(PowerShell) List Files in Google Drive

Demonstrates how to list files in Google Drive.

See Google Drive Files list for more optional HTTP parameters.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

$success = $true

# It 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 
# Google Drive scope.

$gAuth = New-Object Chilkat.AuthGoogle
$gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

$rest = New-Object Chilkat.Rest

# Connect using TLS.
$bAutoReconnect = $true
$success = $rest.Connect("www.googleapis.com",443,$true,$bAutoReconnect)

# Provide the authentication credentials (i.e. the access token)
$rest.SetAuthGoogle($gAuth)

# Get 4 results per page.  (The default page size is 100, with a max of 1000.
$rest.AddQueryParam("pageSize","4")

# This uses the Google Drive V3 API... (not V2)
$jsonResponse = $rest.FullRequestNoBody("GET","/drive/v3/files")
if ($rest.LastMethodSuccess -ne $true) {
    $($rest.LastErrorText)
    exit
}

# A successful response will have a status code equal to 200.
if ($rest.ResponseStatusCode -ne 200) {
    $("request header = " + $rest.LastRequestHeader)
    $("response status code = " + $rest.ResponseStatusCode)
    $("response status text = " + $rest.ResponseStatusText)
    $("response header: " + $rest.ResponseHeader)
    $("response JSON: " + $jsonResponse)
    exit
}

# A successful response looks like this:
# {
#  "kind": "drive#fileList",
#  "files": [
#    {
#      "kind": "drive#file",
#      "id": "0B53Q6OSTWYolenpjTEU4ekJlQUU",
#      "name": "test",
#      "mimeType": "application/vnd.google-apps.folder"
#    },
#    {
#      "kind": "drive#file",
#      "id": "0B53Q6OSTWYolRm4ycjZtdXhRaEE",
#      "name": "starfish4.jpg",
#      "mimeType": "image/jpeg"
#    },
#    {
#      "kind": "drive#file",
#      "id": "0B53Q6OSTWYolMWt2VzN0Qlo1UjA",
#      "name": "hamlet2.xml",
#      "mimeType": "text/xml"
#    },
# ...
#    {
#      "kind": "drive#file",
#      "id": "0B53Q6OSTWYolc3RhcnRlcl9maWxlX2Rhc2hlclYw",
#      "name": "Getting started",
#      "mimeType": "application/pdf"
#    }
#  ]
# }

# Iterate over each file in the response and show the name, id, and mimeType.
$json = New-Object Chilkat.JsonObject
$json.Load($jsonResponse)

# Show the full JSON response.
$json.EmitCompact = $false
$($json.Emit())

$numFiles = $json.SizeOfArray("files")
$i = 0
while ($i -lt $numFiles) {
    $json.I = $i
    $("name: " + $json.StringOf("files[i].name"))
    $("id: " + $json.StringOf("files[i].id"))
    $("mimeType: " + $json.StringOf("files[i].mimeType"))
    $("-")
    $i = $i + 1
}