More progress towards 1.6: implement PermissionService

sponge/src/main/java/me/lucko/luckperms/api/sponge/LuckPermsService.java

@@ -20,14 +20,14 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.service;
+package me.lucko.luckperms.api.sponge;
 
 import com.google.common.collect.ImmutableSet;
 import lombok.*;
 import me.lucko.luckperms.LPSpongePlugin;
-import me.lucko.luckperms.service.collections.GroupCollection;
-import me.lucko.luckperms.service.collections.UserCollection;
-import me.lucko.luckperms.service.simple.SimpleCollection;
+import me.lucko.luckperms.api.sponge.collections.GroupCollection;
+import me.lucko.luckperms.api.sponge.collections.UserCollection;
+import me.lucko.luckperms.api.sponge.simple.SimpleCollection;
 import org.spongepowered.api.plugin.PluginContainer;
 import org.spongepowered.api.service.context.ContextCalculator;
 import org.spongepowered.api.service.permission.*;
@@ -41,6 +41,7 @@ import java.util.stream.Collectors;
 public class LuckPermsService implements PermissionService {
     public static final String SERVER_CONTEXT = "server";
 
+    @Getter
     private final LPSpongePlugin plugin;
 
     @Getter
@@ -103,7 +104,7 @@ public class LuckPermsService implements PermissionService {
     }
 
     @Override
-    public Optional<PermissionDescription> getDescription(String s) {
+    public Optional<PermissionDescription> getDescription(@NonNull String s) {
         for (PermissionDescription d : descriptionSet) {
             if (d.getId().equals(s)) {
                 return Optional.of(d);
@@ -119,7 +120,7 @@ public class LuckPermsService implements PermissionService {
     }
 
     @Override
-    public void registerContextCalculator(ContextCalculator<Subject> contextCalculator) {
+    public void registerContextCalculator(@NonNull ContextCalculator<Subject> contextCalculator) {
         contextCalculators.add(contextCalculator);
     }
 

