Lua Requires Chilkat v11.0.0+

Azure OAuth2 Client Credentials Grant Flow

See more OAuth2 Examples

Demonstrates how to get an OAuth2 access token for an Azure Registered App using the Client Credentials Grant Flow.

Note: Your Azure app must be registered as a single-tenant app to use client credentials.

Lua

local chilkat = require("chilkat")

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

local http = chilkat.Http.new()

local req = chilkat.HttpRequest.new()
req:add_param("client_secret", "CLIENT_SECRET")
req:add_param("client_id", "CLIENT_ID")

-- See Understanding Scopes in Azure OAuth2 Client Credentials Flow
req:add_param("scope", "https://graph.microsoft.com/.default")

req:add_param("grant_type", "client_credentials")

-- Note: Your Azure app must be registered as a single-tenant app to use client credentials.
-- Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
local url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"

req.http_verb = "POST"
req.content_type = "application/x-www-form-urlencoded"

local resp = chilkat.HttpResponse.new()
local success = http:http_req(url, req, resp)
if not success then
    print(http.last_error_text)
    return
end

local statusCode = resp.status_code
print("Response status code = " .. statusCode)

local json = chilkat.JsonObject.new()
json:load(resp.body_str)

json.emit_compact = false
print(json:emit())

-- Sample successful output:

-- {
--   "token_type": "Bearer",
--   "expires_in": 3599,
--   "ext_expires_in": 3599,
--   "access_token": "eyJ0eX...K0jOERg"
-- }

if statusCode == 200 then
    json:write_file("qa_data/tokens/azureClientCredentialsToken.json")
    print("Success.")
else
    print("Failed.")
end