404 lines
13 KiB
PHP
404 lines
13 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Yansongda\Pay;
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use Psr\Http\Message\MessageInterface;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Yansongda\Pay\Contract\ConfigInterface;
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use Yansongda\Pay\Direction\NoHttpRequestDirection;
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use Yansongda\Pay\Exception\ContainerException;
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use Yansongda\Pay\Exception\Exception;
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use Yansongda\Pay\Exception\InvalidConfigException;
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use Yansongda\Pay\Exception\InvalidParamsException;
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use Yansongda\Pay\Exception\InvalidResponseException;
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use Yansongda\Pay\Exception\ServiceNotFoundException;
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use Yansongda\Pay\Plugin\ParserPlugin;
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use Yansongda\Pay\Plugin\Wechat\PreparePlugin;
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use Yansongda\Pay\Plugin\Wechat\RadarSignPlugin;
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use Yansongda\Pay\Plugin\Wechat\WechatPublicCertsPlugin;
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use Yansongda\Pay\Provider\Wechat;
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use Yansongda\Supports\Str;
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if (!function_exists('should_do_http_request')) {
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function should_do_http_request(string $direction): bool
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{
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return NoHttpRequestDirection::class !== $direction
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&& !in_array(NoHttpRequestDirection::class, class_parents($direction));
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}
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}
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if (!function_exists('get_tenant')) {
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function get_tenant(array $params = []): string
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{
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return strval($params['_config'] ?? 'default');
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}
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}
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if (!function_exists('get_alipay_config')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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*/
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function get_alipay_config(array $params = []): array
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{
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$alipay = Pay::get(ConfigInterface::class)->get('alipay');
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return $alipay[get_tenant($params)] ?? [];
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}
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}
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if (!function_exists('get_public_cert')) {
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function get_public_cert(string $key): string
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{
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return Str::endsWith($key, ['.cer', '.crt', '.pem']) ? file_get_contents($key) : $key;
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}
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}
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if (!function_exists('get_private_cert')) {
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function get_private_cert(string $key): string
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{
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if (Str::endsWith($key, ['.crt', '.pem'])) {
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return file_get_contents($key);
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}
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return "-----BEGIN RSA PRIVATE KEY-----\n".
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wordwrap($key, 64, "\n", true).
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"\n-----END RSA PRIVATE KEY-----";
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}
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}
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if (!function_exists('verify_alipay_sign')) {
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/**
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws ServiceNotFoundException
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* @throws InvalidResponseException
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*/
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function verify_alipay_sign(array $params, string $contents, string $sign): void
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{
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$public = get_alipay_config($params)['alipay_public_cert_path'] ?? null;
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if (empty($public)) {
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throw new InvalidConfigException(Exception::ALIPAY_CONFIG_ERROR, 'Missing Alipay Config -- [alipay_public_cert_path]');
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}
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// 优化publickey判断
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if (!Str::endsWith($public, ['.cer', '.crt', '.pem']) && stripos($public, '-----BEGIN PUBLIC KEY-----') === false) {
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$public = "-----BEGIN PUBLIC KEY-----\n".
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wordwrap($public, 64, "\n", true).