sponge/src/main/java/me/lucko/luckperms/api/sponge/LuckPermsSubject.java

@@ -0,0 +1,837 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.api.sponge;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NonNull;
+import me.lucko.luckperms.api.Node;
+import me.lucko.luckperms.api.data.Callback;
+import me.lucko.luckperms.core.PermissionHolder;
+import me.lucko.luckperms.exceptions.ObjectAlreadyHasException;
+import me.lucko.luckperms.exceptions.ObjectLacksException;
+import me.lucko.luckperms.groups.Group;
+import me.lucko.luckperms.users.User;
+import org.spongepowered.api.Sponge;
+import org.spongepowered.api.command.CommandSource;
+import org.spongepowered.api.entity.living.player.Player;
+import org.spongepowered.api.service.context.Context;
+import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.SubjectCollection;
+import org.spongepowered.api.service.permission.SubjectData;
+import org.spongepowered.api.util.Tristate;
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+import static me.lucko.luckperms.utils.ArgumentChecker.escapeCharacters;
+import static me.lucko.luckperms.utils.ArgumentChecker.unescapeCharacters;
+
+@AllArgsConstructor
+public class LuckPermsSubject implements Subject {
+    private final EnduringData enduringData;
+    private final TransientData transientData;
+    private final LuckPermsService service;
+
+    public LuckPermsSubject(PermissionHolder holder, LuckPermsService service) {
+        this.enduringData = new EnduringData(this, service, holder);
+        this.transientData = new TransientData(service, holder);
+        this.service = service;
+    }
+
+    private void objectSave(PermissionHolder t) {
+        if (t instanceof User) {
+            ((User) t).refreshPermissions();
+            service.getPlugin().getDatastore().saveUser(((User) t), Callback.empty());
+        }
+        if (t instanceof Group) {
+            service.getPlugin().getDatastore().saveGroup(((Group) t), c -> service.getPlugin().runUpdateTask());
+        }
+    }
+
+    @Override
+    public String getIdentifier() {
+        return enduringData.getHolder().getObjectName();
+    }
+
+    @Override
+    public Optional<CommandSource> getCommandSource() {
+        if (enduringData.getHolder() instanceof User) {
+            final UUID uuid = ((User) enduringData.getHolder()).getUuid();
+
+            Optional<Player> p = Sponge.getServer().getPlayer(uuid);
+            if (p.isPresent()) {
+                return Optional.of(p.get());
+            }
+        }
+
+        return Optional.empty();
+    }
+
+    @Override
+    public SubjectCollection getContainingCollection() {
+        if (enduringData.getHolder() instanceof Group) {
+            return service.getGroupSubjects();
+        } else {
+            return service.getUserSubjects();
+        }
+    }
+
+    @Override
+    public SubjectData getSubjectData() {
+        return enduringData;
+    }
+
+    @Override
+    public SubjectData getTransientSubjectData() {
+        return transientData;
+    }
+
+    @Override
+    public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String node) {
+        return getPermissionValue(contexts, node).asBoolean();
+    }
+
+    @Override
+    public boolean hasPermission(String permission) {
+        return getPermissionValue(getActiveContexts(), permission).asBoolean();
+    }
+
+    @Override
+    public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String node) {
+        Map<String, String> context = new HashMap<>();
+        for (Context c : contexts) {
+            context.put(c.getKey(), c.getValue());
+        }
+
+        me.lucko.luckperms.api.Tristate t = enduringData.getHolder().hasPermission(new me.lucko.luckperms.utils.Node.Builder(node).withExtraContext(context).build());
+        if (t == me.lucko.luckperms.api.Tristate.UNDEFINED) {
+            return Tristate.UNDEFINED;
+        }
+        if (t == me.lucko.luckperms.api.Tristate.TRUE) {
+            return Tristate.TRUE;
+        }
+        if (t == me.lucko.luckperms.api.Tristate.FALSE) {
+            return Tristate.FALSE;
+        }
+
+        return null;
+    }
+
+    @Override
+    public boolean isChildOf(@NonNull Subject parent) {
+        return isChildOf(getActiveContexts(), parent);
+    }
+
+    @Override
+    public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject parent) {
+        return parent instanceof PermissionHolder && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
+    }
+
+    @Override
+    public List<Subject> getParents() {
+        return getParents(getActiveContexts());
+    }
+
+    @Override
+    public List<Subject> getParents(@NonNull Set<Context> contexts) {
+        List<Subject> parents = new ArrayList<>();
+        parents.addAll(enduringData.getParents(contexts));
+        parents.addAll(transientData.getParents(contexts));
+        return ImmutableList.copyOf(parents);
+    }
+
+    @Override
+    public Optional<String> getOption(Set<Context> set, String s) {
+        Map<String, String> enduringOptions = enduringData.getOptions(set);
+        if (enduringOptions.containsKey(s)) {
+            return Optional.of(enduringOptions.get(s));
+        }
+
+        Map<String, String> transientOptions = enduringData.getOptions(set);
+        if (transientOptions.containsKey(s)) {
+            return Optional.of(transientOptions.get(s));
+        }
+
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<String> getOption(String key) {
+        return getOption(getActiveContexts(), key);
+    }
+
+    @Override
+    public Set<Context> getActiveContexts() {
+        return SubjectData.GLOBAL_CONTEXT;
+    }
+
+    @AllArgsConstructor
+    public static class EnduringData implements SubjectData {
+        private final LuckPermsSubject superClass;
+        private final LuckPermsService service;
+
+        @Getter
+        private final PermissionHolder holder;
+
+        @Override
+        public Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
+            Map<Set<Context>, Map<String, Boolean>> perms = new HashMap<>();
+
+            for (Node n : holder.getNodes()) {
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!perms.containsKey(contexts)) {
+                    perms.put(contexts, new HashMap<>());
+                }
+
+                perms.get(contexts).put(n.getPermission(), n.getValue());
+            }
+
+            return ImmutableMap.copyOf(perms);
+        }
+
+        @Override
+        public Map<String, Boolean> getPermissions(Set<Context> set) {
+            return ImmutableMap.copyOf(getAllPermissions().getOrDefault(set, Collections.emptyMap()));
+        }
+
+        @Override
+        public boolean setPermission(Set<Context> set, String s, Tristate tristate) {
+            if (tristate == Tristate.UNDEFINED) {
+                // Unset
+                Node.Builder builder = new me.lucko.luckperms.utils.Node.Builder(s);
+
+                for (Context ct : set) {
+                    builder.withExtraContext(ct.getKey(), ct.getValue());
+                }
+
+                try {
+                    holder.unsetPermission(builder.build());
+                } catch (ObjectLacksException ignored) {}
+                superClass.objectSave(holder);
+                return true;
+            }
+
+            Node.Builder builder = new me.lucko.luckperms.utils.Node.Builder(s)
+                    .setValue(tristate.asBoolean());
+
+            for (Context ct : set) {
+                builder.withExtraContext(ct.getKey(), ct.getValue());
+            }
+
