phpmyadmin:Call to undefined function __() Config.class.php on line 755 解决办法

打开 https://github.com/phpmyadmin/phpmyadmin/blob/QA_3_5/libraries/Config.class.php

 

直接复制代码替换Config.class.php 即可

 

 

 

 

<?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
  * Configuration handling.
  *
  * @package PhpMyAdmin
  */
   
  /**
  * Load vendor configuration.
  */
  require './libraries/vendor_config.php';
   
  /**
  * Configuration class
  *
  * @package PhpMyAdmin
  */
  class PMA_Config
  {
  /**
  * @var string default config source
  */
  var $default_source = './libraries/config.default.php';
   
  /**
  * @var array default configuration settings
  */
  var $default = array();
   
  /**
  * @var array configuration settings
  */
  var $settings = array();
   
  /**
  * @var string config source
  */
  var $source = '';
   
  /**
  * @var int source modification time
  */
  var $source_mtime = 0;
  var $default_source_mtime = 0;
  var $set_mtime = 0;
   
  /**
  * @var boolean
  */
  var $error_config_file = false;
   
  /**
  * @var boolean
  */
  var $error_config_default_file = false;
   
  /**
  * @var boolean
  */
  var $error_pma_uri = false;
   
  /**
  * @var array
  */
  var $default_server = array();
   
  /**
  * @var boolean whether init is done or not
  * set this to false to force some initial checks
  * like checking for required functions
  */
  var $done = false;
   
  /**
  * constructor
  *
  * @param string $source source to read config from
  */
  function __construct($source = null)
  {
  $this->settings = array();
   
  // functions need to refresh in case of config file changed goes in
  // PMA_Config::load()
  $this->load($source);
   
  // other settings, independent from config file, comes in
  $this->checkSystem();
   
  $this->checkIsHttps();
  }
   
  /**
  * sets system and application settings
  *
  * @return nothing
  */
  function checkSystem()
  {
  $this->set('PMA_VERSION', '3.5.9-dev');
  /**
  * @deprecated
  */
  $this->set('PMA_THEME_VERSION', 2);
  /**
  * @deprecated
  */
  $this->set('PMA_THEME_GENERATION', 2);
   
  $this->checkPhpVersion();
  $this->checkWebServerOs();
  $this->checkWebServer();
  $this->checkGd2();
  $this->checkClient();
  $this->checkUpload();
  $this->checkUploadSize();
  $this->checkOutputCompression();
  }
   
  /**
  * whether to use gzip output compression or not
  *
  * @return nothing
  */
  function checkOutputCompression()
  {
  // If zlib output compression is set in the php configuration file, no
  // output buffering should be run
  if (@ini_get('zlib.output_compression')) {
  $this->set('OBGzip', false);
  }
   
  // disable output-buffering (if set to 'auto') for IE6, else enable it.
  if (strtolower($this->get('OBGzip')) == 'auto') {
  if ($this->get('PMA_USR_BROWSER_AGENT') == 'IE'
  && $this->get('PMA_USR_BROWSER_VER') >= 6
  && $this->get('PMA_USR_BROWSER_VER') < 7
  ) {
  $this->set('OBGzip', false);
  } else {
  $this->set('OBGzip', true);
  }
  }
  }
   
  /**
  * Determines platform (OS), browser and version of the user
  * Based on a phpBuilder article:
  *
  * @see http://www.phpbuilder.net/columns/tim20000821.php
  *
  * @return nothing
  */
  function checkClient()
  {
  if (PMA_getenv('HTTP_USER_AGENT')) {
  $HTTP_USER_AGENT = PMA_getenv('HTTP_USER_AGENT');
  } elseif (! isset($HTTP_USER_AGENT)) {
  $HTTP_USER_AGENT = '';
  }
   
  // 1. Platform
  if (strstr($HTTP_USER_AGENT, 'Win')) {
  $this->set('PMA_USR_OS', 'Win');
  } elseif (strstr($HTTP_USER_AGENT, 'Mac')) {
  $this->set('PMA_USR_OS', 'Mac');
  } elseif (strstr($HTTP_USER_AGENT, 'Linux')) {
  $this->set('PMA_USR_OS', 'Linux');
  } elseif (strstr($HTTP_USER_AGENT, 'Unix')) {
  $this->set('PMA_USR_OS', 'Unix');
  } elseif (strstr($HTTP_USER_AGENT, 'OS/2')) {
  $this->set('PMA_USR_OS', 'OS/2');
  } else {
  $this->set('PMA_USR_OS', 'Other');
  }
   
