Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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remote.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 remotely
018 */
019 class remote extends \phpbb\avatar\driver\driver
020 {
021 /**
022 * {@inheritdoc}
023 */
024 public function get_data($row)
025 {
026 return array(
027 'src' => $row['avatar'],
028 'width' => $row['avatar_width'],
029 'height' => $row['avatar_height'],
030 );
031 }
032
033 /**
034 * {@inheritdoc}
035 */
036 public function prepare_form($request, $template, $user, $row, &$error)
037 {
038 $template->assign_vars(array(
039 'AVATAR_REMOTE_WIDTH' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_remote_width', ''),
040 'AVATAR_REMOTE_HEIGHT' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_remote_width', ''),
041 'AVATAR_REMOTE_URL' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar']) ? $row['avatar'] : '',
042 ));
043
044 return true;
045 }
046
047 /**
048 * {@inheritdoc}
049 */
050 public function process_form($request, $template, $user, $row, &$error)
051 {
052 global $phpbb_dispatcher;
053
054 $url = $request->variable('avatar_remote_url', '');
055 $width = $request->variable('avatar_remote_width', 0);
056 $height = $request->variable('avatar_remote_height', 0);
057
058 if (empty($url))
059 {
060 return false;
061 }
062
063 if (!preg_match('#^(http|https|ftp)://#i', $url))
064 {
065 $url = 'https://' . $url;
066 }
067
068 if (!function_exists('validate_data'))
069 {
070 require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
071 }
072
073 $validate_array = validate_data(
074 array(
075 'url' => $url,
076 ),
077 array(
078 'url' => array('string', true, 5, 255),
079 )
080 );
081
082 $error = array_merge($error, $validate_array);
083
084 if (!empty($error))
085 {
086 return false;
087 }
088
089 /**
090 * Event to make custom validation of avatar upload
091 *
092 * @event core.ucp_profile_avatar_upload_validation
093 * @var string url Image url
094 * @var string width Image width
095 * @var string height Image height
096 * @var array error Error message array
097 * @since 3.2.9-RC1
098 */
099 $vars = array('url', 'width', 'height', 'error');
100 extract($phpbb_dispatcher->trigger_event('core.ucp_profile_avatar_upload_validation', compact($vars)));
101
102 if (!empty($error))
103 {
104 return false;
105 }
106
107 // Check if this url looks alright
108 // Do not allow specifying the port (see RFC 3986) or IP addresses
109 if (!preg_match('#^(http|https|ftp)://(?:(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}|(?:\d{1,3}\.){3,5}\d{1,3}):?([0-9]*?).*?\.('. implode('|', $this->allowed_extensions) . ')$#i', $url) ||
110 preg_match('@^(http|https|ftp)://[^/:?#]+:[0-9]+[/:?#]@i', $url) ||
111 preg_match('#^(http|https|ftp)://(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])#i', $url) ||
112 preg_match('#^(http|https|ftp)://(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){0,5}(?:[\dA-F]{1,4}(?::[\dA-F]{1,4})?|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:)|(?:::))#i', $url))
113 {
114 $error[] = 'AVATAR_URL_INVALID';
115 return false;
116 }
117
118 // Get image dimensions
119 if (($width <= 0 || $height <= 0) && (($image_data = $this->imagesize->getImageSize($url)) === false))
120 {
121 $error[] = 'UNABLE_GET_IMAGE_SIZE';
122 return false;
123 }
124
125 if (!empty($image_data) && ($image_data['width'] <= 0 || $image_data['height'] <= 0))
126 {
127 $error[] = 'AVATAR_NO_SIZE';
128 return false;
129 }
130
131 $width = ($width && $height) ? $width : $image_data['width'];
132 $height = ($width && $height) ? $height : $image_data['height'];
133
134 if ($width <= 0 || $height <= 0)
135 {
136 $error[] = 'AVATAR_NO_SIZE';
137 return false;
138 }
139
140 $types = \phpbb\files\upload::image_types();
141 $extension = strtolower(\phpbb\files\filespec::get_extension($url));
142
143 // Check if this is actually an image
144 if ($file_stream = @fopen($url, 'r'))
145 {
146 // Timeout after 1 second
147 stream_set_timeout($file_stream, 1);
148 // read some data to ensure headers are present
149 fread($file_stream, 1024);
150 $meta = stream_get_meta_data($file_stream);
151
152 if (isset($meta['wrapper_data']['headers']) && is_array($meta['wrapper_data']['headers']))
153 {
154 $headers = $meta['wrapper_data']['headers'];
155 }
156 else if (isset($meta['wrapper_data']) && is_array($meta['wrapper_data']))
157 {
158 $headers = $meta['wrapper_data'];
159 }
160 else
161 {
162 $headers = array();
163 }
164
165 foreach ($headers as $header)
166 {
167 $header = preg_split('/ /', $header, 2);
168 if (strtr(strtolower(trim($header[0], ':')), '_', '-') === 'content-type')
169 {
170 if (strpos($header[1], 'image/') !== 0)
171 {
172 $error[] = 'AVATAR_URL_INVALID';
173 fclose($file_stream);
174 return false;
175 }
176 else
177 {
178 fclose($file_stream);
179 break;
180 }
181 }
182 }
183 }
184 else
185 {
186 $error[] = 'AVATAR_URL_INVALID';
187 return false;
188 }
189
190 if (!empty($image_data) && (!isset($types[$image_data['type']]) || !in_array($extension, $types[$image_data['type']])))
191 {
192 if (!isset($types[$image_data['type']]))
193 {
194 $error[] = 'UNABLE_GET_IMAGE_SIZE';
195 }
196 else
197 {
198 $error[] = array('IMAGE_FILETYPE_MISMATCH', $types[$image_data['type']][0], $extension);
199 }
200
201 return false;
202 }
203
204 if ($this->config['avatar_max_width'] || $this->config['avatar_max_height'])
205 {
206 if ($width > $this->config['avatar_max_width'] || $height > $this->config['avatar_max_height'])
207 {
208 $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'], $width, $height);
209 return false;
210 }
211 }
212
213 if ($this->config['avatar_min_width'] || $this->config['avatar_min_height'])
214 {
215 if ($width < $this->config['avatar_min_width'] || $height < $this->config['avatar_min_height'])
216 {
217 $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'], $width, $height);
218 return false;
219 }
220 }
221
222 return array(
223 'avatar' => $url,
224 'avatar_width' => $width,
225 'avatar_height' => $height,
226 );
227 }
228
229 /**
230 * {@inheritdoc}
231 */
232 public function get_template_name()
233 {
234 return 'ucp_avatar_options_remote.html';
235 }
236 }
237