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Building Apps With MySpace SDKs. Chak Nanga (Architect). Introduction. SDKs support "on-site" and "off-site" app development "On-Site"/ OpenSocial Applications (Canvas View) OpenSocial app’s canvas view hosted on your server Written using a language/framework of your choice - PowerPoint PPT Presentation
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Chak Nanga (Architect)
Building Apps With MySpace SDKs
Introduction
• SDKs support "on-site" and "off-site" app development
• "On-Site"/OpenSocial Applications (Canvas View)– OpenSocial app’s canvas view hosted on your server– Written using a language/framework of your choice– App logic hosted on your servers and displayed on MySpace in an IFrame
• "Off-Site”/MySpaceID Applications– Apps/Services that leverage MySpace social data outside MySpace– Written in a language/framework of your choice– Apps hosted on your servers
MySpace SDKs Overview
• MySpace REST APIs are at the core of the SDKs
• SDKs provide a high level interface to the REST APIs
– High level APIs to get social data from MySpace (friends, profile etc.)
– Abstracts away the protocol details (OAuth signing)
• Available in multiple languages
– C#, Java, PHP, Python, Ruby
• Consistent interface across all the languages
• Open-sourced and hosted on google code
• Contributors are welcome!
SDK Contents
• Core API library and dependent libraries (Oauth, OpenID etc)
• Samples for supported usage scenarios
– OAuth Delegated Access (“3-Legged” Oauth)
– OpenID + OAuth Hybrid
• Documentation
Building an “on-site” application
• Choose the "External IFrame" radio button in the Canvas Surface tab
• Enter the IFrame URL in the text box
Building an “on-site” application
• Canvas view rendered in an IFrame• Iframe “src” set to IFrame URL (signed request from
MySpace)• Verify signatures when request hits your servers• Extract user id from the request• Utilize the user id in the SDK calls
On-Site App Demo / Code
Building a MySpaceID application
OAuth Delegated Access Demo
• Application steps– Get request token
– Redirect to authorization page (on MySpace)
– User approves application request
– MySpace redirects to the supplied callback URL
– Get access token
– Access social data using the SDK
OAuth Delegated Access Code
• Get Request Token + Redirect to Service Provider
OAuth Delegated Access Code
• Get Access Token (in the Service Provider callback)
OAuth Delegated Access Code
• Access protected resources
OpenID + OAuth “hybrid” Demo
• MySpace is a “Combined Provider” (OpenID Provider + OAuth Service Provider)
• OpenID OAuth extension (“hybrid”)– Combines authentication and authorization screen for two protocols– Better user experience
• Application steps– Use OpenID library to initiate authentication– Embed OAuth approval request into OpenID authentication request– Combined Provider returns approved request token– Combined Cosumer exchanges the request token for access token– Access social data using the SDK
OpenID + OAuth “hybrid” Code
• Embed OAuth approval request
OpenID + OAuth “hybrid” Code
• Exchange approved request token for access token• Access user data
Thank You!
• Additional Information– http://developer.myspace.com/myspaceid/