/
google.go
71 lines (59 loc) · 1.72 KB
/
google.go
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package oauth2
import (
"encoding/json"
"fmt"
"github.com/tarent/loginsrv/model"
"io/ioutil"
"net/http"
"strings"
)
var googleAPI = "https://www.googleapis.com/plus/v1"
func init() {
RegisterProvider(providerGoogle)
}
type GoogleUser struct {
DisplayName string
Emails []struct {
Value string
}
Image struct {
Url string
}
}
var providerGoogle = Provider{
Name: "google",
AuthURL: "https://accounts.google.com/o/oauth2/v2/auth",
TokenURL: "https://www.googleapis.com/oauth2/v4/token",
GetUserInfo: func(token TokenInfo) (model.UserInfo, string, error) {
gu := GoogleUser{}
url := fmt.Sprintf("%v/people/me?alt=json&access_token=%v", googleAPI, token.AccessToken)
resp, err := http.Get(url)
if err != nil {
return model.UserInfo{}, "", err
}
if !strings.Contains(resp.Header.Get("Content-Type"), "application/json") {
return model.UserInfo{}, "", fmt.Errorf("wrong content-type on google get user info: %v", resp.Header.Get("Content-Type"))
}
if resp.StatusCode != 200 {
return model.UserInfo{}, "", fmt.Errorf("got http status %v on google get user info", resp.StatusCode)
}
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return model.UserInfo{}, "", fmt.Errorf("error reading google get user info: %v", err)
}
err = json.Unmarshal(b, &gu)
if err != nil {
return model.UserInfo{}, "", fmt.Errorf("error parsing google get user info: %v", err)
}
if len(gu.Emails) == 0 {
return model.UserInfo{}, "", fmt.Errorf("invalid google response: no email address returned.")
}
return model.UserInfo{
Sub: gu.Emails[0].Value,
Picture: gu.Image.Url,
Name: gu.DisplayName,
Email: gu.Emails[0].Value,
Origin: "google",
}, string(b), nil
},
}