tsndr/cloudflare-worker-router
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fix cors always on issue

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This commit is contained in:
Toby
2022-09-29 18:48:23 +02:00
parent b16a56bbca
commit e94e84a742
1 changed files with 21 additions and 26 deletions
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47
src/index.ts
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@@ -118,11 +118,11 @@ export interface RouterHandler {
* @property {number} [optionsSuccessStatus=204] Return status code for OPTIONS request (default: `204`)
*/
export interface RouterCorsConfig {
allowOrigin: string
allowMethods: string
allowHeaders: string
maxAge: number
optionsSuccessStatus: number
allowOrigin?: string
allowMethods?: string
allowHeaders?: string
maxAge?: number
optionsSuccessStatus?: number
}
/**
@@ -163,13 +163,7 @@ export default class Router {
* @protected
* @type {RouterCorsConfig}
*/
protected corsConfig: RouterCorsConfig = {
allowOrigin: '*',
allowMethods: '*',
allowHeaders: '*',
maxAge: 86400,
optionsSuccessStatus: 204
}
protected corsConfig: RouterCorsConfig = {}
/**
* Register global handlers
@@ -391,14 +385,21 @@ export default class Router {
query: {},
body: ''
}
if (req.method === 'OPTIONS' && Object.keys(this.corsConfig).length) {
const headers = new Headers()
if (this.corsConfig.allowOrigin)
headers.set('Access-Control-Allow-Origin', this.corsConfig.allowOrigin)
if (this.corsConfig.allowMethods)
headers.set('Access-Control-Allow-Methods', this.corsConfig.allowMethods)
if (this.corsConfig.allowHeaders)
headers.set('Access-Control-Allow-Headers', this.corsConfig.allowHeaders)
if (this.corsConfig.maxAge)
headers.set('Access-Control-Max-Age', this.corsConfig.maxAge.toString())
if (req.method === 'OPTIONS') {
return new Response(null, {
headers: {
'Access-Control-Allow-Origin': this.corsConfig.allowOrigin,
'Access-Control-Allow-Methods': this.corsConfig.allowMethods,
'Access-Control-Allow-Headers': this.corsConfig.allowHeaders,
'Access-Control-Max-Age': this.corsConfig.maxAge!.toString()
},
headers,
status: this.corsConfig.optionsSuccessStatus
})
}
@@ -420,13 +421,7 @@ export default class Router {
const route = this.getRoute(req)
if (!route)
return new Response(this.debugMode ? 'Route not found!' : null, { status: 404 })
const res: RouterResponse = { headers: new Headers() }
if (Object.keys(this.corsConfig).length) {
res.headers.set('Access-Control-Allow-Origin', this.corsConfig.allowOrigin)
res.headers.set('Access-Control-Allow-Methods', this.corsConfig.allowMethods)
res.headers.set('Access-Control-Allow-Headers', this.corsConfig.allowHeaders)
res.headers.set('Access-Control-Max-Age', this.corsConfig.maxAge.toString())
}
const res: RouterResponse = { headers }
const handlers = [...this.globalHandlers, ...route.handlers]
let prevIndex = -1
const runner = async (index: number) => {