64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package payCenter
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import (
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"crypto/md5"
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"crypto/subtle"
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"encoding/hex"
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"errors"
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"net/url"
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"strconv"
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"strings"
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"time"
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)
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// Conf 与 girl 的 newPayCenter 配置保持一致，App 和 Web 各自加载本进程配置。
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type Conf struct {
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AppName string `yaml:"appName"`
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CallbackUrl string `yaml:"callbackUrl"`
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ApiUrl string `yaml:"apiUrl"`
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MercID string `yaml:"mercID"`
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MercSecret string `yaml:"mercSecret"`
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}
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var payCenterConf Conf
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func Init(c Conf) {
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c.ApiUrl = strings.TrimRight(strings.TrimSpace(c.ApiUrl), "/")
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c.CallbackUrl = strings.TrimRight(strings.TrimSpace(c.CallbackUrl), "/")
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payCenterConf = c
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}
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// validateConfig 仅在支付请求时校验，配置暂未填写不影响其他业务启动。
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func validateConfig(requireCallback bool) error {
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if payCenterConf.MercID == "" || payCenterConf.MercSecret == "" || !validHTTPURL(payCenterConf.ApiUrl) {
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return errors.New("新支付中心配置不完整：请配置 newPayCenter.apiUrl、mercID、mercSecret")
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}
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if requireCallback && (payCenterConf.AppName == "" || !validHTTPURL(payCenterConf.CallbackUrl)) {
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return errors.New("新支付中心配置不完整：请配置 newPayCenter.appName、callbackUrl")
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}
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return nil
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}
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func validHTTPURL(value string) bool {
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u, err := url.Parse(value)
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return err == nil && (u.Scheme == "http" || u.Scheme == "https") && u.Host != "" && u.User == nil && u.RawQuery == "" && u.Fragment == ""
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}
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func Generate13DigitString() string {
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return strconv.FormatInt(time.Now().UnixMilli(), 10)
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}
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func md5Sign(value string) string {
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hash := md5.Sum([]byte(value))
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return hex.EncodeToString(hash[:])
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}
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func VerifySign(sign, value string) bool {
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return subtle.ConstantTimeCompare([]byte(md5Sign(value)), []byte(sign)) == 1
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}
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func RChgIDDisassemble(transNo string) string {
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parts := strings.Split(transNo, "-")
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return parts[len(parts)-1]
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}
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