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checkpoint - dynamic load inside of a module and classic script works.
This commit is contained in:
Josh Matthews
CYBAI
parent
0c7f08f743
commit
1aef31bb2f
6 changed files with 525 additions and 114 deletions
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@ -28,7 +28,7 @@ use crate::dom::virtualmethods::VirtualMethods;
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use crate::fetch::create_a_potential_cors_request;
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use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
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use crate::script_module::fetch_inline_module_script;
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use crate::script_module::{fetch_external_module_script, ModuleOwner};
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use crate::script_module::{fetch_external_module_script, ModuleOwner, ScriptFetchOptions};
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use content_security_policy as csp;
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use dom_struct::dom_struct;
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use encoding_rs::Encoding;
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@ -37,8 +37,9 @@ use ipc_channel::ipc;
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use ipc_channel::router::ROUTER;
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use js::jsval::UndefinedValue;
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use msg::constellation_msg::PipelineId;
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use net_traits::request::{CorsSettings, CredentialsMode, Destination, Referrer, RequestBuilder};
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use net_traits::ReferrerPolicy;
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use net_traits::request::{
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CorsSettings, CredentialsMode, Destination, ParserMetadata, RequestBuilder,
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};
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use net_traits::{FetchMetadata, FetchResponseListener, Metadata, NetworkError};
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use net_traits::{ResourceFetchTiming, ResourceTimingType};
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use servo_atoms::Atom;
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@ -322,15 +323,22 @@ pub(crate) fn script_fetch_request(
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cors_setting: Option<CorsSettings>,
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origin: ImmutableOrigin,
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pipeline_id: PipelineId,
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referrer: Referrer,
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referrer_policy: Option<ReferrerPolicy>,
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integrity_metadata: String,
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options: ScriptFetchOptions,
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) -> RequestBuilder {
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create_a_potential_cors_request(url, Destination::Script, cors_setting, None, referrer)
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.origin(origin)
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.pipeline_id(Some(pipeline_id))
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.referrer_policy(referrer_policy)
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.integrity_metadata(integrity_metadata)
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// We intentionally ignore options' credentials_mode member for classic scripts.
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// The mode is initialized by create_a_potential_cors_request.
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create_a_potential_cors_request(
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url,
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Destination::Script,
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cors_setting,
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None,
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options.referrer,
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)
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.origin(origin)
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.pipeline_id(Some(pipeline_id))
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.parser_metadata(options.parser_metadata)
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.integrity_metadata(options.integrity_metadata.clone())
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.referrer_policy(options.referrer_policy)
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}
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/// <https://html.spec.whatwg.org/multipage/#fetch-a-classic-script>
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@ -339,7 +347,7 @@ fn fetch_a_classic_script(
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kind: ExternalScriptKind,
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url: ServoUrl,
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cors_setting: Option<CorsSettings>,
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integrity_metadata: String,
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options: ScriptFetchOptions,
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character_encoding: &'static Encoding,
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) {
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let doc = document_from_node(script);
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@ -350,9 +358,7 @@ fn fetch_a_classic_script(
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cors_setting,
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doc.origin().immutable().clone(),
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script.global().pipeline_id(),
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script.global().get_referrer(),
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doc.get_referrer_policy(),
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integrity_metadata,
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options,
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);
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// TODO: Step 3, Add custom steps to perform fetch
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@ -400,7 +406,7 @@ impl HTMLScriptElement {
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let was_parser_inserted = self.parser_inserted.get();
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self.parser_inserted.set(false);
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// Step 3.
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// Step 4.
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let element = self.upcast::<Element>();
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let r#async = element.has_attribute(&local_name!("async"));
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// Note: confusingly, this is done if the element does *not* have an "async" attribute.
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@ -408,13 +414,13 @@ impl HTMLScriptElement {
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self.non_blocking.set(true);
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}
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// Step 4-5.
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// Step 5-6.
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let text = self.Text();
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if text.is_empty() && !element.has_attribute(&local_name!("src")) {
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return;
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}
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// Step 6.
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// Step 7.
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if !self.upcast::<Node>().is_connected() {
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return;
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}
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@ -432,26 +438,26 @@ impl HTMLScriptElement {
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self.non_blocking.set(false);
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}
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// Step 9.
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// Step 10.
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self.already_started.set(true);
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// Step 10.
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// Step 12.
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let doc = document_from_node(self);
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if self.parser_inserted.get() && &*self.parser_document != &*doc {
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return;
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}
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// Step 11.
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// Step 13.
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if !doc.is_scripting_enabled() {
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return;
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}
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// Step 12
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// Step 14
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if element.has_attribute(&local_name!("nomodule")) && script_type == ScriptType::Classic {
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return;
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}
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// Step 13.
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// Step 15.
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if !element.has_attribute(&local_name!("src")) &&
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doc.should_elements_inline_type_behavior_be_blocked(
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&element,
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@ -463,7 +469,7 @@ impl HTMLScriptElement {
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return;
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}
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// Step 14.
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// Step 16.
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if script_type == ScriptType::Classic {
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let for_attribute = element.get_attribute(&ns!(), &local_name!("for"));
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let event_attribute = element.get_attribute(&ns!(), &local_name!("event"));
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@ -485,31 +491,31 @@ impl HTMLScriptElement {
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}
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}
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// Step 15.
