xmpp-rs/parsers/src/jingle.rs
2024-08-09 16:08:26 +02:00

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// 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 xso::{AsXml, FromXml};
use crate::iq::IqSetPayload;
use crate::jingle_grouping::Group;
use crate::jingle_ibb::Transport as IbbTransport;
use crate::jingle_ice_udp::Transport as IceUdpTransport;
use crate::jingle_rtp::Description as RtpDescription;
use crate::jingle_s5b::Transport as Socks5Transport;
use crate::ns;
use jid::Jid;
use minidom::Element;
use std::collections::BTreeMap;
use std::fmt;
use std::str::FromStr;
use xso::error::{Error, FromElementError};
generate_attribute!(
/// The action attribute.
Action, "action", {
/// Accept a content-add action received from another party.
ContentAccept => "content-accept",
/// Add one or more new content definitions to the session.
ContentAdd => "content-add",
/// Change the directionality of media sending.
ContentModify => "content-modify",
/// Reject a content-add action received from another party.
ContentReject => "content-reject",
/// Remove one or more content definitions from the session.
ContentRemove => "content-remove",
/// Exchange information about parameters for an application type.
DescriptionInfo => "description-info",
/// Exchange information about security preconditions.
SecurityInfo => "security-info",
/// Definitively accept a session negotiation.
SessionAccept => "session-accept",
/// Send session-level information, such as a ping or a ringing message.
SessionInfo => "session-info",
/// Request negotiation of a new Jingle session.
SessionInitiate => "session-initiate",
/// End an existing session.
SessionTerminate => "session-terminate",
/// Accept a transport-replace action received from another party.
TransportAccept => "transport-accept",
/// Exchange transport candidates.
TransportInfo => "transport-info",
/// Reject a transport-replace action received from another party.
TransportReject => "transport-reject",
/// Redefine a transport method or replace it with a different method.
TransportReplace => "transport-replace",
}
);
generate_attribute!(
/// Which party originally generated the content type.
Creator, "creator", {
/// This content was created by the initiator of this session.
Initiator => "initiator",
/// This content was created by the responder of this session.
Responder => "responder",
}
);
generate_attribute!(
/// Which parties in the session will be generating content.
Senders, "senders", {
/// Both parties can send for this content.
Both => "both",
/// Only the initiator can send for this content.
Initiator => "initiator",
/// No one can send for this content.
None => "none",
/// Only the responder can send for this content.
Responder => "responder",
}, Default = Both
);
generate_attribute!(
/// How the content definition is to be interpreted by the recipient. The
/// meaning of this attribute matches the "Content-Disposition" header as
/// defined in RFC 2183 and applied to SIP by RFC 3261.
///
/// Possible values are defined here:
/// <https://www.iana.org/assignments/cont-disp/cont-disp.xhtml>
Disposition, "disposition", {
/// Displayed automatically.
Inline => "inline",
/// User controlled display.
Attachment => "attachment",
/// Process as form response.
FormData => "form-data",
/// Tunneled content to be processed silently.
Signal => "signal",
/// The body is a custom ring tone to alert the user.
Alert => "alert",
/// The body is displayed as an icon to the user.
Icon => "icon",
/// The body should be displayed to the user.
Render => "render",
/// The body contains a list of URIs that indicates the recipients of
/// the request.
RecipientListHistory => "recipient-list-history",
/// The body describes a communications session, for example, an
/// [RFC2327](https://www.rfc-editor.org/rfc/rfc2327) SDP body.
Session => "session",
/// Authenticated Identity Body.
Aib => "aib",
/// The body describes an early communications session, for example,
/// and [RFC2327](https://www.rfc-editor.org/rfc/rfc2327) SDP body.
EarlySession => "early-session",
/// The body includes a list of URIs to which URI-list services are to
/// be applied.
RecipientList => "recipient-list",
/// The payload of the message carrying this Content-Disposition header
/// field value is an Instant Message Disposition Notification as
/// requested in the corresponding Instant Message.
Notification => "notification",
/// The body needs to be handled according to a reference to the body
/// that is located in the same SIP message as the body.
