diff --git a/phpBB/adm/style/install_update.html b/phpBB/adm/style/install_update.html
new file mode 100644
index 0000000000..54e86ec788
--- /dev/null
+++ b/phpBB/adm/style/install_update.html
@@ -0,0 +1,278 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
{L_NUM_CONFLICTS}: {NUM_CONFLICTS}
+
+ {DIFF_CONTENT}
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/phpBB/install/install_update.php b/phpBB/install/install_update.php
new file mode 100644
index 0000000000..75ff84fcbb
--- /dev/null
+++ b/phpBB/install/install_update.php
@@ -0,0 +1,1009 @@
+ 'update',
+ 'module_title' => 'UPDATE',
+ 'module_filename' => substr(basename(__FILE__), 0, -strlen($phpEx)-1),
+ 'module_order' => 20,
+ 'module_subs' => '',
+ 'module_stages' => array('INTRO', 'VERSION_CHECK', 'FILE_CHECK', 'UPDATE_FILES', 'UPDATE_DB'),
+ 'module_reqs' => ''
+ );
+}
+
+/**
+* Update Installation
+* @package install
+*/
+class install_update extends module
+{
+ var $p_master;
+ var $update_info;
+
+ var $old_location;
+ var $new_location;
+ var $latest_version;
+ var $current_version;
+
+ function install_update(&$p_master)
+ {
+ $this->p_master = &$p_master;
+ }
+
+ function main($mode, $sub)
+ {
+ global $template, $phpEx, $phpbb_root_path, $user, $db, $config, $cache, $auth;
+
+ $this->tpl_name = 'install_update';
+ $this->old_location = $phpbb_root_path . 'install/update/old/';
+ $this->new_location = $phpbb_root_path . 'install/update/new/';
+
+ // Init DB
+ require($phpbb_root_path . 'config.' . $phpEx);
+ require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
+ require($phpbb_root_path . 'includes/constants.' . $phpEx);
+
+ $db = new $sql_db();
+
+ // Connect to DB
+ $db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false);
+
+ // We do not need this any longer, unset for safety purposes
+ unset($dbpasswd);
+
+ $config = $cache->obtain_config();
+
+ // First of all, init the user session
+ $user->session_begin();
+ $auth->acl($user->data);
+ $user->setup('install');
+
+ include_once($phpbb_root_path . 'includes/diff/diff.' . $phpEx);
+
+ // Check for user session
+ if (!$user->data['is_registered'])
+ {
+ login_box('', $user->lang['LOGIN_UPDATE_EXPLAIN']);
+ }
+
+ if (!$auth->acl_get('a_'))
+ {
+ trigger_error($user->lang['NO_AUTH_UPDATE']);
+ }
+
+ // If we are within the intro page we need to make sure we get up-to-date version info
+ if ($sub == 'intro')
+ {
+ $cache->destroy('_version_info');
+ }
+
+ // Set custom template again. ;)
+ $template->set_custom_template('../adm/style', 'admin');
+
+ // Get current and latest version
+ $this->current_version = $config['version'];
+
+ if (($latest_version = $cache->get('_version_info')) === false)
+ {
+ $this->latest_version = $this->get_file('version_info');
+ $cache->put('_version_info', $this->latest_version);
+ }
+ else
+ {
+ $this->latest_version = $latest_version;
+ }
+
+ $up_to_date = (version_compare(strtolower($this->current_version), strtolower($this->latest_version), '<')) ? false : true;
+
+ // Check for a valid update directory, else point the user to the phpbb.com website
+ if (!file_exists($phpbb_root_path . 'install/update') || !file_exists($phpbb_root_path . 'install/update/index.' . $phpEx) || !file_exists($this->old_location) || !file_exists($this->new_location))
+ {
+ $template->assign_vars(array(
+ 'S_ERROR' => true,
+ 'ERROR_MSG' => ($up_to_date) ? $user->lang['NO_UPDATE_FILES_UP_TO_DATE'] : sprintf($user->lang['NO_UPDATE_FILES_OUTDATED'], $config['version'], $this->current_version, $this->latest_version))
+ );
+
+ return;
+ }
+
+ $this->update_info = $this->get_file('update_info');
+
+ // Make sure the update directory holds the correct information
+ // Since admins are able to run the update/checks more than once we only check if the current version is lower or equal than the version to which we update to.
