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/libraries/ -> select_lang.lib.php (source)

   1  <?php
   2  /* $Id: select_lang.lib.php 10430 2007-06-10 19:28:56Z lem9 $ */
   3  // vim: expandtab sw=4 ts=4 sts=4:
   4  
   5  /**
   6   * phpMyAdmin Language Loading File
   7   */
   8  
   9  /**
  10   * trys to find the language to use
  11   *
  12   * @uses    $GLOBALS['cfg']['lang']
  13   * @uses    $GLOBALS['cfg']['DefaultLang']
  14   * @uses    $GLOBALS['lang_failed_cfg']
  15   * @uses    $GLOBALS['lang_failed_cookie']
  16   * @uses    $GLOBALS['lang_failed_request']
  17   * @uses    $_REQUEST['lang']
  18   * @uses    $_COOKIE['pma_lang']
  19   * @uses    $_SERVER['HTTP_ACCEPT_LANGUAGE']
  20   * @uses    $_SERVER['HTTP_USER_AGENT']
  21   * @uses    PMA_langSet()
  22   * @uses    PMA_langDetect()
  23   * @uses    explode()
  24   * @return  bool    success if valid lang is found, otherwise false
  25   */
  26  function PMA_langCheck()
  27  {
  28      // check forced language
  29      if (! empty($GLOBALS['cfg']['Lang'])) {
  30          if (PMA_langSet($GLOBALS['cfg']['Lang'])) {
  31              return true;
  32          } else {
  33              $GLOBALS['lang_failed_cfg'] = $GLOBALS['cfg']['Lang'];
  34          }
  35      }
  36  
  37      // Don't use REQUEST in following code as it might be confused by cookies with same name
  38      // check user requested language (POST)
  39      if (! empty($_POST['lang'])) {
  40          if (PMA_langSet($_POST['lang'])) {
  41              return true;
  42          } elseif (!is_string($_POST['lang'])) {
  43              /* Faked request, don't care on localisation */
  44              $GLOBALS['lang_failed_request'] = 'Yes';
  45          } else {
  46              $GLOBALS['lang_failed_request'] = $_POST['lang'];
  47          }
  48      }
  49  
  50      // check user requested language (GET)
  51      if (! empty($_GET['lang'])) {
  52          if (PMA_langSet($_GET['lang'])) {
  53              return true;
  54          } elseif (!is_string($_GET['lang'])) {
  55              /* Faked request, don't care on localisation */
  56              $GLOBALS['lang_failed_request'] = 'Yes';
  57          } else {
  58              $GLOBALS['lang_failed_request'] = $_GET['lang'];
  59          }
  60      }
  61  
  62      // check previous set language
  63      if (! empty($_COOKIE['pma_lang'])) {
  64          if (PMA_langSet($_COOKIE['pma_lang'])) {
  65              return true;
  66          } elseif (!is_string($_COOKIE['lang'])) {
  67              /* Faked request, don't care on localisation */
  68              $GLOBALS['lang_failed_request'] = 'Yes';
  69          } else {
  70              $GLOBALS['lang_failed_cookie'] = $_COOKIE['pma_lang'];
  71          }
  72      }
  73  
  74      // try to findout user's language by checking its HTTP_ACCEPT_LANGUAGE variable
  75      if (PMA_getenv('HTTP_ACCEPT_LANGUAGE')) {
  76          foreach (explode(',', PMA_getenv('HTTP_ACCEPT_LANGUAGE')) as $lang) {
  77              if (PMA_langDetect($lang, 1)) {
  78                  return true;
  79              }
  80          }
  81      }
  82  
  83      // try to findout user's language by checking its HTTP_USER_AGENT variable
  84      if (PMA_langDetect(PMA_getenv('HTTP_USER_AGENT'), 2)) {
  85          return true;
  86      }
  87  
  88      // Didn't catch any valid lang : we use the default settings
  89      if (PMA_langSet($GLOBALS['cfg']['DefaultLang'])) {
  90          return true;
  91      }
  92  
  93      return false;
  94  }
  95  
  96  /**
  97   * checks given lang and sets it if valid
  98   * returns true on success, otherwise flase
  99   *
 100   * @uses    $GLOBALS['available_languages'] to check $lang
 101   * @uses    $GLOBALS['lang']                to set it
 102   * @param   string  $lang   language to set
 103   * @return  bool    success
 104   */
 105  function PMA_langSet(&$lang)
 106  {
 107      if (!is_string($lang) || empty($lang) || empty($GLOBALS['available_languages'][$lang])) {
