Finding a Contact with a Body flag using EWS and eDiscovery (eg added from Microsoft Lync)

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## Get the Mailbox to Access from the 1st commandline argument

$MailboxName = $args[0]

$KQL = "Kind:contacts And `"added from Microsoft Lync`"";
$SearchableMailboxString = $MailboxName;

## Load Managed API dll  
###CHECK FOR EWS MANAGED API, IF PRESENT IMPORT THE HIGHEST VERSION EWS DLL, ELSE EXIT
$EWSDLL = (($(Get-ItemProperty -ErrorAction SilentlyContinue -Path Registry::$(Get-ChildItem -ErrorAction SilentlyContinue -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Web Services'|Sort-Object Name -Descending| Select-Object -First 1 -ExpandProperty Name)).'Install Directory') + "Microsoft.Exchange.WebServices.dll")
if (Test-Path$EWSDLL)
    {
Import-Module$EWSDLL
    }
else
    {
"$(get-date -format yyyyMMddHHmmss):"
"This script requires the EWS Managed API 1.2 or later."
"Please download and install the current version of the EWS Managed API from"
"http://go.microsoft.com/fwlink/?LinkId=255472"
""
"Exiting Script."
    exit
    } 

## Set Exchange Version  
$ExchangeVersion = [Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2013_SP1  

## Create Exchange Service Object  
$service = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService($ExchangeVersion)  

## Set Credentials to use two options are availible Option1 to use explict credentials or Option 2 use the Default (logged On) credentials  

#Credentials Option 1 using UPN for the windows Account  
$psCred = Get-Credential
$creds = New-Object System.Net.NetworkCredential($psCred.UserName.ToString(),$psCred.GetNetworkCredential().password.ToString())  
$service.Credentials = $creds
#$service.TraceEnabled = $true
#Credentials Option 2  
#service.UseDefaultCredentials = $true  

## Choose to ignore any SSL Warning issues caused by Self Signed Certificates  

## Code From http://poshcode.org/624
## Create a compilation environment
$Provider=New-Object Microsoft.CSharp.CSharpCodeProvider
$Compiler=$Provider.CreateCompiler()
$Params=New-Object System.CodeDom.Compiler.CompilerParameters
$Params.GenerateExecutable=$False
$Params.GenerateInMemory=$True
$Params.IncludeDebugInformation=$False
$Params.ReferencedAssemblies.Add("System.DLL") | Out-Null

$TASource=@'
  namespace Local.ToolkitExtensions.Net.CertificatePolicy{
    public class TrustAll : System.Net.ICertificatePolicy {
      public TrustAll() { 
      }
      public bool CheckValidationResult(System.Net.ServicePoint sp,
        System.Security.Cryptography.X509Certificates.X509Certificate cert, 
        System.Net.WebRequest req, int problem) {
        return true;
      }
    }
  }
'@
$TAResults=$Provider.CompileAssemblyFromSource($Params,$TASource)
$TAAssembly=$TAResults.CompiledAssembly

## We now create an instance of the TrustAll and attach it to the ServicePointManager
$TrustAll=$TAAssembly.CreateInstance("Local.ToolkitExtensions.Net.CertificatePolicy.TrustAll")
[System.Net.ServicePointManager]::CertificatePolicy=$TrustAll

## end code from http://poshcode.org/624

## Set the URL of the CAS (Client Access Server) to use two options are availbe to use Autodiscover to find the CAS URL or Hardcode the CAS to use  

#CAS URL Option 1 Autodiscover  
$service.AutodiscoverUrl($MailboxName,{$true})  
"Using CAS Server : " + $Service.url   

#CAS URL Option 2 Hardcoded  

#$uri=[system.URI] "https://casservername/ews/exchange.asmx"
#$service.Url = $uri    

