OAuth is an open standard for authorizing access to data. It is a service that is complementary to, but distinct from, OpenID.

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3
votes
2answers
285 views

OAuth2 authorization - save token in the cookies or in the session?

I'm a security newbie. I'm implementing oauth on my site and I want to ask where I should save my access token: cookies session (will be fetch from the server via ajax request) I have backend ...
4
votes
1answer
342 views

Authenticate users through Google using only an OAuth2 access token

I have a question about having users logon to my service using their Google Credentials. I've gone through the Using OAuth 2.0 for Login documentation provided by Google. The documentation mentions ...
3
votes
1answer
49 views

When implementing an OAuth provider, what is the right granularity for a “scope”?

If I'm an OAuth provider and I want to empower the user to restrict apps to only a subset of resources (for example, only resources in folder X), what is the right mechanism to do this? Scopes would ...
3
votes
1answer
119 views

Why does OAuth2 demand client credentials in an authorization header?

In section 2.3.1 of the the OAuth 2.0 Authorization Framework it states: The authorization server MUST support the HTTP Basic authentication scheme for authenticating clients that were issued a ...
2
votes
1answer
115 views

Facebook oAuth2 for Javascript client application

When implementing Facebook login using oAuth2 (the Javascript version), I receive an access token back from the Facebook auth server. So far so good. The problem I have is that I want to implement a ...
2
votes
1answer
206 views

Facebook iOS SDK Authentication

The Facebook iOS SDK only needs your bundle & app IDs of your iOS app to match those of your Facebook app. If I find out an app's app ID, can't I just create another iOS app with that app's ...
2
votes
1answer
129 views

OAuth2 - Is it safe to return the access-token to the user?

I'm new to OAuth (1 & 2), and I'm developing the server side of a mobile app that has a form with a "Fill Details from Google account" button. I don't need any long-range ...
1
vote
1answer
93 views

What's the security impact of tampering with Google OAuth continue parameter?

What's the security issue of this scenario related to tampering with the continue parameter: Go to: https://accounts.google.com/ServiceLogin?service=[service ...
1
vote
1answer
177 views

how secure is javascript based oauth2.0

Javascript based oauth exposes the client id of the application and it trusts only on the domain requesting the access token. The domain name can be forged with a dns hijack(or a virus affecting ...
1
vote
1answer
264 views

Security: Oauth and Mobile apps

This is what I believe are the security implications of integrating Oauth using embedded webview vs browser in mobile application. Embedded Webview * Keep UI for mobile app Security implications ...
0
votes
1answer
36 views

Steps to create user authentication system between mobile and server

First time doing a secure login from a mobile app to a server (built in java). I want to understand if I got this right. Login in for the first time: 1. On the mobile device hardcode a security ...
2
votes
0answers
169 views

If my users use Google OAuth for authentication, can I allow 3rd party apps to read data on my site?

Suppose I run a book club, and each of the members sign into my website using an OAuth token from Google, Twitter, Live, or LinkedIn. When the book club becomes popular, we discover that 3rd party ...
2
votes
0answers
151 views

Implementing ACS with REST + many Identity Providers - Problems - Azure

I am trying to integrate ACS to use in my application's authentication system. Currently I have a Javascript client and a WCF so I had to use a REST architecture. I am quite puzzled on how to do ...
1
vote
0answers
21 views

Compromised JSON Web Token (JWT) Bearer Token

We are implementing a REST service that requires authentication and authorization. Because of the stateless nature of REST API's, we want to use JWT to make authenticated calls to the API through a ...
1
vote
0answers
34 views

using oAuth2 auth dance vs oAuth1 signing

I have been reading about oauth and 'how to create apis'. In oauth2, there is what they call the authentication dance where the client will be requesting a request token using a consumer key and ...
1
vote
0answers
30 views

Purpose of Secure Key in Facebook(and other provider) in OAUTH?

I see lot of OAUTH provider give us a secure key. What is the purpose of secure key in Facebook(and other provider) in OAUTH?
1
vote
0answers
23 views

Is indirection with ID federation possible?

At the moment I'm trying to design a system with some services. These services should make use of an ID provider (a) for login (for example using OAUTH) and another ID provider (b) to get user data. ...
1
vote
0answers
183 views

I authenticate my users through Facebook's Oauth client and want to secure my own called APIs

My application is divised into two parts: Javascript application as client Server side API's (RESTFUL through Play!2.2 framework) I expect users to be authenticated through Facebook's Oauth 2.0 ...
1
vote
0answers
87 views

How do I get the Access-Token and Access-Token-Secret?

Can anyone explain me these terms with respect to OAuth ? Consumer Key Consumer Secret Access Token Access Token Secret Also, when I registered my application with twitter I got the consumer key ...
1
vote
0answers
356 views

Simple Session Management Across Multiple Application Servers

How should I handle authentication for a simple iPhone chat app? Backend I'm building the backend using two application servers: Sinatra REST Server It lists users & old messages. Node.js ...
1
vote
0answers
171 views

Implementing OAuth flow in JavaScript

I am making a custom auth flow for the application. It is inspired by OAuth 2.0. Dev sends user to an auth page on my domain, passing callback_url and api_id. I redirect user to callback_url, passing ...
1
vote
0answers
139 views

Generating API keys within an OAuth2 session for non-web-browser clients

I am using Google's OAuth2 for authentication for a website which also has a RESTful API component. I would like to support connections from clients which are not within a web browser. Also, I'd ...
0
votes
0answers
21 views

OAuth2 - Resource Owner Password Credentials grant

The OAuth2 spec describes the Resource Owner Password Credentials grant type and authorisation flow here. I understand that only 'trusted' client applications would be allowed to use this grant, for ...
0
votes
0answers
17 views

Multi sub-domain login for content, spring security for main

Illustration : mainsite.com and contentsite.com both are being developed for same company by two teams. we will have login etc at mainsite.com contentsite.com will have some content that is not ...
0
votes
0answers
30 views

Mobile Backend Server: How to validate authenticated client is valid?

Consider this scenario Step 1: App asks user to "Sign In" using Google or Facebook Step 2: Once authenticated, app sends user's Id (from Google/Facebook) to My App Server requested to app ...
0
votes
0answers
46 views

OAuth - Facebook custom authorization grant

I've developed my own custom authorization grant. The steps I am undertaking are the following: I get the facebook authorization code from the mobile device (this is an an API for mobile devices) I ...
0
votes
0answers
96 views

Starting database security for web app that logs in with Facebook/Google JS SDKs

I have been making a web app that uses Facebook and Google JavaScript APIs to login (no email login) on the client side and currently it accesses a MySQL database directly using PHP and MySQLi, but I ...