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authoralecpl <alec@alec.pl>2008-06-07 18:48:59 +0000
committeralecpl <alec@alec.pl>2008-06-07 18:48:59 +0000
commitb541216c53f8fd286ccb0e9e6172ffdcce8f2592 (patch)
tree84a443ecfa25dab671c17009f484737dba4e6231 /program/include/rcube_shared.inc
parentc8fb2b778491036db4c1b5f4fcc3b9a3c21efcc1 (diff)
-added encoding detection for attachment names when message part hasn't got charset definition (#1484969)
Diffstat (limited to 'program/include/rcube_shared.inc')
-rw-r--r--program/include/rcube_shared.inc31
1 files changed, 30 insertions, 1 deletions
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 8e9d3dd1c..801dac7fe 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -581,4 +581,33 @@ function rc_mime_content_type($path, $failover = 'unknown/unknown')
return $mime_type;
}
-?> \ No newline at end of file
+
+/**
+ * A method to guess encoding of a string.
+ *
+ * @param string $string String.
+ * @param string $failover Default result for failover.
+ *
+ * @return string
+ */
+function rc_detect_encoding($string, $failover='')
+{
+ if (!function_exists('mb_detect_encoding')) {
+ return $failover;
+ }
+
+ // FIXME: the order is important, because sometimes
+ // iso string is detected as euc-jp and etc.
+ $enc = array(
+ 'UTF-8', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
+ 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
+ 'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
+ 'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R'
+ );
+
+ $result = mb_detect_encoding($string, join(',', $enc));
+
+ return $result ? $result : $failover;
+}
+
+?>