$v) { if (in_array($k, $octdec)) $current[$k] = octdec(trim($v)); else $current[$k] = trim($v); } $checksum = 256; for ($i = 0; $i < 148; $i++) $checksum += ord($header{$i}); for ($i = 156; $i < 512; $i++) $checksum += ord($header{$i}); if ($current['checksum'] != $checksum) break; $size = ceil($current['size'] / 512); $current['data'] = substr($data, ++$offset << 9, $current['size']); $offset += $size; // Not a directory and doesn't exist already... if (substr($current['filename'], -1, 1) != '/' && !file_exists($destination . '/' . $current['filename'])) $write_this = true; // File exists... check if it is newer. elseif (substr($current['filename'], -1, 1) != '/') $write_this = $overwrite || filemtime($destination . '/' . $current['filename']) < $current['mtime']; // Folder... create. elseif ($destination !== null && !$single_file) { // Protect from accidental parent directory writing... $current['filename'] = strtr($current['filename'], array('../' => '', '/..' => '')); if (!file_exists($destination . '/' . $current['filename'])) mktree($destination . '/' . $current['filename'], 0777); $write_this = false; } else $write_this = false; if ($write_this && $destination !== null) { if (strpos($current['filename'], '/') !== false && !$single_file) mktree($destination . '/' . dirname($current['filename']), 0777); // Is this the file we're looking for? if ($single_file && ($destination == $current['filename'] || $destination == '*/' . basename($current['filename']))) return $current['data']; // If we're looking for another file, keep going. elseif ($single_file) continue; // Looking for restricted files? elseif ($files_to_extract !== null && !in_array($current['filename'], $files_to_extract)) continue; package_put_contents($destination . '/' . $current['filename'], $current['data']); } if (substr($current['filename'], -1, 1) != '/') $return[] = array( 'filename' => $current['filename'], 'md5' => md5($current['data']), 'preview' => substr($current['data'], 0, 100), 'size' => $current['size'], 'skipped' => false ); } if ($destination !== null && !$single_file) package_flush_cache(); if ($single_file) return false; else return $return; } // Extract zip data. If destination is null, return a listing. function read_zip_data($data, $destination, $single_file = false, $overwrite = false, $files_to_extract = null) { umask(0); if ($destination !== null && !file_exists($destination) && !$single_file) mktree($destination, 0777); // Look for the end of directory signature 0x06054b50 $data_ecr = explode("\x50\x4b\x05\x06", $data); if (!isset($data_ecr[1])) return false; $return = array(); // Get all the basic zip file info since we are here $zip_info = unpack('vdisks/vrecords/vfiles/Vsize/Voffset/vcomment_length/', $data_ecr[1]); // Cut file at the central directory file header signature -- 0x02014b50, use unpack if you want any of the data, we don't $file_sections = explode("\x50\x4b\x01\x02", $data); // Cut the result on each local file header -- 0x04034b50 so we have each file in the archive as an element. $file_sections = explode("\x50\x4b\x03\x04", $file_sections[0]); array_shift($file_sections); // sections and count from the signature must match or the zip file is bad if (count($file_sections) != $zip_info['files']) return false; // go though each file in the archive foreach ($file_sections as $data) { // Get all the important file information. $file_info = unpack("vversion/vgeneral_purpose/vcompress_method/vfile_time/vfile_date/Vcrc/Vcompressed_size/Vsize/vfilename_length/vextrafield_length", $data); $file_info['filename'] = substr($data, 26, $file_info['filename_length']); $file_info['dir'] = $destination . '/' . dirname($file_info['filename']); // If bit 3 (0x08) of the general-purpose flag is set, then the CRC and file size were not available when the header was written // In this case the CRC and size are instead appended in a 12-byte structure immediately after the compressed data if ($file_info['general_purpose'] & 0x0008) { $unzipped2 = unpack("Vcrc/Vcompressed_size/Vsize", substr($$data, -12)); $file_info['crc'] = $unzipped2['crc']; $file_info['compressed_size'] = $unzipped2['compressed_size']; $file_info['size'] = $unzipped2['size']; unset($unzipped2); } // If this is a file, and it doesn't exist.... happy days! if (substr($file_info['filename'], -1) != '/' && !file_exists($destination . '/' . $file_info['filename'])) $write_this = true; // If the file exists, we may not want to overwrite it. elseif (substr($file_info['filename'], -1) != '/') $write_this = $overwrite; // This is a directory, so we're gonna want to create it. (probably...) elseif ($destination !== null && !$single_file) { // Just a little accident prevention, don't mind me. $file_info['filename'] = strtr($file_info['filename'], array('../' => '', '/..' => '')); if (!file_exists($destination . '/' . $file_info['filename'])) mktree($destination . '/' . $file_info['filename'], 0777); $write_this = false; } else $write_this = false; // Get the actual compressed data. $file_info['data'] = substr($data, 26 + $file_info['filename_length'] + $file_info['extrafield_length']); // Only inflate it if we need to ;) if (!empty($file_info['compress_method']) || ($file_info['compressed_size'] != $file_info['size'])) $file_info['data'] = gzinflate($file_info['data']); // Okay! We can write this file, looks good from here... if ($write_this && $destination !== null) { if ((strpos($file_info['filename'], '/') !== false && !$single_file) || (!$single_file && !is_dir($file_info['dir']))) mktree($file_info['dir'], 0777); // If we're looking for a specific file, and this is it... ka-bam, baby. if ($single_file && ($destination == $file_info['filename'] || $destination == '*/' . basename($file_info['filename']))) return $file_info['data']; // Oh? Another file. Fine. You don't like this file, do you? I know how it is. Yeah... just go away. No, don't apologize. I know this file's just not *good enough* for you. elseif ($single_file) continue; // Don't really want this? elseif ($files_to_extract !== null && !in_array($file_info['filename'], $files_to_extract)) continue; package_put_contents($destination . '/' . $file_info['filename'], $file_info['data']); } if (substr($file_info['filename'], -1, 1) != '/') $return[] = array( 'filename' => $file_info['filename'], 'md5' => md5($file_info['data']), 'preview' => substr($file_info['data'], 0, 100), 'size' => $file_info['size'], 'skipped' => false ); } if ($destination !== null && !$single_file) package_flush_cache(); if ($single_file) return false; else return $return; } /** * Checks the existence of a remote file since file_exists() does not do remote. * will return false if the file is "moved permanently" or similar. * @param string url * @return bool true if the remote url exists. */ function url_exists($url) { $a_url = parse_url($url); if (!isset($a_url['scheme'])) return false; // Attempt to connect... $temp = ''; $fid = fsockopen($a_url['host'], !isset($a_url['port']) ? 80 : $a_url['port'], $temp, $temp, 8); if (!$fid) return false; fputs($fid, 'HEAD ' . $a_url['path'] . ' HTTP/1.0' . "\r\n" . 'Host: ' . $a_url['host'] . "\r\n\r\n"); $head = fread($fid, 1024); fclose($fid); return preg_match('~^HTTP/.+\s+(20[01]|30[127])~i', $head) == 1; } /** * Loads and returns an array of installed packages. * - gets this information from Packages/installed.list. * - returns the array of data. * - default sort order is package_installed time * * @return array */ function loadInstalledPackages() { global $boarddir, $smcFunc; // First, check that the database is valid, installed.list is still king. $install_file = implode('', file($boarddir . '/Packages/installed.list')); if (trim($install_file) == '') { $smcFunc['db_query']('', ' UPDATE {db_prefix}log_packages SET install_state = {int:not_installed}', array( 'not_installed' => 0, ) ); // Don't have anything left, so send an empty array. return array(); } // Load the packages from the database - note this is ordered by install time to ensure latest package uninstalled first. $request = $smcFunc['db_query']('', ' SELECT id_install, package_id, filename, name, version FROM {db_prefix}log_packages WHERE install_state != {int:not_installed} ORDER BY time_installed DESC', array( 'not_installed' => 0, ) ); $installed = array(); $found = array(); while ($row = $smcFunc['db_fetch_assoc']($request)) { // Already found this? If so don't add it twice! if (in_array($row['package_id'], $found)) continue; $found[] = $row['package_id']; $installed[] = array( 'id' => $row['id_install'], 'name' => $row['name'], 'filename' => $row['filename'], 'package_id' => $row['package_id'], 'version' => $row['version'], ); } $smcFunc['db_free_result']($request); return $installed; } /** * Loads a package's information and returns a representative array. * - expects the file to be a package in Packages/. * - returns a error string if the package-info is invalid. * - otherwise returns a basic array of id, version, filename, and similar information. * - an xmlArray is available in 'xml'. * * @param string $filename * @return array */ function getPackageInfo($gzfilename) { global $boarddir, $sourcedir, $smcFunc; // Extract package-info.xml from downloaded file. (*/ is used because it could be in any directory.) if (strpos($gzfilename, 'http://') !== false) $packageInfo = read_tgz_data(fetch_web_data($gzfilename, '', true), '*/package-info.xml', true); else { if (!file_exists($boarddir . '/Packages/' . $gzfilename)) return 'package_get_error_not_found'; if (is_file($boarddir . '/Packages/' . $gzfilename)) $packageInfo = read_tgz_file($boarddir . '/Packages/' . $gzfilename, '*/package-info.xml', true); elseif (file_exists($boarddir . '/Packages/' . $gzfilename . '/package-info.xml')) $packageInfo = file_get_contents($boarddir . '/Packages/' . $gzfilename . '/package-info.xml'); else return 'package_get_error_missing_xml'; } // Nothing? if (empty($packageInfo)) { // Perhaps they are trying to install a theme, lets tell them nicely this is the wrong function $packageInfo = read_tgz_file($boarddir . '/Packages/' . $gzfilename, '*/theme_info.xml', true); if (!empty($packageInfo)) return 'package_get_error_is_theme'; else return 'package_get_error_is_zero'; } // Parse package-info.xml into an xmlArray. require_once($sourcedir . '/Class-Package.php'); $packageInfo = new xmlArray($packageInfo); // @todo Error message of some sort? if (!