Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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gravatar.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\avatar\driver;
015
016 /**
017 * Handles avatars hosted at gravatar.com
018 */
019 class gravatar extends \phpbb\avatar\driver\driver
020 {
021 /**
022 * The URL for the gravatar service
023 */
024 const GRAVATAR_URL = '//secure.gravatar.com/avatar/';
025
026 /**
027 * {@inheritdoc}
028 */
029 public function get_data($row)
030 {
031 return array(
032 'src' => $row['avatar'],
033 'width' => $row['avatar_width'],
034 'height' => $row['avatar_height'],
035 );
036 }
037
038 /**
039 * {@inheritdoc}
040 */
041 public function get_custom_html($user, $row, $alt = '')
042 {
043 return '<img src="' . $this->get_gravatar_url($row) . '" ' .
044 ($row['avatar_width'] ? ('width="' . $row['avatar_width'] . '" ') : '') .
045 ($row['avatar_height'] ? ('height="' . $row['avatar_height'] . '" ') : '') .
046 'alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />';
047 }
048
049 /**
050 * {@inheritdoc}
051 */
052 public function prepare_form($request, $template, $user, $row, &$error)
053 {
054 $template->assign_vars(array(
055 'AVATAR_GRAVATAR_WIDTH' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_gravatar_width', 0),
056 'AVATAR_GRAVATAR_HEIGHT' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_gravatar_width', 0),
057 'AVATAR_GRAVATAR_EMAIL' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar']) ? $row['avatar'] : '',
058 ));
059
060 return true;
061 }
062
063 /**
064 * {@inheritdoc}
065 */
066 public function process_form($request, $template, $user, $row, &$error)
067 {
068 $row['avatar'] = $request->variable('avatar_gravatar_email', '');
069 $row['avatar_width'] = $request->variable('avatar_gravatar_width', 0);
070 $row['avatar_height'] = $request->variable('avatar_gravatar_height', 0);
071
072 if (empty($row['avatar']))
073 {
074 return false;
075 }
076
077 if (!function_exists('validate_data'))
078 {
079 require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
080 }
081
082 $validate_array = validate_data(
083 array(
084 'email' => $row['avatar'],
085 ),
086 array(
087 'email' => array(
088 array('string', false, 6, 60),
089 array('email'),
090 ),
091 )
092 );
093
094 $error = array_merge($error, $validate_array);
095
096 if (!empty($error))
097 {
098 return false;
099 }
100
101 // Make sure getimagesize works...
102 if (function_exists('getimagesize') && ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0))
103 {
104 /**
105 * default to the minimum of the maximum allowed avatar size if the size
106 * is not or only partially entered
107 */
108 $row['avatar_width'] = $row['avatar_height'] = min($this->config['avatar_max_width'], $this->config['avatar_max_height']);
109 $url = $this->get_gravatar_url($row);
110
111 if (($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) && (($image_data = getimagesize($url)) === false))
112 {
113 $error[] = 'UNABLE_GET_IMAGE_SIZE';
114 return false;
115 }
116
117 if (!empty($image_data) && ($image_data[0] <= 0 || $image_data[1] <= 0))
118 {
119 $error[] = 'AVATAR_NO_SIZE';
120 return false;
121 }
122
123 $row['avatar_width'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_width'] : $image_data[0];
124 $row['avatar_height'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_height'] : $image_data[1];
125 }
126
127 if ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0)
128 {
129 $error[] = 'AVATAR_NO_SIZE';
130 return false;
131 }
132
133 if ($this->config['avatar_max_width'] || $this->config['avatar_max_height'])
134 {
135 if ($row['avatar_width'] > $this->config['avatar_max_width'] || $row['avatar_height'] > $this->config['avatar_max_height'])
136 {
137 $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'], $row['avatar_height']);
138 return false;
139 }
140 }
141
142 if ($this->config['avatar_min_width'] || $this->config['avatar_min_height'])
143 {
144 if ($row['avatar_width'] < $this->config['avatar_min_width'] || $row['avatar_height'] < $this->config['avatar_min_height'])
145 {
146 $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']);
147 return false;
148 }
149 }
150
151 return array(
152 'avatar' => $row['avatar'],
153 'avatar_width' => $row['avatar_width'],
154 'avatar_height' => $row['avatar_height'],
155 );
156 }
157
158 /**
159 * {@inheritdoc}
160 */
161 public function get_template_name()
162 {
163 return 'ucp_avatar_options_gravatar.html';
164 }
165
166 /**
167 * Build gravatar URL for output on page
168 *
169 * @param array $row User data or group data that has been cleaned with
170 * \phpbb\avatar\manager::clean_row
171 * @return string Gravatar URL
172 */
173 protected function get_gravatar_url($row)
174 {
175 $url = self::GRAVATAR_URL;
176 $url .= md5(strtolower(trim($row['avatar'])));
177
178 if ($row['avatar_width'] || $row['avatar_height'])
179 {
180 $url .= '?s=' . max($row['avatar_width'], $row['avatar_height']);
181 }
182
183 return $url;
184 }
185 }
186