![]() The portal application has multiple views. The front end of the Captive Portal was developed using the AngularJS framework. I would appreciate any comments or suggestions. But, I believe this issue should be resolved within the IAP. It may be possible to work around the error returned by the browser. The sofware version of my IAP is 8.5.0.5. I used both the Chrome browser (Version 79) and the Firefox browser (Version 72) to perform integration testing and they both returned similar error messages. Strict-Transport-Security: max-age=604800 ![]() The following is the HTTP response returned by the IAP: But, the client script receives an error indication. The header might look something like the following:Īccess-Control-Allow-Origin: “” (in my case)īut, the response that is returned by the IAP does not include this header and the browser returns an error to the Captive Portal client script (Javascript), as follows:Īccess to XMLHttpRequest at ' ' from origin ' ' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.īy the way, the IAP returns a 200 OK response to the authentication request and the guest user is granted internet access. This header indicates the second origin, the IAP, accepts the HTTP POST request from the first origin or from any origin. The browser expects an Access-Control-Allow-Origin header in the authentication response from the IAP. It includes an ORIGIN header in this request as follows: A certificate for the domain is deployed on the IAP and it is associated with the Captive Portal.īecause the URL for the Captive Portal application and the URL for Authentication have two different domains and origins, the browser initiates the Cross-Origin Request Sharing (CORS) protocol on the HTTP POST request for authentication. Guest Users interact with the Captive Portal application and then, if they qualify for Wi-fi access, the Captive Portal client sends an HTTP Post request to /cgi-bin/login. The corresponding External Captive Portal entity defined on the IAP is configured to use Radius Authentication. It is deployed on an external server hosted by Heroku. ![]() The Captive Portal is a Java Servlet web application. This same thing happens in production with backend hosted on Heroku and frontend hosted on Netlify.I’ve encountered a problem while integration testing my Captive Portal application with an IAP303HR Access Point. My backend is running on localhost:3001 and my frontend is running on localhost:3000. Which App Type (OAuth / Chatbot / JWT / Webhook)? If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled. I have read a bunch of posts that say this is expected if you try from the front-end but I’m doing it from the backend so I am stumped.Īccess to fetch at '' (redirected from ' from origin ' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. My API ( /integrations/zoom/auth) is triggered by a “Connect Zoom” button on the frontend. ![]() I am calling the oauth attempt from my NestJS (express-based) API backend. I am getting a CORS error when trying to use a Passport Zoom Strategy vendor lib. ![]()
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