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-rw-r--r--program/include/main.inc23
1 files changed, 14 insertions, 9 deletions
diff --git a/program/include/main.inc b/program/include/main.inc
index 7a0f0ca16..ddecd6ece 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -190,11 +190,10 @@ function rcube_charset_convert($str, $from, $to=NULL)
if ($from == $to || empty($str) || empty($from))
return $str;
-
+
// convert charset using iconv module
if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') {
- $aliases['GB2312'] = 'GB18030';
- $_iconv = iconv(($aliases[$from] ? $aliases[$from] : $from), ($aliases[$to] ? $aliases[$to] : $to) . "//IGNORE", $str);
+ $_iconv = iconv($from, $to . '//IGNORE', $str);
if ($_iconv !== false) {
return $_iconv;
}
@@ -244,6 +243,7 @@ function rcube_charset_convert($str, $from, $to=NULL)
$str = utf8_encode($str);
}
else if ($from != 'UTF-8' && $conv) {
+ $from = preg_replace(array('/^WINDOWS-*/', '/^CP-/'), array('CP', 'CP'), $from);
$conv->loadCharset($from);
$str = $conv->strToUtf8($str);
}
@@ -264,6 +264,7 @@ function rcube_charset_convert($str, $from, $to=NULL)
return utf8_decode($str);
}
else if ($to != 'UTF-8' && $conv) {
+ $to = preg_replace(array('/^WINDOWS-*/', '/^CP-/'), array('CP', 'CP'), $to);
$conv->loadCharset($to);
return $conv->utf8ToStr($str);
}
@@ -305,14 +306,14 @@ function rcube_parse_charset($charset)
$charset = str_replace('UNICODE-1-1-', '', $charset);
$aliases = array(
- 'USASCII' => 'ISO-8859-1',
- 'ANSIX31101983' => 'ISO-8859-1',
- 'ANSIX341968' => 'ISO-8859-1',
+ 'USASCII' => 'WINDOWS-1252',
+ 'ANSIX31101983' => 'WINDOWS-1252',
+ 'ANSIX341968' => 'WINDOWS-1252',
'UNKNOWN8BIT' => 'ISO-8859-15',
'XUNKNOWN' => 'ISO-8859-15',
'XUSERDEFINED' => 'ISO-8859-15',
- 'ISO88598I' => 'ISO-8859-8',
'KSC56011987' => 'EUC-KR',
+ 'GB2312' => 'GB18030',
'UNICODE' => 'UTF-8',
'UTF7IMAP' => 'UTF7-IMAP'
);
@@ -325,8 +326,12 @@ function rcube_parse_charset($charset)
if (preg_match('/UTF(7|8|16|32)(BE|LE)*/', $str, $m))
return 'UTF-' . $m[1] . $m[2];
- if (preg_match('/ISO8859([0-9]{0,2})/', $str, $m))
- return 'ISO-8859-' . ($m[1] ? $m[1] : 1);
+ if (preg_match('/ISO8859([0-9]{0,2})/', $str, $m)) {
+ $iso = 'ISO-8859-' . ($m[1] ? $m[1] : 1);
+ # some clients sends windows-1252 text as latin1,
+ # it is safe to use windows-1252 for all latin1
+ return $iso == 'ISO-8859-1' ? 'WINDOWS-1252' : $iso;
+ }
return $charset;
}