common.lib.php
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PHP
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<?php/* $Id: common.lib.php,v 2.87.2.2 2004/11/10 00:40:48 lem9 Exp $ */// vim: expandtab sw=4 ts=4 sts=4:/** * Misc stuff and functions used by almost all the scripts. * Among other things, it contains the advanced authentification work. *//** * Order of sections for common.lib.php: * * some functions need the constants of libraries/defines.lib.php * and defines_mysql.lib.php * * the PMA_setFontSizes() function must be before the call to the * libraries/auth/cookie.auth.lib.php library * * the include of libraries/defines_mysql.lib.php must be after the connection * to db to get the MySql version * * the PMA_sqlAddslashes() function must be before the connection to db * * the authentication libraries must be before the connection to db but * after the PMA_isInto() function * * the PMA_mysqlDie() function must be before the connection to db but * after mysql extension has been loaded * * the PMA_mysqlDie() function needs the PMA_format_sql() Function * * ... so the required order is: * * - parsing of the configuration file * - load of the libraries/defines.lib.php library * - load of mysql extension (if necessary) * - definition of PMA_sqlAddslashes() * - definition of PMA_format_sql() * - definition of PMA_mysqlDie() * - definition of PMA_isInto() * - definition of PMA_setFontSizes() * - loading of an authentication library * - db connection * - authentication work * - load of the libraries/defines_mysql.lib.php library to get the MySQL * release number * - other functions, respecting dependencies *//** * Minimum inclusion? (i.e. for the stylesheet builder) */if (!isset($is_minimum_common)) { $is_minimum_common = FALSE;}/** * Avoids undefined variables */if (!isset($use_backquotes)) { $use_backquotes = 0;}if (!isset($pos)) { $pos = 0;}/** * 2004-06-30 rabus: Ensure, that $cfg variables are not set somwhere else * before including the config file. */unset($cfg);/** * Detects the config file we want to load */if (file_exists('./config.inc.developer.php')) { $cfgfile_to_load = './config.inc.developer.php';} else { $cfgfile_to_load = './config.inc.php';}/** * Parses the configuration file and gets some constants used to define * versions of phpMyAdmin/php/mysql... */$old_error_reporting = error_reporting(0);include_once($cfgfile_to_load);// Include failedif (!isset($cfgServers) && !isset($cfg['Servers'])) { // Creates fake settings $cfg = array('DefaultLang' => 'en-iso-8859-1', 'AllowAnywhereRecoding' => FALSE); // Loads the language file require_once('./libraries/select_lang.lib.php'); // Sends the Content-Type header header('Content-Type: text/html; charset=' . $charset); // Displays the error message ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $available_languages[$lang][2]; ?>" lang="<?php echo $available_languages[$lang][2]; ?>" dir="<?php echo $text_dir; ?>"><head><title>phpMyAdmin</title><meta http-equiv="Content-Type" content="text/html; charset=<?php echo $charset; ?>" /><style type="text/css"><!--body {font-family: sans-serif; font-size: small; color: #000000; background-color: #F5F5F5}h1 {font-family: sans-serif; font-size: large; font-weight: bold}//--></style></head><body bgcolor="#ffffff"><h1>phpMyAdmin - <?php echo $strError; ?></h1><p><?php echo $strConfigFileError; ?><br /><br /><a href="config.inc.php" target="_blank">config.inc.php</a></p></body></html> <?php exit();}error_reporting($old_error_reporting);unset($old_error_reporting, $cfgfile_to_load);/** * Includes compatibility code for older config.inc.php revisions * if necessary */if (isset($cfg['FileRevision'])) { // converting revision string into an array // e.g. "Revision: 2.0" becomes array(2, 0). $cfg['FileRevision'] = str_replace('$' . 'Revision: ', '', $cfg['FileRevision']); $cfg['FileRevision'] = str_replace(' $', '', $cfg['FileRevision']); $cfg['FileRevision'] = explode('.', $cfg['FileRevision']);} else { $cfg['FileRevision'] = array(1, 1);}if ($cfg['FileRevision'][0] < 2 || ($cfg['FileRevision'][0] == 2 && $cfg['FileRevision'][1] < 38)) { require_once('./libraries/config_import.lib.php');}/** * Includes the language file if it hasn't been included yet */require_once('./libraries/select_lang.lib.php');/** * Gets constants that defines the PHP version number. * This include must be located physically before any code that needs to * reference the constants, else PHP 3.0.16 won't be happy. */require_once('./libraries/defines.lib.php');if ($is_minimum_common == FALSE) { /** * Define $is_upload */ $is_upload = TRUE; if (strtolower(@ini_get('file_uploads')) == 'off' || @ini_get('file_uploads') == 0) { $is_upload = FALSE; } /** * Maximum upload size as limited by PHP * Used with permission from Moodle (http://moodle.org) by Martin Dougiamas * * this section generates $max_upload_size in bytes */ function get_real_size($size=0) { /// Converts numbers like 10M into bytes if (!