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From: Arno Welzel <usenet@arnowelzel.de>
Newsgroups: comp.lang.php
Subject: Re: Encoding Problems
Date: Sun, 06 Jul 2014 21:46:17 +0200
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Xref: csiph.com comp.lang.php:14073

Christoph Michael Becker, 2014-07-06 15:30:

> 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>

Thanks for the clarification - that's the URL I also referred to
originally ;-)



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Arno Welzel
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