Silverlight Integration and Cross-Domain Data Access
by Penelope Coventry Errin O’Connor Troy Lanphier, Johnathan Lightfoot, Thomas Resi
Microsoft® SharePoint® Foundation 2010 Inside Out
- Microsoft® SharePoint® Foundation 2010 Inside Out
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- Introduction
- 1. Introduction to Microsoft SharePoint Foundation 2010
- Presenting SharePoint Foundation 2010
- Sites
- Communities
- Content
- Search
- Insights
- Composites
- What’s New?
- The Ribbon
- Alerts Enhancements
- Business Connectivity Services
- Client Object Model
- Custom Field Rendering Enhancements
- Events Enhancements
- Health Analyzer
- List Enhancements
- Enforcing Unique Column Constraints
- Mobile Device Development Enhancements
- Mobile Messaging
- Performance Monitoring and Request Throttling
- The Ribbon
- Sandboxed Solutions
- Security Enhancements
- Automatic Password Change and Managed Accounts
- Effective Permission API
- Secure Store Service
- Service Application Framework
- Silverlight Integration and Cross-Domain Data Access
- UI Enhancements
- Unified Logging Systems
- Windows PowerShell for SharePoint
- Workflow Enhancements
- Summary
- 2. Administration for Business Users
- 3. End-User Features and Experience
- 4. Creating Sites and Workspaces by Using the Browser
- 5. Designing Lists and Libraries
- Creating Lists
- Modifying Lists and Libraries
- Updating Permissions and Management
- Deleting a List or Library
- Saving a List or Library as a Template
- Changing Permissions for a List or Library
- Manage Files That Have No Checked-In Version
- Workflow Settings
- Information Management Policy Settings
- RSS Settings on Lists or Libraries
- Subscribe to an RSS Feed in a List or Library
- Adding Columns to Lists or Libraries
- Calculating Column Values
- Changing and Deleting List Columns
- Reordering List Columns
- Working with Site Columns in a List or Library
- Creating and Modifying List and Library Views
- Working with List Content
- Creating Discussions
- Creating Surveys
- Summary
- 6. Creating and Formatting Webpages
- Creating and Modifying Content Pages by Using a Browser
- Using SharePoint Designer to Create and Modify Webpages
- Creating Application Pages for SharePoint Sites
- Summary
- 7. Adding, Editing, Connecting, and Managing Web Parts on the Page
- 8. Managing Site Content
- An Introduction to Information Architecture
- Governance
- Choosing a Content Manager
- Managing Content for Internet Sites
- Summary
- 9. Working with External Content
- 10. Using and Creating Workflows
- SharePoint Workflow Basics
- Gathering Requirements by Using Visio Premium
- Creating, Editing, and Managing Custom Workflows by Using SharePoint Designer
- Using Conditions and Actions
- Creating a List Workflow
- Using Common Conditions
- Using the Workflow History Log to Monitor the Progress of a Workflow
- Creating Workflow Variables and Calculating Values
- Using Workflow Variables and Comparing Data from Different Lists
- Assigning Task Items to Users or Groups
- Adding an Else - If Branch to Your Workflow
- Using Workflows to Send Emails
- Checking and Publishing Workflows
- Using the Impersonation Step
- Using Reusable and Globally Reusable Workflows
- Using Conditions and Actions
- Working with Workflows and Visual Studio
- Summary
- 11. Integrating SharePoint with Microsoft Office 2010
- 12. Taking Lists and Libraries Offline
- 13. Managing Site Settings
- Sites vs. Site Collections
- Site Settings (Subsite)
- Site Settings (Top-Level Site)
- Summary
- 14. Creating, Managing, and Designing Sites by Using SharePoint Designer 2010
- 15. Customizing the User Interface
- 16. Developing SharePoint Solutions by Using Visual Studio 2010
- Index
- About the Authors
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Within the WSS 3.0 platform, you can host a Microsoft Silverlight application in a Web Part (which required some modifications to the Web.Config). SharePoint Foundation 2010 has gone beyond this capability by providing a built-in, extensible Silverlight Web Part designed specifically to host Silverlight applications. Also, a closely related object to this new Web Part is Cross-Domain Data Access (Silverlight CDA) which enables secure cross-domain integration between Silverlight applications and SharePoint Foundation deployments. Silverlight CDA can be also used by non-Silverlight external applications, as well.
SharePoint Foundation development efforts are not necessarily needed to add a Silverlight application to your SharePoint Foundation solution. In the simplest of scenarios, users would install your Silverlight application within the same domain as their SharePoint Foundation web application and add the hosting Silverlight Web Part through the UI; they would only need to supply the URL of the application. In the case where the Silverlight application would access SharePoint Foundation data and the application is also hosted on a server located outside of the domain of the web application, you need to create an External Application XML that the user would use to register the hosting Silverlight Web Part. An added benefit is that the Silverlight Tool Part comes built in to SharePoint Foundation 2010.
You could have a scenario in which you need to have host applications located in a different domain from the SharePoint Foundation Web application. This might be due to a need to host many applications on an application server so that the applications can be made available to all web applications in the farm. SharePoint Foundation 2010 ushers in the Silverlight CDA, which makes this scenario available in a secure manner. Silverlight CDA gives administrators the ability to control the permissions on external applications without the need to implement overly restrictive security processes that could hinder users.
In the Silverlight CDA scenario, the application would log on to the SharePoint Foundation web application as a distinct type of user known as an application principal. The application’s permissions would be an intersection of the permissions that the administrator has granted this special user and the permissions of the actual user who opened the webpage (that contains the hosted applications Web Part).
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