 108          return false;
 109      }
 110      $GLOBALS['lang'] = $lang;
 111      return true;
 112  }
 113  
 114  /**
 115   * Analyzes some PHP environment variables to find the most probable language
 116   * that should be used
 117   *
 118   * @param   string   string to analyze
 119   * @param   integer  type of the PHP environment variable which value is $str
 120   *
 121   * @return  bool    true on success, otherwise false
 122   *
 123   * @global  $available_languages
 124   *
 125   * @access  private
 126   */
 127  function PMA_langDetect(&$str, $envType)
 128  {
 129      if (empty($str)) {
 130          return false;
 131      }
 132      if (empty($GLOBALS['available_languages'])) {
 133          return false;
 134      }
 135  
 136      foreach ($GLOBALS['available_languages'] as $lang => $value) {
 137          // $envType =  1 for the 'HTTP_ACCEPT_LANGUAGE' environment variable,
 138          //             2 for the 'HTTP_USER_AGENT' one
 139          $expr = $value[0];
 140          if (strpos($expr, '[-_]') === FALSE) {
 141              $expr = str_replace('|', '([-_][[:alpha:]]{2,3})?|', $expr);
 142          }
 143          if (($envType == 1 && eregi('^(' . $expr . ')(;q=[0-9]\\.[0-9])?$', $str))
 144              || ($envType == 2 && eregi('(\(|\[|;[[:space:]])(' . $expr . ')(;|\]|\))', $str))) {
 145              if (PMA_langSet($lang)) {
 146                  return true;
 147              }
 148          }
 149      }
 150  
 151      return false;
 152  } // end of the 'PMA_langDetect()' function
 153  
 154  /**
 155   * @var string  path to the translations directory
 156   */
 157  $lang_path = './lang/';
 158  
 159  /**
 160   * first check for lang dir exists
 161   */
 162  if (! is_dir($lang_path)) {
 163      // language directory not found
 164      trigger_error('phpMyAdmin-ERROR: path not found: '
 165          . $lang_path . ', check your language directory.',
 166          E_USER_WARNING);
 167      // and tell the user
 168      PMA_sendHeaderLocation('error.php?error='
 169          . urlencode( 'path to languages is invalid: ' . $lang_path));
 170      // stop execution
 171      exit;
 172  }
 173  
 174  /**
 175   * @var string  interface language
 176   */
 177  $GLOBALS['lang'] = '';
 178  /**
 179   * @var boolean wether loading lang from cfg failed
 180   */
 181  $lang_failed_cfg = false;
 182  /**
 183   * @var boolean wether loading lang from cookie failed
 184   */
 185  $lang_failed_cookie = false;
 186  /**
 187   * @var boolean wether loading lang from user request failed
 188   */
 189  $lang_failed_request = false;
 190  
 191  
 192  /**
 193   * All the supported languages have to be listed in the array below.
 194   * 1. The key must be the "official" ISO 639 language code and, if required,
 195   *    the dialect code. It can also contain some informations about the
 196   *    charset (see the Russian case).
 197   * 2. The first of the values associated to the key is used in a regular
 198   *    expression to find some keywords corresponding to the language inside two
 199   *    environment variables.
 200   *    These values contains:
 201   *    - the "official" ISO language code and, if required, the dialect code
 202   *      also ('bu' for Bulgarian, 'fr([-_][[:alpha:]]{2})?' for all French
 203   *      dialects, 'zh[-_]tw' for Chinese traditional...), the dialect has to
 204   *      be specified as first;
 205   *    - the '|' character (it means 'OR');
 206   *    - the full language name.
 207   * 3. The second values associated to the key is the name of the file to load
 208   *    without the 'inc.php' extension.
 209   * 4. The third values associated to the key is the language code as defined by
 210   *    the RFC1766.
 211   * 5. The fourth value is native name in html entities.
 212   *
 213   * Beware that the sorting order (first values associated to keys by
 214   * alphabetical reverse order in the array) is important: 'zh-tw' (chinese
 215   * traditional) must be detected before 'zh' (chinese simplified) for
 216   * example.
