msauth

Introduction

Very simple package to authorize applications against Microsoft identity platform.

It utilizes v2.0 endpoint so that it can authorize users using both personal (Microsoft) and organizational (Azure AD) account.

Usage

Device authorization grant

• OAuth 2.0 device authorization grant flow

const (
	tenantID     = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
	clientID     = "YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY"
	tokenCachePath  = "token_cache.json"
)

var scopes = []string{"openid", "profile", "offline_access", "User.Read", "Files.Read"}

	ctx := context.Background()
	m := msauth.NewManager()
	m.LoadFile(tokenCachePath)
	ts, err := m.DeviceAuthorizationGrant(ctx, tenantID, clientID, scopes, nil)
	if err != nil {
		log.Fatal(err)
	}
	m.SaveFile(tokenCachePath)

	httpClient := oauth2.NewClient(ctx, ts)
	...

Client credentials grant

• OAuth 2.0 client credentials grant flow

const (
	tenantID     = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
	clientID     = "YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY"
	clientSecret = "ZZZZZZZZZZZZZZZZZZZZZZZZ"
)

var scopes = []string{msauth.DefaultMSGraphScope}

	ctx := context.Background()
	m := msauth.NewManager()
	ts, err := m.ClientCredentialsGrant(ctx, tenantID, clientID, clientSecret, scopes)
	if err != nil {
		log.Fatal(err)
	}

	httpClient := oauth2.NewClient(ctx, ts)
    ...

Resource owner password credentials grant

• OAuth 2.0 resource owner passowrd credentials grant flow

const (
	tenantID     = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
	clientID     = "YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY"
	clientSecret = "ZZZZZZZZZZZZZZZZZZZZZZZZ"
	username     = "[email protected]"
	password     = "secure-password"
)

var scopes = []string{msauth.DefaultMSGraphScope}

	ctx := context.Background()
	m := msauth.NewManager()
	ts, err := m.ResourceOwnerPasswordGrant(ctx, tenantID, clientID, clientSecret, username, password, scopes)
	if err != nil {
		log.Fatal(err)
	}

	httpClient := oauth2.NewClient(ctx, ts)
    ...

Authorization code grant

• OAuth 2.0 authorization code grant flow
• Not yet implemented.