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hfpf committed Nov 14, 2017
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45 changes: 45 additions & 0 deletions README.md
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# alipay
一个简单的支付宝sdk,封装了支付宝API,目前只实现了支付相关的以下四个接口:
* alipay.trade.wap.pay
* alipay.trade.page.pay
* alipay.trade.app.pay
* alipay.trade.query
* alipay.trade.refund

##### 使用方法如下:
```
$config = [
// 应用ID,您的APPID(必填)
'app_id' => 'xxxxxxxxxxxx',
// 私钥文件路径(秘钥和秘钥文件路径不能同时为空)(
//'private_key_file_path' => null,
// 公钥文件路径(秘钥和秘钥文件路径不能同时为空)
//'public_key_file_path' => null,
// 商户私钥(秘钥和秘钥文件路径不能同时为空)
'private_key' => 'your-private-key',
// 支付宝公钥(秘钥和秘钥文件路径不能同时为空),查看地址:https://openhome.alipay.com/platform/keyManage.htm 对应APPID下的支付宝公钥。
'public_key' => 'your-public-key',
// 默认异步通知地址(可选配置项:默认为"")
//'notify_url' => 'http://api.test.alipay.net/atinterface/receive_notify.htm',
// 默认同步跳转地址(可选配置项:默认为"")
//'return_url' => '',
// 编码格式(可选配置项,默认为UTF-8)
//'charset' => 'UTF-8',
// 签名方式(可选配置项,默认为RSA2)
//'sign_type'=>'RSA2',
// 支付宝网关(可选配置项,默认为https://openapi.alipay.com/gateway.do)
//'gatewayUrl' => ''
];
$payment = new Payment($config);
$appOrder = new WebOrder('your-order-number', '1.0', 'order-title', 'order-detail', '');
$params = $payment->getPayParams($appOrder);
```
24 changes: 24 additions & 0 deletions composer.json
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{
"name": "huangfu/alipay",
"description": "支付宝支付SDK",
"keywords": [
"alipay",
"alipay-sdk"
],
"require": {
"php":">=5.5.0",
"guzzlehttp/guzzle": "~6.2"
},
"license": "MIT",
"authors": [
{
"name": "huangfu",
"email": "[email protected]"
}
],
"autoload": {
"psr-4": {
"Alipay\\": "src/"
}
}
}
40 changes: 40 additions & 0 deletions src/Payment/AppOrder.php
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<?php

namespace Alipay\Payment;


class AppOrder extends Order
{
/**
* AppOrder constructor.
* @param $outTradeNo 商户订单号.
* @param $totalAmount 订单总金额,整形,此处单位为元,精确到小数点后2位,不能超过1亿元
* @param $subject 订单标题,粗略描述用户的支付目的。
* @param $body 订单描述,可以对交易或商品进行一个详细地描述,比如填写"购买商品2件共15.00元"
* @param $passback_params 公用回传参数,如果请求时传递了该参数,则返回给商户时会回传该参数。支付宝只会
* 在异步通知时将该参数原样返回。本参数必须进行UrlEncode之后才可以发送给支付宝
*/
public function __construct($outTradeNo, $totalAmount, $subject, $body, $passback_params)
{
// 商户订单号.
$this->bizContent['out_trade_no'] = $outTradeNo;
// 订单总金额,整形,此处单位为元,精确到小数点后2位,不能超过1亿元
$this->bizContent['total_amount'] = $totalAmount;
// 订单标题,粗略描述用户的支付目的。
$this->bizContent['subject'] = $subject;
// 订单描述,可以对交易或商品进行一个详细地描述,比如填写"购买商品2件共15.00元"
$this->bizContent['body'] = $body;
// (推荐使用,相对时间) 该笔订单允许的最晚付款时间,逾期将关闭交易。取值范围:1m~15d。m-分钟,h-小时,d-天,1c-当天(1c-当天的情况下,无论交易何时创建,都在0点关闭)。 该参数数值不接受小数点, 如 1.5h,可转换为 90m
$this->bizContent['timeout_express'] = '1c';
// 产品标示码,固定值:FAST_INSTANT_TRADE_PAY
$this->bizContent['product_code'] = "FAST_INSTANT_TRADE_PAY";
/* 公用回传参数,如果请求时传递了该参数,则返回给商户时会回传该参数。支付宝只会
在异步通知时将该参数原样返回。本参数必须进行UrlEncode之后才可以发送给支付宝 */
$this->bizContent['passback_params'] = json_encode($passback_params);
}

