func (l *AuthService) Verify(login *models.Login) (*models.Login, error) {
if login.AccessToken != "" && login.Network != "" {
//assume its an oauth source
err := populateUserDetails(login)
if err != nil {
return nil, err
}
}
if login.Email == "" {
return nil, errors.New("No email available")
}
login.Email = strings.ToLower(login.Email)
existing := l.FindByEmail(login.Email)
if len(existing) == 0 {
persistence.Dbm.Insert(login)
}
return login, nil
}
func populateUserDetails(login *models.Login) error {
switch login.Network {
case "facebook":
{
response, err := http.Get("https://graph.facebook.com/me?access_token=" + login.AccessToken)
if err != nil {
return err
} else {
type facebook struct {
Email string `json:"email"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"`
Gender string `json:"gender"`
}
var message facebook
err := json.NewDecoder(response.Body).Decode(&message)
if err != nil {
return err
}
login.Email = message.Email
login.FirstName = message.FirstName
login.LastName = message.LastName
login.Gender = message.Gender
}
response, err = http.Get("https://graph.facebook.com/me?fields=picture.type(small)&access_token=" + login.AccessToken)
if err != nil {
return err
} else {
type fb_data struct {
Url string `json:"url"`
}
type fb_picture struct {
Picture fb_data `json:"data"`
}
var message fb_picture
err := json.NewDecoder(response.Body).Decode(&message)
if err != nil {
return err
}
login.Picture = message.Picture.Url
}
return nil
}
case "google":
{
type google struct {
Email string `json:"email"`
FirstName string `json:"given_name"`
LastName string `json:"family_name"`
Gender string `json:"gender"`
Picture string `picture:"picture"`
}
response, err := http.Get("https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=" + login.AccessToken)
if err != nil {
return err
} else {
var message google
err := json.NewDecoder(response.Body).Decode(&message)
if err != nil {
return err
}
login.Email = message.Email
login.FirstName = message.FirstName
login.LastName = message.LastName
login.Gender = message.Gender
login.Picture = message.Picture
return nil
}
}
case "github":
{
type github struct {
Login string `json:"login"`
Name string `json:"name"`
Email string `json:"email"`
Picture string `json:"avatar_url"`
}
response, err := http.Get("https://api.github.com/user?access_token=" + login.AccessToken)
if err != nil {
return err
} else {
var message github
err := json.NewDecoder(response.Body).Decode(&message)
if err != nil {
return err
}
names := strings.Fields(message.Name)
if len(names) > 0 {
login.FirstName = names[0]
}
if len(names) > 1 {
login.LastName = names[1]
}
if message.Email == "" {
login.Email = message.Login
} else {
login.Email = message.Email
}
login.Picture = message.Picture
return nil
}
}
}
return errors.New("network not supported")
}