/**
* Uploads a file to server
*
* @return array filedata
*/
public function upload_file()
{
$this->filedata = array('error' => array(), 'post_attach' => $this->upload->is_valid($this->form_name));
if (!$this->filedata['post_attach']) {
$this->filedata['error'][] = $this->user->lang['NO_UPLOAD_FORM_FOUND'];
return false;
}
if (!isset($this->ext_config->upload_allowed_extensions[$this->object_type])) {
$this->filedata['error'][] = $this->user->lang['NO_UPLOAD_FORM_FOUND'];
return false;
}
$this->upload->set_allowed_extensions($this->ext_config->upload_allowed_extensions[$this->object_type]);
$file = $this->upload->handle_upload('phpbb.titania.attachment.files.types.form', $this->form_name);
if ($file->init_error()) {
$this->filedata['post_attach'] = false;
return false;
}
// Set max file size for anyone but team members.
if (!$this->access->is_team()) {
$this->upload->set_max_filesize($this->get_max_filesize());
}
$file->clean_filename('unique', $this->user->data['user_id'] . '_');
// Move files into their own directory depending on the extension group assigned. Should keep at least some of it organized.
if (!isset($this->ext_config->upload_directory[$this->object_type])) {
$this->filedata['error'][] = $this->user->lang('NO_UPLOAD_FORM_FOUND');
return false;
}
$move_dir = $this->ext_config->upload_directory[$this->object_type];
if (!file_exists($this->ext_config->upload_path . $move_dir)) {
@mkdir($this->ext_config->upload_path . $move_dir);
phpbb_chmod($this->ext_config->upload_path . $move_dir, CHMOD_ALL);
}
$file->move_file($this->ext_config->upload_path . $move_dir, false, true);
if (!empty($file->error)) {
$file->remove();
$this->filedata['error'] = array_merge($this->filedata['error'], $file->error);
$this->filedata['post_attach'] = false;
return false;
}
$this->filedata['filesize'] = $file->get('filesize');
$this->filedata['mimetype'] = $file->get('mimetype');
$this->filedata['extension'] = $file->get('extension');
$this->filedata['is_image'] = $file->is_image();
$this->filedata['physical_filename'] = $file->get('realname');
$this->filedata['attachment_directory'] = $move_dir;
$this->filedata['real_filename'] = $file->get('uploadname');
$this->filedata['filetime'] = time();
$this->filedata['md5_checksum'] = md5_file($file->get('destination_file'));
// Check free disk space
if ($free_space = @disk_free_space($this->ext_config->upload_path)) {
if ($free_space <= $file->get('filesize')) {
$this->filedata['error'][] = $this->user->lang['ATTACH_QUOTA_REACHED'];
$this->filedata['post_attach'] = false;
$file->remove();
return false;
}
}
// Yippe!! File uploaded with no problems...
return true;
}
/**
* Form upload method
* Upload file from users harddisk
*
* @param string $form_name Form name assigned to the file input field (if it is an array, the key has to be specified)
*
* @return filespec $file Object "filespec" is returned, all further operations can be done with this object
* @access public
*/
protected function form_upload($form_name)
{
$upload = $this->request->file($form_name);
unset($upload['local_mode']);
$result = $this->plupload->handle_upload($form_name);
if (is_array($result)) {
$upload = array_merge($upload, $result);
}
/** @var filespec $file */
$file = $this->factory->get('filespec')->set_upload_ary($upload)->set_upload_namespace($this->upload);
if ($file->init_error()) {
$file->error[] = '';
return $file;
}
// Error array filled?
