(Lianja) Google Drive Multipart Upload String

Demonstrates a file upload to Google Drive where the contents of the file are contained in a string variable.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This example will upload a file to Google Drive.
llSuccess = .T.

// It requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loGAuth = createobject("CkAuthGoogle")
loGAuth.Scope = "https://www.googleapis.com/auth/drive"
loGAuth.SubEmailAddress = "some.user@example.com"
loGAuth.ExpireNumSeconds = 3600

// Obtain an access token as shown in one of the following examples:
// See Get Access Token using a Service Account JSON Key
// See Get Access Token using a P12 File

loRest = createobject("CkRest")

// Connect using TLS.
llBAutoReconnect = .T.
llSuccess = loRest.Connect("www.googleapis.com",443,.T.,llBAutoReconnect)

// Provide the authentication credentials (i.e. the access key)
llSuccess = loRest.SetAuthGoogle(loGAuth)

// A multipart upload to Google Drive needs a multipart/related Content-Type
llSuccess = loRest.AddHeader("Content-Type","multipart/related")

// Specify each part of the request.

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

loJson = createobject("CkJsonObject")
llSuccess = loJson.AddStringAt(-1,"title","helloWorld.txt")
llSuccess = loJson.AddStringAt(-1,"description","A simple text file that says Hello World.")
llSuccess = loJson.AddStringAt(-1,"mimeType","text/plain")
llSuccess = loRest.SetMultipartBodyString(loJson.Emit())

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

// POST https://www.googleapis.com/upload/drive/v2/files
lcJsonResponse = loRest.FullRequestMultipart("POST","/upload/drive/v2/files?uploadType=multipart")
if (loRest.LastMethodSuccess <> .T.) then
    ? loRest.LastErrorText
    release loGAuth
    release loRest
    release loJson
    return
endif

// Show the JSON response.
? "Response Status Code: " + str(loRest.ResponseStatusCode)
? "Json Response: " + lcJsonResponse


release loGAuth
release loRest
release loJson