Viewing file:  gravatar.php (3.12 KB) -rw-r--r--
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<?php
namespace SpeedyCache;
if(!defined('ABSPATH')){
die('Hacking Attempt');
}
class Gravatar{
// Gets gravatar data
static function get_avatar_data($args, $id_or_email){
if(empty($args) || empty($args['found_avatar'])){
return $args;
}
if(empty($args['url'])){
return $args;
}
// Path to Gravatars
$path = \SpeedyCache\Util::cache_path('gravatars');
if(!is_dir($path)){
mkdir($path, 0755, true);
touch($path . 'index.html');
}
$email_hash = self::get_email_hash($id_or_email);
if(empty($email_hash)){
$email_hash = 'default';
}
$file_name = $email_hash . 'x' . $args['size'] . '.jpg';
$file = $path . $file_name;
if(file_exists($file)){
$url = self::convert_path_to_link($path) . $file_name;
$args['url'] = esc_url($url);
return $args;
}
$res = wp_remote_get($args['url']);
if(empty($res) || is_wp_error($res)){
return $args;
}
if(empty($res['body'])){
return $args;
}
// If we fail to write return the same URL;
if(!file_put_contents($file, $res['body'])){
return $args;
}
$url = self::convert_path_to_link($path) . $file_name;
$args['url'] = esc_url($url);
return $args;
}
// Gets the Email hash which is used in the URL.
static function get_email_hash($id_or_email){
if(is_numeric($id_or_email)){
$user = get_user_by('id', $id_or_email);
if(empty($user) || !is_a($user, 'WP_User')){
return false;
}
} elseif(is_a($id_or_email, 'WP_User')){
$user = $id_or_email;
} elseif(is_a($id_or_email, 'WP_Post')){
$user = get_user_by('id', (int) $id_or_email->post_author);
} elseif(is_a($id_or_email, 'WP_Comment')){
if(!empty($id_or_email->user_id)){
$user = get_user_by('id', (int) $id_or_email->user_id);
}
if(empty($user) && !empty($id_or_email->comment_author_email)){
$id_or_email = $id_or_email->comment_author_email;
}
if(is_a($id_or_email, 'WP_Comment')){
return false;
}
}
if(!empty($user) && is_a($user, 'WP_User')){
$id_or_email = $user->user_email;
}
// We need an email which should be a string if something else is being passed then just return
if(!is_string($id_or_email)){
return false;
}
$email_hash = md5(strtolower(trim($id_or_email)));
return $email_hash;
}
// Deletes all the gravatar stored
static function delete(){
$path = \SpeedyCache\Util::cache_path('gravatars');
if(!file_exists($path)){
return;
}
$files = scandir($path);
if(empty($files)){
return __('No file present to delete', 'speedycache');
}
foreach($files as $file){
// We dont want to delete index.html or any directory.
if(file_exists($path . $file) && !is_dir($path . $file) && $file != 'index.html'){
@unlink($path . $file);
}
}
return __('Gravatar files deleted', 'speedycache');
}
static function convert_path_to_link($path){
preg_match('/\/cache\/speedycache\/.+/', $path, $out);
$prefix_link = str_replace(array('http:', 'https:'), '', content_url());
return $prefix_link . $out[0];
}
}
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