ASP.NET Web App With PayPal Authentication Using Windows Azure ACS

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Scenario

In this scenario you are developing ASP.NET web application and you need to authenticate users using their PayPal accounts.

• ASP.NET web application
• Users accounts are managed by PayPal
• ASP.NET app requires authentication using the PayPal accounts

Solution Approach

ACS is used to solve this scenario.  PayPal is regietered as an IdP with ACS and the ASP.NET (RP) application uses it for its authentication needs when federated with ACS.

• ASP.NET federates with ACS
• PayPal is registered as Open ID Identity Provider with ACS
• PayPa's Open ID endpoint https://www.paypal.com/webapps/auth/server 

Analysis

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How To's

• PayPal OpenID Implementation details

Code Samples

• PowerShell script for configuring PayPal as Open ID IdP with ACS View

Resources

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