Securely synchronize and deliver private documents and digital files with Cloudflare R2 using expiring signed URLs.

r2suites

<p>R2 Storage Manager Lite enables restricted file management between WordPress and Cloudflare R2 using its S3-compatible API.</p>
<p>Upload files to your R2 bucket, browse stored objects, and generate expiring signed download links — all from your WordPress dashboard.</p>
<p>Unlike traditional storage solutions, this plugin ensures that your files remain private and are only accessible through controlled, time-limited URLs.</p>
<h3>Key Features (Lite)</h3>
<ul>
<li><strong>Secure Document Sync</strong> – Synchronize documents and digital assets from WordPress to Cloudflare R2 without altering frontend media URLs.</li>
<li><strong>Direct Upload to R2</strong> – Securely upload files from WordPress to Cloudflare R2.</li>
<li><strong>Secure Downloads via REST API</strong> – Generate expiring signed URLs using a hardened REST endpoint.</li>
<li><strong>Private File Delivery</strong> – Files are not publicly accessible and are delivered via signed URLs.</li>
<li><strong>Configurable Expiration</strong> – Set custom expiration times for download links.</li>
<li><strong>Basic File Browser</strong> – View and manage stored files from the admin panel.</li>
<li><strong>S3-Compatible API</strong> – Fully compatible with Cloudflare R2 infrastructure.</li>
</ul>
<h3>Use Cases</h3>
<ul>
<li>Deliver private digital files securely</li>
<li>Share time-limited download links</li>
<li>Protect premium content</li>
<li>Replace insecure direct file URLs</li>
<li>Manage external storage for documents and digital assets</li>
</ul>
<h3>Pro Version (Optional)</h3>
<p>Upgrade to unlock advanced capabilities:</p>
<ul>
<li>High-capacity multipart uploads for very large files</li>
<li>Drag & drop interface</li>
<li>Advanced file manager with folders</li>
<li>Download tracking & analytics</li>
<li>User quotas and restrictions</li>
<li>Advanced security (IP, referer, geo restrictions)</li>
<li>Webhooks & automation tools</li>
</ul>
<p>More information: https://www.r2suites.com/products/wordpress/cloudflare-r2-storage-manager-pro</p>
<h3>Architectural Policy & Limitations</h3>
<p><strong>CR2SM Lite is a Secure File Sync tool for documents, zip files, and digital products. It is NOT an image CDN or frontend acceleration plugin.</strong></p>
<p>To guarantee architectural stability and prevent unexpected CDN abuse, this plugin enforces a strict <strong>No-URL-Rewrite Policy</strong>:<br />
* It MUST NOT filter <code>wp_get_attachment_url</code>.<br />
* It MUST NOT rewrite <code>srcset</code> attributes.<br />
* It MUST NOT replace native attachment URLs on your frontend.<br />
* It MUST NOT alter frontend delivery or inject CDN URLs.</p>
<p>This plugin is exclusively designed for secure backend synchronization of documents and digital assets.</p>
<h3>External Services</h3>
<p>This plugin connects to Cloudflare R2 Object Storage.</p>
<p>Service provider: Cloudflare, Inc.<br />
Service URL: https://www.cloudflare.com/<br />
Privacy Policy: https://www.cloudflare.com/privacypolicy/</p>
<p>Purpose:<br />
Storage and secure delivery of files via S3-compatible API.</p>
<p>Data sent:<br />
* Access Key ID<br />
* Secret Access Key<br />
* Bucket name<br />
* File upload and retrieval requests</p>
<p>Data is only transmitted when explicitly configured and used by the administrator.</p>
<h3>Gutenberg Block</h3>
<p>The plugin includes a built-in “R2 Download” block. You can insert a download button directly in the WordPress block editor without using shortcodes.</p>
<p>Simply search for “R2 Download” in the block editor and configure the file key and label.</p>
<h3>Shortcodes</h3>
<p>Use the shortcode to generate a secure download button with restricted access:</p>
<p>[cr2sm_download file=”lite/file.pdf” label=”Download”]</p>
<p>Files are delivered through time-limited signed URLs and are not publicly accessible.</p>


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