From cb7ec829059ef8e57701521d1604fd5083e0c817 Mon Sep 17 00:00:00 2001
From: zml2008 <zach@zachsthings.com>
Date: Mon, 1 Aug 2011 21:02:15 -0700
Subject: [PATCH] Added DinnerPerms support to WEPIF

---
 .../bukkit/migration/DinnerPermsResolver.java | 71 +++++++++++++++++++
 .../migration/PermissionsResolverManager.java | 13 +++-
 src/main/resources/config.yml                 |  1 +
 3 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java

diff --git a/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java b/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java
new file mode 100644
index 000000000..00de147c9
--- /dev/null
+++ b/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java
@@ -0,0 +1,71 @@
+package com.sk89q.bukkit.migration;
+
+import org.bukkit.Server;
+import org.bukkit.entity.Player;
+import org.bukkit.permissions.PermissionAttachmentInfo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DinnerPermsResolver implements PermissionsResolver {
+
+    private static final String GROUP_PREFIX = "group.";
+    private final Server server;
+
+    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)
+            return false; // Permissions are only registered for online players
+        if ( player.hasPermission("*")  || player.hasPermission(permission))
+            return true;
+        int i = 0;
+        while (i <= permission.length() + 1) {
+            int dotPos = permission.indexOf(".", i);
+            if (dotPos > -1) {
+                if (player.hasPermission(permission.substring(0, dotPos + 1) + "*"))
+                    return true;
+                i += dotPos;
+            } else {
+                break;
+            }
+        }
+        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)
+            return false;
+        return player.hasPermission(GROUP_PREFIX + group);
+    }
+
+    @Override
+    public String[] getGroups(String name) {
+        Player player = server.getPlayer(name);
+        if (player == null)
+            return new String[0];
+        List<String> groupNames = new ArrayList<String>();
+        for (PermissionAttachmentInfo permAttach : player.getEffectivePermissions()) {
+            String perm = permAttach.getPermission();
+            if (!perm.startsWith(GROUP_PREFIX))
+                continue;
+            groupNames.add(perm.substring(perm.indexOf(GROUP_PREFIX), perm.length()));
+        }
+        return groupNames.toArray(new String[groupNames.size()]);
+    }
+}
diff --git a/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java b/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java
index 487a956f9..48b328989 100644
--- a/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java
+++ b/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java
@@ -44,6 +44,7 @@ public class PermissionsResolverManager implements PermissionsResolver {
         if (tryPluginPermissionsResolver()) return;
         if (tryNijiPermissions()) return;
         if (tryFlatFilePermissions()) return;
+        if (tryDinnerPerms()) return;
         
         perms = new ConfigurationPermissionsResolver(config);
         logger.info(name + ": No known permissions plugin detected. Using configuration file for permissions.");
@@ -75,13 +76,21 @@ public class PermissionsResolverManager implements PermissionsResolver {
                 perms = new PluginPermissionsResolver(
                         (PermissionsProvider) plugin);
                 logger.info(name + ": Using plugin '"
-                        + plugin.getDescription().getName() + " for permissions.");
+                        + plugin.getDescription().getName() + "' for permissions.");
                 return true;
             }
         }
         
         return false;
     }
+
+    private boolean tryDinnerPerms() {
+        if (!config.getBoolean("permissions.dinner-perms", true))
+            return false;
+        perms = new DinnerPermsResolver(server);
+        logger.info(name + ": Using the Bukkit Permissions API.");
+        return true;
+    }
     
     public void setPluginPermissionsResolver(Plugin plugin) {
         if (!(plugin instanceof PermissionsProvider)) {
@@ -91,7 +100,7 @@ public class PermissionsResolverManager implements PermissionsResolver {
         perms = new PluginPermissionsResolver(
                 (PermissionsProvider) plugin);
         logger.info(name + ": Using plugin '"
-                + plugin.getDescription().getName() + " for permissions.");
+                + plugin.getDescription().getName() + "' for permissions.");
     }
 
     public void load() {
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 9eca0c4f7..c4d874541 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -63,6 +63,7 @@ debug: false
 # See http://wiki.sk89q.com/wiki/WorldEdit/Permissions/Bukkit
 # Now with multiworld support (see example)
 permissions:
+    dinner-perms: true
     groups:
         default:
             permissions: