feat(captcha): 打通人机验证 11 个场景的前后端完整链路
- 统一验证入口 aksrt_require_captcha()，返回 true|WP_Error，启用场景配置缺失时 fail-closed 拒绝 - 前端公共 API 重构为 window.AKSRTCaptcha（verify/collect/reset/run），单飞锁防并发重复验证，一次性 proof 绑定浏览器 cookie+场景+服务商+主机名 - challenge/exchange REST 端点：challenge 原子占用防票据放大厂商调用，增加频率限制 - 新增 OAuth bind pass：服务端签发 5 分钟一次性令牌，绑定用户+服务商+浏览器，微信扫码延迟消费 - 覆盖场景：评论、登录、注册、绑定第三方、绑定手机、找回密码、修改密码、更改邮箱、资料下载、签到、前台投稿 - 移除 Service 层重复验证与 _auth_code_verified/_defer_login 等客户端可伪造标志，删除下载共享 pass 死代码 - 修复腾讯 TC3 签名 scope、Cloudflare action/cdata/hostname 严格校验、阿里云验签错误码映射 - 后台 Schema 保存对 secret 字段做掩码/保留合并；导入导出过滤 aksrt_captcha_config - 重建 public bundle 与 admin SPA；新增 captcha 运行时/安全/业务契约测试与 harness
This commit is contained in:
+467
-158
@@ -6,7 +6,7 @@
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* 闭环契约：
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* aksrt_get_captcha_config() -> aksrt_is_captcha_enabled_for(scene)
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* -> aksrt_render_captcha(scene) -> [data-aksrt-captcha-config] 挂载点
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* -> captcha-front.js（public bundle）-> 客户端 AKSRTCaptchaState + token
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* -> captcha-front.js（public bundle）-> 客户端 AKSRTCaptcha + token
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* -> 业务入口 aksrt_require_captcha(scene, $payload) -> proceed/fail。
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*
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* 仅支持云厂商：tencent / aliyun / cloudflare / geetest。
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@@ -17,11 +17,345 @@
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defined('ABSPATH') || exit;
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const AKSRT_CAPTCHA_BROWSER_COOKIE = 'aksrt_captcha_browser';
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const AKSRT_CAPTCHA_CHALLENGE_PREFIX = 'aksrt_captcha_challenge_';
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const AKSRT_CAPTCHA_PROOF_PREFIX = 'aksrt_captcha_proof_';
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const AKSRT_CAPTCHA_CHALLENGE_TTL = 10 * MINUTE_IN_SECONDS;
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const AKSRT_CAPTCHA_PROOF_TTL = 5 * MINUTE_IN_SECONDS;
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function aksrt_captcha_browser_id(): string {
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$value = isset($_COOKIE[AKSRT_CAPTCHA_BROWSER_COOKIE])
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? sanitize_text_field(wp_unslash((string) $_COOKIE[AKSRT_CAPTCHA_BROWSER_COOKIE]))
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: '';
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if (preg_match('/^[A-Za-z0-9_-]{32,80}$/', $value) === 1) {
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return $value;
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}
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$value = rtrim(strtr(base64_encode(random_bytes(32)), '+/', '-_'), '=');
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if (!headers_sent()) {
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setcookie(AKSRT_CAPTCHA_BROWSER_COOKIE, $value, [
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'expires' => time() + MONTH_IN_SECONDS,
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'path' => defined('COOKIEPATH') && COOKIEPATH ? COOKIEPATH : '/',
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'domain' => defined('COOKIE_DOMAIN') ? COOKIE_DOMAIN : '',
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'secure' => is_ssl(),
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'httponly' => true,
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'samesite' => 'Lax',
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]);
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}
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$_COOKIE[AKSRT_CAPTCHA_BROWSER_COOKIE] = $value;
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return $value;
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}
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function aksrt_captcha_challenge_key(string $token): string {
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return AKSRT_CAPTCHA_CHALLENGE_PREFIX . hash('sha256', trim($token));
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}
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function aksrt_captcha_challenge_material(string $scene, string $provider, string $nonce, int $timestamp): string {
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$host = strtolower((string) wp_parse_url(home_url('/'), PHP_URL_HOST));
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return sanitize_key($scene) . '|' . sanitize_key($provider) . '|'
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. hash('sha256', aksrt_captcha_browser_id()) . '|' . $host . '|' . $timestamp . '|' . $nonce;
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}
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function aksrt_captcha_issue_challenge(string $scene, string $provider): string {
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$nonce = rtrim(strtr(base64_encode(random_bytes(32)), '+/', '-_'), '=');
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$timestamp = time();
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$material = aksrt_captcha_challenge_material($scene, $provider, $nonce, $timestamp);
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$signature = hash_hmac('sha256', $material, wp_salt('auth'));
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return $nonce . '.' . $timestamp . '.' . $signature;
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}
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function aksrt_captcha_challenge_valid(string $token, string $scene, string $provider): bool {
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$parts = explode('.', trim($token));
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if (count($parts) !== 3) {
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return false;
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}
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[$nonce, $raw_timestamp, $signature] = $parts;
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if (preg_match('/^[A-Za-z0-9_-]{32,80}$/', $nonce) !== 1 || preg_match('/^\d{10}$/', $raw_timestamp) !== 1 || preg_match('/^[a-f0-9]{64}$/', $signature) !== 1) {
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return false;
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}
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$timestamp = (int) $raw_timestamp;
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if ($timestamp > time() + 60 || $timestamp < time() - AKSRT_CAPTCHA_CHALLENGE_TTL) {
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return false;
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}
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$expected = hash_hmac(
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'sha256',
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aksrt_captcha_challenge_material($scene, $provider, $nonce, $timestamp),
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wp_salt('auth')
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);
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return hash_equals($expected, $signature);
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}
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function aksrt_captcha_validate_challenge(string $token, string $scene, string $provider, bool $claim = false): bool {
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if (!aksrt_captcha_challenge_valid($token, $scene, $provider)) {
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return false;
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}
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$key = aksrt_captcha_challenge_key($token);
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if (!$claim) {
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$current = get_option($key, null);
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if (is_numeric($current) && (int) $current < time()) {
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delete_option($key);
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return true;
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}
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return $current === null;
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}
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$current = get_option($key, null);
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if (is_numeric($current) && (int) $current < time()) {
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delete_option($key);
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}
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return add_option($key, time() + AKSRT_CAPTCHA_CHALLENGE_TTL, '', false);
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}
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function aksrt_captcha_challenge_release(string $token): void {
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delete_option(aksrt_captcha_challenge_key($token));
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}
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function aksrt_captcha_rate_limited(string $scope, string $subject, int $limit = 30, int $ttl = 60): bool {
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$key = 'aksrt_captcha_rl_' . md5($scope . '|' . strtolower($subject));
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$count = (int) get_transient($key);
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if ($count >= $limit) {
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return true;
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}
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set_transient($key, $count + 1, $ttl);
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return false;
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}
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function aksrt_captcha_proof_key(string $token): string {
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return AKSRT_CAPTCHA_PROOF_PREFIX . hash('sha256', trim($token));
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}
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function aksrt_captcha_issue_proof(string $scene, string $provider): string {
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$token = rtrim(strtr(base64_encode(random_bytes(32)), '+/', '-_'), '=');
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$row = [
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'scene' => sanitize_key($scene),
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'provider' => sanitize_key($provider),
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'browser_hash' => hash('sha256', aksrt_captcha_browser_id()),
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'host' => strtolower((string) wp_parse_url(home_url('/'), PHP_URL_HOST)),
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'expires_at' => time() + AKSRT_CAPTCHA_PROOF_TTL,
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];
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if (!add_option(aksrt_captcha_proof_key($token), $row, '', false)) {
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throw new \RuntimeException('captcha_proof_issue_failed');
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}
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return $token;
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}
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function aksrt_captcha_consume_proof(string $token, string $scene, string $provider): bool {
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if ($token === '') {
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return false;
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}
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$key = aksrt_captcha_proof_key($token);
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$row = get_option($key, null);
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$host = strtolower((string) wp_parse_url(home_url('/'), PHP_URL_HOST));
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$valid = is_array($row)
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&& (int) ($row['expires_at'] ?? 0) >= time()
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&& hash_equals(sanitize_key($scene), (string) ($row['scene'] ?? ''))
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&& hash_equals(sanitize_key($provider), (string) ($row['provider'] ?? ''))
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&& hash_equals(hash('sha256', aksrt_captcha_browser_id()), (string) ($row['browser_hash'] ?? ''))
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&& $host !== ''
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&& hash_equals($host, (string) ($row['host'] ?? ''));
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if (!$valid) {
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if (is_array($row) && (int) ($row['expires_at'] ?? 0) < time()) {
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delete_option($key);
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}
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return false;
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}
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global $wpdb;
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$deleted = $wpdb->query($wpdb->prepare(
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"DELETE FROM {$wpdb->options} WHERE option_name = %s AND option_value = %s",
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$key,
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maybe_serialize($row)
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));
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if ($deleted !== 1) {
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return false;
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}
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wp_cache_delete($key, 'options');
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return true;
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}
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function aksrt_captcha_cleanup_records(int $limit = 200): int {
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global $wpdb;
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$prefixes = [AKSRT_CAPTCHA_CHALLENGE_PREFIX, AKSRT_CAPTCHA_PROOF_PREFIX];
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$removed = 0;
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foreach ($prefixes as $prefix) {
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$rows = $wpdb->get_results($wpdb->prepare(
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"SELECT option_name, option_value FROM {$wpdb->options} WHERE option_name LIKE %s LIMIT %d",
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$wpdb->esc_like($prefix) . '%',
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max(1, min(1000, $limit))
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), ARRAY_A);
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foreach (is_array($rows) ? $rows : [] as $row) {
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$value = maybe_unserialize($row['option_value'] ?? '');
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$expires_at = is_array($value) ? (int) ($value['expires_at'] ?? 0) : (int) $value;
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if ($expires_at > 0 && $expires_at < time() && delete_option((string) $row['option_name'])) {
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$removed++;
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}
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}
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}
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return $removed;
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}
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add_action('init', static function (): void {
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if (wp_rand(1, 100) === 1) {
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aksrt_captcha_cleanup_records();
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}
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}, 30);
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add_action('rest_api_init', static function (): void {
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register_rest_route('aksrt/v1', '/captcha/challenge', [
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'methods' => 'POST',
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'permission_callback' => '__return_true',
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'callback' => static function (\WP_REST_Request $request) {
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$data = $request->get_json_params();
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$scene = sanitize_key((string) (is_array($data) ? ($data['scene'] ?? '') : ''));
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if (!aksrt_is_captcha_enabled_for($scene)) {
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return new \WP_Error('aksrt_captcha_scene', __('人机验证场景未启用', 'aksrt'), ['status' => 400]);
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}
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$cfg = aksrt_get_captcha_config();
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$provider = $cfg['active_provider'];
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if ($provider === '' || !aksrt_captcha_provider_is_configured($provider, $cfg[$provider] ?? [])) {
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return new \WP_Error('aksrt_captcha_config', __('人机验证配置不完整', 'aksrt'), ['status' => 503]);
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}
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if (aksrt_captcha_rate_limited('challenge:' . $scene, aksrt_get_client_ip(), 20, MINUTE_IN_SECONDS)) {
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return new \WP_Error('aksrt_captcha_rate', __('请求过于频繁，请稍后再试', 'aksrt'), ['status' => 429]);
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}
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return new \WP_REST_Response([
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'success' => true,
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'data' => ['challenge' => aksrt_captcha_issue_challenge($scene, $provider)],
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], 200);
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},
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]);
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register_rest_route('aksrt/v1', '/captcha/exchange', [
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'methods' => 'POST',
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'permission_callback' => '__return_true',
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'callback' => static function (\WP_REST_Request $request) {
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$data = $request->get_json_params();
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$data = is_array($data) ? $data : [];
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$scene = sanitize_key((string) ($data['scene'] ?? ''));
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if (!aksrt_is_captcha_enabled_for($scene)) {
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return new \WP_Error('aksrt_captcha_scene', __('人机验证场景未启用', 'aksrt'), ['status' => 400]);
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}
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$cfg = aksrt_get_captcha_config();
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$provider = $cfg['active_provider'];
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$pcfg = $cfg[$provider] ?? [];
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if ($provider === '' || !aksrt_captcha_provider_is_configured($provider, $pcfg)) {
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return new \WP_Error('aksrt_captcha_config', __('人机验证配置不完整', 'aksrt'), ['status' => 503]);
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}
