Secure Google One Tap sign-in for WordPress login pages, with account linking and admin activity logs.

Sunil Kumar Sharma

xpertzmate

The Better India

<p>WP One Tap Google Sign In adds Google One Tap authentication to WordPress. It helps site owners offer a faster, passwordless login experience while keeping authentication tied to existing WordPress user accounts.</p>
<p>When a visitor signs in with Google, the plugin verifies the Google ID token server-side, checks the configured OAuth client ID, confirms the Google email is verified, and then signs in the matching WordPress user. The plugin also supports site-wide display for logged-out visitors, a customizable companion message block, and direct Google account linking from WordPress user profiles.</p>
<h4>Key Features</h4>
<ul>
<li>Google One Tap prompt on the WordPress login screen.</li>
<li>Optional site-wide One Tap prompt for logged-out visitors.</li>
<li>Server-side Google ID token verification with WordPress HTTP APIs.</li>
<li>Existing-user login only by default.</li>
<li>Google account linking and disconnect controls on WordPress user profiles.</li>
<li>Automatic account-link migration after a successful verified email login.</li>
<li>Admin activity log for successful logins, failed attempts, account linking, and unlinking events.</li>
<li>Salted hashes for IP addresses and Google account identifiers in the activity log.</li>
<li>Optional custom message block with image, title, and formatted content.</li>
<li>WordPress 7.0-ready metadata with PHP 8.1, 8.2, and 8.3 compatibility.</li>
</ul>
<h4>Security Approach</h4>
<p>The plugin uses WordPress nonces for AJAX requests, sanitizes all incoming data, escapes admin output, and validates the Google token audience against the configured OAuth client ID. It does not create new users automatically. A Google login succeeds only when the verified Google account maps to an existing WordPress user.</p>
<h4>Privacy</h4>
<p>The activity log stores the Google email address used during an event, the WordPress user ID when available, event status, event reason, user agent, and salted hashes of the request IP address and Google account identifier. Activity records older than 90 days are pruned automatically when new events are logged.</p>
<h3>Configuration</h3>
<h4>Create a Google OAuth Client ID</h4>
<ol>
<li>Open the Google Cloud Console credentials page:<br />
https://console.developers.google.com/apis/credentials</li>
<li>Create an OAuth 2.0 Client ID.</li>
<li>Choose Web application as the application type.</li>
<li>Add your WordPress site’s authorized JavaScript origin.</li>
<li>Copy the client ID into Settings > One Tap GSI.</li>
</ol>
<h4>Link a WordPress User to Google</h4>
<ol>
<li>Open Users > Profile for your own account, or edit another user if your role allows it.</li>
<li>Find the Google One Tap Sign-In section.</li>
<li>Use the Google button to link a verified Google account.</li>
<li>To disconnect, check Disconnect this Google account and save the profile.</li>
</ol>
<h4>Customize the Message Block</h4>
<ol>
<li>Go to Settings > One Tap GSI.</li>
<li>Enable the custom message block.</li>
<li>Choose an image from the Media Library or enter an image URL.</li>
<li>Add a short title and supporting formatted content.</li>
<li>Save the settings.</li>
</ol>


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