Tutorial API

IP Whitelist CaptchaAI dan Keamanan API Key

API key CaptchaAI Anda mengontrol akses ke saldo Anda. Key yang bocor berarti penggunaan tidak sah dan dana terkuras. Panduan ini mencakup IP whitelist, penyimpanan aman, dan kontrol akses.


Ancaman Utama API

Exposed API key:
  ├── Leaked in Git repository
  ├── Hardcoded in client-side code
  ├── Shared in documentation
  └── Visible in logs

Impact:
  ├── Balance drained by unauthorized users
  ├── Usage spikes from abuse
  └── Key disabled by service provider

Penyimpanan Kunci Aman

Jangan Pernah Kunci Hardcode

# BAD — key in source code
API_KEY = "abc123def456"  # DO NOT DO THIS

# GOOD — environment variable
import os
API_KEY = os.environ["CAPTCHAAI_API_KEY"]

# GOOD — .env file (not committed to Git)
from dotenv import load_dotenv
load_dotenv()
API_KEY = os.environ["CAPTCHAAI_API_KEY"]

File .env

# .env (add to .gitignore!)
CAPTCHAAI_API_KEY=your_api_key_here

.gitignore

# Always ignore .env files
.env
.env.local
.env.production

Konfigurasi Berbasis Lingkungan

import os


class CaptchaConfig:
    """Load CaptchaAI config from environment."""

    def __init__(self):
        self.api_key = os.environ.get("CAPTCHAAI_API_KEY")
        if not self.api_key:
            raise EnvironmentError(
                "CAPTCHAAI_API_KEY not set. "
                "Set it in your environment or .env file."
            )
        self.base_url = os.environ.get(
            "CAPTCHAAI_URL", "https://ocr.captchaai.com"
        )

    def validate(self):
        """Verify the API key works."""
        import requests
        resp = requests.get(f"{self.base_url}/res.php", params={
            "key": self.api_key,
            "action": "getbalance",
            "json": 1,
        }, timeout=10)
        data = resp.json()
        if data.get("status") != 1:
            raise RuntimeError(f"Invalid API key: {data.get('request')}")
        return float(data["request"])


# Usage
config = CaptchaConfig()
balance = config.validate()
print(f"Key valid, balance: ${balance:.2f}")

Rotasi Key

Rotasi API key secara berkala:

import os
import datetime


class KeyManager:
    """Manage API key rotation."""

    def __init__(self):
        self.primary_key = os.environ.get("CAPTCHAAI_API_KEY")
        self.secondary_key = os.environ.get("CAPTCHAAI_API_KEY_BACKUP")
        self.active_key = self.primary_key

    def get_key(self):
        return self.active_key

    def rotate(self):
        """Switch to secondary key."""
        if self.secondary_key:
            self.active_key = self.secondary_key
            print("Rotated to secondary key")
        else:
            print("No secondary key configured")

    def test_key(self, key):
        """Verify a key is valid."""
        import requests
        resp = requests.get("https://ocr.captchaai.com/res.php", params={
            "key": key, "action": "getbalance", "json": 1,
        }, timeout=10)
        return resp.json().get("status") == 1


# Usage
keys = KeyManager()

# If primary fails, rotate to secondary
if not keys.test_key(keys.get_key()):
    keys.rotate()

Validasi Request

Validasi request sebelum mengirim untuk mencegah eksposur key yang tidak disengaja:

import requests
import logging

logger = logging.getLogger(__name__)


class SecureSolver:
    """Solver with security best practices."""

    def __init__(self, api_key):
        self.api_key = api_key
        self.base = "https://ocr.captchaai.com"

    def solve(self, method, **params):
        # Validate inputs
        self._validate_params(method, params)

        data = {"key": self.api_key, "method": method, "json": 1}
        data.update(params)

