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403 error during authentication

Recently we've started to see 403 errors during sign-in. We start bu callling authorizeFromController:controller:openURL, the user then chooses their account, taps allow, and then before our :application:openURL: is called, a screen comes up saying 403 and to retry. Back up and retry and it works.

It happens 100% on the simulator for us, and on some devices. Believe the lack of the Dropbox app causes it on device.

We are a multi-login app if that makes any difference.

Thanks,

Dylan

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Greg-DB

Thanks for the report! I just tried this though and I wasn't able to reproduce the error page you're seeing. I tried using the official Dropbox Objective-C SDK v3.9.4 in the iPhone Xr iOS 12.2 simulator.

Are you still seeing this issue now? If so, can you let us know:

What device(s)/simulator(s) and versions of iOS specifically are you seeing this with?
Is there anything on your network connection that may be interfering with any connections to Dropbox or Google (our CAPTCHA provider)?
Are there any JavaScript errors when this occurs? You can retrieve this from a device using the Safari Web Inspector.

Thanks in advance!