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use crate::util::error::Error;
use crate::iq::{IqResultPayload, IqSetPayload};
use crate::ns;
use jid::FullJid;
use minidom::Element;
use std::str::FromStr;
use std::convert::TryFrom;
#[derive(Debug, Clone, PartialEq)]
pub enum Bind {
None,
Resource(String),
Jid(FullJid),
}
impl Bind {
pub fn new(resource: Option<String>) -> Bind {
match resource {
None => Bind::None,
Some(resource) => Bind::Resource(resource),
}
}
}
impl IqSetPayload for Bind {}
impl IqResultPayload for Bind {}
impl TryFrom<Element> for Bind {
type Error = Error;
fn try_from(elem: Element) -> Result<Bind, Error> {
check_self!(elem, "bind", BIND);
check_no_attributes!(elem, "bind");
let mut bind = Bind::None;
for child in elem.children() {
if bind != Bind::None {
return Err(Error::ParseError("Bind can only have one child."));
}
if child.is("resource", ns::BIND) {
check_no_attributes!(child, "resource");
check_no_children!(child, "resource");
bind = Bind::Resource(child.text());
} else if child.is("jid", ns::BIND) {
check_no_attributes!(child, "jid");
check_no_children!(child, "jid");
bind = Bind::Jid(FullJid::from_str(&child.text())?);
} else {
return Err(Error::ParseError("Unknown element in bind."));
}
}
Ok(bind)
}
}
impl From<Bind> for Element {
fn from(bind: Bind) -> Element {
Element::builder("bind")
.ns(ns::BIND)
.append(match bind {
Bind::None => vec![],
Bind::Resource(resource) => vec![Element::builder("resource")
.ns(ns::BIND)
.append(resource)
.build()],
Bind::Jid(jid) => vec![Element::builder("jid").ns(ns::BIND).append(jid).build()],
})
.build()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(target_pointer_width = "32")]
#[test]
fn test_size() {
assert_size!(Bind, 40);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_size() {
assert_size!(Bind, 80);
}
#[test]
fn test_simple() {
let elem: Element = "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/>"
.parse()
.unwrap();
let bind = Bind::try_from(elem).unwrap();
assert_eq!(bind, Bind::None);
}
#[cfg(not(feature = "disable-validation"))]
#[test]
fn test_invalid_resource() {
let elem: Element = "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><resource attr='coucou'>resource</resource></bind>"
.parse()
.unwrap();
let error = Bind::try_from(elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown attribute in resource element.");
let elem: Element = "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><resource><hello-world/>resource</resource></bind>"
.parse()
.unwrap();
let error = Bind::try_from(elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown child in resource element.");
}
}