Files
authorizer/server/oauth/oauth.go
2021-12-03 14:27:32 +05:30

77 lines
2.3 KiB
Go

package oauth
import (
"context"
"log"
"github.com/authorizerdev/authorizer/server/constants"
"github.com/coreos/go-oidc/v3/oidc"
"golang.org/x/oauth2"
githubOAuth2 "golang.org/x/oauth2/github"
)
type OAuthProvider struct {
GoogleConfig *oauth2.Config
GithubConfig *oauth2.Config
FacebookConfig *oauth2.Config
}
type OIDCProvider struct {
GoogleOIDC *oidc.Provider
FacebookOIDC *oidc.Provider
}
var (
OAuthProviders OAuthProvider
OIDCProviders OIDCProvider
)
func InitOAuth() {
ctx := context.Background()
if constants.GOOGLE_CLIENT_ID != "" && constants.GOOGLE_CLIENT_SECRET != "" {
provider, err := oidc.NewProvider(ctx, "https://accounts.google.com")
if err != nil {
log.Fatalln("error configuring Google OpenID provider:", err.Error())
}
OIDCProviders.GoogleOIDC = provider
OAuthProviders.GoogleConfig = &oauth2.Config{
ClientID: constants.GOOGLE_CLIENT_ID,
ClientSecret: constants.GOOGLE_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/google",
Endpoint: OIDCProviders.GoogleOIDC.Endpoint(),
Scopes: []string{oidc.ScopeOpenID, "email", "profile"},
}
}
// Github doesn't support OpenID
// https://stackoverflow.com/questions/52157568/what-is-github-well-known-openid-configuration-url/52164558
// https://fusionauth.io/docs/v1/tech/identity-providers/openid-connect/github/
if constants.GITHUB_CLIENT_ID != "" && constants.GITHUB_CLIENT_SECRET != "" {
OAuthProviders.GithubConfig = &oauth2.Config{
ClientID: constants.GITHUB_CLIENT_ID,
ClientSecret: constants.GITHUB_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/github",
Endpoint: githubOAuth2.Endpoint,
}
}
if constants.FACEBOOK_CLIENT_ID != "" && constants.FACEBOOK_CLIENT_SECRET != "" {
provider, err := oidc.NewProvider(ctx, "https://www.facebook.com")
if err != nil {
log.Fatalln("error configuring Facebook OpenID provider:", err.Error())
}
OIDCProviders.FacebookOIDC = provider
OAuthProviders.FacebookConfig = &oauth2.Config{
ClientID: constants.FACEBOOK_CLIENT_ID,
ClientSecret: constants.FACEBOOK_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/facebook",
Endpoint: OIDCProviders.FacebookOIDC.Endpoint(),
Scopes: []string{oidc.ScopeOpenID, "email", "public_profile"},
}
}
}