if (isset($upload['error'])) {
$error = $this->upload->assign_internal_error($upload['error']);
if ($error !== false) {
$file->error[] = $error;
return $file;
}
}
// Check if empty file got uploaded (not catched by is_uploaded_file)
if (isset($upload['size']) && $upload['size'] == 0) {
$file->error[] = $this->language->lang($this->upload->error_prefix . 'EMPTY_FILEUPLOAD');
return $file;
}
// PHP Upload file size check
$file = $this->check_upload_size($file);
if (sizeof($file->error)) {
return $file;
}
// Not correctly uploaded
if (!$file->is_uploaded()) {
$file->error[] = $this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED');
return $file;
}
$this->upload->common_checks($file);
return $file;
}
/**
* Remote upload method
* Uploads file from given url
*
* @param string $upload_url URL pointing to file to upload, for example http://www.foobar.com/example.gif
* @return filespec $file Object "filespec" is returned, all further operations can be done with this object
* @access public
*/
protected function remote_upload($upload_url)
{
$upload_ary = array();
$upload_ary['local_mode'] = true;
if (!preg_match('#^(https?://).*?\\.(' . implode('|', $this->upload->allowed_extensions) . ')$#i', $upload_url, $match)) {
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'URL_INVALID'));
}
$url = parse_url($upload_url);
$upload_ary['type'] = 'application/octet-stream';
$url['path'] = explode('.', $url['path']);
$ext = array_pop($url['path']);
$url['path'] = implode('', $url['path']);
$upload_ary['name'] = utf8_basename($url['path']) . ($ext ? '.' . $ext : '');
$remote_max_filesize = $this->get_max_file_size();
$guzzle_options = ['timeout' => $this->upload->upload_timeout, 'connect_timeout' => $this->upload->upload_timeout, 'verify' => !empty($this->config['remote_upload_verify']) ? (bool) $this->config['remote_upload_verify'] : false];
$client = new \GuzzleHttp\Client($guzzle_options);
try {
$response = $client->get($upload_url, $guzzle_options);
} catch (\GuzzleHttp\Exception\ClientException $clientException) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'URL_NOT_FOUND');
} catch (\GuzzleHttp\Exception\RequestException $requestException) {
if (strpos($requestException->getMessage(), 'cURL error 28') !== false || preg_match('/408|504/', $requestException->getCode())) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'REMOTE_UPLOAD_TIMEOUT');
} else {
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED'));
}
} catch (\Exception $e) {
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED'));
}
$content_length = $response->getBody()->getSize();
if ($remote_max_filesize && $content_length > $remote_max_filesize) {
$max_filesize = get_formatted_filesize($remote_max_filesize, false);
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'WRONG_FILESIZE', $max_filesize['value'], $max_filesize['unit']));
}
if ($content_length == 0) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'EMPTY_REMOTE_DATA');
}
$data = $response->getBody();
$filename = tempnam(sys_get_temp_dir(), unique_id() . '-');
if (!($fp = @fopen($filename, 'wb'))) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'NOT_UPLOADED');
}
$upload_ary['size'] = fwrite($fp, $data);
fclose($fp);
unset($data);
$upload_ary['tmp_name'] = $filename;
/** @var filespec $file */
$file = $this->factory->get('filespec')->set_upload_ary($upload_ary)->set_upload_namespace($this->upload);
$this->upload->common_checks($file);
return $file;
}
/**
* Move file from another location to phpBB
*
* @param string $source_file Filename of source file
* @param array|bool $filedata Array with filedata or false
*
* @return filespec Object "filespec" is returned, all further operations can be done with this object
*/
protected function local_upload($source_file, $filedata = false)
{
$upload = $this->get_upload_ary($source_file, $filedata);
/** @var filespec $file */
$file = $this->factory->get('filespec')->set_upload_ary($upload)->set_upload_namespace($this->upload);
if ($file->init_error()) {
$file->error[] = '';
return $file;
}
// PHP Upload file size check
$file = $this->check_upload_size($file);
if (sizeof($file->error)) {
return $file;
}
// Not correctly uploaded
if (!$file->is_uploaded()) {
$file->error[] = $this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED');
return $file;
}
$this->upload->common_checks($file);
$this->request->overwrite('local', $upload, request_interface::FILES);
return $file;
}
/**
* Remote upload method
* Uploads file from given url
*
* @param string $upload_url URL pointing to file to upload, for example http://www.foobar.com/example.gif
* @return filespec $file Object "filespec" is returned, all further operations can be done with this object
* @access public
*/
protected function remote_upload($upload_url)
{
$upload_ary = array();
$upload_ary['local_mode'] = true;
if (!preg_match('#^(https?://).*?\\.(' . implode('|', $this->upload->allowed_extensions) . ')$#i', $upload_url, $match)) {
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'URL_INVALID'));
}
$url = parse_url($upload_url);
$host = $url['host'];
$path = $url['path'];
$port = !empty($url['port']) ? (int) $url['port'] : 80;
$upload_ary['type'] = 'application/octet-stream';
$url['path'] = explode('.', $url['path']);
$ext = array_pop($url['path']);
$url['path'] = implode('', $url['path']);
$upload_ary['name'] = utf8_basename($url['path']) . ($ext ? '.' . $ext : '');
$filename = $url['path'];
$filesize = 0;
$remote_max_filesize = $this->get_max_file_size();
$errno = 0;
$errstr = '';
if (!($fsock = @fsockopen($host, $port, $errno, $errstr))) {
