PowerShell

Download a Binary File into Memory

See more Azure Cloud Storage Examples

Downloads a binary file into memory. PowerShell

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

# Azure File Service Example: Download a Binary File to Memory
# See:  https://docs.microsoft.com/en-us/rest/api/storageservices/get-file

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$rest = New-Object Chilkat.Rest

# Connect to the Azure Storage Blob Service
$bTls = $true
$port = 443
$bAutoReconnect = $true
# In this example, the storage account name is "chilkat".
$success = $rest.Connect("chilkat.file.core.windows.net",$port,$bTls,$bAutoReconnect)
if ($success -eq $false) {
    $($rest.LastErrorText)
    exit
}

# Provide Azure Cloud credentials for the REST calls.
$azAuth = New-Object Chilkat.AuthAzureStorage
$azAuth.AccessKey = "AZURE_ACCESS_KEY"
# The account name used here should match the 1st part of the domain passed in the call to Connect (above).
$azAuth.Account = "chilkat"
$azAuth.Scheme = "SharedKey"
$azAuth.Service = "File"
# This causes the "x-ms-version: 2021-08-06" header to be automatically added.
$azAuth.XMsVersion = "2021-08-06"
$success = $rest.SetAuthAzureStorage($azAuth)

# Note: The application does not need to explicitly set the following
# headers: x-ms-date, Authorization.  These headers
# are automatically set by Chilkat.

# Send a GET request to download the file "penguins.jpg" to a BinData object.
# (The share name is "pip")
$bdFileContents = New-Object Chilkat.BinData
$success = $rest.FullRequestNoBodyBd("GET","/pip/wildlife/antarctic/penguins.jpg",$bdFileContents)
if ($success -eq $false) {
    $($rest.LastErrorText)
    exit
}

# When successful, the response status will be 200.
# If a non-success status code is returned, then the bdFileContents actually contains the XML error message.
if ($rest.ResponseStatusCode -ne 200) {
    # Examine the request/response to see what happened.
    $("response status code = " + $rest.ResponseStatusCode)
    $("response status text = " + $rest.ResponseStatusText)
    $("response header: " + $rest.ResponseHeader)
    $sbXmlErr = New-Object Chilkat.StringBuilder
    $sbXmlErr.AppendBd($bdFileContents,"utf-8",0,0)
    $("response body (if any): " + $sbXmlErr.GetAsString())
    $("---")
    $("LastRequestStartLine: " + $rest.LastRequestStartLine)
    $("LastRequestHeader: " + $rest.LastRequestHeader)
    exit
}

$("Size of the downloaded file = " + $bdFileContents.NumBytes)

# See the online reference documentation for the BinData class for ways
# to access the bytes.

$bdFileContents.WriteFile("qa_output/penguins.jpg")