- * @subpackage i18n
- */
-
-/** Everything uses global.php... */
-require_once(SM_PATH . 'functions/global.php');
-
-/**
- * Gettext bindtextdomain wrapper.
- *
- * Wrapper solves differences between php versions in order to provide
- * ngettext support. Should be used if translation uses ngettext
- * functions.
- * @since 1.5.1
- * @param string $domain gettext domain name
- * @param string $dir directory that contains all translations
- * @return string path to translation directory
- */
-function sq_bindtextdomain($domain,$dir) {
- global $l10n, $gettext_flags, $sm_notAlias;
-
- if ($gettext_flags==7) {
- // gettext extension without ngettext
- if (substr($dir, -1) != '/') $dir .= '/';
- $mofile=$dir . $sm_notAlias . '/LC_MESSAGES/' . $domain . '.mo';
- $input = new FileReader($mofile);
- $l10n[$domain] = new gettext_reader($input);
- }
-
- $dir=bindtextdomain($domain,$dir);
-
- return $dir;
-}
-
-/**
- * Gettext textdomain wrapper.
- * Makes sure that gettext_domain global is modified.
- * @since 1.5.1
- * @param string $name gettext domain name
- * @return string gettext domain name
- */
-function sq_textdomain($domain) {
- global $gettext_domain;
- $gettext_domain=textdomain($domain);
- return $gettext_domain;
-}
-
-/**
- * Converts string from given charset to charset, that can be displayed by user translation.
- *
- * Function by default returns html encoded strings, if translation uses different encoding.
- * If Japanese translation is used - function returns string converted to euc-jp
- * If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
- * If $charset is not supported - function returns unconverted string.
- *
- * sanitizing of html tags is also done by this function.
- *
- * @param string $charset
- * @param string $string Text to be decoded
- * @return string decoded string
- */
-function charset_decode ($charset, $string) {
- global $languages, $squirrelmail_language, $default_charset;
- global $use_php_recode, $use_php_iconv, $aggressive_decoding;
-
- if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
- $string = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $string);
- }
-
- $charset = strtolower($charset);
-
- set_my_charset();
-
- // Variables that allow to use functions without function_exist() calls
- if (! isset($use_php_recode) || $use_php_recode=="" ) {
- $use_php_recode=false; }
- if (! isset($use_php_iconv) || $use_php_iconv=="" ) {
- $use_php_iconv=false; }
-
- // Don't do conversion if charset is the same.
- if ( $charset == strtolower($default_charset) )
- return htmlspecialchars($string);
-
- // catch iso-8859-8-i thing
- if ( $charset == "iso-8859-8-i" )
- $charset = "iso-8859-8";
-
- /*
- * Recode converts html special characters automatically if you use
- * 'charset..html' decoding. There is no documented way to put -d option
- * into php recode function call.
- */
- if ( $use_php_recode ) {
- if ( $default_charset == "utf-8" ) {
- // other charsets can be converted to utf-8 without loss.
- // and output string is smaller
- $string = recode_string($charset . "..utf-8",$string);
- return htmlspecialchars($string);
- } else {
- $string = recode_string($charset . "..html",$string);
- // recode does not convert single quote, htmlspecialchars does.
- $string = str_replace("'", ''', $string);
- return $string;
- }
- }
-
- // iconv functions does not have html target and can be used only with utf-8
- if ( $use_php_iconv && $default_charset=='utf-8') {
- $string = iconv($charset,$default_charset,$string);
- return htmlspecialchars($string);
- }
-
- // If we don't use recode and iconv, we'll do it old way.