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED'));
}
// Make sure $path not beginning with /
if (strpos($path, '/') === 0) {
$path = substr($path, 1);
}
fputs($fsock, 'GET /' . $path . " HTTP/1.1\r\n");
fputs($fsock, "HOST: " . $host . "\r\n");
fputs($fsock, "Connection: close\r\n\r\n");
// Set a proper timeout for the socket
socket_set_timeout($fsock, $this->upload->upload_timeout);
$get_info = false;
$data = '';
$length = false;
$timer_stop = time() + $this->upload->upload_timeout;
while ((!$length || $filesize < $length) && !@feof($fsock)) {
if ($get_info) {
if ($length) {
// Don't attempt to read past end of file if server indicated length
$block = @fread($fsock, min($length - $filesize, 1024));
} else {
$block = @fread($fsock, 1024);
}
$filesize += strlen($block);
if ($remote_max_filesize && $filesize > $remote_max_filesize) {
$max_filesize = get_formatted_filesize($remote_max_filesize, false);
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'WRONG_FILESIZE', $max_filesize['value'], $max_filesize['unit']));
}
$data .= $block;
} else {
$line = @fgets($fsock, 1024);
if ($line == "\r\n") {
$get_info = true;
} else {
if (stripos($line, 'content-type: ') !== false) {
$upload_ary['type'] = rtrim(str_replace('content-type: ', '', strtolower($line)));
} else {
if ($this->upload->max_filesize && stripos($line, 'content-length: ') !== false) {
$length = (int) str_replace('content-length: ', '', strtolower($line));
if ($remote_max_filesize && $length && $length > $remote_max_filesize) {
$max_filesize = get_formatted_filesize($remote_max_filesize, false);
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'WRONG_FILESIZE', $max_filesize['value'], $max_filesize['unit']));
}
} else {
if (stripos($line, '404 not found') !== false) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'URL_NOT_FOUND');
}
}
}
}
}
$stream_meta_data = stream_get_meta_data($fsock);
// Cancel upload if we exceed timeout
if (!empty($stream_meta_data['timed_out']) || time() >= $timer_stop) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'REMOTE_UPLOAD_TIMEOUT');
}
}
@fclose($fsock);
if (empty($data)) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'EMPTY_REMOTE_DATA');
}
$filename = tempnam(sys_get_temp_dir(), unique_id() . '-');
if (!($fp = @fopen($filename, 'wb'))) {
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'NOT_UPLOADED');
}
$upload_ary['size'] = fwrite($fp, $data);
fclose($fp);
unset($data);
$upload_ary['tmp_name'] = $filename;
/** @var filespec $file */
$file = $this->factory->get('filespec')->set_upload_ary($upload_ary)->set_upload_namespace($this->upload);
$this->upload->common_checks($file);
return $file;
}
/**
* {@inheritdoc}
*/
public function process_form($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)) {
$error[] = 'AVATAR_URL_INVALID';
return false;
}
// Get image dimensions
if (($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);
}
/**
* 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|bool $chmod Permission mask for chmodding the file after a successful move.
* The mode entered here reflects the mode defined by {@link phpbb_chmod()}
*
* @return bool True if file was moved, false if not
* @access public
*/
public function move_file($destination, $overwrite = false, $skip_image_check = false, $chmod = false)
{
if (sizeof($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 = $this->phpbb_root_path . $destination;
// Check if the destination path exist...
if (!file_exists($this->destination_path)) {
@unlink($this->filename);
return false;
}
$upload_mode = $this->php_ini->getBool('open_basedir') || $this->php_ini->getBool('safe_mode') ? '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[] = $this->language->lang($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[] = $this->language->lang($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[] = $this->language->lang($this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR', $this->destination_file);
}
}
break;
case 'local':
if (!@copy($this->filename, $this->destination_file)) {
$this->error[] = $this->language->lang($this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR', $this->destination_file);
}
break;
}
// Remove temporary filename
@unlink($this->filename);
if (sizeof($this->error)) {
return false;
}
try {
$this->filesystem->phpbb_chmod($this->destination_file, $chmod);
} catch (\phpbb\filesystem\exception\filesystem_exception $e) {
// Do nothing
}
}
// Try to get real filesize from destination folder
$this->filesize = $this->get_filesize($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;
$this->image_info = $this->imagesize->getImageSize($this->destination_file, $this->mimetype);
if ($this->image_info !== false) {
$this->width = $this->image_info['width'];
$this->height = $this->image_info['height'];
// Check image type
$types = upload::image_types();
if (!isset($types[$this->image_info['type']]) || !in_array($this->extension, $types[$this->image_info['type']])) {
if (!isset($types[$this->image_info['type']])) {
$this->error[] = $this->language->lang('IMAGE_FILETYPE_INVALID', $this->image_info['type'], $this->mimetype);
} else {
$this->error[] = $this->language->lang('IMAGE_FILETYPE_MISMATCH', $types[$this->image_info['type']][0], $this->extension);
}
}
// Make sure the dimensions match a valid image
if (empty($this->width) || empty($this->height)) {
$this->error[] = $this->language->lang('ATTACHED_IMAGE_NOT_IMAGE');
}
} else {
$this->error[] = $this->language->lang('UNABLE_GET_IMAGE_SIZE');
}
}
$this->file_moved = true;
$this->additional_checks();
unset($this->upload);
return true;
}
