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HttpRedirectSection Class [IIS 7 and higher]

IIS 7.0

Configures HTTP redirection.

class HttpRedirectSection : ConfigurationSectionWithCollection

The following table lists the methods exposed by the HttpRedirectSection class.

Name

Description

Add

(Inherited from ConfigurationSectionWithCollection.)

Clear

(Inherited from ConfigurationSectionWithCollection.)

Get

(Inherited from ConfigurationSectionWithCollection.)

GetAllowDefinition

(Inherited from ConfigurationSection.)

GetAllowLocation

(Inherited from ConfigurationSection.)

Remove

(Inherited from ConfigurationSectionWithCollection.)

RevertToParent

(Inherited from ConfigurationSection.)

SetAllowDefinition

(Inherited from ConfigurationSection.)

SetAllowLocation

(Inherited from ConfigurationSection.)

The following table lists the properties exposed by the HttpRedirectSection class.

Name

Description

ChildOnly

A read/write boolean value. true if the redirection destination is in a subdirectory of the original URL; otherwise, false. The default is false. This setting alerts IIS that the redirection should occur only once and prevents endless loops in the substitution engine.

Destination

A required, nonempty read/write string value that contains the file name, directory path, or URL to which the user is redirected. The string can include redirect variables to pass portions of the original URL with the destination URL. You can use more than one variable in the string.

Enabled

A read/write boolean value. true if HTTP redirection is enabled; otherwise, false. The default is false.

ExactDestination

A read/write boolean value. true if the URL should be considered an absolute location; otherwise, false. A setting of true prevents the substitution engine from appending the original requested resource to the redirection URL.

HttpRedirect

An array of WildcardRedirectElement values that, by using matching criteria, redirect file name, directory path, or URL requests to specified destinations.

HttpResponseStatus

A read/write sint32 enumeration that contains the HTTP response status. The possible values are listed later in the Remarks section.

Location

(Inherited from ConfigurationSection.) A key property.

Path

(Inherited from ConfigurationSection.) A key property.

SectionInformation

(Inherited from ConfigurationSection.)

This class contains no subclasses.

The following table lists the possible values for the HttpResponseStatus property. The default is 302 (Found).

Value

Keyword

Description

301

Permanent

IIS tells the Web client that the location for the requested resource has permanently changed. The new location is specified in the Location HTTP header. This setting allows Web clients that keep record of HTTP URL links to update the stored URL with the new location.

302

Found

IIS tells the Web client to issue a new request to the location specified in the Location HTTP header.

307

Temporary

IIS tells the Web browser to reissue a POST request with original data to a new location. Normally, when a Web browser issues a POST request and receives a 302 redirect message from the Web server, the browser issues a GET request for the new location. This causes the data in the original POST request to be lost. If the browser receives a 307 redirect, it can reissue the POST with the original data intact.

The first example displays all of the properties of the HttpRedirectSection class, including the embedded SectionInformation and HttpRedirect properties.

The second example creates four wildcard redirect elements and attempts to add them to the default Web site's <httpRedirect> section. If duplicate entries exist, the code reports so; otherwise, it adds the new entries. Finally, it displays the new count of all entries and the wildcard and destination for each.

' 1) First example: Display the httpRedirect properties
' for the default Web site.
' Connect to the WMI WebAdministration namespace.
Set oWebAdmin = _
    GetObject("winmgmts:root\WebAdministration")

' Get the httpRedirect section for the default Web site.
Set oSite = oWebAdmin.Get("Site.Name='Default Web Site'")
oSite.GetSection "HttpRedirectSection", oSection

' Display the nonembedded properties.
WScript.Echo "=============================="
WScript.Echo "HttpRedirectSection Properties"
WScript.Echo "=============================="
For Each vProp In oSection.Properties_
    If (vProp.Name <> "HttpRedirect") And _
    (vProp.Name <> "SectionInformation") Then
        WScript.Echo vProp.Name & ": " & vProp.Value
    End If
Next

' Display the contents of the SectionInformation property.
WScript.Echo 
WScript.Echo "--------------------------------------"
WScript.Echo "HttpRedirectSection.SectionInformation"
WScript.Echo "--------------------------------------"
For Each vProp In oSection.SectionInformation.Properties_
    WScript.Echo vProp.Name & ": " & vProp.Value
Next
WScript.Echo 

' Display the WildcardRedirectElement instances in the
' HttpRedirect array property.
WScript.Echo "--------------------------------"
WScript.Echo "HttpRedirectSection.HttpRedirect"
WScript.Echo "--------------------------------"
For Each oWildcardRedirectElement In oSection.HttpRedirect
    For Each vProp In oWildcardRedirectElement.Properties_
        WScript.Echo vProp.Name & ": " & vProp.Value
    Next
    WScript.Echo
Next

' 2) Second example: Add four WildcardRedirectElement
' instances to the default Web site and display the result.
' Connect to the WMI WebAdministration namespace.
Set oWebAdmin = _
    GetObject("winmgmts:root\WebAdministration")

' Get the httpRedirect section for the default Web site.
Set oSite = oWebAdmin.Get("Site.Name='Default Web Site'")
oSite.GetSection "HttpRedirectSection", oSection

' Set up a loop to add four new redirects.
For Counter = 1 To 4
    ' Create a new instance of WildcardRedirectElement.
    ' Note that you do not need to use SpawnInstance_.
    Set oWildcardRedirect = _
        oWebAdmin.Get("WildcardRedirectElement")

    ' Specify the page to be redirected.
    oWildcardRedirect.Wildcard = _
        "Adatum.com/Page" & Counter & ".htm"

    ' Specify the destination for the redirected page.
    oWildcardRedirect.Destination = _
        "Contoso.com/Page" & Counter & ".htm"

    ' Prepare to catch duplicate entries.
    On Error Resume Next

    ' Attempt to add the wildcard entry to the collection. 
    ' (You do not need to use Put_ to save the change.)
    oSection.Add "HttpRedirect", oWildcardRedirect

    ' Catch duplicate entries.
    If Err.Number = -2147024713 Then
        WScript.Echo "Redirect entry for """ & _
        oWildcardRedirect.Wildcard & """ already exists."
        WScript.Echo
    End If
Next

' Update the contents of the oSection variable.
oSection.Refresh_

' Display a header and the new number of entries.
WScript.Echo "--------------------------------"
WScript.Echo "HttpRedirectSection.HttpRedirect"
WScript.Echo "--------------------------------"
WScript.Echo "The number of redirect entries is now " & _
    UBound(oSection.HttpRedirect) + 1 & "."
WScript.Echo 

' Display the new set of wildcard redirect elements.
For Each oWildcardRedirectElement In oSection.HttpRedirect
    WScript.Echo "Wildcard: " & _
        oWildcardRedirectElement.Wildcard & vbTab & _
        "Destination: " & _
        oWildcardRedirectElement.Destination
    WScript.Echo
Next

Type

Description

Client

Requires IIS 7 on Windows Vista.

Server

Requires IIS 7 on Windows Server 2008.

Product

IIS 7

MOF file

WebAdministration.mof

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