+            try {
+                holder.setPermission(builder.build());
+            } catch (ObjectAlreadyHasException ignored) {}
+            superClass.objectSave(holder);
+            return true;
+        }
+
+        @Override
+        public boolean clearPermissions() {
+            // TODO re-give default nodes?
+
+            holder.getNodes().clear();
+            superClass.objectSave(holder);
+            return true;
+        }
+
+        @Override
+        public boolean clearPermissions(Set<Context> set) {
+            // TODO re-give default nodes?
+
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            superClass.objectSave(holder);
+            return work;
+        }
+
+        @Override
+        public Map<Set<Context>, List<Subject>> getAllParents() {
+            Map<Set<Context>, List<Subject>> parents = new HashMap<>();
+
+            for (Node n : holder.getAllNodes(null)) {
+                if (!n.isGroupNode()) {
+                    continue;
+                }
+
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!parents.containsKey(contexts)) {
+                    parents.put(contexts, new ArrayList<>());
+                }
+
+                parents.get(contexts).add(service.getGroupSubjects().get(n.getGroupName()));
+            }
+
+            return ImmutableMap.copyOf(parents);
+        }
+
+        @Override
+        public List<Subject> getParents(Set<Context> contexts) {
+            return ImmutableList.copyOf(getAllParents().getOrDefault(contexts, Collections.emptyList()));
+        }
+
+        @Override
+        public boolean addParent(Set<Context> set, Subject subject) {
+            if (subject instanceof LuckPermsSubject) {
+                LuckPermsSubject permsSubject = ((LuckPermsSubject) subject);
+
+                Map<String, String> contexts = set.stream()
+                        .map(context -> new AbstractMap.SimpleEntry<>(context.getKey(), context.getValue()))
+                        .collect(Collectors.toMap(AbstractMap.SimpleEntry::getKey, AbstractMap.SimpleEntry::getValue));
+
+                try {
+                    holder.setPermission(new me.lucko.luckperms.utils.Node.Builder("group." + permsSubject.getIdentifier())
+                            .withExtraContext(contexts)
+                            .build());
+                } catch (ObjectAlreadyHasException ignored) {}
+                superClass.objectSave(holder);
+            } else {
+                return false;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean removeParent(Set<Context> set, Subject subject) {
+            if (subject instanceof LuckPermsSubject) {
+                LuckPermsSubject permsSubject = ((LuckPermsSubject) subject);
+
+                Map<String, String> contexts = set.stream()
+                        .map(context -> new AbstractMap.SimpleEntry<>(context.getKey(), context.getValue()))
+                        .collect(Collectors.toMap(AbstractMap.SimpleEntry::getKey, AbstractMap.SimpleEntry::getValue));
+
+                try {
+                    holder.unsetPermission(new me.lucko.luckperms.utils.Node.Builder("group." + permsSubject.getIdentifier())
+                            .withExtraContext(contexts)
+                            .build());
+                } catch (ObjectLacksException ignored) {}
+                superClass.objectSave(holder);
+            } else {
+                return false;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean clearParents() {
+            // TODO re-give default nodes?
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (entry.isGroupNode()) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            superClass.objectSave(holder);
+            return work;
+        }
+
+        @Override
+        public boolean clearParents(Set<Context> set) {
+            // TODO re-give default nodes?
+
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (!entry.isGroupNode()) {
+                    continue;
+                }
+
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            superClass.objectSave(holder);
+            return work;
+        }
+
+        @Override
+        public Map<Set<Context>, Map<String, String>> getAllOptions() {
+            Map<Set<Context>, Map<String, String>> options = new HashMap<>();
+
+            for (Node n : holder.getAllNodes(null)) {
+                if (!n.isMeta()) {
+                    continue;
+                }
+
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!options.containsKey(contexts)) {
+                    options.put(contexts, new HashMap<>());
+                }
+
+                options.get(contexts).put(unescapeCharacters(n.getMeta().getKey()), unescapeCharacters(n.getMeta().getValue()));
+            }
+
+            return ImmutableMap.copyOf(options);
+        }
+
+        @Override
+        public Map<String, String> getOptions(Set<Context> set) {
+            return ImmutableMap.copyOf(getAllOptions().getOrDefault(set, Collections.emptyMap()));
+        }
+
+        @Override
+        public boolean setOption(Set<Context> set, String key, String value) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            key = escapeCharacters(key);
+            value = escapeCharacters(value);
+
+            try {
+                holder.setPermission(new me.lucko.luckperms.utils.Node.Builder("meta." + key + "." + value)
+                        .withExtraContext(context)
+                        .build()
+                );
+            } catch (ObjectAlreadyHasException ignored) {}
+            superClass.objectSave(holder);
+            return true;
+        }
+
+        @Override
+        public boolean clearOptions(Set<Context> set) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (!entry.isMeta()) {
+                    continue;
+                }
+
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            superClass.objectSave(holder);
+            return work;
+        }
+
+        @Override
+        public boolean clearOptions() {
+            boolean work = false;
+            Iterator<Node> iterator = holder.getNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (entry.isMeta()) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            superClass.objectSave(holder);
+            return work;
+        }
+    }
+
+    @AllArgsConstructor
+    public static class TransientData implements SubjectData {
+        private final LuckPermsService service;
+
+        @Getter
+        private final PermissionHolder holder;
+
+        @Override
+        public Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
+            Map<Set<Context>, Map<String, Boolean>> perms = new HashMap<>();
+
+            for (Node n : holder.getTransientNodes()) {
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!perms.containsKey(contexts)) {
+                    perms.put(contexts, new HashMap<>());
+                }
+
+                perms.get(contexts).put(n.getPermission(), n.getValue());
+            }
+
+            return ImmutableMap.copyOf(perms);
+        }
+
+        @Override
+        public Map<String, Boolean> getPermissions(Set<Context> set) {
+            return ImmutableMap.copyOf(getAllPermissions().getOrDefault(set, Collections.emptyMap()));
+        }
+
+        @Override
+        public boolean setPermission(Set<Context> set, String s, Tristate tristate) {
+            if (tristate == Tristate.UNDEFINED) {
+                // Unset
+
+                Node.Builder builder = new me.lucko.luckperms.utils.Node.Builder(s);