+ if (version_compare(strtolower($this->current_version), strtolower($this->update_info['version']['to']), '>'))
+ {
+ $template->assign_vars(array(
+ 'S_ERROR' => true,
+ 'ERROR_MSG' => sprintf($user->lang['INCOMPATIBLE_UPDATE_FILES'], $config['version'], $this->update_info['version']['from'], $this->update_info['version']['to']))
+ );
+
+ return;
+ }
+
+ // Check if the update files stored are for the latest version...
+ if ($this->latest_version != $this->update_info['version']['to'])
+ {
+ $template->assign_vars(array(
+ 'S_ERROR' => true,
+ 'ERROR_MSG' => sprintf($user->lang['OLD_UPDATE_FILES'], $this->update_info['version']['from'], $this->update_info['version']['to'], $this->latest_version))
+ );
+
+ return;
+ }
+
+ // Make sure we stay at the file check if checking the files again
+ if (!empty($_POST['check_again']))
+ {
+ $sub = $this->p_master->sub = 'file_check';
+ }
+
+ switch ($sub)
+ {
+ case 'intro':
+ $this->page_title = 'UPDATE_INSTALLATION';
+
+ $template->assign_vars(array(
+ 'S_INTRO' => true,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=version_check"),
+ ));
+
+ // Make sure the update list is destroyed.
+ $cache->destroy('_update_list');
+ break;
+
+ case 'version_check':
+ $this->page_title = 'STAGE_VERSION_CHECK';
+
+ $template->assign_vars(array(
+ 'S_UP_TO_DATE' => $up_to_date,
+ 'S_VERSION_CHECK' => true,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=file_check"),
+
+ 'LATEST_VERSION' => $this->latest_version,
+ 'CURRENT_VERSION' => $config['version'])
+ );
+
+ break;
+
+ case 'file_check':
+
+ $this->page_title = 'STAGE_FILE_CHECK';
+
+ // Now make sure our update list is correct if the admin refreshes
+ $action = request_var('action', '');
+
+ // We are directly within an update. To make sure our update list is correct we check its status.
+ $update_list = (!empty($_POST['check_again'])) ? false : $cache->get('_update_list');
+ $modified = ($update_list !== false) ? @filemtime($cache->cache_dir . 'data_update_list.' . $phpEx) : 0;
+
+ // Make sure the list is up-to-date
+ if ($update_list !== false)
+ {
+ $get_new_list = false;
+ foreach ($this->update_info['files'] as $file)
+ {
+ if (file_exists($phpbb_root_path . $file) && filemtime($phpbb_root_path . $file) > $modified)
+ {
+ $get_new_list = true;
+ break;
+ }
+ }
+ }
+ else
+ {
+ $get_new_list = true;
+ }
+
+ if ($get_new_list)
+ {
+ $update_list = $this->get_update_structure();
+ $cache->put('_update_list', $update_list);
+ }
+
+ if ($action == 'diff')
+ {
+ $this->show_diff($update_list);
+ return;
+ }
+
+ if (sizeof($update_list['no_update']))
+ {
+ $template->assign_vars(array(
+ 'S_NO_UPDATE_FILES' => true,
+ 'NO_UPDATE_FILES' => implode(', ', array_map('htmlspecialchars', $update_list['no_update'])))
+ );
+ }
+
+ // Now assign the list to the template
+ foreach ($update_list as $status => $filelist)
+ {
+ if ($status == 'no_update' || !sizeof($filelist))
+ {
+ continue;
+ }
+
+ $template->assign_block_vars('files', array(
+ 'S_STATUS' => true,
+ 'STATUS' => $status,
+ 'L_STATUS' => $user->lang['STATUS_' . strtoupper($status)],
+ 'TITLE' => $user->lang['FILES_' . strtoupper($status)],
