Function get_encrypted_pgp_message_boxed

src/decrypt.rs:240–250

Turns a [`ParsedMail`] into [`pgp::composed::Message`]. [`pgp::composed::Message`] is huge (over 4kb), so, it is put on the heap using [`Box`].

(
    mail: &'a ParsedMail<'a>,
)

/// [`pgp::composed::Message`] is huge (over 4kb),
/// so, it is put on the heap using [`Box`].
pub fn get_encrypted_pgp_message_boxed<'a>(
    mail: &'a ParsedMail<'a>,
) -> Result<Option<Box<Message<'static>>>> {
    let Some(encrypted_data_part) = get_encrypted_mime(mail) else {
        return Ok(None);
    };
    let data = encrypted_data_part.get_body_raw()?;
    let cursor = Cursor::new(data);
    let (msg, _headers) = Message::from_armor(cursor)?;
    Ok(Some(Box::new(msg)))
}

/// Returns a reference to the encrypted payload of a message.
pub fn get_encrypted_mime<'a, 'b>(mail: &'a ParsedMail<'b>) -> Option<&'a ParsedMail<'b>> {