/**
* Attempt to initiate WP_Filesystem
*
* If this fails, $use_filesystem is set to false and all methods in this class should use native php fallbacks
* Thwarts `request_filesystem_credentials()` attempt to display a form for obtaining creds from users
*
* TODO: provide notice and input in wp-admin for users when this fails
*/
public function maybe_init_wp_filesystem()
{
ob_start();
$this->credentials = request_filesystem_credentials('', '', false, false, null);
$ob_contents = ob_get_contents();
ob_end_clean();
if (wp_filesystem($this->credentials)) {
global $wp_filesystem;
$this->wp_filesystem = $wp_filesystem;
$this->use_filesystem = true;
}
}
public function get_screenshot($slug, $file = 'index.html', $size = 300)
{
$fileuri = $this->url . '/' . $slug . '/' . $file;
$screenshotfile = MYMAIL_UPLOAD_DIR . '/screenshots/' . $slug . '_' . $file . '.jpg';
$screenshoturi = MYMAIL_UPLOAD_URI . '/screenshots/' . $slug . '_' . $file . '.jpg';
$file = $this->path . '/' . $slug . '/' . $file;
//serve saved
if (file_exists($screenshotfile) && file_exists($file) && filemtime($file) < filemtime($screenshotfile)) {
$url = $screenshoturi . '?c=' . filemtime($screenshotfile);
} else {
if (!file_exists($file) || substr($_SERVER['REMOTE_ADDR'], 0, 4) == '127.' || $_SERVER['REMOTE_ADDR'] == '::1') {
$url = 'http://s.wordpress.com/wp-content/plugins/mshots/default.gif';
} else {
$url = 'http://s.wordpress.com/mshots/v1/' . urlencode($fileuri . '?c=' . md5_file($file)) . '?w=' . $size;
$remote = wp_remote_get($url, array('redirection' => 0));
if (wp_remote_retrieve_response_code($remote) == 200) {
wp_filesystem();
global $wp_filesystem;
if (!is_dir(dirname($screenshotfile))) {
wp_mkdir_p(dirname($screenshotfile));
}
$wp_filesystem->put_contents($screenshotfile, wp_remote_retrieve_body($remote), false);
}
}
}
return $url;
}
