新增 OPTIONS 请求拦截器。

pull/280/head
王良 2024-03-26 14:14:03 +08:00
parent 51961adc96
commit c3ee313f58
5 changed files with 61 additions and 11 deletions

View File

@ -50,6 +50,11 @@ module.exports = {
enabled: true
},
intercepts: {
'www.nbgzjk.cn': {
'/.*': {
options: true
}
},
'github.com': {
'/.*/.*/releases/download/': {
redirect: 'gh.api.99988866.xyz/https://github.com',
@ -226,9 +231,6 @@ module.exports = {
}
},
whiteList: {
'*.cn': true,
'cn.*': true,
'*china*': true,
'*.dingtalk.com': true,
'*.apple.com': true,
'*.microsoft.com': true,
@ -263,8 +265,7 @@ module.exports = {
}
},
mapping: {
'*.github.com': 'quad9',
'*.*github*.com': 'quad9',
'*github*.com': 'quad9',
'*.github.io': 'quad9',
'*.docker.com': 'quad9',
'*.docker*.com': 'quad9',

View File

@ -10,7 +10,6 @@ module.exports = {
}
},
targets: {
'*.github.com': true,
'*github*.com': true,
'*.wikimedia.org': true,
'*.v2ex.com': true,

View File

@ -58,11 +58,6 @@ module.exports = {
excludeIpList: {
// region 常用国内可访问域名
// 中国大陆
'*.cn': true,
'cn.*': true,
'*china*': true,
// 系统之家
'*.xitongzhijia.net': true,

View File

@ -0,0 +1,52 @@
const defaultAllowHeaders = '*'
const defaultAllowMethods = 'GET,POST,PUT,DELETE,HEAD,OPTIONS,PATCH' // CONNECT、TRACE被认为是不安全的请求通常不建议允许跨域
function readConfig (config, defaultConfig) {
if (config) {
if (Object.isArray(config)) {
config = config.join(',')
}
} else {
config = defaultConfig
}
return config
}
module.exports = {
requestIntercept (context, interceptOpt, req, res, ssl, next) {
const { rOptions, log } = context
// 不是 OPTIONS 请求,或请求头中不含 origin 时,跳过当前拦截器
if (rOptions.method !== 'OPTIONS' || rOptions.headers.origin == null) {
return
}
// 从请求头中获取跨域相关信息;如果不存在,则从配置中获取的值;如果还不存在,则使用默认值
const allowHeaders = rOptions.headers['access-control-request-headers'] || readConfig(interceptOpt.optionsAllowHeaders, defaultAllowHeaders)
const allowMethods = rOptions.headers['access-control-request-method'] || readConfig(interceptOpt.optionsAllowMethods, defaultAllowMethods)
const headers = {
// 允许跨域
'Dev-Sidecar-Interceptor': 'options',
'Access-Control-Allow-Origin': rOptions.headers.origin,
'Access-Control-Allow-Headers': allowHeaders,
'Access-Control-Allow-Methods': allowMethods,
'Access-Control-Max-Age': interceptOpt.optionsMaxAge > 0 ? interceptOpt.optionsMaxAge : 2592000, // 默认有效一个月
Date: new Date().toUTCString()
}
// 判断是否允许
if (interceptOpt.optionsCredentials !== false && interceptOpt.optionsCredentials !== 'false') {
headers['Access-Control-Allow-Credentials'] = 'true'
}
res.writeHead(200, headers)
res.end()
log.info('options intercept:', (rOptions.original || rOptions).url)
return true // true代表请求结束
},
is (interceptOpt) {
return !!interceptOpt.options
}
}

View File

@ -1,4 +1,6 @@
// request interceptor impls
const OPTIONS = require('./impl/req/OPTIONS.js')
const success = require('./impl/req/success')
const redirect = require('./impl/req/redirect')
const abort = require('./impl/req/abort')
@ -14,6 +16,7 @@ const script = require('./impl/res/script')
module.exports = [
// request interceptor impls
OPTIONS,
success, redirect, abort,
cacheReq,
proxy, sni,