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wechat.go
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wechat.go
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package goauth
import (
"github.com/sanxia/glib"
)
/* ================================================================================
* Oauth WeChat
* qq group: 582452342
* email : 2091938785@qq.com
* author : 美丽的地球啊 - mliu
* ================================================================================ */
type (
OauthWeChat struct {
Oauth
}
//微信访问Token信息响应结构
WeChatAccessTokenResponse struct {
ErrCode string `form:"errcode" json:"errcode"`
ErrMsg string `form:"errmsg" json:"errmsg"`
OpenId string `form:"openid" json:"openid"`
UnionId string `form:"unionid" json:"unionid"`
AccessToken string `form:"access_token" json:"access_token"`
RefreshToken string `form:"refresh_token" json:"refresh_token"`
ExpiresIn int `form:"expires_in" json:"expires_in"`
Scope string `form:"scope" json:"scope"`
}
//微信用户信息响应结构
WeChatUserInfoResponse struct {
ErrCode string `form:"errcode" json:"errcode"`
ErrMsg string `form:"errmsg" json:"errmsg"`
OpenId string `form:"openid" json:"openid"` //普通用户的标识,对当前开发者帐号唯一
UnionId string `form:"unionid" json:"unionid"` //用户统一标识。针对一个微信开放平台帐号下的应用,同一用户的unionid是唯一的。
Nickname string `form:"nickname" json:"nickname"`
HeadImgUrl string `form:"headimgurl" json:"headimgurl"` //用户头像,最后一个数值代表正方形头像大小(有0、46、64、96、132数值可选,0代表640*640正方形头像),用户没有头像时该项为空
Sex int `form:"sex" json:"sex"` //普通用户性别,1为男性,2为女性
Country string `form:"country" json:"country"` //国家,如中国为CN
Province string `form:"province" json:"province"` //普通用户个人资料填写的省份
City string `form:"city" json:"city"` //普通用户个人资料填写的城市
Privileges []string `form:"privilege" json:"privilege"` //用户特权信息,json数组,如微信沃卡用户为(chinaunicom)
}
)
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 初始化WeChat授权
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func NewWeChat(clientId, clientSecret, callbackUri string) IOauth {
oauth := new(OauthWeChat)
oauth.ClientId = clientId
oauth.ClientSecret = clientSecret
oauth.CallbackUri = callbackUri
oauth.AuthorizeCodeUri = "https://open.weixin.qq.com/connect/qrconnect"
oauth.AccessTokenUri = "https://api.weixin.qq.com/sns/oauth2/access_token"
oauth.RefreshTokenUri = "https://api.weixin.qq.com/sns/oauth2/refresh_token"
oauth.UserInfoUri = "https://api.weixin.qq.com/sns/userinfo"
return oauth
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 设置Uri
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func (s *OauthWeChat) SetUri(uriType OauthUriType, uri string) {
switch uriType {
case AuthorizeCodeUri:
s.AuthorizeCodeUri = uri
case AccessTokenUri:
s.AccessTokenUri = uri
case RefreshTokenUri:
s.RefreshTokenUri = uri
case UserInfoUri:
s.UserInfoUri = uri
}
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 获取鉴权地址
* state, scope
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func (s *OauthWeChat) GetAuthorizeUrl(args ...string) string {
state, scope := "wechat", "snsapi_login"
argCount := len(args)
if argCount > 0 {
state = args[0]
if argCount > 1 {
scope = args[1]
}
}
params := map[string]interface{}{
"appid": s.ClientId,
"redirect_uri": glib.QueryEncode(s.CallbackUri),
"scope": scope,
"state": state,
"response_type": "code",
}
queryString := glib.ToQueryString(params)
