/**
* Acts in place of the standard avatar processing function.
*/
function gravatar_process($data, $error)
{
global $config, $db, $user, $phpbb_root_path, $phpEx;
// Make sure getimagesize works...
if (($image_data = @getimagesize($data['gravatar'])) === false && (empty($data['width']) || empty($data['height']))) {
$error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
return false;
}
if (!empty($image_data) && ($image_data[0] < 2 || $image_data[1] < 2)) {
$error[] = $user->lang['AVATAR_NO_SIZE'];
return false;
}
$width = $data['width'] && $data['height'] ? $data['width'] : $image_data[0];
$height = $data['width'] && $data['height'] ? $data['height'] : $image_data[1];
if ($width < 2 || $height < 2) {
$error[] = $user->lang['AVATAR_NO_SIZE'];
return false;
}
// Check image type
include_once $phpbb_root_path . 'includes/functions_upload.' . $phpEx;
$types = fileupload::image_types();
if (!isset($types[$image_data[2]])) {
$error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
}
if ($config['avatar_max_width'] || $config['avatar_max_height']) {
if ($width > $config['avatar_max_width'] || $height > $config['avatar_max_height']) {
$error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
return false;
}
}
if ($config['avatar_min_width'] || $config['avatar_min_height']) {
if ($width < $config['avatar_min_width'] || $height < $config['avatar_min_height']) {
$error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
return false;
}
}
return array(AVATAR_REMOTE, $data['gravatar'], $width, $height);
}
/**
* Remote avatar linkage
*/
function avatar_remote($data, &$error)
{
global $config, $db, $user, $phpbb_root_path, $phpEx;
if (!preg_match('#^(http|https|ftp)://#i', $data['remotelink'])) {
$data['remotelink'] = 'http://' . $data['remotelink'];
}
if (!preg_match('#^(http|https|ftp)://(?:(.*?\\.)*?[a-z0-9\\-]+?\\.[a-z]{2,4}|(?:\\d{1,3}\\.){3,5}\\d{1,3}):?([0-9]*?).*?\\.(gif|jpg|jpeg|png)$#i', $data['remotelink'])) {
$error[] = $user->lang['AVATAR_URL_INVALID'];
return false;
}
// Make sure getimagesize works...
if (($image_data = @getimagesize($data['remotelink'])) === false && (empty($data['width']) || empty($data['height']))) {
$error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
return false;
}
if (!empty($image_data) && ($image_data[0] < 2 || $image_data[1] < 2)) {
$error[] = $user->lang['AVATAR_NO_SIZE'];
return false;
}
$width = $data['width'] && $data['height'] ? $data['width'] : $image_data[0];
$height = $data['width'] && $data['height'] ? $data['height'] : $image_data[1];
if ($width < 2 || $height < 2) {
$error[] = $user->lang['AVATAR_NO_SIZE'];
return false;
}
// Check image type
include_once $phpbb_root_path . 'includes/functions_upload.' . $phpEx;
$types = fileupload::image_types();
$extension = strtolower(filespec::get_extension($data['remotelink']));
if (!empty($image_data) && (!isset($types[$image_data[2]]) || !in_array($extension, $types[$image_data[2]]))) {
if (!isset($types[$image_data[2]])) {
$error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
} else {
$error[] = sprintf($user->lang['IMAGE_FILETYPE_MISMATCH'], $types[$image_data[2]][0], $extension);
}
return false;
}
if ($config['avatar_max_width'] || $config['avatar_max_height']) {
if ($width > $config['avatar_max_width'] || $height > $config['avatar_max_height']) {
$error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
return false;
}
}
if ($config['avatar_min_width'] || $config['avatar_min_height']) {
if ($width < $config['avatar_min_width'] || $height < $config['avatar_min_height']) {
$error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
return false;
}
}
return array(AVATAR_REMOTE, $data['remotelink'], $width, $height);
}
/**
* Move file to destination folder
* The phpbb_root_path variable will be applied to the destination path
*
* @param string $destination Destination path, for example $config['avatar_path']
* @param bool $overwrite If set to true, an already existing file will be overwritten
* @param bool $skip_image_check If set to true, the check for the file to be a valid image is skipped
* @param string $chmod Permission mask for chmodding the file after a successful move. The mode entered here reflects the mode defined by {@link phpbb_chmod()}
*
* @access public
*/
function move_file($destination, $overwrite = false, $skip_image_check = false, $chmod = false)
{
global $user, $phpbb_root_path;
if (sizeof($this->error)) {
return false;
}
$chmod = $chmod === false ? CHMOD_READ | CHMOD_WRITE : $chmod;
// We need to trust the admin in specifying valid upload directories and an attacker not being able to overwrite it...
$this->destination_path = $phpbb_root_path . $destination;
// Check if the destination path exist...
if (!file_exists($this->destination_path)) {
@unlink($this->filename);
return false;
}
$upload_mode = @ini_get('open_basedir') || @ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'on' ? 'move' : 'copy';
$upload_mode = $this->local ? 'local' : $upload_mode;
$this->destination_file = $this->destination_path . '/' . utf8_basename($this->realname);
// Check if the file already exist, else there is something wrong...
