1 | <?php |
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2 | /** |
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3 | * Class Pay |
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4 | * |
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5 | * @link https://www.icy2003.com/ |
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6 | * @author icy2003 <[email protected]> |
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7 | * @copyright Copyright (c) 2017, icy2003 |
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8 | */ |
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9 | namespace icy2003\php\iapis\alipay; |
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10 | |||
11 | use Exception; |
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12 | use icy2003\php\I; |
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13 | use icy2003\php\iapis\Api; |
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14 | use icy2003\php\ihelpers\Base64; |
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15 | use icy2003\php\ihelpers\Charset; |
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16 | use icy2003\php\ihelpers\Crypto; |
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17 | use icy2003\php\ihelpers\Json; |
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18 | use icy2003\php\ihelpers\Request; |
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19 | use icy2003\php\ihelpers\Strings; |
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20 | |||
21 | /** |
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22 | * 支付宝支付 |
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23 | * |
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24 | * - 参看[支付宝支付开发文档](https://docs.open.alipay.com/) |
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25 | */ |
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26 | class Pay extends Api |
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27 | { |
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28 | use PaySetterTrait; |
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29 | |||
30 | /** |
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31 | * 初始化 |
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32 | * |
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33 | * @param string $appId 支付宝分配给开发者的应用ID |
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34 | * @param string $rsaPrivateKey 商户私钥 |
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35 | */ |
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36 | public function __construct($appId, $rsaPrivateKey) |
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37 | { |
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38 | $this->_appId = $appId; |
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39 | if (null === $this->_appId) { |
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40 | throw new Exception("缺少应用 ID"); |
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41 | } |
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42 | $this->_rsaPrivateKey = $rsaPrivateKey; |
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43 | if (null === $this->_rsaPrivateKey) { |
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44 | throw new Exception("缺少商户私钥"); |
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45 | } |
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46 | } |
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47 | |||
48 | /** |
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49 | * 支付类型:APP |
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50 | */ |
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51 | const TRADE_TYPE_APP = 'APP'; |
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52 | |||
53 | /** |
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54 | * 支付接口 |
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55 | * |
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56 | * - APP支付:返回的字符串需给客户端拉起支付宝 |
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57 | * |
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58 | * @return static |
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59 | */ |
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60 | public function pay() |
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61 | { |
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62 | if (null === $this->_tradeType) { |
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63 | throw new Exception('请使用 setTradeType 定义支付类型'); |
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64 | } |
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65 | // APP 支付 |
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66 | if (self::TRADE_TYPE_APP === $this->_tradeType) { |
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67 | if (null === I::get($this->_options, 'biz_content.total_amount')) { |
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68 | throw new Exception('请使用 setBizContentTotalAmount 设置 biz_content.total_amount'); |
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69 | } |
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70 | if (null === I::get($this->_options, 'biz_content.subject')) { |
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71 | throw new Exception('请使用 setBizContentSubject 设置:biz_content.subject'); |
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72 | } |
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73 | if (null === I::get($this->_options, 'biz_content.out_trade_no')) { |
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74 | throw new Exception('请使用 setBizContentOutTradeNo 设置:biz_content.out_trade_no'); |
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75 | } |
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76 | $values = array_filter([ |
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77 | 'app_id' => $this->_appId, |
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78 | 'method' => 'alipay.trade.app.pay', |
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79 | 'format' => I::get($this->_options, 'format'), |
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80 | 'return_url' => I::get($this->_options, 'return_url'), |
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81 | 'charset' => I::get($this->_options, 'charset', 'utf-8'), |
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82 | 'sign_type' => I::get($this->_options, 'sign_type', 'RSA2'), |
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83 | 'timestamp' => I::get($this->_options, 'timestamp', date('Y-m-d H:i:s')), |
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84 | 'version' => '1.0', |
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85 | 'notify_url' => I::get($this->_options, 'notify_url'), |
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86 | 'app_auth_token' => I::get($this->_options, 'app_auth_token'), |
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87 | 'biz_content' => Json::encode(I::get($this->_options, 'biz_content', [])), |
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88 | ]); |
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89 | $values['sign'] = $this->getSign($values); |
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90 | $this->_result = http_build_query($values); |
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0 ignored issues
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91 | } |
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92 | |||
93 | return $this; |
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94 | } |
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95 | |||
96 | /** |
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97 | * 生成签名 |
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98 | * |
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99 | * @param array $params 签名参数 |
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100 | * |
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101 | * @return string |
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102 | */ |
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103 | public function getSign($params) |
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104 | { |
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105 | ksort($params); |
