Handling ConnectionManager subscriptions
This commit is contained in:
Igor Katson
parent
96eb5fec73
commit
a44acd947b
3 changed files with 138 additions and 151 deletions
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@ -70,26 +70,139 @@ impl Subscriptions {
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}
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}
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#[derive(Debug)]
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pub struct SubscribeRequest {
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pub callback: url::Url,
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pub subscription_id: Option<String>,
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pub timeout: Duration,
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}
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impl SubscribeRequest {
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pub fn parse(
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request: axum::extract::Request,
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) -> Result<SubscribeRequest, axum::response::Response> {
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if request.method().as_str() != "SUBSCRIBE" {
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return Err(StatusCode::METHOD_NOT_ALLOWED.into_response());
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}
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let (parts, _body) = request.into_parts();
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let is_event = parts
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.headers
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.get(HeaderName::from_static("nt"))
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.map(|v| v.as_bytes() == b"upnp:event")
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.unwrap_or_default();
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if !is_event {
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return Err((StatusCode::BAD_REQUEST, "expected NT: upnp:event header").into_response());
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}
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let callback = parts
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.headers
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.get(HeaderName::from_static("callback"))
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.and_then(|v| v.to_str().ok())
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.map(|s| s.trim_matches(|c| c == '>' || c == '<'))
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.and_then(|u| url::Url::parse(u).ok());
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let callback = match callback {
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Some(c) => c,
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None => return Err((StatusCode::BAD_REQUEST, "callback not provided").into_response()),
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};
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let subscription_id = parts
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.headers
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.get(HeaderName::from_static("sid"))
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.and_then(|v| v.to_str().ok());
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let timeout = parts
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.headers
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.get(HeaderName::from_static("timeout"))
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.and_then(|v| v.to_str().ok())
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.and_then(|t| t.strip_prefix("Second-"))
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.and_then(|t| t.parse::<u16>().ok())
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.map(|t| Duration::from_secs(t as u64));
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const DEFAULT_TIMEOUT: Duration = Duration::from_secs(1800);
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let timeout = timeout.unwrap_or(DEFAULT_TIMEOUT);
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Ok(SubscribeRequest {
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callback,
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subscription_id: subscription_id.map(|s| s.to_owned()),
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timeout,
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})
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}
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}
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pub(crate) enum SubscriptionResult {
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Renewed,
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Created { sid: String },
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}
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pub(crate) fn subscription_into_response(
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request: &SubscribeRequest,
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result: anyhow::Result<SubscriptionResult>,
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) -> axum::response::Response {
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let result = match result {
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Ok(r) => r,
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Err(e) => {
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warn!(error=?e, sub=?request, "error handling subscription request");
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return StatusCode::BAD_REQUEST.into_response();
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}
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};
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let sid = match result {
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SubscriptionResult::Renewed => match &request.subscription_id {
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Some(sid) => sid.clone(),
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None => return StatusCode::INTERNAL_SERVER_ERROR.into_response(),
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},
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SubscriptionResult::Created { sid } => sid,
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};
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(
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StatusCode::OK,
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[
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("SID", sid),
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("TIMEOUT", format!("Second-{}", request.timeout.as_secs())),
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],
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)
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.into_response()
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}
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impl UpnpServerStateInner {
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pub fn renew_content_directory_subscription(
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&self,
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sid: &str,
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new_timeout: Duration,
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) -> anyhow::Result<()> {
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self.content_directory_subscriptions
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.update_timeout(sid, new_timeout)
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pub(crate) fn handle_content_directory_subscription_request(
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self: &Arc<Self>,
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req: &SubscribeRequest,
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) -> anyhow::Result<SubscriptionResult> {
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match &req.subscription_id {
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Some(existing) => {
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self.content_directory_subscriptions
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.update_timeout(existing, req.timeout)?;
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Ok(SubscriptionResult::Renewed)
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}
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None => {
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let sid =
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self.new_content_directory_subscription(req.callback.clone(), req.timeout)?;
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Ok(SubscriptionResult::Created { sid })
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}
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}
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}
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pub fn renew_connection_manager_subscription(
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&self,
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sid: &str,
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new_timeout: Duration,
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) -> anyhow::Result<()> {
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self.content_directory_subscriptions
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.update_timeout(sid, new_timeout)
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pub(crate) fn handle_connection_manager_subscription_request(
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self: &Arc<Self>,
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req: &SubscribeRequest,
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) -> anyhow::Result<SubscriptionResult> {
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match &req.subscription_id {
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Some(existing) => {
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self.connection_manager_subscriptions
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.update_timeout(existing, req.timeout)?;
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Ok(SubscriptionResult::Renewed)
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}
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None => {
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let sid =
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self.new_connection_manager_subscription(req.callback.clone(), req.timeout)?;
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Ok(SubscriptionResult::Created { sid })
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}
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}
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}
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pub fn new_content_directory_subscription(
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fn new_content_directory_subscription(
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self: &Arc<Self>,
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url: url::Url,
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timeout: Duration,
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@ -174,7 +287,7 @@ impl UpnpServerStateInner {
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Ok(sid)
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}
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pub fn new_connection_manager_subscription(
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fn new_connection_manager_subscription(
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self: &Arc<Self>,
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url: url::Url,
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timeout: Duration,
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@ -222,62 +335,3 @@ impl UpnpServerStateInner {
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Ok(sid)
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}
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}
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pub struct SubscribeRequest {
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pub callback: url::Url,
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pub subscription_id: Option<String>,
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pub timeout: Duration,
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}
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impl SubscribeRequest {
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pub fn parse(
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request: axum::extract::Request,
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) -> Result<SubscribeRequest, axum::response::Response> {
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if request.method().as_str() != "SUBSCRIBE" {
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return Err(StatusCode::METHOD_NOT_ALLOWED.into_response());
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}
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let (parts, _body) = request.into_parts();
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let is_event = parts
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.headers
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.get(HeaderName::from_static("nt"))
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.map(|v| v.as_bytes() == b"upnp:event")
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.unwrap_or_default();
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if !is_event {
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return Err((StatusCode::BAD_REQUEST, "expected NT: upnp:event header").into_response());
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}
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let callback = parts
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.headers
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.get(HeaderName::from_static("callback"))
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.and_then(|v| v.to_str().ok())
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.map(|s| s.trim_matches(|c| c == '>' || c == '<'))
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.and_then(|u| url::Url::parse(u).ok());
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let callback = match callback {
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Some(c) => c,
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None => return Err((StatusCode::BAD_REQUEST, "callback not provided").into_response()),
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};
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let subscription_id = parts
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.headers
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.get(HeaderName::from_static("sid"))
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.and_then(|v| v.to_str().ok());
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let timeout = parts
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.headers
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.get(HeaderName::from_static("timeout"))
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.and_then(|v| v.to_str().ok())
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.and_then(|t| t.strip_prefix("Second-"))
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.and_then(|t| t.parse::<u16>().ok())
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.map(|t| Duration::from_secs(t as u64));
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const DEFAULT_TIMEOUT: Duration = Duration::from_secs(1800);
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let timeout = timeout.unwrap_or(DEFAULT_TIMEOUT);
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Ok(SubscribeRequest {
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callback,
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subscription_id: subscription_id.map(|s| s.to_owned()),
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timeout,
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})
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}
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}
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