466 lines
15 KiB
Rust
466 lines
15 KiB
Rust
// Copyright (c) 2017-2021 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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use xso::{
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error::{Error, FromElementError},
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AsXml, FromXml,
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};
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use crate::data_forms::DataForm;
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use crate::date::DateTime;
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use crate::forwarding::Forwarded;
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use crate::iq::{IqGetPayload, IqResultPayload, IqSetPayload};
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use crate::message::MessagePayload;
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use crate::ns;
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use crate::pubsub::NodeName;
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use crate::rsm::{SetQuery, SetResult};
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use minidom::Element;
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use minidom::Node;
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generate_id!(
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/// An identifier matching a result message to the query requesting it.
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QueryId
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);
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/// Starts a query to the archive.
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#[derive(Debug)]
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pub struct Query {
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/// An optional identifier for matching forwarded messages to this
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/// query.
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pub queryid: Option<QueryId>,
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/// Must be set to Some when querying a PubSub node’s archive.
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pub node: Option<NodeName>,
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/// Used for filtering the results.
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pub form: Option<DataForm>,
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/// Used for paging through results.
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pub set: Option<SetQuery>,
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/// Used for reversing the order of the results.
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pub flip_page: bool,
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}
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impl IqGetPayload for Query {}
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impl IqSetPayload for Query {}
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impl IqResultPayload for Query {}
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impl TryFrom<Element> for Query {
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type Error = FromElementError;
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fn try_from(elem: Element) -> Result<Query, FromElementError> {
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check_self!(elem, "query", MAM);
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check_no_unknown_attributes!(elem, "query", ["queryid", "node"]);
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let mut form = None;
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let mut set = None;
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let mut flip_page = false;
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for child in elem.children() {
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if child.is("x", ns::DATA_FORMS) {
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if form.is_some() {
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return Err(
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Error::Other("Element query must not have more than one x child.").into(),
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);
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}
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form = Some(DataForm::try_from(child.clone())?);
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continue;
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}
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if child.is("set", ns::RSM) {
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if set.is_some() {
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return Err(Error::Other(
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"Element query must not have more than one set child.",
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)
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.into());
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}
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set = Some(SetQuery::try_from(child.clone())?);
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continue;
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}
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if child.is("flip-page", ns::MAM) {
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if flip_page {
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return Err(Error::Other(
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"Element query must not have more than one flip-page child.",
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)
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.into());
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}
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flip_page = true;
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continue;
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}
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return Err(Error::Other("Unknown child in query element.").into());
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}
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Ok(Query {
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queryid: match elem.attr("queryid") {
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Some(value) => Some(value.parse()?),
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None => None,
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},
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node: match elem.attr("node") {
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Some(value) => Some(value.parse()?),
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None => None,
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},
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form,
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set,
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flip_page,
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})
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}
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}
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impl From<Query> for Element {
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fn from(elem: Query) -> Element {
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let mut builder = Element::builder("query", ns::MAM);
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builder = builder.attr("queryid", elem.queryid);
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builder = builder.attr("node", elem.node);
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builder = builder.append_all(elem.form.map(|elem| Node::Element(Element::from(elem))));
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builder = builder.append_all(elem.set.map(|elem| Node::Element(Element::from(elem))));
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if elem.flip_page {
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let flip_page = Element::builder("flip-page", ns::MAM).build();
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builder = builder.append(Node::Element(flip_page));
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}
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builder.build()
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}
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}
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/// The wrapper around forwarded stanzas.
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#[derive(FromXml, AsXml, PartialEq, Debug, Clone)]
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#[xml(namespace = ns::MAM, name = "result")]
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pub struct Result_ {
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/// The stanza-id under which the archive stored this stanza.
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#[xml(attribute)]
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pub id: String,
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/// The same queryid as the one requested in the
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/// [query](struct.Query.html).
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#[xml(attribute(default))]
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pub queryid: Option<QueryId>,
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/// The actual stanza being forwarded.
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#[xml(child)]
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pub forwarded: Forwarded,
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}
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impl MessagePayload for Result_ {}
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generate_attribute!(
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/// True when the end of a MAM query has been reached.
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Complete,
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"complete",
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bool
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);
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/// Notes the end of a page in a query.
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#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
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#[xml(namespace = ns::MAM, name = "fin")]
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pub struct Fin {
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/// True when the end of a MAM query has been reached.
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#[xml(attribute(default))]
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pub complete: Complete,
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/// Describes the current page, it should contain at least [first]
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/// (with an [index]) and [last], and generally [count].
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///
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/// [first]: ../rsm/struct.SetResult.html#structfield.first
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/// [index]: ../rsm/struct.SetResult.html#structfield.first_index
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/// [last]: ../rsm/struct.SetResult.html#structfield.last
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/// [count]: ../rsm/struct.SetResult.html#structfield.count
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#[xml(child)]
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pub set: SetResult,
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}
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impl IqResultPayload for Fin {}
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/// Metadata of the first message in the archive.
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#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
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#[xml(namespace = ns::MAM, name = "start")]
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pub struct Start {
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/// The id of the first message in the archive.
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#[xml(attribute)]
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pub id: String,
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/// Time at which that message was sent.
