr("href");
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} else if (thumb.select("img").size() > 0) {
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image = "http:" + thumb.select("img").attr("src");
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} else {
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// Unable to find image in this div
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logger.error("[!] Unable to find image in div: " + thumb.toString());
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continue;
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}
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ImgurImage imgurImage = new ImgurImage(new URL(image));
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imgurAlbum.addImage(imgurImage);
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}
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return imgurAlbum;
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}
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/**
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* Rips all albums in an imgur user's account.
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* @param url
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* URL to imgur user account (http://username.imgur.com)
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* @throws IOException
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*/
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private void ripUserAccount(URL url) throws IOException {
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logger.info("Retrieving " + url);
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sendUpdate(STATUS.LOADING_RESOURCE, url.toExternalForm());
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Document doc = Http.url(url).get();
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for (Element album : doc.select("div.cover a")) {
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stopCheck();
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if (!album.hasAttr("href")
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|| !album.attr("href").contains("imgur.com/a/")) {
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continue;
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}
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String albumID = album.attr("href").substring(album.attr("href").lastIndexOf('/') + 1);
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URL albumURL = new URL("http:" + album.attr("href") + "/noscript");
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try {
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ripAlbum(albumURL, albumID);
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Thread.sleep(SLEEP_BETWEEN_ALBUMS * 1000);
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} catch (Exception e) {
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logger.error("Error while ripping album: " + e.getMessage(), e);
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continue;
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}
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}
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}
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private void ripUserImages(URL url) throws IOException {
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int page = 0; int imagesFound = 0; int imagesTotal = 0;
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String jsonUrl = url.toExternalForm().replace("/all", "/ajax/images");
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if (jsonUrl.contains("#")) {
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jsonUrl = jsonUrl.substring(0, jsonUrl.indexOf("#"));
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}
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while (true) {
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try {
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page++;
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String jsonUrlWithParams = jsonUrl + "?sort=0&order=1&album=0&page=" + page + "&perPage=60";
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JSONObject json = Http.url(jsonUrlWithParams).getJSON();
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JSONObject jsonData = json.getJSONObject("data");
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if (jsonData.has("count")) {
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imagesTotal = jsonData.getInt("count");
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}
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JSONArray images = jsonData.getJSONArray("images");
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for (int i = 0; i < images.length(); i++) {
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imagesFound++;
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JSONObject image = images.getJSONObject(i);
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String imageUrl = "http://i.imgur.com/" + image.getString("hash") + image.getString("ext");
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String prefix = "";
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if (Utils.getConfigBoolean("download.save_order", true)) {
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prefix = String.format("%03d_", imagesFound);
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}
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addURLToDownload(new URL(imageUrl), prefix);
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}
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if (imagesFound >= imagesTotal) {
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break;
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}
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Thread.sleep(1000);
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} catch (Exception e) {
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logger.error("Error while ripping user images: " + e.getMessage(), e);
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break;
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}
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}
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}
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private void ripSubreddit(URL url) throws IOException {
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int page = 0;
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while (true) {
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stopCheck();
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String pageURL = url.toExternalForm();
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if (!pageURL.endsWith("/")) {
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pageURL += "/";
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}
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pageURL += "page/" + page + "/miss?scrolled";
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logger.info(" Retrieving " + pageURL);
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Document doc = Http.url(pageURL).get();
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Elements imgs = doc.select(".post img");
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for (Element img : imgs) {
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String image = img.attr("src");
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if (image.startsWith("//")) {
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image = "http:" + image;
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}
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if (image.contains("b.")) {
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image = image.replace("b.", ".");
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}
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URL imageURL = new URL(image);
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addURLToDownload(imageURL);
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}
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if (imgs.size() == 0) {
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break;
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}
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page++;
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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logger.error("Interrupted while waiting to load next album: ", e);
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break;
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}
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}
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}
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@Override
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public String getHost() {
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return HOST;
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}
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@Override
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public String getGID(URL url) throws MalformedURLException {
