Lua Requires Chilkat v9.5.0.97+

OneDrive -- Download Text File to Memory

See more OneDrive Examples

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object. Lua

local chilkat = require("chilkat")

-- This example requires the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.

-- This example uses the OAuth client credentials flow.
-- See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

-- Use your client ID, client secret, and tenant ID in the following lines
local json = chilkat.JsonObject.new()
json:update_string("client_id", "2871da2c-8176-4b7f-869b-2311aa82e743")
json:update_string("client_secret", "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
json:update_string("scope", "https://graph.microsoft.com/.default")
json:update_string("token_endpoint", "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

local http = chilkat.Http.new()
http.auth_token = json:emit()

-- Sends the following GET request:
-- GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content

-- Make sure to automatically follow redirects
http.follow_redirects = true

-- This example will download /Misc/hamlet.xml
http:set_url_var("item_path", "Misc/hamlet.xml")
http:set_url_var("user_id", "4fe732c3-322e-4a6b-b729-2fd1eb5c6104")

local sbXml = chilkat.StringBuilder.new()
local expectedCharset = "utf-8"
local url = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
local success = http:download_sb(url, expectedCharset, sbXml)
if not http.last_method_success then
    print(http.last_error_text)
    return
end

-- If the response status code was not 200, then it failed.
if http.last_status ~= 200 then
    print("Response Status Code = " .. http.last_status)
    print("Failed.")
    return
end

-- If we got here, then the file was successfully downloaded.
print("Download from OneDrive successful.")
print("The file is contained in sbXml.")