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Correctly split long subject lines according to the used RFC. This fixes extra spaces within long subjects. (Bug #43715)

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git-svn-id: file:///svn/phpbb/branches/phpBB-3_0_0@9430 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2009-04-10 07:54:52 +00:00
parent 2155bbbf8a
commit d7a8d7ad09
2 changed files with 7 additions and 5 deletions
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11
phpBB/includes/functions_messenger.php
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@@ -1446,9 +1446,10 @@ function mail_encode($str)
// define start delimimter, end delimiter and spacer
$start = "=?UTF-8?B?";
$end = "?=";
$spacer = $end . ' ' . $start;
$split_length = 64;
$delimiter = "\r\n ";
// Maximum length is 75 for everything. 75 - length of start/end/delimiter == 63
$split_length = 63;
$encoded_str = base64_encode($str);
// If encoded string meets the limits, we just return with the correct data.
@@ -1460,7 +1461,7 @@ function mail_encode($str)
// If there is only ASCII data, we just return what we want, correctly splitting the lines.
if (strlen($str) === utf8_strlen($str))
{
return $start . implode($spacer, str_split($encoded_str, $split_length)) . $end;
return $start . implode($end . $delimiter . $start, str_split($encoded_str, $split_length)) . $end;
}
// UTF-8 data, compose encoded lines
@@ -1476,10 +1477,10 @@ function mail_encode($str)
$text .= array_shift($array);
}
$str .= $start . base64_encode($text) . $end . ' ';
$str .= $start . base64_encode($text) . $end . $delimiter;
}
return substr($str, 0, -1);
return substr($str, 0, -strlen($delimiter));
}
?>