Networking/Resources/Scaffolding/Node/WebRole/bin/download.ps1
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$runtimeUrl = $args[0] $overrideUrl = $args[1] $current = [string] (Get-Location -PSProvider FileSystem) $client = New-Object System.Net.WebClient function downloadWithRetry { param([string]$url, [string]$dest, [int]$retry) Write-Host Write-Host "Attempt: $retry" Write-Host trap { Write-Host $_.Exception.ToString() if ($retry -lt 5) { $retry=$retry+1 Write-Host Write-Host "Waiting 5 seconds and retrying" Write-Host Start-Sleep -s 5 downloadWithRetry $url $dest $retry $client } else { Write-Host "Download failed" throw "Max number of retries downloading [5] exceeded" } } $client.downloadfile($url, $dest) } function download($url, $dest) { Write-Host "Downloading $url" downloadWithRetry $url $dest 1 } function copyOnVerify($file, $output) { Write-Host "Verifying $file" $verify = Get-AuthenticodeSignature $file Out-Host -InputObject $verify if ($verify.Status -ne "Valid") { throw "Invalid signature for runtime package $file" } else { mv $file $output } } if ($overrideUrl) { Write-Host "Using override url: $overrideUrl" $url = $overrideUrl } else { $url = $runtimeUrl } foreach($singleUrl in $url -split ";") { $suffix = Get-Random $downloaddir = $current + "\sandbox" + $suffix mkdir $downloaddir $dest = $downloaddir + "\sandbox.exe" download $singleUrl $dest $final = $downloaddir + "\runtime.exe" copyOnVerify $dest $final if (Test-Path -LiteralPath $final) { cd $downloaddir if ($host.Version.Major -eq 3) { .\runtime.exe -y | Out-Null .\setup.cmd } else { Start-Process -FilePath $final -ArgumentList -y -Wait $cmd = $downloaddir + "\setup.cmd" Start-Process -FilePath $cmd -Wait } } else { throw "Unable to verify package" } cd $current if (Test-Path -LiteralPath $downloaddir) { Remove-Item -LiteralPath $downloaddir -Force -Recurse } } |