ByReference => "by-reference",
/// The body contains information associated with an Info Package.
InfoPackage => "info-package",
/// The body describes either metadata about the RS or the reason for
/// the metadata snapshot request as determined by the MIME value
/// indicated in the Content-Type.
RecordingSession => "recording-session",
}, Default = Session
);
generate_id!(
/// An unique identifier in a session, referencing a
/// [struct.Content.html](Content element).
ContentId
);
/// Enum wrapping all of the various supported descriptions of a Content.
#[derive(AsXml, Debug, Clone, PartialEq)]
#[xml()]
pub enum Description {
/// Jingle RTP Sessions (XEP-0167) description.
#[xml(transparent)]
Rtp(RtpDescription),
/// To be used for any description that isnt known at compile-time.
// TODO: replace with `#[xml(element, name = ..)]` once we have it.
#[xml(transparent)]
Unknown(Element),
}
impl TryFrom<Element> for Description {
type Error = Error;
fn try_from(elem: Element) -> Result<Description, Error> {
Ok(if elem.is("description", ns::JINGLE_RTP) {
Description::Rtp(RtpDescription::try_from(elem)?)
} else if elem.name() == "description" {
Description::Unknown(elem)
} else {
return Err(Error::Other("Invalid description."));
})
}
}
impl ::xso::FromXml for Description {
type Builder = ::xso::minidom_compat::FromEventsViaElement<Description>;
fn from_events(
qname: ::xso::exports::rxml::QName,
attrs: ::xso::exports::rxml::AttrMap,
) -> Result<Self::Builder, ::xso::error::FromEventsError> {
if qname.1 != "description" {
return Err(::xso::error::FromEventsError::Mismatch { name: qname, attrs });
}
Self::Builder::new(qname, attrs)
}
}
impl From<RtpDescription> for Description {
fn from(desc: RtpDescription) -> Description {
Description::Rtp(desc)
}
}
/// Enum wrapping all of the various supported transports of a Content.
#[derive(AsXml, Debug, Clone, PartialEq)]
#[xml()]
pub enum Transport {
/// Jingle ICE-UDP Bytestreams (XEP-0176) transport.
#[xml(transparent)]
IceUdp(IceUdpTransport),
/// Jingle In-Band Bytestreams (XEP-0261) transport.
#[xml(transparent)]
Ibb(IbbTransport),
/// Jingle SOCKS5 Bytestreams (XEP-0260) transport.
#[xml(transparent)]
Socks5(Socks5Transport),
/// To be used for any transport that isnt known at compile-time.
// TODO: replace with `#[xml(element, name = ..)]` once we have it.
#[xml(transparent)]
Unknown(Element),
}
impl TryFrom<Element> for Transport {
type Error = Error;
fn try_from(elem: Element) -> Result<Transport, Error> {
Ok(if elem.is("transport", ns::JINGLE_ICE_UDP) {
Transport::IceUdp(IceUdpTransport::try_from(elem)?)
} else if elem.is("transport", ns::JINGLE_IBB) {
Transport::Ibb(IbbTransport::try_from(elem)?)
} else if elem.is("transport", ns::JINGLE_S5B) {
Transport::Socks5(Socks5Transport::try_from(elem)?)
} else if elem.name() == "transport" {
Transport::Unknown(elem)
} else {
return Err(Error::Other("Invalid transport."));
})
}
}
impl ::xso::FromXml for Transport {
type Builder = ::xso::minidom_compat::FromEventsViaElement<Transport>;
fn from_events(
qname: ::xso::exports::rxml::QName,
attrs: ::xso::exports::rxml::AttrMap,
) -> Result<Self::Builder, ::xso::error::FromEventsError> {
if qname.1 != "transport" {
return Err(::xso::error::FromEventsError::Mismatch { name: qname, attrs });
}
Self::Builder::new(qname, attrs)
}
}
impl From<IceUdpTransport> for Transport {
fn from(transport: IceUdpTransport) -> Transport {
Transport::IceUdp(transport)
}
}
impl From<IbbTransport> for Transport {
fn from(transport: IbbTransport) -> Transport {
Transport::Ibb(transport)
}
}
impl From<Socks5Transport> for Transport {
fn from(transport: Socks5Transport) -> Transport {
Transport::Socks5(transport)
}
}
/// A security element inside a Jingle content, stubbed for now.