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#[xml(attribute)]
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pub timestamp: DateTime,
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}
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/// Metadata of the last message in the archive.
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#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
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#[xml(namespace = ns::MAM, name = "end")]
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pub struct End {
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/// The id of the last message in the archive.
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#[xml(attribute)]
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pub id: String,
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/// Time at which that message was sent.
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#[xml(attribute)]
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pub timestamp: DateTime,
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}
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/// Request an archive for its metadata.
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#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
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#[xml(namespace = ns::MAM, name = "metadata")]
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pub struct MetadataQuery;
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impl IqGetPayload for MetadataQuery {}
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/// Response from the archive, containing the start and end metadata if it isn’t empty.
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#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
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#[xml(namespace = ns::MAM, name = "metadata")]
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pub struct MetadataResponse {
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/// Metadata about the first message in the archive.
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#[xml(child(default))]
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pub start: Option<Start>,
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/// Metadata about the last message in the archive.
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#[xml(child(default))]
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pub end: Option<End>,
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}
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impl IqResultPayload for MetadataResponse {}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[cfg(target_pointer_width = "32")]
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#[test]
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fn test_size() {
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assert_size!(QueryId, 12);
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assert_size!(Query, 120);
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assert_size!(Result_, 164);
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assert_size!(Complete, 1);
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assert_size!(Fin, 44);
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assert_size!(Start, 28);
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assert_size!(End, 28);
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assert_size!(MetadataQuery, 0);
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assert_size!(MetadataResponse, 56);
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}
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#[cfg(target_pointer_width = "64")]
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#[test]
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fn test_size() {
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assert_size!(QueryId, 24);
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assert_size!(Query, 240);
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assert_size!(Result_, 312);
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assert_size!(Complete, 1);
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assert_size!(Fin, 88);
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assert_size!(Start, 40);
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assert_size!(End, 40);
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assert_size!(MetadataQuery, 0);
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assert_size!(MetadataResponse, 80);
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}
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#[test]
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fn test_query() {
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let elem: Element = "<query xmlns='urn:xmpp:mam:2'/>".parse().unwrap();
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Query::try_from(elem).unwrap();
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}
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#[test]
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fn test_result() {
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#[cfg(not(feature = "component"))]
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let elem: Element = r#"<result xmlns='urn:xmpp:mam:2' queryid='f27' id='28482-98726-73623'>
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<forwarded xmlns='urn:xmpp:forward:0'>
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<delay xmlns='urn:xmpp:delay' stamp='2010-07-10T23:08:25Z'/>
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<message xmlns='jabber:client' from="witch@shakespeare.lit" to="macbeth@shakespeare.lit">
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<body>Hail to thee</body>
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</message>
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</forwarded>
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</result>
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"#
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.parse()
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.unwrap();
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#[cfg(feature = "component")]
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let elem: Element = r#"<result xmlns='urn:xmpp:mam:2' queryid='f27' id='28482-98726-73623'>
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<forwarded xmlns='urn:xmpp:forward:0'>
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<delay xmlns='urn:xmpp:delay' stamp='2010-07-10T23:08:25Z'/>
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<message xmlns='jabber:component:accept' from="witch@shakespeare.lit" to="macbeth@shakespeare.lit">
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<body>Hail to thee</body>
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</message>
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</forwarded>
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</result>
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"#.parse().unwrap();
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Result_::try_from(elem).unwrap();
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}
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#[test]
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fn test_fin() {
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let elem: Element = r#"<fin xmlns='urn:xmpp:mam:2'>
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<set xmlns='http://jabber.org/protocol/rsm'>
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<first index='0'>28482-98726-73623</first>
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<last>09af3-cc343-b409f</last>
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</set>
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</fin>
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"#
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.parse()
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.unwrap();
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Fin::try_from(elem).unwrap();
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}
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#[test]
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fn test_query_x() {
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let elem: Element = r#"<query xmlns='urn:xmpp:mam:2'>
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<x xmlns='jabber:x:data' type='submit'>
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<field var='FORM_TYPE' type='hidden'>
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<value>urn:xmpp:mam:2</value>
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</field>
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<field var='with'>
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<value>juliet@capulet.lit</value>
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</field>
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</x>
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</query>
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"#
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.parse()
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.unwrap();
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Query::try_from(elem).unwrap();
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}
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#[test]
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fn test_query_x_set() {
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let elem: Element = r#"<query xmlns='urn:xmpp:mam:2'>
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<x xmlns='jabber:x:data' type='submit'>
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<field var='FORM_TYPE' type='hidden'>
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<value>urn:xmpp:mam:2</value>
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</field>
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<field var='start'>
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<value>2010-08-07T00:00:00Z</value>
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</field>
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</x>
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<set xmlns='http://jabber.org/protocol/rsm'>
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<max>10</max>
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</set>