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$challenge = sanitize_text_field((string) ($data['aksrt_captcha_challenge'] ?? ''));
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if (!aksrt_captcha_validate_challenge($challenge, $scene, $provider, false)) {
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return new \WP_Error('aksrt_captcha_challenge', __('人机验证会话无效或已过期，请重试', 'aksrt'), ['status' => 400]);
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}
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// 原子占用 challenge：并发请求只有首个能进入厂商验签，其余直接 409，避免同一票据放大厂商调用。
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if (!aksrt_captcha_validate_challenge($challenge, $scene, $provider, true)) {
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return new \WP_Error('aksrt_captcha_replayed', __('人机验证会话已在验证中，请重试', 'aksrt'), ['status' => 409]);
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}
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$result = aksrt_verify_captcha_provider($provider, $pcfg, $data, aksrt_get_client_ip(), $scene);
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if (is_wp_error($result)) {
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aksrt_captcha_challenge_release($challenge);
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return $result;
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}
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try {
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$proof = aksrt_captcha_issue_proof($scene, $provider);
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} catch (\Throwable $e) {
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aksrt_captcha_challenge_release($challenge);
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return new \WP_Error('aksrt_captcha_proof', __('无法创建人机验证凭证，请重试', 'aksrt'), ['status' => 500]);
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}
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return new \WP_REST_Response([
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'success' => true,
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'data' => ['proof' => $proof],
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], 200);
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},
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]);
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});
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function aksrt_captcha_provider_metadata(): array {
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return [
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'tencent' => [
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'label' => __('腾讯云 Captcha', 'aksrt'),
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'fields' => [
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'secret_id' => ['default' => '', 'required' => true],
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'secret_key' => ['default' => '', 'required' => true, 'secret' => true],
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'app_id' => ['default' => '', 'required' => true],
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'app_secret_key' => ['default' => '', 'required' => true, 'secret' => true],
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],
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],
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'aliyun' => [
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'label' => __('阿里云 CAPTCHA 2.0', 'aksrt'),
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'fields' => [
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'region' => ['default' => 'cn', 'required' => true, 'values' => ['cn', 'sgp']],
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'prefix' => ['default' => '', 'required' => true],
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'scene_id' => ['default' => '', 'required' => true],
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'access_key_id' => ['default' => '', 'required' => true],
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'access_key_secret' => ['default' => '', 'required' => true, 'secret' => true],
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],
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],
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'cloudflare' => [
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'label' => __('Cloudflare Turnstile', 'aksrt'),
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'fields' => [
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'site_key' => ['default' => '', 'required' => true],
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'secret_key' => ['default' => '', 'required' => true, 'secret' => true],
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'theme' => ['default' => 'auto', 'values' => ['auto', 'light', 'dark']],
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'size' => ['default' => 'normal', 'values' => ['normal', 'compact']],
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],
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],
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'geetest' => [
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'label' => __('极验 GeeTest', 'aksrt'),
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'fields' => [
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'captcha_id' => ['default' => '', 'required' => true],
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'captcha_key' => ['default' => '', 'required' => true, 'secret' => true],
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'product' => ['default' => 'bind', 'values' => ['bind', 'float', 'popup']],
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],
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],
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];
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}
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/**
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* 支持的验证服务商。
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*/
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function aksrt_captcha_providers(): array {
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return ['tencent', 'aliyun', 'cloudflare', 'geetest'];
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return array_keys(aksrt_captcha_provider_metadata());
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}
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/**
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* 服务商字段白名单与默认值。
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*/
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function aksrt_captcha_provider_defaults(string $provider): array {
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$fields = aksrt_captcha_provider_metadata()[$provider]['fields'] ?? [];
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$defaults = [];
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foreach ($fields as $key => $meta) {
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$defaults[$key] = $meta['default'] ?? '';
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}
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return $defaults;
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}
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/**
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* 服务商 secret 字段。
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*/
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function aksrt_captcha_provider_secret_fields(string $provider): array {
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$fields = aksrt_captcha_provider_metadata()[$provider]['fields'] ?? [];
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return array_values(array_keys(array_filter($fields, static fn(array $meta): bool => !empty($meta['secret']))));
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}
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/**
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* 按集中元数据规范化服务商配置，丢弃未知键。
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*/
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function aksrt_captcha_sanitize_provider_config(string $provider, $raw): array {
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$meta = aksrt_captcha_provider_metadata()[$provider]['fields'] ?? [];
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if ($meta === []) {
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return [];
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}
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$raw = is_array($raw) ? $raw : [];
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$clean = aksrt_captcha_provider_defaults($provider);
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foreach ($meta as $key => $field) {
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if (!array_key_exists($key, $raw) || is_array($raw[$key]) || is_object($raw[$key])) {
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continue;
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}
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$value = sanitize_text_field((string) $raw[$key]);
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if (!empty($field['values']) && !in_array($value, $field['values'], true)) {
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continue;
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}
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$clean[$key] = $value;
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}
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return $clean;
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}
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/**
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@@ -47,17 +381,15 @@ function aksrt_captcha_scenes(): array {
|
||||
* 默认配置结构。
|
||||
*/
|
||||
function aksrt_captcha_default_config(): array {
|
||||
$default_scenes = array_values(array_diff(array_keys(aksrt_captcha_scenes()), ['front_submit']));
|
||||
return [
|
||||
'enabled' => false,
|
||||
'active_provider' => '',
|
||||
// Positive list: checked scenes require captcha. Front submissions stay opt-in.