  // 2. browser and version
  // (must check everything else before Mozilla)
   
  if (preg_match(
  '@Opera(/| )([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version
  )) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[2]);
  $this->set('PMA_USR_BROWSER_AGENT', 'OPERA');
  } elseif (preg_match(
  '@MSIE ([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version
  )) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[1]);
  $this->set('PMA_USR_BROWSER_AGENT', 'IE');
  } elseif (preg_match(
  '@OmniWeb/([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version
  )) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[1]);
  $this->set('PMA_USR_BROWSER_AGENT', 'OMNIWEB');
  // Konqueror 2.2.2 says Konqueror/2.2.2
  // Konqueror 3.0.3 says Konqueror/3
  } elseif (preg_match(
  '@(Konqueror/)(.*)(;)@',
  $HTTP_USER_AGENT,
  $log_version
  )) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[2]);
  $this->set('PMA_USR_BROWSER_AGENT', 'KONQUEROR');
  // must check Chrome before Safari
  } elseif (preg_match(
  '@Mozilla/([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version)
  && preg_match('@Chrome/([0-9]*)@', $HTTP_USER_AGENT, $log_version2)
  ) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[1] . '.' . $log_version2[1]);
  $this->set('PMA_USR_BROWSER_AGENT', 'CHROME');
  // newer Safari
  } elseif (preg_match(
  '@Mozilla/([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version)
  && preg_match('@Version/(.*) Safari@', $HTTP_USER_AGENT, $log_version2)
  ) {
  $this->set('PMA_USR_BROWSER_VER', $log_version2[1]);
  $this->set('PMA_USR_BROWSER_AGENT', 'CHROME');
  // older Safari
  } elseif (preg_match(
  '@Mozilla/([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version)
  && preg_match('@Safari/([0-9]*)@', $HTTP_USER_AGENT, $log_version2)
  ) {
  $this->set('PMA_USR_BROWSER_VER',
  $log_version[1]
  . '.'
  . $log_version2[1]
  );
  $this->set('PMA_USR_BROWSER_AGENT', 'SAFARI');
  } elseif (preg_match('@rv:1.9(.*)Gecko@', $HTTP_USER_AGENT)) {
  $this->set('PMA_USR_BROWSER_VER', '1.9');
  $this->set('PMA_USR_BROWSER_AGENT', 'GECKO');
  } elseif (
  preg_match('@Mozilla/([0-9].[0-9]{1,2})@',
  $HTTP_USER_AGENT,
  $log_version
  )) {
  $this->set('PMA_USR_BROWSER_VER', $log_version[1]);
  $this->set('PMA_USR_BROWSER_AGENT', 'MOZILLA');
  } else {
  $this->set('PMA_USR_BROWSER_VER', 0);
  $this->set('PMA_USR_BROWSER_AGENT', 'OTHER');
  }
  }
   
  /**
  * Whether GD2 is present
  *
  * @return nothing
  */
  function checkGd2()
  {
  if ($this->get('GD2Available') == 'yes') {
  $this->set('PMA_IS_GD2', 1);
  } elseif ($this->get('GD2Available') == 'no') {
  $this->set('PMA_IS_GD2', 0);
  } else {
  if (!@function_exists('imagecreatetruecolor')) {
  $this->set('PMA_IS_GD2', 0);
  } else {
  if (@function_exists('gd_info')) {
  $gd_nfo = gd_info();
  if (strstr($gd_nfo["GD Version"], '2.')) {
  $this->set('PMA_IS_GD2', 1);
  } else {
  $this->set('PMA_IS_GD2', 0);
  }
  } else {
  /* We must do hard way... but almost no chance to execute this */
  ob_start();
  phpinfo(INFO_MODULES); /* Only modules */
  $a = strip_tags(ob_get_contents());
  ob_end_clean();
  /* Get GD version string from phpinfo output */
  if (preg_match('@GD Version[[:space:]]*\(.*\)@', $a, $v)) {
  if (strstr($v, '2.')) {
  $this->set('PMA_IS_GD2', 1);
  } else {
  $this->set('PMA_IS_GD2', 0);
  }
  } else {
  $this->set('PMA_IS_GD2', 0);
  }
  }
  }
  }
  }
   
  /**
  * Whether the Web server php is running on is IIS
  *
  * @return nothing
  */
  function checkWebServer()
  {
  if (PMA_getenv('SERVER_SOFTWARE')
  // some versions return Microsoft-IIS, some Microsoft/IIS
  // we could use a preg_match() but it's slower
  && stristr(PMA_getenv('SERVER_SOFTWARE'), 'Microsoft')
  && stristr(PMA_getenv('SERVER_SOFTWARE'), 'IIS')
  ) {
  $this->set('PMA_IS_IIS', 1);
  } else {
  $this->set('PMA_IS_IIS', 0);
  }
  }
   
  /**
  * Whether the os php is running on is windows or not
  *
  * @return nothing
  */
  function checkWebServerOs()
  {
  // Default to Unix or Equiv
  $this->set('PMA_IS_WINDOWS', 0);
  // If PHP_OS is defined then continue
  if (defined('PHP_OS')) {
  if (stristr(PHP_OS, 'win')) {
  // Is it some version of Windows
  $this->set('PMA_IS_WINDOWS', 1);
  } elseif (stristr(PHP_OS, 'OS/2')) {
  // Is it OS/2 (No file permissions like Windows)
  $this->set('PMA_IS_WINDOWS', 1);
  }
  }
  }
   
  /**
  * detects PHP version
  *
  * @return nothing
  */
  function checkPhpVersion()
  {
  $match = array();
  if (! preg_match(
  '@([0-9]{1,2}).([0-9]{1,2}).([0-9]{1,2})@',
  phpversion(),
  $match
  )) {
  preg_match(
  '@([0-9]{1,2}).([0-9]{1,2})@',
  phpversion(),
  $match
  );
  }
  if (isset($match) && ! empty($match[1])) {
  if (! isset($match[2])) {
  $match[2] = 0;
  }
  if (! isset($match[3])) {
  $match[3] = 0;
  }
  $this->set(
  'PMA_PHP_INT_VERSION',
  (int) sprintf('%d%02d%02d', $match[1], $match[2], $match[3])
  );
  } else {
  $this->set('PMA_PHP_INT_VERSION', 0);
  }
  $this->set('PMA_PHP_STR_VERSION', phpversion());
  }
   
