Introduce parser metadata for request

components/net_traits/request.rs

@@ -134,6 +134,14 @@ pub enum CorsSettings {
     UseCredentials,
 }
 
+/// [Parser Metadata](https://fetch.spec.whatwg.org/#concept-request-parser-metadata)
+#[derive(Clone, Copy, Debug, Deserialize, MallocSizeOf, PartialEq, Serialize)]
+pub enum ParserMetadata {
+    Default,
+    ParserInserted,
+    NotParserInserted,
+}
+
 #[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
 pub struct RequestBuilder {
     #[serde(
@@ -169,6 +177,7 @@ pub struct RequestBuilder {
     pub integrity_metadata: String,
     // to keep track of redirects
     pub url_list: Vec<ServoUrl>,
+    pub parser_metadata: ParserMetadata,
 }
 
 impl RequestBuilder {
@@ -194,6 +203,7 @@ impl RequestBuilder {
             redirect_mode: RedirectMode::Follow,
             integrity_metadata: "".to_owned(),
             url_list: vec![],
+            parser_metadata: ParserMetadata::Default,
         }
     }
 
@@ -295,6 +305,11 @@ impl RequestBuilder {
         self
     }
 
+    pub fn parser_metadata(mut self, parser_metadata: ParserMetadata) -> RequestBuilder {
+        self.parser_metadata = parser_metadata;
+        self
+    }
+
     pub fn build(self) -> Request {
         let mut request = Request::new(
             self.url.clone(),
@@ -323,6 +338,7 @@ impl RequestBuilder {
         request.redirect_count = url_list.len() as u32 - 1;
         request.url_list = url_list;
         request.integrity_metadata = self.integrity_metadata;
+        request.parser_metadata = self.parser_metadata;
         request
     }
 }
@@ -388,6 +404,8 @@ pub struct Request {
     pub redirect_count: u32,
     /// <https://fetch.spec.whatwg.org/#concept-request-response-tainting>
     pub response_tainting: ResponseTainting,
+    /// <https://fetch.spec.whatwg.org/#concept-request-parser-metadata>
+    pub parser_metadata: ParserMetadata,
 }
 
 impl Request {
@@ -417,6 +435,7 @@ impl Request {
             redirect_mode: RedirectMode::Follow,
             integrity_metadata: String::new(),
             url_list: vec![url],
+            parser_metadata: ParserMetadata::Default,
             redirect_count: 0,
             response_tainting: ResponseTainting::Basic,
         }

components/script/dom/dedicatedworkerglobalscope.rs

@@ -37,7 +37,8 @@ use js::jsapi::{JSAutoCompartment, JSContext};
 use js::jsval::UndefinedValue;
 use js::rust::HandleValue;
 use msg::constellation_msg::{PipelineId, TopLevelBrowsingContextId};
-use net_traits::request::{CredentialsMode, Destination, Referrer, RequestBuilder, RequestMode};
+use net_traits::request::{CredentialsMode, Destination, ParserMetadata};
+use net_traits::request::{Referrer, RequestBuilder, RequestMode};
 use net_traits::IpcSend;
 use script_traits::{TimerEvent, TimerSource, WorkerGlobalScopeInit, WorkerScriptLoadOrigin};
 use servo_rand::random;
@@ -312,6 +313,7 @@ impl DedicatedWorkerGlobalScope {
                     .destination(Destination::Worker)
                     .mode(RequestMode::SameOrigin)
                     .credentials_mode(CredentialsMode::CredentialsSameOrigin)
+                    .parser_metadata(ParserMetadata::NotParserInserted)
                     .use_url_credentials(true)
                     .pipeline_id(pipeline_id)
                     .referrer(referrer)

components/script/dom/serviceworkerglobalscope.rs

@@ -31,7 +31,7 @@ use ipc_channel::router::ROUTER;
 use js::jsapi::{JSAutoCompartment, JSContext, JS_AddInterruptCallback};
 use js::jsval::UndefinedValue;
 use msg::constellation_msg::PipelineId;
-use net_traits::request::{CredentialsMode, Destination, Referrer, RequestBuilder};
+use net_traits::request::{CredentialsMode, Destination, ParserMetadata, Referrer, RequestBuilder};
 use net_traits::{CustomResponseMediator, IpcSend};
 use script_traits::{
     ScopeThings, ServiceWorkerMsg, TimerEvent, WorkerGlobalScopeInit, WorkerScriptLoadOrigin,
@@ -287,6 +287,7 @@ impl ServiceWorkerGlobalScope {
                 let request = RequestBuilder::new(script_url.clone())
                     .destination(Destination::ServiceWorker)
                     .credentials_mode(CredentialsMode::Include)
+                    .parser_metadata(ParserMetadata::NotParserInserted)
                     .use_url_credentials(true)
                     .pipeline_id(pipeline_id)
                     .referrer(referrer)

components/script/dom/workerglobalscope.rs

@@ -42,7 +42,9 @@ use js::jsval::UndefinedValue;
 use js::panic::maybe_resume_unwind;
 use js::rust::{HandleValue, ParentRuntime};
 use msg::constellation_msg::PipelineId;
-use net_traits::request::{CredentialsMode, Destination, RequestBuilder as NetRequestInit};
+use net_traits::request::{
+    CredentialsMode, Destination, ParserMetadata, RequestBuilder as NetRequestInit,
+};
 use net_traits::IpcSend;
 use script_traits::WorkerGlobalScopeInit;
 use script_traits::{TimerEvent, TimerEventId};
@@ -216,6 +218,7 @@ impl WorkerGlobalScopeMethods for WorkerGlobalScope {
             let request = NetRequestInit::new(url.clone())
                 .destination(Destination::Script)
                 .credentials_mode(CredentialsMode::Include)
+                .parser_metadata(ParserMetadata::NotParserInserted)
                 .use_url_credentials(true)
                 .origin(global_scope.origin().immutable().clone())
                 .pipeline_id(Some(self.upcast::<GlobalScope>().pipeline_id()))

components/script/fetch.rs

@@ -124,6 +124,7 @@ fn request_init_from_request(request: NetTraitsRequest) -> RequestBuilder {
         redirect_mode: request.redirect_mode,
         integrity_metadata: "".to_owned(),
         url_list: vec![],
+        parser_metadata: request.parser_metadata,
     }
 }