$packageInfo->exists('package-info[0]')) return 'package_get_error_packageinfo_corrupt'; $packageInfo = $packageInfo->path('package-info[0]'); $package = $packageInfo->to_array(); $package['xml'] = $packageInfo; $package['filename'] = $gzfilename; $package['name'] = $smcFunc['htmlspecialchars']($package['name']); if (!isset($package['type'])) $package['type'] = 'modification'; return $package; } // Create a chmod control for chmoding files. function create_chmod_control($chmodFiles = array(), $chmodOptions = array(), $restore_write_status = false) { global $context, $modSettings, $package_ftp, $boarddir, $txt, $sourcedir, $scripturl; // If we're restoring the status of existing files prepare the data. if ($restore_write_status && isset($_SESSION['pack_ftp']) && !empty($_SESSION['pack_ftp']['original_perms'])) { function list_restoreFiles($dummy1, $dummy2, $dummy3, $do_change) { global $txt; $restore_files = array(); foreach ($_SESSION['pack_ftp']['original_perms'] as $file => $perms) { // Check the file still exists, and the permissions were indeed different than now. $file_permissions = @fileperms($file); if (!file_exists($file) || $file_permissions == $perms) { unset($_SESSION['pack_ftp']['original_perms'][$file]); continue; } // Are we wanting to change the permission? if ($do_change && isset($_POST['restore_files']) && in_array($file, $_POST['restore_files'])) { // Use FTP if we have it. // @todo where does $package_ftp get set? if (!empty($package_ftp)) { $ftp_file = strtr($file, array($_SESSION['pack_ftp']['root'] => '')); $package_ftp->chmod($ftp_file, $perms); } else @chmod($file, $perms); $new_permissions = @fileperms($file); $result = $new_permissions == $perms ? 'success' : 'failure'; unset($_SESSION['pack_ftp']['original_perms'][$file]); } elseif ($do_change) { $new_permissions = ''; $result = 'skipped'; unset($_SESSION['pack_ftp']['original_perms'][$file]); } // Record the results! $restore_files[] = array( 'path' => $file, 'old_perms_raw' => $perms, 'old_perms' => substr(sprintf('%o', $perms), -4), 'cur_perms' => substr(sprintf('%o', $file_permissions), -4), 'new_perms' => isset($new_permissions) ? substr(sprintf('%o', $new_permissions), -4) : '', 'result' => isset($result) ? $result : '', 'writable_message' => '' . (@is_writable($file) ? $txt['package_file_perms_writable'] : $txt['package_file_perms_not_writable']) . '', ); } return $restore_files; } $listOptions = array( 'id' => 'restore_file_permissions', 'title' => $txt['package_restore_permissions'], 'get_items' => array( 'function' => 'list_restoreFiles', 'params' => array( !empty($_POST['restore_perms']), ), ), 'columns' => array( 'path' => array( 'header' => array( 'value' => $txt['package_restore_permissions_filename'], ), 'data' => array( 'db' => 'path', 'class' => 'smalltext', ), ), 'old_perms' => array( 'header' => array( 'value' => $txt['package_restore_permissions_orig_status'], ), 'data' => array( 'db' => 'old_perms', 'class' => 'smalltext', ), ), 'cur_perms' => array( 'header' => array( 'value' => $txt['package_restore_permissions_cur_status'], ), 'data' => array( 'function' => create_function('$rowData', ' global $txt; $formatTxt = $rowData[\'result\'] == \'\' || $rowData[\'result\'] == \'skipped\' ? $txt[\'package_restore_permissions_pre_change\'] : $txt[\'package_restore_permissions_post_change\']; return sprintf($formatTxt, $rowData[\'cur_perms\'], $rowData[\'new_perms\'], $rowData[\'writable_message\']); '), 'class' => 'smalltext', ), ), 'check' => array( 'header' => array( 'value' => '', 'class' => 'centercol', ), 'data' => array( 'sprintf' => array( 'format' => '', 'params' => array( 'path' => false, ), ), 'class' => 'centercol', ), ), 'result' => array( 'header' => array( 'value' => $txt['package_restore_permissions_result'], ), 'data' => array( 'function' => create_function('$rowData', ' global $txt; return $txt[\'package_restore_permissions_action_\' . $rowData[\'result\']]; '), 'class' => 'smalltext', ), ), ), 'form' => array( 'href' => !empty($chmodOptions['destination_url']) ? $chmodOptions['destination_url'] : $scripturl . '?action=admin;area=packages;sa=perms;restore;' . $context['session_var'] . '=' . $context['session_id'], ), 'additional_rows' => array( array( 'position' => 'below_table_data', 'value' => '', 'class' => 'titlebg', ), array( 'position' => 'after_title', 'value' => '' . $txt['package_restore_permissions_desc'] . '', 'class' => 'windowbg2', ), ), ); // Work out what columns and the like to show. if (!empty($_POST['restore_perms'])) { $listOptions['additional_rows'][1]['value'] = sprintf($txt['package_restore_permissions_action_done'], $scripturl . '?action=admin;area=packages;sa=perms;' . $context['session_var'] . '=' . $context['session_id']); unset($listOptions['columns']['check'], $listOptions['form'], $listOptions['additional_rows'][0]); $context['sub_template'] = 'show_list'; $context['default_list'] = 'restore_file_permissions'; } else { unset($listOptions['columns']['result']); } // Create the list for display. require_once($sourcedir . '/Subs-List.php'); createList($listOptions); // If we just restored permissions then whereever we are, we are now done and dusted. if (!empty($_POST['restore_perms'])) obExit(); } // Otherwise, it's entirely irrelevant? elseif ($restore_write_status) return true; // This is where we report what we got up to. $return_data = array( 'files' => array( 'writable' => array(), 'notwritable' => array(), ), ); // If we have some FTP information already, then let's assume it was required and try to get ourselves connected. if (!empty($_SESSION['pack_ftp']['connected'])) { // Load the file containing the ftp_connection class. require_once($sourcedir . '/Class-Package.php'); $package_ftp = new ftp_connection($_SESSION['pack_ftp']['server'], $_SESSION['pack_ftp']['port'], $_SESSION['pack_ftp']['username'], package_crypt($_SESSION['pack_ftp']['password'])); } // Just got a submission did we? if (empty($package_ftp) && isset($_POST['ftp_username'])) { require_once($sourcedir . '/Class-Package.php'); $ftp = new ftp_connection($_POST['ftp_server'], $_POST['ftp_port'], $_POST['ftp_username'], $_POST['ftp_password']); // We're connected, jolly good! if ($ftp->error === false) { // Common mistake, so let's try to remedy it... if (!$ftp->chdir($_POST['ftp_path'])) { $ftp_error = $ftp->last_message; $ftp->chdir(preg_replace('~^/home[2]?/[^/]+?~', '', $_POST['ftp_path'])); } if (!in_array($_POST['ftp_path'], array('', '/'))) { $ftp_root = strtr($boarddir, array($_POST['ftp_path'] => '')); if (substr($ftp_root, -1) == '/' && ($_POST['ftp_path'] == '' || substr($_POST['ftp_path'], 0, 1) == '/')) $ftp_root = substr($ftp_root, 0, -1); } else $ftp_root = $boarddir; $_SESSION['pack_ftp'] = array( 'server' => $_POST['ftp_server'], 'port' => $_POST['ftp_port'], 'username' => $_POST['ftp_username'], 'password' => package_crypt($_POST['ftp_password']), 'path' => $_POST['ftp_path'], 'root' => $ftp_root, 'connected' => true, ); if (!isset($modSettings['package_path']) || $modSettings['package_path'] != $_POST['ftp_path']) updateSettings(array('package_path' => $_POST['ftp_path'])); // This is now the primary connection. $package_ftp = $ftp; } } // Now try to simply make the files writable, with whatever we might have. if (!empty($chmodFiles)) { foreach ($chmodFiles as $k => $file) { // Sometimes this can somehow happen maybe? if (empty($file)) unset($chmodFiles[$k]); // Already writable? elseif (@is_writable($file)) $return_data['files']['writable'][] = $file; else { // Now try to change that. $return_data['files'][package_chmod($file, 'writable', true) ? 'writable' : 'notwritable'][] = $file; } } } // Have we still got nasty files which ain't writable? Dear me we need more FTP good sir. if (empty($package_ftp) && (!empty($return_data['files']['notwritable']) || !empty($chmodOptions['force_find_error']))) { if (!isset($ftp) || $ftp->error !== false) { if (!isset($ftp)) { require_once($sourcedir . '/Class-Package.php'); $ftp = new ftp_connection(null); } elseif ($ftp->error !== false && !isset($ftp_error)) $ftp_error = $ftp->last_message === null ? '' : $ftp->last_message; list ($username, $detect_path, $found_path) = $ftp->detect_path($boarddir); if ($found_path) $_POST['ftp_path'] = $detect_path; elseif (!isset($_POST['ftp_path'])) $_POST['ftp_path'] = isset($modSettings['package_path']) ? $modSettings['package_path'] : $detect_path; if (!isset($_POST['ftp_username'])) $_POST['ftp_username'] = $username; } $context['package_ftp'] = array( 'server' => isset($_POST['ftp_server']) ? $_POST['ftp_server'] : (isset($modSettings['package_server']) ? $modSettings['package_server'] : 'localhost'), 'port' => isset($_POST['ftp_port']) ? $_POST['ftp_port'] : (isset($modSettings['package_port']) ? $modSettings['package_port'] : '21'), 'username' => isset($_POST['ftp_username']) ? $_POST['ftp_username'] : (isset($modSettings['package_username']) ? $modSettings['package_username'] : ''), 'path' => $_POST['ftp_path'], 'error' => empty($ftp_error) ? null : $ftp_error, 'destination' => !empty($chmodOptions['destination_url']) ? $chmodOptions['destination_url'] : '', ); // Which files failed? if (!isset($context['notwritable_files'])) $context['notwritable_files'] = array(); $context['notwritable_files'] = array_merge($context['notwritable_files'], $return_data['files']['notwritable']); // Sent here to die? if (!empty($chmodOptions['crash_on_error'])) { $context['page_title'] = $txt['package_ftp_necessary']; $context['sub_template'] = 'ftp_required'; obExit(); } } return $return_data; } /** * @param string $destination_url * @param array $files = none * @param bool $return = false */ function packageRequireFTP($destination_url, $files = null, $return = false) { global $context, $modSettings, $package_ftp, $boarddir, $txt, $sourcedir; // Try to make them writable the manual way. if ($files !== null) { foreach ($files as $k => $file) { // If this file doesn't exist, then we actually want to look at the directory, no? if (!file_exists($file)) $file = dirname($file); // This looks odd, but it's an attempt to work around PHP suExec. if (!@is_writable($file)) @chmod($file, 0755); if (!@is_writable($file)) @chmod($file, 0777); if (!@is_writable(dirname($file))) @chmod($file, 0755); if (!@is_writable(dirname($file))) @chmod($file, 0777); $fp = is_dir($file) ? @opendir($file) : @fopen($file, 'rb'); if (@is_writable($file) && $fp) { unset($files[$k]); if (!is_dir($file)) fclose($fp); else closedir($fp); } } // No FTP required! if (empty($files)) return array(); } // They've opted to not use FTP, and try anyway. if (isset($_SESSION['pack_ftp']) && $_SESSION['pack_ftp'] == false) { if ($files === null) return array(); foreach ($files as $k => $file) { // This looks odd, but it's an attempt to work around PHP suExec. if (!file_exists($file)) { mktree(dirname($file), 0755); @touch($file); @chmod($file, 0755); } if (!@is_writable($file)) @chmod($file, 0777); if (!