I do something very similar. Though I send plain text email only. I
create my data as fully formatted, sign/encrypt it and then send it to
a template that just outputs the field.
On Mon, Jul 18, 2011 at 12:16 PM, Christophe Vandeplas
<christo...@vandeplas.com> wrote:
> Hello,
>
>
> My webapplication needs to send out emails that are signed with a GPG
> signature.
> However as I am using the Email component this seems a little more
> complicated as I can't really figure out how to do it. Any help will
> be appreciated and compensated with Belgian beer if we ever meet.
>
> Signing data using GnuPG (and the PEAR GPG classes) is relatively
> easy:
> require_once 'Crypt/GPG.php';
> $gpg = new Crypt_GPG();
> $text = "Hello world";
> $gpg->addSignKey(Configure::read('GnuPG.email'),
> Configure::read('GnuPG.password'));
> $text_signed = $gpg->sign($text, Crypt_GPG::SIGN_MODE_CLEAR);
> debug($text_signed);
>
> The code I use to send out the email is here. The "new_event" view
> will be used to format my email message with the data from $event.
>
> $this->Email->from = "foo <f...@bar.com>";
> $this->Email->to = "bar <b...@foo.com>";
> $this->Email->subject = "[foo] new event";
> $this->Email->delivery = 'debug'; // do not really send out
> mails, only display it on the screen
> $this->Email->template = 'new_event'; // in views/elements/
> email/html or text
> $this->Email->sendAs = 'text'; // both text or html
> $this->set('event', $event);
> $this->Email->send();
>
> Now the GPG magic needs to happen on the email body/message.
> I've opened the EmailComponent class to find out that the ->send()
> function _renders() the mail using the view and finally sends it using
> the delivery method (mail, smtp,...).
>
> However I can't find a way to extract the rendered body, sign it, push
> it back and then let it be sent.
>
> I guess I will probably need to make a new component class to handle
> this. However I have absolutely no idea where or how to start.
> Considering the few lines required to do the gpg signing it shouldn't
> be to difficult though...
>
> Could you give me some advice to get this going?
>
> Thanks
> Christophe
>
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