flashair to google drive with apiv3

upload_to_gdrive.lua

local cjson = require "cjson"

-- Basic account info
local client_id = ""
local client_secret = ""
local refresh_token = ""

local boundary = "--61141483716826"

local function getAuth()
  local mes="client_id="..client_id
  mes=mes.."&client_secret="..client_secret
  mes=mes.."&refresh_token="..refresh_token
  mes=mes.."&grant_type=refresh_token"

  local length = string.len(mes)
  print("Sending: ["..mes.."]\n")
  b, c, h = fa.request{
    url = "https://accounts.google.com/o/oauth2/token",
    headers = {
        ["Content-Type"] = "application/x-www-form-urlencoded",
        ["Content-Length"] = length,
    },
    method = "POST",
    body=mes,
  }

  print("sended, header:"..h.."\n")

  local tempTable = {}

  tempTable = cjson.decode(b)

  local access_token = tempTable["access_token"]

  print("access_token:"..access_token.."\n")

  return (access_token)
end

local function uploadTest(token, filePath)

  local mes = "--"..boundary.."\r\n"
  mes=mes.."Content-Type: application/json; charset=UTF-8\r\n"
  mes=mes.."\r\n"
  mes=mes.."{\r\n"
  mes=mes.."  \"name\": \"".."testfile_uploaded.jpg".."\"\r\n"
  mes=mes.."}\r\n"
  mes=mes.."\r\n"
  mes=mes.."--"..boundary.."\r\n"
  mes=mes.."Content-Type: image/jpeg\r\n"
  mes=mes.."\r\n"
  mes=mes.."<!--WLANSDFILE-->\r\n"
  mes=mes.."--"..boundary.."--\r\n"

  print("sending:"..filePath.."\n")

  b, c, h = fa.request{
    url = "https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart",
    headers = {
      ["Content-Type"] = "multipart/related; boundary="..boundary,
      ["Content-Length"] = tostring(lfs.attributes(filePath,"size") + string.len(mes) - 17),
      ["Authorization"] = "Bearer "..token,
    },
    method = "POST",
    file = filePath,
    body = mes
  }

  print("sended, header:"..h.."\n")
  print("sended, body:"..b.."\n")
  print("sended:"..filePath.."\n")

end

access_token = getAuth()
collectgarbage()
uploadTest(access_token, "/lua/testfile.jpg")
collectgarbage()