"Utilize Angular's $http options for requesting instead of using

When I attempt to send a $http POST request to a server API, the request method unexpectedly changes to OPTIONS. Strangely, this issue only occurs when working with localhost. To troubleshoot, I tried making the same request using Postman and it worked flawlessly.

Service:

function httpReg(userData) {
            console.log(userData)
            return $http({
                method: 'POST',
                url: CONFIG.APIHost + '/auth/signup',
                data: {
                    "username": userData.username,
                    "email":userData.email,
                    "password": userData.password
                },
                headers: {
                    'Content-Type': 'application/json; charset=utf-8'
                }
            });
        }

Screenshot: https://i.sstatic.net/Zx6ze.png
(source: joxi.net)

javascriptangularjsapihttppost

Answer №1

It seems that the preflight request has been rejected by your browser.

When the browser is unsure about the data source being accessed, it will first send a preflight request to the server. If this returns a status code of 200OK, then the original request will be sent by the browser.

This behavior is specific to browsers only, as other tools like Postman do not initiate preflight requests. Therefore, your code may work fine with them.

Here's how you can fix the issue:

  • Include headers for acceptable options such as GET, POST, OPTIONS, PUT in the requested resource.

Answer №2

It seems like there is a CORS issue at hand.

To resolve this, consider the following solutions:

  1. Attempt to set the referrer in your header

  2. You can try the following code snippet:

    app.config(['$httpProvider', function ($httpProvider) {
   //Reset headers to avoid OPTIONS request (aka preflight)
  $httpProvider.defaults.headers.common = {};
  $httpProvider.defaults.headers.post = {};
  $httpProvider.defaults.headers.put = {};
  $httpProvider.defaults.headers.patch = {};
}]);

  3. Delete the x-auth* settings from the _app.js file within your yeoman/gulp settings.

For more information, please visit: AngularJS performs an OPTIONS HTTP request for a cross-origin resource

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