#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
#[xml(namespace = ns::JINGLE, name = "security")]
pub struct Security;
/// Describes a sessions content, there can be multiple content in one
/// session.
#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
#[xml(namespace = ns::JINGLE, name = "content")]
pub struct Content {
/// Who created this content.
#[xml(attribute)]
pub creator: Creator,
/// How the content definition is to be interpreted by the recipient.
#[xml(attribute(default))]
pub disposition: Disposition,
/// A per-session unique identifier for this content.
#[xml(attribute)]
pub name: ContentId,
/// Who can send data for this content.
#[xml(attribute(default))]
pub senders: Senders,
/// What to send.
#[xml(child(default))]
pub description: Option<Description>,
/// How to send it.
#[xml(child(default))]
pub transport: Option<Transport>,
/// With which security.
#[xml(child(default))]
pub security: Option<Security>,
}
impl Content {
/// Create a new content.
pub fn new(creator: Creator, name: ContentId) -> Content {
Content {
creator,
name,
disposition: Disposition::Session,
senders: Senders::Both,
description: None,
transport: None,
security: None,
}
}
/// Set how the content is to be interpreted by the recipient.
pub fn with_disposition(mut self, disposition: Disposition) -> Content {
self.disposition = disposition;
self
}
/// Specify who can send data for this content.
pub fn with_senders(mut self, senders: Senders) -> Content {
self.senders = senders;
self
}
/// Set the description of this content.
pub fn with_description<D: Into<Description>>(mut self, description: D) -> Content {
self.description = Some(description.into());
self
}
/// Set the transport of this content.
pub fn with_transport<T: Into<Transport>>(mut self, transport: T) -> Content {
self.transport = Some(transport.into());
self
}
/// Set the security of this content.
pub fn with_security(mut self, security: Security) -> Content {
self.security = Some(security);
self
}
}
/// Lists the possible reasons to be included in a Jingle iq.
#[derive(Debug, Clone, PartialEq)]
pub enum Reason {
/// The party prefers to use an existing session with the peer rather than
/// initiate a new session; the Jingle session ID of the alternative
/// session SHOULD be provided as the XML character data of the \<sid/\>
/// child.
AlternativeSession, //(String),
/// The party is busy and cannot accept a session.
Busy,
/// The initiator wishes to formally cancel the session initiation request.
Cancel,
/// The action is related to connectivity problems.
ConnectivityError,
/// The party wishes to formally decline the session.
Decline,
/// The session length has exceeded a pre-defined time limit (e.g., a
/// meeting hosted at a conference service).
Expired,
/// The party has been unable to initialize processing related to the
/// application type.
FailedApplication,
/// The party has been unable to establish connectivity for the transport
/// method.
FailedTransport,
/// The action is related to a non-specific application error.
GeneralError,
/// The entity is going offline or is no longer available.
Gone,
/// The party supports the offered application type but does not support
/// the offered or negotiated parameters.
IncompatibleParameters,
/// The action is related to media processing problems.
MediaError,
/// The action is related to a violation of local security policies.
SecurityError,
/// The action is generated during the normal course of state management
/// and does not reflect any error.
Success,
/// A request has not been answered so the sender is timing out the
/// request.
Timeout,
/// The party supports none of the offered application types.
UnsupportedApplications,
/// The party supports none of the offered transport methods.