## Optional section for Exchange Impersonation  

#$service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress, $MailboxName) 
function ConvertToString($ipInputString){  
$Val1Text = ""
for ($clInt=0;$clInt-lt$ipInputString.length;$clInt++){  
$Val1Text = $Val1Text + [Convert]::ToString([Convert]::ToChar([Convert]::ToInt32($ipInputString.Substring($clInt,2),16)))  
$clInt++  
    }  
return$Val1Text
} 


function GetFolderPaths{
param (
$rootFolderId = "$( throw 'rootFolderId is a mandatory Parameter' )",
$Archive = "$( throw 'Archive is a mandatory Parameter' )"
    )
process{
#Define Extended properties  
$PR_FOLDER_TYPE = new-object Microsoft.Exchange.WebServices.Data.ExtendedPropertyDefinition(13825,[Microsoft.Exchange.WebServices.Data.MapiPropertyType]::Integer);
$folderidcnt = $rootFolderId
#Define the FolderView used for Export should not be any larger then 1000 folders due to throttling  
$fvFolderView =  New-Object Microsoft.Exchange.WebServices.Data.FolderView(1000)  
#Deep Transval will ensure all folders in the search path are returned  
$fvFolderView.Traversal = [Microsoft.Exchange.WebServices.Data.FolderTraversal]::Deep;
$psPropertySet = new-object Microsoft.Exchange.WebServices.Data.PropertySet([Microsoft.Exchange.WebServices.Data.BasePropertySet]::FirstClassProperties)  
$PR_Folder_Path = new-object Microsoft.Exchange.WebServices.Data.ExtendedPropertyDefinition(26293, [Microsoft.Exchange.WebServices.Data.MapiPropertyType]::String);
#Add Properties to the  Property Set  
$psPropertySet.Add($PR_Folder_Path);
$fvFolderView.PropertySet = $psPropertySet;
#The Search filter will exclude any Search Folders  
$sfSearchFilter = new-object Microsoft.Exchange.WebServices.Data.SearchFilter+IsEqualTo($PR_FOLDER_TYPE,"1")  
$fiResult = $null
#The Do loop will handle any paging that is required if there are more the 1000 folders in a mailbox  
do {  
$fiResult = $Service.FindFolders($folderidcnt,$sfSearchFilter,$fvFolderView)  
foreach($ffFolderin$fiResult.Folders){  
$foldpathval = $null
#Try to get the FolderPath Value and then covert it to a usable String   
if ($ffFolder.TryGetProperty($PR_Folder_Path,[ref]$foldpathval))  
         {  
$binarry = [Text.Encoding]::UTF8.GetBytes($foldpathval)  
$hexArr = $binarry | ForEach-Object { $_.ToString("X2") }  
$hexString = $hexArr -join ''
$hexString = $hexString.Replace("FEFF", "5C00")  
$fpath = ConvertToString($hexString)  
         }  
"FolderPath : " + $fpath
if($Archive){
$Script:FolderCache.Add($ffFolder.Id.UniqueId,"\Archive-Mailbox\" + $fpath);
   }
else{
$Script:FolderCache.Add($ffFolder.Id.UniqueId,$fpath);
   }
     } 
$fvFolderView.Offset += $fiResult.Folders.Count
 }while($fiResult.MoreAvailable -eq$true)  
 }
}

$Script:FolderCache = New-Object system.collections.hashtable
GetFolderPaths -rootFolderId (new-object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::MsgFolderRoot,$MailboxName)) -Archive $false
#GetFolderPaths -rootFolderId (new-object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::ArchiveMsgFolderRoot,$MailboxName)) -Archive $true 

