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Interacting with ActionUrl


For security reasons, the production version of the HealthVault Web site redirects only to URLs that have been submitted to Microsoft in advance. Each application must register an ActionUrl on the HealthVault server. The page at this ActionUrl should be capable of understanding the targets that can be passed to the application by the HealthVault Web site.

Last updated: July 2012

This topic contains the following sections.

In non-production environments, a developer can override this submitted URL by specifying a NonProductionActionUrlRedirectOverride in their web.config file.

The SDK contains a class that implements the ActionUrl/redirect behavior based on web.config settings.

When you are developing and testing your application in non-production environments, you may want the HealthVault Web site to redirect to a URL other than the registered one. This is especially true if you have not yet registered an ActionUrl with Microsoft HealthVault.

For non-production environments, you can override the registered URL by specifying a NonProductionActionUrlRedirectOverride parameter in your web.config file. Its value should be a relative path from your application root without a leading slash. This format allows Visual Studio developers to utilize its built-in Web server, where the port number can change after each compilation. For example, instead of http://mydevbox/subdir/actionUrlHandler.aspx, the config value would be subdir/actionUrlHandler.aspx—note that there is NO leading slash.

The HealthRecordPage functions SignOut and RedirectToLogOn use the web.config value (see below for name) if it is present and non-empty. If this value has not been specified in your web.config file, then redirects—including LogOn—do not behave correctly in non-production environments. The server will try to redirect to the ActionUrl that is registered on the server, which is not a place in your development environment. If you are using a sample application’s ApplicationId, the registered ActionUrl takes you to an error page.

This override parameter is ignored in the Production environment.

The SDK contains a class that you can use to quickly and easily build an ActionUrl handler: Microsoft.Health.Web.HealthServiceActionPage. This page can process the target parameter for you and can look up the appropriate RedirectUrl in your web.config file.

Create an action.aspx file at the URL that you specify for the ActionUrl when your application is registered. That action.aspx file should point to this class for its implementation or point to a class that extends this class. In your web.config file, add entries for each of the targets that your application supports, using WCPage_Action as the prefix for the key. For example, for the Home target, create a setting in the web.config with key WCPage_ActionEULA and the value containing the URL of your application EULA.

Registering an ActionUrl is one of the steps on the Go-Live checklist that every application must go through before it can access the production environment. A copy of this checklist is available on the MSDN HealthVault site. You can also find instructions for changing this value on MSDN.

For production environments – you MUST implement handling of redirection from the shell back to your application for the Application Targets listed on the Shell redirect interface.

Ff803625.alert_note(en-us,MSDN.10).gif Note

In the production environment, the action URL must use SSL, that is, the URL must begin with https://.

Each of the SDK’s sample applications shows this functionality (FitTrakLite, OnePageFitness, and SleepJournal).

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