+
+                for (Context ct : set) {
+                    builder.withExtraContext(ct.getKey(), ct.getValue());
+                }
+
+                try {
+                    holder.unsetTransientPermission(builder.build());
+                } catch (ObjectLacksException ignored) {}
+                return true;
+            }
+
+            Node.Builder builder = new me.lucko.luckperms.utils.Node.Builder(s)
+                    .setValue(tristate.asBoolean());
+
+            for (Context ct : set) {
+                builder.withExtraContext(ct.getKey(), ct.getValue());
+            }
+
+            try {
+                holder.setTransientPermission(builder.build());
+            } catch (ObjectAlreadyHasException ignored) {}
+            return true;
+        }
+
+        @Override
+        public boolean clearPermissions() {
+            holder.getTransientNodes().clear();
+            return true;
+        }
+
+        @Override
+        public boolean clearPermissions(Set<Context> set) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getTransientNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            return work;
+        }
+
+        @Override
+        public Map<Set<Context>, List<Subject>> getAllParents() {
+            Map<Set<Context>, List<Subject>> parents = new HashMap<>();
+
+            for (Node n : holder.getTransientNodes()) {
+                if (!n.isGroupNode()) {
+                    continue;
+                }
+
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!parents.containsKey(contexts)) {
+                    parents.put(contexts, new ArrayList<>());
+                }
+
+                parents.get(contexts).add(service.getGroupSubjects().get(n.getGroupName()));
+            }
+
+            return ImmutableMap.copyOf(parents);
+        }
+
+        @Override
+        public List<Subject> getParents(Set<Context> contexts) {
+            return ImmutableList.copyOf(getAllParents().getOrDefault(contexts, Collections.emptyList()));
+        }
+
+        @Override
+        public boolean addParent(Set<Context> set, Subject subject) {
+            if (subject instanceof LuckPermsSubject) {
+                LuckPermsSubject permsSubject = ((LuckPermsSubject) subject);
+
+                Map<String, String> contexts = set.stream()
+                        .map(context -> new AbstractMap.SimpleEntry<>(context.getKey(), context.getValue()))
+                        .collect(Collectors.toMap(AbstractMap.SimpleEntry::getKey, AbstractMap.SimpleEntry::getValue));
+
+                try {
+                    holder.setTransientPermission(new me.lucko.luckperms.utils.Node.Builder("group." + permsSubject.getIdentifier())
+                            .withExtraContext(contexts)
+                            .build());
+                } catch (ObjectAlreadyHasException ignored) {}
+            } else {
+                return false;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean removeParent(Set<Context> set, Subject subject) {
+            if (subject instanceof LuckPermsSubject) {
+                LuckPermsSubject permsSubject = ((LuckPermsSubject) subject);
+
+                Map<String, String> contexts = set.stream()
+                        .map(context -> new AbstractMap.SimpleEntry<>(context.getKey(), context.getValue()))
+                        .collect(Collectors.toMap(AbstractMap.SimpleEntry::getKey, AbstractMap.SimpleEntry::getValue));
+
+                try {
+                    holder.unsetTransientPermission(new me.lucko.luckperms.utils.Node.Builder("group." + permsSubject.getIdentifier())
+                            .withExtraContext(contexts)
+                            .build());
+                } catch (ObjectLacksException ignored) {}
+            } else {
+                return false;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean clearParents() {
+            boolean work = false;
+            Iterator<Node> iterator = holder.getTransientNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (entry.isGroupNode()) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            return work;
+        }
+
+        @Override
+        public boolean clearParents(Set<Context> set) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getTransientNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (!entry.isGroupNode()) {
+                    continue;
+                }
+
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            return work;
+        }
+
+        @Override
+        public Map<Set<Context>, Map<String, String>> getAllOptions() {
+            Map<Set<Context>, Map<String, String>> options = new HashMap<>();
+
+            for (Node n : holder.getTransientNodes()) {
+                if (!n.isMeta()) {
+                    continue;
+                }
+
+                Set<Context> contexts = n.getExtraContexts().entrySet().stream()
+                        .map(entry -> new Context(entry.getKey(), entry.getValue()))
+                        .collect(Collectors.toSet());
+
+                if (n.isServerSpecific()) {
+                    contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
+                }
+
+                if (n.isWorldSpecific()) {
+                    contexts.add(new Context(Context.WORLD_KEY, n.getWorld().get()));
+                }
+
+                if (!options.containsKey(contexts)) {
+                    options.put(contexts, new HashMap<>());
+                }
+
+                options.get(contexts).put(unescapeCharacters(n.getMeta().getKey()), unescapeCharacters(n.getMeta().getValue()));
+            }
+
+            return ImmutableMap.copyOf(options);
+        }
+
+        @Override
+        public Map<String, String> getOptions(Set<Context> set) {
+            return ImmutableMap.copyOf(getAllOptions().getOrDefault(set, Collections.emptyMap()));
+        }
+
+        @Override
+        public boolean setOption(Set<Context> set, String key, String value) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            key = escapeCharacters(key);
+            value = escapeCharacters(value);
+
+            try {
+                holder.setTransientPermission(new me.lucko.luckperms.utils.Node.Builder("meta." + key + "." + value)
+                        .withExtraContext(context)
+                        .build()
+                );
+            } catch (ObjectAlreadyHasException ignored) {}
+            return true;
+        }
+
+        @Override
+        public boolean clearOptions(Set<Context> set) {
+            Map<String, String> context = new HashMap<>();
+            for (Context c : set) {
+                context.put(c.getKey(), c.getValue());
+            }
+
+            boolean work = false;
+            Iterator<Node> iterator = holder.getTransientNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (!entry.isMeta()) {
+                    continue;
+                }
+
+                if (entry.shouldApplyWithContext(context)) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            return work;
+        }
+
+        @Override
+        public boolean clearOptions() {
+            boolean work = false;
+            Iterator<Node> iterator = holder.getTransientNodes().iterator();
+
+            while (iterator.hasNext()) {
+                Node entry = iterator.next();
+
+                if (entry.isMeta()) {
+                    iterator.remove();
+                    work = true;
+                }
+            }
+
+            return work;
+        }
+    }
+}

