refactor: update app instance structure to include both mailserver and logger

handler/auth/google/google.go

@@ -2,25 +2,19 @@ package googleOauthHandler
 
 import (
 	"fmt"
+	"github.com/fossyy/filekeeper/app"
 	googleOauthCallbackHandler "github.com/fossyy/filekeeper/handler/auth/google/callback"
-	"github.com/fossyy/filekeeper/logger"
 	"github.com/fossyy/filekeeper/utils"
 	"net/http"
 	"time"
 )
 
-var log *logger.AggregatedLogger
-
-func init() {
-	log = logger.Logger()
-}
-
 func GET(w http.ResponseWriter, r *http.Request) {
 	token, err := utils.GenerateCSRFToken()
 	googleOauthCallbackHandler.CsrfTokens[token] = &googleOauthCallbackHandler.CsrfToken{Token: token, CreateTime: time.Now()}
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
-		log.Error(err.Error())
+		app.Server.Logger.Error(err.Error())
 		return
 	}
 	http.Redirect(w, r, fmt.Sprintf("https://accounts.google.com/o/oauth2/auth?scope=email profile&response_type=code&access_type=offline&state=%s&redirect_uri=%s&client_id=%s", token, utils.Getenv("GOOGLE_CALLBACK"), utils.Getenv("GOOGLE_CLIENT_ID")), http.StatusFound)