|
||||
'enabled_scenarios' => $default_scenes,
|
||||
'tencent' => [],
|
||||
'aliyun' => [],
|
||||
'cloudflare' => [],
|
||||
'geetest' => [],
|
||||
$config = [
|
||||
'enabled' => false,
|
||||
'active_provider' => '',
|
||||
'enabled_scenarios' => [],
|
||||
];
|
||||
foreach (aksrt_captcha_providers() as $provider) {
|
||||
$config[$provider] = aksrt_captcha_provider_defaults($provider);
|
||||
}
|
||||
return $config;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -107,7 +439,7 @@ function aksrt_get_captcha_config(): array {
|
||||
'enabled_scenarios' => $enabled,
|
||||
];
|
||||
foreach (aksrt_captcha_providers() as $p) {
|
||||
$result[$p] = isset($cfg[$p]) && is_array($cfg[$p]) ? $cfg[$p] : [];
|
||||
$result[$p] = aksrt_captcha_sanitize_provider_config($p, $cfg[$p] ?? []);
|
||||
}
|
||||
|
||||
$cache = $result;
|
||||
@@ -125,13 +457,8 @@ function aksrt_captcha_config_reset(): void {
|
||||
* 各服务商必填字段。
|
||||
*/
|
||||
function aksrt_captcha_required_fields(string $provider): array {
|
||||
$map = [
|
||||
'tencent' => ['secret_id', 'secret_key', 'app_id', 'app_secret_key'],
|
||||
'aliyun' => ['region', 'prefix', 'scene_id', 'access_key_id', 'access_key_secret'],
|
||||
'cloudflare' => ['site_key', 'secret_key'],
|
||||
'geetest' => ['captcha_id', 'captcha_key'],
|
||||
];
|
||||
return $map[$provider] ?? [];
|
||||
$fields = aksrt_captcha_provider_metadata()[$provider]['fields'] ?? [];
|
||||
return array_values(array_keys(array_filter($fields, static fn(array $meta): bool => !empty($meta['required']))));
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -166,13 +493,7 @@ function aksrt_is_captcha_enabled_for($scene): bool {
|
||||
}
|
||||
|
||||
$cfg = aksrt_get_captcha_config();
|
||||
if (empty($cfg['enabled']) || $cfg['active_provider'] === '') {
|
||||
return false;
|
||||
}
|
||||
|
||||
$provider = $cfg['active_provider'];
|
||||
$pcfg = $cfg[$provider] ?? [];
|
||||
if (!aksrt_captcha_provider_is_configured($provider, $pcfg)) {
|
||||
if (empty($cfg['enabled'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@@ -180,46 +501,28 @@ function aksrt_is_captcha_enabled_for($scene): bool {
|
||||
}
|
||||
|
||||
/**
|
||||
* 场景验证通过后的服务端放行时长（秒），0 表示不启用。
|
||||
*
|
||||
* 下载页多个卡片共享一次验证结果（前端会把 token 同步到兄弟挂载点），
|
||||
* 而厂商 token 是一次性的，因此验证通过后由服务端记录短时放行，
|
||||
* 后续下载请求直接命中放行，避免票据被判定重复使用。
|
||||
*/
|
||||
function aksrt_captcha_pass_ttl(string $scene): int {
|
||||
return $scene === 'download' ? 10 * MINUTE_IN_SECONDS : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* 服务端放行记录的 transient key：场景 + 用户 + IP + UA。
|
||||
*/
|
||||
function aksrt_captcha_pass_key(string $scene): string {
|
||||
$ua = isset($_SERVER['HTTP_USER_AGENT']) ? (string) $_SERVER['HTTP_USER_AGENT'] : '';
|
||||
return 'aksrt_captcha_pass_' . md5($scene . '|' . get_current_user_id() . '|' . aksrt_get_client_ip() . '|' . md5($ua));
|
||||
}
|
||||
|
||||
/**
|
||||
* 业务入口统一调用：未启用放行；启用则校验。
|
||||
* 业务入口统一调用：仅显式关闭或未勾选场景放行；启用场景 fail-closed。
|
||||
*
|
||||
* @param string $scene 场景
|
||||
* @param array $payload 客户端提交的验证字段
|
||||
* @return true|string 成功返回 true，失败返回错误信息字符串
|
||||
* @return true|\WP_Error 成功返回 true，失败返回 WP_Error
|
||||
*/
|
||||
function aksrt_require_captcha(string $scene, array $payload = []) {
|
||||
if (!aksrt_is_captcha_enabled_for($scene)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
$ttl = aksrt_captcha_pass_ttl($scene);
|
||||
if ($ttl > 0 && get_transient(aksrt_captcha_pass_key($scene))) {
|
||||
return true;
|
||||
$cfg = aksrt_get_captcha_config();
|
||||
$provider = $cfg['active_provider'];
|
||||
if ($provider === '' || !aksrt_captcha_provider_is_configured($provider, $cfg[$provider] ?? [])) {
|
||||
return aksrt_captcha_error('aksrt_captcha_config', __('人机验证配置不完整，请联系站点管理员', 'aksrt'));
|
||||
}
|
||||
|
||||
$result = aksrt_verify_captcha($payload, $scene);
|
||||
if ($result === true && $ttl > 0) {
