Fix profile requests being made on offline mode servers

Closes #1076

Spigot-Server-Patches/Basic-PlayerProfile-API.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Basic PlayerProfile API
 
 diff --git a/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java b/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java
 new file mode 100644
-index 00000000..8cc85be8
+index 000000000..9ad5853de
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java
 @@ -0,0 +0,0 @@
@@ -150,6 +150,9 @@ index 00000000..8cc85be8
 +    }
 +
 +    public boolean completeFromCache(boolean lookupName) {
++        if (profile.isComplete()) {
++            return true;
++        }
 +        MinecraftServer server = MinecraftServer.getServer();
 +        String name = profile.getName();
 +        UserCache userCache = server.getUserCache();
@@ -181,13 +184,15 @@ index 00000000..8cc85be8
 +    public boolean complete(boolean textures) {
 +        MinecraftServer server = MinecraftServer.getServer();
 +
-+        if (!this.completeFromCache(true) || textures && !hasTextures()) {
++        boolean isOnlineMode = server.getOnlineMode() || (SpigotConfig.bungee && PaperConfig.bungeeOnlineMode);
++        boolean isCompleteFromCache = this.completeFromCache(true);
++        if (isOnlineMode && (!isCompleteFromCache || textures && !hasTextures())) {
 +            GameProfile result = server.getSessionService().fillProfileProperties(profile, true);
 +            if (result != null) {
 +                this.profile = result;
 +            }
 +        }
-+        return profile.isComplete() && (!textures || hasTextures());
++        return profile.isComplete() && (!isOnlineMode || !textures || hasTextures());
 +    }
 +
 +    private static void copyProfileProperties(GameProfile source, GameProfile target) {
@@ -287,7 +292,7 @@ index 00000000..8cc85be8
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
-index 02940d69..4539b560 100644
+index 02940d697..4539b5601 100644
 --- a/src/main/java/net/minecraft/server/MCUtil.java
 +++ b/src/main/java/net/minecraft/server/MCUtil.java
 @@ -0,0 +0,0 @@
@@ -312,7 +317,7 @@ index 02940d69..4539b560 100644
       * Calculates distance between 2 entities
       * @param e1
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index e8bddc17..3b01ebd9 100644
+index e8bddc171..3b01ebd96 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IAs
@@ -324,7 +329,7 @@ index e8bddc17..3b01ebd9 100644
          return this.W;
      }
 diff --git a/src/main/java/net/minecraft/server/UserCache.java b/src/main/java/net/minecraft/server/UserCache.java
-index 7ce08eb8..6a750c25 100644
+index 7ce08eb8b..6a750c25e 100644
 --- a/src/main/java/net/minecraft/server/UserCache.java
 +++ b/src/main/java/net/minecraft/server/UserCache.java
 @@ -0,0 +0,0 @@ public class UserCache {
@@ -360,7 +365,7 @@ index 7ce08eb8..6a750c25 100644
  
          private UserCacheEntry(GameProfile gameprofile, Date date) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 77c16fe2..2dd7ed96 100644
+index 77c16fe2c..2dd7ed96a 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -0,0 +0,0 @@ import org.bukkit.craftbukkit.util.CraftNamespacedKey;