$size) { return 0; } $scan['MB'] = 1048576; $scan['Mb'] = 1048576; $scan['M'] = 1048576; $scan['m'] = 1048576; $scan['KB'] = 1024; $scan['Kb'] = 1024; $scan['K'] = 1024; $scan['k'] = 1024; while (list($key) = each($scan)) { if ((strlen($size)>strlen($key))&&(substr($size, strlen($size) - strlen($key))==$key)) { $size = substr($size, 0, strlen($size) - strlen($key)) * $scan[$key]; break; } } return $size; } // end function if (!$filesize = ini_get('upload_max_filesize')) { $filesize = "5M"; } $max_upload_size = get_real_size($filesize); if ($postsize = ini_get('post_max_size')) { $postsize = get_real_size($postsize); if ($postsize < $max_upload_size) { $max_upload_size = $postsize; } } unset($filesize); unset($postsize); /** * other functions for maximum upload work */ /** * Displays the maximum size for an upload * * @param integer the size * * @return string the message * * @access public */ function PMA_displayMaximumUploadSize($max_upload_size) { list($max_size, $max_unit) = PMA_formatByteDown($max_upload_size); return '(' . sprintf($GLOBALS['strMaximumSize'], $max_size, $max_unit) . ')'; } /** * Generates a hidden field which should indicate to the browser * the maximum size for upload * * @param integer the size * * @return string the INPUT field * * @access public */ function PMA_generateHiddenMaxFileSize($max_size){ return '<input type="hidden" name="MAX_FILE_SIZE" value="' .$max_size . '" />'; } /** * Charset conversion. */ require_once('./libraries/charset_conversion.lib.php'); /** * String handling */ require_once('./libraries/string.lib.php');}/** * Removes insecure parts in a path; used before include() or * require() when a part of the path comes from an insecure source * like a cookie or form. * * @param string The path to check * * @return string The secured path * * @access public * @author Marc Delisle (lem9@users.sourceforge.net) */function PMA_securePath($path) { // change .. to . $path = preg_replace('@\.\.*@','.',$path); return $path;} // end function// If zlib output compression is set in the php configuration file, no// output buffering should be runif (@ini_get('zlib.output_compression')) { $cfg['OBGzip'] = FALSE;}// disable output-buffering (if set to 'auto') for IE6, else enable it.if (strtolower($cfg['OBGzip']) == 'auto') { if (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER >= 6 && PMA_USR_BROWSER_VER < 7) { $cfg['OBGzip'] = FALSE; } else { $cfg['OBGzip'] = TRUE; }}/* Theme Manager * 2004-05-20 Michael Keck (mail_at_michaelkeck_dot_de) * This little script checks if there're themes available * and if the directory $ThemePath/$theme/img/ exists * If not, it will use default images*/// Theme Managerif (!isset($_COOKIE['pma_theme']) || empty($_COOKIE['pma_theme'])){ $GLOBALS['theme'] = $cfg['ThemeDefault']; $ThemeDefaultOk = FALSE; if ($cfg['ThemePath']!='' && $cfg['ThemePath'] != FALSE) { $tmp_theme_mainpath = $cfg['ThemePath']; $tmp_theme_fullpath = $cfg['ThemePath'] . '/' .$cfg['ThemeDefault']; if (@is_dir($tmp_theme_mainpath)) { if (isset($cfg['ThemeDefault']) && @is_dir($tmp_theme_fullpath)) { $ThemeDefaultOk = TRUE; } } } if ($ThemeDefaultOk == TRUE){ $GLOBALS['theme'] = $cfg['ThemeDefault']; } else { $GLOBALS['theme'] = 'original'; }} else { // if we just changed theme, we must take the new one so that // index.php takes the correct one for height computing if (isset($_POST['set_theme'])) { $GLOBALS['theme'] = PMA_securePath($_POST['set_theme']); } else { $GLOBALS['theme'] = PMA_securePath($_COOKIE['pma_theme']); }}// check for theme requires/nameunset($theme_name, $theme_generation, $theme_version);@include($cfg['ThemePath'] . '/' . $GLOBALS['theme'] . '/info.inc.php');// did it set correctly?if (!isset($theme_name, $theme_generation, $theme_version)) $GLOBALS['theme'] = 'original'; // invalid themeif ($theme_generation != PMA_THEME_GENERATION) $GLOBALS['theme'] = 'original'; // different generation⌨️ 快捷键说明
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