HTTP Ajax Request via HTTPS Page

Question

I am having a site with some pages on HTTPS connection. From these HTTPS pages, I have to use a HTTP Ajax request for some errors retrieval like blank fields. But this error messages are not coming. Is there any solution to it or I have to make that AJAX request to file on HTTPS connection?

Answer 1

This is not possible due to the Same Origin Policy.

You will need to switch the Ajax requests to https, too.

Answer 2

Without any server side solution, Theres is only one way in which a secure page can get something from a insecure page/request and that's thought postMessage and a popup

I said popup cuz the site isn't allowed to mix content. But a popup isn't really mixing. It has it's own window but are still able to communicate with the opener with postMessage.

So you can open a new http-page with window.open(...) and have that making the request for you

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XDomain came to mind when i wrote this but here is a modern approach using the new fetch api, the advantage is the streaming of large files, the downside is that it won't work in all browser

You put this proxy script on any http page

onmessage = evt => {   const port = evt.ports[0]    fetch(...evt.data).then(res => {     // the response is not clonable     // so we make a new plain object     const obj = {       bodyUsed: false,       headers: [...res.headers],       ok: res.ok,       redirected: res.redurected,       status: res.status,       statusText: res.statusText,       type: res.type,       url: res.url     }      port.postMessage(obj)      // Pipe the request to the port (MessageChannel)     const reader = res.body.getReader()     const pump = () => reader.read()     .then(({value, done}) => done        ? port.postMessage(done)       : (port.postMessage(value), pump())     )      // start the pipe     pump()   }) } 

Then you open a popup window in your https page (note that you can only do this on a user interaction event or else it will be blocked)

window.popup = window.open(http://.../proxy.html) 

create your utility function

function xfetch(...args) {   // tell the proxy to make the request   const ms = new MessageChannel   popup.postMessage(args, '*', [ms.port1])    // Resolves when the headers comes   return new Promise((rs, rj) => {      // First message will resolve the Response Object     ms.port2.onmessage = ({data}) => {       const stream = new ReadableStream({         start(controller) {            // Change the onmessage to pipe the remaning request           ms.port2.onmessage = evt => {             if (evt.data === true) // Done?               controller.close()             else // enqueue the buffer to the stream               controller.enqueue(evt.data)           }         }       })        // Construct a new response with the        // response headers and a stream       rs(new Response(stream, data))     }   }) } 

And make the request like you normally do with the fetch api

xfetch('http://httpbin.org/get')   .then(res => res.text())   .then(console.log)