added token retrievel and upload

Upload-A4ToDrive.ps1

@@ -0,0 +1,54 @@
+# Token laden
+$token = Get-Content ".\token.json" | ConvertFrom-Json
+$accessToken = $token.access_token
+
+$folder = "C:\Temp\git\PS-SetEtikettSorte"
+
+# 👉 HIER deine Google Drive Folder ID eintragen
+$DriveFolderId = "1kEmjnVL414XYLRfN597K7YKuiFs-FRBv"
+
+$files = Get-ChildItem $folder -Filter "*A4*.jpg"
+
+foreach ($file in $files) {
+
+    Write-Host "Upload: $($file.Name)"
+
+    $boundary = [System.Guid]::NewGuid().ToString()
+    $LF = "`r`n"
+
+    # 🔥 HIER angepasst
+    $metadata = @{
+        name = $file.Name
+        parents = @($DriveFolderId)
+    } | ConvertTo-Json
+
+    $fileBytes = [System.IO.File]::ReadAllBytes($file.FullName)
+
+    $body = (
+        "--$boundary$LF" +
+        "Content-Type: application/json; charset=UTF-8$LF$LF" +
+        "$metadata$LF" +
+        "--$boundary$LF" +
+        "Content-Type: image/jpeg$LF$LF"
+    )
+
+    $bodyBytes = [System.Text.Encoding]::UTF8.GetBytes($body)
+
+    $footer = "$LF--$boundary--$LF"
+    $footerBytes = [System.Text.Encoding]::UTF8.GetBytes($footer)
+
+    $finalBody = New-Object System.IO.MemoryStream
+    $finalBody.Write($bodyBytes, 0, $bodyBytes.Length)
+    $finalBody.Write($fileBytes, 0, $fileBytes.Length)
+    $finalBody.Write($footerBytes, 0, $footerBytes.Length)
+    $finalBody.Position = 0
+
+    Invoke-RestMethod `
+        -Uri "https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart" `
+        -Method Post `
+        -Headers @{ Authorization = "Bearer $accessToken" } `
+        -ContentType "multipart/related; boundary=$boundary" `
+        -Body $finalBody
+
+    Write-Host "Fertig: $($file.Name)"
+}