sponge/src/main/java/me/lucko/luckperms/api/sponge/collections/GroupCollection.java

@@ -20,14 +20,14 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.service.collections;
+package me.lucko.luckperms.api.sponge.collections;
 
 import lombok.AllArgsConstructor;
 import lombok.NonNull;
 import me.lucko.luckperms.groups.GroupManager;
-import me.lucko.luckperms.service.LuckPermsService;
-import me.lucko.luckperms.service.simple.SimpleSubject;
-import me.lucko.luckperms.service.wrapping.LuckPermsSubject;
+import me.lucko.luckperms.api.sponge.LuckPermsService;
+import me.lucko.luckperms.api.sponge.simple.SimpleSubject;
+import me.lucko.luckperms.api.sponge.LuckPermsSubject;
 import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.PermissionService;
 import org.spongepowered.api.service.permission.Subject;
@@ -86,6 +86,6 @@ public class GroupCollection implements SubjectCollection {
 
     @Override
     public Subject getDefaults() {
-        return null;
+        return new SimpleSubject("default", service, this);
     }
 }

sponge/src/main/java/me/lucko/luckperms/api/sponge/collections/UserCollection.java

@@ -20,13 +20,13 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.service.collections;
+package me.lucko.luckperms.api.sponge.collections;
 
 import lombok.AllArgsConstructor;
 import lombok.NonNull;
-import me.lucko.luckperms.service.LuckPermsService;
-import me.lucko.luckperms.service.simple.SimpleSubject;
-import me.lucko.luckperms.service.wrapping.LuckPermsSubject;
+import me.lucko.luckperms.api.sponge.LuckPermsService;
+import me.lucko.luckperms.api.sponge.simple.SimpleSubject;
+import me.lucko.luckperms.api.sponge.LuckPermsSubject;
 import me.lucko.luckperms.users.User;
 import me.lucko.luckperms.users.UserManager;
 import org.spongepowered.api.service.context.Context;
@@ -66,7 +66,8 @@ public class UserCollection implements SubjectCollection {
             }
         }
 
-        // Wtf am I meant to do here? What if no user is loaded? Load it? Create it?
+        // What am I meant to do here? What if no user is loaded? Load it? Create it?
+        // If I do load/create it, this method should always be called async??.... errr.
         return new SimpleSubject(id, service, this);
     }
 
@@ -104,6 +105,6 @@ public class UserCollection implements SubjectCollection {
 
     @Override
     public Subject getDefaults() {
-        return null;
+        return new SimpleSubject("default", service, this);
     }
 }

sponge/src/main/java/me/lucko/luckperms/api/sponge/simple/SimpleCollection.java

@@ -20,7 +20,7 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.service.simple;
+package me.lucko.luckperms.api.sponge.simple;
 
 import lombok.Getter;
 import lombok.NonNull;
@@ -85,6 +85,6 @@ public class SimpleCollection implements SubjectCollection {
 
     @Override
     public Subject getDefaults() {
-        return null; // TODO
+        return new SimpleSubject("default", service, this);
     }
 }

sponge/src/main/java/me/lucko/luckperms/api/sponge/simple/SimpleSubject.java

@@ -20,7 +20,7 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.service.simple;
+package me.lucko.luckperms.api.sponge.simple;
 
 import lombok.Getter;
 import lombok.NonNull;
@@ -29,8 +29,9 @@ import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.*;
 import org.spongepowered.api.util.Tristate;
 
-import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
 
 /**
  * Super simple Subject implementation.
@@ -43,9 +44,6 @@ public class SimpleSubject implements Subject {
     private final SubjectCollection containingCollection;
     private final SubjectData subjectData;
 
-    private final Map<Set<Context>, Map<String, Tristate>> perms = new ConcurrentHashMap<>();
-    private final Map<Set<Context>, Set<Subject>> parents = new ConcurrentHashMap<>();
-
     public SimpleSubject(String identifier, PermissionService service, SubjectCollection containingCollection) {
         this.identifier = identifier;
         this.service = service;
@@ -65,33 +63,21 @@ public class SimpleSubject implements Subject {
 
     @Override
     public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        return getPermissionValue(contexts, node).asBoolean();
+        return subjectData.getPermissions(contexts).getOrDefault(node, false);
     }
 