-
- /* All HTML special characters are 7 bit and can be replaced first */
-
- $string = htmlspecialchars ($string);
-
- /* controls cpu and memory intensive decoding cycles */
- if (! isset($aggressive_decoding) || $aggressive_decoding=="" ) {
- $aggressive_decoding=false; }
-
- $decode=fixcharset($charset);
- $decodefile=SM_PATH . 'functions/decode/' . $decode . '.php';
- if (file_exists($decodefile)) {
- include_once($decodefile);
- $ret = call_user_func('charset_decode_'.$decode, $string);
- } else {
- $ret = $string;
- }
- return( $ret );
-}
-
-/**
- * Converts html string to given charset
- * @since 1.5.1
- * @param string $string
- * @param string $charset
- * @param boolean $htmlencode keep htmlspecialchars encoding
- * @param string
- */
-function charset_encode($string,$charset,$htmlencode=true) {
- global $default_charset;
-
- // Undo html special chars
- if (! $htmlencode ) {
- $string = str_replace(array('&','>','<','"'),array('&','>','<','"'),$string);
- }
-
- $encode=fixcharset($charset);
- $encodefile=SM_PATH . 'functions/encode/' . $encode . '.php';
- if (file_exists($encodefile)) {
- include_once($encodefile);
- $ret = call_user_func('charset_encode_'.$encode, $string);
- } else {
- include_once(SM_PATH . 'functions/encode/us_ascii.php');
- $ret = charset_encode_us_ascii($string);
- }
- return( $ret );
-}
-
-/**
- * Combined decoding and encoding functions
- *
- * If conversion is done to charset different that utf-8, unsupported symbols
- * will be replaced with question marks.
- * @since 1.5.1
- * @param string $in_charset initial charset
- * @param string $string string that has to be converted
- * @param string $out_charset final charset
- * @param boolean $htmlencode keep htmlspecialchars encoding
- * @return string converted string
- */
-function charset_convert($in_charset,$string,$out_charset,$htmlencode=true) {
- $string=charset_decode($in_charset,$string);
- $string=charset_encode($string,$out_charset,$htmlencode);
- return $string;
-}
-
-/**
- * Makes charset name suitable for decoding cycles
- *
- * @since 1.5.0
- * @param string $charset Name of charset
- * @return string $charset Adjusted name of charset
- */
-function fixcharset($charset) {
- // minus removed from function names
- $charset=str_replace('-','_',$charset);
-
- // windows-125x and cp125x charsets
- $charset=str_replace('windows_','cp',$charset);
-
- // ibm > cp
- $charset=str_replace('ibm','cp',$charset);
-
- // iso-8859-8-i -> iso-8859-8
- // use same cycle until I'll find differences
- $charset=str_replace('iso_8859_8_i','iso_8859_8',$charset);
-
- return $charset;
-}
-
-/**
- * Set up the language to be output
- * if $do_search is true, then scan the browser information
- * for a possible language that we know
- *
- * Function sets system locale environment (LC_ALL, LANG, LANGUAGE),
- * gettext translation bindings and html header information.
- *
- * Function returns error codes, if there is some fatal error.
- * 0 = no error,
- * 1 = mbstring support is not present,
- * 2 = mbstring support is not present, user's translation reverted to en_US.
- *
- * @param string $sm_language translation used by user's interface
- * @param bool $do_search use browser's preferred language detection functions. Defaults to false.
- * @param bool $default set $sm_language to $squirrelmail_default_language if language detection fails or language is not set. Defaults to false.
- * @return int function execution error codes.
- */
-function set_up_language($sm_language, $do_search = false, $default = false) {
-
- static $SetupAlready = 0;
- global $use_gettext, $languages,
- $squirrelmail_language, $squirrelmail_default_language, $default_charset,
- $sm_notAlias, $username, $data_dir;
-
- if ($SetupAlready) {
- return;
- }
-
- $SetupAlready = TRUE;
- sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE', $accept_lang, SQ_SERVER);
-
- if ($do_search && ! $sm_language && isset($accept_lang)) {
- $sm_language = substr($accept_lang, 0, 2);
- }
-
- if ((!$sm_language||$default) && isset($squirrelmail_default_language)) {
- $squirrelmail_language = $squirrelmail_default_language;
- $sm_language = $squirrelmail_default_language;
- }
- $sm_notAlias = $sm_language;
-
- // Catching removed translation
- // System reverts to English translation if user prefs contain translation
- // that is not available in $languages array
- if (!isset($languages[$sm_notAlias])) {
- $sm_notAlias="en_US";
- }
-
- while (isset($languages[$sm_notAlias]['ALIAS'])) {
- $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
- }
-
- if ( isset($sm_language) &&
- $use_gettext &&
- $sm_language != '' &&
- isset($languages[$sm_notAlias]['CHARSET']) ) {
- sq_bindtextdomain( 'squirrelmail', SM_PATH . 'locale/' );
- sq_textdomain( 'squirrelmail' );
- if (function_exists('bind_textdomain_codeset')) {
- if ($sm_notAlias == 'ja_JP') {
- bind_textdomain_codeset ("squirrelmail", 'EUC-JP');
- } else {
- bind_textdomain_codeset ("squirrelmail", $languages[$sm_notAlias]['CHARSET'] );
- }
- }
- if (isset($languages[$sm_notAlias]['LOCALE'])){
- $longlocale=$languages[$sm_notAlias]['LOCALE'];
- } else {
- $longlocale=$sm_notAlias;
- }
- if ( !ini_get('safe_mode') &&
- getenv( 'LC_ALL' ) != $longlocale ) {
- putenv( "LC_ALL=$longlocale" );
- putenv( "LANG=$longlocale" );
- putenv( "LANGUAGE=$longlocale" );
- putenv( "LC_NUMERIC=C" );
- if ($sm_notAlias=='tr_TR') putenv( "LC_CTYPE=C" );
- }
- setlocale(LC_ALL, $longlocale);
- // Workaround for plugins that use numbers with floating point
- // It might be removed if plugins use correct decimal delimiters
- // according to locale settings.