|
||||
set_transient(aksrt_captcha_pass_key($scene), time(), $ttl);
|
||||
$proof = sanitize_text_field((string) ($payload['aksrt_captcha_proof'] ?? ''));
|
||||
if (!aksrt_captcha_consume_proof($proof, $scene, $provider)) {
|
||||
return aksrt_captcha_error('aksrt_captcha_proof', __('人机验证凭证无效、已过期或已使用，请重试', 'aksrt'));
|
||||
}
|
||||
return $result;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -241,7 +544,7 @@ function aksrt_get_captcha_status_summary(): array {
|
||||
}
|
||||
|
||||
/**
|
||||
* 凭据未配齐时的后台警告（前台保持放行，验证码不是准入门槛）。
|
||||
* 凭据未配齐时的后台警告（已启用场景会 fail-closed，必须补全配置）。
|
||||
*/
|
||||
add_action('admin_notices', static function () {
|
||||
if (!current_user_can('manage_options')) {
|
||||
@@ -257,7 +560,7 @@ add_action('admin_notices', static function () {
|
||||
}
|
||||
echo '<div class="notice notice-error"><p>' . esc_html(sprintf(
|
||||
/* translators: %s: captcha provider key */
|
||||
__('人机验证服务商「%s」已启用但凭据未配齐，前台人机验证未生效。请到「功能&权限 → 人机验证」补全配置。', 'aksrt'),
|
||||
__('人机验证服务商「%s」已启用但凭据未配齐，已启用场景将拒绝请求。请到「功能&权限 → 人机验证」补全配置。', 'aksrt'),
|
||||
$provider
|
||||
)) . '</p></div>';
|
||||
});
|
||||
@@ -321,7 +624,7 @@ function aksrt_tencent_tc3_sign($secret_id, $secret_key, $service, $timestamp, $
|
||||
|
||||
$secret_date = hash_hmac('sha256', $date, 'TC3' . $secret_key, true);
|
||||
$secret_service = hash_hmac('sha256', $service, $secret_date, true);
|
||||
$secret_signing = hash_hmac('sha256', 'tc3_request', $secret_signing, true);
|
||||
$secret_signing = hash_hmac('sha256', 'tc3_request', $secret_service, true);
|
||||
$signature = hash_hmac('sha256', $string_to_sign, $secret_signing);
|
||||
|
||||
$authorization = 'TC3-HMAC-SHA256 '
|
||||
@@ -364,67 +667,79 @@ function aksrt_captcha_log(string $provider, string $detail): void {
|
||||
error_log('[AKSRT Captcha] ' . $provider . ': ' . $detail);
|
||||
}
|
||||
|
||||
function aksrt_captcha_error(string $code, string $message, array $data = []): \WP_Error {
|
||||
return new \WP_Error($code, $message, $data);
|
||||
}
|
||||
|
||||
/**
|
||||
* 校验客户端提交的人机验证字段。
|
||||
* Require a successful 2xx JSON response from a captcha provider.
|
||||
*
|
||||
* @param array $post_data 客户端字段（captcha_verified + 厂商 token）
|
||||
* @param string $scene 触发场景（用于 Cloudflare cdata 绑定校验）
|
||||
* @return true|string 成功返回 true，失败返回错误信息
|
||||
* @return array|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_captcha($post_data, string $scene = '') {
|
||||
$cfg = aksrt_get_captcha_config();
|
||||
if (empty($cfg['enabled']) || $cfg['active_provider'] === '') {
|
||||
return true;
|
||||
function aksrt_captcha_remote_json(string $provider, $response) {
|
||||
if (is_wp_error($response)) {
|
||||
aksrt_captcha_log($provider, $response->get_error_message());
|
||||
return aksrt_captcha_error('aksrt_captcha_transport', __('人机验证服务暂不可用，请稍后重试', 'aksrt'));
|
||||
}
|
||||
$status = (int) wp_remote_retrieve_response_code($response);
|
||||
if ($status < 200 || $status >= 300) {
|
||||
aksrt_captcha_log($provider, 'HTTP ' . $status . ': ' . substr((string) wp_remote_retrieve_body($response), 0, 500));
|
||||
return aksrt_captcha_error('aksrt_captcha_http', __('人机验证服务暂不可用，请稍后重试', 'aksrt'), ['status' => $status]);
|
||||
}
|
||||
$body = json_decode(wp_remote_retrieve_body($response), true);
|
||||
if (!is_array($body)) {
|
||||
aksrt_captcha_log($provider, 'unparsable response');
|
||||
return aksrt_captcha_error('aksrt_captcha_response', __('人机验证服务暂不可用，请稍后重试', 'aksrt'));
|
||||
}
|
||||
return $body;
|
||||
}
|
||||
|
||||
$provider = $cfg['active_provider'];
|
||||
$pcfg = $cfg[$provider] ?? [];
|
||||
$client_ip = aksrt_get_client_ip();
|
||||
|
||||
// 客户端验证字段（前端写入 captcha_verified=1 表示用户已完成交互）
|
||||
if (($post_data['captcha_verified'] ?? '') !== '1') {
|
||||
return __('人机验证失败', 'aksrt');
|
||||
/**
|
||||
* Execute one provider verification with an explicit configuration.
