500 lines
17 KiB
Rust
500 lines
17 KiB
Rust
// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
use crate::data_forms::{DataForm, DataFormType};
|
|
use crate::util::error::Error;
|
|
use crate::iq::{IqGetPayload, IqResultPayload};
|
|
use crate::ns;
|
|
use jid::Jid;
|
|
use minidom::Element;
|
|
use try_from::TryFrom;
|
|
|
|
generate_element!(
|
|
/// Structure representing a `<query xmlns='http://jabber.org/protocol/disco#info'/>` element.
|
|
///
|
|
/// It should only be used in an `<iq type='get'/>`, as it can only represent
|
|
/// the request, and not a result.
|
|
DiscoInfoQuery, "query", DISCO_INFO,
|
|
attributes: [
|
|
/// Node on which we are doing the discovery.
|
|
node: Option<String> = "node",
|
|
]);
|
|
|
|
impl IqGetPayload for DiscoInfoQuery {}
|
|
|
|
generate_element!(
|
|
/// Structure representing a `<feature xmlns='http://jabber.org/protocol/disco#info'/>` element.
|
|
#[derive(PartialEq)]
|
|
Feature, "feature", DISCO_INFO,
|
|
attributes: [
|
|
/// Namespace of the feature we want to represent.
|
|
var: Required<String> = "var",
|
|
]);
|
|
|
|
impl Feature {
|
|
/// Create a new `<feature/>` with the according `@var`.
|
|
pub fn new<S: Into<String>>(var: S) -> Feature {
|
|
Feature {
|
|
var: var.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Structure representing an `<identity xmlns='http://jabber.org/protocol/disco#info'/>` element.
|
|
#[derive(Debug, Clone)]
|
|
pub struct Identity {
|
|
/// Category of this identity.
|
|
pub category: String, // TODO: use an enum here.
|
|
|
|
/// Type of this identity.
|
|
pub type_: String, // TODO: use an enum here.
|
|
|
|
/// Lang of the name of this identity.
|
|
pub lang: Option<String>,
|
|
|
|
/// Name of this identity.
|
|
pub name: Option<String>,
|
|
}
|
|
|
|
impl Identity {
|
|
/// Create a new `<identity/>`.
|
|
pub fn new<C, T, L, N>(category: C, type_: T, lang: L, name: N) -> Identity
|
|
where C: Into<String>,
|
|
T: Into<String>,
|
|
L: Into<String>,
|
|
N: Into<String>,
|
|
{
|
|
Identity {
|
|
category: category.into(),
|
|
type_: type_.into(),
|
|
lang: Some(lang.into()),
|
|
name: Some(name.into()),
|
|
}
|
|
}
|
|
|
|
/// Create a new `<identity/>` without a name.
|
|
pub fn new_anonymous<C, T, L, N>(category: C, type_: T) -> Identity
|
|
where C: Into<String>,
|
|
T: Into<String>,
|
|
{
|
|
Identity {
|
|
category: category.into(),
|
|
type_: type_.into(),
|
|
lang: None,
|
|
name: None,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl TryFrom<Element> for Identity {
|
|
type Err = Error;
|
|
|
|
fn try_from(elem: Element) -> Result<Identity, Error> {
|
|
check_self!(elem, "identity", DISCO_INFO, "disco#info identity");
|
|
check_no_children!(elem, "disco#info identity");
|
|
check_no_unknown_attributes!(
|
|
elem,
|
|
"disco#info identity",
|
|
["category", "type", "xml:lang", "name"]
|
|
);
|
|
|
|
let category = get_attr!(elem, "category", Required);
|
|
if category == "" {
|
|
return Err(Error::ParseError(
|
|
"Identity must have a non-empty 'category' attribute.",
|
|
));
|
|
}
|
|
|
|
let type_ = get_attr!(elem, "type", Required);
|
|
if type_ == "" {
|
|
return Err(Error::ParseError(
|
|
"Identity must have a non-empty 'type' attribute.",
|
|
));
|
|
}
|
|
|
|
Ok(Identity {
|
|
category,
|
|
type_,
|
|
lang: get_attr!(elem, "xml:lang", Option),
|
|
name: get_attr!(elem, "name", Option),
|
|
})
|
|
}
|
|
}
|
|
|
|
impl From<Identity> for Element {
|
|
fn from(identity: Identity) -> Element {
|
|
Element::builder("identity")
|
|
.ns(ns::DISCO_INFO)
|
|
.attr("category", identity.category)
|
|
.attr("type", identity.type_)
|
|
.attr("xml:lang", identity.lang)
|
|
.attr("name", identity.name)
|
|
.build()
|
|
}
|
|
}
|
|
|
|
/// Structure representing a `<query xmlns='http://jabber.org/protocol/disco#info'/>` element.