- setlocale(LC_NUMERIC, 'C');
- // Workaround for specific Turkish strtolower/strtoupper rules.
- // Many functions expect English conversion rules.
- if ($sm_notAlias=='tr_TR') setlocale(LC_CTYPE,'C');
-
- // Set text direction/alignment variables
- if (isset($languages[$sm_notAlias]['DIR']) &&
- $languages[$sm_notAlias]['DIR'] == 'rtl') {
- /**
- * Text direction
- * @global string $text_direction
- */
- $text_direction='rtl';
- /**
- * Left alignment
- * @global string $left_align
- */
- $left_align='right';
- /**
- * Right alignment
- * @global string $right_align
- */
- $right_align='left';
- } else {
- $text_direction='ltr';
- $left_align='left';
- $right_align='right';
- }
-
- $squirrelmail_language = $sm_notAlias;
- if ($squirrelmail_language == 'ja_JP') {
- header ('Content-Type: text/html; charset=EUC-JP');
- if (!function_exists('mb_internal_encoding')) {
- // Error messages can't be displayed here
- $error = 1;
- // Revert to English if possible.
- if (function_exists('setPref') && $username!='' && $data_dir!="") {
- setPref($data_dir, $username, 'language', "en_US");
- $error = 2;
- }
- // stop further execution in order not to get php errors on mb_internal_encoding().
- return $error;
- }
- if (function_exists('mb_language')) {
- mb_language('Japanese');
- }
- mb_internal_encoding('EUC-JP');
- mb_http_output('pass');
- } elseif ($squirrelmail_language == 'en_US') {
- header( 'Content-Type: text/html; charset=' . $default_charset );
- } else {
- header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
- }
- }
- return 0;
-}
-
-/**
- * Sets default_charset variable according to the one that is used by user's translations.
- *
- * Function changes global $default_charset variable in order to be sure, that it
- * contains charset used by user's translation. Sanity of $squirrelmail_default_language
- * and $default_charset combination provided in SquirrelMail config is also tested.
- *
- * There can be a $default_charset setting in the
- * config.php file, but the user may have a different language
- * selected for a user interface. This function checks the
- * language selected by the user and tags the outgoing messages
- * with the appropriate charset corresponding to the language
- * selection. This is "more right" (tm), than just stamping the
- * message blindly with the system-wide $default_charset.
- */
-function set_my_charset(){
- global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
-
- $my_language = getPref($data_dir, $username, 'language');
- if (!$my_language) {
- $my_language = $squirrelmail_default_language ;
- }
- // Catch removed translation
- if (!isset($languages[$my_language])) {
- $my_language="en_US";
- }
- while (isset($languages[$my_language]['ALIAS'])) {
- $my_language = $languages[$my_language]['ALIAS'];
- }
- $my_charset = $languages[$my_language]['CHARSET'];
- if ($my_language!='en_US') {
- $default_charset = $my_charset;
- }
-}
-
-/**************************
- * Japanese extra functions
- **************************/
-
-/**
- * Japanese decoding function
- *
- * converts string to euc-jp, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
- * charset. Needs mbstring support in php.