|
||||
*
|
||||
* @return true|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_captcha_provider(string $provider, array $pcfg, array $post_data, string $client_ip, string $scene = '', string $action = 'aksrt-verify') {
|
||||
if (!in_array($provider, aksrt_captcha_providers(), true)) {
|
||||
return aksrt_captcha_error('aksrt_captcha_provider', __('未知的人机验证服务商', 'aksrt'));
|
||||
}
|
||||
if (!aksrt_captcha_provider_is_configured($provider, $pcfg)) {
|
||||
return aksrt_captcha_error('aksrt_captcha_config', __('验证码配置不完整', 'aksrt'));
|
||||
}
|
||||
|
||||
switch ($provider) {
|
||||
case 'tencent':
|
||||
$result = aksrt_verify_tencent($pcfg, $post_data, $client_ip);
|
||||
break;
|
||||
return aksrt_verify_tencent($pcfg, $post_data, $client_ip);
|
||||
case 'cloudflare':
|
||||
$result = aksrt_verify_cloudflare($pcfg, $post_data, $client_ip, $scene);
|
||||
break;
|
||||
return aksrt_verify_cloudflare($pcfg, $post_data, $client_ip, $scene, $action);
|
||||
case 'geetest':
|
||||
$result = aksrt_verify_geetest($pcfg, $post_data);
|
||||
break;
|
||||
return aksrt_verify_geetest($pcfg, $post_data);
|
||||
case 'aliyun':
|
||||
$result = aksrt_verify_aliyun($pcfg, $post_data);
|
||||
break;
|
||||
default:
|
||||
return true;
|
||||
return aksrt_verify_aliyun($pcfg, $post_data);
|
||||
}
|
||||
|
||||
return $result === true ? true : ($result ?: __('人机验证失败', 'aksrt'));
|
||||
return aksrt_captcha_error('aksrt_captcha_provider', __('未知的人机验证服务商', 'aksrt'));
|
||||
}
|
||||
|
||||
/**
|
||||
* 腾讯云 Captcha 2.0（DescribeCaptchaResult + TC3-HMAC-SHA256）。
|
||||
*
|
||||
* @return true|string
|
||||
* @return true|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_tencent(array $pcfg, array $post_data, string $client_ip) {
|
||||
$ticket = (string) ($post_data['tencent_ticket'] ?? '');
|
||||
$randstr = (string) ($post_data['tencent_randstr'] ?? '');
|
||||
if ($ticket === '' || $randstr === '') {
|
||||
return __('缺少验证参数', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_missing', __('缺少验证参数', 'aksrt'));
|
||||
}
|
||||
if (str_starts_with($ticket, 'trerror_')) {
|
||||
return __('验证码 SDK 异常，请刷新页面重试（容灾票据）', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_disaster_ticket', __('验证码 SDK 异常，请刷新页面重试（容灾票据）', 'aksrt'));
|
||||
}
|
||||
|
||||
$secret_id = (string) ($pcfg['secret_id'] ?? '');
|
||||
$secret_key = (string) ($pcfg['secret_key'] ?? '');
|
||||
if ($secret_id === '' || $secret_key === '') {
|
||||
return __('验证码配置不完整：缺少云 API 密钥 (SecretId/SecretKey)', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_config', __('验证码配置不完整：缺少云 API 密钥 (SecretId/SecretKey)', 'aksrt'));
|
||||
}
|
||||
|
||||
$timestamp = time();
|
||||
@@ -445,20 +760,14 @@ function aksrt_verify_tencent(array $pcfg, array $post_data, string $client_ip)
|
||||
'headers' => $headers,
|
||||
'body' => $payload,
|
||||
]);
|
||||
if (is_wp_error($resp)) {
|
||||
aksrt_captcha_log('tencent', $resp->get_error_message());
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
}
|
||||
|
||||
$body = json_decode(wp_remote_retrieve_body($resp), true);
|
||||
if (!is_array($body)) {
|
||||
aksrt_captcha_log('tencent', 'unparsable response');
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
$body = aksrt_captcha_remote_json('tencent', $resp);
|
||||
if (is_wp_error($body)) {
|
||||
return $body;
|
||||
}
|
||||
if (isset($body['Response']['Error'])) {
|
||||
$err = $body['Response']['Error'];
|
||||
aksrt_captcha_log('tencent', ($err['Code'] ?? 'unknown') . ': ' . ($err['Message'] ?? ''));
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_provider_error', __('人机验证服务暂不可用，请稍后重试', 'aksrt'));
|
||||
}
|
||||
|
||||
$resp_data = $body['Response'] ?? [];
|
||||
@@ -477,60 +786,62 @@ function aksrt_verify_tencent(array $pcfg, array $post_data, string $client_ip)
|
||||
21 => '票据校验异常（风控拦截）',
|
||||
100 => '参数校验失败（AppId/SecretKey/Ticket 不匹配）',
|
||||
];
|
||||
$msg = $resp_data['CaptchaMsg'] ?? ($messages[$captcha_code] ?? '未知错误');
|
||||
return '腾讯验证失败: ' . $msg . " (CaptchaCode: {$captcha_code})";
|
||||
$msg = (string) ($resp_data['CaptchaMsg'] ?? ($messages[$captcha_code] ?? '未知错误'));
|
||||
aksrt_captcha_log('tencent', $msg . " (CaptchaCode: {$captcha_code})");
|
||||
return aksrt_captcha_error('aksrt_captcha_rejected', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
/**
|
||||
* Cloudflare Turnstile siteverify。校验 action 与 cdata（场景）绑定，防 token 转用。
|
||||
*
|
||||
* @return true|string
|
||||
* @return true|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_cloudflare(array $pcfg, array $post_data, string $client_ip, string $scene = '') {
