(Ruby) Group: Refresh OAuth2 Access Token

Refreshes an expired or non-expired OAuth2 access token for the Microsoft Group REST API.

Note: This example requires Chilkat v11.0.0 or greater.

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

require 'chilkat'

success = false

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

json = Chilkat::CkJsonObject.new()
success = json.LoadFile("qa_data/tokens/msGraphGroup.json")
if (success != true)
    exit
end

req = Chilkat::CkHttpRequest.new()
req.AddParam("grant_type","refresh_token")
req.AddParam("redirect_uri","http://localhost:3017/")
req.AddParam("client_id","MICROSOFT-GRAPH-CLIENT-ID")
req.AddParam("client_secret","MICROSOFT-GRAPH-CLIENT-SECRET")
req.AddParam("refresh_token",json.stringOf("refresh_token"))
req.AddParam("scope","openid profile offline_access user.readwrite group.readwrite.all files.readwrite")

http = Chilkat::CkHttp.new()

req.put_HttpVerb("POST")
req.put_ContentType("application/x-www-form-urlencoded")

resp = Chilkat::CkHttpResponse.new()
success = http.HttpReq("https://login.microsoftonline.com/common/oauth2/v2.0/token",req,resp)
if (success == false)
    print http.lastErrorText() + "\n";
    exit
end

# Load the JSON response.
json.Load(resp.bodyStr())
json.put_EmitCompact(false)

# Show the JSON response.
print json.emit() + "\n";

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

# If the response status code is not 200, then it's an error.
if (resp.get_StatusCode() != 200)
    exit
end

# Save the refreshed access token JSON to a file for future requests.
fac = Chilkat::CkFileAccess.new()
fac.WriteEntireTextFile("qa_data/tokens/msGraphGroup.json",json.emit(),"utf-8",false)

print "Success." + "\n";