@is_writable(dirname($file))) @chmod(dirname($file), 0777); if (@is_writable($file)) unset($files[$k]); } return $files; } elseif (isset($_SESSION['pack_ftp'])) { // Load the file containing the ftp_connection class. require_once($sourcedir . '/Class-Package.php'); $package_ftp = new ftp_connection($_SESSION['pack_ftp']['server'], $_SESSION['pack_ftp']['port'], $_SESSION['pack_ftp']['username'], package_crypt($_SESSION['pack_ftp']['password'])); if ($files === null) return array(); foreach ($files as $k => $file) { $ftp_file = strtr($file, array($_SESSION['pack_ftp']['root'] => '')); // This looks odd, but it's an attempt to work around PHP suExec. if (!file_exists($file)) { mktree(dirname($file), 0755); $package_ftp->create_file($ftp_file); $package_ftp->chmod($ftp_file, 0755); } if (!@is_writable($file)) $package_ftp->chmod($ftp_file, 0777); if (!@is_writable(dirname($file))) $package_ftp->chmod(dirname($ftp_file), 0777); if (@is_writable($file)) unset($files[$k]); } return $files; } if (isset($_POST['ftp_none'])) { $_SESSION['pack_ftp'] = false; $files = packageRequireFTP($destination_url, $files, $return); return $files; } elseif (isset($_POST['ftp_username'])) { require_once($sourcedir . '/Class-Package.php'); $ftp = new ftp_connection($_POST['ftp_server'], $_POST['ftp_port'], $_POST['ftp_username'], $_POST['ftp_password']); if ($ftp->error === false) { // Common mistake, so let's try to remedy it... if (!$ftp->chdir($_POST['ftp_path'])) { $ftp_error = $ftp->last_message; $ftp->chdir(preg_replace('~^/home[2]?/[^/]+?~', '', $_POST['ftp_path'])); } } } if (!isset($ftp) || $ftp->error !== false) { if (!isset($ftp)) { require_once($sourcedir . '/Class-Package.php'); $ftp = new ftp_connection(null); } elseif ($ftp->error !== false && !isset($ftp_error)) $ftp_error = $ftp->last_message === null ? '' : $ftp->last_message; list ($username, $detect_path, $found_path) = $ftp->detect_path($boarddir); if ($found_path) $_POST['ftp_path'] = $detect_path; elseif (!isset($_POST['ftp_path'])) $_POST['ftp_path'] = isset($modSettings['package_path']) ? $modSettings['package_path'] : $detect_path; if (!isset($_POST['ftp_username'])) $_POST['ftp_username'] = $username; $context['package_ftp'] = array( 'server' => isset($_POST['ftp_server']) ? $_POST['ftp_server'] : (isset($modSettings['package_server']) ? $modSettings['package_server'] : 'localhost'), 'port' => isset($_POST['ftp_port']) ? $_POST['ftp_port'] : (isset($modSettings['package_port']) ? $modSettings['package_port'] : '21'), 'username' => isset($_POST['ftp_username']) ? $_POST['ftp_username'] : (isset($modSettings['package_username']) ? $modSettings['package_username'] : ''), 'path' => $_POST['ftp_path'], 'error' => empty($ftp_error) ? null : $ftp_error, 'destination' => $destination_url, ); // If we're returning dump out here. if ($return) return $files; $context['page_title'] = $txt['package_ftp_necessary']; $context['sub_template'] = 'ftp_required'; obExit(); } else { if (!in_array($_POST['ftp_path'], array('', '/'))) { $ftp_root = strtr($boarddir, array($_POST['ftp_path'] => '')); if (substr($ftp_root, -1) == '/' && ($_POST['ftp_path'] == '' || $_POST['ftp_path'][0] == '/')) $ftp_root = substr($ftp_root, 0, -1); } else $ftp_root = $boarddir; $_SESSION['pack_ftp'] = array( 'server' => $_POST['ftp_server'], 'port' => $_POST['ftp_port'], 'username' => $_POST['ftp_username'], 'password' => package_crypt($_POST['ftp_password']), 'path' => $_POST['ftp_path'], 'root' => $ftp_root, ); if (!isset($modSettings['package_path']) || $modSettings['package_path'] != $_POST['ftp_path']) updateSettings(array('package_path' => $_POST['ftp_path'])); $files = packageRequireFTP($destination_url, $files, $return); } return $files; } /** * Parses the actions in package-info.xml file from packages. * * - package should be an xmlArray with package-info as its base. * - testing_only should be true if the package should not actually be applied. * - method can be upgrade, install, or uninstall. Its default is install. * - previous_version should be set to the previous installed version of this package, if any. * - does not handle failure terribly well; testing first is always better. * * @param xmlArray &$package * @param bool $testing_only = true * @param string $method = 'install' ('install', 'upgrade', or 'uninstall') * @param string $previous_version = '' * @return array an array of those changes made. */ function parsePackageInfo(&$packageXML, $testing_only = true, $method = 'install', $previous_version = '') { global $boarddir, $forum_version, $context, $temp_path, $language; // Mayday! That action doesn't exist!! if (empty($packageXML) || !$packageXML->exists($method)) return array(); // We haven't found the package script yet... $script = false; $the_version = strtr($forum_version, array('SMF ' => '')); // Emulation support... if (!empty($_SESSION['version_emulate'])) $the_version = $_SESSION['version_emulate']; // Single package emulation if (!empty($_REQUEST['ve']) && !empty($_REQUEST['package'])) { $the_version = $_REQUEST['ve']; $_SESSION['single_version_emulate'][$_REQUEST['package']] = $the_version; } if (!empty($_REQUEST['package']) && (!empty($_SESSION['single_version_emulate'][$_REQUEST['package']]))) $the_version = $_SESSION['single_version_emulate'][$_REQUEST['package']]; // Get all the versions of this method and find the right one. $these_methods = $packageXML->set($method); foreach ($these_methods as $this_method) { // They specified certain versions this part is for. if ($this_method->exists('@for')) { // Don't keep going if this won't work for this version of SMF. if (!matchPackageVersion($the_version, $this_method->fetch('@for'))) continue; } // Upgrades may go from a certain old version of the mod. if ($method == 'upgrade' && $this_method->exists('@from')) { // Well, this is for the wrong old version... if (!matchPackageVersion($previous_version, $this_method->fetch('@from'))) continue; } // We've found it! $script = $this_method; break; } // Bad news, a matching script wasn't found! if ($script === false) return array(); // Find all the actions in this method - in theory, these should only be allowed actions. (* means all.) $actions = $script->set('*'); $return = array(); $temp_auto = 0; $temp_path = $boarddir . '/Packages/temp/' . (isset($context['base_path']) ? $context['base_path'] : ''); $context['readmes'] = array(); $context['licences'] = array(); // This is the testing phase... nothing shall be done yet. foreach ($actions as $action) { $actionType = $action->name(); if (in_array($actionType, array('readme', 'code', 'database', 'modification', 'redirect', 'license'))) { // Allow for translated readme and license files. if ($actionType == 'readme' || $actionType == 'license') { $type = $actionType . 's'; if ($action->exists('@lang')) { // Auto-select the language based on either request variable or current language. if ((isset($_REQUEST['readme']) && $action->fetch('@lang') == $_REQUEST['readme']) || (isset($_REQUEST['license']) && $action->fetch('@lang') == $_REQUEST['license']) || (!isset($_REQUEST['readme']) && $action->fetch('@lang') == $language) || (!isset($_REQUEST['license']) && $action->fetch('@lang') == $language)) { // In case the user put the blocks in the wrong order. if (isset($context[$type]['selected']) && $context[$type]['selected'] == 'default') $context[$type][] = 'default'; $context[$type]['selected'] = htmlspecialchars($action->fetch('@lang')); } else { // We don't want this now, but we'll allow the user to select to read it. $context[$type][] = htmlspecialchars($action->fetch('@lang')); continue; } } // Fallback when we have no lang parameter. else { // Already selected one for use? if (isset($context[$type]['selected'])) { $context[$type][] = 'default'; continue; } else $context[$type]['selected'] = 'default'; } } // @todo Make sure the file actually exists? Might not work when testing? if ($action->exists('@type') && $action->fetch('@type') == 'inline') { $filename = $temp_path . '$auto_' . $temp_auto++ . (in_array($actionType, array('readme', 'redirect', 'license')) ? '.txt' : ($actionType == 'code' || $actionType == 'database' ? '.php' : '.mod')); package_put_contents($filename, $action->fetch('.')); $filename = strtr($filename, array($temp_path => '')); } else $filename = $action->fetch('.'); $return[] = array( 'type' => $actionType, 'filename' => $filename, 'description' => '', 'reverse' => $action->exists('@reverse') && $action->fetch('@reverse') == 'true', 'boardmod' => $action->exists('@format') && $action->fetch('@format') == 'boardmod', 'redirect_url' => $action->exists('@url') ? $action->fetch('@url') : '', 'redirect_timeout' => $action->exists('@timeout') ? (int) $action->fetch('@timeout') : '', 'parse_bbc' => $action->exists('@parsebbc') && $action->fetch('@parsebbc') == 'true', 'language' => (($actionType == 'readme' || $actionType == 'license') && $action->exists('@lang') && $action->fetch('@lang') == $language) ? $language : '', ); continue; } elseif ($actionType == 'hook') { $return[] = array( 'type' => $actionType, 'function' => $action->exists('@function') ? $action->fetch('@function') : '', 'hook' => $action->exists('@hook') ? $action->fetch('@hook') : $action->fetch('.'), 'include_file' => $action->exists('@file') ? $action->fetch('@file') : '', 'reverse' => $action->exists('@reverse') && $action->fetch('@reverse') == 'true' ? true : false, 'description' => '', ); continue; } elseif ($actionType == 'credits') { // quick check of any supplied url $url = $action->exists('@url') ? $action->fetch('@url') : ''; if (strlen(trim($url)) > 0 && substr($url, 0, 7) !== 'http://' && substr($url, 0, 8) !== 'https://') { $url = 'http://' . $url; if (strlen($url) < 8 || (substr($url, 0, 7) !== 'http://' && substr($url, 0, 8) !