Sakai and uPortal 4
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Sakai 2011 Conference presentation on uPortal 4 and integration with Sakai via the Basic LTI and Sakai Connector portlets.
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Sakai and uPortal 4
- 1. Sakai and uPortal 4 Jennifer Bourey, Software Developer, Unicon Steve Swinsburg, Software Engineer, ANU
- 2. 12th Sakai Conference – Los Angeles, California – June 14-16 2
- 3. Framework Image courtesy of http://www.flickr.com/photos/nocallerid_man/ 12th Sakai Conference – Los Angeles, California – June 14-16
- 4. JSR-286 • Resource URLs • AJAX Request handling • File downloads • Inter-Portlet communication • Eventing • Public render parameters • JS/CSS in <head> 12th Sakai Conference – Los Angeles, California – June 14-16 4
- 5. JSR-286 • Caching Enhancements • ETags for resource responses • Public/private scoping for shared data • Callbacks allow the portlet decide if it should re-render 12th Sakai Conference – Los Angeles, California – June 14-16 5
- 6. Spring 3 • Portlet 2.0 MVC Support • REST client & server support • Autowiring to reduce XML Configuration • Easier to override functionality • Significantly reduces the quantity of XML • Makes framework development faster and easier 12th Sakai Conference – Los Angeles, California – June 14-16 6
- 7. Smaller Codebase 12th Sakai Conference – Los Angeles, California – June 14-16
- 8. Rendering Pipeline • Refactored using standard JDK libraries • Componentized and Spring-configured • Advantages • More configurable and modifiable • Each component participates in cache key generation 12th Sakai Conference – Los Angeles, California – June 14-16 8
- 9. Bookmarkable URLs • Reflect navigation state in the URLs • Browser controls work as expected • Multiple windows work as well! • Allow users to bookmark URLs • Log-based statistics tools will be much more useful 12th Sakai Conference – Los Angeles, California – June 14-16 9
- 10. Administrative Tools 12th Sakai Conference – Los Angeles, California – June 14-16
- 11. Administration Overview • User experience redesign • Spring Webflow-based portlets • Standard user interfaces • Less code duplication • Re-usable javascript components 12th Sakai Conference – Los Angeles, California – June 14-16 11
- 12. Administration Overview • Persistence layer upgrades • Enforce relational constraints • Provide better cross-database support • Better caching, locking, and performance • Smaller codebase with better test coverage 12th Sakai Conference – Los Angeles, California – June 14-16 12
- 13. Re-usable Webflows 12th Sakai Conference – Los Angeles, California – June 14-16
- 14. Re-usable JavaScript 12th Sakai Conference – Los Angeles, California – June 14-16
- 15. Groups Administration 12th Sakai Conference – Los Angeles, California – June 14-16
- 16. Groups-Permissions Integration 12th Sakai Conference – Los Angeles, California – June 14-16
- 17. Permissions Administration 12th Sakai Conference – Los Angeles, California – June 14-16
- 18. User Administration 12th Sakai Conference – Los Angeles, California – June 14-16
- 19. User Interface 12th Sakai Conference – Los Angeles, California – June 14-16
- 22. Internationalization • Single unified messaging file used for all • Webflows, JSPs, XSLT, JavaScript • Updated message codes for portlets and theme • Automated translation of new messages 12th Sakai Conference – Los Angeles, California – June 14-16 22
- 23. Mobile Support 12th Sakai Conference – Los Angeles, California – June 14-16
- 24. Integration Image courtesy of http://www.flickr.com/photos/myklroventine/ 12th Sakai Conference – Los Angeles, California – June 14-16
- 25. Grouper Integration • Browse, search, and view Grouper groups from uPortal • Assign uPortal permissions and distribute content using Grouper groups • Administer Grouper groups from uPortal 12th Sakai Conference – Los Angeles, California – June 14-16 25
- 26. Single Sign-On • CAS • CAS 3.4.3 bundled with uPortal • CAS Clearpass module and configuration included • Shibboleth • Authentication • SAML attributes 12th Sakai Conference – Los Angeles, California – June 14-16 26
- 27. Event-based Search API • Portlets can participate in search results through standard JSR-286 events • Existing support for • User Directory • Google Search Appliance • WYSIWYG content portlets 12th Sakai Conference – Los Angeles, California – June 14-16 27
- 28. REST Services • New REST services for accessing information about • Users, groups, permissions • Still in development 12th Sakai Conference – Los Angeles, California – June 14-16 28
- 29. Content Creation • Re-usable publishing types for • WYSIWYG content creation • Google Gadgets • Auto-graphing SQL • Image / IFrame 12th Sakai Conference – Los Angeles, California – June 14-16 29
- 30. Integration Portlets • Provide an interface, common implementations, proxied authentication • Jasig integration portlets include • Web Proxy, XSLT • Calendar (iCal, CalDAV, Bedework) • News (RSS/Atom) • Video (RSS/Atom, YouTube feeds) 12th Sakai Conference – Los Angeles, California – June 14-16 30
