You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.6 KiB
66 lines
1.6 KiB
package auth
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
|
|
"github.com/pkg/errors"
|
|
"golang.org/x/oauth2"
|
|
"golang.org/x/oauth2/google"
|
|
)
|
|
|
|
type googleAdapter struct {
|
|
config *oauth2.Config
|
|
}
|
|
|
|
func NewGoogleAdapter(clientID, clientSecret, baseURL string) Adapter {
|
|
return &googleAdapter{&oauth2.Config{
|
|
ClientID: clientID,
|
|
ClientSecret: clientSecret,
|
|
RedirectURL: baseURL + "/api/v1/auth/google/callback",
|
|
Scopes: []string{
|
|
"https://www.googleapis.com/auth/userinfo.email",
|
|
},
|
|
Endpoint: google.Endpoint,
|
|
}}
|
|
}
|
|
|
|
func (a *googleAdapter) GetRedirectURl(state string) string {
|
|
return a.config.AuthCodeURL(state)
|
|
}
|
|
|
|
func (a *googleAdapter) GetUserData(state, code string) (*user, error) {
|
|
oAuthToken, err := a.config.Exchange(context.Background(), code)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not exchange code")
|
|
}
|
|
|
|
client := a.config.Client(context.Background(), oAuthToken)
|
|
oAuthUserInfoReq, err := client.Get("https://www.googleapis.com/oauth2/v3/userinfo")
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not get user data")
|
|
}
|
|
defer oAuthUserInfoReq.Body.Close()
|
|
data, err := ioutil.ReadAll(oAuthUserInfoReq.Body)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not read body")
|
|
}
|
|
var gUser struct {
|
|
Sub string `json:"sub"`
|
|
Name string `json:"name"`
|
|
Picture string `json:"picture"`
|
|
}
|
|
if err = json.Unmarshal(data, &gUser); err != nil {
|
|
return nil, errors.Wrap(err, "decoding user info failed")
|
|
}
|
|
return &user{
|
|
ID: gUser.Sub,
|
|
Name: gUser.Name,
|
|
Picture: gUser.Picture,
|
|
}, nil
|
|
}
|
|
|
|
func (a *googleAdapter) GetOAuthProviderName() string {
|
|
return "google"
|
|
}
|
|
|