UnsupportedTransports,
}
impl FromStr for Reason {
type Err = Error;
fn from_str(s: &str) -> Result<Reason, Error> {
Ok(match s {
"alternative-session" => Reason::AlternativeSession,
"busy" => Reason::Busy,
"cancel" => Reason::Cancel,
"connectivity-error" => Reason::ConnectivityError,
"decline" => Reason::Decline,
"expired" => Reason::Expired,
"failed-application" => Reason::FailedApplication,
"failed-transport" => Reason::FailedTransport,
"general-error" => Reason::GeneralError,
"gone" => Reason::Gone,
"incompatible-parameters" => Reason::IncompatibleParameters,
"media-error" => Reason::MediaError,
"security-error" => Reason::SecurityError,
"success" => Reason::Success,
"timeout" => Reason::Timeout,
"unsupported-applications" => Reason::UnsupportedApplications,
"unsupported-transports" => Reason::UnsupportedTransports,
_ => return Err(Error::Other("Unknown reason.")),
})
}
}
impl From<Reason> for Element {
fn from(reason: Reason) -> Element {
Element::builder(
match reason {
Reason::AlternativeSession => "alternative-session",
Reason::Busy => "busy",
Reason::Cancel => "cancel",
Reason::ConnectivityError => "connectivity-error",
Reason::Decline => "decline",
Reason::Expired => "expired",
Reason::FailedApplication => "failed-application",
Reason::FailedTransport => "failed-transport",
Reason::GeneralError => "general-error",
Reason::Gone => "gone",
Reason::IncompatibleParameters => "incompatible-parameters",
Reason::MediaError => "media-error",
Reason::SecurityError => "security-error",
Reason::Success => "success",
Reason::Timeout => "timeout",
Reason::UnsupportedApplications => "unsupported-applications",
Reason::UnsupportedTransports => "unsupported-transports",
},
ns::JINGLE,
)
.build()
}
}
type Lang = String;
/// Informs the recipient of something.
#[derive(Debug, Clone, PartialEq)]
pub struct ReasonElement {
/// The list of possible reasons to be included in a Jingle iq.
pub reason: Reason,
/// A human-readable description of this reason.
pub texts: BTreeMap<Lang, String>,
}
impl fmt::Display for ReasonElement {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
write!(fmt, "{}", Element::from(self.reason.clone()).name())?;
if let Some(text) = self.texts.get("en") {
write!(fmt, ": {}", text)?;
} else if let Some(text) = self.texts.get("") {
write!(fmt, ": {}", text)?;
}
Ok(())
}
}
impl TryFrom<Element> for ReasonElement {
type Error = FromElementError;
fn try_from(elem: Element) -> Result<ReasonElement, FromElementError> {
check_self!(elem, "reason", JINGLE);
check_no_attributes!(elem, "reason");
let mut reason = None;
let mut texts = BTreeMap::new();
for child in elem.children() {
if child.is("text", ns::JINGLE) {
check_no_children!(child, "text");
check_no_unknown_attributes!(child, "text", ["xml:lang"]);
let lang = get_attr!(elem, "xml:lang", Default);
if texts.insert(lang, child.text()).is_some() {
return Err(
Error::Other("Text element present twice for the same xml:lang.").into(),
);
}
} else if child.has_ns(ns::JINGLE) {
if reason.is_some() {
return Err(Error::Other("Reason must not have more than one reason.").into());
}
check_no_children!(child, "reason");
check_no_attributes!(child, "reason");
reason = Some(child.name().parse()?);
} else {
return Err(Error::Other("Reason contains a foreign element.").into());
}
}
let reason = reason.ok_or(Error::Other("Reason doesnt contain a valid reason."))?;
Ok(ReasonElement { reason, texts })
}
}
impl From<ReasonElement> for Element {
fn from(reason: ReasonElement) -> Element {
Element::builder("reason", ns::JINGLE)
.append(Element::from(reason.reason))
.append_all(reason.texts.into_iter().map(|(lang, text)| {
Element::builder("text", ns::JINGLE)
.attr("xml:lang", lang)
.append(text)
}))
.build()
}
}
impl ::xso::FromXml for ReasonElement {
type Builder = ::xso::minidom_compat::FromEventsViaElement<ReasonElement>;
fn from_events(
qname: ::xso::exports::rxml::QName,
attrs: ::xso::exports::rxml::AttrMap,
) -> Result<Self::Builder, ::xso::error::FromEventsError> {
if qname.0 != crate::ns::JINGLE || qname.1 != "reason" {
return Err(::xso::error::FromEventsError::Mismatch { name: qname, attrs });
}
Self::Builder::new(qname, attrs)
}
}
impl ::xso::AsXml for ReasonElement {
type ItemIter<'x> = ::xso::minidom_compat::AsItemsViaElement<'x>;
fn as_xml_iter(&self) -> Result<Self::ItemIter<'_>, ::xso::error::Error> {
::xso::minidom_compat::AsItemsViaElement::new(self.clone())
}
}
generate_id!(
/// Unique identifier for a session between two JIDs.