if (file_exists($this->destination_file) && !$overwrite) {
@unlink($this->filename);
$this->error[] = $user->lang($this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR', $this->destination_file);
$this->file_moved = false;
return false;
} else {
if (file_exists($this->destination_file)) {
@unlink($this->destination_file);
}
switch ($upload_mode) {
case 'copy':
if (!@copy($this->filename, $this->destination_file)) {
if (!@move_uploaded_file($this->filename, $this->destination_file)) {
$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
}
}
break;
case 'move':
if (!@move_uploaded_file($this->filename, $this->destination_file)) {
if (!@copy($this->filename, $this->destination_file)) {
$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
}
}
break;
case 'local':
if (!@copy($this->filename, $this->destination_file)) {
$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
}
break;
}
// Remove temporary filename
@unlink($this->filename);
if (sizeof($this->error)) {
return false;
}
phpbb_chmod($this->destination_file, $chmod);
}
// Try to get real filesize from destination folder
$this->filesize = @filesize($this->destination_file) ? @filesize($this->destination_file) : $this->filesize;
// Get mimetype of supplied file
$this->mimetype = $this->get_mimetype($this->destination_file);
if ($this->is_image() && !$skip_image_check) {
$this->width = $this->height = 0;
if (($this->image_info = @getimagesize($this->destination_file)) !== false) {
$this->width = $this->image_info[0];
$this->height = $this->image_info[1];
if (!empty($this->image_info['mime'])) {
$this->mimetype = $this->image_info['mime'];
}
// Check image type
$types = fileupload::image_types();
if (!isset($types[$this->image_info[2]]) || !in_array($this->extension, $types[$this->image_info[2]])) {
if (!isset($types[$this->image_info[2]])) {
$this->error[] = sprintf($user->lang['IMAGE_FILETYPE_INVALID'], $this->image_info[2], $this->mimetype);
} else {
$this->error[] = sprintf($user->lang['IMAGE_FILETYPE_MISMATCH'], $types[$this->image_info[2]][0], $this->extension);
}
}
// Make sure the dimensions match a valid image
if (empty($this->width) || empty($this->height)) {
$this->error[] = $user->lang['ATTACHED_IMAGE_NOT_IMAGE'];
}
} else {
$this->error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
}
}
$this->file_moved = true;
$this->additional_checks();
unset($this->upload);
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
// This isn't perfect, but it's what phpBB 3.0 did, and might as well make sure everything is compatible
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)) {
$error[] = 'AVATAR_URL_INVALID';
return false;
}
// Make sure getimagesize works...
if (function_exists('getimagesize')) {
if (($width <= 0 || $height <= 0) && ($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;
}
$width = $width && $height ? $width : $image_data[0];
$height = $width && $height ? $height : $image_data[1];
}
if ($width <= 0 || $height <= 0) {
$error[] = 'AVATAR_NO_SIZE';
return false;
}
if (!class_exists('fileupload')) {
include $this->phpbb_root_path . 'includes/functions_upload.' . $this->php_ext;
}
$types = \fileupload::image_types();
$extension = strtolower(\filespec::get_extension($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[2]]) || !in_array($extension, $types[$image_data[2]]))) {
if (!isset($types[$image_data[2]])) {
$error[] = 'UNABLE_GET_IMAGE_SIZE';
} else {
$error[] = array('IMAGE_FILETYPE_MISMATCH', $types[$image_data[2]][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);
}
/**
* Check than remote banner exists
* called by banner_process()
*
* @param string $banner The banner's remote url
* @param array $error The array error, passed by reference
* @return false|string String if no errors, else false
*/
private function _banner_remote($banner, &$error)
{
if (!preg_match('#^(http|https|ftp)://#i', $banner)) {
$banner = 'http://' . $banner;
}
if (!preg_match('#^(http|https|ftp)://(?:(.*?\\.)*?[a-z0-9\\-]+?\\.[a-z]{2,4}|(?:\\d{1,3}\\.){3,5}\\d{1,3}):?([0-9]*?).*?\\.(gif|jpg|jpeg|png)$#i', $banner)) {
$error[] = $this->user->lang['DIR_BANNER_URL_INVALID'];
return false;
}
// Make sure getimagesize works...
if (($image_data = @getimagesize($banner)) === false) {
$error[] = $this->user->lang['DIR_BANNER_UNABLE_GET_IMAGE_SIZE'];
return false;
}
if (!empty($image_data) && ($image_data[0] < 2 || $image_data[1] < 2)) {
$error[] = $this->user->lang['DIR_BANNER_UNABLE_GET_IMAGE_SIZE'];
return false;
}
$width = $image_data[0];
$height = $image_data[1];
// Check image type
if (!class_exists('fileupload')) {
include $this->root_path . 'includes/functions_upload.' . $this->php_ext;
}
$types = \fileupload::image_types();
$extension = strtolower(\filespec::get_extension($banner));
// Check if this is actually an image
if ($file_stream = @fopen($banner, '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) {
$error[] = 'DIR_BANNER_URL_INVALID';
fclose($file_stream);
return false;
} else {
fclose($file_stream);
break;
}
}
}
} else {
$error[] = 'DIR_BANNER_URL_INVALID';
return false;
}
if (!empty($image_data) && (!isset($types[$image_data[2]]) || !in_array($extension, $types[$image_data[2]]))) {
if (!isset($types[$image_data[2]])) {
$error[] = $this->user->lang['UNABLE_GET_IMAGE_SIZE'];
} else {
$error[] = $this->user->lang('DIR_BANNER_IMAGE_FILETYPE_MISMATCH', $types[$image_data[2]][0], $extension);
}
return false;
}
if (($this->config['dir_banner_width'] || $this->config['dir_banner_height']) && ($width > $this->config['dir_banner_width'] || $height > $this->config['dir_banner_height'])) {
$error[] = $this->user->lang('DIR_BANNER_WRONG_SIZE', $this->config['dir_banner_width'], $this->config['dir_banner_height'], $width, $height);
return false;
}
return $banner;
}
