Subject: Re: [OAUTH-WG] Google's use of Implicit Grant Flow
From: Bill Burke <[email-masked]>
To: [email-masked]
Date: Thu, 16 Feb 2017 18:13:38 -0500
List-Id: OAUTH WG <oauth.ietf.org>

For our IDP [1], our javascript library uses the auth code flow, but 
requires a public client, redirect_uri validation, and also does CORS 
checks and processing.  We did not like Implicit Flow because

1) access tokens would be in the browser history

2) short lived access tokens (seconds or minutes) would require a 
browser redirect

I'd be really curious to hear other's thoughts though.

[1] http://keycloak.org

On 2/16/17 5:44 PM, Jim Manico wrote:
>
> Hello Folks,
>
> I noticed that Google supports the OAuth 2 Implicit flow for 
> third-party JavaScript applications.
>
> https://developers.google.com/identity/protocols/OAuth2UserAgent
>
> Isn't this generally discouraged from a security POV? *Is there a 
> better OAuth 2 flow for third party SPA applications?*
>
> Aloha,
> -- 
> Jim Manico
> Manicode Security
> https://www.manicode.com
>
>
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