פתרון reCAPTCHA Enterprise באמצעות Java

import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import java.net.URI;
import java.net.URLEncoder;
import java.net.http.*;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.UUID;

public class Solve {
    static final HttpClient HTTP = HttpClient.newBuilder()
        .connectTimeout(Duration.ofSeconds(15)).build();
    static final String KEY = System.getenv("SOLVETHREE_API_KEY");

    static JsonObject api(String path, JsonObject body, long deadline) throws Exception {
        long remaining = deadline - System.nanoTime();
        if (remaining <= 0) throw new IllegalStateException("Keep the task ID and resume polling");
        var builder = HttpRequest.newBuilder(URI.create("https://api.solvethree.com/v1" + path))
            .timeout(Duration.ofNanos(Math.min(remaining, Duration.ofSeconds(30).toNanos())))
            .header("Authorization", "Bearer " + KEY)
            .header("Content-Type", "application/json");
        if (body == null) builder.GET();
        else builder.POST(HttpRequest.BodyPublishers.ofString(body.toString()));
        var response = HTTP.send(builder.build(), HttpResponse.BodyHandlers.ofString());
        if (response.statusCode() < 200 || response.statusCode() >= 300)
            throw new IllegalStateException("API HTTP " + response.statusCode());
        return JsonParser.parseString(response.body()).getAsJsonObject();
    }
    public static void main(String[] args) throws Exception {
        String proxy = System.getenv("SOLVETHREE_PROXY");
        if (KEY == null || proxy == null) throw new IllegalArgumentException("Set the API key and proxy");
        var input = new JsonObject();
        input.addProperty("site", "accounts.example.com");
        input.addProperty("action", "login");
        input.addProperty("proxy", proxy);
        input.addProperty("requestId", UUID.randomUUID().toString());
        // Save input before creation if the task must be recovered after restart.
        long deadline = System.nanoTime() + Duration.ofSeconds(180).toNanos();
        var task = api("/tasks?waitMs=0", input, deadline);
        while (task.get("status").getAsString().equals("pending") || task.get("status").getAsString().equals("solving")) {
            String id = URLEncoder.encode(task.get("id").getAsString(), StandardCharsets.UTF_8);
            task = api("/tasks/" + id + "?waitMs=15000", null, deadline);
            if (task.get("status").getAsString().equals("pending") || task.get("status").getAsString().equals("solving"))
                Thread.sleep(1000);
        }
        if (!task.get("status").getAsString().equals("ready"))
            throw new IllegalStateException("Task failed: " + task.get("errorCode")
                + ": " + task.get("error"));
        var solution = task.getAsJsonObject("solution");
        // Submit solution.token with userAgent/secChUa and the original proxy.
        System.out.println("Ready task: " + task.get("id").getAsString());
    }
}

curl --fail --location --output gson-2.15.0.jar \
  https://repo.maven.apache.org/maven2/com/google/code/gson/gson/2.15.0/gson-2.15.0.jar
javac -cp gson-2.15.0.jar Solve.java
java -cp .:gson-2.15.0.jar Solve