/
oauth2.go
52 lines (42 loc) · 1.31 KB
/
oauth2.go
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package wxapi
import (
"fmt"
"net/http"
)
var oauth2AcessTokenURLFormat = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code"
type OAuth2AccessTokenResponse struct {
AccessToken string `json:"access_token"`
ExpiresIn int `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
OpenID string `json:"openid"`
Scope string `json:"scope"`
}
func (mp *WXAPI) OAuth2AccessTokenRequest(code string) (*http.Request, error) {
url := fmt.Sprintf(oauth2AcessTokenURLFormat, mp.AppID, mp.AppSecret, code)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return nil, fmt.Errorf("create oauth2accessToken request failed: %v", err)
}
return req, nil
}
func (mp *WXAPI) OAuth2AccessToken(code string) (*OAuth2AccessTokenResponse, error) {
client := DefaultClient
req, err := mp.OAuth2AccessTokenRequest(code)
if err != nil {
return nil, fmt.Errorf("create oauth2accessToken request failed: %v", err)
}
out := struct {
*Error
*OAuth2AccessTokenResponse
}{
&Error{},
&OAuth2AccessTokenResponse{},
}
if err := client.GetReply(req, out); err != nil {
return nil, fmt.Errorf("get oauth2accessToken reply failed: %v", err)
}
if out.Error.IsError() {
return nil, out.Error
}
return out.OAuth2AccessTokenResponse, nil
}