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增加微信V3接口支持

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Anyon 2020-12-17 15:31:29 +08:00
parent d4a93b6d50
commit a4c94eed34
5 changed files with 469 additions and 0 deletions
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49
WePayV3/Cert.php Normal file
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<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WePayV3;
use WeChat\Exceptions\InvalidResponseException;
use WePayV3\Contracts\BasicWePay;
use WePayV3\Contracts\DecryptAes;
/**
* 平台证书管理
* Class Cert
* @package WePayV3
*/
class Cert extends BasicWePay
{
/**
* 商户平台下载证书
* @throws InvalidResponseException
*/
public function download()
{
try {
$aes = new DecryptAes($this->config['mch_v3_key']);
$result = $this->doRequest('GET', '/v3/certificates');
foreach ($result['data'] as $vo) {
$this->tmpFile($vo['serial_no'], $aes->decryptToString(
$vo['encrypt_certificate']['associated_data'],
$vo['encrypt_certificate']['nonce'],
$vo['encrypt_certificate']['ciphertext']
));
}
} catch (\Exception $exception) {
throw new InvalidResponseException($exception->getMessage(), $exception->getCode());
}
}
}

224
WePayV3/Contracts/BasicWePay.php Normal file
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<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WePayV3\Contracts;
use WeChat\Exceptions\InvalidArgumentException;
use WeChat\Exceptions\InvalidDecryptException;
use WeChat\Exceptions\InvalidResponseException;
use WePayV3\Cert;
/**
* 微信支付基础类
* Class BasicWePay
* @package WePayV3
*/
abstract class BasicWePay
{
/**
* 接口基础地址
* @var string
*/
protected $base = 'https://api.mch.weixin.qq.com';
/**
* 实例对象静态缓存
* @var array
*/
static $cache = [];
/**
* 配置参数
* @var array
*/
protected $config = [
'mch_id' => '', // 微信商户编号，需要配置
'mch_v3_key' => '', // 微信商户密钥，需要配置
'cert_serial' => '', // 商户证书序号，无需配置
'cert_public' => '', // 商户公钥内容，需要配置
'cert_private' => '', // 商户密钥内容，需要配置
];
/**
* BasicWePayV3 constructor.
* @param array $options [mch_id, mch_v3_key, cert_public, cert_private]
*/
public function __construct(array $options = [])
{
if (empty($options['mch_id'])) {
throw new InvalidArgumentException("Missing Config -- [mch_id]");
}
if (empty($options['mch_v3_key'])) {
throw new InvalidArgumentException("Missing Config -- [mch_v3_key]");
}
if (empty($options['cert_private'])) {
throw new InvalidArgumentException("Missing Config -- [cert_private]");
}
if (empty($options['cert_public'])) {
throw new InvalidArgumentException("Missing Config -- [cert_public]");
}
$this->config['mch_id'] = $options['mch_id'];
$this->config['mch_v3_key'] = $options['mch_v3_key'];
$this->config['cert_public'] = $options['cert_public'];
$this->config['cert_private'] = $options['cert_private'];
$this->config['cert_serial'] = openssl_x509_parse($this->config['cert_public'])['serialNumberHex'];
if (empty($this->config['cert_serial'])) {
throw new InvalidArgumentException("Failed to parse certificate public key");
}
}
/**
* 静态创建对象
* @param array $config
* @return static
*/
public static function instance(array $config)
{
$key = md5(get_called_class() . serialize($config));
if (isset(self::$cache[$key])) return self::$cache[$key];
return self::$cache[$key] = new static($config);
}
/**
* 模拟发起请求
* @param string $method 请求访问
* @param string $pathinfo 请求路由
* @param string $jsondata 请求数据
* @param bool $verify 是否验证
* @return array
* @throws InvalidResponseException
*/