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// Step 17.
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let encoding = element
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.get_attribute(&ns!(), &local_name!("charset"))
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.and_then(|charset| Encoding::for_label(charset.value().as_bytes()))
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.unwrap_or_else(|| doc.encoding());
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// Step 16.
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// Step 18.
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let cors_setting = cors_setting_for_element(element);
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// Step 17.
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let credentials_mode = match script_type {
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ScriptType::Classic => None,
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ScriptType::Module => Some(reflect_cross_origin_attribute(element).map_or(
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// Step 19.
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let module_credentials_mode = match script_type {
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ScriptType::Classic => CredentialsMode::CredentialsSameOrigin,
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ScriptType::Module => reflect_cross_origin_attribute(element).map_or(
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CredentialsMode::CredentialsSameOrigin,
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|attr| match &*attr {
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"use-credentials" => CredentialsMode::Include,
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"anonymous" => CredentialsMode::CredentialsSameOrigin,
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_ => CredentialsMode::CredentialsSameOrigin,
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},
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)),
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),
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};
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// TODO: Step 18: Nonce.
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// TODO: Step 20: Nonce.
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// Step 19: Integrity metadata.
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// Step 21: Integrity metadata.
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let im_attribute = element.get_attribute(&ns!(), &local_name!("integrity"));
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let integrity_val = im_attribute.as_ref().map(|a| a.value());
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let integrity_metadata = match integrity_val {
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@ -517,30 +523,43 @@ impl HTMLScriptElement {
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None => "",
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};
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// TODO: Step 20: referrer policy
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// TODO: Step 22: referrer policy
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// TODO: Step 21: parser state.
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// Step 23
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let parser_metadata = if self.parser_inserted.get() {
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ParserMetadata::ParserInserted
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} else {
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ParserMetadata::NotParserInserted
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};
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// TODO: Step 22: Fetch options
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// Step 24.
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let options = ScriptFetchOptions {
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cryptographic_nonce: "".into(),
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integrity_metadata: integrity_metadata.to_owned(),
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parser_metadata,
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referrer: self.global().get_referrer(),
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referrer_policy: doc.get_referrer_policy(),
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credentials_mode: module_credentials_mode,
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};
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// TODO: Step 23: environment settings object.
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let base_url = doc.base_url();
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if let Some(src) = element.get_attribute(&ns!(), &local_name!("src")) {
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// Step 24.
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// Step 26.
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// Step 24.1.
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// Step 26.1.
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let src = src.value();
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// Step 24.2.
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// Step 26.2.
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if src.is_empty() {
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self.queue_error_event();
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return;
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}
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// Step 24.3: The "from an external file"" flag is stored in ScriptOrigin.
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// Step 26.3: The "from an external file"" flag is stored in ScriptOrigin.
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// Step 24.4-24.5.
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// Step 26.4-26.5.
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let url = match base_url.join(&src) {
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Ok(url) => url,
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Err(_) => {
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@ -550,7 +569,7 @@ impl HTMLScriptElement {
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},
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};
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// Step 24.6.
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// Step 26.6.
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match script_type {
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ScriptType::Classic => {
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// Preparation for step 26.
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@ -572,14 +591,7 @@ impl HTMLScriptElement {
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};
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// Step 24.6.
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fetch_a_classic_script(
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self,
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kind,
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url,
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cors_setting,
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integrity_metadata.to_owned(),
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encoding,
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);
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fetch_a_classic_script(self, kind, url, cors_setting, options, encoding);
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// Step 23.
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match kind {
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@ -596,8 +608,7 @@ impl HTMLScriptElement {
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ModuleOwner::Window(Trusted::new(self)),
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url.clone(),
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Destination::Script,
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integrity_metadata.to_owned(),
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credentials_mode.unwrap(),
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options,
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);
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if !r#async && was_parser_inserted {
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@ -610,19 +621,19 @@ impl HTMLScriptElement {
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},
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}
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} else {
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// Step 25.
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// Step 27.
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assert!(!text.is_empty());
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let text_rc = Rc::new(text);
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// Step 25-1. & 25-2.
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// Step 27-1. & 27-2.
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let result = Ok(ScriptOrigin::internal(
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Rc::clone(&text_rc),
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base_url.clone(),
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script_type.clone(),
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));
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// Step 25-2.
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// Step 27-2.
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match script_type {
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ScriptType::Classic => {
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if was_parser_inserted &&
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@ -630,10 +641,10 @@ impl HTMLScriptElement {
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.map_or(false, |parser| parser.script_nesting_level() <= 1) &&
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doc.get_script_blocking_stylesheets_count() > 0
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{
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// Step 26.h: classic, has no src, was parser-inserted, is blocked on stylesheet.
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// Step 27.h: classic, has no src, was parser-inserted, is blocked on stylesheet.
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doc.set_pending_parsing_blocking_script(self, Some(result));
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} else {
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// Step 26.i: otherwise.
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// Step 27.i: otherwise.
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self.execute(result);
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}
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},
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@ -654,7 +665,7 @@ impl HTMLScriptElement {
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text_rc,
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base_url.clone(),
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self.id.clone(),
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credentials_mode.unwrap(),
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options,
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);
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},
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}
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