changes to geoip location for ipv6

Modules/CIPPCore/Public/Get-CIPPGeoIPLocation.ps1

@@ -1,20 +1,34 @@
 function Get-CIPPGeoIPLocation {
     [CmdletBinding()]
     param (
-        $IP
+        [string]$IP
     )
-    if ($IP -like '*:*') { $IP = $IP.split(':')[0] }
-    $CTX = new-azdatatablecontext -TableName geoipdb -ConnectionString 'TableEndpoint=https://cyberdraingeoipdb.table.core.windows.net/;SharedAccessSignature=sv=2022-11-02&ss=t&srt=o&sp=rl&se=2025-08-08T21:05:23Z&st=2023-08-08T13:05:23Z&spr=https&sig=89Bmk2Un89xqNzZPLkryFnLRCjHs9rCWGUJjhvf5mso%3D'
-    $GeoTable = @{ Context = $CTX }
 
-    $IPAsint = 0
-    $IP.Split(".") | ForEach-Object {
-        $IPAddressByte = 0
-        [int]::TryParse($_, [ref] $IPAddressByte) | Out-Null
-        $IPAsint = ([long]($IPAsint -shl 8)) -bor [byte]$_
+    if ($IP -match '^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$') {
+        $IP = $IP -replace ':\d+$', '' # Remove the port number if present
     }
 
-    $location = (Get-AzDataTableEntity @GeoTable -Filter "PartitionKey eq 'GeoIP' and RowKey le '$IPAsint' and ipTo ge '$IPAsint'") | Select-Object -Last 1
+    $partitionKey = "GeoIP"
+    $IPAsint = [System.Numerics.BigInteger]::Zero
+    $ipAddress = [System.Net.IPAddress]::Parse($IP)
+    if ($ipAddress.AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetworkV6) {
+        $partitionKey = "GeoIPv6"
+        $bytes = $ipAddress.GetAddressBytes()
+        for ($i = 0; $i -lt $bytes.Length; $i++) {
+            $IPAsint = $IPAsint -shl 8 -bor $bytes[$i]
+        }
+    }
+    else {
+        $IP.Split(".") | ForEach-Object {
+            $IPAddressByte = 0
+            [int]::TryParse($_, [ref] $IPAddressByte) | Out-Null
+            $IPAsint = ([long]($IPAsint -shl 8)) -bor [byte]$_
+        }
+    }
+
+    $CTX = New-AzDataTableContext -TableName geoipdb -ConnectionString 'TableEndpoint=https://cyberdraingeoipdb.table.core.windows.net/;SharedAccessSignature=sv=2022-11-02&ss=t&srt=o&sp=rl&se=2025-08-08T21:05:23Z&st=2023-08-08T13:05:23Z&spr=https&sig=89Bmk2Un89xqNzZPLkryFnLRCjHs9rCWGUJjhvf5mso%3D'
+    $GeoTable = @{ Context = $CTX }
+    $location = (Get-AzDataTableEntity @GeoTable -Filter "PartitionKey eq '$partitionKey' and RowKey le '$IPAsint' and ipTo ge '$IPAsint'") | Select-Object -Last 1
 
     return $location
 }