track frontend version

write warnings when client version is out of date

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/New-CippCoreRequest.ps1

@@ -15,6 +15,21 @@ function New-CippCoreRequest {
     $FunctionName = 'Invoke-{0}' -f $Request.Params.CIPPEndpoint
     Write-Information "API Endpoint: $($Request.Params.CIPPEndpoint) | Frontend Version: $($Request.Headers.'X-CIPP-Version' ?? 'Not specified')"
 
+    if ($Request.Headers.'X-CIPP-Version') {
+        $Table = Get-CippTable -tablename 'Version'
+        $FrontendVer = Get-CIPPAzDataTableEntity @Table -Filter "PartitionKey eq 'Version' and RowKey eq 'frontend'"
+
+        if (!$FrontendVer -or ([semver]$FrontendVer.Version -lt [semver]$Request.Headers.'X-CIPP-Version')) {
+            Add-CIPPAzDataTableEntity @Table -Entity ([pscustomobject]@{
+                    PartitionKey = 'Version'
+                    RowKey       = 'frontend'
+                    Version      = $Request.Headers.'X-CIPP-Version'
+                }) -Force
+        } elseif ([semver]$FrontendVer.Version -gt [semver]$Request.Headers.'X-CIPP-Version') {
+            Write-Warning "Client version $($Request.Headers.'X-CIPP-Version') is older than the current frontend version $($FrontendVer.Version)"
+        }
+    }
+
     $HttpTrigger = @{
         Request         = [pscustomobject]($Request)
         TriggerMetadata = $TriggerMetadata

Modules/CIPPCore/Public/Get-CIPPTimerFunctions.ps1

@@ -10,7 +10,7 @@ function Get-CIPPTimerFunctions {
 
     # Check running nodes
     $VersionTable = Get-CIPPTable -tablename 'Version'
-    $Nodes = Get-CIPPAzDataTableEntity @VersionTable -Filter "PartitionKey eq 'Version' and RowKey ne 'Version'"
+    $Nodes = Get-CIPPAzDataTableEntity @VersionTable -Filter "PartitionKey eq 'Version' and RowKey ne 'Version' and RowKey ne 'frontend'"
 
     $FunctionName = $env:WEBSITE_SITE_NAME
     $MainFunctionVersion = ($Nodes | Where-Object { $_.RowKey -eq $FunctionName }).Version