Add ability to buy licenses too

Modules/CIPPCore/Public/Entrypoints/Invoke-ExecCSPLicense.ps1

@@ -0,0 +1,46 @@
+using namespace System.Net
+
+Function Invoke-ExecCSPLicense {
+    <#
+    .FUNCTIONALITY
+        Entrypoint
+    .ROLE
+        Tenant.Directory.Read
+    #>
+    [CmdletBinding()]
+    param($Request, $TriggerMetadata)
+
+    $APIName = $TriggerMetadata.FunctionName
+    Write-LogMessage -user $request.headers.'x-ms-client-principal' -API $APINAME -message 'Accessed this API' -Sev 'Debug'
+
+
+    # Write to the Azure Functions log stream.
+    Write-Host 'PowerShell HTTP trigger function processed a request.'
+
+    # Interact with query parameters or the body of the request.
+    $TenantFilter = $Request.body.TenantFilter
+    $Action = $Request.body.Action
+
+    try {
+        if ($Action -eq 'Add') {
+            $GraphRequest = Set-SherwebSubscription -tenantFilter $TenantFilter -SKU $Request.body.sku -add $Request.body.Add
+        }
+
+        if ($Action -eq 'Remove') {
+            $GraphRequest = Set-SherwebSubscription -tenantFilter $TenantFilter -SKU $Request.body.sku -remove $Request.body.Remove
+        }
+
+        if ($Action -eq 'NewSub') {
+            $GraphRequest = Set-SherwebSubscription -tenantFilter $TenantFilter -SKU $Request.body.sku -Quantity $Request.body.Quantity
+        }
+        $Message = 'License change executed successfully.'
+    } catch {
+        $Message = "Failed to execute license change. Error: $_"
+    }
+    #If #GraphRequest is a GUID, the subscription was edited succesfully, and return that its done.
+    Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
+            StatusCode = [HttpStatusCode]::OK
+            Body       = $Message
+        }) -Clobber
+
+}

Modules/CippExtensions/Public/Sherweb/Set-SherwebSubscription.ps1

@@ -16,7 +16,7 @@ function Set-SherwebSubscription {
         }
     }
     $AuthHeader = Get-SherwebAuthentication
-    $ExistingSubscription = Get-CurrentSherwebSubscription -ClientId $ClientId -ClientSecret $ClientSecret -SubscriptionKey $SubscriptionKey -CustomerId $CustomerId -SKU $SKU
+    $ExistingSubscription = Get-SherwebCurrentSubscription -CustomerId $CustomerId -SKU $SKU
 
     if (-not $ExistingSubscription) {
         if ($Add -or $Remove) {