+ 'EXPLAIN' => $user->lang['FILES_' . strtoupper($status) . '_EXPLAIN'],
+ )
+ );
+
+ foreach ($filelist as $file_struct)
+ {
+ $template->assign_block_vars('files', array(
+ 'STATUS' => $status,
+
+ 'FILENAME' => htmlspecialchars($file_struct['filename']),
+ 'NUM_CONFLICTS' => (isset($file_struct['conflicts'])) ? $file_struct['conflicts'] : 0,
+
+ 'S_CUSTOM' => ($file_struct['custom']) ? true : false,
+ 'CUSTOM_ORIGINAL' => ($file_struct['custom']) ? $file_struct['original'] : '',
+
+ 'U_SHOW_DIFF' => append_sid($this->p_master->module_url, "mode=$mode&sub=file_check&action=diff&status=$status&file=" . urlencode($file_struct['filename'])),
+ 'L_SHOW_DIFF' => ($status != 'up_to_date') ? $user->lang['SHOW_DIFF_' . strtoupper($status)] : '',
+ ));
+ }
+ }
+
+ $all_up_to_date = true;
+ foreach ($update_list as $status => $filelist)
+ {
+ if ($status != 'up_to_date' && $status != 'custom' && sizeof($filelist))
+ {
+ $all_up_to_date = false;
+ break;
+ }
+ }
+
+ $template->assign_vars(array(
+ 'S_FILE_CHECK' => true,
+ 'S_ALL_UP_TO_DATE' => $all_up_to_date,
+ 'S_VERSION_UP_TO_DATE' => $up_to_date,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=file_check"),
+ 'U_UPDATE_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=update_files"),
+ 'U_DB_UPDATE_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=update_db"),
+ ));
+
+ break;
+
+ case 'update_files':
+
+ $this->page_title = 'STAGE_UPDATE_FILES';
+
+ $s_hidden_fields = '';
+ foreach (request_var('conflict', array('' => 0)) as $filename => $merge_option)
+ {
+ $s_hidden_fields .= '
';
+ }
+
+ $no_update = request_var('no_update', array(0 => ''));
+
+ foreach ($no_update as $index => $filename)
+ {
+ $s_hidden_fields .= '
';
+ }
+
+ if (!empty($_POST['download']))
+ {
+ include_once($phpbb_root_path . 'includes/functions_compress.' . $phpEx);
+
+ $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)
+ {
+ $this->page_title = 'SELECT_DOWNLOAD_FORMAT';
+
+ $radio_buttons = '';
+ foreach ($methods as $method)
+ {
+ $radio_buttons .= '
' . $method . ' ';
+ }
+
+ $template->assign_vars(array(
+ 'S_DOWNLOAD_FILES' => true,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=update_files"),
+ 'RADIO_BUTTONS' => $radio_buttons,
+ 'S_HIDDEN_FIELDS' => $s_hidden_fields)
+ );
+
+ // To ease the update process create a file location map
+ $update_list = $cache->get('_update_list');
+
+ foreach ($update_list as $status => $files)
+ {
+ if ($status == 'up_to_date' || $status == 'no_update')
+ {
+ continue;
+ }
+
+ foreach ($files as $file_struct)
+ {
+ if (in_array($file_struct['filename'], $no_update))
+ {
+ continue;
+ }
+
+ $template->assign_block_vars('location', array(
+ 'SOURCE' => htmlspecialchars($file_struct['filename']),
+ 'DESTINATION' => $user->page['root_script_path'] . htmlspecialchars($file_struct['filename']),
+ ));
+ }
+ }
+
+ return;
+ }
+
+ if (!in_array($use_method, $methods))
+ {
+ $use_method = '.tar';
+ }
+
+ $update_mode = 'download';
+ }
+ else
+ {
+ include_once($phpbb_root_path . 'includes/functions_transfer.' . $phpEx);
+
+ // Choose FTP, if not available use fsock...
