[rt-devel] RT 3.0.3rc2

Dmitry Sivachenko mitya at cavia.pp.ru
Thu Jun 19 05:18:21 EDT 2003


On Thu, Jun 19, 2003 at 04:44:58PM +0800, Autrijus Tang wrote:
> On Thu, Jun 19, 2003 at 12:11:48PM +0400, Dmitry Sivachenko wrote:
> > 1) When I am sending http://mitya.pp.ru/rt-bad-email1.dat, the following
> > appears in the maillog:
> 
> That mail has the extremely evil header:
> 
>     From: =?UNKNOWN?Q?=C8=ED=F2=E5=F0=ED=E5=F2_=EC=E0=F0=EA=E5=F2=E8=ED=E3?=
> 
> and RT simply does not know how to handle this encoding.

Your patch did solve the problem to rt-bad-email1.dat.

Thank you!

The problem with rt-bad-email2.dat remains.


> 
> I have committed the patch below into my branch which takes care of
> this case by applying the same _GuessCharset routine to MIME words.
> 
> As for your second problem, I can't duplicate it -- but maybe you'd
> like to check your @EmailOutputEncoding?
> 
> Thanks,
> /Autrijus/
> 
> --- //depot/RT/rt/lib/RT/I18N.pm	2003/06/19 08:03:42
> +++ //depot/RT/rt/lib/RT/I18N.pm	2003/06/19 08:34:19
> @@ -273,7 +273,11 @@
>  	# now we have got a decoded subject, try to convert into
>  	# utf-8 encoding
>  	unless ($charset =~ m/utf-8/i) {
> -	    Encode::from_to($enc_str, $charset, "utf8");
> +	    eval { Encode::from_to($enc_str, $charset, "utf8") };
> +	    if ($@) {
> +		$charset = _GuessCharset( $enc_str );
> +		Encode::from_to($enc_str, $charset, "utf8");
> +	    }
>  	}
>  
>  	$str .= $prefix . $enc_str . $trailing;
> @@ -296,17 +300,33 @@
>  sub _FindOrGuessCharset {
>      my $entity = shift;
>      my $head = $entity->head;
> -    my $charset;
> -    my $fallback = 'iso-8859-1';
>  
> -    return $charset if ($charset = $head->mime_attr("content-type.charset"));
> +    if ($head->mime_attr("content-type.charset")) {
> +	return $head->mime_attr("content-type.charset");
> +    }
>  
>      my $body = $entity->bodyhandle or return;
> -    return 'utf-8' if Encode::is_utf8( $body->as_string );
> +    return _GuessCharset( $head->as_string . $body->as_string );
> +}
> +
> +# }}}
> +
> +
> +# {{{ _GuessCharset
> +
> +=head2 _GuessCharset STRING
> +
> +use Encode::Guess to try to figure it out the string's encoding.
> +
> +=cut
> +
> +sub _GuessCharset {
> +    my $fallback = 'iso-8859-1';
> +    my $charset;
>  
>      if ( @RT::EmailInputEncodings and eval { require Encode::Guess; 1 } ) {
>  	Encode::Guess->set_suspects(@RT::EmailInputEncodings);
> -	my $decoder = Encode::Guess->guess( $head->as_string . $body->as_string );
> +	my $decoder = Encode::Guess->guess( $_[0] );
>  
>  	if ( ref $decoder ) {
>  	    $charset = $decoder->name;


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