public function getMethod()
{
return 'alipay.trade.app.pay';
}
}
29 changes: 29 additions & 0 deletions src/Payment/Order.php
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<?php
/**
* Created by PhpStorm.
* User: huangfu
* Date: 2017/11/13
* Time: 16:53
*/

namespace Alipay\Payment;


abstract class Order
{
protected $bizContent = [];

public function getBizContent()
{
if (!empty($this->bizContent)) {
return json_encode($this->bizContent, JSON_UNESCAPED_UNICODE);
}
return null;
}

/**
* 获取当前订单的接口名称
* @return mixed
*/
public abstract function getMethod();
}
203 changes: 203 additions & 0 deletions src/Payment/Payment.php
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<?php

namespace Alipay\Payment;

class Payment
{
//网关
public $gatewayUrl = "https://openapi.alipay.com/gateway.do";
//应用ID
public $appId;
//私钥文件路径
public $rsaPrivateKeyFilePath;
//支付宝公钥文件路径
public $rsaPublicKeyFilePath;
//app私钥
public $rsaPrivateKey;
//使用文件读取文件格式,请只传递该值
public $alipayPublicKey = null;
//支付宝公钥,使用读取字符串格式,请只传递该值
public $alipayrsaPublicKey;
//api版本
public $apiVersion = "1.0";
// 表单提交字符集编码
public $postCharset = "UTF-8";
//返回数据格式,仅支持JSON
public $format = "json";
//签名类型
public $signType = "RSA2";
//
public $notifyUrl = '';

public $returnUrl = '';

public function __construct(array $config)
{
$this->appId = $config['app_id'];
$this->rsaPrivateKeyFilePath
= isset($config['private_key_file_path']) ? $config['private_key_file_path'] : null;
$this->rsaPublicKeyFilePath
= isset($config['public_key_file_path']) ? $config['public_key_file_path'] : null;
$this->rsaPrivateKey = isset($config['private_key']) ? $config['private_key'] : null;
$this->alipayrsaPublicKey = $config['public_key'] ? $config['public_key'] : null;
$this->notifyUrl = isset($config['notify_url']) ? $config['notify_url'] : '';
$this->returnUrl = isset($config['return_url']) ? $config['return_url'] : '';
$this->postCharset = isset($config['charset']) ? $config['charset'] : 'UTF-8';
$this->signType = isset($config['sign_type']) ? $config['sign_type'] : 'RSA2';
$this->gatewayUrl = isset($config['gatewayUrl']) ? $config['gatewayUrl'] : "https://openapi.alipay.com/gateway.do";
}

/**
* 获取订单支付参数
* @param $order 订单参数信息
*/
public function getPayParams(Order $order)
{
//组装系统参数
$sysParams["app_id"] = $this->appId;
$sysParams["version"] = $this->apiVersion;
$sysParams["format"] = $this->format;
$sysParams["sign_type"] = $this->signType;
$sysParams["method"] = $order->getMethod();
$sysParams["timestamp"] = date("Y-m-d H:i:s");
$sysParams["terminal_type"] = null;
$sysParams["terminal_info"] = null;
$sysParams["prod_code"] = null;
$sysParams["notify_url"] = $this->notifyUrl;
$sysParams["return_url"] = $this->returnUrl;
$sysParams["charset"] = $this->postCharset;
$sysParams["biz_content"] = $order->getBizContent();
$sysParams["sign"] = $this->generateSign($sysParams, $this->signType);
return $sysParams;
}

