uukidev

YUI Preview Token solves the authentication problem in decoupled (headless) WordPress architectures. Application Passwords are a great built-in WordPress feature for this purpose, but they require managing long-lived secrets on the frontend side. This plugin instead issues per-post tokens that grant read access for a configurable period — no persistent secrets required.
The frontend (Astro, Next.js, Nuxt, etc.) receives a preview URL and can fetch the draft content directly via the REST API.
<h4>How it works</h4>
<ol>
<li>An authorized WordPress user generates a token from the Gutenberg sidebar, Quick Edit panel, or Classic Editor meta box.</li>
<li>The token is embedded in a preview URL pointing to your external frontend.</li>
<li>The frontend calls <code>/wp-json/yui-preview-token/v1/preview?token=…</code> to retrieve the draft content.</li>
<li>The token expires automatically; no manual cleanup needed.</li>
</ol>
<h4>Key Features</h4>
Token Management
<ul>
<li>Generate tokens with expiry presets: 1 hour, 24 hours, 30 days, custom date/time, or no expiry.</li>
<li>One token per post — issuing a new token invalidates the previous one.</li>
<li>Tokens are generated with <code>bin2hex(random_bytes(32))</code> (256-bit CSPRNG). The lookup key stored in <code>wp_options</code> is the SHA-256 hash of the raw token, not the token itself — so a database leak does not expose usable tokens directly.</li>
<li>Automatic cleanup of expired tokens via WP Cron (daily).</li>
</ul>
Editor Integration
<ul>
<li>Gutenberg: dedicated panel in the Document Settings sidebar.</li>
<li>Quick Edit: token controls directly in the post list.</li>
<li>Classic Editor: meta box in the editor sidebar.</li>
<li>Copy preview URL to clipboard with one click.</li>
<li>Update expiry without invalidating the current token.</li>
</ul>
Admin Settings
<ul>
<li>Set the external frontend URL (clicking “Open external preview” navigates directly to this URL).</li>
<li>Configure allowed CORS origins (multiple, with wildcard support — <code>https://*.example.com</code>).</li>
<li>Choose the minimum WordPress role required to issue tokens (Subscriber → Administrator).</li>
<li>Tune rate limiting (requests per time window).</li>
<li>Optionally permit no-expiry tokens.</li>
</ul>
Issued Tokens List
<ul>
<li>View all active and expired tokens with post title, status, expiry, and issuer.</li>
<li>Revoke individual tokens or bulk-delete expired ones — all from the Settings screen.</li>
</ul>
Security
<ul>
<li>HTTPS required for the preview endpoint (overridable for local development).</li>
<li>Per-IP rate limiting with configurable thresholds (default: 30 req / 60 s).</li>
<li>Role-based access control for token issuance.</li>
<li>CORS headers only sent for explicitly configured origins; WP core’s permissive echo-back is suppressed.</li>
<li><code>Referrer-Policy: no-referrer</code> prevents token leakage via referer headers.</li>
<li>Tokens are only valid for <code>draft</code>, <code>pending</code>, and <code>future</code> post statuses.</li>
<li>Admin-only settings page with defence-in-depth capability checks.</li>
<li>CSRF protection on all admin actions (nonce verification).</li>
</ul>
Audit Logging
<ul>
<li>Logs token issuance and usage events (post ID, user ID, client IP).</li>
<li>Logs security events: invalid token attempts, rate-limit violations, capability denials.</li>
<li>Output goes to <code>WP_DEBUG_LOG</code> by default; point to a dedicated file with <code>PVT_LOG_FILE</code>.</li>
</ul>
Internationalisation
<ul>
<li>Ships with Japanese (ja) and Simplified Chinese (zh_CN) translations.</li>
<li>All admin UI strings are translation-ready.</li>
</ul>
<h4>Developer Hooks</h4>
Filter
<ul>
<li><code>yuipt_preview_response_data</code> — Modify the REST API response data before it is sent.</li>
</ul>
Actions
<ul>
<li><code>yuipt_token_issued( int $post_id, int $user_id )</code> — Fires after a token is issued.</li>
<li><code>yuipt_token_used( int $post_id, int $user_id )</code> — Fires when a token is used successfully.</li>
<li><code>yuipt_invalid_token( string $ip )</code> — Fires on an invalid/expired token attempt.</li>
<li><code>yuipt_rate_limit_exceeded( string $ip, string $endpoint )</code> — Fires when rate limit is hit.</li>
<li><code>yuipt_capability_denied( int $user_id, int $post_id )</code> — Fires on a capability denial.</li>
</ul>
Constants (wp-config.php)
<ul>
<li><code>PVT_SKIP_HTTPS_CHECK</code> — Set to <code>true</code> to disable the HTTPS requirement (development only).</li>
<li><code>PVT_LOG_FILE</code> — Absolute path to a dedicated audit log file.</li>
</ul>
<h4>Use Case</h4>
This plugin is designed for headless WordPress setups where a decoupled frontend (e.g. Astro, Next.js, Nuxt, SvelteKit) renders content from the WordPress REST API. It gives content editors a simple, secure way to share draft previews with stakeholders without granting them WordPress accounts or exposing long-lived API credentials.

YUI Preview Token

Issue time-limited preview tokens for headless WordPress setups. Open drafts directly in your frontend URL without long-lived credentials.

NewClarity

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DMCA WaterMarker

The DMCA WaterMarker plugin for WordPress lets you enable DMCA WaterMarking for a specific folder on your site in order to deter image thieves and pro …

YUI Preview Token vs DMCA WaterMarker