diff options
Diffstat (limited to 'program')
| -rw-r--r-- | program/include/main.inc | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/program/include/main.inc b/program/include/main.inc index 36d39085d..31e4ab558 100644 --- a/program/include/main.inc +++ b/program/include/main.inc @@ -170,6 +170,18 @@ function rcmail_cache_gc() /** + * Catch an error and throw an exception. + * + * @param int Level of the error + * @param string Error message + */ +function rcube_error_handler($errno, $errstr) + { + throw new ErrorException($errstr, 0, $errno); + } + + +/** * Convert a string from one charset to another. * Uses mbstring and iconv functions if possible * @@ -180,6 +192,7 @@ function rcmail_cache_gc() */ function rcube_charset_convert($str, $from, $to=NULL) { + static $iconv_options = null; static $mbstring_loaded = null; static $mbstring_list = null; static $convert_warning = false; @@ -195,20 +208,36 @@ function rcube_charset_convert($str, $from, $to=NULL) // convert charset using iconv module if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') { - $_iconv = @iconv($from, $to . '//IGNORE', $str); + if ($iconv_options === null) { + // transliterate characters not available in output charset + $iconv_options = '//TRANSLIT'; + if (iconv('', $iconv_options, '') === false) { + // iconv implementation does not support options + $iconv_options = ''; + } + } + // throw an exception if iconv reports an illegal character in input + // it means that input string has been truncated + set_error_handler('rcube_error_handler', E_NOTICE); + try { + $_iconv = iconv($from, $to . $iconv_options, $str); + } catch (ErrorException $e) { + $_iconv = false; + } + restore_error_handler(); if ($_iconv !== false) { - return $_iconv; + return $_iconv; } } - if (is_null($mbstring_loaded)) + if ($mbstring_loaded === null) $mbstring_loaded = extension_loaded('mbstring'); // convert charset using mbstring module if ($mbstring_loaded) { $aliases['WINDOWS-1257'] = 'ISO-8859-13'; - if (is_null($mbstring_list)) { + if ($mbstring_list === null) { $mbstring_list = mb_list_encodings(); $mbstring_list = array_map('strtoupper', $mbstring_list); } |