cache: remove http-api dependency

This was only for the xtea client, which we don't use anymore anyway. Instead allow XteaKeyManager to read from an input stream.

cache/src/main/java/net/runelite/cache/region/RegionLoader.java

@@ -60,7 +60,6 @@ public class RegionLoader
 		this.store = store;
 		index = store.getIndex(IndexType.MAPS);
 		keyManager = new XteaKeyManager();
-		keyManager.loadKeys();
 	}
 
 	public void loadRegions() throws IOException

cache/src/main/java/net/runelite/cache/util/XteaKey.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2021, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.cache.util;
+
+import lombok.Data;
+
+@Data
+public class XteaKey
+{
+	private int region;
+	private int keys[];
+}

cache/src/main/java/net/runelite/cache/util/XteaKeyManager.java

@@ -24,12 +24,14 @@
  */
 package net.runelite.cache.util;
 
-import java.io.IOException;
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
-import net.runelite.http.api.RuneLiteAPI;
-import net.runelite.http.api.xtea.XteaClient;
-import net.runelite.http.api.xtea.XteaKey;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,22 +41,16 @@ public class XteaKeyManager
 
 	private final Map<Integer, int[]> keys = new HashMap<>();
 
-	public void loadKeys()
+	public void loadKeys(InputStream in)
 	{
-		XteaClient xteaClient = new XteaClient(RuneLiteAPI.CLIENT);
+		// CHECKSTYLE:OFF
+		List<XteaKey> k = new Gson()
+			.fromJson(new InputStreamReader(in, StandardCharsets.UTF_8), new TypeToken<List<XteaKey>>() { }.getType());
+		// CHECKSTYLE:ON
 
-		try
+		for (XteaKey key : k)
 		{
-			for (XteaKey key : xteaClient.get())
-			{
-				keys.put(key.getRegion(), key.getKeys());
-			}
-		}
-		catch (IOException ex)
-		{
-			// happens on release when it is not deployed yet
-			logger.debug("unable to load xtea keys", ex);
-			return;
+			keys.put(key.getRegion(), key.getKeys());
 		}
 
 		logger.info("Loaded {} keys", keys.size());

cache/src/test/java/net/runelite/cache/MapDumperTest.java

@@ -65,7 +65,6 @@ public class MapDumperTest
 		File base = StoreLocation.LOCATION,
 			outDir = folder.newFolder();
 		XteaKeyManager keyManager = new XteaKeyManager();
-		keyManager.loadKeys();
 
 		try (Store store = new Store(base))
 		{
@@ -121,7 +120,6 @@ public class MapDumperTest
 		Storage storage = store.getStorage();
 		Index index = store.getIndex(IndexType.MAPS);
 		XteaKeyManager keyManager = new XteaKeyManager();
-		keyManager.loadKeys();
 
 		for (int i = 0; i < MAX_REGIONS; ++i)
 		{