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clean up worker code

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Percs 2024-05-07 19:26:45 -05:00
parent 8c58108727
commit c189e54509
3 changed files with 1550 additions and 1212 deletions
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95
src/worker/index.ts
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@ -17,50 +17,65 @@ self.ScramjetServiceWorker = class ScramjetServiceWorker {
this.client = new BareClient();
}
route(event: Event | any) {
const { request } = event;
if (request.url.startsWith(location.origin + self.__scramjet$config.prefix)) return true;
else return false;
}
async fetch(event: FetchEvent) {
const url = new URL(self.__scramjet$bundle.rewriters.url.decodeUrl(event.request.url));
try {
const url = new URL(self.__scramjet$bundle.rewriters.url.decodeUrl(event.request.url));
// implement header rewriting later
const response: BareResponseFetch = await this.client.fetch(url, {
method: event.request.method,
body: event.request.body,
headers: event.request.headers
});
// implement header rewriting later
const response: BareResponseFetch = await this.client.fetch(url, {
method: event.request.method,
body: event.request.body,
headers: event.request.headers
});
let responseBody;
const responseHeaders = self.__scramjet$bundle.rewriters.rewriteHeaders(response.rawHeaders, origin);
let responseBody;
const responseHeaders = self.__scramjet$bundle.rewriters.rewriteHeaders(response.rawHeaders, origin);
if (response.body) {
switch (event.request.destination) {
case "iframe":
case "document":
responseBody = self.__scramjet$bundle.rewriters.rewriteHtml(await response.text(), url.origin);
break;
case "script":
responseBody = self.__scramjet$bundle.rewriters.rewriteJs(await response.text(), url.origin);
break;
case "style":
responseBody = self.__scramjet$bundle.rewriters.rewriteCss(await response.text(), url.origin);
break;
case "sharedworker":
break;
case "worker":
break;
default:
responseBody = response.body;
break;
}
}
if (responseHeaders.accept === 'text/event-stream') {
responseHeaders.headers['content-type'] = 'text/event-stream';
}
if (crossOriginIsolated) {
responseHeaders["Cross-Origin-Embedder-Policy"] = "require-corp";
}
switch (event.request.destination) {
case "document":
responseBody = self.__scramjet$bundle.rewriters.rewriteHtml(await response.text(), url.origin);
break;
case "iframe":
responseBody = self.__scramjet$bundle.rewriters.rewriteHtml(await response.text(), url.origin);
break;
case "script":
responseBody = self.__scramjet$bundle.rewriters.rewriteJs(await response.text(), url.origin);
break;
case "style":
responseBody = self.__scramjet$bundle.rewriters.rewriteCss(await response.text(), url.origin);
break;
case "sharedworker":
break;
case "worker":
break;
default:
responseBody = response.body;
break;
return new Response(responseBody, {
headers: responseHeaders as HeadersInit,
status: response.status,
statusText: response.statusText
})
} catch (err) {
if (!['document', 'iframe'].includes(event.request.destination))
return new Response(undefined, { status: 500 });
console.error(err);
}
if (crossOriginIsolated) {
responseHeaders["Cross-Origin-Embedder-Policy"] = "require-corp";
}
return new Response(responseBody, {
headers: responseHeaders as HeadersInit,
status: response.status,
statusText: response.statusText
})
}
}