PHP code example of restruct / silverstripe-signed-asset-urls

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

restruct / silverstripe-signed-asset-urls example snippets

use SilverStripe\Assets\File;

// Get a file and generate signed URL
$file = File::get()->byID(123);
$signedUrl = $file->SignedURL();  // Uses default TTL

// Custom TTL (2 hours)
$signedUrl = $file->SignedURL(7200);

// Session-bound URL (only works for current user's session)
$signedUrl = $file->SignedURL(3600, true);

// Using named policies (see Policies section below)
$signedUrl = $file->AutoURL('ss');  // 30s, session-bound
$signedUrl = $file->AutoURL('m');   // 1 hour, not session-bound

// Check if a file 

// In your PageController or via extension
public function SignedURLCacheWindow(int $windowSeconds = 3600): string
{
    return floor(time() / $windowSeconds);
}

// SignedUrlDBFileExtension::ires signed URL

// Check 1: CanViewType restrictions (ck 2: Versioned staging - unpublished files are protected
if ($file->hasExtension(Versioned::class) && !$file->isPublished()) {
    return true;  // Needs signed URL
}

return false;  // Public file, returns normal URL instead

// app/_config.php
File::remove_extension(Versioned::class);

// app/_config/app.yml
SilverStripe\Assets\File:
  extensions:
    versioned: SilverStripe\Versioned\Versioned.versioned

yaml
Restruct\SilverStripe\SignedAssetUrls\Services\AssetUrlSigningService:
  policies:
    # Override or add policies
    instant: { ttl: 10, session: true }           # 10 seconds, session-bound
    download: { ttl: 300, session: false }        # 5 minutes for downloads
    preview: { ttl: 1800, session: true }         # 30 min preview, session-bound

yaml
Restruct\SilverStripe\SignedAssetUrls\Services\AssetUrlSigningService:
  auto_cache_headers: false