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</query>
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"#
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.parse()
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.unwrap();
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Query::try_from(elem).unwrap();
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}
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#[test]
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fn test_query_x_set_flipped() {
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let elem: Element = r#"<query xmlns='urn:xmpp:mam:2'>
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<x xmlns='jabber:x:data' type='submit'>
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<field var='FORM_TYPE' type='hidden'>
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<value>urn:xmpp:mam:2</value>
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</field>
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<field var='start'>
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<value>2010-08-07T00:00:00Z</value>
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</field>
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</x>
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<set xmlns='http://jabber.org/protocol/rsm'>
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<max>10</max>
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</set>
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<flip-page/>
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</query>
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"#
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.parse()
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.unwrap();
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Query::try_from(elem).unwrap();
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}
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#[test]
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fn test_metadata() {
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let elem: Element = r"<metadata xmlns='urn:xmpp:mam:2'/>".parse().unwrap();
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MetadataQuery::try_from(elem).unwrap();
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let elem: Element = r"<metadata xmlns='urn:xmpp:mam:2'>
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<start id='YWxwaGEg' timestamp='2008-08-22T21:09:04Z' />
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<end id='b21lZ2Eg' timestamp='2020-04-20T14:34:21Z' />
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</metadata>"
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.parse()
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.unwrap();
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let metadata = MetadataResponse::try_from(elem).unwrap();
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let start = metadata.start.unwrap();
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let end = metadata.end.unwrap();
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assert_eq!(start.id, "YWxwaGEg");
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assert_eq!(start.timestamp.0.timestamp(), 1219439344);
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assert_eq!(end.id, "b21lZ2Eg");
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assert_eq!(end.timestamp.0.timestamp(), 1587393261);
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}
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#[test]
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fn test_invalid_child() {
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let elem: Element = "<query xmlns='urn:xmpp:mam:2'><coucou/></query>"
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.parse()
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.unwrap();
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let error = Query::try_from(elem).unwrap_err();
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let message = match error {
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FromElementError::Invalid(Error::Other(string)) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Unknown child in query element.");
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}
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#[test]
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fn test_serialise_empty() {
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let elem: Element = "<query xmlns='urn:xmpp:mam:2'/>".parse().unwrap();
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let replace = Query {
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queryid: None,
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node: None,
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form: None,
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set: None,
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flip_page: false,
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};
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let elem2 = replace.into();
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assert_eq!(elem, elem2);
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}
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#[test]
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fn test_serialize_query_with_form() {
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let reference: Element = "<query xmlns='urn:xmpp:mam:2'><x xmlns='jabber:x:data' type='submit'><field xmlns='jabber:x:data' var='FORM_TYPE' type='hidden'><value xmlns='jabber:x:data'>urn:xmpp:mam:2</value></field><field xmlns='jabber:x:data' var='with'><value xmlns='jabber:x:data'>juliet@capulet.lit</value></field></x><flip-page/></query>"
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.parse()
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.unwrap();
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let elem: Element = "<x xmlns='jabber:x:data' type='submit'><field xmlns='jabber:x:data' var='FORM_TYPE' type='hidden'><value xmlns='jabber:x:data'>urn:xmpp:mam:2</value></field><field xmlns='jabber:x:data' var='with'><value xmlns='jabber:x:data'>juliet@capulet.lit</value></field></x>"
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.parse()
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.unwrap();
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let form = DataForm::try_from(elem).unwrap();
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let query = Query {
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queryid: None,
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node: None,
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set: None,
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form: Some(form),
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flip_page: true,
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};
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let serialized: Element = query.into();
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assert_eq!(serialized, reference);
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}
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#[test]
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fn test_serialize_result() {
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let reference: Element = "<result xmlns='urn:xmpp:mam:2' queryid='f27' id='28482-98726-73623'><forwarded xmlns='urn:xmpp:forward:0'><delay xmlns='urn:xmpp:delay' stamp='2002-09-10T23:08:25+00:00'/><message xmlns='jabber:client' to='juliet@capulet.example/balcony' from='romeo@montague.example/home'/></forwarded></result>"
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.parse()
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.unwrap();
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let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'><delay xmlns='urn:xmpp:delay' stamp='2002-09-10T23:08:25+00:00'/><message xmlns='jabber:client' to='juliet@capulet.example/balcony' from='romeo@montague.example/home'/></forwarded>"
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.parse()
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.unwrap();
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let forwarded = Forwarded::try_from(elem).unwrap();
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let result = Result_ {
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id: String::from("28482-98726-73623"),
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queryid: Some(QueryId(String::from("f27"))),
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forwarded,
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};
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let serialized: Element = result.into();
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assert_eq!(serialized, reference);
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}
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#[test]
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fn test_serialize_fin() {
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let reference: Element = "<fin xmlns='urn:xmpp:mam:2'><set xmlns='http://jabber.org/protocol/rsm'><first index='0'>28482-98726-73623</first><last>09af3-cc343-b409f</last></set></fin>"
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.parse()
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.unwrap();
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let elem: Element = "<set xmlns='http://jabber.org/protocol/rsm'><first index='0'>28482-98726-73623</first><last>09af3-cc343-b409f</last></set>"
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.parse()
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.unwrap();
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let set = SetResult::try_from(elem).unwrap();
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let fin = Fin {
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set,
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complete: Complete::default(),
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};
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let serialized: Element = fin.into();
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assert_eq!(serialized, reference);
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}
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}
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