Check for relation when a player tries to create a destination portal in claimed land. Adds #204.

src/main/java/com/massivecraft/factions/listeners/FactionsEntityListener.java

@@ -6,6 +6,7 @@ import com.massivecraft.factions.struct.Relation;
 import com.massivecraft.factions.util.MiscUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.TravelAgent;
 import org.bukkit.block.Block;
 import org.bukkit.entity.*;
 import org.bukkit.entity.minecart.ExplosiveMinecart;
@@ -17,6 +18,7 @@ import org.bukkit.event.hanging.HangingBreakByEntityEvent;
 import org.bukkit.event.hanging.HangingBreakEvent;
 import org.bukkit.event.hanging.HangingBreakEvent.RemoveCause;
 import org.bukkit.event.hanging.HangingPlaceEvent;
+import org.bukkit.event.player.PlayerPortalEvent;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 import org.bukkit.projectiles.ProjectileSource;
@@ -522,6 +524,34 @@ public class FactionsEntityListener implements Listener {
         }
     }
 
+    @EventHandler
+    public void onTravel(PlayerPortalEvent event) {
+        if (!P.p.getConfig().getBoolean("portals.limit", false)) {
+            return; // Don't do anything if they don't want us to.
+        }
+
+        TravelAgent agent = event.getPortalTravelAgent();
+
+        // If they aren't able to find a portal, it'll try to create one.
+        if (event.useTravelAgent() && agent.getCanCreatePortal() && agent.findPortal(event.getTo()) == null) {
+            FLocation loc = new FLocation(event.getTo());
+            Faction faction = Board.getInstance().getFactionAt(loc);
+            if (faction.isNone()) {
+                return; // We don't care about wilderness.
+            } else if (!faction.isNormal() && !event.getPlayer().isOp()) {
+                // Don't let non ops make portals in safezone or warzone.
+                event.setCancelled(true);
+                return;
+            }
+
+            FPlayer fp = FPlayers.getInstance().getByPlayer(event.getPlayer());
+            String mininumRelation = P.p.getConfig().getString("portals.minimum-relation", "MEMBER"); // Defaults to Neutral if typed wrong.
+            if (!fp.getFaction().getRelationTo(faction).isAtLeast(Relation.fromString(mininumRelation))) {
+                event.setCancelled(true);
+            }
+        }
+    }
+
     private boolean stopEndermanBlockManipulation(Location loc) {
         if (loc == null) {
             return false;

src/main/resources/config.yml

@@ -30,6 +30,17 @@ findfactionsexploit:
 # This has always been neutral.
 default-relation: "neutral"
 
+# Portal Creation
+# Do you want to limit portal creation?
+portals:
+  limit: false # will disable the below check if set to false
+
+  # What should the minimum relation be to create a portal in territory?
+  # Goes in the order of: ENEMY, NEUTRAL, ALLY, MEMBER.
+  # Minimum relation allows that and all listed to the right to create portals.
+  # Example: put ALLY to allow ALLY and MEMBER to be able to create portals.
+  minimum-relation: MEMBER # If typed incorrectly, defaults to NEUTRAL.
+
 ### Hard Core Settings ###
 
 # Warps