Questions tagged [oauth]

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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1answer
892 views

Oauth2 - in traditional enterprise applications

I read about Oauth2, mostly in the context of social media service providers like Google, Facebook, Twitter where they Try to allow access to user data without giving password to third party ...
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1answer
235 views

oauth2 account authentication

imagine you secured your application with oauth2 and several oauth providers. Now imagine someone using provider A with email bob@example.com to log in. Next time, someone uses provider B with the ...
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2answers
585 views

Does providing OAuth for mobile apps pose a security threat?

Let's take a look at the basic OAuth workflow: The basic idea is that the Consumer (App) asks the user to grant him access to the Service Provider. The service protects the user by asking him each ...
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1answer
2k views

OAuth: client credentials vs tokens

Wouldn't it be much simpler and virtually equally secure to replace tokens by pure client credentials? Client credentials wouldn't expire and resource owners would always be able to modify their ...
7
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1answer
2k views

Is it safe to store twitter access tokens client side?

After the Twitter oauth process, once I finally get my access_token_key and access_token_secret is it safe to store these in a javascript variable client side? As far as I can work out nothing can be ...
12
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2answers
6k views

Client authentication vs. user authentication

I am currently looking into authentication protocols which work well with REST API, in java. There is something fundamental I don't understand: I read a lot of material about OAuth protocol, SSL, ...
12
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2answers
399 views

Preventing Voter Fraud on a Social Media Contest

I'm creating a contest that will allow users to login using their Facebook & Twitter accounts and submit votes on videos. My clients concern is that users will game the system by logging into ...
3
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2answers
891 views

Are these standard OAuth2 flows? (what are their names?)

I'm developing a B2B platform, where other developers (our customers) will build shop-front style apps that leverage our platform. We expose a REST based API which our customers either call directly ...
3
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3answers
310 views

OAuth in open-source plugin

I'm designing an API server and client pair. Typically, I want the client to be in a WordPress plugin. I'd like to use OAuth or something similar to secure the requests. However, as you know, OAuth ...
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1answer
427 views

How can I ensure privacy when outsourcing authentication to an IdP (Identity Provider)

I need to outsource authentication to an IdP (Identity Provider) but I don't want that IdP to know of the calling site. The two major issues are the callback URL and the referer header. Is there any ...
3
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1answer
220 views

Does OAuth 2.0 provide a way to reliably regenerate a key only when a session is active?

I want to encrypt sensitive data on my app server (facebook app) in such a way that my app may only decrypt this data when the user is in an active session. I need to be able to reliably derive/...
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0answers
40 views

Facebook Login security concern with the javascritp JDK [duplicate]

Possible Duplicate: Isn’t OAuth, OpenID, Facebook Connect, and others crazy from a security standpoint? I have some real concerns about how to use facebook login for my wabb-app. I have a ...
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4answers
925 views

Security implications of using a OAuth-enabled password manager

I've resisted the idea of password managers for a long time. Bringing together passwords for all your online accounts in one place that is only protected by difficult-to-remember master password doesn'...
3
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3answers
937 views

Access Control and Authentication using Facebook access tokens in a webapp

I'm working on a mobile app with a web backend. We'd like to have users authenticate (log in) themselves through Facebook only, so we don't have to store passwords etc. and don't force users to create ...
6
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1answer
601 views

API Design Model - Client Side Encryption

I'm currently designing a API Model to use. A user will have a 'secret_api_key' and a 'public_api_key'. They will send a request to my server with the public key, the form data, and then a hash. The ...
11
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1answer
4k views

Storing OAuth and other authentication tokens

We all know that when to store passwords, we should store it with one-way hash such as a variant of SHA, bcrypt or scrypt to prevent plain-text password leaks when the database is hacked. But what ...
3
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2answers
760 views

Is it possible to find out the oauth 2.0 client id and secret when an app is communicating with a web service?

I'm building an mobile app that needs to communicate with a web service. To make sure that only my app is communicating with the web service, I authenticate using OAuth 2. The fact that I need to ...
5
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1answer
87 views

What are the security challenges encountered with attribute exchange?

OpenID has Attribute Exchange, Facebook has Facebook Connect, and authorization services such as Oauth enable access to user data distributed across a range of content providers. What are the ...
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4answers
3k views

Is Facebook Connect or Twitter OAuth PCI Compliant?

We have a system that stores credit cards securely on file. We'd love to allow users to sign up using Facebook Connect or Twitter. Obviously this wouldn't be secure if we were trusting just any old ...
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2answers
1k views

Should I avoid this token-based authentication scheme (that's not OAuth)?

I've dealt with OAuth before but I'm not too sure about the API I'm working with now. My question is basically, is this woefully insecure? As I understand it, oAuth does the following (roughly): ...
6
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2answers
3k views

Security drawbacks for using short-lived access token in javascript client side

I intend to build a front end site entirely in javascript (NodeJS) and i would like to do ajax calls to a REST WS which is on another domain on client side. I intend to use oauth2 and SSL to secure ...
18
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1answer
4k views

Best way to secure javascript front end/REST back end architecture web site?

I would like to build the following project: public REST API back end which can be accessed by any authenticated client. front end with static files in HTML/CSS/Javascript with Backbone.js jQuery ...
2
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1answer
686 views

Multiple security layers for SOA REST intranet services

For intranet applications that already leverage Active Directory, is there any point or benefit to adding a second layer of security such as OAuth when accessing SOA REST services? We're new to SOA ...
7
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3answers
350 views

Detecting OAuth malicious Implementation

I am wondering how can an end-user detect a maliciously implemented OAuth whether 2-legged or 3-legged. Particularly I am interested in those cases where the consumer requester is maliciously ...
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2answers
1k views

OAuth User revoke token

I haven't read it myself but a colleague told me that the end-user can revoke his/her OAuth token. I searched but I couldn't find enough docs on: is this true / is the end-user the one to revoke the ...