|
||||
function aksrt_verify_cloudflare(array $pcfg, array $post_data, string $client_ip, string $scene = '', string $action = 'aksrt-verify') {
|
||||
$token = (string) ($post_data['cf_turnstile_response'] ?? '');
|
||||
if ($token === '' || strlen($token) < 10) {
|
||||
return __('缺少验证参数', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_missing', __('缺少验证参数', 'aksrt'));
|
||||
}
|
||||
|
||||
$secret = (string) ($pcfg['secret_key'] ?? '');
|
||||
$bodies = [
|
||||
['secret' => $secret, 'response' => $token],
|
||||
['secret' => $secret, 'response' => $token, 'remoteip' => $client_ip],
|
||||
];
|
||||
|
||||
$body = [];
|
||||
foreach ($bodies as $attempt) {
|
||||
$resp = wp_remote_post('https://challenges.cloudflare.com/turnstile/v0/siteverify', [
|
||||
'timeout' => 5,
|
||||
'body' => $attempt,
|
||||
]);
|
||||
if (is_wp_error($resp)) {
|
||||
continue;
|
||||
}
|
||||
$body = json_decode(wp_remote_retrieve_body($resp), true);
|
||||
if (!empty($body['success'])) {
|
||||
if (isset($body['action']) && (string) $body['action'] !== 'aksrt-verify') {
|
||||
aksrt_captcha_log('cloudflare', 'action mismatch: ' . (string) $body['action']);
|
||||
return __('人机验证未通过，请重试', 'aksrt');
|
||||
}
|
||||
if ($scene !== '' && isset($body['cdata']) && (string) $body['cdata'] !== $scene) {
|
||||
aksrt_captcha_log('cloudflare', 'cdata mismatch: ' . (string) $body['cdata'] . ' != ' . $scene);
|
||||
return __('人机验证未通过，请重试', 'aksrt');
|
||||
}
|
||||
return true;
|
||||
}
|
||||
$resp = wp_remote_post('https://challenges.cloudflare.com/turnstile/v0/siteverify', [
|
||||
'timeout' => 5,
|
||||
'body' => [
|
||||
'secret' => (string) ($pcfg['secret_key'] ?? ''),
|
||||
'response' => $token,
|
||||
'remoteip' => $client_ip,
|
||||
],
|
||||
]);
|
||||
$body = aksrt_captcha_remote_json('cloudflare', $resp);
|
||||
if (is_wp_error($body)) {
|
||||
return $body;
|
||||
}
|
||||
if (empty($body['success'])) {
|
||||
aksrt_captcha_log('cloudflare', 'siteverify failed: ' . implode(', ', (array) ($body['error-codes'] ?? [])));
|
||||
return aksrt_captcha_error('aksrt_captcha_rejected', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
if (is_array($body) && isset($body['error-codes'])) {
|
||||
aksrt_captcha_log('cloudflare', 'siteverify failed: ' . implode(', ', (array) $body['error-codes']));
|
||||
if (!array_key_exists('action', $body) || (string) $body['action'] !== $action) {
|
||||
aksrt_captcha_log('cloudflare', 'action mismatch: ' . (string) ($body['action'] ?? '<missing>') . ' != ' . $action);
|
||||
return aksrt_captcha_error('aksrt_captcha_action', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
return __('人机验证未通过，请重试', 'aksrt');
|
||||
if (!array_key_exists('cdata', $body) || (string) $body['cdata'] !== $scene) {
|
||||
aksrt_captcha_log('cloudflare', 'cdata mismatch: ' . (string) ($body['cdata'] ?? '<missing>') . ' != ' . $scene);
|
||||
return aksrt_captcha_error('aksrt_captcha_cdata', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
$expected_host = strtolower((string) wp_parse_url(home_url('/'), PHP_URL_HOST));
|
||||
$response_host = strtolower(trim((string) ($body['hostname'] ?? '')));
|
||||
if ($expected_host === '' || $response_host === '' || !hash_equals($expected_host, $response_host)) {
|
||||
aksrt_captcha_log('cloudflare', 'hostname mismatch: ' . ($response_host ?: '<missing>') . ' != ' . ($expected_host ?: '<missing>'));
|
||||
return aksrt_captcha_error('aksrt_captcha_hostname', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* 极验 GeeTest v4 validate。
|
||||
*
|
||||
* @return true|string
|
||||
* @return true|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_geetest(array $pcfg, array $post_data) {
|
||||
$lot_number = (string) ($post_data['geetest_lot_number'] ?? '');
|
||||
@@ -538,7 +849,7 @@ function aksrt_verify_geetest(array $pcfg, array $post_data) {
|
||||
$pass_token = (string) ($post_data['geetest_pass_token'] ?? '');
|
||||
$gen_time = (string) ($post_data['geetest_gen_time'] ?? '');
|
||||
if ($lot_number === '' || $captcha_output === '' || $pass_token === '') {
|
||||
return __('缺少验证参数', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_missing', __('缺少验证参数', 'aksrt'));
|
||||
}
|
||||
|
||||
$captcha_key = (string) ($pcfg['captcha_key'] ?? '');
|
||||
@@ -556,28 +867,26 @@ function aksrt_verify_geetest(array $pcfg, array $post_data) {
|
||||
],
|
||||
]);
|
||||
|
||||
if (is_wp_error($resp)) {
|
||||
aksrt_captcha_log('geetest', $resp->get_error_message());
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
$body = aksrt_captcha_remote_json('geetest', $resp);