+ $method = request_var('method', '');
+ $submit = (isset($_POST['submit'])) ? true : false;
+ $test_ftp_connection = request_var('test_connection', '');
+
+ if (!$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.' . $phpEx))
+ {
+ $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;
+ $test_ftp_connection = true;
+ }
+ }
+
+ if (!$submit)
+ {
+ $this->page_title = 'SELECT_FTP_SETTINGS';
+
+ $requested_data = call_user_func(array($method, 'data'));
+ foreach ($requested_data as $data => $default)
+ {
+ $template->assign_block_vars('data', array(
+ 'DATA' => $data,
+ 'NAME' => $user->lang[strtoupper($method . '_' . $data)],
+ 'EXPLAIN' => $user->lang[strtoupper($method . '_' . $data) . '_EXPLAIN'],
+ 'DEFAULT' => (!empty($_REQUEST[$data])) ? request_var($data, '') : $default
+ ));
+ }
+
+ $s_hidden_fields .= build_hidden_fields(array('method' => $method));
+
+ $template->assign_vars(array(
+ 'S_CONNECTION_SUCCESS' => ($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) ? $user->lang[$test_connection] : '',
+
+ 'S_FTP_UPLOAD' => true,
+ 'UPLOAD_METHOD' => $method,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=update_files"),
+ 'S_HIDDEN_FIELDS' => $s_hidden_fields)
+ );
+
+ return;
+ }
+
+ $update_mode = 'upload';
+ }
+
+ // Now update the installation or download the archive...
+ $archive_filename = 'update_' . $this->update_info['version']['from'] . '_to_' . $this->update_info['version']['to'];
+ $update_list = $cache->get('_update_list');
+ $conflicts = request_var('conflict', array('' => 0));
+
+ if ($update_list === false)
+ {
+ trigger_error($user->lang['NO_UPDATE_INFO'], E_USER_ERROR);
+ }
+
+ // Check if the conflicts data is valid
+ if (sizeof($conflicts))
+ {
+ $conflict_filenames = array();
+ foreach ($update_list['conflict'] as $files)
+ {
+ $conflict_filenames[] = $files['filename'];
+ }
+
+ $new_conflicts = array();
+ foreach ($conflicts as $filename => $diff_method)
+ {
+ if (in_array($filename, $conflict_filenames))
+ {
+ $new_conflicts[$filename] = $diff_method;
+ }
+ }
+
+ $conflicts = $new_conflicts;
+ }
+
+ if (sizeof($update_list['conflict']) != sizeof($conflicts))
+ {
+ trigger_error($user->lang['MERGE_SELECT_ERROR'], E_USER_ERROR);
+ }
+
+ // Now init the connection
+ if ($update_mode == 'download')
+ {
+ if ($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 => $files)
+ {
+ foreach ($files as $file_struct)
+ {
+ // Skip this file if the user selected to not update it
+ if (in_array($file_struct['filename'], $no_update))
+ {
+ continue;
+ }
+
+ $original_filename = ($file_struct['custom']) ? $file_struct['original'] : $file_struct['filename'];
+
+ switch ($status)
+ {
+ case 'new':
+ case 'new_conflict':
+ case 'not_modified':
+ if ($update_mode == 'download')
+ {
+ $compress->add_custom_file($this->new_location . $original_filename, $file_struct['filename']);
+ }
+ else
+ {
+ if ($status != 'new')
+ {
+ $transfer->rename($file_struct['filename'], $file_struct['filename'] . '.bak');
+ }
+ $transfer->copy_file($this->new_location . $original_filename, $file_struct['filename']);
+ }
+ break;
+
+ case 'modified':
+ $diff = &new diff3(file($this->old_location . $original_filename), file($phpbb_root_path . $file_struct['filename']), file($this->new_location . $original_filename));
+ $contents = implode("\n", $diff->merged_output());
+
+ if ($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;
+
+ case 'conflict':
+ $diff = &new diff3(file($this->old_location . $original_filename), file($phpbb_root_path . $file_struct['filename']), file($this->new_location . $original_filename));
+
+ if ($conflicts[$file_struct['filename']] == 1)
+ {
+ $contents = implode("\n", $diff->merged_new_output());
+ }
+ else if ($conflicts[$file_struct['filename']] == 2)
+ {
+ $contents = implode("\n", $diff->merged_orig_output());
+ }
+ else
+ {
+ break;
+ }
+
+ if ($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);
+ @unlink($phpbb_root_path . 'store/' . $archive_filename . $use_method);
+
+ exit;
+ }
+ else
+ {
+ $transfer->close_session();
+
+ $template->assign_vars(array(
+ 'S_UPLOAD_SUCCESS' => true,
+ 'U_ACTION' => append_sid($this->p_master->module_url, "mode=$mode&sub=file_check"))
+ );
+ return;
+ }
+
+ break;
+
+ case 'update_db':
+
+ // Make sure the database update is valid for the latest version
+ $valid = false;
+ $updates_to_version = '';
+
+ if (file_exists($phpbb_root_path . 'install/database_update.' . $phpEx))
+ {
+ include_once($phpbb_root_path . 'install/database_update.' . $phpEx);
+
+ if ($updates_to_version === $this->latest_version)
+ {
+ $valid = true;
+ }
+ }
+
+ // Should not happen at all
+ if (!$valid)
+ {
+ trigger_error($user->lang['DATABASE_UPDATE_INFO_OLD'], E_USER_ERROR);
+ }
+
+ // Because we are done with the file update we purge the cache directory
+ $cache->purge();
+
+ // Redirect the user to the database update script with some explanations...