 217   *
 218   * When there are more than one charset for a language, we put the -utf-8
 219   * last because we need the default charset to be non-utf-8 to avoid
 220   * problems on MySQL < 4.1.x if AllowAnywhereRecoding is FALSE.
 221   *
 222   * For Russian, we put 1251 first, because MSIE does not accept 866
 223   * and users would not see anything.
 224   */
 225  $available_languages = array(
 226      'af-utf-8'          => array('af|afrikaans', 'afrikaans-utf-8', 'af', ''),
 227      'ar-utf-8'          => array('ar|arabic', 'arabic-utf-8', 'ar', '&#1575;&#1604;&#1593;&#1585;&#1576;&#1610;&#1577;'),
 228      'az-utf-8'          => array('az|azerbaijani', 'azerbaijani-utf-8', 'az', 'Az&#601;rbaycanca'),
 229      'becyr-utf-8'       => array('be|belarusian', 'belarusian_cyrillic-utf-8', 'be', '&#1041;&#1077;&#1083;&#1072;&#1088;&#1091;&#1089;&#1082;&#1072;&#1103;'),
 230      'belat-utf-8'       => array('be[-_]lat|belarusian latin', 'belarusian_latin-utf-8', 'be-lat', 'Byelorussian'),
 231      'bg-utf-8'          => array('bg|bulgarian', 'bulgarian-utf-8', 'bg', '&#1041;&#1098;&#1083;&#1075;&#1072;&#1088;&#1089;&#1082;&#1080;'),
 232      'bs-utf-8'          => array('bs|bosnian', 'bosnian-utf-8', 'bs', 'Bosanski'),
 233      'ca-utf-8'          => array('ca|catalan', 'catalan-utf-8', 'ca', 'Catal&agrave;'),
 234      'cs-utf-8'          => array('cs|czech', 'czech-utf-8', 'cs', '&#268;esky'),
 235      'da-utf-8'          => array('da|danish', 'danish-utf-8', 'da', 'Dansk'),
 236      'de-utf-8'          => array('de|german', 'german-utf-8', 'de', 'Deutsch'),
 237      'el-utf-8'          => array('el|greek',  'greek-utf-8', 'el', '&Epsilon;&lambda;&lambda;&eta;&nu;&iota;&kappa;&#940;'),
 238      'en-utf-8'          => array('en|english',  'english-utf-8', 'en', ''),
 239      'es-utf-8'          => array('es|spanish', 'spanish-utf-8', 'es', 'Espa&ntilde;ol'),
 240      'et-utf-8'          => array('et|estonian', 'estonian-utf-8', 'et', 'Eesti'),
 241      'eu-utf-8'          => array('eu|basque', 'basque-utf-8', 'eu', 'Euskara'),
 242      'fa-utf-8'          => array('fa|persian', 'persian-utf-8', 'fa', '&#1601;&#1575;&#1585;&#1587;&#1740;'),
 243      'fi-utf-8'          => array('fi|finnish', 'finnish-utf-8', 'fi', 'Suomi'),
 244      'fr-utf-8'          => array('fr|french', 'french-utf-8', 'fr', 'Fran&ccedil;ais'),
 245      'gl-utf-8'          => array('gl|galician', 'galician-utf-8', 'gl', 'Galego'),
 246      'he-utf-8'          => array('he|hebrew', 'hebrew-utf-8', 'he', '&#1506;&#1489;&#1512;&#1497;&#1514;'),
 247      'hi-utf-8'          => array('hi|hindi', 'hindi-utf-8', 'hi', '&#2361;&#2367;&#2344;&#2381;&#2342;&#2368;'),
 248      'hr-utf-8'          => array('hr|croatian', 'croatian-utf-8', 'hr', 'Hrvatski'),
 249      'hu-utf-8'          => array('hu|hungarian', 'hungarian-utf-8', 'hu', 'Magyar'),
 250      'id-utf-8'          => array('id|indonesian', 'indonesian-utf-8', 'id', 'Bahasa Indonesia'),
 251      'it-utf-8'          => array('it|italian', 'italian-utf-8', 'it', 'Italiano'),
 252      'ja-utf-8'          => array('ja|japanese', 'japanese-utf-8', 'ja', '&#26085;&#26412;&#35486;'),
 253      'ko-utf-8'          => array('ko|korean', 'korean-utf-8', 'ko', '&#54620;&#44397;&#50612;'),
