WSO2 Identity Server + Rest STS Client (without ESB)

Question

Is below possible using WSO2 IS? I have gone through different WSO2 blogs. They are nice pointer. Still I need to advised on this.

Requirement- WSO2 Identity Server + Rest STS Client (without ESB)

1. Users are managed on WSO2 Identity Server.
2. STS Client use RestFul API to call WSO2 Identity Server's STS service for a) Get Security Token b)Validate Token c)cancel Issued Token d) renew Issued Token
3. Retrieve user profile using a specific Security token.

Reference:

• https://web.cci.emory.edu/confluence/display/EmorySTS/Security+Token+Service+Client+API
  
• http://blog.facilelogin.com/2011/07/integrating-3-legged-oauth-with-xacml.html
  
• http://blog.facilelogin.com/2010/05/managing-users-and-roles-with-wso2.html
  
• http://blog.facilelogin.com/2009/05/security-token-service-with-wso2.html
  
• http://blog.facilelogin.com/2009/05/accessing-proxy-services-in-wso2-esb.html
  
• http://download.forgerock.org/downloads/openam/javadocs/9/com/sun/identity/wss/sts/TrustAuthorityClient.html

Answer 1

STS which is based on WS-Trust is for SOAP based services. But WSO2 Identity Server also implements another specification called Passive STS - which is wrapper of the WS-Trust functionality. PassiveSTS support in WSO2 Identity Server can be used as way to obtain a token for REST client.