|
|
///
|
|
/// It should only be used in an `<iq type='result'/>`, as it can only
|
|
/// represent the result, and not a request.
|
|
#[derive(Debug, Clone)]
|
|
pub struct DiscoInfoResult {
|
|
/// Node on which we have done this discovery.
|
|
pub node: Option<String>,
|
|
|
|
/// List of identities exposed by this entity.
|
|
pub identities: Vec<Identity>,
|
|
|
|
/// List of features supported by this entity.
|
|
pub features: Vec<Feature>,
|
|
|
|
/// List of extensions reported by this entity.
|
|
pub extensions: Vec<DataForm>,
|
|
}
|
|
|
|
impl IqResultPayload for DiscoInfoResult {}
|
|
|
|
impl TryFrom<Element> for DiscoInfoResult {
|
|
type Err = Error;
|
|
|
|
fn try_from(elem: Element) -> Result<DiscoInfoResult, Error> {
|
|
check_self!(elem, "query", DISCO_INFO, "disco#info result");
|
|
check_no_unknown_attributes!(elem, "disco#info result", ["node"]);
|
|
|
|
let mut result = DiscoInfoResult {
|
|
node: get_attr!(elem, "node", Option),
|
|
identities: vec![],
|
|
features: vec![],
|
|
extensions: vec![],
|
|
};
|
|
|
|
for child in elem.children() {
|
|
if child.is("identity", ns::DISCO_INFO) {
|
|
let identity = Identity::try_from(child.clone())?;
|
|
result.identities.push(identity);
|
|
} else if child.is("feature", ns::DISCO_INFO) {
|
|
let feature = Feature::try_from(child.clone())?;
|
|
result.features.push(feature);
|
|
} else if child.is("x", ns::DATA_FORMS) {
|
|
let data_form = DataForm::try_from(child.clone())?;
|
|
if data_form.type_ != DataFormType::Result_ {
|
|
return Err(Error::ParseError(
|
|
"Data form must have a 'result' type in disco#info.",
|
|
));
|
|
}
|
|
if data_form.form_type.is_none() {
|
|
return Err(Error::ParseError("Data form found without a FORM_TYPE."));
|
|
}
|
|
result.extensions.push(data_form);
|
|
} else {
|
|
return Err(Error::ParseError("Unknown element in disco#info."));
|
|
}
|
|
}
|
|
|
|
if result.identities.is_empty() {
|
|
return Err(Error::ParseError(
|
|
"There must be at least one identity in disco#info.",
|
|
));
|
|
}
|
|
if result.features.is_empty() {
|
|
return Err(Error::ParseError(
|
|
"There must be at least one feature in disco#info.",
|
|
));
|
|
}
|
|
if !result.features.contains(&Feature {
|
|
var: ns::DISCO_INFO.to_owned(),
|
|
}) {
|
|
return Err(Error::ParseError(
|
|
"disco#info feature not present in disco#info.",
|
|
));
|
|
}
|
|
|
|
Ok(result)
|
|
}
|
|
}
|
|
|
|
impl From<DiscoInfoResult> for Element {
|
|
fn from(disco: DiscoInfoResult) -> Element {
|
|
Element::builder("query")
|
|
.ns(ns::DISCO_INFO)
|
|
.attr("node", disco.node)
|
|
.append(disco.identities)
|
|
.append(disco.features)
|
|
.append(disco.extensions)
|
|
.build()
|
|
}
|
|
}
|
|
|
|
generate_element!(
|
|
/// Structure representing a `<query xmlns='http://jabber.org/protocol/disco#items'/>` element.
|
|
///
|
|
/// It should only be used in an `<iq type='get'/>`, as it can only represent
|
|
/// the request, and not a result.
