(PowerShell) Upload File from String

Uploads a text file where the contents of the file are contained in a string variable.

See Google Drive Files: create for more details.

Also See Google Drive Multipart Upload for more details.

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)

# A multipart upload to Google Drive needs a multipart/related Content-Type
$rest.AddHeader("Content-Type","multipart/related")

# Specify each part of the request.

# The 1st part is JSON with information about the file.
$rest.PartSelector = "1"
$rest.AddHeader("Content-Type","application/json; charset=UTF-8")

$json = New-Object Chilkat.JsonObject
$json.AppendString("name","helloWorld.txt")
$json.AppendString("description","A simple text file that says Hello World.")
$json.AppendString("mimeType","text/plain")
$rest.SetMultipartBodyString($json.Emit())

# The 2nd part is the file content.
# In this case, we'll upload a simple text file containing "Hello World!"
$rest.PartSelector = "2"
$rest.AddHeader("Content-Type","text/plain")

$fileContents = "Hello World!"
$rest.SetMultipartBodyString($fileContents)

$jsonResponse = $rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
if ($rest.LastMethodSuccess -ne $true) {
    $($rest.LastErrorText)
    exit
}

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

# Show the JSON response.
$json.Load($jsonResponse)

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

# A successful response looks like this:
# {
#   "kind": "drive#file",
#   "id": "0B53Q6OSTWYoldmJ0Z3ZqT2x5MFk",
#   "name": "Untitled",
#   "mimeType": "text/plain"
# }

# Get the fileId:
$("fileId: " + $json.StringOf("id"))