[Kde-pim] mailto: url dragging

[Thomas McGuire]

Hi,

On Tuesday 04 August 2009 18:02:44 you wrote:
> I'm about to look into https://bugs.kde.org/show_bug.cgi?id=138725
> which shows the RFC2047 encoded mail address when one drops an address
> from one mailreader windows header to a composer window.
>
> My idea to fix this is the following:
>
> Index: kmlineeditspell.cpp
> ===================================================================
> --- kmlineeditspell.cpp (Revision 1005628)
> +++ kmlineeditspell.cpp (Arbeitskopie)
> @@ -130,7 +130,12 @@
>        // email-address.
>        if ( url.protocol() == "mailto" ) {
>          KABC::Addressee addressee;
> -        addressee.insertEmail( url.path(), true /* preferred */ );
> +        QString address = url.path();
> +        if ( address.startsWith( "=?" ) ) {
> +          // RFC2047 encoded string, decode it
> +          address = KMMsgBase::decodeRFC2047String( address.toLatin1() );
> +        }
> +        addressee.insertEmail( address, true /* preferred */ );
>          list += addressee;
>        }
>
>
> however, it's not clear for me if the Drag object itself shouldn't already
> contain the decoded path ? Otherwise each receiver of this drag object
> needs to do the decoding.

I had a very quick look at RFC2368, which specifies the URI scheme for mailto, 
and it says "8-bit characters in mailto URLs are forbidden. MIME encoded words 
(as defined in [RFC2047]) are permitted in header values".
That means that indeed the receiver of such a mail drag has to deal with it.

The above patch is not correct, consider:
mailto:Ingo =%3Futf-8%3Fq%3FKl=C3=B6cker%3F= <kloecker at kde.org>
There, the =? is not at the start, which is what the patch assumes.

Regards,
Thomas
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