== 'https://')) $url = ''; } $return[] = array( 'type' => $actionType, 'url' => $url, 'license' => $action->exists('@license') ? $action->fetch('@license') : '', 'copyright' => $action->exists('@copyright') ? $action->fetch('@copyright') : '', 'title' => $action->fetch('.'), ); continue; } elseif ($actionType == 'requires') { $return[] = array( 'type' => $actionType, 'id' => $action->exists('@id') ? $action->fetch('@id') : '', 'version' => $action->exists('@version') ? $action->fetch('@version') : $action->fetch('.'), 'description' => '', ); continue; } elseif ($actionType == 'error') { $return[] = array( 'type' => 'error', ); } elseif (in_array($actionType, array('require-file', 'remove-file', 'require-dir', 'remove-dir', 'move-file', 'move-dir', 'create-file', 'create-dir'))) { $this_action = &$return[]; $this_action = array( 'type' => $actionType, 'filename' => $action->fetch('@name'), 'description' => $action->fetch('.') ); // If there is a destination, make sure it makes sense. if (substr($actionType, 0, 6) != 'remove') { $this_action['unparsed_destination'] = $action->fetch('@destination'); $this_action['destination'] = parse_path($action->fetch('@destination')) . '/' . basename($this_action['filename']); } else { $this_action['unparsed_filename'] = $this_action['filename']; $this_action['filename'] = parse_path($this_action['filename']); } // If we're moving or requiring (copying) a file. if (substr($actionType, 0, 4) == 'move' || substr($actionType, 0, 7) == 'require') { if ($action->exists('@from')) $this_action['source'] = parse_path($action->fetch('@from')); else $this_action['source'] = $temp_path . $this_action['filename']; } // Check if these things can be done. (chmod's etc.) if ($actionType == 'create-dir') { if (!mktree($this_action['destination'], false)) { $temp = $this_action['destination']; while (!file_exists($temp) && strlen($temp) > 1) $temp = dirname($temp); $return[] = array( 'type' => 'chmod', 'filename' => $temp ); } } elseif ($actionType == 'create-file') { if (!mktree(dirname($this_action['destination']), false)) { $temp = dirname($this_action['destination']); while (!file_exists($temp) && strlen($temp) > 1) $temp = dirname($temp); $return[] = array( 'type' => 'chmod', 'filename' => $temp ); } if (!is_writable($this_action['destination']) && (file_exists($this_action['destination']) || !is_writable(dirname($this_action['destination'])))) $return[] = array( 'type' => 'chmod', 'filename' => $this_action['destination'] ); } elseif ($actionType == 'require-dir') { if (!mktree($this_action['destination'], false)) { $temp = $this_action['destination']; while (!file_exists($temp) && strlen($temp) > 1) $temp = dirname($temp); $return[] = array( 'type' => 'chmod', 'filename' => $temp ); } } elseif ($actionType == 'require-file') { if ($action->exists('@theme')) $this_action['theme_action'] = $action->fetch('@theme'); if (!mktree(dirname($this_action['destination']), false)) { $temp = dirname($this_action['destination']); while (!file_exists($temp) && strlen($temp) > 1) $temp = dirname($temp); $return[] = array( 'type' => 'chmod', 'filename' => $temp ); } if (!is_writable($this_action['destination']) && (file_exists($this_action['destination']) || !is_writable(dirname($this_action['destination'])))) $return[] = array( 'type' => 'chmod', 'filename' => $this_action['destination'] ); } elseif ($actionType == 'move-dir' || $actionType == 'move-file') { if (!mktree(dirname($this_action['destination']), false)) { $temp = dirname($this_action['destination']); while (!file_exists($temp) && strlen($temp) > 1) $temp = dirname($temp); $return[] = array( 'type' => 'chmod', 'filename' => $temp ); } if (!is_writable($this_action['destination']) && (file_exists($this_action['destination']) || !is_writable(dirname($this_action['destination'])))) $return[] = array( 'type' => 'chmod', 'filename' => $this_action['destination'] ); } elseif ($actionType == 'remove-dir') { if (!is_writable($this_action['filename']) && file_exists($this_action['filename'])) $return[] = array( 'type' => 'chmod', 'filename' => $this_action['filename'] ); } elseif ($actionType == 'remove-file') { if (!is_writable($this_action['filename']) && file_exists($this_action['filename'])) $return[] = array( 'type' => 'chmod', 'filename' => $this_action['filename'] ); } } else { $return[] = array( 'type' => 'error', 'error_msg' => 'unknown_action', 'error_var' => $actionType ); } } // Only testing - just return a list of things to be done. if ($testing_only) return $return; umask(0); $failure = false; $not_done = array(array('type' => '!')); foreach ($return as $action) { if (in_array($action['type'], array('modification', 'code', 'database', 'redirect', 'hook', 'credits'))) $not_done[] = $action; if ($action['type'] == 'create-dir') { if (!mktree($action['destination'], 0755) || !is_writable($action['destination'])) $failure |= !mktree($action['destination'], 0777); } elseif ($action['type'] == 'create-file') { if (!mktree(dirname($action['destination']), 0755) || !is_writable(dirname($action['destination']))) $failure |= !mktree(dirname($action['destination']), 0777); // Create an empty file. package_put_contents($action['destination'], package_get_contents($action['source']), $testing_only); if (!file_exists($action['destination'])) $failure = true; } elseif ($action['type'] == 'require-dir') { copytree($action['source'], $action['destination']); // Any other theme folders? if (!empty($context['theme_copies']) && !empty($context['theme_copies'][$action['type']][$action['destination']])) foreach ($context['theme_copies'][$action['type']][$action['destination']] as $theme_destination) copytree($action['source'], $theme_destination); } elseif ($action['type'] == 'require-file') { if (!mktree(dirname($action['destination']), 0755) || !is_writable(dirname($action['destination']))) $failure |= !mktree(dirname($action['destination']), 0777); package_put_contents($action['destination'], package_get_contents($action['source']), $testing_only); $failure |= !copy($action['source'], $action['destination']); // Any other theme files? if (!empty($context['theme_copies']) && !empty($context['theme_copies'][$action['type']][$action['destination']])) foreach ($context['theme_copies'][$action['type']][$action['destination']] as $theme_destination) { if (!mktree(dirname($theme_destination), 0755) || !is_writable(dirname($theme_destination))) $failure |= !mktree(dirname($theme_destination), 0777); package_put_contents($theme_destination, package_get_contents($action['source']), $testing_only); $failure |= !copy($action['source'], $theme_destination); } } elseif ($action['type'] == 'move-file') { if (!mktree(dirname($action['destination']), 0755) || !is_writable(dirname($action['destination']))) $failure |= !mktree(dirname($action['destination']), 0777); $failure |= !rename($action['source'], $action['destination']); } elseif ($action['type'] == 'move-dir') { if (!mktree($action['destination'], 0755) || !is_writable($action['destination'])) $failure |= !mktree($action['destination'], 0777); $failure |= !rename($action['source'], $action['destination']); } elseif ($action['type'] == 'remove-dir') { deltree($action['filename']); // Any other theme folders? if (!empty($context['theme_copies']) && !empty($context['theme_copies'][$action['type']][$action['filename']])) foreach ($context['theme_copies'][$action['type']][$action['filename']] as $theme_destination) deltree($theme_destination); } elseif ($action['type'] == 'remove-file') { // Make sure the file exists before deleting it. if (file_exists($action['filename'])) { package_chmod($action['filename']); $failure |= !unlink($action['filename']); } // The file that was supposed to be deleted couldn't be found. else $failure = true; // Any other theme folders? if (!empty($context['theme_copies']) && !empty($context['theme_copies'][$action['type']][$action['filename']])) foreach ($context['theme_copies'][$action['type']][$action['filename']] as $theme_destination) if (file_exists($theme_destination)) $failure |= !unlink($theme_destination); else $failure = true; } } return $not_done; } /** * Checks if version matches any of the versions in versions. * - supports comma separated version numbers, with or without whitespace. * - supports lower and upper bounds. (1.0-1.2) * - returns true if the version matched. * * @param string $versions * @return highest install value string or false */ function matchHighestPackageVersion($versions, $reset = false, $the_version) { static $near_version = 0; if ($reset) $near_version = 0; // Normalize the $versions while we remove our previous Doh! $versions = explode(',', str_replace(array(' ', '2.0rc1-1'), array('', '2.0rc1.1'), strtolower($versions))); // Loop through each version, save the highest we can find foreach ($versions as $for) { // Adjust for those wild cards if (strpos($for, '*') !== false) $for = str_replace('*', '0dev0', $for) . '-' . str_replace('*', '999', $for); // If we have a range, grab the lower value, done this way so it looks normal-er to the user e.g. 2.0 vs 2.0.99 if (strpos($for, '-') !== false) list ($for, $higher) = explode('-', $for); // Do the compare, if the for is greater, than what we have but not greater than what we are running ..... if (compareVersions($near_version, $for) === -1 && compareVersions($for, $the_version) !== 1) $near_version = $for; } return !empty($near_version) ? $near_version : false; } /** * Checks if the forum version matches any of the available versions from the package install xml. * - supports comma separated version numbers, with or without whitespace. * - supports lower and upper bounds. (1.0-1.2) * - returns true if the version matched. * * @param string $version * @param string $versions * @return bool */ function matchPackageVersion($version, $versions) { // Make sure everything is lowercase and clean of spaces and unpleasant history. $version = str_replace(array(' ', '2.0rc1-1'), array('', '2.0rc1.1'), strtolower($version)); $versions = explode(',', str_replace(array(' ', '2.0rc1-1'), array('', '2.0rc1.1'), strtolower($versions))); // Perhaps we do accept anything? if (in_array('all', $versions)) return true; // Loop through each version. foreach ($versions as $for) { // Wild card spotted? if (strpos($for, '*') !== false) $for = str_replace('*', '0dev0', $for) . '-' . str_replace('*', '999', $for); // Do we have a range? if (strpos($for, '-') !== false) { list ($lower, $upper) = explode('-', $for); // Compare the version against lower and upper bounds. if (compareVersions($version, $lower) > -1 && compareVersions($version, $upper) < 1) return true; } // Otherwise check if they are equal... elseif (compareVersions($version, $for) === 0) return true; } return false; } /** * Compares two versions and determines if one is newer, older or the same, returns * - (-1) if version1 is lower than version2 * - (0) if version1 is equal to version2 * - (1) if version1 is higher than version2 * * @param string version1 * @param string version2 * @return int (-1, 0, 1) */ function compareVersions($version1, $version2) { static $categories; $versions = array(); foreach (array(1 => $version1, $version2) as $id => $version) { // Clean the version and extract the version parts. $clean = str_replace(array(' ', '2.0rc1-1'), array('', '2.0rc1.1'), strtolower($version)); preg_match('~(\d+)(?:\.(\d+|))?(?:\.)?(\d+|)(?:(alpha|beta|rc)(\d+|)(?:\.)?(\d+|))?(?:(dev))?(\d+|)~', $clean, $parts); // Build an array of parts. $versions[$id] = array( 'major' => (int) $parts[1], 'minor' => !empty($parts[2]) ? (int) $parts[2] : 0, 'patch' => !empty($parts[3]) ? (int) $parts[3] : 0, 'type' => empty($parts[4]) ? 'stable' : $parts[4], 'type_major' => !empty($parts[6]) ? (int) $parts[5] : 0, 'type_minor' => !empty($parts[6]) ? (int) $parts[6] : 0, 'dev' => !empty($parts[7]), ); } // Are they the same, perhaps? if ($versions[1] === $versions[2]) return 0; // Get version numbering categories... if (!isset($categories)) $categories = array_keys($versions[1]); // Loop through each category. foreach ($categories as $category) { // Is there something for us to calculate? if ($versions[1][$category] !