     @Override
     public boolean hasPermission(@NonNull String permission) {
-        return getPermissionValue(getActiveContexts(), permission).asBoolean();
+        return hasPermission(getActiveContexts(), permission);
     }
 
     @Override
     public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String node) {
-        if (!perms.containsKey(contexts)) {
+        if (!subjectData.getPermissions(contexts).containsKey(node)) {
             return Tristate.UNDEFINED;
         }
 
-        Map<String, Tristate> context = perms.get(contexts);
-        if (context.containsKey(node)) {
-            return context.get(node);
-        }
-
-        for (Subject parent : getParents(contexts)) {
-            Tristate ts = parent.getPermissionValue(contexts, node);
-            if (ts != Tristate.UNDEFINED) {
-                return ts;
-            }
-        }
-
-        return Tristate.UNDEFINED;
+        return Tristate.fromBoolean(subjectData.getPermissions(contexts).get(node));
     }
 
     @Override
@@ -101,7 +87,7 @@ public class SimpleSubject implements Subject {
 
     @Override
     public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject subject) {
-        return parents.containsKey(contexts) && parents.get(contexts).contains(subject);
+        return subjectData.getParents(contexts).contains(subject);
     }
 
     @Override
@@ -111,21 +97,17 @@ public class SimpleSubject implements Subject {
 
     @Override
     public List<Subject> getParents(@NonNull Set<Context> contexts) {
-        if (!parents.containsKey(contexts)) {
-            return Collections.emptyList();
-        }
-
-        return new ArrayList<>(parents.get(contexts));
+        return subjectData.getParents(contexts);
     }
 
     @Override
     public Optional<String> getOption(Set<Context> set, String s) {
-        return null; // TODO
+        return Optional.ofNullable(subjectData.getOptions(set).get(s));
     }
 
     @Override
     public Optional<String> getOption(String key) {
-        return null; // TODO
+        return Optional.ofNullable(subjectData.getOptions(getActiveContexts()).get(key));
     }
 