- 31. Courses Portlet 12th Sakai Conference – Los Angeles, California – June 14-16
- 32. Future Directions 12th Sakai Conference – Los Angeles, California – June 14-16
- 33. Layout Refactoring • Update model and persistence layers • Support more than one layout per user • Allow layout customization from a mobile device 12th Sakai Conference – Los Angeles, California – June 14-16 33
- 34. Groups and Permissions • Refactor Groups and Permissions APIs • Reduce the use of static method calls • Introduce support for generics • Increase ability to unit test portal code • Spring Security integration • Replace custom uPortal authentication APIs • Use Spring Security method-level annotations 12th Sakai Conference – Los Angeles, California – June 14-16 34
- 35. Statistics • Improvements to uPortal stats recording API • Build reporting portlets 12th Sakai Conference – Los Angeles, California – June 14-16 35
- 36. REST Services • Create REST services for uPortal entities, permissions • Allow richer integration with external tools • Easy way for portlets to access portal specific data 12th Sakai Conference – Los Angeles, California – June 14-16 36
- 37. Following uPortal • Nightly Build • https://up40-nightly.jasig.org • Community Calls • Project updates and community demos 12th Sakai Conference – Los Angeles, California – June 14-16 37
- 38. Following uPortal • Social Networking • http://twitter.com/uportal • http://www.facebook.com/uPortal • http://www.youtube.com/uportal 12th Sakai Conference – Los Angeles, California – June 14-16 38
- 39. What we wanted to achieve Basic LTI Sakai Connector Portlet The Basic LTI Portlet for uPortal OVERVIEW 12th Sakai Conference – Los Angeles, California – June 14-16 39
- 40. What we wanted to achieve • Bringing a portal online at ANU • Link together existing systems • “One stop shop” for services • IMS Basic LTI provider support in Sakai • Render Sakai tools outside of Sakai portal • And external tools inside Sakai • Works in Sakai 2.6 onwards (possibly earlier) 12th Sakai Conference – Los Angeles, California – June 14-16 40
- 41. Basic LTI • Specially crafted HTTP request, signed by OAuth • Hashes the params, inserts additional ones • Many external integrations use a similar approach • params + secret + timestamp + checksum • Basic LTI formalises this into a proper spec 12th Sakai Conference – Los Angeles, California – June 14-16 41
- 42. Basic LTI request http://localhost:8080/imsblti/provider/sakai.resources context_id:901868c8-ea8c-45b9-a329-2ab8a1ab702c lti_message_type:basic-lti-launch-request lis_person_contact_email_primary:steve.swinsburg@gmail.com lis_person_name_full:Steve Swinsburg lti_version:LTI-1p0 oauth_consumer_key:my.anu.edu.au oauth_nonce:1276220159279202000 oauth_signature:sppLAK277l5OldQOXl3MaAdXwUA= oauth_signature_method:HMAC-SHA1 oauth_timestamp:1276220159 oauth_version:1.0 resource_link_id:Pluto_29_u24l1n19_ tool_consumer_instance_guid:my.anu.edu.au user_id:e58d8daa-f9bf-482f-9b18-2c654f19e565 12th Sakai Conference – Los Angeles, California – June 14-16 42
- 43. Basic LTI in Sakai • Initial Basic LTI implementation in Sakai namespaced users and sites to keep them sandboxed away from general population. 12th Sakai Conference – Los Angeles, California – June 14-16 43
- 44. Basic LTI in Sakai • New users/site not ideal for integrating systems that share information • Modified Basic LTI to allow clean passthrough • ... skips namespacing, uses data as-is • One additional property in sakai.properties 12th Sakai Conference – Los Angeles, California – June 14-16 44
- 45. Sakai connector portlet • Uses SOAP web services to get additional info from Sakai • sites user has access to • pages and tools in a given site • internal uuid • User configures portlet • Portlet performs the Basic LTI launch 12th Sakai Conference – Los Angeles, California – June 14-16 45
- 46. Sakai connector portlet Set custom title & frame height Choose site Choose tool 12th Sakai Conference – Los Angeles, California – June 14-16 46
- 47. Sakai connector portlet 12th Sakai Conference – Los Angeles, California – June 14-16 47
- 48. Sakai Connector Portlet SCREENCAST 12th Sakai Conference – Los Angeles, California – June 14-16 48
- 49. 12th Sakai Conference – Los Angeles, California – June 14-16 49
- 50. Basic LTI portlet for uPortal • Pure Basic LTI consumer • Pluggable architecture for connecting to any Basic LTI provider • Sakai, Peoplesoft, Chemvantage, Noteflight, Standard, Wimba, standard. • Registers as a portlet type • Runtime configuration 12th Sakai Conference – Los Angeles, California – June 14-16 50
- 51. Basic LTI Portlet DEMO 12th Sakai Conference – Los Angeles, California – June 14-16 51
- 52. QUESTIONS https://wiki.jasig.org/display/PLT/Sakai+connector+portlet https://wiki.jasig.org/display/PLT/Basic+LTI+Portlet 12th Sakai Conference – Los Angeles, California – June 14-16 52