Script to download the SharePoint Online DLLs

Over at the SharePoint Community, Balamurugan Kailasam posted that he was able to download the DLLs from SharePoint Online. While it is unclear at the moment why this is possible (maybe required by some tools?), or if this might be deactivated at some point, I decided nevertheless to write a small PowerShell script to download all DLLs that I’m aware of.

The code below create a subfolder with the current time as the name (in case you want to run it regularly and keep the older versions), and then downloads all the files into it. Additionally, it creates a file called info.txt with the version information of all DLLs

[Environment]::CurrentDirectory=(Get-Location -PSProvider FileSystem).ProviderPath
#replace contoso with your own tenant
$spUrl = "https://contoso.sharepoint.com/"

$dllsVTI = @("Microsoft.BusinessData.dll", "Microsoft.Office.Client.Policy.dll", "Microsoft.Office.Client.TranslationServices.dll", 
		"Microsoft.Office.DocumentManagement.dll", "Microsoft.Office.Excel.Server.Udf.dll", "Microsoft.Office.Excel.Server.WebServices.dll", 
		"Microsoft.Office.Policy.dll", "Microsoft.Office.SecureStoreService.Server.Security.dll", "Microsoft.Office.Server.dll", 
		"Microsoft.Office.Server.Search.Applications.dll", "Microsoft.Office.Server.Search.Connector.dll", "Microsoft.Office.Server.Search.dll", 
		"Microsoft.Office.Server.Search.ExchangeAdapter.dll", "Microsoft.Office.Server.UserProfiles.dll", 
		"microsoft.office.sharepoint.clientextensions.dll", "Microsoft.Office.Word.Server.dll", "Microsoft.Office.Workflow.Actions.dll", 
		"microsoft.office.workflow.tasks.dll", "Microsoft.SharePoint.Client.dll", "Microsoft.SharePoint.Client.DocumentManagement.dll", 
		"Microsoft.SharePoint.Client.Publishing.dll", "Microsoft.SharePoint.Client.Runtime.dll", "Microsoft.SharePoint.Client.Search.Applications.dll", 
		"Microsoft.SharePoint.Client.Search.dll", "Microsoft.SharePoint.Client.ServerRuntime.dll", "Microsoft.SharePoint.Client.Taxonomy.dll", 
		"Microsoft.SharePoint.Client.UserProfiles.dll", "Microsoft.SharePoint.Client.WorkflowServices.dll", "Microsoft.SharePoint.dll", 
		"Microsoft.SharePoint.Linq.dll", "Microsoft.SharePoint.Portal.dll", "Microsoft.SharePoint.Publishing.dll", "Microsoft.SharePoint.Search.dll", 
		"Microsoft.SharePoint.Search.Extended.Administration.Common.dll", "Microsoft.SharePoint.Search.Extended.Administration.dll", 
		"Microsoft.SharePoint.Search.Extended.Administration.ResourceStorage.dll", "Microsoft.SharePoint.Security.dll", "Microsoft.SharePoint.Taxonomy.dll", 
		"Microsoft.SharePoint.Taxonomy.Intl.dll", "microsoft.sharepoint.WorkflowActions.dll", "Microsoft.SharePoint.WorkManagement.Client.dll", 
		"Microsoft.Web.CommandUI.dll", "SHTML.dll", "spnativerequestmodule.dll")
		
$dllsAPP= @("Microsoft.Office.Discovery.Soap.dll", "Microsoft.Office.DocumentManagement.Pages.dll", 
 "Microsoft.Office.officialfileSoap.dll", "Microsoft.Office.Policy.Pages.dll", 
 "Microsoft.Office.Server.Search.Applications.ServerProxy.dll", "Microsoft.Office.Server.Search.ServerProxy.dll", 
 "Microsoft.Office.Server.UserProfiles.ServerStub.dll", "Microsoft.Office.Server.WorkManagement.ServerProxy.dll", "Microsoft.Office.SlideLibrarySoap.dll", 
 "Microsoft.Office.TranslationServices.ServerStub.dll", "Microsoft.Office.Workflow.Pages.dll", "Microsoft.Office.WorkflowSoap.dll", 
 "Microsoft.SharePoint.ApplicationPages.dll", "Microsoft.SharePoint.AppMonitoring.ApplicationPages.dll", "Microsoft.SharePoint.OfficeExtension.ApplicationPages.dll", 
 "Microsoft.SharePoint.Portal.Proxy.dll", "Microsoft.SharePoint.Taxonomy.ServerStub.dll", "Microsoft.SharePoint.WorkflowServices.ApplicationPages.dll", 
 "Microsoft.SharePoint.WorkflowServices.ServerProxy.dll", "STSSOAP.DLL")

$folder = new-item -type directory $(get-date -f yyyy-MM-dd_HH_mm_ss) 

function GetDll([string]$dll, [string]$path) {
	$file = $folder.FullName+"\"+$dll
	$wc = (New-Object System.Net.WebClient)
	write-host "Downloading ",$spUrl,$path,$dll
    	$wc.DownloadFile($spUrl + $path + $dll, $file)
	$item = get-item $file
	if($item) {
		add-content "$($folder)\info.txt" "$($item.Name) - $($Item.VersionInfo.ProductVersion)"
	}
}

foreach($dll in $dllsVTI) {
	GetDll $dll "_vti_bin/"
}

foreach($dll in $dllsAPP) {
	GetDll $dll "_app_bin/"
}

 

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Rene Modery

Microsoft Office Servers and Services MVP, working as a Solutions Architect (SharePoint, Office 365) in Singapore