  /**
  * loads default values from default source
  *
  * @return boolean success
  */
  function loadDefaults()
  {
  $cfg = array();
  if (! file_exists($this->default_source)) {
  $this->error_config_default_file = true;
  return false;
  }
  include $this->default_source;
   
  $this->default_source_mtime = filemtime($this->default_source);
   
  $this->default_server = $cfg['Servers'][1];
  unset($cfg['Servers']);
   
  $this->default = $cfg;
  $this->settings = PMA_array_merge_recursive($this->settings, $cfg);
   
  $this->error_config_default_file = false;
   
  return true;
  }
   
  /**
  * loads configuration from $source, usally the config file
  * should be called on object creation
  *
  * @param string $source config file
  *
  * @return bool
  */
  function load($source = null)
  {
  $this->loadDefaults();
   
  if (null !== $source) {
  $this->setSource($source);
  }
   
  if (! $this->checkConfigSource()) {
  return false;
  }
   
  $cfg = array();
   
  /**
  * Parses the configuration file, the eval is used here to avoid
  * problems with trailing whitespace, what is often a problem.
  */
  $old_error_reporting = error_reporting(0);
  $eval_result = eval('?' . '>' . trim(file_get_contents($this->getSource())));
  error_reporting($old_error_reporting);
   
  if ($eval_result === false) {
  $this->error_config_file = true;
  } else {
  $this->error_config_file = false;
  $this->source_mtime = filemtime($this->getSource());
  }
   
  /**
  * Backward compatibility code
  */
  if (!empty($cfg['DefaultTabTable'])) {
  $cfg['DefaultTabTable'] = str_replace(
  '_properties',
  '',
  str_replace(
  'tbl_properties.php',
  'tbl_sql.php',
  $cfg['DefaultTabTable']
  )
  );
  }
  if (!empty($cfg['DefaultTabDatabase'])) {
  $cfg['DefaultTabDatabase'] = str_replace(
  '_details',
  '',
  str_replace(
  'db_details.php',
  'db_sql.php',
  $cfg['DefaultTabDatabase']
  )
  );
  }
   
  $this->settings = PMA_array_merge_recursive($this->settings, $cfg);
  $this->checkPmaAbsoluteUri();
  $this->checkFontsize();
   
  // Handling of the collation must be done after merging of $cfg
  // (from config.inc.php) so that $cfg['DefaultConnectionCollation']
  // can have an effect. Note that the presence of collation
  // information in a cookie has priority over what is defined
  // in the default or user's config files.
  /**
  * @todo check validity of $_COOKIE['pma_collation_connection']
  */
  if (! empty($_COOKIE['pma_collation_connection'])) {
  $this->set(
  'collation_connection',
  strip_tags($_COOKIE['pma_collation_connection'])
  );
  } else {
  $this->set(
  'collation_connection',
  $this->get('DefaultConnectionCollation')
  );
  }
  // Now, a collation information could come from REQUEST
  // (an example of this: the collation selector in main.php)
  // so the following handles the setting of collation_connection
  // and later, in common.inc.php, the cookie will be set
  // according to this.
  $this->checkCollationConnection();
   
  return true;
  }
   
  /**
  * Loads user preferences and merges them with current config
  * must be called after control connection has been estabilished
  *
  * @return boolean
  */
  function loadUserPreferences()
  {
  // index.php should load these settings, so that phpmyadmin.css.php
  // will have everything avaiable in session cache
  $server = isset($GLOBALS['server'])
  ? $GLOBALS['server']
  : (!empty($GLOBALS['cfg']['ServerDefault'])
  ? $GLOBALS['cfg']['ServerDefault']
  : 0);
  $cache_key = 'server_' . $server;
  if ($server > 0 && !defined('PMA_MINIMUM_COMMON')) {
  $config_mtime = max($this->default_source_mtime, $this->source_mtime);
  // cache user preferences, use database only when needed
  if (! isset($_SESSION['cache'][$cache_key]['userprefs'])
  || $_SESSION['cache'][$cache_key]['config_mtime'] < $config_mtime
  ) {
  // load required libraries
  include_once './libraries/user_preferences.lib.php';
  $prefs = PMA_load_userprefs();
  $_SESSION['cache'][$cache_key]['userprefs']
  = PMA_apply_userprefs($prefs['config_data']);
  $_SESSION['cache'][$cache_key]['userprefs_mtime'] = $prefs['mtime'];
  $_SESSION['cache'][$cache_key]['userprefs_type'] = $prefs['type'];
  $_SESSION['cache'][$cache_key]['config_mtime'] = $config_mtime;
  }
  } elseif ($server == 0
  || ! isset($_SESSION['cache'][$cache_key]['userprefs'])
  ) {
  $this->set('user_preferences', false);
  return;
  }
  $config_data = $_SESSION['cache'][$cache_key]['userprefs'];
  // type is 'db' or 'session'
  $this->set(
  'user_preferences',
  $_SESSION['cache'][$cache_key]['userprefs_type']
  );
  $this->set(
  'user_preferences_mtime',
  $_SESSION['cache'][$cache_key]['userprefs_mtime']
  );
   
