How to Use Powershell to add WorkflowActivities to GAC and AIC

FIM ScriptBox Item

Summary

This script is intended to make the process of adding or updating new Workflow Activities to FIM by adding DLLs to the GAC and creating (if needed) a corresponding AIC object within the portal to enable FIM to access the new code.

Script Code

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#-- InstallAIC.PS1

#--

#-- Registers a DLL into the GAC and installs it into the AIC (providing it has the WorkflowPart and UIpart elements)

#-- Usage: installaic.ps1 <full path to dll>

#-- e.g. installaic.ps1 "c:\program files\microsoft forefront identity manager\2010\service\ocg.MyWorkflow.dll"

#-- GAC elements adapted from http://codeimpossible.com/2010/7/21/Installing-Assemblies-to-GAC-with-PowerShell

Param ($dllpath)

#--------------------------------------------------------------------------------------------------------------------

#-- 

Function AddChangeToResource

{

Param($Resource, $AttributeName, $AttributeValue, $Operation)

$ImportChange = New-Object Microsoft.ResourceManagement.Automation.ObjectModel.ImportChange

$ImportChange.Operation = $Operation

$ImportChange.AttributeName = $AttributeName

$ImportChange.AttributeValue = $AttributeValue

$ImportChange.FullyResolved = 1

$ImportChange.Locale = "Invariant"

If($Resource.Changes -eq $null)

{$Resource.Changes = (,$ImportChange)}

Else 

{$Resource.Changes += $ImportChange}

}

#--------------------------------------------------------------------------------------------------------------------

#--------------------------------------------------------------------------------------------------------------------

#--

function SubmitResource

{

   Param($Resource)

   $Resource | Import-FIMConfig -ErrorVariable Err `

                                -ErrorAction SilentlyContinue 

   If($Err){Throw $Err}

}

#--------------------------------------------------------------------------------------------------------------------

#--------------------------------------------------------------------------------------------------------------------

#-- 

Function CreateResource

{

Param($ObjectType, $DisplayName)    

$NewResource = New-Object Microsoft.ResourceManagement.Automation.ObjectModel.ImportObject

$NewResource.ObjectType = $ObjectType

$NewResource.SourceObjectIdentifier = [System.Guid]::NewGuid().ToString()

AddChangeToResource $newResource "DisplayName" $DisplayName "1"

Return $NewResource

}

#-- Loads in the handler for the GAC

[System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=2.0.0.0, Culture=neutral,
 PublicKeyToken=b03f5f7f11d50a3a") | Out-Null    

$publish = New-Object System.EnterpriseServices.Internal.Publish

if (-not (Test-Path $dllpath))

{

throw new Exception "$dllpath
 does not exist"

}

$assembly = [System.Reflection.Assembly]::LoadFile( $dllpath )

$publickey = $assembly.GetName().GetPublicKey()

$aicstring = [System.Reflection.Assembly]::LoadFile( $dllpath ).FullName

$basename = $aicstring.Remove($aicstring.IndexOf(","))

$wfpart = $null

$uipart = $null

$types = $assembly.GetExportedTypes()

foreach ($exportType in $types)

{

if ($exportType.BaseType.Name -eq "ActivitySettingsPart")
{ $uipart = "$exporttype"}

if ($exportType.BaseType.Name -eq "SequenceActivity") { $wfpart = "$exporttype"}

}

if ($publickey.length -eq 0)

{

throw new exception "The
 Assembly $dllpath must be strongly signed"

}

$publish.GacInstall( $dllpath )

$aic = export-fimconfig -onlybaseresources -customconfig "/ActivityInformationConfiguration[DisplayName='$basename']"

if ($aic -eq $null)

{

$new_aic = CreateResource "ActivityInformationConfiguration" $basename

AddChangeToResource $new_aic "ActivityName" $wfpart "0"

AddChangeToResource $new_aic "AssemblyName" $aicstring "0" 

AddChangeToResource $new_aic "TypeName" $uipart "0"

AddChangeToResource $new_aic "IsActionActivity" $true "0"

AddChangeToResource $new_aic "IsAuthorizationActivity" $true "0"

AddChangeToResource $new_aic "IsConfigurationType" $false "0"

AddChangeToResource $new_aic "IsAuthenticationActivity" $false "0"

SubmitResource $new_aic

}

Note
To provide feedback about this script, create a post on the FIM TechNet Forum. For more FIM related Windows PowerShell scripts, see the FIM ScriptBox.