Sending credentials with cross-domain posts?

Question

According to Requests with credentials, Firefox will only send credentials along with cross-domain posts if

invocation.withCredentials = "true";

is set… But it doesn't seem like jQuery's Ajax API provides any mechanism for this.

Is there something I've missed? Is there some other way I can do it?

Krzysztof Madejski · Accepted Answer · 2011-08-25 12:38:24Z

183

Functionality is supposed to be broken in jQuery 1.5.

Since jQuery 1.5.1 you should use xhrFields param.

$.ajaxSetup({ type: "POST", data: {}, dataType: 'json', xhrFields: { withCredentials: true }, crossDomain: true });

Docs: http://api.jquery.com/jQuery.ajax/

Reported bug: http://bugs.jquery.com/ticket/8146

answered Aug 25, 2011 at 12:38

Krzysztof Madejski

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5 Comments

streetlight Over a year ago

Is this supposed to work for cross (non-subdomain) ajax requests as well?

John Grabanski Over a year ago

I'm still getting prompted for credentials

Selman Over a year ago

@JohnGrabanski Did you fix your issue?

Stan Alachniewicz Over a year ago

I'm confused, where do you add the actual credentials?

Krzysztof Madejski Over a year ago

@garek007 they come in cookies, auth headers, or via other means.

Kerem Baydoğan · Accepted Answer · 2017-03-14 13:22:45Z

You can use the beforeSend callback to set additional parameters (The XMLHTTPRequest object is passed to it as its only parameter).

Just so you know, this type of cross-domain request will not work in a normal site scenario and not with any other browser. I don't even know what security limitations FF 3.5 imposes as well, just so you don't beat your head against the wall for nothing:

$.ajax({ url: 'http://bar.other', data: { whatever:'cool' }, type: 'GET', beforeSend: function(xhr){ xhr.withCredentials = true; } });

One more thing to beware of, is that jQuery is setup to normalize browser differences. You may find that further limitations are imposed by the jQuery library that prohibit this type of functionality.

According to api.jquery.com/jQuery.post it should be type: "GET" and not method: 'GET' I tripped over it when using your example
@Xosofox I know this is an old comment, but as of jQuery 1.9, method: 'GET' is supported. api.jquery.com/jquery.ajax
Note that this no longer works in jQuery 3+, because (a) the api to this function has changed, and (b) it no longer has access to the XHR object, which is created after this function runs. Instead, you should use xhrFields.

chim · Accepted Answer · 2017-11-17 10:15:04Z

In jQuery 3 and perhaps earlier versions, the following simpler config also works for individual requests:

$.ajax( 'https://foo.bar.com, { dataType: 'json', xhrFields: { withCredentials: true }, success: successFunc } );

The full error I was getting in Firefox Dev Tools -> Network tab (in the Security tab for an individual request) was:

An error occurred during a connection to foo.bar.com.SSL peer was unable to negotiate an acceptable set of security parameters.Error code: SSL_ERROR_HANDSHAKE_FAILURE_ALERT

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