  // backup some settings
  $org_fontsize = $this->settings['fontsize'];
  // load config array
  $this->settings = PMA_array_merge_recursive($this->settings, $config_data);
  $GLOBALS['cfg'] = PMA_array_merge_recursive($GLOBALS['cfg'], $config_data);
  if (defined('PMA_MINIMUM_COMMON')) {
  return;
  }
   
  // settings below start really working on next page load, but
  // changes are made only in index.php so everything is set when
  // in frames
   
  // save theme
  $tmanager = $_SESSION['PMA_Theme_Manager'];
  if ($tmanager->getThemeCookie() || isset($_REQUEST['set_theme'])) {
  if ((! isset($config_data['ThemeDefault'])
  && $tmanager->theme->getId() != 'original')
  || isset($config_data['ThemeDefault'])
  && $config_data['ThemeDefault'] != $tmanager->theme->getId()
  ) {
  // new theme was set in common.inc.php
  $this->setUserValue(
  null,
  'ThemeDefault',
  $tmanager->theme->getId(),
  'original'
  );
  }
  } else {
  // no cookie - read default from settings
  if ($this->settings['ThemeDefault'] != $tmanager->theme->getId()
  && $tmanager->checkTheme($this->settings['ThemeDefault'])
  ) {
  $tmanager->setActiveTheme($this->settings['ThemeDefault']);
  $tmanager->setThemeCookie();
  }
  }
   
  // save font size
  if ((! isset($config_data['fontsize'])
  && $org_fontsize != '82%')
  || isset($config_data['fontsize'])
  && $org_fontsize != $config_data['fontsize']
  ) {
  $this->setUserValue(null, 'fontsize', $org_fontsize, '82%');
  }
   
  // save language
  if (isset($_COOKIE['pma_lang']) || isset($_POST['lang'])) {
  if ((! isset($config_data['lang'])
  && $GLOBALS['lang'] != 'en')
  || isset($config_data['lang'])
  && $GLOBALS['lang'] != $config_data['lang']
  ) {
  $this->setUserValue(null, 'lang', $GLOBALS['lang'], 'en');
  }
  } else {
  // read language from settings
  if (isset($config_data['lang']) && PMA_langSet($config_data['lang'])) {
  $this->setCookie('pma_lang', $GLOBALS['lang']);
  }
  }
   
  // save connection collation
  if (isset($_COOKIE['pma_collation_connection'])
  || isset($_POST['collation_connection'])
  ) {
  if ((! isset($config_data['collation_connection'])
  && $GLOBALS['collation_connection'] != 'utf8_general_ci')
  || isset($config_data['collation_connection'])
  && $GLOBALS['collation_connection']
  != $config_data['collation_connection']
  ) {
  $this->setUserValue(
  null,
  'collation_connection',
  $GLOBALS['collation_connection'],
  'utf8_general_ci'
  );
  }
  } else {
  // read collation from settings
  if (isset($config_data['collation_connection'])) {
  $GLOBALS['collation_connection']
  = $config_data['collation_connection'];
  $this->setCookie(
  'pma_collation_connection',
  $GLOBALS['collation_connection']
  );
  }
  }
  }
   
  /**
  * Sets config value which is stored in user preferences (if available)
  * or in a cookie.
  *
  * If user preferences are not yet initialized, option is applied to
  * global config and added to a update queue, which is processed
  * by {@link loadUserPreferences()}
  *
  * @param string $cookie_name can be null
  * @param string $cfg_path
  * @param mixed $new_cfg_value new value
  * @param mixed $default_value default value
  *
  * @return nothing
  */
  function setUserValue($cookie_name, $cfg_path, $new_cfg_value, $default_value = null)
  {
  // use permanent user preferences if possible
  $prefs_type = $this->get('user_preferences');
  if ($prefs_type) {
  include_once './libraries/user_preferences.lib.php';
  if ($default_value === null) {
  $default_value = PMA_array_read($cfg_path, $this->default);
  }
  PMA_persist_option($cfg_path, $new_cfg_value, $default_value);
  }
  if ($prefs_type != 'db' && $cookie_name) {
  // fall back to cookies
  if ($default_value === null) {
  $default_value = PMA_array_read($cfg_path, $this->settings);
  }
  $this->setCookie($cookie_name, $new_cfg_value, $default_value);
  }
  PMA_array_write($cfg_path, $GLOBALS['cfg'], $new_cfg_value);
  PMA_array_write($cfg_path, $this->settings, $new_cfg_value);
  }
   
  /**
  * Reads value stored by {@link setUserValue()}
  *
  * @param string $cookie_name cookie name
  * @param mixed $cfg_value config value
  *
  * @return mixed
  */
  function getUserValue($cookie_name, $cfg_value)
  {
  $cookie_exists = isset($_COOKIE) && !empty($_COOKIE[$cookie_name]);
  $prefs_type = $this->get('user_preferences');
  if ($prefs_type == 'db') {
  // permanent user preferences value exists, remove cookie
  if ($cookie_exists) {
  $this->removeCookie($cookie_name);
  }
  } else if ($cookie_exists) {
  return $_COOKIE[$cookie_name];
  }
  // return value from $cfg array
  return $cfg_value;
  }
   
