Misc/Download-File.ps1
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<#
.Synopsis Download File .Description Download a file to local computer .Parameter sourceUrl Url from which the file will get downloaded .Parameter destinationFile Destinatin for the downloaded file .Parameter dontOverwrite Specify dontOverwrite if you want top skip downloading if the file already exists .Parameter timeout Timeout in seconds for the download .Example Download-File -sourceUrl "https://myurl/file.zip" -destinationFile "c:\temp\file.zip" -dontOverwrite #> function Download-File { Param ( [Parameter(Mandatory=$true)] [string] $sourceUrl, [Parameter(Mandatory=$true)] [string] $destinationFile, [switch] $dontOverwrite, [int] $timeout = 100 ) $telemetryScope = InitTelemetryScope -name $MyInvocation.InvocationName -parameterValues $PSBoundParameters -includeParameters @() try { $replaceUrls = @{ "https://go.microsoft.com/fwlink/?LinkID=844461" = "https://bcartifacts.azureedge.net/prerequisites/DotNetCore.1.0.4_1.1.1-WindowsHosting.exe" "https://download.microsoft.com/download/C/9/E/C9E8180D-4E51-40A6-A9BF-776990D8BCA9/rewrite_amd64.msi" = "https://bcartifacts.azureedge.net/prerequisites/rewrite_2.0_rtw_x64.msi" "https://download.microsoft.com/download/5/5/3/553C731E-9333-40FB-ADE3-E02DC9643B31/OpenXMLSDKV25.msi" = "https://bcartifacts.azureedge.net/prerequisites/OpenXMLSDKv25.msi" "https://download.microsoft.com/download/A/1/2/A129F694-233C-4C7C-860F-F73139CF2E01/ENU/x86/ReportViewer.msi" = "https://bcartifacts.azureedge.net/prerequisites/ReportViewer.msi" "https://download.microsoft.com/download/1/3/0/13089488-91FC-4E22-AD68-5BE58BD5C014/ENU/x86/SQLSysClrTypes.msi" = "https://bcartifacts.azureedge.net/prerequisites/SQLSysClrTypes.msi" "https://download.microsoft.com/download/3/A/6/3A632674-A016-4E31-A675-94BE390EA739/ENU/x64/sqlncli.msi" = "https://bcartifacts.azureedge.net/prerequisites/sqlncli.msi" "https://download.microsoft.com/download/2/E/6/2E61CFA4-993B-4DD4-91DA-3737CD5CD6E3/vcredist_x86.exe" = "https://bcartifacts.azureedge.net/prerequisites/vcredist_x86.exe" } if ($replaceUrls.ContainsKey($sourceUrl)) { $sourceUrl = $replaceUrls[$sourceUrl] } # If DropBox URL with dl=0 - replace with dl=1 (direct download = common mistake) if ($sourceUrl.StartsWith("https://www.dropbox.com/","InvariantCultureIgnoreCase") -and $sourceUrl.EndsWith("?dl=0","InvariantCultureIgnoreCase")) { $sourceUrl = "$($sourceUrl.Substring(0, $sourceUrl.Length-1))1" } if (Test-Path $destinationFile -PathType Leaf) { if ($dontOverwrite) { return } Remove-Item -Path $destinationFile -Force } $path = [System.IO.Path]::GetDirectoryName($destinationFile) if (!(Test-Path $path -PathType Container)) { New-Item -Path $path -ItemType Directory -Force | Out-Null } [Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12 Write-Host "Downloading $destinationFile" if ($sourceUrl -like "https://*.sharepoint.com/*download=1*") { Invoke-WebRequest -UseBasicParsing -Uri $sourceUrl -OutFile $destinationFile } else { $webClient = New-Object TimeoutWebClient -ArgumentList (1000*$timeout) $webClient.Headers.Add([System.Net.HttpRequestHeader]::UserAgent, "BcContainerHelper $bcContainerHelperVersion") try { $webClient.DownloadFile($sourceUrl, $destinationFile) } catch { try { $waittime = 2 + (Get-Random -Maximum 5 -Minimum 0) if ($sourceUrl -like "https://bcartifacts.azureedge.net/*" -or $sourceUrl -like "https://bcinsider.azureedge.net/*" -or $sourceUrl -like "https://bcprivate.azureedge.net/*" -or $sourceUrl -like "https://bcpublicpreview.azureedge.net/*") { $idx = $sourceUrl.IndexOf('.azureedge.net/',[System.StringComparison]::InvariantCultureIgnoreCase) $newSourceUrl = $sourceUrl.Substring(0,$idx) + '.blob.core.windows.net' + $sourceUrl.Substring($idx + 14) Write-Host "Could not download from $($sourceUrl.SubString(0,$idx + 14))/..., retrying from $($newSourceUrl.SubString(0,$idx + 22))/ in $waittime seconds..." } else { Write-Host "Error downloading..., retrying in $waittime seconds..." $newSourceUrl = $sourceUrl } Start-Sleep -Seconds $waittime $webClient.DownloadFile($newSourceUrl, $destinationFile) } catch { throw (GetExtendedErrorMessage $_) } } } } catch { TrackException -telemetryScope $telemetryScope -errorRecord $_ throw } finally { TrackTrace -telemetryScope $telemetryScope } } Export-ModuleMember -Function Download-File |