+/**

+* Upload files or let the user download them as appropriate

+*/

+function process_transfer($module_url, $update_list, $new_location, $download_filename)

+{

+ // todo: add $s_hidden_fields as a parameter to this function

+ $s_hidden_fields = '';

+

+ if (request_var('download', false))

+ {

+ $use_method = request_var('use_method', '');

+ $methods = array('.tar');

+

+ $available_methods = array('.tar.gz' => 'zlib', '.tar.bz2' => 'bz2', '.zip' => 'zlib');

+ foreach ($available_methods as $type => $module)

+ {

+ if (!@extension_loaded($module))

+ {

+ continue;

+ }

+

+ $methods[] = $type;

+ }

+

+ // Let the user decide in which format he wants to have the pack

+ if (!$use_method)

+ {

+ $radio_buttons = '';

+ foreach ($methods as $method)

+ {

+ $radio_buttons .= '<label><input type="radio"' . ((!$radio_buttons) ? ' id="use_method"' : '') . ' class="radio" value="' . $method . '" name="use_method" /> ' . $method . '</label>';

+ }

+

+ phpbb::$template->assign_vars(array(

+ 'S_DOWNLOAD_FILES' => true,

+ 'U_ACTION' => append_sid($module_url),

+ 'RADIO_BUTTONS' => $radio_buttons,

+ 'S_HIDDEN_FIELDS' => $s_hidden_fields)

+ );

+

+ // To ease the update process create a file location map

+ $script_path = (phpbb::$config['force_server_vars']) ? ((phpbb::$config['script_path'] == '/') ? '/' : phpbb::$config['script_path'] . '/') : phpbb::$user->page['root_script_path'];

+

+ foreach ($update_list as $status => $files)

+ {

+ if ($status == 'up_to_date' || $status == 'no_update' || $status == 'status')

+ {

+ continue;

+ }

+

+ foreach ($files as $file_struct)

+ {

+ phpbb::$template->assign_block_vars('location', array(

+ 'SOURCE' => htmlspecialchars($file_struct['filename']),

+ 'DESTINATION' => $script_path . htmlspecialchars($file_struct['filename']),

+ ));

+ }

+ }

+ return 'SELECT_DOWNLOAD_FORMAT';

+ }

+

+ if (!in_array($use_method, $methods))

+ {

+ $use_method = '.tar';

+ }

+

+ $update_mode = 'download';

+ }

+ else

+ {

+ // Choose FTP, if not available use fsock...

+ $method = basename(request_var('method', ''));

+ $submit = phpbb_request::is_set_post('update');

+ $test_ftp_connection = request_var('test_connection', '');

+

+ if (!$method || !class_exists($method))

+ {

+ $method = 'ftp';

+ $methods = transfer::methods();

+

+ if (!in_array('ftp', $methods))

+ {

+ $method = $methods[0];

+ }

+ }

+

+ $test_connection = false;

+ if ($test_ftp_connection || $submit)

+ {

+ $transfer = new $method(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));

+ $test_connection = $transfer->open_session();

+

+ // Make sure that the directory is correct by checking for the existence of common.php

+ if ($test_connection === true)

+ {

+ // Check for common.php file

+ if (!$transfer->file_exists(PHPBB_ROOT_PATH, 'common.' . PHP_EXT))

+ {

+ $test_connection = 'ERR_WRONG_PATH_TO_PHPBB';

+ }

+ }

+

+ $transfer->close_session();

+

+ // Make sure the login details are correct before continuing

+ if ($submit && $test_connection !== true)

+ {

+ $submit = false;

+ $test_ftp_connection = true;

+ }

+ }

+

+ $s_hidden_fields .= build_hidden_fields(array('method' => $method));

+

+ if (!$submit)

+ {

+ if (!class_exists($method))

+ {

+ trigger_error('Method does not exist.', E_USER_ERROR);

+ }

+

+ $requested_data = call_user_func(array($method, 'data'));

+ foreach ($requested_data as $data => $default)

+ {

+ phpbb::$template->assign_block_vars('data', array(

+ 'DATA' => $data,

+ 'NAME' => phpbb::$user->lang[strtoupper($method . '_' . $data)],

+ 'EXPLAIN' => phpbb::$user->lang[strtoupper($method . '_' . $data) . '_EXPLAIN'],