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"\n-----END PUBLIC KEY-----";
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}
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$result = 1 === openssl_verify(
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$contents,
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base64_decode($sign),
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get_public_cert($public),
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OPENSSL_ALGO_SHA256
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);
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if (!$result) {
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throw new InvalidResponseException(Exception::INVALID_RESPONSE_SIGN, 'Verify Alipay Response Sign Failed', func_get_args());
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}
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}
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}
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if (!function_exists('get_wechat_config')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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*/
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function get_wechat_config(array $params): array
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{
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$wechat = Pay::get(ConfigInterface::class)->get('wechat');
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return $wechat[get_tenant($params)] ?? [];
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}
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}
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if (!function_exists('get_wechat_base_uri')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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*/
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function get_wechat_base_uri(array $params): string
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{
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$config = get_wechat_config($params);
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return Wechat::URL[$config['mode'] ?? Pay::MODE_NORMAL];
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}
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}
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if (!function_exists('get_wechat_sign')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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* @throws InvalidConfigException
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*/
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function get_wechat_sign(array $params, string $contents): string
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{
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$privateKey = get_wechat_config($params)['mch_secret_cert'] ?? null;
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if (empty($privateKey)) {
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throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Missing Wechat Config -- [mch_secret_cert]');
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}
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$privateKey = get_private_cert($privateKey);
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openssl_sign($contents, $sign, $privateKey, 'sha256WithRSAEncryption');
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return base64_encode($sign);
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}
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}
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if (!function_exists('get_wechat_sign_v2')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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* @throws InvalidConfigException
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*/
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function get_wechat_sign_v2(array $params, array $payload, bool $upper = true): string
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{
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$key = get_wechat_config($params)['mch_secret_key_v2'] ?? null;
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if (empty($key)) {
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throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Missing Wechat Config -- [mch_secret_key_v2]');
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}
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ksort($payload);
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$buff = '';
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foreach ($payload as $k => $v) {
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$buff .= ('sign' != $k && '' != $v && !is_array($v)) ? $k.'='.$v.'&' : '';
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}
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$sign = md5($buff.'key='.$key);
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return $upper ? strtoupper($sign) : $sign;
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}
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}
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if (!function_exists('verify_wechat_sign')) {
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/**
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* @param ResponseInterface|ServerRequestInterface $message
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*
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws InvalidResponseException
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* @throws ServiceNotFoundException
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* @throws InvalidParamsException
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*/
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function verify_wechat_sign(MessageInterface $message, array $params): void
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{
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if ($message instanceof ServerRequestInterface && 'localhost' === $message->getUri()->getHost()) {
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return;
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}
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$wechatSerial = $message->getHeaderLine('Wechatpay-Serial');
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$timestamp = $message->getHeaderLine('Wechatpay-Timestamp');
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$random = $message->getHeaderLine('Wechatpay-Nonce');
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$sign = $message->getHeaderLine('Wechatpay-Signature');
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$body = (string) $message->getBody();
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$content = $timestamp."\n".$random."\n".$body."\n";
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$public = get_wechat_config($params)['wechat_public_cert_path'][$wechatSerial] ?? null;
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if (empty($sign)) {
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throw new InvalidResponseException(Exception::INVALID_RESPONSE_SIGN, '', ['headers' => $message->getHeaders(), 'body' => $body]);
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}
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$public = get_public_cert(
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empty($public) ? reload_wechat_public_certs($params, $wechatSerial) : $public
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);
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$result = 1 === openssl_verify(
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$content,
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base64_decode($sign),
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$public,
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'sha256WithRSAEncryption'
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);
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if (!$result) {
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throw new InvalidResponseException(Exception::INVALID_RESPONSE_SIGN, '', ['headers' => $message->getHeaders(), 'body' => $body]);
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}
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}
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}
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if (!function_exists('encrypt_wechat_contents')) {
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function encrypt_wechat_contents(string $contents, string $publicKey): ?string
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{
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if (openssl_public_encrypt($contents, $encrypted, get_public_cert($publicKey), OPENSSL_PKCS1_OAEP_PADDING)) {
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return base64_encode($encrypted);
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}
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return null;
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}
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}
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if (!function_exists('reload_wechat_public_certs')) {
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/**
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws ServiceNotFoundException
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* @throws InvalidParamsException
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* @throws InvalidResponseException
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*/
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function reload_wechat_public_certs(array $params, ?string $serialNo = null): string
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{
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$data = Pay::wechat()->pay(
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[PreparePlugin::class, WechatPublicCertsPlugin::class, RadarSignPlugin::class, ParserPlugin::class],
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$params
