如何拦截并重定向请求?

跨境干货5个月前发布 admin
25 0 0

作者:Ran

2020-10-15 Ran

以WhatsApp网页版为例,通过拦截并重定向请求可以注入自定义逻辑。

/**

* 请求重定向

*/

chrome.webRequest.onBeforeRequest.addListener(

function (details) {

const matchURL = details.url

const replaceBaseURL = \'http://localhost:3001\'

const scriptReg = /https:\\/\\/web\\.whatsapp\\.com\\/([^.]+)\\.?([^.]*)\\.js/

const fileName = scriptReg.exec(matchURL)[1]

const fileHash = scriptReg.exec(matchURL)[2]

const replaceURL = `${replaceBaseURL}/whatsapp/override/${fileName}${fileHash ? \'.\' + fileHash : \'\'}.js`

console.log(`onBeforeRequest: ${matchURL} → ${replaceURL}`, new Date())

return {

redirectUrl: replaceURL

}

},

{

urls: [

\'https://web.whatsapp.com/app.*.js\',

\'https://web.whatsapp.com/app2.*.js\',

],

types: [\'script\']

},

[\'blocking\']

)

 

 

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