/** rsaCheckV1 & rsaCheckV2
* 验证签名
* 在使用本方法前,必须初始化AopClient且传入公钥参数。
* 公钥是否是读取字符串还是读取文件,是根据初始化传入的值判断的。
**/
public function rsaCheckV1($params, $signType = 'RSA')
{
$sign = $params['sign'];
$params['sign_type'] = null;
$params['sign'] = null;
return $this->verify($this->getSignContent($params), $sign, $signType);
}

/**
* 生成待签名字符串
* @param $params
* @return string
*/
function getSignContent($params)
{
ksort($params);

$stringToBeSigned = "";
$i = 0;
foreach ($params as $k => $v) {
if (false === $this->checkEmpty($v) && "@" != substr($v, 0, 1)) {

if ($i == 0) {
$stringToBeSigned .= "$k" . "=" . "$v";
} else {
$stringToBeSigned .= "&" . "$k" . "=" . "$v";
}
$i++;
}
}

unset ($k, $v);
return $stringToBeSigned;
}

/**
* 生成签名
* @param $params
* @param string $signType
* @return string
*/
function generateSign($params, $signType = "RSA")
{
return $this->sign($this->getSignContent($params), $signType);
}

function sign($data, $signType = "RSA")
{
if ($this->checkEmpty($this->rsaPrivateKeyFilePath)) {
$priKey = $this->rsaPrivateKey;
$res = "-----BEGIN RSA PRIVATE KEY-----\n" .
wordwrap($priKey, 64, "\n", true) .
"\n-----END RSA PRIVATE KEY-----";
} else {
$priKey = file_get_contents($this->rsaPrivateKeyFilePath);
$res = openssl_get_privatekey($priKey);
}

($res) or die('您使用的私钥格式错误,请检查RSA私钥配置');

if ("RSA2" == $signType) {
openssl_sign($data, $sign, $res, OPENSSL_ALGO_SHA256);
} else {
openssl_sign($data, $sign, $res);
}

if (!$this->checkEmpty($this->rsaPrivateKeyFilePath)) {
openssl_free_key($res);
}
$sign = base64_encode($sign);
return $sign;
}

/**
* 校验$value是否非空
* if not set ,return true;
* if is null , return true;
**/
function checkEmpty($value)
{
if (!isset($value))
return true;
if ($value === null)
return true;
if (trim($value) === "")
return true;

return false;
}


function verify($data, $sign, $signType = 'RSA')
{

if ($this->checkEmpty($this->alipayPublicKey)) {

$pubKey = $this->alipayrsaPublicKey;
$res = "-----BEGIN PUBLIC KEY-----\n" .
wordwrap($pubKey, 64, "\n", true) .
"\n-----END PUBLIC KEY-----";
} else {
//读取公钥文件
$pubKey = file_get_contents($this->rsaPublicKeyFilePath);
//转换为openssl格式密钥
$res = openssl_get_publickey($pubKey);
}

($res) or die('支付宝RSA公钥错误。请检查公钥文件格式是否正确');

//调用openssl内置方法验签,返回bool值

if ("RSA2" == $signType) {
$result = (bool)openssl_verify($data, base64_decode($sign), $res, OPENSSL_ALGO_SHA256);
} else {
$result = (bool)openssl_verify($data, base64_decode($sign), $res);
}

if (!$this->checkEmpty($this->alipayPublicKey)) {
//释放资源
openssl_free_key($res);
}

return $result;
}
}
23 changes: 23 additions & 0 deletions src/Payment/QueryOrder.php
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<?php

namespace Alipay\Payment;

/* 统一收单线下交易查询 */
class QueryOrder extends Order
{
/**
* QueryOrder constructor.
* @param $outTradeNo 商户订单号.
*/
public function __construct($outTradeNo)
{
// 商户订单号.
$this->bizContentarr['out_trade_no'] = $outTradeNo;
}

public function getMethod()
{
// 统一收单线下交易查询
return 'alipay.trade.query';
}
}
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