Différences

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

--- php:cache_gravatar [2012-05-28 19:56] – créée mitsu
+++ php:cache_gravatar [2015-07-04 09:05] (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($newfile);
+if (isset($_GET['g'])) {   // g given ? if yes...
-if ($imagecheck['mime']!=='image/png')  // is it a PNG ?
+	if (strlen($_GET['g']) !== 32) { header("HTTP/1.0 404 Not Found");die; }
-  {
+	$hash = preg_replace("/[^a-f0-9]/", "", $_GET['g'] );
-imagepng(imagecreatefromjpeg($newfile),$newfile.'2');  // if no, creating PNG and replacing
+ 	if (strlen($hash) != 32) { header("HTTP/1.0 404 Not Found");die; }
-unlink($newfile);
-rename($newfile.'2', $newfile);
+	$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 (après avoir crée le dossier "gravatars" dans wp-content et y avoir placé le "get.php" ci-dessus):
+<file php gravatar.php>
+<?php
+add_filter('get_avatar', 'be_gravatar_filter', 10, 5);
+function be_gravatar_filter($avatar, $id_or_email, $size, $default, $alt) {
+$email = 'a@b.c';
+if ( is_numeric($id_or_email) ) {
+$id = (int) $id_or_email;
+$user = get_userdata($id);
+if ( $user )
+	$email = $user->user_email;
+	} elseif ( is_object($id_or_email) ) {
+		// No avatar for pingbacks or trackbacks
+		$allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
+		if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) )
+			return false;
+		if ( !empty($id_or_email->user_id) ) {
+			$id = (int) $id_or_email->user_id;
+			$user = get_userdata($id);
+			if ( $user)
+				$email = $user->user_email;
+		} elseif ( !empty($id_or_email->comment_author_email) ) {
+			$email = $id_or_email->comment_author_email;
+		}
+	} else {
+		$email = $id_or_email;
+	}
+	if ( empty($default) ) {
+		$avatar_default = get_option('avatar_default');
+		if ( empty($avatar_default) )
+			$default = 'mystery';
+		else
+			$default = $avatar_default;
+	}
+	if ( !empty($email) )
+		$email_hash = md5( strtolower( $email ) );
+$return = '<a href="https://secure.gravatar.com/avatar/'.$email_hash.'?d=monsterid&amp;r=G&amp;s=500"><img class="gravatar" src="'.site_url('/').'wp-content/gravatars/get.php?g='.$email_hash.'" alt="'.$alt.'"></a>';
+return $return;
+}
+?>
+</file>
+OPTIONNEL: vous pouvez placer le script suivant dans votre dossier de gravatars, il crée une galerie en supprimant les gravatars trop anciens:
+<file php index.php>
+<?php
+// delete gravatars older than 30 days
+$seconds_old = 2592000;
+$dirhandle = opendir('.');
+while($fileclean = readdir($dirhandle)) {
+ if( $fileclean != "." && $fileclean != ".." && $fileclean != "index.php" && $fileclean != "zavatars.html" && $fileclean != "get.php" ) {
+  if(filemtime($fileclean) < (time()-$seconds_old) ) {
+   unlink($fileclean);
   }
+ }
 }
-header('Location: '.$newfile.''); }   // and finally let's redirect to the cached gravatar.
+/*cache*/
+$cache = 'zavatars.html';
+$expire = time() -60000 ;  // galery cached for 16 hours
+$expire_gravatar = time() -10 ;
+ if(file_exists($cache) && filemtime($cache) > $expire) { readfile($cache); }
 else
-{ header("HTTP/1.0 404 Not Found"); echo "erreur"; }  // g not given, return error.
+{ ob_start();
+?>
+<!DOCTYPE html>
+<head><meta charset="UTF-8">
+<title>[Gravatars]</title>
+<style type="text/css">
+<!--
+body { font-size:14px;margin-left:20px;margin-top:20px;font-family:monospace; }
+a { font-weight:bold;text-decoration:none;}
+-->
+</style>
+</head>
+<body>
+Listing généré: <?php echo date("H:i:s");?> (valide ~16 heures)<br><br>
+<?php
+$directory = "./";
+$files = glob($directory . "*");
+foreach($files as $file)
+{
+	if (preg_match("/.html/i", $file)) { }
+	else if (preg_match("/.php/i", $file)) { }
+	else {echo '<a href="https://secure.gravatar.com/avatar/'.substr($file, 2, -4).'?d=monsterid&amp;r=G&amp;s=500"><img alt="" src="'.$file.'"></a>'."\n"; }
+}
 ?>
+</body></html>
+<?php
+$tampon = ob_get_contents();
+ob_end_clean();
+file_put_contents($cache, $tampon);
+echo $tampon; } ?>
 </file>