return s.AuthorizeCodeUri + "?" + queryString
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 获取AccessToken
* {
* "access_token":"ACCESS_TOKEN",
* "expires_in":7200,
* "refresh_token":"REFRESH_TOKEN",
* "openid":"OPENID",
* "scope":"SCOPE"
* }
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func (s *OauthWeChat) GetAccessToken(code string) (*OauthToken, error) {
var oauthToken *OauthToken
params := map[string]interface{}{
"appid": s.ClientId,
"secret": s.ClientSecret,
"code": code,
"grant_type": "authorization_code",
}
queryString := glib.ToQueryString(params)
//获取api响应数据
resp, err := glib.HttpGet(s.AccessTokenUri, queryString)
if err == nil {
//解析json数据
var tokenResponse *WeChatAccessTokenResponse
glib.FromJson(resp, &tokenResponse)
if tokenResponse != nil {
oauthToken = &OauthToken{
AccessToken: tokenResponse.AccessToken,
RefreshToken: tokenResponse.RefreshToken,
OpenId: tokenResponse.OpenId,
UnionId: tokenResponse.UnionId,
Scope: tokenResponse.Scope,
ExpiresIn: tokenResponse.ExpiresIn,
}
return oauthToken, nil
}
}
return nil, err
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 刷新AccessToken
* {
* "access_token":"ACCESS_TOKEN",
* "expires_in":7200,
* "refresh_token":"REFRESH_TOKEN",
* "openid":"OPENID",
* "scope":"SCOPE"
* }
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func (s *OauthWeChat) RefreshAccessToken(refreshToken string) (*OauthToken, error) {
var oauthToken *OauthToken
params := map[string]interface{}{
"appid": s.ClientId,
"refresh_token": refreshToken,
"grant_type": "refresh_token",
}
queryString := glib.ToQueryString(params)
//获取api响应数据
resp, err := glib.HttpGet(s.RefreshTokenUri, queryString)
if err == nil {
//解析json数据
var tokenResponse *WeChatAccessTokenResponse
glib.FromJson(resp, &tokenResponse)
if tokenResponse != nil {
oauthToken = &OauthToken{
AccessToken: tokenResponse.AccessToken,
RefreshToken: tokenResponse.RefreshToken,
OpenId: tokenResponse.OpenId,
Scope: tokenResponse.Scope,
ExpiresIn: tokenResponse.ExpiresIn,
}
}
return oauthToken, nil
}
return nil, err
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 获取用户信息
* {
* "openid":"OPENID",
* "nickname":"NICKNAME",
* "sex":1,
* "province":"PROVINCE",
* "city":"CITY",
* "country":"COUNTRY",
* "headimgurl": "http://wx.qlogo.cn/mmopen/g3MonUZtNHkdmzicIlibx6iaFqAc56vxLSUfpb6n5WKSYVY0ChQKkiaJSgQ1dZuTOgvLLrhJbERQQ4eMsv84eavHiaiceqxibJxCfHe/0",
* "privilege":[
* "PRIVILEGE1",
* "PRIVILEGE2"
* ],
* "unionid": " o6_bmasdasdsad6_2sgVt7hMZOPfL"
* }
* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
func (s *OauthWeChat) GetUserInfo(accessToken, openId string) (*OauthUser, error) {
var oauthUser *OauthUser
params := map[string]interface{}{
"access_token": accessToken,
"openid": openId,
"lang": "zh-CN",
}
queryString := glib.ToQueryString(params)
//获取api响应数据
resp, err := glib.HttpGet(s.UserInfoUri, queryString)
if err == nil {
var userInfoResponse *WeChatUserInfoResponse
//解析json数据
glib.FromJson(resp, &userInfoResponse)
if userInfoResponse != nil {
sexCode := "secret"
if userInfoResponse.Sex == 1 {
sexCode = "male"
} else if userInfoResponse.Sex == 2 {
sexCode = "female"
}
oauthUser = &OauthUser{
Nickname: userInfoResponse.Nickname,
Avatar: userInfoResponse.HeadImgUrl,
Sex: sexCode,
Token: &OauthToken{
UnionId: userInfoResponse.UnionId,
},
}
}
}
return oauthUser, err
}