     @Override

sponge/src/main/java/me/lucko/luckperms/service/wrapping/LuckPermsSubject.java

@@ -1,464 +0,0 @@
-/*
- * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
- *
- *  Permission is hereby granted, free of charge, to any person obtaining a copy
- *  of this software and associated documentation files (the "Software"), to deal
- *  in the Software without restriction, including without limitation the rights
- *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *  copies of the Software, and to permit persons to whom the Software is
- *  furnished to do so, subject to the following conditions:
- *
- *  The above copyright notice and this permission notice shall be included in all
- *  copies or substantial portions of the Software.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *  SOFTWARE.
- */
-
-package me.lucko.luckperms.service.wrapping;
-
-import com.google.common.collect.Sets;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NonNull;
-import me.lucko.luckperms.constants.Patterns;
-import me.lucko.luckperms.core.PermissionHolder;
-import me.lucko.luckperms.groups.Group;
-import me.lucko.luckperms.service.LuckPermsService;
-import me.lucko.luckperms.users.User;
-import org.spongepowered.api.Sponge;
-import org.spongepowered.api.command.CommandSource;
-import org.spongepowered.api.entity.living.player.Player;
-import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.service.permission.SubjectCollection;
-import org.spongepowered.api.service.permission.SubjectData;
-import org.spongepowered.api.util.Tristate;
-
-import java.util.*;
-import java.util.stream.Collectors;
-
-/**
- * TODO
- * this class is aids rn
- */
-@AllArgsConstructor
-public class LuckPermsSubject implements Subject {
-    private final EnduringData enduringData;
-    private final LuckPermsService service;
-
-    public LuckPermsSubject(PermissionHolder holder, LuckPermsService service) {
-        this.enduringData = new EnduringData(service, holder);
-        this.service = service;
-    }
-
-    @Override
-    public String getIdentifier() {
-        return enduringData.getHolder().getObjectName();
-    }
-
-    @Override
-    public Optional<CommandSource> getCommandSource() {
-        if (enduringData.getHolder() instanceof User) {
-            final UUID uuid = ((User) enduringData.getHolder()).getUuid();
-
-            Optional<Player> p = Sponge.getServer().getPlayer(uuid);
-            if (p.isPresent()) {
-                return Optional.of(p.get());
-            }
-        }
-
-        return Optional.empty();
-    }
-
-    @Override
-    public SubjectCollection getContainingCollection() {
-        if (enduringData.getHolder() instanceof Group) {
-            return service.getGroupSubjects();
-        } else {
-            return service.getUserSubjects();
-        }
-    }
-
-    @Override
-    public SubjectData getSubjectData() {
-        return null; // TODO
-    }
-
-    @Override
-    public SubjectData getTransientSubjectData() {
-        return null; // TODO
-    }
-
-    @Override
-    public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        return getPermissionValue(contexts, node).asBoolean();
-    }
-
-    @Override
-    public boolean hasPermission(String permission) {
-        return getPermissionValue(getActiveContexts(), permission).asBoolean();
-    }
-
-    @Override
-    public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String node) {
-        return null;
-        /*
-        final Map<String, Boolean> nodes = applyContexts(contexts);
-
-        if (nodes.containsKey(node)) {
-            return Tristate.fromBoolean(nodes.get(node));
-        } else {
-            return Tristate.UNDEFINED;
-        }
-        */
-    }
-
-    @Override
-    public boolean isChildOf(@NonNull Subject parent) {
-        return isChildOf(getActiveContexts(), parent);
-    }
-
-    @Override
-    public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject parent) {
-        return parent instanceof PermissionHolder && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
-    }
-
-    @Override
-    public List<Subject> getParents() {
-        return getParents(getActiveContexts());
-    }
-
-    @Override
-    public List<Subject> getParents(@NonNull Set<Context> contexts) {
-        return null;
-    }
-
-    @Override
-    public Optional<String> getOption(Set<Context> set, String s) {
-        return null;
-    }
-
-    @Override
-    public Optional<String> getOption(String key) {
-        return null;
-    }
-
-    @Override
-    public Set<Context> getActiveContexts() {
-        return SubjectData.GLOBAL_CONTEXT;
-    }
-
-    @AllArgsConstructor
-    public static class EnduringData implements SubjectData {
-        private final LuckPermsService service;
-
-        @Getter
-        private final PermissionHolder holder;
-
-        @Override
-        public Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
-            return null;
-            // TODO
-
-            /*
-            Map<String, Boolean> nodes = holder.convertTemporaryPerms();
-            Map<Set<Context>, Map<String, Boolean>> permissions = new HashMap<>();
-
-            for (Map.Entry<String, Boolean> e : nodes.entrySet()) {
-                String node = e.getKey();
-                if (node.contains("/")) {
-                    // server and/or world specific
-                    String[] parts = Patterns.SERVER_DELIMITER.split(node, 2);
-                    // 0 = server+world 1 = node
-
-                    node = parts[1];
-                    String server = null;
-                    String world = null;
-
-                    if (parts[0].contains("-")) {
-                        String[] serverParts = Patterns.WORLD_DELIMITER.split(parts[0], 2);
-                        world = serverParts[0];
-                        server = serverParts[1];
-
-                    } else {
-                        server = parts[0];
-                    }
-
-                    if (world == null) {
-                        if (Patterns.NODE_CONTEXTS.matcher(node).matches()) {
-                            // Has special context
-                            Set<Context> c = Sets.newHashSet(new Context(LuckPermsService.SERVER_CONTEXT, server));
-
-                            String[] contextParts = e.getKey().substring(1).split("\\)", 2);
-                            // 0 = context, 1 = node
-
-                            node = contextParts[1];
-
-                            // Parse the context values from this node
-                            for (String s : contextParts[0].split("\\,")) {
-                                if (!s.contains("=")) {
-                                    // Not valid
-                                    continue;
-                                }
-
-                                // contextKey=value
-                                String[] con = s.split("\\=", 2);
-                                c.add(new Context(con[0], con[1]));
-                            }
-
-                            if (!permissions.containsKey(c)) {
-                                permissions.put(c, new HashMap<>());
-                            }
-                            permissions.get(c).put(node, e.getValue());
-
-                        } else {
-                            // No special context
-                            Set<Context> c = Sets.newHashSet(new Context(LuckPermsService.SERVER_CONTEXT, server));
-                            if (!permissions.containsKey(c)) {
-                                permissions.put(c, new HashMap<>());
-                            }
-                            permissions.get(c).put(node, e.getValue());
-                        }
-                    } else {
-                        if (Patterns.NODE_CONTEXTS.matcher(node).matches()) {
-                            // Has special context
-                            Set<Context> c = Sets.newHashSet(new Context(Context.WORLD_KEY, world), new Context(LuckPermsService.SERVER_CONTEXT, server));
-
-                            String[] contextParts = e.getKey().substring(1).split("\\)", 2);
-                            // 0 = context, 1 = node