== $versions[2][$category]) { // Dev builds are a problematic exception. // (stable) dev < (stable) but (unstable) dev = (unstable) if ($category == 'type') return $versions[1][$category] > $versions[2][$category] ? ($versions[1]['dev'] ? -1 : 1) : ($versions[2]['dev'] ? 1 : -1); elseif ($category == 'dev') return $versions[1]['dev'] ? ($versions[2]['type'] == 'stable' ? -1 : 0) : ($versions[1]['type'] == 'stable' ? 1 : 0); // Otherwise a simple comparison. else return $versions[1][$category] > $versions[2][$category] ? 1 : -1; } } // They are the same! return 0; } /** * Parses special identifiers out of the specified path. * @param string $path * @return string The parsed path */ function parse_path($path) { global $modSettings, $boarddir, $sourcedir, $settings, $temp_path; $dirs = array( '\\' => '/', '$boarddir' => $boarddir, '$sourcedir' => $sourcedir, '$avatardir' => $modSettings['avatar_directory'], '$avatars_dir' => $modSettings['avatar_directory'], '$themedir' => $settings['default_theme_dir'], '$imagesdir' => $settings['default_theme_dir'] . '/' . basename($settings['default_images_url']), '$themes_dir' => $boarddir . '/Themes', '$languagedir' => $settings['default_theme_dir'] . '/languages', '$languages_dir' => $settings['default_theme_dir'] . '/languages', '$smileysdir' => $modSettings['smileys_dir'], '$smileys_dir' => $modSettings['smileys_dir'], ); // do we parse in a package directory? if (!empty($temp_path)) $dirs['$package'] = $temp_path; if (strlen($path) == 0) trigger_error('parse_path(): There should never be an empty filename', E_USER_ERROR); return strtr($path, $dirs); } /** * Deletes a directory, and all the files and direcories inside it. * requires access to delete these files. * @param string $path * @param bool $delete_directory = true */ function deltree($dir, $delete_dir = true) { global $package_ftp; if (!file_exists($dir)) return; $current_dir = @opendir($dir); if ($current_dir == false) { if ($delete_dir && isset($package_ftp)) { $ftp_file = strtr($dir, array($_SESSION['pack_ftp']['root'] => '')); // @todo $entryname is never set if (!is_writable($dir . '/' . $entryname)) $package_ftp->chmod($ftp_file, 0777); $package_ftp->unlink($ftp_file); } return; } while ($entryname = readdir($current_dir)) { if (in_array($entryname, array('.', '..'))) continue; if (is_dir($dir . '/' . $entryname)) deltree($dir . '/' . $entryname); else { // Here, 755 doesn't really matter since we're deleting it anyway. if (isset($package_ftp)) { $ftp_file = strtr($dir . '/' . $entryname, array($_SESSION['pack_ftp']['root'] => '')); if (!is_writable($dir . '/' . $entryname)) $package_ftp->chmod($ftp_file, 0777); $package_ftp->unlink($ftp_file); } else { if (!is_writable($dir . '/' . $entryname)) @chmod($dir . '/' . $entryname, 0777); unlink($dir . '/' . $entryname); } } } closedir($current_dir); if ($delete_dir) { if (isset($package_ftp)) { $ftp_file = strtr($dir, array($_SESSION['pack_ftp']['root'] => '')); if (!is_writable($dir . '/' . $entryname)) $package_ftp->chmod($ftp_file, 0777); $package_ftp->unlink($ftp_file); } else { if (!is_writable($dir)) @chmod($dir, 0777); @rmdir($dir); } } } /** * Creates the specified tree structure with the mode specified. * creates every directory in path until it finds one that already exists. * @param string $path * @param int $mode * @return bool true if successful, false otherwise */ function mktree($strPath, $mode) { global $package_ftp; if (is_dir($strPath)) { if (!is_writable($strPath) && $mode !== false) { if (isset($package_ftp)) $package_ftp->chmod(strtr($strPath, array($_SESSION['pack_ftp']['root'] => '')), $mode); else @chmod($strPath, $mode); } $test = @opendir($strPath); if ($test) { closedir($test); return is_writable($strPath); } else return false; } // Is this an invalid path and/or we can't make the directory? if ($strPath == dirname($strPath) || !mktree(dirname($strPath), $mode)) return false; if (!is_writable(dirname($strPath)) && $mode !== false) { if (isset($package_ftp)) $package_ftp->chmod(dirname(strtr($strPath, array($_SESSION['pack_ftp']['root'] => ''))), $mode); else @chmod(dirname($strPath), $mode); } if ($mode !== false && isset($package_ftp)) return $package_ftp->create_dir(strtr($strPath, array($_SESSION['pack_ftp']['root'] => ''))); elseif ($mode === false) { $test = @opendir(dirname($strPath)); if ($test) { closedir($test); return true; } else return false; } else { @mkdir($strPath, $mode); $test = @opendir($strPath); if ($test) { closedir($test); return true; } else return false; } } /** * Copies one directory structure over to another. * requires the destination to be writable. * @param string $source * @param string $destination */ function copytree($source, $destination) { global $package_ftp; if (!file_exists($destination) || !is_writable($destination)) mktree($destination, 0755); if (!is_writable($destination)) mktree($destination, 0777); $current_dir = opendir($source); if ($current_dir == false) return; while ($entryname = readdir($current_dir)) { if (in_array($entryname, array('.', '..'))) continue; if (isset($package_ftp)) $ftp_file = strtr($destination . '/' . $entryname, array($_SESSION['pack_ftp']['root'] => '')); if (is_file($source . '/' . $entryname)) { if (isset($package_ftp) && !file_exists($destination . '/' . $entryname)) $package_ftp->create_file($ftp_file); elseif (!file_exists($destination . '/' . $entryname)) @touch($destination . '/' . $entryname); } package_chmod($destination . '/' . $entryname); if (is_dir($source . '/' . $entryname)) copytree($source . '/' . $entryname, $destination . '/' . $entryname); elseif (file_exists($destination . '/' . $entryname)) package_put_contents($destination . '/' . $entryname, package_get_contents($source . '/' . $entryname)); else copy($source . '/' . $entryname, $destination . '/' . $entryname); } closedir($current_dir); } /** * @param string $path * @param string $sub_path = '' * @return array */ function listtree($path, $sub_path = '') { $data = array(); $dir = @dir($path . $sub_path); if (!$dir) return array(); while ($entry = $dir->read()) { if ($entry == '.' || $entry == '..') continue; if (is_dir($path . $sub_path . '/' . $entry)) $data = array_merge($data, listtree($path, $sub_path . '/' . $entry)); else $data[] = array( 'filename' => $sub_path == '' ? $entry : $sub_path . '/' . $entry, 'size' => filesize($path . $sub_path . '/' . $entry), 'skipped' => false, ); } $dir->close(); return $data; } /** * Parses a xml-style modification file (file). * @param string $file * @param bool $testing = true tells it the modifications shouldn't actually be saved. * @param bool $undo = false specifies that the modifications the file requests should be undone; this doesn't work with everything (regular expressions.) * @param array $theme_paths = array() * @return array an array of those changes made. */ function parseModification($file, $testing = true, $undo = false, $theme_paths = array()) { global $boarddir, $sourcedir, $settings, $txt, $modSettings, $package_ftp; @set_time_limit(600); require_once($sourcedir . '/Class-Package.php'); $xml = new xmlArray(strtr($file, array("\r" => ''))); $actions = array(); $everything_found = true; if (!$xml->exists('modification') || !$xml->exists('modification/file')) { $actions[] = array( 'type' => 'error', 'filename' => '-', 'debug' => $txt['package_modification_malformed'] ); return $actions; } // Get the XML data. $files = $xml->set('modification/file'); // Use this for holding all the template changes in this mod. $template_changes = array(); // This is needed to hold the long paths, as they can vary... $long_changes = array(); // First, we need to build the list of all the files likely to get changed. foreach ($files as $file) { // What is the filename we're currently on? $filename = parse_path(trim($file->fetch('@name'))); // Now, we need to work out whether this is even a template file... foreach ($theme_paths as $id => $theme) { // If this filename is relative, if so take a guess at what it should be. $real_filename = $filename; if (strpos($filename, 'Themes') === 0) $real_filename = $boarddir . '/' . $filename; if (strpos($real_filename, $theme['theme_dir']) === 0) { $template_changes[$id][] = substr($real_filename, strlen($theme['theme_dir']) + 1); $long_changes[$id][] = $filename; } } } // Custom themes to add. $custom_themes_add = array(); // If we have some template changes, we need to build a master link of what new ones are required for the custom themes. if (!empty($template_changes[1])) { foreach ($theme_paths as $id => $theme) { // Default is getting done anyway, so no need for involvement here. if ($id == 1) continue; // For every template, do we want it? Yea, no, maybe? foreach ($template_changes[1] as $index => $template_file) { // What, it exists and we haven't already got it?! Lordy, get it in! if (file_exists($theme['theme_dir'] . '/' . $template_file) && (!isset($template_changes[$id]) || !in_array($template_file, $template_changes[$id]))) { // Now let's add it to the "todo" list. $custom_themes_add[$long_changes[1][$index]][$id] = $theme['theme_dir'] . '/' . $template_file; } } } } foreach ($files as $file) { // This is the actual file referred to in the XML document... $files_to_change = array( 1 => parse_path(trim($file->fetch('@name'))), ); // Sometimes though, we have some additional files for other themes, if we have add them to the mix. if (isset($custom_themes_add[$files_to_change[1]])) $files_to_change += $custom_themes_add[$files_to_change[1]]; // Now, loop through all the files we're changing, and, well, change them ;) foreach ($files_to_change as $theme => $working_file) { if ($working_file[0] != '/' && $working_file[1] != ':') { trigger_error('parseModification(): The filename \'' . $working_file . '\' is not a full path!', E_USER_WARNING); $working_file = $boarddir . '/' . $working_file; } // Doesn't exist - give an error or what? if (!file_exists($working_file) && (!