  /**
  * set source
  *
  * @param string $source
  *
  * @return nothing
  */
  function setSource($source)
  {
  $this->source = trim($source);
  }
   
  /**
  * checks if the config folder still exists and terminates app if true
  *
  * @return nothing
  */
  function checkConfigFolder()
  {
  // Refuse to work while there still might be some world writable dir:
  if (is_dir('./config')) {
  die(__('Remove "./config" directory before using phpMyAdmin!'));
  }
  }
   
  /**
  * check config source
  *
  * @return boolean whether source is valid or not
  */
  function checkConfigSource()
  {
  if (! $this->getSource()) {
  // no configuration file set at all
  return false;
  }
   
  if (! file_exists($this->getSource())) {
  $this->source_mtime = 0;
  return false;
  }
   
  if (! is_readable($this->getSource())) {
  $this->source_mtime = 0;
  die(
  sprintf(
  function_exists('__')
  ? __('Existing configuration file (%s) is not readable.')
  : 'Existing configuration file (%s) is not readable.',
  $this->getSource()
  )
  );
  }
   
  return true;
  }
   
  /**
  * verifies the permissions on config file (if asked by configuration)
  * (must be called after config.inc.php has been merged)
  *
  * @return nothing
  */
  function checkPermissions()
  {
  // Check for permissions (on platforms that support it):
  if ($this->get('CheckConfigurationPermissions')) {
  $perms = @fileperms($this->getSource());
  if (!($perms === false) && ($perms & 2)) {
  // This check is normally done after loading configuration
  $this->checkWebServerOs();
  if ($this->get('PMA_IS_WINDOWS') == 0) {
  $this->source_mtime = 0;
  die(__('Wrong permissions on configuration file, should not be world writable!'));
  }
  }
  }
  }
   
  /**
  * returns specific config setting
  *
  * @param string $setting config setting
  *
  * @return mixed value
  */
  function get($setting)
  {
  if (isset($this->settings[$setting])) {
  return $this->settings[$setting];
  }
  return null;
  }
   
  /**
  * sets configuration variable
  *
  * @param string $setting configuration option
  * @param string $value new value for configuration option
  *
  * @return nothing
  */
  function set($setting, $value)
  {
  if (! isset($this->settings[$setting])
  || $this->settings[$setting] != $value
  ) {
  $this->settings[$setting] = $value;
  $this->set_mtime = time();
  }
  }
   
  /**
  * returns source for current config
  *
  * @return string config source
  */
  function getSource()
  {
  return $this->source;
  }
   
  /**
  * returns a unique value to force a CSS reload if either the config
  * or the theme changes
  * must also check the pma_fontsize cookie in case there is no
  * config file
  *
  * @return int Summary of unix timestamps and fontsize,
  * to be unique on theme parameters change
  */
  function getThemeUniqueValue()
  {
  if (null !== $this->get('fontsize')) {
  $fontsize = intval($this->get('fontsize'));
  } elseif (isset($_COOKIE['pma_fontsize'])) {
  $fontsize = intval($_COOKIE['pma_fontsize']);
  } else {
  $fontsize = 0;
  }
  return (
  $fontsize +
  $this->source_mtime +
  $this->default_source_mtime +
  $this->get('user_preferences_mtime') +
  $_SESSION['PMA_Theme']->mtime_info +
  $_SESSION['PMA_Theme']->filesize_info);
  }
   
  /**
  * $cfg['PmaAbsoluteUri'] is a required directive else cookies won't be
  * set properly and, depending on browsers, inserting or updating a
  * record might fail
  *
  * @return bool
  */
  function checkPmaAbsoluteUri()
  {
  // Setup a default value to let the people and lazy sysadmins work anyway,
  // they'll get an error if the autodetect code doesn't work
  $pma_absolute_uri = $this->get('PmaAbsoluteUri');
  $is_https = $this->detectHttps();
   
  if (strlen($pma_absolute_uri) < 5) {
  $url = array();
   
  // If we don't have scheme, we didn't have full URL so we need to
  // dig deeper
  if (empty($url['scheme'])) {
  // Scheme
  if ($is_https) {
  $url['scheme'] = 'https';
  } else {
  $url['scheme'] = 'http';
  }
   
  // Host and port
  if (PMA_getenv('HTTP_HOST')) {
  // Prepend the scheme before using parse_url() since this
  // is not part of the RFC2616 Host request-header
  $parsed_url = parse_url(
  $url['scheme'] . '://' . PMA_getenv('HTTP_HOST')
  );
  if (!empty($parsed_url['host'])) {
  $url = $parsed_url;
  } else {
  $url['host'] = PMA_getenv('HTTP_HOST');
  }
  } elseif (PMA_getenv('SERVER_NAME')) {
  $url['host'] = PMA_getenv('SERVER_NAME');
  } else {
  $this->error_pma_uri = true;
  return false;
  }
   
