forked from netlify/gotrue
/
google.go
85 lines (71 loc) · 1.84 KB
/
google.go
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package provider
import (
"context"
"errors"
"github.com/netlify/gotrue/conf"
"golang.org/x/oauth2"
)
const (
defaultGoogleAuthBase = "accounts.google.com"
defaultGoogleAPIBase = "www.googleapis.com"
)
type googleProvider struct {
*oauth2.Config
APIPath string
}
type googleUser struct {
Name string `json:"name"`
AvatarURL string `json:"picture"`
Email string `json:"email"`
EmailVerified bool `json:"verified_email"`
}
// NewGoogleProvider creates a Google account provider.
func NewGoogleProvider(ext conf.OAuthProviderConfiguration) (OAuthProvider, error) {
if err := ext.Validate(); err != nil {
return nil, err
}
authHost := chooseHost(ext.URL, defaultGoogleAuthBase)
apiPath := chooseHost(ext.URL, defaultGoogleAPIBase) + "/userinfo/v2/me"
return &googleProvider{
Config: &oauth2.Config{
ClientID: ext.ClientID,
ClientSecret: ext.Secret,
Endpoint: oauth2.Endpoint{
AuthURL: authHost + "/o/oauth2/auth",
TokenURL: authHost + "/o/oauth2/token",
},
Scopes: []string{
"email",
"profile",
},
RedirectURL: ext.RedirectURI,
},
APIPath: apiPath,
}, nil
}
func (g googleProvider) GetOAuthToken(code string) (*oauth2.Token, error) {
return g.Exchange(oauth2.NoContext, code)
}
func (g googleProvider) GetUserData(ctx context.Context, tok *oauth2.Token) (*UserProvidedData, error) {
var u googleUser
if err := makeRequest(ctx, tok, g.Config, g.APIPath, &u); err != nil {
return nil, err
}
data := &UserProvidedData{
Metadata: map[string]string{
nameKey: u.Name,
avatarURLKey: u.AvatarURL,
},
}
if u.Email != "" {
data.Emails = append(data.Emails, Email{
Email: u.Email,
Verified: u.EmailVerified,
Primary: true,
})
}
if len(data.Emails) <= 0 {
return nil, errors.New("Unable to find email with Google provider")
}
return data, nil
}