| Re: Encoding Problems [message #186359 is a reply to message #186353] |
Sun, 06 July 2014 13:30   |
Christoph Michael Bec
Messages: 207
Registered: June 2013
Karma:
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Senior Member |
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Arno Welzel wrote:
> Christoph Michael Becker, 2014-07-05 03:28:
>
>> Arno Welzel wrote:
>>
>>> So extend that for the encoding:
>>>
>>> if($msgStructure->subtype=="PLAIN")
>>> {
>>> switch($msgStructure->encoding)
>>> {
>>> case 4:
>>> // Body text is quoted-printable encoded
>>> $body = quoted_printable_decode($body);
>>> break;
>>>
>>> case 3:
>>> // Body text is base64 encoded
>>> $body = base64_decode($data);
>>> break;
>>> }
>>>
>>> $body = renderPlainText($body);
>>> }
>>
>> What about a default clause, at least triggering a notice/warning that
>> the encoding is not understood?
>
> Good Point. But which other encoding except no encoding at all, base64
> and or quoted printable may be used?
The PHP manual documents 6 values for the transfer encodings[1].
Particularly 2 (BINARY) and 5 (OTHER) seem to demand some further
handling (if only to ignore the body in these cases, what might be
necessary to avoid potential vulnerabilities).
[1] <http://www.php.net/manual/en/function.imap-fetchstructure.php>
--
Christoph M. Becker
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