From 3d65e6977075c1c677d4ef9cf49955d677309ac3 Mon Sep 17 00:00:00 2001
From: Simon Moser <info@smoser.eu>
Date: Fri, 4 Feb 2022 15:02:32 +0100
Subject: [PATCH] Add small powershell client

---
 Retrieve-DNSFile.ps1 | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Retrieve-DNSFile.ps1

diff --git a/Retrieve-DNSFile.ps1 b/Retrieve-DNSFile.ps1
new file mode 100644
index 0000000..10a1730
--- /dev/null
+++ b/Retrieve-DNSFile.ps1
@@ -0,0 +1,32 @@
+Function Retrieve-DNSTXT {
+    [CmdletBinding()] param(
+        [string] $Domain
+    )
+    return (Resolve-DnsName -Type TXT $Domain | select Strings | Format-Table -HideTableHeaders | Out-String -Width 1000).Replace("{", "").Replace("}", "").Trim()
+}
+
+Function Retrieve-DNSFile {
+    [CmdletBinding()] param(
+        [string] $Filename,
+        [string] $DNSName,
+        [switch] $Execute,
+        [switch] $Write,
+        [string] $OutPath
+    )
+    $count = [int](Retrieve-DNSTXT -Domain "$Filename.count.$DNSName")
+    $file_base64 = ""
+    For ($i=0; $i -le $count; $i++) {
+        $file_base64 += (Retrieve-DNSTXT -Domain "$Filename.$i.$DNSName")
+    }
+    "Base64 $file_base64"
+    $file_string = [Text.Encoding]::Utf8.GetString([Convert]::FromBase64String($file_base64))
+    "String $file_string"
+    If ($Execute.IsPresent) {
+        $file_string | IEX
+    } Else {
+        $file_string | Out-String
+    }
+    If ($Write.IsPresent) {
+        $file_string | Out-File -FilePath ($OutPath, $Filename)[!$OutPath]
+    }
+}