$file->exists('@error') || !in_array(trim($file->fetch('@error')), array('ignore', 'skip')))) { $actions[] = array( 'type' => 'missing', 'filename' => $working_file, 'debug' => $txt['package_modification_missing'] ); $everything_found = false; continue; } // Skip the file if it doesn't exist. elseif (!file_exists($working_file) && $file->exists('@error') && trim($file->fetch('@error')) == 'skip') { $actions[] = array( 'type' => 'skipping', 'filename' => $working_file, ); continue; } // Okay, we're creating this file then...? elseif (!file_exists($working_file)) $working_data = ''; // Phew, it exists! Load 'er up! else $working_data = str_replace("\r", '', package_get_contents($working_file)); $actions[] = array( 'type' => 'opened', 'filename' => $working_file ); $operations = $file->exists('operation') ? $file->set('operation') : array(); foreach ($operations as $operation) { // Convert operation to an array. $actual_operation = array( 'searches' => array(), 'error' => $operation->exists('@error') && in_array(trim($operation->fetch('@error')), array('ignore', 'fatal', 'required')) ? trim($operation->fetch('@error')) : 'fatal', ); // The 'add' parameter is used for all searches in this operation. $add = $operation->exists('add') ? $operation->fetch('add') : ''; // Grab all search items of this operation (in most cases just 1). $searches = $operation->set('search'); foreach ($searches as $i => $search) $actual_operation['searches'][] = array( 'position' => $search->exists('@position') && in_array(trim($search->fetch('@position')), array('before', 'after', 'replace', 'end')) ? trim($search->fetch('@position')) : 'replace', 'is_reg_exp' => $search->exists('@regexp') && trim($search->fetch('@regexp')) === 'true', 'loose_whitespace' => $search->exists('@whitespace') && trim($search->fetch('@whitespace')) === 'loose', 'search' => $search->fetch('.'), 'add' => $add, 'preg_search' => '', 'preg_replace' => '', ); // At least one search should be defined. if (empty($actual_operation['searches'])) { $actions[] = array( 'type' => 'failure', 'filename' => $working_file, 'search' => $search['search'], 'is_custom' => $theme > 1 ? $theme : 0, ); // Skip to the next operation. continue; } // Reverse the operations in case of undoing stuff. if ($undo) { foreach ($actual_operation['searches'] as $i => $search) { // Reverse modification of regular expressions are not allowed. if ($search['is_reg_exp']) { if ($actual_operation['error'] === 'fatal') $actions[] = array( 'type' => 'failure', 'filename' => $working_file, 'search' => $search['search'], 'is_custom' => $theme > 1 ? $theme : 0, ); // Continue to the next operation. continue 2; } // The replacement is now the search subject... if ($search['position'] === 'replace' || $search['position'] === 'end') $actual_operation['searches'][$i]['search'] = $search['add']; else { // Reversing a before/after modification becomes a replacement. $actual_operation['searches'][$i]['position'] = 'replace'; if ($search['position'] === 'before') $actual_operation['searches'][$i]['search'] .= $search['add']; elseif ($search['position'] === 'after') $actual_operation['searches'][$i]['search'] = $search['add'] . $search['search']; } // ...and the search subject is now the replacement. $actual_operation['searches'][$i]['add'] = $search['search']; } } // Sort the search list so the replaces come before the add before/after's. if (count($actual_operation['searches']) !== 1) { $replacements = array(); foreach ($actual_operation['searches'] as $i => $search) { if ($search['position'] === 'replace') { $replacements[] = $search; unset($actual_operation['searches'][$i]); } } $actual_operation['searches'] = array_merge($replacements, $actual_operation['searches']); } // Create regular expression replacements from each search. foreach ($actual_operation['searches'] as $i => $search) { // Not much needed if the search subject is already a regexp. if ($search['is_reg_exp']) $actual_operation['searches'][$i]['preg_search'] = $search['search']; else { // Make the search subject fit into a regular expression. $actual_operation['searches'][$i]['preg_search'] = preg_quote($search['search'], '~'); // Using 'loose', a random amount of tabs and spaces may be used. if ($search['loose_whitespace']) $actual_operation['searches'][$i]['preg_search'] = preg_replace('~[ \t]+~', '[ \t]+', $actual_operation['searches'][$i]['preg_search']); } // Shuzzup. This is done so we can safely use a regular expression. ($0 is bad!!) $actual_operation['searches'][$i]['preg_replace'] = strtr($search['add'], array('$' => '[$PACK' . 'AGE1$]', '\\' => '[$PACK' . 'AGE2$]')); // Before, so the replacement comes after the search subject :P if ($search['position'] === 'before') { $actual_operation['searches'][$i]['preg_search'] = '(' . $actual_operation['searches'][$i]['preg_search'] . ')'; $actual_operation['searches'][$i]['preg_replace'] = '$1' . $actual_operation['searches'][$i]['preg_replace']; } // After, after what? elseif ($search['position'] === 'after') { $actual_operation['searches'][$i]['preg_search'] = '(' . $actual_operation['searches'][$i]['preg_search'] . ')'; $actual_operation['searches'][$i]['preg_replace'] .= '$1'; } // Position the replacement at the end of the file (or just before the closing PHP tags). elseif ($search['position'] === 'end') { if ($undo) { $actual_operation['searches'][$i]['preg_replace'] = ''; } else { $actual_operation['searches'][$i]['preg_search'] = '(\\n\\?\\>)?$'; $actual_operation['searches'][$i]['preg_replace'] .= '$1'; } } // Testing 1, 2, 3... $failed = preg_match('~' . $actual_operation['searches'][$i]['preg_search'] . '~s', $working_data) === 0; // Nope, search pattern not found. if ($failed && $actual_operation['error'] === 'fatal') { $actions[] = array( 'type' => 'failure', 'filename' => $working_file, 'search' => $actual_operation['searches'][$i]['preg_search'], 'search_original' => $actual_operation['searches'][$i]['search'], 'replace_original' => $actual_operation['searches'][$i]['add'], 'position' => $search['position'], 'is_custom' => $theme > 1 ? $theme : 0, 'failed' => $failed, ); $everything_found = false; continue; } // Found, but in this case, that means failure! elseif (!$failed && $actual_operation['error'] === 'required') { $actions[] = array( 'type' => 'failure', 'filename' => $working_file, 'search' => $actual_operation['searches'][$i]['preg_search'], 'search_original' => $actual_operation['searches'][$i]['search'], 'replace_original' => $actual_operation['searches'][$i]['add'], 'position' => $search['position'], 'is_custom' => $theme > 1 ? $theme : 0, 'failed' => $failed, ); $everything_found = false; continue; } // Replace it into nothing? That's not an option...unless it's an undoing end. if ($search['add'] === '' && ($search['position'] !== 'end' || !$undo)) continue; // Finally, we're doing some replacements. $working_data = preg_replace('~' . $actual_operation['searches'][$i]['preg_search'] . '~s', $actual_operation['searches'][$i]['preg_replace'], $working_data, 1); $actions[] = array( 'type' => 'replace', 'filename' => $working_file, 'search' => $actual_operation['searches'][$i]['preg_search'], 'replace' => $actual_operation['searches'][$i]['preg_replace'], 'search_original' => $actual_operation['searches'][$i]['search'], 'replace_original' => $actual_operation['searches'][$i]['add'], 'position' => $search['position'], 'failed' => $failed, 'ignore_failure' => $failed && $actual_operation['error'] === 'ignore', 'is_custom' => $theme > 1 ? $theme : 0, ); } } // Fix any little helper symbols ;). $working_data = strtr($working_data, array('[$PACK' . 'AGE1$]' => '$', '[$PACK' . 'AGE2$]' => '\\')); package_chmod($working_file); if ((file_exists($working_file) && !is_writable($working_file)) || (!file_exists($working_file) && !is_writable(dirname($working_file)))) $actions[] = array( 'type' => 'chmod', 'filename' => $working_file ); if (basename($working_file) == 'Settings_bak.php') continue; if (!$testing && !empty($modSettings['package_make_backups']) && file_exists($working_file)) { // No, no, not Settings.php! if (basename($working_file) == 'Settings.php') @copy($working_file, dirname($working_file) . '/Settings_bak.php'); else @copy($working_file, $working_file . '~'); } // Always call this, even if in testing, because it won't really be written in testing mode. package_put_contents($working_file, $working_data, $testing); $actions[] = array( 'type' => 'saved', 'filename' => $working_file, 'is_custom' => $theme > 1 ? $theme : 0, ); } } $actions[] = array( 'type' => 'result', 'status' => $everything_found ); return $actions; } /** * Parses a boardmod-style modification file (file). * @param string $file * @param bool $testing = true tells it the modifications shouldn't actually be saved. * @param bool $undo = false specifies that the modifications the file requests should be undone. * @param array $theme_paths = array() * @return array an array of those changes made. */ function parseBoardMod($file, $testing = true, $undo = false, $theme_paths = array()) { global $boarddir, $sourcedir, $settings, $txt, $modSettings; @set_time_limit(600); $file = strtr($file, array("\r" => '')); $working_file = null; $working_search = null; $working_data = ''; $replace_with = null; $actions = array(); $everything_found = true; // This holds all the template changes in the standard mod file. $template_changes = array(); // This is just the temporary file. $temp_file = $file; // This holds the actual changes on a step counter basis. $temp_changes = array(); $counter = 0; $step_counter = 0; // Before we do *anything*, let's build a list of what we're editing, as it's going to be used for other theme edits. while (preg_match('~<(edit file|file|search|search for|add|add after|replace|add before|add above|above|before)>\n(.*?)\n~is', $temp_file, $code_match) != 0) { $counter++; // Get rid of the old stuff. $temp_file = substr_replace($temp_file, '', strpos($temp_file, $code_match[0]), strlen($code_match[0])); // No interest to us? if ($code_match[1] != 'edit file' && $code_match[1] != 'file') { // It's a step, let's add that to the current steps. if (isset($temp_changes[$step_counter])) $temp_changes[$step_counter]['changes'][] = $code_match[0]; continue; } // We've found a new edit - let's make ourself heard, kind of. $step_counter = $counter; $temp_changes[$step_counter] = array( 'title' => $code_match[0], 'changes' => array(), ); $filename = parse_path($code_match[2]); // Now, is this a template file, and if so, which? foreach ($theme_paths as $id => $theme) { // If this filename is relative, if so take a guess at what it should be. if (strpos($filename, 'Themes') === 0) $filename = $boarddir . '/' . $filename; if (strpos($filename, $theme['theme_dir']) === 0) $template_changes[$id][$counter] = substr($filename, strlen($theme['theme_dir']) + 1); } } // Anything above $counter must be for custom themes. $custom_template_begin = $counter; // Reference for what theme ID this action belongs to. $theme_id_ref = array(); // Now we know what templates we need to touch, cycle through each theme and work out what we need to edit. if (!empty($template_changes[1])) { foreach ($theme_paths as $id => $theme) { // Don't do default, it means nothing to me. if ($id == 1) continue; // Now, for each file do we need to edit it? foreach ($template_changes[1] as $pos => $template_file) { // It does? Add it to the list darlin'. if (file_exists($theme['theme_dir'] . '/' . $template_file) && (!isset($template_changes[$id][$pos]) || !in_array($template_file, $template_changes[$id][$pos]))) { // Actually add it to the mod file too, so we can see that it will work ;) if (!empty($temp_changes[$pos]['changes'])) { $file .