Adding several Mastodon instance rippers

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

@@ -0,0 +1,20 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+public class ArtAlleyRipper extends MastodonRipper {
+    public ArtAlleyRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "artalley";
+    }
+
+    @Override
+    public String getDomain() {
+        return "artalley.social";
+    }
+}

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

@@ -0,0 +1,20 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+public class BaraagRipper extends MastodonRipper {
+    public BaraagRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "baraag";
+    }
+
+    @Override
+    public String getDomain() {
+        return "baraag.net";
+    }
+}

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

@@ -0,0 +1,96 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.json.JSONObject;
+import org.json.JSONArray;
+
+import com.rarchives.ripme.ripper.AbstractHTMLRipper;
+import com.rarchives.ripme.utils.Http;
+
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+public class MastodonRipper extends AbstractHTMLRipper {
+    private Map<String, String> itemIDs = Collections.synchronizedMap(new HashMap<String, String>());
+
+    public MastodonRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "mastodon";
+    }
+
+    @Override
+    public String getDomain() {
+        return "mastodon.social";
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p = Pattern.compile("^https?://(" + getDomain() + ")/@([a-zA-Z0-9_-]+)(/media/?)?$");
+        Matcher m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            // Return the text contained between () in the regex
+            return m.group(1) + "@" + m.group(2);
+        }
+        throw new MalformedURLException(
+                "Expected " + getDomain() + " URL format: " +
+                getDomain() + "/@username - got " + url + " instead");
+    }
+
+    @Override
+    public Document getFirstPage() throws IOException {
+        Pattern p = Pattern.compile("^/@[a-zA-Z0-9_-]+/media/?$");
+        Matcher m = p.matcher(url.getPath());
+        if (m.matches()) {
+            return Http.url(url).get();
+        }
+        return Http.url(url.toExternalForm().replaceAll("/$", "") + "/media").get();
+    }
+
+    @Override
+    public Document getNextPage(Document doc) throws IOException {
+        Elements hrefs = doc.select(".h-entry + .entry > a.load-more.load-gap");
+        if (hrefs.isEmpty()) {
+            throw new IOException("No more pages");
+        }
+        String nextUrl = hrefs.last().attr("href");
+        sleep(500);
+        return Http.url(nextUrl).get();
+    }
+
+    @Override
+    public List<String> getURLsFromPage(Document doc) {
+        List<String> result = new ArrayList<String>();
+        for (Element el : doc.select("[data-component=\"MediaGallery\"]")) {
+            String props = el.attr("data-props");
+            JSONObject obj = new JSONObject(props);
+            JSONArray arr = obj.getJSONArray("media");
+            for (int i = 0; i < arr.length(); i++) {
+                String url = arr.getJSONObject(i).getString("url");
+                result.add(url);
+                String id = arr.getJSONObject(i).getString("id");
+                itemIDs.put(url, id);
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public void downloadURL(URL url, int index) {
+        addURLToDownload(url, itemIDs.get(url.toString()) + "_");
+    }
+}

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

@@ -0,0 +1,20 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+public class MastodonXyzRipper extends MastodonRipper {
+    public MastodonXyzRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "mastodonxyz";
+    }
+
+    @Override
+    public String getDomain() {
+        return "mastodon.xyz";
+    }
+}

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

@@ -0,0 +1,20 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+public class PawooRipper extends MastodonRipper {
+    public PawooRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "pawoo";
+    }
+
+    @Override
+    public String getDomain() {
+        return "pawoo.net";
+    }
+}