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<?php
/**
*
* @package phpBB3
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
namespace phpbb\avatar\driver;
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Handles avatars hosted at gravatar.com
* @package phpBB3
*/
class gravatar extends \phpbb\avatar\driver\driver
{
/**
* The URL for the gravatar service
*/
const GRAVATAR_URL = '//secure.gravatar.com/avatar/';
/**
* @inheritdoc
*/
public function get_data($row)
{
return array(
'src' => $row['avatar'],
'width' => $row['avatar_width'],
'height' => $row['avatar_height'],
);
}
/**
* @inheritdoc
*/
public function get_custom_html($user, $row, $alt = '')
{
return '<img src="' . $this->get_gravatar_url($row) . '" ' .
($row['avatar_width'] ? ('width="' . $row['avatar_width'] . '" ') : '') .
($row['avatar_height'] ? ('height="' . $row['avatar_height'] . '" ') : '') .
'alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />';
}
/**
* @inheritdoc
*/
public function prepare_form($request, $template, $user, $row, &$error)
{
$template->assign_vars(array(
'AVATAR_GRAVATAR_WIDTH' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_gravatar_width', 0),
'AVATAR_GRAVATAR_HEIGHT' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_gravatar_width', 0),
'AVATAR_GRAVATAR_EMAIL' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar']) ? $row['avatar'] : '',
));
return true;
}
/**
* @inheritdoc
*/
public function process_form($request, $template, $user, $row, &$error)
{
$row['avatar'] = $request->variable('avatar_gravatar_email', '');
$row['avatar_width'] = $request->variable('avatar_gravatar_width', 0);
$row['avatar_height'] = $request->variable('avatar_gravatar_height', 0);
if (!function_exists('validate_data'))
{
require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
}
$validate_array = validate_data(
array(
'email' => $row['avatar'],
),
array(
'email' => array(
array('string', false, 6, 60),
array('email'))
)
);
$error = array_merge($error, $validate_array);
if (!empty($error))
{
return false;
}
// Make sure getimagesize works...
if (function_exists('getimagesize') && ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0))
{
/**
* default to the minimum of the maximum allowed avatar size if the size
* is not or only partially entered
*/
$row['avatar_width'] = $row['avatar_height'] = min($this->config['avatar_max_width'], $this->config['avatar_max_height']);
$url = $this->get_gravatar_url($row);
if (($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) && (($image_data = getimagesize($url)) === false))
{
$error[] = 'UNABLE_GET_IMAGE_SIZE';
return false;
}
if (!empty($image_data) && ($image_data[0] <= 0 || $image_data[1] <= 0))
{
$error[] = 'AVATAR_NO_SIZE';
return false;
}
$row['avatar_width'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_width'] : $image_data[0];
$row['avatar_height'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_height'] : $image_data[1];
}
if ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0)
{
$error[] = 'AVATAR_NO_SIZE';
return false;
}
if ($this->config['avatar_max_width'] || $this->config['avatar_max_height'])
{
if ($row['avatar_width'] > $this->config['avatar_max_width'] || $row['avatar_height'] > $this->config['avatar_max_height'])
{
$error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']);
return false;
}
}
if ($this->config['avatar_min_width'] || $this->config['avatar_min_height'])
{
if ($row['avatar_width'] < $this->config['avatar_min_width'] || $row['avatar_height'] < $this->config['avatar_min_height'])
{
$error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']);
return false;
}
}
return array(
'avatar' => $row['avatar'],
'avatar_width' => $row['avatar_width'],
'avatar_height' => $row['avatar_height'],
);
}
/**
* Build gravatar URL for output on page
*
* @return string Gravatar URL
*/
protected function get_gravatar_url($row)
{
$url = self::GRAVATAR_URL;
$url .= md5(strtolower(trim($row['avatar'])));
if ($row['avatar_width'] || $row['avatar_height'])
{
$url .= '?s=' . max($row['avatar_width'], $row['avatar_height']);
}
return $url;
}
}
|