- * @param string $ret text, that has to be converted
- * @return string converted string
- * @since 1.5.1
- */
-function japanese_xtra_decode($ret) {
- if (function_exists('mb_detect_encoding')) {
- $detect_encoding = @mb_detect_encoding($ret);
- if ($detect_encoding == 'JIS' ||
- $detect_encoding == 'EUC-JP' ||
- $detect_encoding == 'SJIS' ||
- $detect_encoding == 'UTF-8') {
-
- $ret = mb_convert_kana(mb_convert_encoding($ret, 'EUC-JP', 'AUTO'), "KV");
- }
- }
- return $ret;
-}
-
-/**
- * Japanese encoding function
- *
- * converts string to jis, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
- * charset. Needs mbstring support in php.
- * @param string $ret text, that has to be converted
- * @return string converted text
- * @since 1.5.1
- */
-function japanese_xtra_encode($ret) {
- if (function_exists('mb_detect_encoding')) {
- $detect_encoding = @mb_detect_encoding($ret);
- if ($detect_encoding == 'JIS' ||
- $detect_encoding == 'EUC-JP' ||
- $detect_encoding == 'SJIS' ||
- $detect_encoding == 'UTF-8') {
-
- $ret = mb_convert_encoding(mb_convert_kana($ret, "KV"), 'JIS', 'AUTO');
- }
- }
- return $ret;
-}
-
-/**
- * Japanese header encoding function
- *
- * creates base64 encoded header in iso-2022-jp charset
- * @param string $ret text, that has to be converted
- * @return string mime base64 encoded string
- * @since 1.5.1
- */
-function japanese_xtra_encodeheader($ret) {
- if (function_exists('mb_detect_encoding')) {
- $result = '';
- if (strlen($ret) > 0) {
- $tmpstr = mb_substr($ret, 0, 1);
- $prevcsize = strlen($tmpstr);
- for ($i = 1; $i < mb_strlen($ret); $i++) {
- $tmp = mb_substr($ret, $i, 1);
- if (strlen($tmp) == $prevcsize) {
- $tmpstr .= $tmp;
- } else {
- if ($prevcsize == 1) {
- $result .= $tmpstr;
- } else {
- $result .= str_replace(' ', '',
- mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
- }
- $tmpstr = $tmp;
- $prevcsize = strlen($tmp);
- }
- }
- if (strlen($tmpstr)) {
- if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
- $result .= $tmpstr;
- else
- $result .= str_replace(' ', '',
- mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
- }
- }
- $ret = $result;
- }
- return $ret;
-}
-
-/**
- * Japanese header decoding function
- *
- * return human readable string from mime header. string is returned in euc-jp
- * charset.
- * @param string $ret header string
- * @return string decoded header string
- * @since 1.5.1
- */
-function japanese_xtra_decodeheader($ret) {
- if (function_exists('mb_detect_encoding')) {
- $ret = str_replace("\t", "", $ret);
- if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
- $ret = @mb_decode_mimeheader($ret);
- $ret = @mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
- }
- return $ret;
-}
-
-/**
- * Japanese downloaded filename processing function
- *
- * Returns shift-jis or euc-jp encoded file name
- * @param string $ret string
- * @param string $useragent browser
- * @return string converted string
- * @since 1.5.1
- */
-function japanese_xtra_downloadfilename($ret,$useragent) {
- if (function_exists('mb_detect_encoding')) {
- if (strstr($useragent, 'Windows') !== false ||
- strstr($useragent, 'Mac_') !== false) {
- $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
- } else {
- $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
- }
- }
- return $ret;
-}
-
-/**
- * Japanese wordwrap function
- *
- * wraps text at set number of symbols
- * @param string $ret text
- * @param integer $wrap number of symbols per line
- * @return string wrapped text
- * @since 1.5.1
- */
-function japanese_xtra_wordwrap($ret,$wrap) {
- if (function_exists('mb_detect_encoding')) {
- $no_begin = "\x21\x25\x29\x2c\x2e\x3a\x3b\x3f\x5d\x7d\xa1\xf1\xa1\xeb\xa1" .
- "\xc7\xa1\xc9\xa2\xf3\xa1\xec\xa1\xed\xa1\xee\xa1\xa2\xa1\xa3\xa1\xb9" .
- "\xa1\xd3\xa1\xd5\xa1\xd7\xa1\xd9\xa1\xdb\xa1\xcd\xa4\xa1\xa4\xa3\xa4" .
- "\xa5\xa4\xa7\xa4\xa9\xa4\xc3\xa4\xe3\xa4\xe5\xa4\xe7\xa4\xee\xa1\xab" .
