VSCO Ripper Start

Just started the VSCO ripper by emulating another ripper and the instructions
from the wiki. Not yet functional, this commit is just to back stuff up.

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

@@ -0,0 +1,116 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import com.rarchives.ripme.ripper.AbstractHTMLRipper;
+import com.rarchives.ripme.ripper.AlbumRipper;
+import com.rarchives.ripme.utils.Http;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+
+/**
+ * For ripping VSCO members' pages.
+ */
+public class VscoRipper extends AbstractHTMLRipper{
+
+    private static final String DOMAIN = "vsco.co",
+                        HOST   = "vsco";
+    
+    public VscoRipper(URL url) throws IOException{
+        super(url);
+    }
+    
+    @Override
+    public boolean canRip(URL url) {
+        if (!url.getHost().endsWith(DOMAIN)) {
+            return false;
+        }
+        // Ignores personalized things (e.g. login, feed) and store page
+        // Allows links to user profiles and links to images.
+        //TODO: Add support for journals and collections.
+        String u = url.toExternalForm();
+        return !u.contains("/store")    ||
+               !u.contains("/feed")     ||
+               !u.contains("/login")    ||
+               !u.contains("/journal")   ||
+               !u.contains("/collection")||
+                u.contains("images")    ||
+                u.contains("media");   
+        
+    }
+
+    @Override
+    public URL sanitizeURL(URL url) throws MalformedURLException {
+        //no sanitization needed.
+        return url;
+    }
+
+    @Override
+    public void rip() throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p = Pattern.compile("^https?://vsco\\.co/([a-zA-Z0-9]+)/media/([a-zA-Z0-9]+)");
+        Matcher m = p.matcher(url.toExternalForm());
+        if (!m.matches()){
+            throw new MalformedURLException("Expected " + DOMAIN + " URL format: " +
+                        "vsco.co/username/media/postNumber - got " + url + " instead");
+            
+        }
+        // Return the text contained between () in the regex
+        String user = m.group(1);
+        String imageNum = m.group(2);
+        
+        return user + "/" + imageNum;
+        
+    }
+
+    @Override
+    public String getDomain() {
+        return DOMAIN;
+    }
+
+    @Override
+    public Document getFirstPage() throws IOException {
+        return Http.url(url).get();
+    }
+    
+    @Override
+    public Document getNextPage(Document doc) throws IOException {
+        return super.getNextPage(doc);
+    }
+    @Override
+    public List<String> getURLsFromPage(Document page) {
+        List<String> result = new ArrayList<>();
+        
+        //get them from page
+        for(Element el : page.select("meta.og:image")){
+            //MUST replace im.vsco instead of just "im" because the URL to image could contain string "im"
+            result.add(
+                    el.attr("content").replaceFirst("im.vsco", "images.vsco")); //sanitize
+            
+        }
+        
+
+        
+        return result;
+    }
+
+    @Override
+    public void downloadURL(URL url, int index) {
+        addURLToDownload(url, getPrefix(index));
+    }
+    
+}