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package goog
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"golang.org/x/oauth2"
)
var (
ProfileURL = "https://www.googleapis.com/oauth2/v3/userinfo"
ProfileKeyFmt = "goog:%s"
)
// GoogleProfile auth'd user profile
// ProfileId, Email, Name, PictureURL
type GoogleProfile struct {
ProfileID string `json:"sub"`
Email string `json:"email"`
Name string `json:"name"`
PictureURL string `json:"picture"`
}
// ProfileKeys conform to ProfileKeys
func (gp *GoogleProfile) ProfileKeyValues() (string, []string) {
return fmt.Sprintf(ProfileKeyFmt, gp.Email), []string{
"profile_id", gp.ProfileID,
"email", gp.Email,
"name", gp.Name,
"picture_url", gp.PictureURL,
}
}
type Servicer interface {
Config() *oauth2.Config
Profile(client *http.Client) (*GoogleProfile, *oauth2.Token, error)
UserClient(ctx context.Context, token *oauth2.Token) *http.Client
}
// NewService container for interacting with Google
func NewService(o *oauth2.Config) Servicer {
return &Goog{
o,
}
}
type Goog struct {
oauthConfig *oauth2.Config
}
func (g *Goog) Config() *oauth2.Config {
return g.oauthConfig
}
// UserCient just calls oauth2.Client
func (g *Goog) UserClient(ctx context.Context, token *oauth2.Token) *http.Client {
return g.oauthConfig.Client(ctx, token)
}
// Profile get profile from google
func (g *Goog) Profile(client *http.Client) (*GoogleProfile, *oauth2.Token, error) {
client.Get(ProfileURL)
resp, err := client.Get(ProfileURL)
if err != nil {
return &GoogleProfile{}, &oauth2.Token{}, err
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return &GoogleProfile{}, &oauth2.Token{}, err
}
// Google Profile
gp := &GoogleProfile{}
err = json.Unmarshal(data, gp)
if err != nil {
return &GoogleProfile{}, &oauth2.Token{}, err
}
// Token
token := &oauth2.Token{}
err = json.Unmarshal(data, token)
if err != nil {
return &GoogleProfile{}, &oauth2.Token{}, err
}
return gp, token, nil
}
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