SessionId
);
/// The main Jingle container, to be included in an iq stanza.
#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
#[xml(namespace = ns::JINGLE, name = "jingle")]
pub struct Jingle {
/// The action to execute on both ends.
#[xml(attribute)]
pub action: Action,
/// Who the initiator is.
#[xml(attribute(default))]
pub initiator: Option<Jid>,
/// Who the responder is.
#[xml(attribute(default))]
pub responder: Option<Jid>,
/// Unique session identifier between two entities.
#[xml(attribute)]
pub sid: SessionId,
/// A list of contents to be negotiated in this session.
#[xml(child(n = ..))]
pub contents: Vec<Content>,
/// An optional reason.
#[xml(child(default))]
pub reason: Option<ReasonElement>,
/// An optional grouping.
#[xml(child(default))]
pub group: Option<Group>,
/// Payloads to be included.
#[xml(child(n = ..))]
pub other: Vec<Element>,
}
impl IqSetPayload for Jingle {}
impl Jingle {
/// Create a new Jingle element.
pub fn new(action: Action, sid: SessionId) -> Jingle {
Jingle {
action,
sid,
initiator: None,
responder: None,
contents: Vec::new(),
reason: None,
group: None,
other: Vec::new(),
}
}
/// Set the initiators JID.
pub fn with_initiator(mut self, initiator: Jid) -> Jingle {
self.initiator = Some(initiator);
self
}
/// Set the responders JID.
pub fn with_responder(mut self, responder: Jid) -> Jingle {
self.responder = Some(responder);
self
}
/// Add a content to this Jingle container.
pub fn add_content(mut self, content: Content) -> Jingle {
self.contents.push(content);
self
}
/// Set the reason in this Jingle container.
pub fn set_reason(mut self, reason: ReasonElement) -> Jingle {
self.reason = Some(reason);
self
}
/// Set the grouping in this Jingle container.
pub fn set_group(mut self, group: Group) -> Jingle {
self.group = Some(group);
self
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(target_pointer_width = "32")]
#[test]
fn test_size() {
assert_size!(Action, 1);
assert_size!(Creator, 1);
assert_size!(Senders, 1);
assert_size!(Disposition, 1);
assert_size!(ContentId, 12);
assert_size!(Content, 156);
assert_size!(Reason, 1);
assert_size!(ReasonElement, 16);
assert_size!(SessionId, 12);
assert_size!(Jingle, 104);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_size() {
assert_size!(Action, 1);
assert_size!(Creator, 1);
assert_size!(Senders, 1);
assert_size!(Disposition, 1);
assert_size!(ContentId, 24);
assert_size!(Content, 312);
assert_size!(Reason, 1);
assert_size!(ReasonElement, 32);
assert_size!(SessionId, 24);
assert_size!(Jingle, 208);
}
#[test]
fn test_simple() {
let elem: Element =
"<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'/>"
.parse()
.unwrap();
let jingle = Jingle::try_from(elem).unwrap();
assert_eq!(jingle.action, Action::SessionInitiate);
assert_eq!(jingle.sid, SessionId(String::from("coucou")));
}
#[test]
fn test_invalid_jingle() {
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1'/>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(
message,
"Required attribute field 'action' on Jingle element missing."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-info'/>"
.parse()
.unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(
message,
"Required attribute field 'sid' on Jingle element missing."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='coucou' sid='coucou'/>"
.parse()
.unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::TextParseError(string)) => string,
_ => panic!(),
};
assert_eq!(message.to_string(), "Unknown value for 'action' attribute.");
}
#[test]
fn test_content() {
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou'><description/><transport xmlns='urn:xmpp:jingle:transports:stub:0'/></content></jingle>".parse().unwrap();
let jingle = Jingle::try_from(elem).unwrap();
assert_eq!(jingle.contents[0].creator, Creator::Initiator);
assert_eq!(jingle.contents[0].name, ContentId(String::from("coucou")));
assert_eq!(jingle.contents[0].senders, Senders::Both);
assert_eq!(jingle.contents[0].disposition, Disposition::Session);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders='both'><description/><transport xmlns='urn:xmpp:jingle:transports:stub:0'/></content></jingle>".parse().unwrap();
let jingle = Jingle::try_from(elem).unwrap();
