On Sat, Aug 1, 2015 at 6:31 AM, Stefan <maill...@s.profanter.me> wrote:
> Hi,
>
> if a URL parameter contains a Unicode character (e.g.
> www.example.com/?param=%D6lso%DF which stands for param=Ölsoße), the
> parameter is not correctly parsed as Unicode.
>
4. This outputs for the example url: localhost:3000/?param=%D6lso%DF:
>
> [debug] $VAR1 = {
>
> 'param' => "\x{fffd}lso\x{fffd}e"
>
> };
>
> [debug] $VAR1 = '\x{d6}lso\x{df}e';
>
>
>
>
>
> As you can see, the first output only contains one equal character:
> \x{fffd} which is obviously not the same as it should be: \x{d6}lso\x{df}e
>
\x{fffd} is the unicode replacement character used by Encode to replace
invalid UTF-8 sequences you are passing in.
Try this instead in your browser:
?param=Ölsoße
And then print $c->request->parameters->{param} -- and if you check
Encode::is_utf8( $param ) it should be true, too, indicating the param was
decoded correctly into characters.
Or if you prefer:
perl -le 'use URI::Escape; print uri_escape( "Ölsoße" )'
%C3%96lso%C3%9Fe
so,
?param=%C3%96lso%C3%9Fe
but most likely the browser will turn it back into ?param=Ölsoße
If you really want to say you are using utf8 constant strings (i.e. "use
utf8;"):
$ perl -le 'use URI::Escape; use Encode; use utf8; use Encode; print
uri_escape( encode_utf8( "Ölsoße" ) )'
%C3%96lso%C3%9Fe
or
$ perl -le 'use URI::Escape; use Encode; use utf8; use Encode; print
uri_escape_utf8( "Ölsoße" )'
%C3%96lso%C3%9Fe
All the same thing.
--
Bill Moseley
mose...@hank.org
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