  // If we didn't set port yet...
  if (empty($url['port']) && PMA_getenv('SERVER_PORT')) {
  $url['port'] = PMA_getenv('SERVER_PORT');
  }
   
  // And finally the path could be already set from REQUEST_URI
  if (empty($url['path'])) {
  $path = parse_url($GLOBALS['PMA_PHP_SELF']);
  $url['path'] = $path['path'];
  }
  }
   
  // Make url from parts we have
  $pma_absolute_uri = $url['scheme'] . '://';
  // Was there user information?
  if (!empty($url['user'])) {
  $pma_absolute_uri .= $url['user'];
  if (!empty($url['pass'])) {
  $pma_absolute_uri .= ':' . $url['pass'];
  }
  $pma_absolute_uri .= '@';
  }
  // Add hostname
  $pma_absolute_uri .= $url['host'];
  // Add port, if it not the default one
  if (! empty($url['port'])
  && (($url['scheme'] == 'http' && $url['port'] != 80)
  || ($url['scheme'] == 'https' && $url['port'] != 443))
  ) {
  $pma_absolute_uri .= ':' . $url['port'];
  }
  // And finally path, without script name, the 'a' is there not to
  // strip our directory, when path is only /pmadir/ without filename.
  // Backslashes returned by Windows have to be changed.
  // Only replace backslashes by forward slashes if on Windows,
  // as the backslash could be valid on a non-Windows system.
  $this->checkWebServerOs();
  if ($this->get('PMA_IS_WINDOWS') == 1) {
  $path = str_replace("\\", "/", dirname($url['path'] . 'a'));
  } else {
  $path = dirname($url['path'] . 'a');
  }
   
  // To work correctly within transformations overview:
  if (defined('PMA_PATH_TO_BASEDIR') && PMA_PATH_TO_BASEDIR == '../../') {
  if ($this->get('PMA_IS_WINDOWS') == 1) {
  $path = str_replace("\\", "/", dirname(dirname($path)));
  } else {
  $path = dirname(dirname($path));
  }
  }
   
  // PHP's dirname function would have returned a dot
  // when $path contains no slash
  if ($path == '.') {
  $path = '';
  }
  // in vhost situations, there could be already an ending slash
  if (substr($path, -1) != '/') {
  $path .= '/';
  }
  $pma_absolute_uri .= $path;
   
  // We used to display a warning if PmaAbsoluteUri wasn't set, but now
  // the autodetect code works well enough that we don't display the
  // warning at all. The user can still set PmaAbsoluteUri manually.
  // See
  // http://sf.net/tracker/?func=detail&aid=1257134&group_id=23067&atid=377411
   
  } else {
  // The URI is specified, however users do often specify this
  // wrongly, so we try to fix this.
   
  // Adds a trailing slash et the end of the phpMyAdmin uri if it
  // does not exist.
  if (substr($pma_absolute_uri, -1) != '/') {
  $pma_absolute_uri .= '/';
  }
   
  // If URI doesn't start with http:// or https://, we will add
  // this.
  if (substr($pma_absolute_uri, 0, 7) != 'http://'
  && substr($pma_absolute_uri, 0, 8) != 'https://'
  ) {
  $pma_absolute_uri
  = ($is_https ? 'https' : 'http')
  . ':' . (substr($pma_absolute_uri, 0, 2) == '//' ? '' : '//')
  . $pma_absolute_uri;
  }
  }
  $this->set('PmaAbsoluteUri', $pma_absolute_uri);
  }
   
  /**
  * check selected collation_connection
  *
  * @todo check validity of $_REQUEST['collation_connection']
  *
  * @return nothing
  */
  function checkCollationConnection()
  {
  if (! empty($_REQUEST['collation_connection'])) {
  $this->set(
  'collation_connection',
  strip_tags($_REQUEST['collation_connection'])
  );
  }
  }
   
  /**
  * checks for font size configuration, and sets font size as requested by user
  *
  * @return nothing
  */
  function checkFontsize()
  {
  $new_fontsize = '';
   
  if (isset($_GET['set_fontsize'])) {
  $new_fontsize = $_GET['set_fontsize'];
  } elseif (isset($_POST['set_fontsize'])) {
  $new_fontsize = $_POST['set_fontsize'];
  } elseif (isset($_COOKIE['pma_fontsize'])) {
  $new_fontsize = $_COOKIE['pma_fontsize'];
  }
   
  if (preg_match('/^[0-9.]+(px|em|pt|\%)$/', $new_fontsize)) {
  $this->set('fontsize', $new_fontsize);
  } elseif (! $this->get('fontsize')) {
  // 80% would correspond to the default browser font size
  // of 16, but use 82% to help read the monoface font
  $this->set('fontsize', '82%');
  }
   
  $this->setCookie('pma_fontsize', $this->get('fontsize'), '82%');
  }
   
  /**
  * checks if upload is enabled
  *
  * @return nothing
  */
  function checkUpload()
  {
  if (ini_get('file_uploads')) {
  $this->set('enable_upload', true);
  // if set "php_admin_value file_uploads Off" in httpd.conf
  // ini_get() also returns the string "Off" in this case:
  if ('off' == strtolower(ini_get('file_uploads'))) {
  $this->set('enable_upload', false);
  }
  } else {
  $this->set('enable_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
  *
  * @return nothing
  */
  function checkUploadSize()
  {
  if (! $filesize = ini_get('upload_max_filesize')) {
  $filesize = "5M";
  }
   
  if ($postsize = ini_get('post_max_size')) {
  $this->set(
  'max_upload_size',
  min(PMA_get_real_size($filesize), PMA_get_real_size($postsize))
  );
  } else {
  $this->set('max_upload_size', PMA_get_real_size($filesize));
  }
  }
   
