Ruby Requires Chilkat v10.1.2+

Vonage UC Extend OAuth2

See more OAuth2 Examples

Get an OAuth2 access token for a desktop application for Vonage. Ruby

require 'chilkat'

success = false

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

oauth2 = Chilkat::CkOAuth2.new()

#  This should be the port in the localhost callback URL for your app.  
#  The callback URL would look like "http://localhost:3800/" if the port number is 3017.
oauth2.put_ListenPort(3800)

oauth2.put_AuthorizationEndpoint("https://api.vonage.com/authorize")
oauth2.put_TokenEndpoint("https://api.vonage.com/token")

#  Replace these with actual values.
oauth2.put_ClientId("CLIENT_ID")
oauth2.put_ClientSecret("CLIENT_SECRET")
oauth2.put_CodeChallenge(false)

oauth2.put_Scope("openid")

#  Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
url = oauth2.startAuth()
if (oauth2.get_LastMethodSuccess() != true)
    print oauth2.lastErrorText() + "\n";
    exit
end

print "url = " + url + "\n";

#  Launch the default browser on the system and navigate to the url.
#  The LaunchBrowser method was added in Chilkat v10.1.2.
success = oauth2.LaunchBrowser(url)
if (success == false)
    print oauth2.lastErrorText() + "\n";
    exit
end

#  Wait for the user to approve or deny authorization in the browser.
numMsWaited = 0
while (numMsWaited < 90000) and (oauth2.get_AuthFlowState() < 3)
    oauth2.SleepMs(100)
    numMsWaited = numMsWaited + 100
end

#  If the browser does not respond within the specified time, AuthFlowState will be:
#  
#  1: Waiting for Redirect - The OAuth2 background thread is waiting for the browser's redirect request.
#  2: Waiting for Final Response - The thread is awaiting the final access token response.
#  In either case, cancel the background task initiated by StartAuth.

if (oauth2.get_AuthFlowState() < 3)
    oauth2.Cancel()
    print "No response from the browser!" + "\n";
    exit
end

#  Check AuthFlowState to determine if authorization was granted, denied, or failed:
#  
#  3: Success - OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
#  4: Access Denied - OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
#  5: Failure - OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

if (oauth2.get_AuthFlowState() == 5)
    print "OAuth2 failed to complete." + "\n";
    print oauth2.failureInfo() + "\n";
    exit
end

if (oauth2.get_AuthFlowState() == 4)
    print "OAuth2 authorization was denied." + "\n";
    print oauth2.accessTokenResponse() + "\n";
    exit
end

if (oauth2.get_AuthFlowState() != 3)
    print "Unexpected AuthFlowState:" + oauth2.get_AuthFlowState().to_s() + "\n";
    exit
end

print "OAuth2 authorization granted!" + "\n";
print "Access Token = " + oauth2.accessToken() + "\n";

#  Get the full JSON response:
json = Chilkat::CkJsonObject.new()
json.Load(oauth2.accessTokenResponse())
json.put_EmitCompact(false)
print json.emit() + "\n";

#  The JSON response looks like this:

#  {
#    "access_token": "XXXXXXXX-XXX-XXXX-XXXX-XXXXXXXXXXXX",
#    "refresh_token": "XXXXXXXX-XXX-XXXX-XXXX-XXXXXXXXXXXX",
#    "scope": "openid",
#    "id_token": "eyJ4NXQiOiJNem ... hA9tbDCiQRhdI4T0",
#    "token_type": "Bearer",
#    "expires_in": 3600
#  }

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