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)->get('data', []);
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foreach ($data as $item) {
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$certs[$item['serial_no']] = decrypt_wechat_resource($item['encrypt_certificate'], $params)['ciphertext'] ?? '';
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}
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$wechatConfig = get_wechat_config($params);
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Pay::get(ConfigInterface::class)->set(
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'wechat.'.get_tenant($params).'.wechat_public_cert_path',
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((array) ($wechatConfig['wechat_public_cert_path'] ?? [])) + ($certs ?? [])
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);
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if (!is_null($serialNo) && empty($certs[$serialNo])) {
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throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Get Wechat Public Cert Error');
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}
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return $certs[$serialNo] ?? '';
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}
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}
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if (!function_exists('get_wechat_public_certs')) {
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/**
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws ServiceNotFoundException
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* @throws InvalidParamsException
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* @throws InvalidResponseException
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*/
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function get_wechat_public_certs(array $params = [], ?string $path = null): void
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{
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reload_wechat_public_certs($params);
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$config = get_wechat_config($params);
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if (empty($path)) {
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var_dump($config['wechat_public_cert_path']);
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return;
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}
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foreach ($config['wechat_public_cert_path'] as $serialNo => $cert) {
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file_put_contents($path.'/'.$serialNo.'.crt', $cert);
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}
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}
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}
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if (!function_exists('decrypt_wechat_resource')) {
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/**
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws InvalidResponseException
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* @throws ServiceNotFoundException
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*/
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function decrypt_wechat_resource(array $resource, array $params): array
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{
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$ciphertext = base64_decode($resource['ciphertext'] ?? '');
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$secret = get_wechat_config($params)['mch_secret_key'] ?? null;
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if (strlen($ciphertext) <= Wechat::AUTH_TAG_LENGTH_BYTE) {
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throw new InvalidResponseException(Exception::INVALID_CIPHERTEXT_PARAMS);
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}
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if (is_null($secret) || Wechat::MCH_SECRET_KEY_LENGTH_BYTE != strlen($secret)) {
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throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Missing Wechat Config -- [mch_secret_key]');
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}
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switch ($resource['algorithm'] ?? '') {
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case 'AEAD_AES_256_GCM':
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$resource['ciphertext'] = decrypt_wechat_resource_aes_256_gcm($ciphertext, $secret, $resource['nonce'] ?? '', $resource['associated_data'] ?? '');
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break;
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default:
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throw new InvalidResponseException(Exception::INVALID_REQUEST_ENCRYPTED_METHOD);
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}
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return $resource;
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}
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}
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if (!function_exists('decrypt_wechat_resource_aes_256_gcm')) {
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/**
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* @return array|string
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*
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* @throws InvalidResponseException
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*/
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function decrypt_wechat_resource_aes_256_gcm(string $ciphertext, string $secret, string $nonce, string $associatedData)
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{
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$decrypted = openssl_decrypt(
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substr($ciphertext, 0, -Wechat::AUTH_TAG_LENGTH_BYTE),
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'aes-256-gcm',
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$secret,
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OPENSSL_RAW_DATA,
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$nonce,
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substr($ciphertext, -Wechat::AUTH_TAG_LENGTH_BYTE),
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$associatedData
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);
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if ('certificate' !== $associatedData) {
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$decrypted = json_decode(strval($decrypted), true);
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if (JSON_ERROR_NONE !== json_last_error()) {
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throw new InvalidResponseException(Exception::INVALID_REQUEST_ENCRYPTED_DATA);
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}
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}
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return $decrypted;
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}
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}
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if (!function_exists('get_unipay_config')) {
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/**
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* @throws ContainerException
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* @throws ServiceNotFoundException
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*/
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function get_unipay_config(array $params): array
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{
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$unipay = Pay::get(ConfigInterface::class)->get('unipay');
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return $unipay[get_tenant($params)] ?? [];
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}
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}
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if (!function_exists('verify_unipay_sign')) {
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/**
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* @throws ContainerException
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* @throws InvalidConfigException
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* @throws InvalidResponseException
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* @throws ServiceNotFoundException
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*/
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function verify_unipay_sign(array $params, string $contents, string $sign): void
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{
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if (empty($params['signPubKeyCert'])
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&& empty($public = get_unipay_config($params)['unipay_public_cert_path'] ?? null)) {
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throw new InvalidConfigException(Exception::UNIPAY_CONFIG_ERROR, 'Missing Unipay Config -- [unipay_public_cert_path]');
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}
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$result = 1 === openssl_verify(
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hash('sha256', $contents),
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base64_decode($sign),
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get_public_cert($params['signPubKeyCert'] ?? $public ?? ''),
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'sha256'
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);
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if (!$result) {
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throw new InvalidResponseException(Exception::INVALID_RESPONSE_SIGN, 'Verify Unipay Response Sign Failed', func_get_args());
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}
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}
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}
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