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106 | // 不得不吐槽,支付宝这部分代码写的比微信的烂 |
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107 | $array = []; |
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108 | $params = array_filter($params); |
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109 | foreach ($params as $key => $value) { |
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110 | if ('sign' !== $key && false === Strings::isStartsWith($value, '@')) { |
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111 | $array[] = $key . '=' . Charset::convertTo($value, (string)I::get($this->_options, 'charset', 'utf-8')); |
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112 | } |
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113 | } |
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114 | $string = implode('&', $array); |
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115 | $crypto = new Crypto(); |
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116 | $crypto->setPair([null, $this->_rsaPrivateKey]); |
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117 | $signType = I::get($this->_options, 'sign_type', 'RSA2'); |
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118 | if ('RSA' === $signType) { |
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119 | $sign = $crypto->getSignature($string, OPENSSL_ALGO_SHA1); |
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120 | } elseif ('RSA2' === $signType) { |
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121 | $sign = $crypto->getSignature($string, OPENSSL_ALGO_SHA256); |
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122 | } else { |
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123 | throw new Exception("不支持的签名类型"); |
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124 | } |
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125 | $sign = Base64::encode($sign); |
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126 | return $sign; |
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127 | } |
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128 | |||
129 | /** |
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130 | * 支付结果通知以及退款结果通知的数据处理 |
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131 | * |
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132 | * 请参考[交易状态问题解析](https://openclub.alipay.com/club/history/read/5407) |
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133 | * |
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134 | * @return array |
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135 | */ |
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136 | public function getNotifyArray() |
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137 | { |
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138 | return (new Request())->post(); |
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139 | } |
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140 | |||
141 | /** |
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142 | * 返回通知成功时发送给支付宝的字符串 |
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143 | * |
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144 | * @return string |
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145 | */ |
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146 | public function getNotifyReturn() |
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147 | { |
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148 | return 'success'; |
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149 | } |
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150 | |||
151 | /** |
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152 | * self::getNotifyArray 和 self::getNotifyReturn 的结合:通知为交易成功时,$callback 为 true,则输出成功给微信 |
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153 | * |
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154 | * - 回调参数: |
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155 | * 1. 通知数组:$array 支付宝返回的原始数据 |
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156 | * 2. 是否支付成功:$isPay |
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157 | * 3. 是否退款成功:$isRefund |
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158 | * 4. 是否全额退款:$isRefundFull 退款金额(refund_fee)永远和总金额(total_amount)对比,不考虑优惠,如需计算优惠,请直接使用 $array 原始数据自行计算 |
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159 | * - 回调函数返回 true 时才会输出成功给支付宝 |
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160 | * |
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161 | * @param callback $callback 回调函数 |
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162 | * |
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163 | * @return void |
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164 | * @info 此函数之后不得有任何输出 |
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165 | */ |
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166 | public function notify($callback = null) |
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167 | { |
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168 | $array = $this->getNotifyArray(); |
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169 | if (!empty($array)) { |
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170 | $isPay = $isRefund = $isRefundFull = null; |
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171 | $tradeStatus = I::get($array, 'trade_status'); |
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172 | $refundFee = I::get($array, 'refund_fee'); |
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173 | $totalAmount = I::get($array, 'total_amount'); |
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174 | if ($refundFee > 0) { |
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175 | $isRefund = true; |
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176 | if ('TRADE_CLOSED' === $tradeStatus && $refundFee === $totalAmount) { |
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177 | // 3、交易成功后,交易全额退款交易状态转为TRADE_CLOSED(交易关闭) |
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178 | // 7、如果一直部分退款退完所有交易金额则交易状态转为TRADE_CLOSED(交易关闭) |
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179 | $isRefundFull = true; |
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180 | } elseif ('TRADE_SUCCESS' === $tradeStatus && $refundFee < $totalAmount) { |
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181 | // 6、交易成功后部分退款,交易状态仍为TRADE_SUCCESS(交易成功) |
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182 | $isRefundFull = false; |
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183 | } |
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184 | } elseif ($totalAmount > 0) { |
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185 | if ('TRADE_CLOSED' === $tradeStatus) { |
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186 | // 2、交易创建成功后,用户未付款交易超时关闭交易状态转为TRADE_CLOSED(交易关闭) |
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187 | $isPay = false; |
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188 | } elseif ('TRADE_SUCCESS' === $tradeStatus || 'TRADE_FINISHED' === $tradeStatus) { |
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189 | // 1、交易创建成功后,用户支付成功,交易状态转为TRADE_SUCCESS(交易成功) |
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190 | // 4、交易创建成功后,用户支付成功后,若用户商品不支持退款,交易状态直接转为TRADE_FINISHED(交易完成) |
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191 | // 5、交易成功后,默认退款时间三个月内没有退款,交易状态转为TRADE_FINISHED(交易完成)不可退款 |
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192 | // 8、如果未退完所有交易金额,三个月后交易状态转为TRADE_FINISHED(交易完成)不可退款 |
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193 | $isPay = true; |
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194 | } |
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195 | } |
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196 | if (null === $callback || true === I::call($callback, [$array, $isPay, $isRefund, $isRefundFull])) { |
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197 | echo $this->getNotifyReturn(); |
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198 | } |
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199 | } |
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200 | } |
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201 | |||
202 | } |
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203 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..