1

services/print_server/app_server/wx_login.go

@@ -1,9 +1,6 @@
 package app_server
 
 import (
-	"crypto/aes"
-	"crypto/cipher"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -17,7 +14,6 @@ import (
 	"io/ioutil"
 	"net/http"
 	"net/url"
-	"reflect"
 	"strconv"
 	"strings"
 	"time"
@@ -106,72 +102,7 @@ func (u *UserLogin) WxLogin(ctx *gin.Context, code, phone string) (*model.User,
 
 // GetUserPhoneNum 解密用户手机号
 func (u *UserLogin) GetUserPhoneNum(param *wxLogin.WeChatPhoneNumberParam) (string, error) {
-	sessionInfo, err := api.WeixinMiniAPI.SNSCode2Session(param.Code)
-	if err != nil {
-		return "", err
-	}
-
-	weChatLogin := new(wxLogin.UserPhone)
-	if err := DecryptOpenDataToStruct(param.EncryptedData, param.IV, sessionInfo.SessionKey, weChatLogin); err != nil {
-		return "", err
-	}
-	return weChatLogin.PhoneNumber, nil
-}
-
-// DecryptOpenDataToStruct 解密开放数据到结构体
-//	encryptedData：包括敏感数据在内的完整用户信息的加密数据，小程序获取到
-//	iv：加密算法的初始向量，小程序获取到
-//	sessionKey：会话密钥，通过  gopay.Code2Session() 方法获取到
-//	beanPtr：需要解析到的结构体指针，操作完后，声明的结构体会被赋值
-//	文档：https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/signature.html
-func DecryptOpenDataToStruct(encryptedData, iv, sessionKey string, beanPtr interface{}) (err error) {
-	if encryptedData == "" || iv == "" || sessionKey == "" {
-		return errors.New("input params can not null")
-	}
-	var (
-		cipherText, aesKey, ivKey, plainText []byte
-		block                                cipher.Block
-		blockMode                            cipher.BlockMode
-	)
-	beanValue := reflect.ValueOf(beanPtr)
-	if beanValue.Kind() != reflect.Ptr {
-		return errors.New("传入beanPtr类型必须是以指针形式")
-	}
-	if beanValue.Elem().Kind() != reflect.Struct {
-		return errors.New("传入interface{}必须是结构体")
-	}
-	cipherText, _ = base64.StdEncoding.DecodeString(encryptedData)
-	aesKey, _ = base64.StdEncoding.DecodeString(sessionKey)
-	ivKey, _ = base64.StdEncoding.DecodeString(iv)
-	if len(cipherText)%len(aesKey) != 0 {
-		return errors.New("encryptedData is error")
-	}
-	if block, err = aes.NewCipher(aesKey); err != nil {
-		return fmt.Errorf("aes.NewCipher：%w", err)
-	}
-	blockMode = cipher.NewCBCDecrypter(block, ivKey)
-	plainText = make([]byte, len(cipherText))
-	blockMode.CryptBlocks(plainText, cipherText)
-	if len(plainText) > 0 {
-		plainText = PKCS7UnPadding(plainText)
-	}
-	if err = json.Unmarshal(plainText, beanPtr); err != nil {
-		return fmt.Errorf("json.Marshal(%s)：%w", string(plainText), err)
-	}
-	return
-}
-
-// 解密填充模式（去除补全码） PKCS7UnPadding
-// 解密时，需要在最后面去掉加密时添加的填充byte
-func PKCS7UnPadding(origData []byte) (bs []byte) {
-	length := len(origData)
-	unPaddingNumber := int(origData[length-1]) // 找到Byte数组最后的填充byte 数字
-	if unPaddingNumber <= 16 {
-		bs = origData[:(length - unPaddingNumber)] // 只截取返回有效数字内的byte数组
-	} else {
-		bs = origData
-	}
-	return
+	return api.WeixinMiniAPI.SNSGetUserPhone(param.Code)
 }
 
 // Jxc4UserToken 全局变量,缓存菜市管理系统token