+ $template->assign_vars(array(
+ 'S_DB_UPDATE' => true,
+ 'U_DB_UPDATE' => $phpbb_root_path . 'install/database_update.' . $phpEx)
+ );
+
+ break;
+ }
+ }
+
+ /**
+ * Show file diff
+ */
+ function show_diff(&$update_list)
+ {
+ global $phpbb_root_path, $template, $user;
+
+ $this->tpl_name = 'install_update_diff';
+ $this->page_title = 'VIEWING_FILE_DIFF';
+
+ $status = request_var('status', '');
+ $file = request_var('file', '');
+ $diff_mode = request_var('diff_mode', 'side_by_side');
+
+ // First of all make sure the file is within our file update list with the correct status
+ $found_entry = array();
+ foreach ($update_list[$status] as $index => $file_struct)
+ {
+ if ($file_struct['filename'] === $file)
+ {
+ $found_entry = $update_list[$status][$index];
+ }
+ }
+
+ if (empty($found_entry))
+ {
+ trigger_error('File not allowed to be diffed', E_USER_ERROR);
+ }
+
+ // If the status is 'up_to_date' then we do not need to show a diff
+ if ($status == 'up_to_date')
+ {
+ trigger_error($user->lang['FILE_ALREADY_UP_TO_DATE'], E_USER_ERROR);
+ }
+
+ $original_file = ($found_entry['custom']) ? $found_entry['original'] : $file;
+
+ // Get the correct diff
+ switch ($status)
+ {
+ case 'conflict':
+ $diff = &new diff3(file($this->old_location . $original_file), file($phpbb_root_path . $file), file($this->new_location . $original_file));
+
+ $template->assign_vars(array(
+ 'S_DIFF_CONFLICT_FILE' => true,
+ 'NUM_CONFLICTS' => $diff->merged_output(false, false, false, true))
+ );
+ break;
+
+ case 'modified':
+ $diff = &new diff3(file($this->old_location . $original_file), file($phpbb_root_path . $original_file), file($this->new_location . $file));
+ break;
+
+ case 'not_modified':
+ case 'new_conflict':
+ $diff = &new diff(file($phpbb_root_path . $file), file($this->new_location . $original_file));
+ break;
+
+ case 'new':
+ $diff = &new diff(array(), file($this->new_location . $original_file));
+ $template->assign_var('S_DIFF_NEW_FILE', true);
+ $diff_mode = 'inline';
+ $this->page_title = 'VIEWING_FILE_CONTENTS';
+ break;
+ }
+
+ $diff_mode_options = '';
+ foreach (array('side_by_side', 'inline', 'unified', 'raw') as $option)
+ {
+ $diff_mode_options .= '
';
+ }
+
+ // Now the correct renderer
+ $render_class = 'diff_renderer_' . $diff_mode;
+
+ if (!class_exists($render_class))
+ {
+ trigger_error('Chosen diff mode is not supported', E_USER_ERROR);
+ }
+
+ $renderer = &new $render_class();
+
+ $template->assign_vars(array(
+ 'DIFF_CONTENT' => $renderer->get_diff_content($diff),
+ 'S_DIFF_MODE_OPTIONS' => $diff_mode_options,
+ 'S_SHOW_DIFF' => true,
+ ));
+ }
+
+ /**
+ * Collect all file status infos we need for the update by diffing all files
+ */
+ function get_update_structure()
+ {
+ global $phpbb_root_path, $phpEx, $user;
+
+ $update_list = array(
+ 'up_to_date' => array(),
+ 'new' => array(),
+ 'not_modified' => array(),
+ 'modified' => array(),
+ 'new_conflict' => array(),
+ 'conflict' => array(),
+ 'no_update' => array(),
+ );
+
+ // Get a list of those files which are completely new by checking with file_exists...
