added origin whitelist config option

eaglercraftbungee/src/main/java/net/md_5/bungee/api/config/ConfigurationAdapter.java

@@ -32,6 +32,10 @@ public interface ConfigurationAdapter {
 	
 	boolean getBlacklistOriginless();
 	
+	boolean getSimpleWhitelistEnabled();
+	
+	Collection<String> getBlacklistSimpleWhitelist();
+	
 	AuthServiceInfo getAuthSettings();
 
 	Map<String, Object> getMap();

eaglercraftbungee/src/main/java/net/md_5/bungee/config/YamlConfig.java

@@ -320,4 +320,22 @@ public class YamlConfig implements ConfigurationAdapter {
 		return this.getBoolean("origin_blacklist_block_missing_origin_header", false);
 	}
 
+	@Override
+	public boolean getSimpleWhitelistEnabled() {
+		return this.getBoolean("origin_blacklist_use_simple_whitelist", false);
+	}
+
+	@Override
+	public Collection<String> getBlacklistSimpleWhitelist() {
+		Collection<String> c = this.get("origin_blacklist_simple_whitelist", null);
+		if(c == null) {
+			c = new ArrayList();
+			c.add("type the name of your client's domain here");
+			c.add("(if 'origin_blacklist_use_simple_whitelist' is true)");
+			c.add("g.eags.us");
+			c = this.get("origin_blacklist_simple_whitelist", c);
+		}
+		return c;
+	}
+	
 }

eaglercraftbungee/src/main/java/net/md_5/bungee/eaglercraft/DomainBlacklist.java

@@ -14,6 +14,7 @@ import java.net.URLConnection;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.List;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
@@ -25,10 +26,13 @@ public class DomainBlacklist {
 	public static final Collection<Pattern> regexBlacklist = new ArrayList();
 	public static final Collection<Pattern> regexLocalBlacklist = new ArrayList();
 	public static final Collection<Pattern> regexBlacklistReplit = new ArrayList();
+	public static final Collection<String> simpleWhitelist = new ArrayList();
 	public static final File localBlacklist = new File("origin_blacklist.txt");
 	private static Collection<String> blacklistSubscriptions = null;
 	private static boolean blockOfflineDownload = false;
 	private static boolean blockAllReplits = false;
+	private static boolean localWhitelistMode = false;
+	private static boolean simpleWhitelistMode = false;
 	private static final HashSet<String> brokenURLs = new HashSet();
 	private static final HashSet<String> brokenRegex = new HashSet();
 
@@ -51,6 +55,24 @@ public class DomainBlacklist {
 			if(blockOfflineDownload && origin.equalsIgnoreCase("null")) {
 				return true;
 			}
+			if(simpleWhitelistMode) {
+				for(String st : simpleWhitelist) {
+					if(origin.equalsIgnoreCase(st)) {
+						return false;
+					}
+				}
+			}
+			if(localWhitelistMode || simpleWhitelistMode) {
+				if(!blockOfflineDownload && origin.equalsIgnoreCase("null")) {
+					return false;
+				}
+				for(Pattern m : regexLocalBlacklist) {
+					if(m.matcher(origin).matches()) {
+						return false;
+					}
+				}
+				return true;
+			}else {
 				if(blockAllReplits) {
 					for(Pattern m : regexBlacklistReplitInternal) {
 						if(m.matcher(origin).matches()) {
@@ -73,9 +95,10 @@ public class DomainBlacklist {
 						return true;
 					}
 				}
-		}
 				return false;
 			}
+		}
+	}
 	
 	public static void init(BungeeCord bg) {
 		synchronized(regexBlacklist) {
@@ -84,10 +107,13 @@ public class DomainBlacklist {
 			regexBlacklist.clear();
 			regexLocalBlacklist.clear();
 			regexBlacklistReplit.clear();
+			simpleWhitelist.clear();
 			ConfigurationAdapter cfg = bg.getConfigurationAdapter();
 			blacklistSubscriptions = cfg.getBlacklistURLs();
 			blockOfflineDownload = cfg.getBlacklistOfflineDownload();
 			blockAllReplits = cfg.getBlacklistReplits();
+			simpleWhitelistMode = cfg.getSimpleWhitelistEnabled();
+			simpleWhitelist.addAll(cfg.getBlacklistSimpleWhitelist());
 			lastLocalUpdate = 0l;
 			lastUpdate = System.currentTimeMillis() - updateRate - 1000l;
 			update();
@@ -199,21 +225,48 @@ public class DomainBlacklist {
 					try {
 						BufferedReader is = new BufferedReader(new FileReader(localBlacklist));
 						regexLocalBlacklist.clear();
+						localWhitelistMode = false;
+						boolean foundWhitelistStatement = false;
 						String ss;
 						while((ss = is.readLine()) != null) {
 							try {
 								if((ss = ss.trim()).length() > 0) {
+									if(!ss.startsWith("#")) {
 										regexLocalBlacklist.add(Pattern.compile(ss));
+									}else {
+										String st = ss.substring(1).trim();
+										if(st.startsWith("whitelistMode:")) {
+											foundWhitelistStatement = true;
+											String str = st.substring(14).trim().toLowerCase();
+											localWhitelistMode = str.equals("true") || str.equals("on") || str.equals("1");
+										}
+									}
 								}
 							}catch(PatternSyntaxException shit) {
-								System.err.println("ERROR: the local blacklist regex '" + ss + "' is invalid");
+								System.err.println("ERROR: the local " + (localWhitelistMode ? "whitelist" : "blacklist") + " regex '" + ss + "' is invalid");
 							}
 						}
 						is.close();
+						if(!foundWhitelistStatement) {
+							List<String> newLines = new ArrayList();
+							newLines.add("#whitelistMode: false");
+							newLines.add("");
+							BufferedReader is2 = new BufferedReader(new FileReader(localBlacklist));
+							while((ss = is2.readLine()) != null) {
+								newLines.add(ss);
+							}
+							is2.close();
+							PrintWriter os = new PrintWriter(new FileWriter(localBlacklist));
+							for(String str : newLines) {
+								os.println(str);
+							}
+							os.close();
+							lastLocalUpdate = localBlacklist.lastModified();
+						}
 						System.out.println("Reloaded '" + localBlacklist.getName() + "'.");
 					}catch(IOException ex) {
 						regexLocalBlacklist.clear();
-						System.err.println("ERROR: failed to read local blacklist file '" + localBlacklist.getName() + "'");
+						System.err.println("ERROR: failed to read local " + (localWhitelistMode ? "whitelist" : "blacklist") + " file '" + localBlacklist.getName() + "'");
 						ex.printStackTrace();
 					}
 				}
@@ -245,6 +298,10 @@ public class DomainBlacklist {
 				// ?
 			}
 		}
+		if(lines.isEmpty()) {
+			lines.add("#whitelist false");
+			lines.add("");
+		}
 		if(!lines.contains(p)) {
 			lines.add(p);
 			try {