Lua

List Files in Google Drive

See more Google Drive Examples

Demonstrates how to list files in Google Drive.

See Google Drive Files list for more optional HTTP parameters.

Lua

local chilkat = require("chilkat")

local 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.

local gAuth = chilkat.AuthGoogle.new()
gAuth.access_token = "GOOGLE-DRIVE-ACCESS-TOKEN"

local rest = chilkat.Rest.new()

-- Connect using TLS.
local bAutoReconnect = true
success = rest:connect("www.googleapis.com", 443, true, bAutoReconnect)

-- Provide the authentication credentials (i.e. the access token)
rest:set_auth_google(gAuth)

-- Get 4 results per page.  (The default page size is 100, with a max of 1000.
rest:add_query_param("pageSize", "4")

-- This uses the Google Drive V3 API... (not V2)
local jsonResponse = rest:full_request_no_body("GET", "/drive/v3/files")
if not rest.last_method_success then
    print(rest.last_error_text)
    return
end

-- A successful response will have a status code equal to 200.
if rest.response_status_code ~= 200 then
    print("request header = " .. rest.last_request_header)
    print("response status code = " .. rest.response_status_code)
    print("response status text = " .. rest.response_status_text)
    print("response header: " .. rest.response_header)
    print("response JSON: " .. jsonResponse)
    return
end

-- 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.
local json = chilkat.JsonObject.new()
json:load(jsonResponse)

-- Show the full JSON response.
json.emit_compact = false
print(json:emit())

local numFiles = json:size_of_array("files")
local i = 0
while i < numFiles do
    json.i = i
    print("name: " .. json:string_of("files[i].name"))
    print("id: " .. json:string_of("files[i].id"))
    print("mimeType: " .. json:string_of("files[i].mimeType"))
    print("-")
    i = i + 1
end