Performing an HTTPS Ajax GET call

Is there a method to send an ajax GET request using HTTPS?

$.get is causing this error:

XMLHttpRequest cannot load https://********. Origin null is not allowed by Access-Control-Allow-Origin. 

Are there any alternative solutions or workarounds to achieve this functionality?

When accessing the URL with Chrome, I am able to retrieve the response. It seems like it should work over an ajax request as well.

Answer №1

If you are currently on an http page, attempting to make an AJAX request to an https page will be blocked due to the Same Origin Policy.

To allow the AJAX request to go through, the host, port, and scheme must all match.

To solve this issue, ensure that both pages are on the same host and scheme or enable CORS (cross-origin resource sharing) on the target domain to authorize the specific request.

Answer №2

[Latest version of JavaScript Library]

In my web application, all resources and traffic exclusively use HTTPS protocol.

However, I encountered an issue where I am unable to send requests using $.ajax() or other related methods like $.get, $.post, etc. This problem was flagged by Chrome with the following error message:

Refused to connect to '' due to a Content Security Policy directive violation: "connect-src 'self'".

The root cause was that the AJAX requests were being made over HTTP from an HTTPS page, with no apparent way to enforce HTTPS.

To my surprise, the issue was resolved in an unexpected manner. Attempting to execute $.get('/api/mycall/') resulted in an error stating "Refused to connect to ''", without showing the ending forward slash as part of the actual code call. It seemed like the error was caused by the absence of the forward slash.

I conducted numerous tests, each confirming that requests fail when there is a trailing slash in the URL being accessed, while they succeed without it.

Interestingly, calling $.ajax({ url: '/api/mycall'}) functions correctly, whereas $.ajax({ url: '/api/mycall/'}) does not.

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