Google OAuth

v1.1 · updated Apr 1, 2026

Frontend changes: Minimal

Add a button and a few lines of CSS to your template 7-day trial · no license key needed

How it works

User clicks the "Sign in with Google" button on your login or signup page. They are redirected to Google's OAuth consent screen, authorize access, and are redirected back to your site — logged in.

If the user doesn't have an account yet, one is created automatically using their verified Google email. No passwords to remember, no confirmation links to click.

Everything is handled by the plugin through KVS plugin_extensions hooks. No core modifications needed.

Easy configuration

All settings are managed through the KVS admin panel. Enter your Google Client ID and Client Secret, enable the plugin, and you're done.

The plugin generates the callback URL automatically. Debug logging helps diagnose any issues during setup.

Supports multiple KVS sites from a single Google Cloud project — just add each callback URL to your OAuth credentials.

What's included

Plugin files (PHP + Smarty admin template + language files)
nginx rewrite configuration
Frontend template examples for login/signup forms
Step-by-step installation guide
Free updates

REQUIREMENTS

KVS 6.2.0 or higher
Google Cloud Console account (free)
nginx rewrite rule (provided in docs)

Key features

Google Sign-In button on login and signup forms
Auto-registration with verified Google email
Native KVS plugin_extensions integration
Configuration via KVS admin panel
HMAC-signed state for security
Works behind proxy and CDN
Multiple KVS sites from one Google project

Changelog

v1.1 — April 2026

Added license key system with 7-day free trial. ECDSA-signed keys tied to domain. Native KVS admin UI for license management.

v1.0 — March 2026

Initial release. Google Sign-In for KVS with plugin_extensions integration, admin panel configuration, HMAC-signed OAuth state, proxy/CDN support.