public function doRequest($method, $pathinfo, $jsondata = '', $verify = false)
{
list($time, $nonce) = [time(), uniqid() . rand(1000, 9999)];
$jsondata = join("\n", [$method, $pathinfo, $time, $nonce, $jsondata, '']);
// 生成数据签名TOKEN
$token = sprintf('mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"',
$this->config['mch_id'], $nonce, $time, $this->config['cert_serial'], $this->signBuild($jsondata)
);
$header = ["Accept: application/json", 'User-Agent: https://thinkadmin.top', "Authorization: WECHATPAY2-SHA256-RSA2048 {$token}"];
list($header, $result) = $this->_doRequestCurl($method, $this->base . $pathinfo, ['data' => $jsondata, 'header' => $header]);
if ($verify) {
$headers = [];
foreach (explode("\n", $header) as $line) {
if (stripos($line, 'Wechatpay') !== false) {
list($name, $value) = explode(':', $line);
list(, $keys) = explode('wechatpay-', strtolower($name));
$headers[$keys] = trim($value);
}
}
$content = join("\n", [$headers['timestamp'], $headers['nonce'], $result, '']);
if (!$this->signVerify($content, $headers['signature'], $headers['serial'])) {
throw new InvalidResponseException("验证响应签名失败");
}
}
return json_decode($result, true);
}
/**
* 通过CURL模拟网络请求
* @param string $method 请求方法
* @param string $location 请求方法
* @param array $options 请求参数 [data, header]
* @return array [header,content]
*/
private function _doRequestCurl($method, $location, $options = [])
{
$curl = curl_init();
// CURL头信息设置
if (!empty($options['header'])) {
curl_setopt($curl, CURLOPT_HTTPHEADER, $options['header']);
}
// POST数据设置
if (strtolower($method) === 'post') {
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $options['data']);
}
curl_setopt($curl, CURLOPT_URL, $location);
curl_setopt($curl, CURLOPT_HEADER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 60);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
$content = curl_exec($curl);
$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
curl_close($curl);
return [substr($content, 0, $headerSize), substr($content, $headerSize)];
}
/**
* 生成数据签名
* @param string $data 签名内容
* @return string
*/
protected function signBuild($data)
{
$pkeyid = openssl_pkey_get_private($this->config['cert_private']);
openssl_sign($data, $signature, $pkeyid, 'sha256WithRSAEncryption');
return base64_encode($signature);
}
/**
* 验证内容签名
* @param string $data 签名内容
* @param string $sign 原签名值
* @param string $serial 证书序号
* @return int
* @throws InvalidResponseException
*/
protected function signVerify($data, $sign, $serial = '')
{
$cert = $this->tmpFile($serial);
if (empty($cert)) Cert::instance($this->config)->download();
return openssl_verify($data, base64_decode($sign), openssl_x509_read($cert), 'sha256WithRSAEncryption');
}
/**
* 写入或读取临时文件
* @param string $name
* @param null|string $content
* @return false|int|string
*/
protected function tmpFile($name, $content = null)
{
$tmpname = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'wxpay-' . md5($name);
if (is_null($content)) {
return file_exists($tmpname) ? base64_decode(file_get_contents($tmpname)) : '';
} else {
return file_put_contents($tmpname, base64_encode($content));
}
}
/**
* 支付通知
* @return array
* @throws InvalidDecryptException
*/
public function notify()
{
$data = $_POST;
if (isset($data['resource'])) {
$aes = new DecryptAes($this->config['mch_v3_key']);
$data['result'] = $aes->decryptToString(
$data['resource']['associated_data'],
$data['resource']['nonce'],
$data['resource']['algorithm']
);
}
return $data;
}
}