$gsMBResponse = $service.GetSearchableMailboxes($SearchableMailboxString, $false);
$msbScope = New-Object  Microsoft.Exchange.WebServices.Data.MailboxSearchScope[] $gsMBResponse.SearchableMailboxes.Length
$mbCount = 0;
foreach ($sbMailboxin$gsMBResponse.SearchableMailboxes)
{
$msbScope[$mbCount] = New-Object Microsoft.Exchange.WebServices.Data.MailboxSearchScope($sbMailbox.ReferenceId, [Microsoft.Exchange.WebServices.Data.MailboxSearchLocation]::All);
$mbCount++;
}
$smSearchMailbox = New-Object Microsoft.Exchange.WebServices.Data.SearchMailboxesParameters
$mbq =  New-Object Microsoft.Exchange.WebServices.Data.MailboxQuery($KQL, $msbScope);
$mbqa = New-Object Microsoft.Exchange.WebServices.Data.MailboxQuery[] 1
$mbqa[0] = $mbq
$smSearchMailbox.SearchQueries = $mbqa;
$smSearchMailbox.PageSize = 100;
$smSearchMailbox.PageDirection = [Microsoft.Exchange.WebServices.Data.SearchPageDirection]::Next;
$smSearchMailbox.PerformDeduplication = $false;
$smSearchMailbox.ResultType = [Microsoft.Exchange.WebServices.Data.SearchResultType]::PreviewOnly;
$srCol = $service.SearchMailboxes($smSearchMailbox);
$rptCollection = @()

if ($srCol[0].Result -eq[Microsoft.Exchange.WebServices.Data.ServiceResult]::Success)
{
Write-Host ("Items Found " + $srCol[0].SearchResult.ItemCount)
if ($srCol[0].SearchResult.ItemCount -gt 0)
    {                  
do
        {
$smSearchMailbox.PageItemReference = $srCol[0].SearchResult.PreviewItems[$srCol[0].SearchResult.PreviewItems.Length - 1].SortValue;
$type = ("System.Collections.Generic.List"+'`'+"1") -as"Type"
$type = $type.MakeGenericType("Microsoft.Exchange.WebServices.Data.ItemId"-as"Type")
$BatchItemids = [Activator]::CreateInstance($type)
$psPropset= new-object Microsoft.Exchange.WebServices.Data.PropertySet([Microsoft.Exchange.WebServices.Data.BasePropertySet]::FirstClassProperties)  
foreach ($PvItemin$srCol[0].SearchResult.PreviewItems) {
$BatchItemids.Add($PvItem.Id)
            }
$psPropset= new-object Microsoft.Exchange.WebServices.Data.PropertySet([Microsoft.Exchange.WebServices.Data.BasePropertySet]::FirstClassProperties)  
$Results = $service.BindToItems($BatchItemids,$psPropset)
foreach($Resultin$Results){
if($Result.Item.Body.Text -ne$null){
if($Result.Item.Body.Text.Contains("This contact was added from Microsoft Lync")){
$rptObj = "" | select FolderPath,Subject,ImAddress1,ImAddress2,ImAddress3
$rptObj.ImAddress1 = $Result.Item.ImAddresses[[Microsoft.Exchange.WebServices.Data.ImAddressKey]::ImAddress1]
$rptObj.ImAddress2 = $Result.Item.ImAddresses[[Microsoft.Exchange.WebServices.Data.ImAddressKey]::ImAddress2]
$rptObj.ImAddress3 = $Result.Item.ImAddresses[[Microsoft.Exchange.WebServices.Data.ImAddressKey]::ImAddress3]
$rptObj.Subject = $Result.Item.Subject
if($Script:FolderCache.ContainsKey($Result.Item.ParentFolderId.UniqueId)){
$rptObj.FolderPath = $Script:FolderCache[$Result.Item.ParentFolderId.UniqueId]
      }
$rptCollection += $rptObj
     }
    }
   }

$srCol = $service.SearchMailboxes($smSearchMailbox);
Write-Host("Items Remaining : " + $srCol[0].SearchResult.ItemCount);
        } while ($srCol[0].SearchResult.ItemCount-gt 0 );

    }

}
$rptCollection
$rptCollection | Export-Csv -NoTypeInformation -Path c:\temp\AddedByLync.csv