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Can't login with C# WebBrowser
Dear support, I'm using WebBrowser control to get the token with the Uri generated by DropboxOAuth2Helper.GetAuthorizeUri method. However, when the webbrowser_Navigated event fires, it stucks at ...
I don't know specifically what changed, but we have found that web views are much more prone to incompatibilities which can lead to issues like this, which is part of the reason for the current policy.
Greg-DB
Dropbox Staff
Dropbox StaffNote that per the documentation, your app should process the OAuth app authorization flow in the system browser, not a web view control like this. Unfortunately, given that web views are not officially supported, I'm afraid we can't offer help with this issue.
That being the case, please update your app to send the app authorization flow through the system browser instead.
For .NET in particular, we recommend using the official Dropbox API v2 .NET SDK. That comes with a helper you can use for processing the OAuth flow in the system browser, as shown in this example.
Hi Greg,
Thank you for your response. I'm using the official DropBox API v2 .NET SDK in my Winforms app. I haved looked at the samples on github before posting this question.
There is a problem with the sample: it needs to run with elevated privilege (aka run as administrator) for the HttpListener to work, or else I would get an access denied exception. This is not possible for my end users because not all of them are allowed to run as administrator.
I found this question https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Facing-problems-getting-the-Access-Token-from-a-user-on-Windows/td-p/205702
This user was using WebBrowser control to get the token and you did not mention that it was not supported. So why now?
Thank you for your response. I'm using the official DropBox API v2 .NET SDK in my Winforms app. I haved looked at the samples on github before posting this question.
There is a problem with the sample: it needs to run with elevated privilege (aka run as administrator) for the HttpListener to work, or else I would get an access denied exception. This is not possible for my end users because not all of them are allowed to run as administrator.
I found this question https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Facing-problems-getting-the-Access-Token-from-a-user-on-Windows/td-p/205702
This user was using WebBrowser control to get the token and you did not mention that it was not supported. So why now?
- Greg-DB
That post is several years old and is no longer up to date.
If that setup with the redirect/listener doesn't work for your use case, you can also omit the redirect URI/listener, in which case the user will be presented with the authorization code that they can copy/paste into your app to finish the flow.
Hi Greg,
Just coming back to my initial question, my app has been working fine with the current setup until yesterday. Does that mean the
https://client-api.arkoselabs.com
stop supporting WebBrowser control without notice?
- Greg-DB
I don't know specifically what changed, but we have found that web views are much more prone to incompatibilities which can lead to issues like this, which is part of the reason for the current policy.
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