-<?php

-/**

-*

-* @package phpBB3

-* @copyright (c) 2012 phpBB Group

-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Handles avatars hosted at gravatar.com

-* @package phpBB3

-*/

-class phpbb_avatar_driver_gravatar extends phpbb_avatar_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;

- }

-}