(Ruby) Dynamics CRM Oauth2 Client Credentials

Get an OAuth2 access token for Dynamics CRM using client credentials.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

http = Chilkat::CkHttp.new()

# Pass the client ID/secret using Basic HTTP authentication.
http.put_Login("CLIENT_ID")
http.put_Password("CLIENT_SECRET")
http.put_BasicAuth(true)

req = Chilkat::CkHttpRequest.new()
req.AddParam("client_secret","CLIENT_SECRET")
req.AddParam("client_id","CLIENT_ID")
req.AddParam("scope","https://yourdynamicsdomain.crm3.dynamics.com/.default")
req.AddParam("grant_type","client_credentials")

# Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"
# resp is a CkHttpResponse
resp = http.PostUrlEncoded(url,req)
if (http.get_LastMethodSuccess() != true)
    print http.lastErrorText() + "\n";
    exit
end

statusCode = resp.get_StatusCode()
print "Response status code = " + statusCode.to_s() + "\n";

json = Chilkat::CkJsonObject.new()
json.Load(resp.bodyStr())

json.put_EmitCompact(false)
print json.emit() + "\n";

if (statusCode == 200)
    json.WriteFile("qa_data/tokens/dynamicsCrmClientCredentialsToken.json")
    print "Success." + "\n";
else
    print "Failed." + "\n";
end