+ foreach ($this->update_info['files'] as $index => $file)
+ {
+ if (!file_exists($phpbb_root_path . $file))
+ {
+ // Make sure the update files are consistent by checking if the file is in new_files...
+ if (!file_exists($this->new_location . $file))
+ {
+ trigger_error($user->lang['INCOMPLETE_UPDATE_FILES'], E_USER_ERROR);
+ }
+
+ // If the file exists within the old directory the file got removed and we will write it back
+ // not a biggie, but we might want to state this circumstance seperatly later.
+ // if (file_exists($this->old_location . $file))
+ // {
+ // $update_list['removed'][] = $file;
+ // }
+
+ // Only include a new file as new if the underlying path exist
+ // The path normally do not exist if the original style or language has been removed
+ if (file_exists($phpbb_root_path . dirname($file)))
+ {
+ $this->get_custom_info($update_list['new'], $file);
+ $update_list['new'][] = array('filename' => $file, 'custom' => false);
+ }
+ else
+ {
+ $update_list['no_update'][] = $file;
+ }
+ unset($this->update_info['files'][$index]);
+ }
+ }
+
+ if (!sizeof($this->update_info['files']))
+ {
+ return $update_list;
+ }
+
+ // Now diff the remaining files to get informations about their status (not modified/modified/up-to-date)
+
+ // not modified?
+ foreach ($this->update_info['files'] as $index => $file)
+ {
+ $this->make_update_diff($update_list, $file, $file);
+ }
+
+ // Now to the styles...
+ if (empty($this->update_info['custom']))
+ {
+ return $update_list;
+ }
+
+ foreach ($this->update_info['custom'] as $original_file => $file_ary)
+ {
+ foreach ($file_ary as $index => $file)
+ {
+ $this->make_update_diff($update_list, $original_file, $file, true);
+ }
+ }
+
+ return $update_list;
+ }
+
+ /**
+ * Compare files for storage in update_list
+ */
+ function make_update_diff(&$update_list, $original_file, $file, $custom = false)
+ {
+ global $phpbb_root_path, $user;
+
+ $update_ary = array('filename' => $file, 'custom' => $custom);
+
+ if ($custom)
+ {
+ $update_ary['original'] = $original_file;
+ }
+
+ // On a successfull update the new location file exists but the old one does not exist.
+ // Check for this circumstance, the new file need to be up-to-date with the current file then...
+ if (!file_exists($this->old_location . $original_file) && file_exists($this->new_location . $original_file) && file_exists($phpbb_root_path . $file))
+ {
+ // We need to diff the contents here to make sure the file is really the one we expect
+ $diff = &new diff(file($this->new_location . $original_file), file($phpbb_root_path . $file));
+
+ // if there are no differences we have an up-to-date file...
+ if ($diff->is_empty())
+ {
+ $update_list['up_to_date'][] = $update_ary;
+ return;
+ }
+
+ // If no other status matches we have another file in the way...
+ $update_list['new_conflict'][] = $update_ary;
+ return;
+ }
+
+ // Check for existance, else abort immediatly
+ if (!file_exists($this->old_location . $original_file) || !file_exists($this->new_location . $original_file))
+ {
+ trigger_error($user->lang['INCOMPLETE_UPDATE_FILES'], E_USER_ERROR);
+ }
+
+ $diff = &new diff(file($this->old_location . $original_file), file($phpbb_root_path . $file));
+
+ // If the file is not modified we are finished here...
