Authentication Request to Spotify Web API Rejected

Question

I am trying to send an authentication request to Login to Spotify.

This is run through local host by a javascript XMLHttpRequest. However all I ever receive is an error message stating:

XMLHttpRequest cannot load https://accounts.spotify.com/authorize/?q=undefined&type=code&client_id=9f5…ope=user-read-private%20user-read-email%20streaming&state=iKX8sdHHEML6BxRy.

No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin "localhost" is therefore not allowed access."

I tried setting the header doing xmlrequest.setRequestHeader("Access-Control-Allow-Origin", "*"); however this did not work.

score 1 · Answer 1 · answered Jul 23 '14 at 20:48

1

If I'm understanding you correctly, you're attempting to retrieve an authorization code from the user. If so, what you need to do is to redirect the user to the URL you've given above. This will take the user through a flow where the user grants your application permissions. When the flow is completed, the user is redirected to your redirect callback URL. If successful, the authorization code will be one of the query parameters when then the user is redirected back to your server.

Documentation: Authorization Code flow

answered Jul 23 '14 at 20:48

Michael Thelin

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Yes This is what I am trying to do, however when I try to redirect to the authorization url I receive the error as stated – user3869133 Jul 27 '14 at 18:16
Is the user ever taken to your redirect URL after giving your application permissions? – Michael Thelin Jul 27 '14 at 19:42
If this was to work correctly, yes after the login is completed through the authorization they should be redirected to my redirect url – user3869133 Jul 28 '14 at 20:10

Authentication Request to Spotify Web API Rejected

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