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WePayV3/Contracts/DecryptAes.php Normal file
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<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WePayV3\Contracts;
use WeChat\Exceptions\InvalidArgumentException;
use WeChat\Exceptions\InvalidDecryptException;
/**
* Aes 解密工具类
* Class DecryptAes
* @package WePayV3\Contracts
*/
class DecryptAes
{
private $aesKey;
const KEY_LENGTH_BYTE = 32;
const AUTH_TAG_LENGTH_BYTE = 16;
/**
* Constructor
* @param string $aesKey
*/
public function __construct($aesKey)
{
if (strlen($aesKey) != self::KEY_LENGTH_BYTE) {
throw new InvalidArgumentException('无效的ApiV3Key，长度应为32个字节');
}
$this->aesKey = $aesKey;
}
/**
* Decrypt AEAD_AES_256_GCM ciphertext
* @param string $associatedData AES GCM additional authentication data
* @param string $nonceStr AES GCM nonce
* @param string $ciphertext AES GCM cipher text
* @return string|bool Decrypted string on success or FALSE on failure
* @throws InvalidDecryptException
*/
public function decryptToString($associatedData, $nonceStr, $ciphertext)
{
$ciphertext = \base64_decode($ciphertext);
if (strlen($ciphertext) <= self::AUTH_TAG_LENGTH_BYTE) {
return false;
}
try {
// ext-sodium (default installed on >= PHP 7.2)
if (function_exists('\sodium_crypto_aead_aes256gcm_is_available') && \sodium_crypto_aead_aes256gcm_is_available()) {
return \sodium_crypto_aead_aes256gcm_decrypt($ciphertext, $associatedData, $nonceStr, $this->aesKey);
}
// ext-libsodium (need install libsodium-php 1.x via pecl)
if (function_exists('\Sodium\crypto_aead_aes256gcm_is_available') && \Sodium\crypto_aead_aes256gcm_is_available()) {
return \Sodium\crypto_aead_aes256gcm_decrypt($ciphertext, $associatedData, $nonceStr, $this->aesKey);
}
// openssl (PHP >= 7.1 support AEAD)
if (PHP_VERSION_ID >= 70100 && in_array('aes-256-gcm', \openssl_get_cipher_methods())) {
$ctext = substr($ciphertext, 0, -self::AUTH_TAG_LENGTH_BYTE);
$authTag = substr($ciphertext, -self::AUTH_TAG_LENGTH_BYTE);
return \openssl_decrypt($ctext, 'aes-256-gcm', $this->aesKey, \OPENSSL_RAW_DATA, $nonceStr, $authTag, $associatedData);
}
} catch (\Exception $exception) {
throw new InvalidDecryptException($exception->getMessage(), $exception->getCode());
} catch (\SodiumException $exception) {
throw new InvalidDecryptException($exception->getMessage(), $exception->getCode());
}
throw new InvalidDecryptException('AEAD_AES_256_GCM 需要 PHP 7.1 以上或者安装 libsodium-php');
}
}

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WePayV3/Order.php Normal file
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<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WePayV3;
use WeChat\Exceptions\InvalidArgumentException;
use WeChat\Exceptions\InvalidResponseException;
use WePayV3\Contracts\BasicWePay;
/**
* 微信订单接口
* Class Order
* @package WePayV3
*/
class Order extends BasicWePay
{
const WXPAY_H5 = 'h5';
const WXPAY_APP = 'app';
const WXPAY_JSAPI = 'jsapi';
const WXPAY_NATIVE = 'native';
/**
* 创建订单
* @param string $type
* @param string $options
* @return array
* @throws InvalidResponseException
*/
public function create($type, $options)
{
$types = [
'h5' => '/v3/pay/transactions/h5',
'app' => '/v3/pay/transactions/app',
'jsapi' => '/v3/pay/transactions/jsapi',
'native' => '/v3/pay/transactions/native',
];
if (empty($types[$type])) {
throw new InvalidArgumentException("Payment {$type} not definded.");
} else {
return $this->doRequest('POST', $types[$type], $options, true);
}
}
/**
* 订单查询
* @param string $orderNo
* @return array
* @throws InvalidResponseException
*/
public function query($orderNo)
{
$pathinfo = "/v3/pay/transactions/out-trade-no/{$orderNo}";
return $this->doRequest('GET', "{$pathinfo}?mchid={$this->config['mch_id']}", '', true);
}
}

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WePayV3/Refund.php Normal file
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<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WePayV3;
use WePayV3\Contracts\BasicWePay;
/**
* 订单退款接口
* Class Refund
* @package WePayV3
*/
class Refund extends BasicWePay
{
/**
* 创建支付订单
* @param string $data
* @return array
* @throws \WeChat\Exceptions\InvalidResponseException
*/
public function create($data)
{
return $this->doRequest('POST', '/v3/ecommerce/refunds/apply', $data, true);
}
/**
* 退款信息查询
* @param string $refundNo
* @return array
* @throws \WeChat\Exceptions\InvalidResponseException
*/
public function query($refundNo)
{
$pathinfo = "/v3/ecommerce/refunds/out-refund-no/{$refundNo}";
return $this->doRequest('GET', "{$pathinfo}?sub_mchid={$this->config['mch_id']}", '', true);
}
}