|
||||
if (is_wp_error($body)) {
|
||||
return $body;
|
||||
}
|
||||
|
||||
$body = json_decode(wp_remote_retrieve_body($resp), true);
|
||||
if (is_array($body) && !empty($body['result']) && $body['result'] === 'success') {
|
||||
if (($body['result'] ?? '') === 'success') {
|
||||
return true;
|
||||
}
|
||||
aksrt_captcha_log('geetest', 'validate failed: ' . (string) ($body['reason'] ?? ($body['msg'] ?? 'unknown')));
|
||||
return __('人机验证未通过，请重试', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_rejected', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
/**
|
||||
* 阿里云 CAPTCHA 2.0 V3 (VerifyIntelligentCaptcha)。
|
||||
*
|
||||
* @return true|string
|
||||
* @return true|\WP_Error
|
||||
*/
|
||||
function aksrt_verify_aliyun(array $pcfg, array $post_data) {
|
||||
$captcha_verify_param = (string) ($post_data['aliyun_captcha_verify_param'] ?? '');
|
||||
if ($captcha_verify_param === '') {
|
||||
return __('缺少验证参数 (captchaVerifyParam)', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_missing', __('缺少验证参数 (captchaVerifyParam)', 'aksrt'));
|
||||
}
|
||||
|
||||
$region = (string) ($pcfg['region'] ?? 'cn');
|
||||
@@ -606,15 +915,9 @@ function aksrt_verify_aliyun(array $pcfg, array $post_data) {
|
||||
'body' => $params,
|
||||
]);
|
||||
|
||||
if (is_wp_error($resp)) {
|
||||
aksrt_captcha_log('aliyun', $resp->get_error_message());
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
}
|
||||
|
||||
$body = json_decode(wp_remote_retrieve_body($resp), true);
|
||||
if (!is_array($body)) {
|
||||
aksrt_captcha_log('aliyun', 'unparsable response');
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
$body = aksrt_captcha_remote_json('aliyun', $resp);
|
||||
if (is_wp_error($body)) {
|
||||
return $body;
|
||||
}
|
||||
if (!empty($body['Success'])) {
|
||||
$verify_result = $body['Result']['VerifyResult'] ?? false;
|
||||
@@ -640,11 +943,13 @@ function aksrt_verify_aliyun(array $pcfg, array $post_data) {
|
||||
'F020' => 'CaptchaVerifyParam 与场景 ID 不匹配',
|
||||
];
|
||||
$verify_code = (string) ($body['Result']['VerifyCode'] ?? '');
|
||||
return '阿里云 V3 验证失败: ' . ($code_messages[$verify_code] ?? '未知错误 (' . ($verify_code ?: 'N/A') . ')');
|
||||
$detail = $code_messages[$verify_code] ?? '未知错误 (' . ($verify_code ?: 'N/A') . ')';
|
||||
aksrt_captcha_log('aliyun', 'verify rejected: ' . $detail);
|
||||
return aksrt_captcha_error('aksrt_captcha_rejected', __('人机验证未通过，请重试', 'aksrt'));
|
||||
}
|
||||
|
||||
aksrt_captcha_log('aliyun', 'api failed: ' . (string) ($body['Message'] ?? 'unknown'));
|
||||
return __('人机验证服务暂不可用，请稍后重试', 'aksrt');
|
||||
return aksrt_captcha_error('aksrt_captcha_provider_error', __('人机验证服务暂不可用，请稍后重试', 'aksrt'));
|
||||
}
|
||||
|
||||
// ============================================================
|
||||
@@ -671,7 +976,7 @@ function aksrt_render_captcha($scene = 'comment') {
|
||||
echo '<div class="aksrt-captcha-misconfig" style="font-size:12px;color:#d03050;margin:8px 0;">';
|
||||
echo esc_html(sprintf(
|
||||
/* translators: %s: captcha provider key */
|
||||
__('人机验证服务商「%s」已启用但凭据未配齐，前台已跳过渲染。请到「功能&权限 → 人机验证」补全配置。', 'aksrt'),
|
||||
__('人机验证服务商「%s」已启用但凭据未配齐，当前场景将拒绝提交。请到「功能&权限 → 人机验证」补全配置。', 'aksrt'),
|
||||
$provider
|
||||
));
|
||||
echo '</div>';
|
||||
@@ -686,7 +991,9 @@ function aksrt_render_captcha($scene = 'comment') {
|
||||
'provider' => $provider,
|
||||
'scene' => $scene,
|
||||
'uid' => $uid,
|
||||
'vid' => $vid,
|
||||
'vid' => $vid,
|
||||
'challenge_url' => rest_url('aksrt/v1/captcha/challenge'),
|
||||
'exchange_url' => rest_url('aksrt/v1/captcha/exchange'),
|
||||
'tc' => ['app_id' => (string) ($pcfg['app_id'] ?? '')],
|
||||
'cf' => [
|
||||
'site_key' => (string) ($pcfg['site_key'] ?? ''),
|
||||
@@ -706,7 +1013,9 @@ function aksrt_render_captcha($scene = 'comment') {
|
||||
?>
|
||||
<div class="aksrt-captcha-wrap" data-provider="<?php echo esc_attr($provider); ?>" data-scene="<?php echo esc_attr($scene); ?>" data-aksrt-captcha-config="<?php echo esc_attr(wp_json_encode($js_config, JSON_UNESCAPED_UNICODE)); ?>">
|
||||
<div id="<?php echo esc_attr($uid); ?>" class="aksrt-captcha-box" style="display:none"></div>
|
||||
<input type="hidden" name="captcha_verified" id="<?php echo esc_attr($vid); ?>" value="0">
|
||||
<input type="hidden" name="captcha_verified" id="<?php echo esc_attr($vid); ?>" value="0">
|
||||
<input type="hidden" name="aksrt_captcha_challenge" value="">
|
||||
<input type="hidden" name="aksrt_captcha_proof" value="">
|
||||
</div>
|
||||
<?php
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user