= "\n\n" . '' . "\n" . $theme['theme_dir'] . '/' . $template_file . "\n" . '' . "\n\n" . implode("\n\n", $temp_changes[$pos]['changes']); $theme_id_ref[$counter] = $id; $counter += 1 + count($temp_changes[$pos]['changes']); } } } } } $counter = 0; $is_custom = 0; while (preg_match('~<(edit file|file|search|search for|add|add after|replace|add before|add above|above|before)>\n(.*?)\n~is', $file, $code_match) != 0) { // This is for working out what we should be editing. $counter++; // Edit a specific file. if ($code_match[1] == 'file' || $code_match[1] == 'edit file') { // Backup the old file. if ($working_file !== null) { package_chmod($working_file); // Don't even dare. if (basename($working_file) == 'Settings_bak.php') continue; if (!is_writable($working_file)) $actions[] = array( 'type' => 'chmod', 'filename' => $working_file ); if (!$testing && !empty($modSettings['package_make_backups']) && file_exists($working_file)) { if (basename($working_file) == 'Settings.php') @copy($working_file, dirname($working_file) . '/Settings_bak.php'); else @copy($working_file, $working_file . '~'); } package_put_contents($working_file, $working_data, $testing); } if ($working_file !== null) $actions[] = array( 'type' => 'saved', 'filename' => $working_file, 'is_custom' => $is_custom, ); // Is this "now working on" file a theme specific one? $is_custom = isset($theme_id_ref[$counter - 1]) ? $theme_id_ref[$counter - 1] : 0; // Make sure the file exists! $working_file = parse_path($code_match[2]); if ($working_file[0] != '/' && $working_file[1] != ':') { trigger_error('parseBoardMod(): The filename \'' . $working_file . '\' is not a full path!', E_USER_WARNING); $working_file = $boarddir . '/' . $working_file; } if (!file_exists($working_file)) { $places_to_check = array($boarddir, $sourcedir, $settings['default_theme_dir'], $settings['default_theme_dir'] . '/languages'); foreach ($places_to_check as $place) if (file_exists($place . '/' . $working_file)) { $working_file = $place . '/' . $working_file; break; } } if (file_exists($working_file)) { // Load the new file. $working_data = str_replace("\r", '', package_get_contents($working_file)); $actions[] = array( 'type' => 'opened', 'filename' => $working_file ); } else { $actions[] = array( 'type' => 'missing', 'filename' => $working_file ); $working_file = null; $everything_found = false; } // Can't be searching for something... $working_search = null; } // Search for a specific string. elseif (($code_match[1] == 'search' || $code_match[1] == 'search for') && $working_file !== null) { if ($working_search !== null) { $actions[] = array( 'type' => 'error', 'filename' => $working_file ); $everything_found = false; } $working_search = $code_match[2]; } // Must've already loaded a search string. elseif ($working_search !== null) { // This is the base string.... $replace_with = $code_match[2]; // Add this afterward... if ($code_match[1] == 'add' || $code_match[1] == 'add after') $replace_with = $working_search . "\n" . $replace_with; // Add this beforehand. elseif ($code_match[1] == 'before' || $code_match[1] == 'add before' || $code_match[1] == 'above' || $code_match[1] == 'add above') $replace_with .= "\n" . $working_search; // Otherwise.. replace with $replace_with ;). } // If we have a search string, replace string, and open file.. if ($working_search !== null && $replace_with !== null && $working_file !== null) { // Make sure it's somewhere in the string. if ($undo) { $temp = $replace_with; $replace_with = $working_search; $working_search = $temp; } if (strpos($working_data, $working_search) !== false) { $working_data = str_replace($working_search, $replace_with, $working_data); $actions[] = array( 'type' => 'replace', 'filename' => $working_file, 'search' => $working_search, 'replace' => $replace_with, 'search_original' => $working_search, 'replace_original' => $replace_with, 'position' => $code_match[1] == 'replace' ? 'replace' : ($code_match[1] == 'add' || $code_match[1] == 'add after' ? 'before' : 'after'), 'is_custom' => $is_custom, 'failed' => false, ); } // It wasn't found! else { $actions[] = array( 'type' => 'failure', 'filename' => $working_file, 'search' => $working_search, 'is_custom' => $is_custom, 'search_original' => $working_search, 'replace_original' => $replace_with, 'position' => $code_match[1] == 'replace' ? 'replace' : ($code_match[1] == 'add' || $code_match[1] == 'add after' ? 'before' : 'after'), 'is_custom' => $is_custom, 'failed' => true, ); $everything_found = false; } // These don't hold any meaning now. $working_search = null; $replace_with = null; } // Get rid of the old tag. $file = substr_replace($file, '', strpos($file, $code_match[0]), strlen($code_match[0])); } // Backup the old file. if ($working_file !== null) { package_chmod($working_file); if (!is_writable($working_file)) $actions[] = array( 'type' => 'chmod', 'filename' => $working_file ); if (!$testing && !empty($modSettings['package_make_backups']) && file_exists($working_file)) { if (basename($working_file) == 'Settings.php') @copy($working_file, dirname($working_file) . '/Settings_bak.php'); else @copy($working_file, $working_file . '~'); } package_put_contents($working_file, $working_data, $testing); } if ($working_file !== null) $actions[] = array( 'type' => 'saved', 'filename' => $working_file, 'is_custom' => $is_custom, ); $actions[] = array( 'type' => 'result', 'status' => $everything_found ); return $actions; } function package_get_contents($filename) { global $package_cache, $modSettings; if (!isset($package_cache)) { $mem_check = setMemoryLimit('128M'); // Windows doesn't seem to care about the memory_limit. if (!empty($modSettings['package_disable_cache']) || $mem_check || stripos(PHP_OS, 'win') !== false) $package_cache = array(); else $package_cache = false; } if (strpos($filename, 'Packages/') !== false || $package_cache === false || !isset($package_cache[$filename])) return file_get_contents($filename); else return $package_cache[$filename]; } /** * Writes data to a file, almost exactly like the file_put_contents() function. * uses FTP to create/chmod the file when necessary and available. * uses text mode for text mode file extensions. * returns the number of bytes written. * @param string $filename * @param string $data * @return int */ function package_put_contents($filename, $data, $testing = false) { global $package_ftp, $package_cache, $modSettings; static $text_filetypes = array('php', 'txt', '.js', 'css', 'vbs', 'tml', 'htm'); if (!isset($package_cache)) { // Try to increase the memory limit - we don't want to run out of ram! $mem_check = setMemoryLimit('128M'); if (!empty($modSettings['package_disable_cache']) || $mem_check || stripos(PHP_OS, 'win') !== false) $package_cache = array(); else $package_cache = false; } if (isset($package_ftp)) $ftp_file = strtr($filename, array($_SESSION['pack_ftp']['root'] => '')); if (!file_exists($filename) && isset($package_ftp)) $package_ftp->create_file($ftp_file); elseif (!file_exists($filename)) @touch($filename); package_chmod($filename); if (!$testing && (strpos($filename, 'Packages/') !== false || $package_cache === false)) { $fp = @fopen($filename, in_array(substr($filename, -3), $text_filetypes) ? 'w' : 'wb'); // We should show an error message or attempt a rollback, no? if (!$fp) return false; fwrite($fp, $data); fclose($fp); } elseif (strpos($filename, 'Packages/') !== false || $package_cache === false) return strlen($data); else { $package_cache[$filename] = $data; // Permission denied, eh? $fp = @fopen($filename, 'r+'); if (!$fp) return false; fclose($fp); } return strlen($data); } function package_flush_cache($trash = false) { global $package_ftp, $package_cache; static $text_filetypes = array('php', 'txt', '.js', 'css', 'vbs', 'tml', 'htm'); if (empty($package_cache)) return; // First, let's check permissions! foreach ($package_cache as $filename => $data) { if (isset($package_ftp)) $ftp_file = strtr($filename, array($_SESSION['pack_ftp']['root'] => '')); if (!file_exists($filename) && isset($package_ftp)) $package_ftp->create_file($ftp_file); elseif (!file_exists($filename)) @touch($filename); $result = package_chmod($filename); // if we are not doing our test pass, then lets do a full write check if (!$trash) { // acid test, can we really open this file for writing? $fp = ($result) ? fopen($filename, 'r+') : $result; if (!$fp) { // We should have package_chmod()'d them before, no?! trigger_error('package_flush_cache(): some files are still not writable', E_USER_WARNING); return; } fclose($fp); } } if ($trash) { $package_cache = array(); return; } foreach ($package_cache as $filename => $data) { $fp = fopen($filename, in_array(substr($filename, -3), $text_filetypes) ? 'w' : 'wb'); fwrite($fp, $data); fclose($fp); } $package_cache = array(); } /** * Try to make a file writable. * * @param string $filename * @param string $perm_state = 'writable' * @param bool $track_change = false * @return bool True if it worked, false if it didn't */ function package_chmod($filename, $perm_state = 'writable', $track_change = false) { global $package_ftp; if (file_exists($filename) && is_writable($filename) && $perm_state == 'writable') return true; // Start off checking without FTP. if (!isset($package_ftp) || $package_ftp === false) { for ($i = 0; $i < 2; $i++) { $chmod_file = $filename; // Start off with a less agressive test. if ($i == 0) { // If this file doesn't exist, then we actually want to look at whatever parent directory does. $subTraverseLimit = 2; while (!file_exists($chmod_file) && $subTraverseLimit) { $chmod_file = dirname($chmod_file); $subTraverseLimit--; } // Keep track of the writable status here. $file_permissions = @fileperms($chmod_file); } else { // This looks odd, but it's an attempt to work around PHP suExec. if (!file_exists($chmod_file) && $perm_state == 'writable') { $file_permissions = @fileperms(dirname($chmod_file)); mktree(dirname($chmod_file), 0755); @touch($chmod_file); @chmod($chmod_file, 0755); } else $file_permissions = @fileperms($chmod_file); } // This looks odd, but it's another attempt to work around PHP suExec. if ($perm_state != 'writable') @chmod($chmod_file, $perm_state == 'execute' ? 0755 : 0644); else { if (!@is_writable($chmod_file)) @chmod($chmod_file, 0755); if (!@is_writable($chmod_file)) @chmod($chmod_file, 0777); if (!@is_writable(dirname($chmod_file))) @chmod($chmod_file, 0755); if (!