|
|
DiscoItemsQuery, "query", DISCO_ITEMS,
|
|
attributes: [
|
|
/// Node on which we are doing the discovery.
|
|
node: Option<String> = "node",
|
|
]);
|
|
|
|
impl IqGetPayload for DiscoItemsQuery {}
|
|
|
|
generate_element!(
|
|
/// Structure representing an `<item xmlns='http://jabber.org/protocol/disco#items'/>` element.
|
|
Item, "item", DISCO_ITEMS,
|
|
attributes: [
|
|
/// JID of the entity pointed by this item.
|
|
jid: Required<Jid> = "jid",
|
|
/// Node of the entity pointed by this item.
|
|
node: Option<String> = "node",
|
|
/// Name of the entity pointed by this item.
|
|
name: Option<String> = "name",
|
|
]);
|
|
|
|
generate_element!(
|
|
/// Structure representing a `<query
|
|
/// xmlns='http://jabber.org/protocol/disco#items'/>` element.
|
|
///
|
|
/// It should only be used in an `<iq type='result'/>`, as it can only
|
|
/// represent the result, and not a request.
|
|
DiscoItemsResult, "query", DISCO_ITEMS,
|
|
attributes: [
|
|
/// Node on which we have done this discovery.
|
|
node: Option<String> = "node"
|
|
],
|
|
children: [
|
|
/// List of items pointed by this entity.
|
|
items: Vec<Item> = ("item", DISCO_ITEMS) => Item
|
|
]
|
|
);
|
|
|
|
impl IqResultPayload for DiscoItemsResult {}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::util::compare_elements::NamespaceAwareCompare;
|
|
use std::str::FromStr;
|
|
|
|
#[cfg(target_pointer_width = "32")]
|
|
#[test]
|
|
fn test_size() {
|
|
assert_size!(Identity, 48);
|
|
assert_size!(Feature, 12);
|
|
assert_size!(DiscoInfoQuery, 12);
|
|
assert_size!(DiscoInfoResult, 48);
|
|
|
|
assert_size!(Item, 60);
|
|
assert_size!(DiscoItemsQuery, 12);
|
|
assert_size!(DiscoItemsResult, 24);
|
|
}
|
|
|
|
#[cfg(target_pointer_width = "64")]
|
|
#[test]
|
|
fn test_size() {
|
|
assert_size!(Identity, 96);
|
|
assert_size!(Feature, 24);
|
|
assert_size!(DiscoInfoQuery, 24);
|
|
assert_size!(DiscoInfoResult, 96);
|
|
|
|
assert_size!(Item, 120);
|
|
assert_size!(DiscoItemsQuery, 24);
|
|
assert_size!(DiscoItemsResult, 48);
|
|
}
|
|
|
|
#[test]
|
|
fn test_simple() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='client' type='pc'/><feature var='http://jabber.org/protocol/disco#info'/></query>".parse().unwrap();
|
|
let query = DiscoInfoResult::try_from(elem).unwrap();
|
|
assert!(query.node.is_none());
|
|
assert_eq!(query.identities.len(), 1);
|
|
assert_eq!(query.features.len(), 1);
|
|
assert!(query.extensions.is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn test_identity_after_feature() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><feature var='http://jabber.org/protocol/disco#info'/><identity category='client' type='pc'/></query>".parse().unwrap();
|
|
let query = DiscoInfoResult::try_from(elem).unwrap();
|
|
assert_eq!(query.identities.len(), 1);
|
|
assert_eq!(query.features.len(), 1);
|
|
assert!(query.extensions.is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn test_feature_after_dataform() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='client' type='pc'/><x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>coucou</value></field></x><feature var='http://jabber.org/protocol/disco#info'/></query>".parse().unwrap();
|
|
let query = DiscoInfoResult::try_from(elem).unwrap();
|
|
assert_eq!(query.identities.len(), 1);
|
|
assert_eq!(query.features.len(), 1);
|
|
assert_eq!(query.extensions.len(), 1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_extension() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='client' type='pc'/><feature var='http://jabber.org/protocol/disco#info'/><x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>example</value></field></x></query>".parse().unwrap();
|
|
let elem1 = elem.clone();
|
|
let query = DiscoInfoResult::try_from(elem).unwrap();
|
|
assert!(query.node.is_none());
|
|
assert_eq!(query.identities.len(), 1);
|
|
assert_eq!(query.features.len(), 1);
|
|
assert_eq!(query.extensions.len(), 1);
|
|
assert_eq!(query.extensions[0].form_type, Some(String::from("example")));
|
|
|
|
let elem2 = query.into();
|
|
assert!(elem1.compare_to(&elem2));
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid() {
|
|
let elem: Element =
|
|
"<query xmlns='http://jabber.org/protocol/disco#info'><coucou/></query>"
|
|
.parse()
|
|
.unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "Unknown element in disco#info.");
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid_identity() {
|
|
let elem: Element =
|
|
"<query xmlns='http://jabber.org/protocol/disco#info'><identity/></query>"
|
|
.parse()
|
|
.unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "Required attribute 'category' missing.");
|
|
|
|
let elem: Element =
|
|
"<query xmlns='http://jabber.org/protocol/disco#info'><identity category=''/></query>"
|
|
.parse()
|
|
.unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(
|
|
message,
|
|
"Identity must have a non-empty 'category' attribute."
