110 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| 
 | |
| namespace Nextend\Framework\Cache;
 | |
| 
 | |
| use Nextend\Framework\Filesystem\Filesystem;
 | |
| use Nextend\Framework\Misc\HttpClient;
 | |
| 
 | |
| class CacheGoogleFont extends AbstractCache {
 | |
| 
 | |
|     protected $_storageEngine = 'filesystem';
 | |
|     private $fontExtension;
 | |
| 
 | |
|     public function __construct() {
 | |
|         parent::__construct('googlefonts', true);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param string $url
 | |
|      *
 | |
|      * @return boolean|string The path of the cached file
 | |
|      */
 | |
|     public function makeCache($url, $extension) {
 | |
| 
 | |
|         $hash = $this->generateHash($url);
 | |
| 
 | |
|         $fileName              = $hash;
 | |
|         $fileNameWithExtension = $fileName . '.' . $extension;
 | |
| 
 | |
|         $isCached = $this->exists($fileNameWithExtension);
 | |
| 
 | |
|         if ($isCached) {
 | |
|             if (!$this->testManifestFile($fileName)) {
 | |
|                 $isCached = false;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         if (!$isCached) {
 | |
| 
 | |
|             $cssContent = HttpClient::get($url);
 | |
| 
 | |
|             if (!$cssContent) {
 | |
|                 return false;
 | |
|             }
 | |
| 
 | |
|             if ($extension === 'css') {
 | |
|                 $fontExtensions = array(
 | |
|                     'woff2',
 | |
|                     'ttf'
 | |
|                 );
 | |
| 
 | |
|                 foreach ($fontExtensions as $this->fontExtension) {
 | |
|                     $cssContent = preg_replace_callback('/url\(["\']?(.*?\.' . $this->fontExtension . ')["\']?\)/i', function ($matches) {
 | |
| 
 | |
|                         $url = $matches[1];
 | |
| 
 | |
|                         $cache = new CacheGoogleFont();
 | |
| 
 | |
|                         $path = $cache->makeCache($url, $this->fontExtension);
 | |
| 
 | |
|                         if ($path) {
 | |
|                             $url = Filesystem::pathToAbsoluteURL($path);
 | |
|                         }
 | |
| 
 | |
|                         return 'url(' . $url . ')';
 | |
|                     }, $cssContent);
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             $this->set($fileNameWithExtension, $cssContent);
 | |
| 
 | |
|             $this->createManifestFile($fileName);
 | |
|         }
 | |
| 
 | |
|         return $this->getPath($fileNameWithExtension);
 | |
|     }
 | |
| 
 | |
|     private function generateHash($url) {
 | |
|         return md5($url);
 | |
|     }
 | |
| 
 | |
|     protected function testManifestFile($fileName) {
 | |
|         $manifestKey = $this->getManifestKey($fileName);
 | |
|         if ($this->exists($manifestKey)) {
 | |
| 
 | |
|             $manifestData = json_decode($this->get($manifestKey), true);
 | |
| 
 | |
|             if ($manifestData['mtime'] > strtotime('-30 days')) {
 | |
|                 return true;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     protected function createManifestFile($fileName) {
 | |
| 
 | |
|         $this->set($this->getManifestKey($fileName), json_encode($this->getManifestData()));
 | |
|     }
 | |
| 
 | |
|     private function getManifestData() {
 | |
| 
 | |
|         return array(
 | |
|             'mtime' => time()
 | |
|         );
 | |
|     }
 | |
| 
 | |
|     protected function getManifestKey($fileName) {
 | |
|         return $fileName . '.manifest';
 | |
|     }
 | |
| } |