quick-e2e: Add OPsService to manage player OPs and integrate Mojang API for UUID retrieval

tools/quick-e2e/http/mojang-api.http

@@ -0,0 +1,5 @@
+### Query player's UUID
+GET https://api.mojang.com/users/profiles/minecraft/OliverHD
+
+### Query player's UUID 2
+GET https://api.minecraftservices.com/minecraft/profile/lookup/name/OliverHD

tools/quick-e2e/src/main/java/de/oliver/quicke2e/Main.java

@@ -3,6 +3,7 @@ package de.oliver.quicke2e;
 import de.oliver.quicke2e.config.Configuration;
 import de.oliver.quicke2e.config.Context;
 import de.oliver.quicke2e.steps.eula.EulaService;
+import de.oliver.quicke2e.steps.ops.OPsService;
 import de.oliver.quicke2e.steps.paper.PaperDownloadService;
 import de.oliver.quicke2e.steps.startScript.StartScriptService;
 import de.oliver.quicke2e.steps.startServer.StartServerService;
@@ -30,6 +31,9 @@ public class Main {
             eula.setEulaToTrue(String.format("%s/eula.txt", context.serverEnvPath().toString()));
         }
 
+        OPsService ops = new OPsService();
+        ops.makePlayersOP(context);
+
         StartScriptService startScript = new StartScriptService();
         startScript.writeStartScript(context);
 

tools/quick-e2e/src/main/java/de/oliver/quicke2e/steps/ops/MojangUuidResponse.java

@@ -0,0 +1,7 @@
+package de.oliver.quicke2e.steps.ops;
+
+public record MojangUuidResponse(
+        String name,
+        String id
+) {
+}

tools/quick-e2e/src/main/java/de/oliver/quicke2e/steps/ops/OPConfig.java

@@ -0,0 +1,9 @@
+package de.oliver.quicke2e.steps.ops;
+
+public record OPConfig(
+        String uuid,
+        String name,
+        int level,
+        boolean bypassesPlayerLimit
+) {
+}

tools/quick-e2e/src/main/java/de/oliver/quicke2e/steps/ops/OPsService.java

@@ -0,0 +1,64 @@
+package de.oliver.quicke2e.steps.ops;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import de.oliver.quicke2e.config.Context;
+
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class OPsService {
+
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+    private final HttpClient client;
+
+    public OPsService() {
+        this.client = HttpClient.newHttpClient();
+    }
+
+    public void makePlayersOP(Context context) {
+        OPConfig[] opConfig = new OPConfig[context.configuration().opPlayers().length];
+        for (int i = 0; i < context.configuration().opPlayers().length; i++) {
+            String username = context.configuration().opPlayers()[i];
+            String uuid = getUUID(username);
+            opConfig[i] = new OPConfig(
+                    uuid,
+                    username,
+                    4,
+                    true
+            );
+        }
+
+        String json = GSON.toJson(opConfig);
+
+        Path opsFilePath = context.serverEnvPath().resolve("ops.json");
+        try {
+            Files.writeString(opsFilePath, json);
+        } catch (java.io.IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private String getUUID(String username) {
+        HttpRequest request = HttpRequest.newBuilder()
+                .GET()
+                .uri(java.net.URI.create(String.format("https://api.mojang.com/users/profiles/minecraft/%s", username)))
+                .build();
+
+        HttpResponse<String> resp = client.sendAsync(request, HttpResponse.BodyHandlers.ofString()).join();
+        MojangUuidResponse mojangUuidResponse = GSON.fromJson(resp.body(), MojangUuidResponse.class);
+
+        return transformUUID(mojangUuidResponse.id());
+    }
+
+    private String transformUUID(String hexUUID) {
+        return hexUUID.replaceFirst(
+                "([0-9a-fA-F]{8})([0-9a-fA-F]{4})([0-9a-fA-F]{4})([0-9a-fA-F]{4})([0-9a-fA-F]{12})",
+                "$1-$2-$3-$4-$5"
+        );
+    }
+
+}