 254      'ka-utf-8'          => array('ka|georgian', 'georgian-utf-8', 'ka', '&#4325;&#4304;&#4320;&#4311;&#4323;&#4314;&#4312;'),
 255      'lt-utf-8'          => array('lt|lithuanian', 'lithuanian-utf-8', 'lt', 'Lietuvi&#371;'),
 256      'lv-utf-8'          => array('lv|latvian', 'latvian-utf-8', 'lv', 'Latvie&scaron;u'),
 257      'mn-utf-8'          => array('mn|mongolian', 'mongolian-utf-8', 'mn', '&#1052;&#1086;&#1085;&#1075;&#1086;&#1083;'),
 258      'ms-utf-8'          => array('ms|malay', 'malay-utf-8', 'ms', 'Bahasa Melayu'),
 259      'nl-utf-8'          => array('nl|dutch', 'dutch-utf-8', 'nl', 'Nederlands'),
 260      'no-utf-8'          => array('no|norwegian', 'norwegian-utf-8', 'no', 'Norsk'),
 261      'pl-utf-8'          => array('pl|polish', 'polish-utf-8', 'pl', 'Polski'),
 262      'ptbr-utf-8'        => array('pt[-_]br|brazilian portuguese', 'brazilian_portuguese-utf-8', 'pt-BR', 'Portugu&ecirc;s'),
 263      'pt-utf-8'          => array('pt|portuguese', 'portuguese-utf-8', 'pt', 'Portugu&ecirc;s'),
 264      'ro-utf-8'          => array('ro|romanian', 'romanian-utf-8', 'ro', 'Rom&acirc;n&#259;'),
 265      'ru-utf-8'          => array('ru|russian', 'russian-utf-8', 'ru', '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;'),
 266      'sk-utf-8'          => array('sk|slovak', 'slovak-utf-8', 'sk', 'Sloven&#269;ina'),
 267      'sl-utf-8'          => array('sl|slovenian', 'slovenian-utf-8', 'sl', 'Sloven&scaron;&#269;ina'),
 268      'sq-utf-8'          => array('sq|albanian', 'albanian-utf-8', 'sq', 'Shqip'),
 269      'srlat-utf-8'       => array('sr[-_]lat|serbian latin', 'serbian_latin-utf-8', 'sr-lat', 'Srpski'),
 270      'srcyr-utf-8'       => array('sr|serbian', 'serbian_cyrillic-utf-8', 'sr', '&#1057;&#1088;&#1087;&#1089;&#1082;&#1080;'),
 271      'sv-utf-8'          => array('sv|swedish', 'swedish-utf-8', 'sv', 'Svenska'),
 272      'th-utf-8'          => array('th|thai', 'thai-utf-8', 'th', '&#3616;&#3634;&#3625;&#3634;&#3652;&#3607;&#3618;'),
 273      'tr-utf-8'          => array('tr|turkish', 'turkish-utf-8', 'tr', 'T&uuml;rk&ccedil;e'),
 274      'tt-utf-8'          => array('tt|tatarish', 'tatarish-utf-8', 'tt', 'Tatar&ccedil;a'),
 275      'uk-utf-8'          => array('uk|ukrainian', 'ukrainian-utf-8', 'uk', '&#1059;&#1082;&#1088;&#1072;&#1111;&#1085;&#1089;&#1100;&#1082;&#1072;'),
 276      'zhtw-utf-8'        => array('zh[-_](tw|hk)|chinese traditional', 'chinese_traditional-utf-8', 'zh-TW', '&#20013;&#25991;'),
 277      'zh-utf-8'          => array('zh|chinese simplified', 'chinese_simplified-utf-8', 'zh', '&#20013;&#25991;'),
 278  );
 279  
 280  // Language filtering support
 281  if (! empty($GLOBALS['cfg']['FilterLanguages'])) {
 282      $new_lang = array();
 283      foreach ($available_languages as $key => $val) {
 284          if (preg_match('@' . $GLOBALS['cfg']['FilterLanguages'] . '@', $key)) {
 285              $new_lang[$key] = $val;
 286          }
 287      }
 288      if (count($new_lang) > 0) {
 289          $available_languages = $new_lang;
 290      }
 291      unset($key, $val, $new_lang);
 292  }
 293  
 294  /**
 295   * check for language files
 296   */
 297  foreach ($available_languages as $each_lang_key => $each_lang) {
