MIMExchPSMA-Import

Import.ps1

param (
    $Username,
	$Password,
	$OperationType,
	[bool] $usepagedimport,
	$pagesize
    )


#Needs reference to .NET assembly used in the script.
Add-Type -AssemblyName System.DirectoryServices.Protocols

$CookieFile = "C:\PROGRA~1\MICROS~4\2010\SYNCHR~1\EXTENS~2\Exchange\Exchange\ExchCookie.bin"

#Getting Cookie from file
If (Test-Path $CookieFile –PathType leaf) { 
    [byte[]] $Cookie = Get-Content -Encoding byte –Path $CookieFile
} else { 
    $Cookie = $null
}

#region User
$Properties = @("objectGuid","sAMAccountName","msExchMailboxGuid","userPrincipalName","mail","isDeleted")

#Running as FIM MA Account as passed from the MA
$Credentials = New-Object System.Net.NetworkCredential($username,$password)
$RootDSE = [ADSI]"LDAP://RootDSE"
$LDAPDirectory = New-Object System.DirectoryServices.Protocols.LdapDirectoryIdentifier($RootDSE.dnsHostName)
$LDAPConnection = New-Object System.DirectoryServices.Protocols.LDAPConnection($LDAPDirectory, $Credentials) 
$Request = New-Object System.DirectoryServices.Protocols.SearchRequest($RootDSE.defaultNamingContext, "(&(objectClass=user)(sAMAccountName=U*))", "Subtree", $Properties) 

#Defining the object type returned from searches for performance reasons.
[System.DirectoryServices.Protocols.SearchResultEntry]$entry = $null

if ($OperationType -eq "Full")
{
    $Cookie = $null
}
else
{
    # delta run and we should use the cookie we already found
}


$DirSyncRC = New-Object System.DirectoryServices.Protocols.DirSyncRequestControl($Cookie, [System.DirectoryServices.Protocols.DirectorySynchronizationOptions]::IncrementalValues, [System.Int32]::MaxValue) 
$Request.Controls.Add($DirSyncRC) | Out-Null
    
$MoreData = $true
$Guids = @()

while ($MoreData) {
    $Response = $LDAPConnection.SendRequest($Request)

    ForEach($entry in $Response.Entries){
    #Check if this GUID already been handled to avoid adding duplicate objects
    If($Guids -contains ([GUID] $entry.Attributes["objectguid"][0]).ToString()){continue}

    # we always add objectGuid and objectClass to all objects
    $obj = @{}
    $obj.Add("objectGuid", ([GUID] $entry.Attributes["objectguid"][0]).ToString())
    $obj.Add("objectClass", "user")
    if ( $entry.distinguishedName.Contains("CN=Deleted Objects"))
	    {
		    # this is a deleted object, so we return a changeType of 'delete'; default changeType is 'Add'
		    $obj.Add("changeType", "Delete")
	    }
	else
	    {
		    # we need to get the directory entry to get the additional attributes 
		    $DirEntry = New-Object System.DirectoryServices.DirectoryEntry "LDAP://$($entry.distinguishedName)"
      
		    # importing attribute values if they exist
            $obj.Add("accountName",$DirEntry.Properties["sAMAccountName"][0])
            if ($DirEntry.Properties["userPrincipalName"][0]){$obj.Add("upn",$DirEntry.Properties["userPrincipalName"][0])}
            if ($DirEntry.Properties["msExchMailboxGuid"][0]){$obj.Add("msExchMailboxGuid",$DirEntry.Properties["msExchMailboxGuid"][0])} 
            if ($DirEntry.Properties["mail"][0]){$obj.Add("mail",$DirEntry.Properties["mail"][0])}
            if ($DirEntry.Properties["msExchHomeServerName"][0]){$obj.Add("msExchHomeServerName",$DirEntry.Properties["msExchHomeServerName"][0])}
            if ($DirEntry.Properties["homeMDB"][0]){$obj.Add("homeMDB",$DirEntry.Properties["homeMDB"][0])}
            if ($DirEntry.Properties["mailNickname"][0]){$obj.Add("mailNickname",$DirEntry.Properties["mailNickname"][0])}
            }
            #Add Guid to list of processed guids to avoid duplication
            $Guids += ,([GUID] $entry.Attributes["objectguid"][0]).ToString()
            #Return the object to the MA
	        $obj
      }
  
    ForEach ($Control in $Response.Controls) 
    { 
        If ($Control.GetType().Name -eq "DirSyncResponseControl") 
            { 
                $Cookie = $Control.Cookie 
                $MoreData = $Control.MoreData 
            } 
        } 
    $DirSyncRC.Cookie = $Cookie 
    }

#Saving cookie file
Set-Content -Value $Cookie -Encoding byte –Path $CookieFile
$global:RunStepCustomData = [System.Convert]::ToBase64String($Cookie)
#endregion