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<?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 remotely
*/
class remote extends \phpbb\avatar\driver\driver
{
/**
* {@inheritdoc}
*/
public function get_data($row)
{
return array(
'src' => $row['avatar'],
'width' => $row['avatar_width'],
'height' => $row['avatar_height'],
);
}
/**
* {@inheritdoc}
*/
public function prepare_form($request, $template, $user, $row, &$error)
{
$template->assign_vars(array(
'AVATAR_REMOTE_WIDTH' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_remote_width', ''),
'AVATAR_REMOTE_HEIGHT' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_remote_width', ''),
'AVATAR_REMOTE_URL' => ((in_array($row['avatar_type'], array(AVATAR_REMOTE, $this->get_name(), 'remote'))) && $row['avatar']) ? $row['avatar'] : '',
));
return true;
}
/**
* {@inheritdoc}
*/
public function process_form($request, $template, $user, $row, &$error)
{
$url = $request->variable('avatar_remote_url', '');
$width = $request->variable('avatar_remote_width', 0);
$height = $request->variable('avatar_remote_height', 0);
if (empty($url))
{
return false;
}
if (!preg_match('#^(http|https|ftp)://#i', $url))
{
$url = 'http://' . $url;
}
if (!function_exists('validate_data'))
{
require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
}
$validate_array = validate_data(
array(
'url' => $url,
),
array(
'url' => array('string', true, 5, 255),
)
);
$error = array_merge($error, $validate_array);
if (!empty($error))
{
return false;
}
// Check if this url looks alright
// Do not allow specifying the port (see RFC 3986) or IP addresses
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) ||
preg_match('@^(http|https|ftp)://[^/:?#]+:[0-9]+[/:?#]@i', $url) ||
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) ||
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))
{
$error[] = 'AVATAR_URL_INVALID';
return false;
}
// Get image dimensions
if (($width <= 0 || $height <= 0) && (($image_data = $this->imagesize->getImageSize($url)) === false))
{
$error[] = 'UNABLE_GET_IMAGE_SIZE';
return false;
}
if (!empty($image_data) && ($image_data['width'] <= 0 || $image_data['height'] <= 0))
{
$error[] = 'AVATAR_NO_SIZE';
return false;
}
$width = ($width && $height) ? $width : $image_data['width'];
$height = ($width && $height) ? $height : $image_data['height'];
if ($width <= 0 || $height <= 0)
{
$error[] = 'AVATAR_NO_SIZE';
return false;
}
$types = \phpbb\files\upload::image_types();
$extension = strtolower(\phpbb\files\filespec::get_extension($url));
// Check if this is actually an image
if ($file_stream = @fopen($url, 'r'))
{
// Timeout after 1 second
stream_set_timeout($file_stream, 1);
// read some data to ensure headers are present
fread($file_stream, 1024);
$meta = stream_get_meta_data($file_stream);
if (isset($meta['wrapper_data']['headers']) && is_array($meta['wrapper_data']['headers']))
{
$headers = $meta['wrapper_data']['headers'];
}
else if (isset($meta['wrapper_data']) && is_array($meta['wrapper_data']))
{
$headers = $meta['wrapper_data'];
}
else
{
$headers = array();
}
foreach ($headers as $header)
{
$header = preg_split('/ /', $header, 2);
if (strtr(strtolower(trim($header[0], ':')), '_', '-') === 'content-type')
{
if (strpos($header[1], 'image/') !== 0)
{
$error[] = 'AVATAR_URL_INVALID';
fclose($file_stream);
return false;
}
else
{
fclose($file_stream);
break;
}
}
}
}
else
{
$error[] = 'AVATAR_URL_INVALID';
return false;
}
if (!empty($image_data) && (!isset($types[$image_data['type']]) || !in_array($extension, $types[$image_data['type']])))
{
if (!isset($types[$image_data['type']]))
{
$error[] = 'UNABLE_GET_IMAGE_SIZE';
}
else
{
$error[] = array('IMAGE_FILETYPE_MISMATCH', $types[$image_data['type']][0], $extension);
}
return false;
}
if ($this->config['avatar_max_width'] || $this->config['avatar_max_height'])
{
if ($width > $this->config['avatar_max_width'] || $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'], $width, $height);
return false;
}
}
if ($this->config['avatar_min_width'] || $this->config['avatar_min_height'])
{
if ($width < $this->config['avatar_min_width'] || $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'], $width, $height);
return false;
}
}
return array(
'avatar' => $url,
'avatar_width' => $width,
'avatar_height' => $height,
);
}
/**
* {@inheritdoc}
*/
public function get_template_name()
{
return 'ucp_avatar_options_remote.html';
}
}
|