+ if ($diff->is_empty())
+ {
+ $update_list['not_modified'][] = $update_ary;
+ return;
+ }
+
+ // If the file had been modified then we need to check if it is already up to date
+ $diff = &new diff(file($this->new_location . $original_file), file($phpbb_root_path . $file));
+
+ // if there are no differences we have an up-to-date file...
+ if ($diff->is_empty())
+ {
+ $update_list['up_to_date'][] = $update_ary;
+ return;
+ }
+
+ // if the file is modified we try to make sure a merge succeed
+ $diff = &new diff3(file($this->old_location . $original_file), file($phpbb_root_path . $file), file($this->new_location . $original_file));
+
+ if ($diff->merged_output(false, false, false, true))
+ {
+ $update_ary['conflicts'] = $diff->_conflicting_blocks;
+ $update_list['conflict'][] = $update_ary;
+ return;
+ }
+
+ // now compare the merged output with the original file to see if the modified file is up to date
+ $diff = &new diff(file($phpbb_root_path . $file), $diff->merged_output());
+
+ if ($diff->is_empty())
+ {
+ $update_list['up_to_date'][] = $update_ary;
+ return;
+ }
+
+ // If no other status matches we have a modified file...
+ $update_list['modified'][] = $update_ary;
+ }
+
+ /**
+ * Update update_list with custom new files
+ */
+ function get_custom_info(&$update_list, $file)
+ {
+ if (empty($this->update_info['custom']))
+ {
+ return;
+ }
+
+ if (in_array($file, array_keys($this->update_info['custom'])))
+ {
+ foreach ($this->update_info['custom'][$file] as $_file)
+ {
+ $update_list[] = array('filename' => $_file, 'custom' => true, 'original' => $file);
+ }
+ }
+ }
+
+ /**
+ * Get remote file
+ */
+ function get_file($mode)
+ {
+ global $user, $db;
+
+ $errstr = '';
+ $errno = 0;
+
+ switch ($mode)
+ {
+ case 'version_info':
+ $info = get_remote_file('www.phpbb.com', '/updatecheck', '30x.txt', $errstr, $errno);
+
+ if ($info !== false)
+ {
+ $info = explode("\n", $info);
+ $info = trim($info[0]);
+ }
+ break;
+
+ case 'update_info':
+ global $phpbb_root_path, $phpEx;
+
+ $update_info = array();
+ include($phpbb_root_path . 'install/update/index.php');
+
+ $info = (empty($update_info) || !is_array($update_info)) ? false : $update_info;
+ $errstr = ($info === false) ? $user->lang['WRONG_INFO_FILE_FORMAT'] : '';
+
+ if ($info !== false)
+ {
+ // Adjust the update info file to hold some specific style-related informations
+ $info['custom'] = array();
+
+ // Get custom installed styles...
+ $sql = 'SELECT template_name, template_path
+ FROM ' . STYLES_TEMPLATE_TABLE . "
+ WHERE template_name NOT IN ('subSilver', 'BLABLA')";
+ $result = $db->sql_query($sql);
+
+ $templates = array();
+ while ($row = $db->sql_fetchrow($result))
+ {
+ $templates[] = $row;
+ }
+ $db->sql_freeresult($result);
+
+ if (sizeof($templates))
+ {
+ foreach ($info['files'] as $filename)
+ {
+ // Template update?
+ if (strpos($filename, 'styles/subSilver/template/') === 0)
+ {
+ foreach ($templates as $row)
+ {
+ $info['custom'][$filename][] = str_replace('/subSilver/', '/' . $row['template_path'] . '/', $filename);
+ }
+ }
+ }
+ }
+ }
+ break;
+
+ default:
+ trigger_error('Mode for getting remote file not specified', E_USER_ERROR);
+ break;
+ }
+
+ if ($info === false)
+ {
+ trigger_error($errstr, E_USER_ERROR);
+ }
+
+ return $info;
+ }
+}
+
+?>
\ No newline at end of file