|
|
);
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='coucou'/></query>".parse().unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "Required attribute 'type' missing.");
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='coucou' type=''/></query>".parse().unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "Identity must have a non-empty 'type' attribute.");
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid_feature() {
|
|
let elem: Element =
|
|
"<query xmlns='http://jabber.org/protocol/disco#info'><feature/></query>"
|
|
.parse()
|
|
.unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "Required attribute 'var' missing.");
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid_result() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'/>"
|
|
.parse()
|
|
.unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(
|
|
message,
|
|
"There must be at least one identity in disco#info."
|
|
);
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='client' type='pc'/></query>".parse().unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "There must be at least one feature in disco#info.");
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#info'><identity category='client' type='pc'/><feature var='http://jabber.org/protocol/disco#items'/></query>".parse().unwrap();
|
|
let error = DiscoInfoResult::try_from(elem).unwrap_err();
|
|
let message = match error {
|
|
Error::ParseError(string) => string,
|
|
_ => panic!(),
|
|
};
|
|
assert_eq!(message, "disco#info feature not present in disco#info.");
|
|
}
|
|
|
|
#[test]
|
|
fn test_simple_items() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#items'/>"
|
|
.parse()
|
|
.unwrap();
|
|
let query = DiscoItemsQuery::try_from(elem).unwrap();
|
|
assert!(query.node.is_none());
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#items' node='coucou'/>"
|
|
.parse()
|
|
.unwrap();
|
|
let query = DiscoItemsQuery::try_from(elem).unwrap();
|
|
assert_eq!(query.node, Some(String::from("coucou")));
|
|
}
|
|
|
|
#[test]
|
|
fn test_simple_items_result() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#items'/>"
|
|
.parse()
|
|
.unwrap();
|
|
let query = DiscoItemsResult::try_from(elem).unwrap();
|
|
assert!(query.node.is_none());
|
|
assert!(query.items.is_empty());
|
|
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#items' node='coucou'/>"
|
|
.parse()
|
|
.unwrap();
|
|
let query = DiscoItemsResult::try_from(elem).unwrap();
|
|
assert_eq!(query.node, Some(String::from("coucou")));
|
|
assert!(query.items.is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn test_answers_items_result() {
|
|
let elem: Element = "<query xmlns='http://jabber.org/protocol/disco#items'><item jid='component'/><item jid='component2' node='test' name='A component'/></query>".parse().unwrap();
|
|
let query = DiscoItemsResult::try_from(elem).unwrap();
|
|
let elem2 = Element::from(query);
|
|
let query = DiscoItemsResult::try_from(elem2).unwrap();
|
|
assert_eq!(query.items.len(), 2);
|
|
assert_eq!(query.items[0].jid, Jid::from_str("component").unwrap());
|
|
assert_eq!(query.items[0].node, None);
|
|
assert_eq!(query.items[0].name, None);
|
|
assert_eq!(query.items[1].jid, Jid::from_str("component2").unwrap());
|
|
assert_eq!(query.items[1].node, Some(String::from("test")));
|
|
assert_eq!(query.items[1].name, Some(String::from("A component")));
|
|
}
|
|
}
|