Différences

Ci-dessous, les différences entre deux révisions de la page.

--- php:cache_gravatar [2012-07-08 12:43] – mitsu
+++ php:cache_gravatar [2015-07-04 11:05] (Version actuelle) – mitsu
@@ Ligne 11: / Ligne 11: @@
 */
 $expire = time() -604800 ;  // default: 604800 (7 days)
-if (isset($_GET['g']))  // g given ? if yes...
+$size = 65;
-{
-if (strlen($_GET['g']) !== 32) { die; }  // g is 32 character long ? if no, die.
+if(isset($_GET['s'])) {
-$hash = ereg_replace("[^a-f0-9]", "", $_GET['g'] );  // strip out anything that doesn't belong in a md5 hash
+	switch ($_GET['s']) {
-if (strlen($hash) != 32) { die; }  // still 32 characters ? if no, given hash wasn't genuine. die.
+		case 0:
-$newfile = $hash.'.png';
+			$size = 32; break;
-$file = 'https://secure.gravatar.com/avatar/'.$hash.'?s=60&d=monsterid';  // gravatar, 60px monsterid.
+		case 1:
-if(file_exists($newfile) && filemtime($newfile) < $expire)
+			$size = 120; break;
-{ unlink($newfile); }  // expired gravatar, out !
+		default:
-if (file_exists($newfile))
+			$size = 65;
-{ }  // the gravatar wasn't removed before: it's valid and doesn't need refreshment
+	}
-else
-{ copy($file, $newfile);   // gravatar deleted, getting new.
-$imagecheck = getimagesize($newfile);
-if ($imagecheck['mime']!=='image/png')  // is it a PNG ?
-  {
-imagepng(imagecreatefromjpeg($newfile),$newfile.'2');  // if no, creating PNG and replacing
-unlink($newfile);
-rename($newfile.'2', $newfile);
-  }
 }
-header('Location: '.$newfile.''); }   // and finally let's redirect to the cached gravatar.
-else
+if (isset($_GET['g'])) {   // g given ? if yes...
-{ header("HTTP/1.0 404 Not Found"); echo "erreur"; }  // g not given, return error.
+	if (strlen($_GET['g']) !== 32) { header("HTTP/1.0 404 Not Found");die; }
+	$hash = preg_replace("/[^a-f0-9]/", "", $_GET['g'] );
+ 	if (strlen($hash) != 32) { header("HTTP/1.0 404 Not Found");die; }
+	$newfile = $hash.'_'.$size.'.png';
+	$file = 'http://gravatar.com/avatar/'.$hash.'?s='.$size.'&d=mm&r=x';
+	if(file_exists($newfile) && filemtime($newfile) < $expire) {
+		unlink($newfile);
+	}
+	if (file_exists($newfile)) {
+	}
+	else {
+		copy($file, $newfile);
+		$imagecheck = getimagesize($newfile);
+		if ($imagecheck['mime']!=='image/png')  {
+			imagepng(imagecreatefromjpeg($newfile),$newfile.'2');
+			unlink($newfile);
+			rename($newfile.'2', $newfile);
+		}
+	}
+	header('Content-Type: image/png');
+	header('Last-Modified: '.gmdate('D, d M Y H:i:s', filemtime($newfile)).' GMT');
+   header('Content-Length: ' . filesize($newfile));
+   header('Cache-Control: public, max-age=86400');
+   readfile($newfile);
+	exit;
+}
+else {
+	$seconds_old = 2592000; // 30 days
+	$dirhandle = opendir('.');
+	while($fileclean = readdir($dirhandle)) {
+		if( $fileclean != "." && $fileclean != ".." && $fileclean != "index.php" ) {
+			if(filemtime($fileclean) < (time()-$seconds_old) ) {
+				unlink($fileclean);
+			}
+		}
+	}
+	header('Location: /');
+	exit;
+}
 ?>
 </file>
-Pour passer les avatars Wordpress, envoyez ce fichier dans le dossier des extensions et activez-le:
+Pour passer les avatars Wordpress, envoyez ce fichier dans le dossier des extensions et activez-le (après avoir crée le dossier "gravatars" dans wp-content et y avoir placé le "get.php" ci-dessus):
 <file php gravatar.php>
 <?php