- "\xa1\xac\xa1\xb5\xa1\xb6\xa5\xa1\xa5\xa3\xa5\xa5\xa5\xa7\xa5\xa9\xa5" .
- "\xc3\xa5\xe3\xa5\xe5\xa5\xe7\xa5\xee\xa5\xf5\xa5\xf6\xa1\xa6\xa1\xbc" .
- "\xa1\xb3\xa1\xb4\xa1\xaa\xa1\xf3\xa1\xcb\xa1\xa4\xa1\xa5\xa1\xa7\xa1" .
- "\xa8\xa1\xa9\xa1\xcf\xa1\xd1";
- $no_end = "\x5c\x24\x28\x5b\x7b\xa1\xf2\x5c\xa1\xc6\xa1\xc8\xa1\xd2\xa1" .
- "\xd4\xa1\xd6\xa1\xd8\xa1\xda\xa1\xcc\xa1\xf0\xa1\xca\xa1\xce\xa1\xd0\xa1\xef";
-
- if (strlen($ret) >= $wrap &&
- substr($ret, 0, 1) != '>' &&
- strpos($ret, 'http://') === FALSE &&
- strpos($ret, 'https://') === FALSE &&
- strpos($ret, 'ftp://') === FALSE) {
-
- $ret = mb_convert_kana($ret, "KV");
-
- $line_new = '';
- $ptr = 0;
-
- while ($ptr < strlen($ret) - 1) {
- $l = mb_strcut($ret, $ptr, $wrap);
- $ptr += strlen($l);
- $tmp = $l;
-
- $l = mb_strcut($ret, $ptr, 2);
- while (strlen($l) != 0 && mb_strpos($no_begin, $l) !== FALSE ) {
- $tmp .= $l;
- $ptr += strlen($l);
- $l = mb_strcut($ret, $ptr, 1);
- }
- $line_new .= $tmp;
- if ($ptr < strlen($ret) - 1)
- $line_new .= "\n";
- }
- $ret = $line_new;
- }
- }
- return $ret;
-}
-
-/**
- * Japanese imap folder name encoding function
- *
- * converts folder name from euc-jp to utf7-imap
- * @param string $ret folder name
- * @return string converted folder name
- * @since 1.5.1
- */
-function japanese_xtra_utf7_imap_encode($ret){
- if (function_exists('mb_detect_encoding')) {
- $ret = mb_convert_encoding($ret, 'UTF7-IMAP', 'EUC-JP');
- }
- return $ret;
-}
-
-/**
- * Japanese imap folder name decoding function
- *
- * converts folder name from utf7-imap to euc-jp.
- * @param string $ret folder name in utf7-imap
- * @return string converted folder name
- * @since 1.5.1
- */
-function japanese_xtra_utf7_imap_decode($ret) {
- if (function_exists('mb_detect_encoding')) {
- $ret = mb_convert_encoding($ret, 'EUC-JP', 'UTF7-IMAP');
- }
- return $ret;
-}
-
-/**
- * Japanese string trimming function
- *
- * trims string to defined number of symbols
- * @param string $ret string
- * @param integer $width number of symbols
- * @return string trimmed string
- * @since 1.5.1
- */
-function japanese_xtra_strimwidth($ret,$width) {
- if (function_exists('mb_detect_encoding')) {
- $ret = mb_strimwidth($ret, 0, $width, '...');
- }
- return $ret;
-}
-
-/********************************
- * Korean charset extra functions
- ********************************/
-
-/**
- * Korean downloaded filename processing functions
- *
- * @param string default return value
- * @return string
- * @since 1.5.1
- */
-function korean_xtra_downloadfilename($ret) {
- $ret = str_replace("\x0D\x0A", '', $ret); /* Hanmail's CR/LF Clear */
- for ($i=0;$i<strlen($ret);$i++) {
- if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") { /* 0xA1 - 0XFE are Valid */
- $i++;
- continue;
- } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
- ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
- ($ret[$i] == '.') || ($ret[$i] == '-')) {
- continue;
- } else {
- $ret[$i] = '_';
- }
- }
- return $ret;
-}
-
-/**
- * Replaces non-braking spaces inserted by some browsers with regular space
- *
- * This function can be used to replace non-braking space symbols
- * that are inserted in forms by some browsers instead of normal
- * space symbol.
- *
- * @param string $string Text that needs to be cleaned
- * @param string $charset Charset used in text
- * @return string Cleaned text