@is_writable(dirname($chmod_file))) @chmod($chmod_file, 0777); } // The ultimate writable test. if ($perm_state == 'writable') { $fp = is_dir($chmod_file) ? @opendir($chmod_file) : @fopen($chmod_file, 'rb'); if (@is_writable($chmod_file) && $fp) { if (!is_dir($chmod_file)) fclose($fp); else closedir($fp); // It worked! if ($track_change) $_SESSION['pack_ftp']['original_perms'][$chmod_file] = $file_permissions; return true; } } elseif ($perm_state != 'writable' && isset($_SESSION['pack_ftp']['original_perms'][$chmod_file])) unset($_SESSION['pack_ftp']['original_perms'][$chmod_file]); } // If we're here we're a failure. return false; } // Otherwise we do have FTP? elseif ($package_ftp !== false && !empty($_SESSION['pack_ftp'])) { $ftp_file = strtr($filename, array($_SESSION['pack_ftp']['root'] => '')); // This looks odd, but it's an attempt to work around PHP suExec. if (!file_exists($filename) && $perm_state == 'writable') { $file_permissions = @fileperms(dirname($filename)); mktree(dirname($filename), 0755); $package_ftp->create_file($ftp_file); $package_ftp->chmod($ftp_file, 0755); } else $file_permissions = @fileperms($filename); if ($perm_state != 'writable') { $package_ftp->chmod($ftp_file, $perm_state == 'execute' ? 0755 : 0644); } else { if (!@is_writable($filename)) $package_ftp->chmod($ftp_file, 0777); if (!@is_writable(dirname($filename))) $package_ftp->chmod(dirname($ftp_file), 0777); } if (@is_writable($filename)) { if ($track_change) $_SESSION['pack_ftp']['original_perms'][$filename] = $file_permissions; return true; } elseif ($perm_state != 'writable' && isset($_SESSION['pack_ftp']['original_perms'][$filename])) unset($_SESSION['pack_ftp']['original_perms'][$filename]); } // Oh dear, we failed if we get here. return false; } /** * Used to crypt the supplied ftp password in this session * * @param string $pass * @return string The encrypted password */ function package_crypt($pass) { $n = strlen($pass); $salt = session_id(); while (strlen($salt) < $n) $salt .= session_id(); for ($i = 0; $i < $n; $i++) $pass{$i} = chr(ord($pass{$i}) ^ (ord($salt{$i}) - 32)); return $pass; } /** * @todo Document this * @param string $id */ function package_create_backup($id = 'backup') { global $sourcedir, $boarddir, $smcFunc; $files = array(); $base_files = array('index.php', 'SSI.php', 'agreement.txt', 'ssi_examples.php', 'ssi_examples.shtml', 'subscriptions.php'); foreach ($base_files as $file) { if (file_exists($boarddir . '/' . $file)) $files[realpath($boarddir . '/' . $file)] = array( empty($_REQUEST['use_full_paths']) ? $file : $boarddir . '/' . $file, stat($boarddir . '/' . $file) ); } $dirs = array( $sourcedir => empty($_REQUEST['use_full_paths']) ? 'Sources/' : strtr($sourcedir . '/', '\\', '/') ); $request = $smcFunc['db_query']('', ' SELECT value FROM {db_prefix}themes WHERE id_member = {int:no_member} AND variable = {string:theme_dir}', array( 'no_member' => 0, 'theme_dir' => 'theme_dir', ) ); while ($row = $smcFunc['db_fetch_assoc']($request)) $dirs[$row['value']] = empty($_REQUEST['use_full_paths']) ? 'Themes/' . basename($row['value']) . '/' : strtr($row['value'] . '/', '\\', '/'); $smcFunc['db_free_result']($request); while (!empty($dirs)) { list ($dir, $dest) = each($dirs); unset($dirs[$dir]); $listing = @dir($dir); if (!$listing) continue; while ($entry = $listing->read()) { if (preg_match('~^(\.{1,2}|CVS|backup.*|help|images|.*\~)$~', $entry) != 0) continue; $filepath = realpath($dir . '/' . $entry); if (isset($files[$filepath])) continue; $stat = stat($dir . '/' . $entry); if ($stat['mode'] & 040000) { $files[$filepath] = array($dest . $entry . '/', $stat); $dirs[$dir . '/' . $entry] = $dest . $entry . '/'; } else $files[$filepath] = array($dest . $entry, $stat); } $listing->close(); } if (!file_exists($boarddir . '/Packages/backups')) mktree($boarddir . '/Packages/backups', 0777); if (!is_writable($boarddir . '/Packages/backups')) package_chmod($boarddir . '/Packages/backups'); $output_file = $boarddir . '/Packages/backups/' . strftime('%Y-%m-%d_') . preg_replace('~[$\\\\/:<>|?*"\']~', '', $id); $output_ext = '.tar' . (function_exists('gzopen') ? '.gz' : ''); if (file_exists($output_file . $output_ext)) { $i = 2; while (file_exists($output_file . '_' . $i . $output_ext)) $i++; $output_file = $output_file . '_' . $i . $output_ext; } else $output_file .= $output_ext; @set_time_limit(300); if (function_exists('apache_reset_timeout')) @apache_reset_timeout(); if (function_exists('gzopen')) { $fwrite = 'gzwrite'; $fclose = 'gzclose'; $output = gzopen($output_file, 'wb'); } else { $fwrite = 'fwrite'; $fclose = 'fclose'; $output = fopen($output_file, 'wb'); } foreach ($files as $real_file => $file) { if (!file_exists($real_file)) continue; $stat = $file[1]; if (substr($file[0], -1) == '/') $stat['size'] = 0; $current = pack('a100a8a8a8a12a12a8a1a100a6a2a32a32a8a8a155a12', $file[0], decoct($stat['mode']), sprintf('%06d', decoct($stat['uid'])), sprintf('%06d', decoct($stat['gid'])), decoct($stat['size']), decoct($stat['mtime']), '', 0, '', '', '', '', '', '', '', '', ''); $checksum = 256; for ($i = 0; $i < 512; $i++) $checksum += ord($current{$i}); $fwrite($output, substr($current, 0, 148) . pack('a8', decoct($checksum)) . substr($current, 156, 511)); if ($stat['size'] == 0) continue; $fp = fopen($real_file, 'rb'); while (!feof($fp)) $fwrite($output, fread($fp, 16384)); fclose($fp); $fwrite($output, pack('a' . (512 - $stat['size'] % 512), '')); } $fwrite($output, pack('a1024', '')); $fclose($output); } /** * Get the contents of a URL, irrespective of allow_url_fopen. * * - reads the contents of an http or ftp address and retruns the page in a string * - will accept up to 3 page redirections (redirectio_level in the function call is private) * - if post_data is supplied, the value and lenght is posted to the given url as form data * - URL must be supplied in lowercase * * @param string $url * @param string $post_data = '' * @param bool $keep_alive = false * @param $redirection_level = 0 * @return string */ function fetch_web_data($url, $post_data = '', $keep_alive = false, $redirection_level = 0) { global $webmaster_email, $sourcedir; static $keep_alive_dom = null, $keep_alive_fp = null; preg_match('~^(http|ftp)(s)?://([^/:]+)(:(\d+))?(.+)$~', $url, $match); // An FTP url. We should try connecting and RETRieving it... if (empty($match[1])) return false; elseif ($match[1] == 'ftp') { // Include the file containing the ftp_connection class. require_once($sourcedir . '/Class-Package.php'); // Establish a connection and attempt to enable passive mode. $ftp = new ftp_connection(($match[2] ? 'ssl://' : '') . $match[3], empty($match[5]) ? 21 : $match[5], 'anonymous', $webmaster_email); if ($ftp->error !== false || !$ftp->passive()) return false; // I want that one *points*! fwrite($ftp->connection, 'RETR ' . $match[6] . "\r\n"); // Since passive mode worked (or we would have returned already!) open the connection. $fp = @fsockopen($ftp->pasv['ip'], $ftp->pasv['port'], $err, $err, 5); if (!$fp) return false; // The server should now say something in acknowledgement. $ftp->check_response(150); $data = ''; while (!feof($fp)) $data .= fread($fp, 4096); fclose($fp); // All done, right? Good. $ftp->check_response(226); $ftp->close(); } // More likely a standard HTTP URL, first try to use cURL if available elseif (isset($match[1]) && $match[1] === 'http' && function_exists('curl_init')) { // Include the file containing the curl_fetch_web_data class. require_once($sourcedir . '/Class-CurlFetchWeb.php'); $fetch_data = new curl_fetch_web_data(); $fetch_data->get_url_data($url, $post_data); // no errors and a 200 result, then we have a good dataset, well we at least have data ;) if ($fetch_data->result('code') == 200 && !$fetch_data->result('error')) $data = $fetch_data->result('body'); else return false; } // This is more likely; a standard HTTP URL. elseif (isset($match[1]) && $match[1] == 'http') { if ($keep_alive && $match[3] == $keep_alive_dom) $fp = $keep_alive_fp; if (empty($fp)) { // Open the socket on the port we want... $fp = @fsockopen(($match[2] ? 'ssl://' : '') . $match[3], empty($match[5]) ? ($match[2] ? 443 : 80) : $match[5], $err, $err, 5); if (!$fp) return false; } if ($keep_alive) { $keep_alive_dom = $match[3]; $keep_alive_fp = $fp; } // I want this, from there, and I'm not going to be bothering you for more (probably.) if (empty($post_data)) { fwrite($fp, 'GET ' . ($match[6] !== '/' ? str_replace(' ', '%20', $match[6]) : '') . ' HTTP/1.0' . "\r\n"); fwrite($fp, 'Host: ' . $match[3] . (empty($match[5]) ? ($match[2] ? ':443' : '') : ':' . $match[5]) . "\r\n"); fwrite($fp, 'User-Agent: PHP/SMF' . "\r\n"); if ($keep_alive) fwrite($fp, 'Connection: Keep-Alive' . "\r\n\r\n"); else fwrite($fp, 'Connection: close' . "\r\n\r\n"); } else { fwrite($fp, 'POST ' . ($match[6] !== '/' ? $match[6] : '') . ' HTTP/1.0' . "\r\n"); fwrite($fp, 'Host: ' . $match[3] . (empty($match[5]) ? ($match[2] ? ':443' : '') : ':' . $match[5]) . "\r\n"); fwrite($fp, 'User-Agent: PHP/SMF' . "\r\n"); if ($keep_alive) fwrite($fp, 'Connection: Keep-Alive' . "\r\n"); else fwrite($fp, 'Connection: close' . "\r\n"); fwrite($fp, 'Content-Type: application/x-www-form-urlencoded' . "\r\n"); fwrite($fp, 'Content-Length: ' . strlen($post_data) . "\r\n\r\n"); fwrite($fp, $post_data); } $response = fgets($fp, 768); // Redirect in case this location is permanently or temporarily moved. if ($redirection_level < 3 && preg_match('~^HTTP/\S+\s+30[127]~i', $response) === 1) { $header = ''; $location = ''; while (!feof($fp) && trim($header = fgets($fp, 4096)) != '') if (strpos($header, 'Location:') !== false) $location = trim(substr($header, strpos($header, ':') + 1)); if (empty($location)) return false; else { if (!$keep_alive) fclose($fp); return fetch_web_data($location, $post_data, $keep_alive, $redirection_level + 1); } } // Make sure we get a 200 OK. elseif (preg_match('~^HTTP/\S+\s+20[01]~i', $response) === 0) return false; // Skip the headers... while (!feof($fp) && trim($header = fgets($fp, 4096)) != '') { if (preg_match('~content-length:\s*(\d+)~i', $header, $match) != 0) $content_length = $match[1]; elseif (preg_match('~connection:\s*close~i', $header) != 0) { $keep_alive_dom = null; $keep_alive = false; } continue; } $data = ''; if (isset($content_length)) { while (!feof($fp) && strlen($data) < $content_length) $data .= fread($fp, $content_length - strlen($data)); } else { while (!feof($fp)) $data .= fread($fp, 4096); } if (!$keep_alive) fclose($fp); } else { // Umm, this shouldn't happen? trigger_error('fetch_web_data(): Bad URL', E_USER_NOTICE); $data = false; } return $data; } // crc32 doesn't work as expected on 64-bit functions - make our own. // http://www.php.net/crc32#79567 if (!function_exists('smf_crc32')) { function smf_crc32($number) { $crc = crc32($number); if ($crc & 0x80000000) { $crc ^= 0xffffffff; $crc += 1; $crc = -$crc; } return $crc; } } ?>