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authoralecpl <alec@alec.pl>2009-06-21 10:03:42 +0000
committeralecpl <alec@alec.pl>2009-06-21 10:03:42 +0000
commit11b80e9e33e84c90852a46a5be6d5ff414b37661 (patch)
tree78a798f6c3754e966f22507d3779f1fca69c356e /program
parent297a4359596484069218ca8d94bdf9387f707b70 (diff)
- Fix empty Date header issue (#1485923) + some cleanups
Diffstat (limited to 'program')
-rw-r--r--program/lib/imap.inc93
1 files changed, 19 insertions, 74 deletions
diff --git a/program/lib/imap.inc b/program/lib/imap.inc
index adc61af6b..c6b5000ff 100644
--- a/program/lib/imap.inc
+++ b/program/lib/imap.inc
@@ -101,15 +101,6 @@ if (!isset($IMAP_USE_HEADER_DATE) || !$IMAP_USE_HEADER_DATE) {
$IMAP_USE_INTERNAL_DATE = true;
}
-/**
- * @todo Maybe use date() to generate this.
- */
-$GLOBALS['IMAP_MONTHS'] = array("Jan" => 1, "Feb" => 2, "Mar" => 3, "Apr" => 4,
- "May" => 5, "Jun" => 6, "Jul" => 7, "Aug" => 8, "Sep" => 9, "Oct" => 10,
- "Nov" => 11, "Dec" => 12);
-
-$GLOBALS['IMAP_SERVER_TZ'] = date('Z');
-
$GLOBALS['IMAP_FLAGS'] = array(
'SEEN' => '\\Seen',
'DELETED' => '\\Deleted',
@@ -841,46 +832,23 @@ function iil_SplitHeaderLine($string) {
return $string;
}
-function iil_StrToTime($str) {
- $IMAP_MONTHS = $GLOBALS['IMAP_MONTHS'];
- $IMAP_SERVER_TZ = $GLOBALS['IMAP_SERVER_TZ'];
-
- if ($str) {
- $time1 = strtotime($str);
- }
- if ($time1 && $time1 != -1) {
- return $time1-$IMAP_SERVER_TZ;
- }
- //echo '<!--'.$str.'//-->';
-
- //replace double spaces with single space
- $str = trim($str);
- $str = str_replace(' ', ' ', $str);
-
- //strip off day of week
- $pos = strpos($str, ' ');
- if (!is_numeric(substr($str, 0, $pos))) {
- $str = substr($str, $pos+1);
+function iil_StrToTime($date) {
+
+ // support non-standard "GMTXXXX" literal
+ $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date);
+ // if date parsing fails, we have a date in non-rfc format.
+ // remove token from the end and try again
+ while ((($ts = @strtotime($date))===false) || ($ts < 0))
+ {
+ $d = explode(' ', $date);
+ array_pop($d);
+ if (!$d) break;
+ $date = implode(' ', $d);
}
- //explode, take good parts
- $a = explode(' ', $str);
- $month_str = $a[1];
- $month = $IMAP_MONTHS[$month_str];
- $day = (int)$a[0];
- $year = (int)$a[2];
- $time = $a[3];
- $tz_str = $a[4];
- $tz = substr($tz_str, 0, 3);
- $ta = explode(':', $time);
- $hour = (int)$ta[0]-(int)$tz;
- $minute = (int)$ta[1];
- $second = (int)$ta[2];
-
- //make UNIX timestamp
- $time2 = mktime($hour, $minute, $second, $month, $day, $year);
- //echo '<!--'.$time1.' '.$time2.' //-->'."\n";
- return $time2;
+ $ts = (int) $ts;
+
+ return $ts < 0 ? 0 : $ts;
}
function iil_C_Sort(&$conn, $mailbox, $field, $add='', $is_uid=FALSE,
@@ -1033,7 +1001,7 @@ function iil_C_FetchHeaderIndex(&$conn, $mailbox, $message_set, $index_field='',
$result[$id] = in_array('\\'.$index_field, $flags) ? 1 : 0;
} else if ($mode == 4) {
if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) {
- $result[$id] = strtotime($matches[1]);
+ $result[$id] = iil_StrToTime($matches[1]);
} else {
$result[$id] = 0;
}
@@ -1513,25 +1481,8 @@ function iil_C_FetchHeaders(&$conn, $mailbox, $message_set, $uidfetch=false, $bo
// if time is gmt...
$time_str = str_replace('GMT','+0000',$time_str);
- //get timezone
- $time_str = substr($time_str, 0, -1);
- $time_zone_str = substr($time_str, -5); // extract timezone
- $time_str = substr($time_str, 0, -5); // remove timezone
- $time_zone = (float)substr($time_zone_str, 1, 2); // get first two digits
-
- if ($time_zone_str[3] != '0') {
- $time_zone += 0.5; //handle half hour offset
- }
- if ($time_zone_str[0] == '-') {
- $time_zone = $time_zone * -1.0; //minus?
- }
-
- //calculate timestamp
- $timestamp = strtotime($time_str); //return's server's time
- $timestamp -= $time_zone * 3600; //compensate for tz, get GMT
-
$result[$id]->internaldate = $time_str;
- $result[$id]->timestamp = $timestamp;
+ $result[$id]->timestamp = iil_StrToTime($time_str);
$result[$id]->date = $time_str;
}
@@ -1750,8 +1701,8 @@ function iil_SortHeaders($a, $field, $flag) {
while (list($key, $val)=each($a)) {
if ($field == 'timestamp') {
- $data = @strtotime($val->date);
- if ($data == false) {
+ $data = iil_StrToTime($val->date);
+ if (!$data) {
$data = $val->timestamp;
}
} else {
@@ -1877,12 +1828,6 @@ function iil_C_Copy(&$conn, $messages, $from, $to) {
}
}
-function iil_FormatSearchDate($month, $day, $year) {
- $month = (int) $month;
- $months = $GLOBALS['IMAP_MONTHS'];
- return $day . '-' . $months[$month] . '-' . $year;
-}
-
function iil_C_CountUnseen(&$conn, $folder) {
$index = iil_C_Search($conn, $folder, 'ALL UNSEEN');
if (is_array($index)) {