-
-                            node = contextParts[1];
-
-                            // Parse the context values from this node
-                            for (String s : contextParts[0].split("\\,")) {
-                                if (!s.contains("=")) {
-                                    // Not valid
-                                    continue;
-                                }
-
-                                // contextKey=value
-                                String[] con = s.split("\\=", 2);
-                                c.add(new Context(con[0], con[1]));
-                            }
-
-                            if (!permissions.containsKey(c)) {
-                                permissions.put(c, new HashMap<>());
-                            }
-                            permissions.get(c).put(node, e.getValue());
-
-                        } else {
-                            // No special context
-                            Set<Context> c = Sets.newHashSet(new Context(Context.WORLD_KEY, world), new Context(LuckPermsService.SERVER_CONTEXT, server));
-                            if (!permissions.containsKey(c)) {
-                                permissions.put(c, new HashMap<>());
-                            }
-                            permissions.get(c).put(node, e.getValue());
-                        }
-                    }
-
-                } else {
-                    // Plain node
-                    if (Patterns.NODE_CONTEXTS.matcher(e.getKey()).matches()) {
-                        // Has special context
-                        Set<Context> c = Sets.newHashSet();
-
-                        String[] contextParts = e.getKey().substring(1).split("\\)", 2);
-                        // 0 = context, 1 = node
-
-                        node = contextParts[1];
-
-                        // Parse the context values from this node
-                        for (String s : contextParts[0].split("\\,")) {
-                            if (!s.contains("=")) {
-                                // Not valid
-                                continue;
-                            }
-
-                            // contextKey=value
-                            String[] con = s.split("\\=", 2);
-                            c.add(new Context(con[0], con[1]));
-                        }
-
-                        if (!permissions.containsKey(c)) {
-                            permissions.put(c, new HashMap<>());
-                        }
-                        permissions.get(c).put(node, e.getValue());
-
-                    } else {
-                        if (!permissions.containsKey(new HashSet<Context>())) {
-                            permissions.put(new HashSet<>(), new HashMap<>());
-                        }
-                        permissions.get(new HashSet<Context>()).put(node, e.getValue());
-                    }
-                }
-            }
-
-            return permissions;
-            */
-        }
-
-        @Override
-        public Map<String, Boolean> getPermissions(Set<Context> set) {
-            return getAllPermissions().getOrDefault(set, Collections.emptyMap());
-        }
-
-        @Override
-        public boolean setPermission(Set<Context> set, String s, Tristate tristate) {
-            return false;
-        }
-
-        @Override
-        public boolean clearPermissions() {
-            return false;
-        }
-
-        @Override
-        public boolean clearPermissions(Set<Context> set) {
-            return false;
-        }
-
-        @Override
-        public Map<Set<Context>, List<Subject>> getAllParents() {
-            return null;
-        }
-
-        @Override
-        public List<Subject> getParents(Set<Context> contexts) {
-            final Set<String> parents = new HashSet<>();
-            final Map<String, Boolean> nodes = applyContexts(contexts);
-
-            for (Map.Entry<String, Boolean> e : nodes.entrySet()) {
-                if (!e.getValue()) {
-                    continue;
-                }
-
-                if (Patterns.GROUP_MATCH.matcher(e.getKey()).matches()) {
-                    final String groupName = e.getKey().substring("group.".length());
-                    parents.add(groupName);
-                }
-            }
-
-            return parents.stream().map(s -> service.getGroupSubjects().get(s)).collect(Collectors.toList());
-        }
-
-        @Override
-        public boolean addParent(Set<Context> set, Subject subject) {
-            return false;
-        }
-
-        @Override
-        public boolean removeParent(Set<Context> set, Subject subject) {
-            return false;
-        }
-
-        @Override
-        public boolean clearParents() {
-            return false;
-        }
-
-        @Override
-        public boolean clearParents(Set<Context> set) {
-            return false;
-        }
-
-        @Override
-        public Map<Set<Context>, Map<String, String>> getAllOptions() {
-            return null;
-        }
-
-        @Override
-        public Map<String, String> getOptions(Set<Context> set) {
-            return null;
-        }
-
-        @Override
-        public boolean setOption(Set<Context> set, String s, String s1) {
-            return false;
-        }
-
-        @Override
-        public boolean clearOptions(Set<Context> set) {
-            return false;
-        }
-
-        @Override
-        public boolean clearOptions() {
-            return false;
-        }
-
-        private Map<String, Boolean> applyContexts(@NonNull Set<Context> set) {
-            final Map<String, Boolean> map = new HashMap<>();
-
-            String world = null;
-            String server = null;
-
-            Map<String, String> contexts = new HashMap<>();
-
-            for (Context context : set) {
-                if (context.getType().equals(Context.WORLD_KEY)) {
-                    world = context.getName();
-                    continue;
-                }
-
-                if (context.getType().equals(LuckPermsService.SERVER_CONTEXT)) {
-                    server = context.getName();
-                    continue;
-                }
-
-                contexts.put(context.getType(), context.getName());
-            }
-
-            Map<String, Boolean> local = holder.getLocalPermissions(server, world, null, service.getPossiblePermissions());
-            perms:
-            for (Map.Entry<String, Boolean> e : local.entrySet()) {
-                if (!contexts.isEmpty()) {
-                    if (!Patterns.NODE_CONTEXTS.matcher(e.getKey()).matches()) {
-                        continue;
-                    }
-
-                    String[] parts = e.getKey().substring(1).split("\\)", 2);
-                    // 0 = context, 1 = node
-
-                    // Parse the context values from this node
-                    Map<String, String> contextValues = new HashMap<>();
-                    for (String s : parts[0].split("\\,")) {
-                        if (!s.contains("=")) {
-                            // Not valid
-                            continue;
-                        }
-
-                        // contextKey=value
-                        String[] con = s.split("\\=", 2);
-                        contextValues.put(con[0], con[1]);
-                    }
-
-                    // Check that all of the requested contexts are met
-                    for (Map.Entry<String, String> req : contexts.entrySet()) {
-                        if (!contextValues.containsKey(e.getKey())) {
-                            continue;
-                        }
-
-                        if (!contextValues.get(req.getKey()).equalsIgnoreCase(req.getValue())) {
-                            // Not valid within the current contexts
-                            continue perms;
-                        }
-                    }
-
-                    // Passed all da tests.
-                    map.put(parts[1], e.getValue());
-                } else {
-                    map.put(e.getKey(), e.getValue());
-                }
-
-            }
-
-            return map;
-        }
-    }
-}