first commit

services/auth/oauth.go

@@ -0,0 +1,73 @@
+package auth
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gorilla/sessions"
+	"github.com/markbates/goth"
+	"github.com/markbates/goth/gothic"
+	"github.com/markbates/goth/providers/google"
+	"sismedika.com/sas/westone/configs"
+)
+
+var maxAge = 86400 * 1 // 30 days
+var isProd = false     // set to true if in production
+var key = configs.Envs.SessionKey
+var store = sessions.NewCookieStore([]byte(key))
+var usersession = "user"
+
+func NewOAuth() {
+	googleClientID := configs.Envs.GoogleClientID
+	googleClientSecret := configs.Envs.GoogleClientSecret
+	callback := configs.Envs.PublicHost + ":" + configs.Envs.Port + "/api/v1/auth/google/callback"
+
+	store.MaxAge(maxAge)
+	store.Options.Path = "/"
+	store.Options.HttpOnly = true
+	store.Options.Secure = isProd
+	store.Options.SameSite = http.SameSiteLaxMode
+
+	gothic.Store = store
+
+	goth.UseProviders(
+		google.New(googleClientID, googleClientSecret, callback),
+	)
+}
+
+func addUsertoSession(w http.ResponseWriter, r *http.Request, user goth.User) error {
+	user_session, err := store.Get(r, usersession)
+	if err != nil {
+		user_session, err = store.New(r, usersession)
+		if err != nil {
+			log.Println("[ERROR] get user to session, error: ", err)
+			return err
+		}
+	}
+
+	user.RawData = map[string]interface{}{}
+	user_session.Values["user"] = user
+	err = user_session.Save(r, w)
+	if err != nil {
+		log.Println("[ERROR] saving user to session, error: ", err)
+		return err
+	}
+
+	return nil
+}
+
+func removeUsertoSession(w http.ResponseWriter, r *http.Request) error {
+	user_session, err := store.Get(r, usersession)
+	if err != nil {
+		log.Println("[ERROR] get user to session, error: ", err)
+		return err
+	}
+	user_session.Values["user"] = goth.User{}
+	err = user_session.Save(r, w)
+	if err != nil {
+		log.Println("[ERROR] remove user to session, error: ", err)
+		return err
+	}
+
+	return nil
+}