Firebase Dynamic Links を使用して PHP セキュリティ検証を実装する

<?php

$link = "https://YOUR_SHORT_LINK_URL";

$apiKey = "YOUR_FIREBASE_API_KEY";

$data = [
    "longDynamicLink" => $link,
    "suffix" => [
        "option" => "SHORT"
    ]
];

$options = [
    "http" => [
        "header" => "Content-type: application/json
",
        "method" => "POST",
        "content" => json_encode($data)
    ]
];

$context  = stream_context_create($options);
$result = file_get_contents("https://firebasedynamiclinks.googleapis.com/v1/shortLinks?key=" . $apiKey, false, $context);

$response = json_decode($result, true);

if ($response && isset($response["shortLink"])) {
    echo "Short Link: " . $response["shortLink"];

    // 使用得到的短链接返回给移动应用
} else {
    echo "Failed to generate short link";
}
?>

FirebaseDynamicLinks.instance()?.handleUniversalLink(userActivity.webpageURL!) { (dynamicLink, error) in
    if let dynamicLink = dynamicLink {
        // 从链接参数中获取验证信息
        let customParameters = dynamicLink.customParameters
        let verificationToken = customParameters?["verification_token"]

        // 将验证信息发送到 PHP 后端进行验证
        let url = URL(string: "https://YOUR_PHP_SERVER/verify.php")!
        var request = URLRequest(url: url)
        request.httpMethod = "POST"
        request.httpBody = "verification_token=(verificationToken)".data(using: .utf8)

        let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
            if let data = data {
                // 处理从 PHP 后端返回的验证结果
                let responseString = String(data: data, encoding: .utf8)
                print(responseString)
            }
        }
        task.resume()
    }
}

<?php

$verificationToken = $_POST['verification_token'];

// 在此处进行验证逻辑，比如验证该 token 是否有效

// 返回验证结果给移动应用
echo "Verification Success";

?>