68 lines
2.0 KiB
TypeScript
68 lines
2.0 KiB
TypeScript
import * as interfaces from './interfaces/index.js';
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import * as plugins from './plugins.js';
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import { WorkerEvent } from './classes.workerevent.js';
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import * as domainInstructions from './domaininstructions/index.js';
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export class DomainRouter {
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private smartmatches: plugins.smartmatch.SmartMatch[] = [];
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constructor() {
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for (const key of Object.keys(domainInstructions.instructionObject)) {
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this.smartmatches.push(new plugins.smartmatch.SmartMatch(key));
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}
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}
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/**
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*
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* @param cworkerevent
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*/
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public routeToResponder(cworkerevent: WorkerEvent) {
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const match = this.smartmatches.find(smartmatchArg => {
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return smartmatchArg.match(cworkerevent.request.url);
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});
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cworkerevent.responderInstruction = match
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? domainInstructions.instructionObject[match.wildcard]
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: {
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type: 'cache'
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};
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}
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/**
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* rendertronRouter
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*/
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public checkWetherReRouteToRendertron(cworkerevent: WorkerEvent) {
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let needsRendertron = false;
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for (const botAgentIdentifier of domainInstructions.botUserAgents) {
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if (needsRendertron) {
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continue;
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}
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if (
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cworkerevent.request.headers.get('user-agent') &&
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cworkerevent.request.headers.get('user-agent').toLowerCase().includes(botAgentIdentifier.toLowerCase()) &&
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!cworkerevent.request.url.includes('lossless.one')
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) {
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needsRendertron = true;
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}
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}
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if (needsRendertron) {
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cworkerevent.routedThroughRendertron = true;
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}
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}
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/**
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* check wether this is a preflight request that should be handled
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*/
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public checkWetherIsPreflight (cworkerevent: WorkerEvent) {
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if (
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cworkerevent.request.method === 'OPTIONS' &&
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cworkerevent.request.headers.get('Origin') !== null &&
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cworkerevent.request.headers.get('Access-Control-Request-Method') !== null &&
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cworkerevent.request.headers.get('Access-Control-Request-Headers') !== null
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) {
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cworkerevent.isPreflight = true;
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}
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}
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}
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