86b32d8597
- NetworkDriveManager.ps1: S: drive repair utility - winrm-setup-package: Invoke-RemoteTask helper + Setup-WinRM.bat + HTML guide - remote-execution/udc: UDC_Update.ps1 and batch wrappers for updating DNC controllers on shop-floor PCs - Invoke-RemoteMaintenance.ps1: substantial rework (~1650 lines) - Schedule-Maintenance and complete-asset minor updates - Bump edncfix gitlink to v1.6.0 (2748bfa) - .gitignore: block inventory.csv/xlsx (CUI) and logs_*.txt (per-host logs) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
118 lines
4.0 KiB
PowerShell
118 lines
4.0 KiB
PowerShell
param(
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[Parameter(Mandatory=$true)]
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[string]$Url,
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[Parameter(Mandatory=$true)]
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[string]$Destination
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)
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$ErrorActionPreference = 'Stop'
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Write-Host "============================================"
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Write-Host " Resumable File Download"
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Write-Host "============================================"
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Write-Host ""
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Write-Host "Destination: $Destination"
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Write-Host ""
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try {
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# Check for partial file to resume
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$startBytes = 0
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if (Test-Path $Destination) {
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$startBytes = (Get-Item $Destination).Length
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if ($startBytes -gt 0) {
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Write-Host "Partial file found: $([math]::Round($startBytes / 1MB, 1)) MB already downloaded"
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Write-Host "Resuming..."
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Write-Host ""
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}
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}
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# Ensure destination directory exists
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$destDir = Split-Path $Destination -Parent
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if ($destDir -and !(Test-Path $destDir)) {
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New-Item -ItemType Directory -Path $destDir -Force | Out-Null
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}
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# Build headers
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$headers = @{}
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if ($startBytes -gt 0) {
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$headers["Range"] = "bytes=$startBytes-"
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}
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# Use Invoke-WebRequest with domain credentials for SharePoint auth
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$params = @{
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Uri = $Url
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OutFile = $Destination
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UseDefaultCredentials = $true
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UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
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Headers = $headers
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UseBasicParsing = $true
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}
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# If resuming, we need to handle appending manually
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if ($startBytes -gt 0) {
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# Download to a temp file, then append
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$tempFile = "$Destination.partial"
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$params.OutFile = $tempFile
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Write-Host "Downloading..."
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Invoke-WebRequest @params
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# Check if we got actual content
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$tempSize = (Get-Item $tempFile).Length
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if ($tempSize -eq 0) {
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Remove-Item $tempFile -Force
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Write-Host ""
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Write-Host "WARNING: Server returned 0 bytes. The URL may have expired."
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Write-Host "Get a fresh SharePoint link and try again."
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exit 1
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}
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# Append to existing file
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$existingBytes = [System.IO.File]::ReadAllBytes($Destination)
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$newBytes = [System.IO.File]::ReadAllBytes($tempFile)
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$combined = New-Object byte[] ($existingBytes.Length + $newBytes.Length)
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[System.Buffer]::BlockCopy($existingBytes, 0, $combined, 0, $existingBytes.Length)
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[System.Buffer]::BlockCopy($newBytes, 0, $combined, $existingBytes.Length, $newBytes.Length)
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[System.IO.File]::WriteAllBytes($Destination, $combined)
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Remove-Item $tempFile -Force
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$totalMB = [math]::Round(($existingBytes.Length + $newBytes.Length) / 1MB, 1)
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Write-Host ""
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Write-Host "Download complete: $totalMB MB saved to $Destination"
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}
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else {
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Write-Host "Downloading..."
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Invoke-WebRequest @params
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# Verify we got actual content
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$fileSize = (Get-Item $Destination).Length
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if ($fileSize -eq 0) {
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Remove-Item $Destination -Force
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Write-Host ""
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Write-Host "WARNING: Downloaded 0 bytes. Possible causes:"
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Write-Host " - SharePoint URL expired or requires browser login"
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Write-Host " - URL is a redirect/login page, not the actual file"
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Write-Host ""
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Write-Host "Try this: In Edge, start the download, then go to"
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Write-Host "edge://downloads and copy the source URL from there."
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exit 1
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}
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$totalMB = [math]::Round($fileSize / 1MB, 1)
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Write-Host ""
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Write-Host "Download complete: $totalMB MB saved to $Destination"
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}
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} catch {
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Write-Host ""
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Write-Host "Error: $_"
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Write-Host ""
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if (Test-Path $Destination) {
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$partialMB = [math]::Round((Get-Item $Destination).Length / 1MB, 1)
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Write-Host "Partial file kept: $partialMB MB"
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}
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Write-Host "Re-run with the same arguments to resume."
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exit 1
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}
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