(PowerShell) Wasabi List Bucket Objects

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Demonstrates how to download and parse XML for the list of objects in a bucket.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$http = New-Object Chilkat.Http

# Insert your access key here:
$http.AwsAccessKey = "access-key"

# Insert your secret key here:
$http.AwsSecretKey = "secret-key"

# Use the endpoint matching the bucket's region.
$http.AwsEndpoint = "s3.us-west-1.wasabisys.com"

$bucketName = "chilkattest"

$strXml = $http.S3_ListBucketObjects($bucketName)
if ($http.LastMethodSuccess -ne $true) {
    $($http.LastErrorText)
    exit
}

$("Response status code = " + $http.LastStatus)

$xml = New-Object Chilkat.Xml
$success = $xml.LoadXml($strXml)
if ($success -ne $true) {
    $($xml.LastErrorText)
    exit
}

# If the response status code was not 200, then the XML response is not a 
# listing of objects, but instead contains error information.
if ($http.LastStatus -ne 200) {
    $($xml.GetXml())
    $("Failed.")
    exit
}

# A sample response is shown below.
$($xml.GetXml())
$("----")

# Use this online tool to generate parsing code from sample XML: 
# Generate Parsing Code from XML

# <?xml version="1.0" encoding="UTF-8"?>
# <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
#     <Name>chilkattest</Name>
#     <Prefix/>
#     <Marker/>
#     <MaxKeys>1000</MaxKeys>
#     <IsTruncated>false</IsTruncated>
#     <Contents>
#         <Key>orchard.json</Key>
#         <LastModified>2021-10-27T22:58:49.000Z</LastModified>
#         <ETag>&quot;303fb46cf341094fef6274b7789cd6aa&quot;</ETag>
#         <Size>22</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
#     <Contents>
#         <Key>seahorse.jpg</Key>
#         <LastModified>2021-10-27T22:35:29.000Z</LastModified>
#         <ETag>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</ETag>
#         <Size>24388</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
#     <Contents>
#         <Key>seahorse2.jpg</Key>
#         <LastModified>2021-10-27T22:03:51.000Z</LastModified>
#         <ETag>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</ETag>
#         <Size>24388</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
# </ListBucketResult>

$ListBucketResult_xmlns = $xml.GetAttrValue("xmlns")
$Name = $xml.GetChildContent("Name")
$MaxKeys = $xml.GetChildIntValue("MaxKeys")
$IsTruncated = $xml.GetChildContent("IsTruncated")
$i = 0
$count_i = $xml.NumChildrenHavingTag("Contents")
while ($i -lt $count_i) {
    $xml.I = $i
    $Key = $xml.GetChildContent("Contents[i]|Key")
    $LastModified = $xml.GetChildContent("Contents[i]|LastModified")
    $ETag = $xml.GetChildContent("Contents[i]|ETag")
    $SizeDecimalStr = $xml.GetChildContent("Contents[i]|Size")
    $ID = $xml.GetChildContent("Contents[i]|Owner|ID")
    $DisplayName = $xml.GetChildContent("Contents[i]|Owner|DisplayName")
    $StorageClass = $xml.GetChildContent("Contents[i]|StorageClass")
    $([string]$i + ": " + $Key)
    $i = $i + 1
}