  /**
  * check for https
  *
  * @return nothing
  */
  function checkIsHttps()
  {
  $this->set('is_https', $this->isHttps());
  }
   
  /**
  * Checks if protocol is https
  *
  * This function checks if the https protocol is used in the PmaAbsoluteUri
  * configuration setting, as opposed to detectHttps() which checks if the
  * https protocol is used on the active connection.
  *
  * @return bool
  */
  public function isHttps()
  {
  static $is_https = null;
   
  if (null !== $is_https) {
  return $is_https;
  }
   
  $url = parse_url($this->get('PmaAbsoluteUri'));
   
  if (isset($url['scheme']) && $url['scheme'] == 'https') {
  $is_https = true;
  } else {
  $is_https = false;
  }
   
  return $is_https;
  }
   
  /**
  * Detects whether https appears to be used.
  *
  * This function checks if the https protocol is used in the current connection
  * with the webserver, based on environment variables.
  * Please note that this just detects what we see, so
  * it completely ignores things like reverse proxies.
  *
  * @return bool
  */
  function detectHttps()
  {
  $is_https = false;
   
  $url = array();
   
  // At first we try to parse REQUEST_URI, it might contain full URL,
  if (PMA_getenv('REQUEST_URI')) {
  // produces E_WARNING if it cannot get parsed, e.g. '/foobar:/'
  $url = @parse_url(PMA_getenv('REQUEST_URI'));
  if ($url === false) {
  $url = array();
  }
  }
   
  // If we don't have scheme, we didn't have full URL so we need to
  // dig deeper
  if (empty($url['scheme'])) {
  // Scheme
  if (PMA_getenv('HTTP_SCHEME')) {
  $url['scheme'] = PMA_getenv('HTTP_SCHEME');
  } elseif (PMA_getenv('HTTPS') && strtolower(PMA_getenv('HTTPS')) == 'on') {
  $url['scheme'] = 'https';
  } elseif (PMA_getenv('HTTP_X_FORWARDED_PROTO')) {
  $url['scheme'] = strtolower(PMA_getenv('HTTP_X_FORWARDED_PROTO'));
  } elseif (PMA_getenv('HTTP_FRONT_END_HTTPS') && strtolower(PMA_getenv('HTTP_FRONT_END_HTTPS')) == 'on') {
  $url['scheme'] = 'https';
  } else {
  $url['scheme'] = 'http';
  }
  }
   
  if (isset($url['scheme']) && $url['scheme'] == 'https') {
  $is_https = true;
  } else {
  $is_https = false;
  }
   
  return $is_https;
  }
   
  /**
  * detect correct cookie path
  *
  * @return nothing
  */
  function checkCookiePath()
  {
  $this->set('cookie_path', $this->getCookiePath());
  }
   
  /**
  * Get cookie path
  *
  * @return string
  */
  public function getCookiePath()
  {
  static $cookie_path = null;
   
  if (null !== $cookie_path) {
  return $cookie_path;
  }
   
  $parsed_url = parse_url($this->get('PmaAbsoluteUri'));
   
  $cookie_path = $parsed_url['path'];
   
  return $cookie_path;
  }
   
  /**
  * enables backward compatibility
  *
  * @return nothing
  */
  function enableBc()
  {
  $GLOBALS['cfg'] = $this->settings;
  $GLOBALS['default_server'] = $this->default_server;
  unset($this->default_server);
  $GLOBALS['collation_connection'] = $this->get('collation_connection');
  $GLOBALS['is_upload'] = $this->get('enable_upload');
  $GLOBALS['max_upload_size'] = $this->get('max_upload_size');
  $GLOBALS['cookie_path'] = $this->get('cookie_path');
  $GLOBALS['is_https'] = $this->get('is_https');
   
  $defines = array(
  'PMA_VERSION',
  'PMA_THEME_VERSION',
  'PMA_THEME_GENERATION',
  'PMA_PHP_STR_VERSION',
  'PMA_PHP_INT_VERSION',
  'PMA_IS_WINDOWS',
  'PMA_IS_IIS',
  'PMA_IS_GD2',
  'PMA_USR_OS',
  'PMA_USR_BROWSER_VER',
  'PMA_USR_BROWSER_AGENT'
  );
   
  foreach ($defines as $define) {
  if (! defined($define)) {
  define($define, $this->get($define));
  }
  }
  }
   
  /**
  * @todo finish
  *
  * @return nothing
  */
  function save()
  {
  }
   
  /**
  * returns options for font size selection
  *
  * @static
  * @param string $current_size current selected font size with unit
  *
  * @return array selectable font sizes
  */
  static protected function _getFontsizeOptions($current_size = '82%')
  {
  $unit = preg_replace('/[0-9.]*/', '', $current_size);
  $value = preg_replace('/[^0-9.]*/', '', $current_size);
   