+ 'DEFAULT' => (request_var($data, false)) ? request_var($data, '') : $default

+ ));

+ }

+

+ phpbb::$template->assign_vars(array(

+ 'S_CONNECTION_SUCCESS' => ($test_ftp_connection && $test_connection === true) ? true : false,

+ 'S_CONNECTION_FAILED' => ($test_ftp_connection && $test_connection !== true) ? true : false,

+ 'ERROR_MSG' => ($test_ftp_connection && $test_connection !== true) ? phpbb::$user->lang[$test_connection] : '',

+

+ 'S_FTP_UPLOAD' => true,

+ 'UPLOAD_METHOD' => $method,

+ 'U_ACTION' => $module_url,

+ 'U_DOWNLOAD_METHOD' => $module_url . '&amp;download=1',

+ 'S_HIDDEN_FIELDS' => $s_hidden_fields,

+ ));

+

+ return 'SELECT_FTP_SETTINGS';

+ }

+

+ $update_mode = 'upload';

+ }

+

+ // Now init the connection

+ if ($update_mode == 'download')

+ {

+ // Now update the installation or download the archive...

+ $archive_filename = $download_filename . '_' . time() . '_' . unique_id();

+

+ if ($use_method == '.zip')

+ {

+ $compress = new compress_zip('w', PHPBB_ROOT_PATH . 'store/' . $archive_filename . $use_method);

+ }

+ else

+ {

+ $compress = new compress_tar('w', PHPBB_ROOT_PATH . 'store/' . $archive_filename . $use_method, $use_method);

+ }

+ }

+ else

+ {

+ $transfer = new $method(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));

+ $transfer->open_session();

+ }

+

+ // Ok, go through the update list and do the operations based on their status

+ foreach ($update_list as $status => $files)

+ {

+ if (!is_array($files))

+ {

+ continue;

+ }

+

+ foreach ($files as $file_struct)

+ {

+ $original_filename = ($file_struct['custom']) ? $file_struct['original'] : $file_struct['filename'];

+

+ switch ($status)

+ {

+ case 'new':

+ case 'new_conflict':

+ case 'not_modified':

+

+ if ($update_mode == 'download')

+ {

+ $compress->add_custom_file($new_location . $original_filename, $file_struct['filename']);

+ }

+ else

+ {

+ if ($status != 'new')

+ {

+ $transfer->rename($file_struct['filename'], $file_struct['filename'] . '.bak');

+ }

+

+ // New directory too?

+ $dirname = dirname($file_struct['filename']);

+

+ if ($dirname && !file_exists(PHPBB_ROOT_PATH . $dirname))

+ {

+ $transfer->make_dir($dirname);

+ }

+

+ $transfer->copy_file($new_location . $original_filename, $file_struct['filename']);

+ }

+ break;

+

+ case 'modified':

+

+ $contents = base64_decode($cache->get($file_list[$file_struct['filename']]));

+

+ if ($update_mode == 'download')

+ {

+ $compress->add_data($contents, $file_struct['filename']);

+ }

+ else

+ {

+ // @todo add option to specify if a backup file should be created?

+ $transfer->rename($file_struct['filename'], $file_struct['filename'] . '.bak');

+ $transfer->write_file($file_struct['filename'], $contents);

+ }

+ break;

+

+ case 'conflict':

+

+ $contents = base64_decode($cache->get($file_list[$file_struct['filename']]));

+

+ if ($update_mode == 'download')

+ {

+ $compress->add_data($contents, $file_struct['filename']);

+ }

+ else

+ {

+ $transfer->rename($file_struct['filename'], $file_struct['filename'] . '.bak');

+ $transfer->write_file($file_struct['filename'], $contents);

+ }

+ break;

+ }

+ }

+ }

+

+ if ($update_mode == 'download')

+ {

+ $compress->close();

+

+ $compress->download($archive_filename, $download_filename);

+ @unlink(PHPBB_ROOT_PATH . 'store/' . $archive_filename . $use_method);

+

+ exit;

+ }

+ else

+ {

+ $transfer->close_session();

+

+ phpbb::$template->assign_var('S_UPLOAD_SUCCESS', true);

+ return;

+ }

+}

+

+require_once PHPBB_ROOT_PATH . 'includes/libraries/sftp/sftp.' . PHP_EXT;

+ $result = $this->_ls('');

+ if (!empty($dir) && strpos($item, $dir) === 0)