assert_eq!(jingle.contents[0].senders, Senders::Both);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' disposition='early-session'><description/><transport xmlns='urn:xmpp:jingle:transports:stub:0'/></content></jingle>".parse().unwrap();
let jingle = Jingle::try_from(elem).unwrap();
assert_eq!(jingle.contents[0].disposition, Disposition::EarlySession);
}
#[test]
fn test_invalid_content() {
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(
message,
"Required attribute field 'creator' on Content element missing."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator'/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(
message,
"Required attribute field 'name' on Content element missing."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='coucou' name='coucou'/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::TextParseError(string)) => string,
other => panic!("unexpected result: {:?}", other),
};
assert_eq!(
message.to_string(),
"Unknown value for 'creator' attribute."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders='coucou'/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::TextParseError(string)) => string,
_ => panic!(),
};
assert_eq!(
message.to_string(),
"Unknown value for 'senders' attribute."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders=''/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::TextParseError(string)) => string,
_ => panic!(),
};
assert_eq!(
message.to_string(),
"Unknown value for 'senders' attribute."
);
}
#[test]
fn test_reason() {
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><success/></reason></jingle>".parse().unwrap();
let jingle = Jingle::try_from(elem).unwrap();
let reason = jingle.reason.unwrap();
assert_eq!(reason.reason, Reason::Success);
assert_eq!(reason.texts, BTreeMap::new());
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><success/><text>coucou</text></reason></jingle>".parse().unwrap();
let jingle = Jingle::try_from(elem).unwrap();
let reason = jingle.reason.unwrap();
assert_eq!(reason.reason, Reason::Success);
assert_eq!(reason.texts.get(""), Some(&String::from("coucou")));
}
#[test]
fn test_invalid_reason() {
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(message, "Reason doesnt contain a valid reason.");
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><a/></reason></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown reason.");
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><a xmlns='http://www.w3.org/1999/xhtml'/></reason></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(message, "Reason contains a foreign element.");
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><decline/></reason><reason/></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(
message,
"Jingle element must not have more than one child in field 'reason'."
);
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><decline/><text/><text/></reason></jingle>".parse().unwrap();
let error = Jingle::try_from(elem).unwrap_err();
let message = match error {
FromElementError::Invalid(Error::Other(string)) => string,
_ => panic!(),
};
assert_eq!(message, "Text element present twice for the same xml:lang.");
}
#[test]
fn test_serialize_jingle() {
let reference: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='a73sjjvkla37jfea'><content xmlns='urn:xmpp:jingle:1' creator='initiator' name='this-is-a-stub'><description xmlns='urn:xmpp:jingle:apps:stub:0'/><transport xmlns='urn:xmpp:jingle:transports:stub:0'/></content></jingle>"
.parse()
.unwrap();
let jingle = Jingle {
action: Action::SessionInitiate,
initiator: None,
responder: None,
sid: SessionId(String::from("a73sjjvkla37jfea")),
contents: vec![Content {
creator: Creator::Initiator,
disposition: Disposition::default(),
name: ContentId(String::from("this-is-a-stub")),
senders: Senders::default(),
description: Some(Description::Unknown(
Element::builder("description", "urn:xmpp:jingle:apps:stub:0").build(),
)),
transport: Some(Transport::Unknown(
Element::builder("transport", "urn:xmpp:jingle:transports:stub:0").build(),
)),
security: None,
}],
reason: None,
group: None,
other: vec![],
};
let serialized: Element = jingle.into();
assert_eq!(serialized, reference);
}
}