 298      if (! file_exists($lang_path . $each_lang[1] . '.inc.php')) {
 299          unset($available_languages[$each_lang_key]);
 300      }
 301  }
 302  unset($each_lang_key, $each_lang);
 303  
 304  // MySQL charsets map
 305  $mysql_charset_map = array(
 306      'big5'         => 'big5',
 307      'cp-866'       => 'cp866',
 308      'euc-jp'       => 'ujis',
 309      'euc-kr'       => 'euckr',
 310      'gb2312'       => 'gb2312',
 311      'gbk'          => 'gbk',
 312      'iso-8859-1'   => 'latin1',
 313      'iso-8859-2'   => 'latin2',
 314      'iso-8859-7'   => 'greek',
 315      'iso-8859-8'   => 'hebrew',
 316      'iso-8859-8-i' => 'hebrew',
 317      'iso-8859-9'   => 'latin5',
 318      'iso-8859-13'  => 'latin7',
 319      'iso-8859-15'  => 'latin1',
 320      'koi8-r'       => 'koi8r',
 321      'shift_jis'    => 'sjis',
 322      'tis-620'      => 'tis620',
 323      'utf-8'        => 'utf8',
 324      'windows-1250' => 'cp1250',
 325      'windows-1251' => 'cp1251',
 326      'windows-1252' => 'latin1',
 327      'windows-1256' => 'cp1256',
 328      'windows-1257' => 'cp1257',
 329  );
 330  
 331  /**
 332   * Do the work!
 333   */
 334  // Checks whether charset recoding should be allowed or not
 335  $allow_recoding = FALSE; // Default fallback value
 336  if (empty($convcharset)) {
 337      if (isset($_COOKIE['pma_charset'])) {
 338          $convcharset = $_COOKIE['pma_charset'];
 339      } else {
 340          // session.save_path might point to a bad folder
 341          $convcharset = isset($GLOBALS['cfg']['DefaultCharset']) ? $GLOBALS['cfg']['DefaultCharset'] : 'en-utf-8';
 342      }
 343  }
 344  
 345  if (! PMA_langCheck()) {
 346      // fallback language
 347      $fall_back_lang = 'en-utf-8'; $line = __LINE__;
 348      if (! PMA_langSet($fall_back_lang)) {
 349          trigger_error('phpMyAdmin-ERROR: invalid lang code: '
 350              . __FILE__ . '#' . $line . ', check hard coded fall back language.',
 351              E_USER_WARNING);
 352          // stop execution
 353          // and tell the user that his choosen language is invalid
 354          PMA_sendHeaderLocation('error.php?error='
 355              . urlencode('Could not load any language, please check your language settings and folder'));
 356          exit;
 357      }
 358  }
 359  
 360  // Defines the associated filename and load the translation
 361  $lang_file = $lang_path . $available_languages[$GLOBALS['lang']][1] . '.inc.php';
 362  require_once $lang_file;
 363  
 364  // now, that we have loaded the language strings we can send the errors
 365  if ($lang_failed_cfg) {
 366      $GLOBALS['PMA_errors'][] = sprintf($strLanguageUnknown, htmlspecialchars($lang_failed_cfg));
 367  }
 368  if ($lang_failed_cookie) {
 369      $GLOBALS['PMA_errors'][] = sprintf($strLanguageUnknown, htmlspecialchars($lang_failed_cookie));
 370  }
 371  if ($lang_failed_request) {
 372      $GLOBALS['PMA_errors'][] = sprintf($strLanguageUnknown, htmlspecialchars($lang_failed_request));
 373  }
 374  
 375  unset($line, $fall_back_lang,
 376      $lang_failed_cfg, $lang_failed_cookie, $lang_failed_request, $strLanguageUnknown);
 377  ?>


Généré le : Mon Nov 26 15:18:20 2007 par Balluche grâce à PHPXref 0.7
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