Private/Add-FileToAzureStorage.ps1
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function Add-FileToAzureStorage { <# .SYNOPSIS This function uploads a file to an Azure Storage Blob using a Sas Uri .DESCRIPTION This function uploads a file to an Azure Storage Blob using a Sas Uri .EXAMPLE Add-FileToAzureStorage -SasUri $file.azureStorageUri -FilePath IntunePackage.intunewin -FileUri $fileUri .INPUTS None. No objects can be piped into this function .OUTPUTS None. This function returns nothing .NOTES NAME: Add-FileToAzureStorage #> [CmdletBinding()] param ( # The Azure Storage Blob Sas Uri [Parameter(Mandatory = $true)] [string] $SasUri, # The path to the file to upload [Parameter(Mandatory = $true)] [string] $FilePath, # The intune file Uri [Parameter(Mandatory = $true)] [string] $FileUri, # The size of the chunks to send to the Azure Storage Blob [Parameter(Mandatory = $false)] [int] $AzureStorageUploadChunkSizeInMb = 6l ) try { $chunkSizeInBytes = 1024l * 1024l * $AzureStorageUploadChunkSizeInMb # Start the timer for SAS URI renewal. $sasRenewalTimer = [System.Diagnostics.Stopwatch]::StartNew() # Find the file size and open the file. $fileSize = (Get-Item $FilePath).length $chunks = [Math]::Ceiling($fileSize / $chunkSizeInBytes) $reader = New-Object System.IO.BinaryReader([System.IO.File]::Open($FilePath, [System.IO.FileMode]::Open)) $null = $reader.BaseStream.Seek(0, [System.IO.SeekOrigin]::Begin) # Upload each chunk. Check whether a SAS URI renewal is required after each chunk is uploaded and renew if needed. $ids = @() for ($chunk = 0; $chunk -lt $chunks; $chunk++) { $currentChunk = $chunk + 1 $id = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($currentChunk.ToString("block-00000000"))) $ids += $id $start = $chunk * $chunkSizeInBytes $length = [Math]::Min($chunkSizeInBytes, $fileSize - $start) $bytes = $reader.ReadBytes($length) Write-Progress -Activity "Uploading File to Azure Storage" -Status "Uploading chunk $currentChunk of $chunks" ` -PercentComplete ($currentChunk / $chunks * 100) $null = Add-AzureStorageChunk $SasUri $id $bytes # Renew the SAS URI if 7 minutes have elapsed since the upload started or was renewed last. if ($currentChunk -lt $chunks -and $sasRenewalTimer.ElapsedMilliseconds -ge 450000) { $null = Invoke-AzureStorageUploadRenew $FileUri $sasRenewalTimer.Restart() } } Write-Progress -Completed -Activity "Uploading File to Azure Storage" $reader.Close() } finally { if ($null -ne $reader) { $reader.Dispose() } } # Finalize the upload. $null = Complete-AzureStorageUpload $SasUri $ids } |