(PowerShell) Google Cloud Storage List Bucket Objects

See more Google Cloud Storage Examples

List the objects in a Google Cloud Storage bucket.

For more information, see https://cloud.google.com/storage/docs/json_api/v1/objects/list

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

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

# This example uses a previously obtained access token having permission for the 
# scope "https://www.googleapis.com/auth/cloud-platform"

# In this example, Get Google Cloud Storage OAuth2 Access Token, 
# the service account access token was saved to a text file.  This example fetches the access token from the file..
$sbToken = New-Object Chilkat.StringBuilder
$sbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8")

$http = New-Object Chilkat.Http
$http.AuthToken = $sbToken.GetAsString()

# For more info see Cloud Storage Documentation - Objects: list 
# 
$success = $http.SetUrlVar("bucket","chilkat-ocean")
$success = $http.SetUrlVar("PROJECT_NAME","ChilkatCloud")

$resp = $http.QuickGetObj("https://www.googleapis.com/storage/v1/b/{$bucket}/o?project={$ChilkatCloud}")
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

$responseCode = $resp.StatusCode
if ($responseCode -eq 401) {
    $($resp.BodyStr)
    $("If invalid credentials, then it is likely the access token expired.")
    $("Your app should automatically fetch a new access token and re-try.")

    exit
}

$("Response code: " + $responseCode)
$("Response body")

$json = New-Object Chilkat.JsonObject
$success = $json.Load($resp.BodyStr)

$json.EmitCompact = $false

$($json.Emit())

# A response code = 200 indicates success, and the response body contains JSON such as this:

# {
#   "kind": "storage#objects",
#   "items": [
#     {
#       "kind": "storage#object",
#       "id": "chilkat-ocean/file with space char.jpg/1555776690752366",
#       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg",
#       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg?generation=1555776690752366&alt=media",
#       "name": "file with space char.jpg",
#       "bucket": "chilkat-ocean",
#       "generation": "1555776690752366",
#       "metageneration": "1",
#       "contentType": "image/jpeg",
#       "storageClass": "MULTI_REGIONAL",
#       "size": "6229",
#       "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
#       "crc32c": "9RjgwQ==",
#       "etag": "CO6WguiH3+ECEAE=",
#       "timeCreated": "2019-04-20T16:11:30.752Z",
#       "updated": "2019-04-20T16:11:30.752Z",
#       "timeStorageClassUpdated": "2019-04-20T16:11:30.752Z"
#     },
#     {
#       "kind": "storage#object",
# 
#       "id": "chilkat-ocean/penguins.jpg/1555775749593296",
#       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/penguins.jpg",
#       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/penguins.jpg?generation=1555775749593296&alt=media",
#       "name": "penguins.jpg",
#       "bucket": "chilkat-ocean",
#       "generation": "1555775749593296",
#       "metageneration": "1",
#       "contentType": "image/jpeg",
#       "storageClass": "MULTI_REGIONAL",
#       "size": "777835",
#       "md5Hash": "nTd7EM53jEk4s8fixjoimg==",
#       "crc32c": "ixxYVw==",
#       "etag": "CNCxnqeE3+ECEAE=",
#       "timeCreated": "2019-04-20T15:55:49.593Z",
#       "updated": "2019-04-20T15:55:49.593Z",
#       "timeStorageClassUpdated": "2019-04-20T15:55:49.593Z"
#     },
#     {
#       "kind": "storage#object",
#       "id": "chilkat-ocean/starfish.jpg/1628958192639968",
#       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/starfish.jpg",
#       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/starfish.jpg?generation=1628958192639968&alt=media",
#       "name": "starfish.jpg",
#       "bucket": "chilkat-ocean",
#       "generation": "1628958192639968",
#       "metageneration": "1",
#       "contentType": "image/jpeg",
#       "storageClass": "MULTI_REGIONAL",
#       "size": "6229",
#       "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
#       "crc32c": "9RjgwQ==",
#       "etag": "COC/tJP2sPICEAE=",
#       "timeCreated": "2021-08-14T16:23:12.660Z",
#       "updated": "2021-08-14T16:23:12.660Z",
#       "timeStorageClassUpdated": "2021-08-14T16:23:12.660Z"
#     }
#   ]
# }

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

$kind = $json.StringOf("kind")
$i = 0
$count_i = $json.SizeOfArray("items")
while ($i -lt $count_i) {
    $json.I = $i
    $kind = $json.StringOf("items[i].kind")
    $id = $json.StringOf("items[i].id")
    $selfLink = $json.StringOf("items[i].selfLink")
    $mediaLink = $json.StringOf("items[i].mediaLink")
    $name = $json.StringOf("items[i].name")
    $bucket = $json.StringOf("items[i].bucket")
    $generation = $json.StringOf("items[i].generation")
    $metageneration = $json.StringOf("items[i].metageneration")
    $contentType = $json.StringOf("items[i].contentType")
    $storageClass = $json.StringOf("items[i].storageClass")
    $size = $json.StringOf("items[i].size")
    $md5Hash = $json.StringOf("items[i].md5Hash")
    $crc32c = $json.StringOf("items[i].crc32c")
    $etag = $json.StringOf("items[i].etag")
    $timeCreated = $json.StringOf("items[i].timeCreated")
    $updated = $json.StringOf("items[i].updated")
    $timeStorageClassUpdated = $json.StringOf("items[i].timeStorageClassUpdated")
    $i = $i + 1
}