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wxDataCrypt.go
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wxDataCrypt.go
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// Copyright (c) 2020.
// ALL Rights reserved.
// @Description wxDataCrypt.go
// @Author moxiao
// @Date 2020/11/22 10:19
package mxlogin
import (
"encoding/base64"
"encoding/json"
"fmt"
"github.com/linzengfa/mxtool/mxaes"
)
type wxDataCrypt struct {
appId string
sessionKey string
}
type watermark struct {
AppID string `json:"appid"`
timestamp int64 `json:"timestamp"`
}
type wxEncryptedData struct {
OpenId string `json:"openId"`
NickName string `json:"nickName"`
Gender byte `json:"gender"`
City string `json:"city"`
Province string `json:"province"`
Country string `json:"country"`
AvatarUrl string `json:"avatarUrl"`
UnionId string `json:"unionId"`
watermark `json:"watermark"`
}
type wxEncryptedPhoneNumberData struct {
PhoneNumber string `json:"phoneNumber"` //用户绑定的手机号(国外手机号会有区号)
PurePhoneNumber string `json:"purePhoneNumber"` //没有区号的手机号
CountryCode string `json:"countryCode"` //区号
watermark `json:"watermark"`
}
func NewWXDataCrypt(appId string, sessionKey string) *wxDataCrypt {
return &wxDataCrypt{appId, sessionKey}
}
func (wx *wxDataCrypt) decryptUserInfoData(encryptedData string, iv string) (wxed *wxEncryptedData, err error) {
origData, err := decryptData(wx.sessionKey, encryptedData, iv)
if err != nil {
return
}
err = json.Unmarshal(origData, &wxed)
return
}
func (wx *wxDataCrypt) decryptPhoneNumberData(encryptedData string, iv string) (wxed *wxEncryptedPhoneNumberData, err error) {
origData, err := decryptData(wx.sessionKey, encryptedData, iv)
if err != nil {
return
}
fmt.Println("decryptData success222", string(origData[:]))
//wxed = new(wxEncryptedPhoneNumberData)
err = json.Unmarshal(origData[:], &wxed)
fmt.Println("decryptData success55", err)
return
}
func decryptData(sessionKey, encryptedData, iv string) (decryptData []byte, err error) {
sessionKeyByte, err := base64.StdEncoding.DecodeString(sessionKey)
if err != nil {
return
}
encryptedDataByte, err := base64.StdEncoding.DecodeString(encryptedData)
if err != nil {
return
}
ivByte, err := base64.StdEncoding.DecodeString(iv)
if err != nil {
return
}
decryptData, err = mxaes.Decrypt(encryptedDataByte, sessionKeyByte, ivByte)
return
}