        # Log without exposing key
        logger.info(
            "Submitting %s solve for %s",
            method, params.get("pageurl", "unknown"),
        )

        resp = requests.post(
            f"{self.base}/in.php", data=data, timeout=30,
        )
        return resp.json()

    def _validate_params(self, method, params):
        """Prevent common security mistakes."""
        # Ensure pageurl is a valid URL
        pageurl = params.get("pageurl", "")
        if pageurl and not pageurl.startswith(("http://", "https://")):
            raise ValueError(f"Invalid pageurl: {pageurl}")

        # Ensure method is valid
        valid_methods = {
            "userrecaptcha", "turnstile", "geetest",
            "base64", "post", "bls", "cloudflare_challenge",
        }
        if method not in valid_methods:
            raise ValueError(f"Unknown method: {method}")

Logging Tanpa Mengekspos Key

import logging
import re

logger = logging.getLogger(__name__)


class SafeFormatter(logging.Formatter):
    """Redact API keys from log messages."""

    KEY_PATTERN = re.compile(r'[a-f0-9]{32}', re.IGNORECASE)

    def format(self, record):
        msg = super().format(record)
        return self.KEY_PATTERN.sub("[REDACTED]", msg)


# Configure safe logging
handler = logging.StreamHandler()
handler.setFormatter(SafeFormatter("%(levelname)s: %(message)s"))
logger.addHandler(handler)
logger.setLevel(logging.INFO)

# Key is automatically redacted in logs
logger.info(f"Using key: abc123def456ghi789jkl012mno345pq")
# Output: INFO: Using key: [REDACTED]

Rahasia Docker

Untuk penerapan dalam container:

# Dockerfile — DO NOT embed keys here
FROM python:3.11-slim
WORKDIR /app
COPY . .
RUN pip install requests
CMD ["python", "solver.py"]
# docker-compose.yml
services:
  solver:
    build: .
    environment:

      - CAPTCHAAI_API_KEY=${CAPTCHAAI_API_KEY}
    # Or use Docker secrets:
    secrets:

      - captchaai_key

secrets:
  captchaai_key:
    file: ./secrets/captchaai_key.txt

Keamanan CI/CD

GitHub Actions

# .github/workflows/test.yml
jobs:
  test:
    runs-on: ubuntu-latest
    steps:

      - uses: actions/checkout@v4
      - name: Run tests
        env:
          CAPTCHAAI_API_KEY: ${{ secrets.CAPTCHAAI_API_KEY }}
        run: python test_solver.py

Jangan pernah mencatat atau mengulangi rahasia dalam keluaran CI.


Pemecahan Masalah

Masalah Penyebab Solusi
ERROR_WRONG_USER_KEY Key salah atau kedaluarsa Verifikasi key dari dashboard CaptchaAI
Saldo terkuras tak terduga Key bocor atau dibagikan Rotasi key segera, audit akses
Key berfungsi lokal tapi tidak di CI Environment variable tidak di-set Tambahkan ke secrets CI/CD
Key ada dalam history Git File .env yang ter-commit Rotasi key, tambahkan .env ke .gitignore, gunakan git filter-branch

Daftar Periksa Keamanan

Praktik Status
API key dalam environment variable
.env ditambahkan ke .gitignore
Tidak ada key dalam source code
Key di-redact dalam log
CI/CD menggunakan secret manager
Jadwal rotasi key
Monitoring saldo aktif

Pertanyaan Umum

Bagaimana jika API key saya bocor?

Buat key baru segera dari dashboard CaptchaAI. Perbarui semua aplikasi yang menggunakan key lama. Periksa saldo Anda untuk penggunaan tidak sah.

Bisakah saya membatasi API key berdasarkan alamat IP?

Cek dashboard CaptchaAI Anda untuk pengaturan pembatasan IP. Jika tersedia, whitelist hanya IP server Anda untuk mencegah penggunaan tidak sah.

Haruskah saya menggunakan key berbeda untuk development dan production?

Ya. Gunakan key terpisah untuk development, staging, dan production. Ini membatasi blast radius jika key dev bocor.


Panduan Terkait


Lindungi investasi Anda — amankan API key CaptchaAI Anda hari ini.

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