+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\avatar\driver;

+

+/**

+* Handles avatars hosted at gravatar.com

+*/

+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', ''),

+ 'AVATAR_GRAVATAR_HEIGHT' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_gravatar_width', ''),

+ '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 (empty($row['avatar']))

+ {

+ return false;

+ }

+

+ 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'],

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_template_name()

+ {

+ return 'ucp_avatar_options_gravatar.html';

+ }

+

+ /**

+ * Build gravatar URL for output on page

+ *

+ * @param array $row User data or group data that has been cleaned with

+ * \phpbb\avatar\manager::clean_row

+ * @return string Gravatar URL

+ */

+ protected function get_gravatar_url($row)

+ {

+ global $phpbb_dispatcher;

+

+ $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']);

+ }

+

+ /**

+ * Modify gravatar url

+ *

+ * @event core.get_gravatar_url_after

+ * @var string row User data or group data

+ * @var string url Gravatar URL

+ * @since 3.1.7-RC1

+ */

+ $vars = array('row', 'url');

+ extract($phpbb_dispatcher->trigger_event('core.get_gravatar_url_after', compact($vars)));

+

+ return $url;

+ }

+}