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Pattern p = Pattern.compile("^https?://(m\\.)?imgur\\.com/a/([a-zA-Z0-9]{5,8}).*$");
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Matcher m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Imgur album
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albumType = ALBUM_TYPE.ALBUM;
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String gid = m.group(m.groupCount());
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this.url = new URL("http://imgur.com/a/" + gid);
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return gid;
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}
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p = Pattern.compile("^https?://(m\\.)?imgur\\.com/gallery/([a-zA-Z0-9]{5,8}).*$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Imgur gallery
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albumType = ALBUM_TYPE.ALBUM;
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String gid = m.group(m.groupCount());
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this.url = new URL("http://imgur.com/a/" + gid);
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return gid;
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}
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p = Pattern.compile("^https?://([a-zA-Z0-9\\-]{3,})\\.imgur\\.com/?$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Root imgur account
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String gid = m.group(1);
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if (gid.equals("www")) {
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throw new MalformedURLException("Cannot rip the www.imgur.com homepage");
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}
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albumType = ALBUM_TYPE.USER;
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return gid;
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}
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p = Pattern.compile("^https?://([a-zA-Z0-9\\-]{3,})\\.imgur\\.com/all.*$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Imgur account images
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albumType = ALBUM_TYPE.USER_IMAGES;
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return m.group(1) + "_images";
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}
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p = Pattern.compile("^https?://([a-zA-Z0-9\\-]{3,})\\.imgur\\.com/([a-zA-Z0-9\\-_]+).*$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Imgur account album
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albumType = ALBUM_TYPE.USER_ALBUM;
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return m.group(1) + "-" + m.group(2);
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}
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p = Pattern.compile("^https?://(www\\.)?imgur\\.com/r/([a-zA-Z0-9\\-_]{3,})(/top|/new)?(/all|/year|/month|/week)?/?$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Imgur subreddit aggregator
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albumType = ALBUM_TYPE.SUBREDDIT;
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String album = m.group(2);
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for (int i = 3; i <= m.groupCount(); i++) {
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if (m.group(i) != null) {
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album += "_" + m.group(i).replace("/", "");
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}
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}
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return album;
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}
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p = Pattern.compile("^https?://(i\\.)?imgur\\.com/([a-zA-Z0-9,]{5,}).*$");
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m = p.matcher(url.toExternalForm());
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if (m.matches()) {
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// Series of imgur images
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albumType = ALBUM_TYPE.SERIES_OF_IMAGES;
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String gid = m.group(m.groupCount());
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if (!gid.contains(",")) {
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throw new MalformedURLException("Imgur image doesn't contain commas");
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}
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return gid.replaceAll(",", "-");
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}
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throw new MalformedURLException("Unsupported imgur URL format: " + url.toExternalForm());
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}
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public ALBUM_TYPE getAlbumType() {
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return albumType;
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}
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public static class ImgurImage {
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public String title = "",
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description = "",
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extension = "";
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public URL url = null;
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public ImgurImage(URL url) {
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this.url = url;
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String tempUrl = url.toExternalForm();
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this.extension = tempUrl.substring(tempUrl.lastIndexOf('.'));
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if (this.extension.contains("?")) {
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this.extension = this.extension.substring(0, this.extension.indexOf("?"));
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}
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}
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public ImgurImage(URL url, String title) {
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this(url);
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this.title = title;
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}
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public ImgurImage(URL url, String title, String description) {
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this(url, title);
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this.description = description;
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}
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public String getSaveAs() {
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String saveAs = this.title;
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String u = url.toExternalForm();
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if (u.contains("?")) {
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u = u.substring(0, u.indexOf("?"));
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}
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String imgId = u.substring(u.lastIndexOf('/') + 1, u.lastIndexOf('.'));
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if (saveAs == null || saveAs.equals("")) {
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saveAs = imgId;
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} else {
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saveAs = saveAs + "_" + imgId;
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}
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saveAs = Utils.filesystemSafe(saveAs);
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return saveAs + this.extension;
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}
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}
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public static class ImgurAlbum {
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public String title = null;
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public URL url = null;
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public List<ImgurImage> images = new ArrayList<ImgurImage>();
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public ImgurAlbum(URL url) {
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this.url = url;
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}
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public ImgurAlbum(URL url, String title) {
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this(url);
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this.title = title;
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}
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public void addImage(ImgurImage image) {
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images.add(image);
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}
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}
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} |