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bffy_smmmers's avatar
bffy_smmmers
Helpful | Level 5
4 years ago
Solved

dbx.auth not working / getAccessTokenFromCode giving 400 response?

I'm trying to access the `getAccessTokenFromCode` method and I keep receiving a 400 error. On top of that, I can't seem to write the code and get it to work in the way it's written in the Auth ex...
API
  • Greg-DB's avatar
    Greg-DB
    4 years ago

    I'm not sure I follow your message, but you should specify it in both places. The /oauth2/authorize page redirect_uri parameter specifies where to send the user after they authorize the app, and the 'redirectUri' you pass to 'getAccessTokenFromCode' is just a string sent up in a /oauth2/token API call to verify that it matches.

Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
4 years ago

If you're signed in to an account that has already authorized the app, you may not be explicitly asked to authorize it again, and may instead just be redirected through the flow automatically. Check out the 'force_reapprove' parameter on /oauth2/authorize.

bffy_smmmers's avatar
bffy_smmmers
Helpful | Level 5
4 years ago

Also, Greg-DB im using the JavaScript SDK. I dont see how to inject forceReapprove/force_reapprove with the current methods im using on node backend (getAuthenticationUrl, getAccessTokenFromCode). 

  • Greg-DB's avatar
    Greg-DB
    Icon for Dropbox Community Moderator rankDropbox Community Moderator
    4 years ago

    That's correct, that parameter isn't currently implemented in the Dropbox JavaScript SDK, but I'll be sure to pass this along as a feature request. You can add it to the /oauth2/authorize URL in your app's own code though, by modifying the URL returned by getAuthenticationUrl.

    • bffy_smmmers's avatar
      bffy_smmmers
      Helpful | Level 5
      4 years ago

      Greg-DB Would you be able to expand on how that exactly gets done? Thanks! 

      • Greg-DB's avatar
        Greg-DB
        Icon for Dropbox Community Moderator rankDropbox Community Moderator
        4 years ago

        For example, where authUrl is the URL you got from getAuthenticationUrl, you can modify it like this:

        var url = new URL(authUrl);
var urlParams = new URLSearchParams(url.search);
urlParams.set('force_reapprove', 'true');
url.search = urlParams;
console.log(url.href);

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