Added Nijiperms bridge detection, allowing DinnerPerms to no longer conflict with everything else by default.

src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java

@@ -15,12 +15,11 @@ public class DinnerPermsResolver implements PermissionsResolver {
     public DinnerPermsResolver(Server server) {
         this.server = server;
     }
-    @Override
+
     public void load() {
         // Permissions are already loaded
     }
 
-    @Override
     public boolean hasPermission(String name, String permission) {
         Player player = server.getPlayer(name);
         if (player == null)
@@ -41,12 +40,10 @@ public class DinnerPermsResolver implements PermissionsResolver {
         return false;
     }
 
-    @Override
     public boolean hasPermission(String worldName, String name, String permission) {
         return hasPermission(name, permission); // no per-world ability to check permissions in dinnerperms
     }
 
-    @Override
     public boolean inGroup(String name, String group) {
         Player player = server.getPlayer(name);
         if (player == null)
@@ -54,7 +51,6 @@ public class DinnerPermsResolver implements PermissionsResolver {
         return player.hasPermission(GROUP_PREFIX + group);
     }
 
-    @Override
     public String[] getGroups(String name) {
         Player player = server.getPlayer(name);
         if (player == null)

src/main/java/com/sk89q/bukkit/migration/NijiPermissionsResolver.java

@@ -19,7 +19,9 @@
 
 package com.sk89q.bukkit.migration;
 
+import com.sun.xml.internal.fastinfoset.algorithm.BooleanEncodingAlgorithm;
 import org.bukkit.Server;
+import org.bukkit.command.PluginCommand;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginManager;
@@ -33,7 +35,7 @@ public class NijiPermissionsResolver implements PermissionsResolver {
         
     }
     
-    public NijiPermissionsResolver(Server server)
+    public NijiPermissionsResolver(Server server, boolean ignoreBridges)
             throws PluginAccessException, MissingPluginException {
         this.server = server;
         PluginManager manager = server.getPluginManager();
@@ -42,6 +44,8 @@ public class NijiPermissionsResolver implements PermissionsResolver {
         if (plugin == null) {
             throw new MissingPluginException();
         }
+        if (!checkRealNijiPerms(plugin, ignoreBridges))
+            throw new MissingPluginException();
         
         try {
             api = (Permissions)plugin;
@@ -126,4 +130,15 @@ public class NijiPermissionsResolver implements PermissionsResolver {
     public static class MissingPluginException extends Exception {
         private static final long serialVersionUID = 7044832912491608706L;
     }
+
+    public static boolean checkRealNijiPerms(Plugin plugin, boolean ignoreBridges) {
+        if (!ignoreBridges)
+            return true;
+        PluginCommand permsCommand = plugin.getServer().getPluginCommand("permissions");
+        if (permsCommand == null)
+            return false;
+        if (!permsCommand.getPlugin().getDescription().getName().equals("Permissions"))
+            return false;
+        return true;
+    }
 }

src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java

@@ -56,6 +56,7 @@ public class PermissionsResolverManager implements PermissionsResolver {
     private Configuration permsConfig;
     private String name;
     private Logger logger;
+    protected boolean ignoreNijiPermsBridges;
 
     public PermissionsResolverManager(Configuration config, Server server, String name, Logger logger) {
         this.server = server;
@@ -65,9 +66,9 @@ public class PermissionsResolverManager implements PermissionsResolver {
         findResolver();
     }
     public void findResolver() {
-        if (tryDinnerPerms()) return;
         if (tryPluginPermissionsResolver()) return;
         if (tryNijiPermissions()) return;
+        if (tryDinnerPerms()) return;
         if (tryFlatFilePermissions()) return;
         
         perms = new ConfigurationPermissionsResolver(permsConfig);
@@ -76,7 +77,7 @@ public class PermissionsResolverManager implements PermissionsResolver {
     
     private boolean tryNijiPermissions() {
         try {
-            perms = new NijiPermissionsResolver(server);
+            perms = new NijiPermissionsResolver(server, ignoreNijiPermsBridges);
             logger.info(name + ": Permissions plugin detected! Using Permissions plugin for permissions.");
             return true;
         } catch (Throwable e) {
@@ -164,6 +165,11 @@ public class PermissionsResolverManager implements PermissionsResolver {
             permsConfig.setProperty("dinnerperms", permsConfig.getBoolean("dinner-perms", true));
             isUpdated = true;
         }
+        if (!keys.contains("ignore-nijiperms-bridges")) {
+            permsConfig.setProperty("ignore-nijiperms-bridges", true);
+            isUpdated = true;
+        }
+        ignoreNijiPermsBridges = permsConfig.getBoolean("ignore-nijiperms-bridges", true);
         if (keys.contains("dinner-perms")) {
             permsConfig.removeProperty("dinner-perms");
             isUpdated = true;

src/main/java/com/sk89q/bukkit/migration/PermissionsResolverServerListener.java

@@ -26,6 +26,8 @@ import org.bukkit.event.server.PluginEnableEvent;
 import org.bukkit.event.server.ServerListener;
 import org.bukkit.plugin.Plugin;
 
+import java.util.Map;
+
 public class PermissionsResolverServerListener extends ServerListener {
     private PermissionsResolverManager manager;
     
@@ -42,10 +44,10 @@ public class PermissionsResolverServerListener extends ServerListener {
     public void onPluginEnable(PluginEnableEvent event) {
         Plugin plugin = event.getPlugin();
         String name = plugin.getDescription().getName();
-        
         if (plugin instanceof PermissionsProvider) {
             manager.setPluginPermissionsResolver(plugin);
-        } else if (name.equalsIgnoreCase("GroupUsers") || name.equalsIgnoreCase("Permissions")) {
+        } else if (name.equalsIgnoreCase("Permissions") &&
+                NijiPermissionsResolver.checkRealNijiPerms(plugin, manager.ignoreNijiPermsBridges)) {
             manager.findResolver();
             manager.load();
         }
@@ -62,8 +64,8 @@ public class PermissionsResolverServerListener extends ServerListener {
         String name = plugin.getDescription().getName();
         
         if (plugin instanceof PermissionsProvider
-                || name.equalsIgnoreCase("GroupUsers")
+                || (name.equalsIgnoreCase("Permissions") &&
-                || name.equalsIgnoreCase("Permissions")) {
+                NijiPermissionsResolver.checkRealNijiPerms(plugin, manager.ignoreNijiPermsBridges))) {
             manager.findResolver();
             manager.load();
         }