  $factors = array();
  $options = array();
  $options["$value"] = $value . $unit;
   
  if ($unit === '%') {
  $factors[] = 1;
  $factors[] = 5;
  $factors[] = 10;
  } elseif ($unit === 'em') {
  $factors[] = 0.05;
  $factors[] = 0.2;
  $factors[] = 1;
  } elseif ($unit === 'pt') {
  $factors[] = 0.5;
  $factors[] = 2;
  } elseif ($unit === 'px') {
  $factors[] = 1;
  $factors[] = 5;
  $factors[] = 10;
  } else {
  //unknown font size unit
  $factors[] = 0.05;
  $factors[] = 0.2;
  $factors[] = 1;
  $factors[] = 5;
  $factors[] = 10;
  }
   
  foreach ($factors as $key => $factor) {
  $option_inc = $value + $factor;
  $option_dec = $value - $factor;
  while (count($options) < 21) {
  $options["$option_inc"] = $option_inc . $unit;
  if ($option_dec > $factors[0]) {
  $options["$option_dec"] = $option_dec . $unit;
  }
  $option_inc += $factor;
  $option_dec -= $factor;
  if (isset($factors[$key + 1])
  && $option_inc >= $value + $factors[$key + 1]
  ) {
  break;
  }
  }
  }
  ksort($options);
  return $options;
  }
   
  /**
  * returns html selectbox for font sizes
  *
  * @static
  * @param string $current_size currently slected font size with unit
  *
  * @return string html selectbox
  */
  static protected function _getFontsizeSelection()
  {
  $current_size = $GLOBALS['PMA_Config']->get('fontsize');
  // for the case when there is no config file (this is supported)
  if (empty($current_size)) {
  if (isset($_COOKIE['pma_fontsize'])) {
  $current_size = $_COOKIE['pma_fontsize'];
  } else {
  $current_size = '82%';
  }
  }
  $options = PMA_Config::_getFontsizeOptions($current_size);
   
  $return = '<label for="select_fontsize">' . __('Font size') . ':</label>' . "\n";
  $return .= '<select name="set_fontsize" id="select_fontsize" class="autosubmit">' . "\n";
  foreach ($options as $option) {
  $return .= '<option value="' . $option . '"';
  if ($option == $current_size) {
  $return .= ' selected="selected"';
  }
  $return .= '>' . $option . '</option>' . "\n";
  }
  $return .= '</select>';
   
  return $return;
  }
   
  /**
  * return complete font size selection form
  *
  * @static
  * @param string $current_size currently slected font size with unit
  *
  * @return string html selectbox
  */
  static public function getFontsizeForm()
  {
  return '<form name="form_fontsize_selection" id="form_fontsize_selection"'
  . ' method="post" action="index.php" target="_parent">' . "\n"
  . PMA_generate_common_hidden_inputs() . "\n"
  . PMA_Config::_getFontsizeSelection() . "\n"
  . '<noscript>' . "\n"
  . '<input type="submit" value="' . __('Go') . '" />' . "\n"
  . '</noscript>' . "\n"
  . '</form>';
  }
   
  /**
  * removes cookie
  *
  * @param string $cookie name of cookie to remove
  *
  * @return boolean result of setcookie()
  */
  function removeCookie($cookie)
  {
  if (defined('TESTSUITE')) {
  if (isset($_COOKIE[$cookie])) {
  unset($_COOKIE[$cookie]);
  }
  return true;
  }
  return setcookie(
  $cookie,
  '',
  time() - 3600,
  $this->getCookiePath(),
  '',
  $this->isHttps()
  );
  }
   
  /**
  * sets cookie if value is different from current cokkie value,
  * or removes if value is equal to default
  *
  * @param string $cookie name of cookie to remove
  * @param mixed $value new cookie value
  * @param string $default default value
  * @param int $validity validity of cookie in seconds (default is one month)
  * @param bool $httponly whether cookie is only for HTTP (and not for scripts)
  *
  * @return boolean result of setcookie()
  */
  function setCookie($cookie, $value, $default = null, $validity = null, $httponly = true)
  {
  if ($validity === null) {
  $validity = 2592000;
  }
  if (strlen($value) && null !== $default && $value === $default) {
  // default value is used
  if (isset($_COOKIE[$cookie])) {
  // remove cookie
  return $this->removeCookie($cookie);
  }
  return false;
  }
   
  if (! strlen($value) && isset($_COOKIE[$cookie])) {
  // remove cookie, value is empty
  return $this->removeCookie($cookie);
  }
   
  if (! isset($_COOKIE[$cookie]) || $_COOKIE[$cookie] !== $value) {
  // set cookie with new value
  /* Calculate cookie validity */
  if ($validity == 0) {
  $v = 0;
  } else {
  $v = time() + $validity;
  }
  if (defined('TESTSUITE')) {
  $_COOKIE[$cookie] = $value;
  return true;
  }
  return setcookie(
  $cookie,
  $value,
  $v,
  $this->getCookiePath(),
  '',
  $this->isHttps(),
  $httponly
  );
  }
   
  // cookie has already $value as value
  return true;
  }
  }
  ?>
posted on 2014-12-30 17:16  五行缺肉  阅读(1234)  评论(0编辑  收藏  举报