Single Sign-On (SSO) for Apps Using Google Apps as IDP

Single Sign-On (SSO) for Apps Using Google Apps as IDP

Google Apps as IDP (Identity Provider) solution by miniOrange helps you to SSO login to your applications/websites using Google Credentials. Google Apps Single Sign-On solution can be implemented by configuring Google Apps as SAML IDP in miniOrange, where miniOrange will act as SP. Here we will go through a step-by-step guide to configure SSO login between website/application and Google Apps by considering Google Apps as IdP (Identity provider) and miniOrange as SP(Service provider).

miniOrange also acts as an identity broker for cross protocol authentication. It basically means configuring a Service Provider following a particular protocol with an Identity Provider following some different protocol like SAML,OAuth etc. Once configured successfully you will be ready to securely access your website/application using Google Apps as IDP.

Step 1: Configure Google Apps as Identity Provider (IDP) in miniOrange

  • Go to miniOrange Admin Console.
  • From the left navigation bar select Identity Provider.
  • Google Apps Single Sign On (SSO)
  • Select SAML. Click on Import IDP metadata.
  • Salesforce Saml App
  • Enter IDP name and and browse for the file downloaded in step 1. Click on Import.
  • If you don't have metadata file, you can also provide the details manually. You need to configure following endpoints:
  • IDP Entity ID Entity ID of IDP
    Single Login URL Login Url from IDP
    Single Logout URL Logout Url from IDP
    X.509 Certificate The public key certificate of your IDP.
  • Few other optional features that can be added to the Identity Provider(IDP) are listed in the table below:
  • Domain Mapping Can be used to redirect specific domain user to specific IDP
    Show IdP to Users Enable this if you want to show this IDP to all users during Login
    Send Configured Attributes Enabling this would allow you to add attributes to be sent from IDP
  • Click on Save.

Step 2: Configuring miniOrange as Service Provider (SP) in Google Apps

  • Go to and login with your G Suite administrator account.
  • Navigate to the Apps tab in the left menu and click on Web and mobile apps.
  • Google Apps Single Sign On (SSO)
    miniorange img Add a SAML App
    • Click on the Add App button, then in the dropdown select Add Custom SAML app tab to create a new saml app.
    • Google Apps Single Sign On (SSO)
    • Enter details for your custom SAML app and click on Continue button.
    • Google Apps Single Sign On (SSO)
    miniorange img IDP Information
    • Click on Download Metadata button. This will be used for configuring your Service Provider.
    • You can also copy G Suite details like SSO URL, entity ID and Certificate to configure the Service Provider manually and then click on Continue button.
    • Configure Google Apps as IDP - SAML Single Sign-On(SSO) for WordPress - Google Apps SSO Login, SAML custom app Basic Information
    miniorange img Service Provider Details
    • Enter details from the Service Provider Metadata tab in the SAML SP plugin.
    • Go to miniOrange Dashboard in the left navigation menu. Click on Try miniOrange as SP.
    • For SP -INITIATED SSO section Select Show Metadata Details
    • .
      Google Apps Single Sign On (SSO)-Try-miniOrange-as-SP Google Apps Single Sign On (SSO)-SPintiatedMetadata
    • Enter the values in basic SAML configuration as shown and Click Next.
    • Entity ID Entity ID or Issuer
      ACS URL (Assertion Consumer Service URL) ACS URL
      NameId Format Unspecified

    • Click on Continue button.
    • Google Apps Single Sign On (SSO)
    miniorange img Attribute Mapping
    • Click on Add Mapping button.
    • Google Apps Single Sign On (SSO)
    • Add and select user fields in Google Directory, then map them to Service Provider attributes and Click on Finish button.
    •  Google Apps Single Sign On (SSO)
    miniorange img User Access to Configured App
    • Select ON for everyone to activate SSO.
    • Google Apps Single Sign On (SSO)

    Step 3: Test Google Apps IDP Connection

    • Go to Identity Providers tab.
    • Click on Select>>Test Connection option against the Identity Provider you configured.
    • Gsuite-IDP-TestConnection
      Google Apps Single Sign On (SSO)-login
    • On entering valid Google Apps credentials you will see a pop-up window which as shown in below screen.
    • SucessTestConn-Google-IDP
    • Hence your configuration of Google Apps as IDP in miniOrange is sucesssfully completed.

    4. Configure your Application in miniOrange


    If you have already configured your application in miniOrange you can skip the following steps.

    • Click on Create App under SAML.
    • Click on Create SAML App
    • Search for your Application. In case you do not find your app, search for Custom SAML App.
    • Search for your SAML App Configure SAML Application
    • Get the ACS URL and SP Entity ID from your application.
    • Enter the following values OR click on Import SP Metadata:
    • Service Provider Name Choose appropriate name according to your choice
      SP Entity ID or Issuer Your Application Entity ID
      ACS URL X.509 Certificate (optional) Your Application Assertion Consumer Service URL
      NameID Format  Select urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
      Response Signed Unchecked
      Assertion Signed Checked
      Encrypted Assertion Unchecked
      Group policy Default
      Login Method
    • Click on Save to configure your application.
    • Now to get the IDP metadata of the app configured, Go to apps >> your_app >> select >> metadata tab.
    • Go to the metadata section
    • Click on the Show Metadata details in the Information required to Authenticate via External IDPs section. Download the metadata XML file by clicking on Download Metadata button or copy the Metadata URL link.
    • Downlaod metadata - URL
    • You need to Upload this metadata in your application.
    • Click on Create App under OAuth/OIDC. Click on Open ID Connect App .
    •  Add OAuth openIDConnect app
    • You can add any OAuth Client app here to enable miniOrange as OAuth Server. Few popular OAuth client apps for single sign-on are Salesforce, WordPress, Joomla, Atlassian, etc.
    • Select your OAuth openIDConnect app Configure OAth AddopenIDConnect app
    • Enter following Values:
    • Client Name Add appropriate Name
      Redirect URL Get the Redirect-URL from your OAuth Client
      Descrption Add if required
      Group Name Default
      Policy Name
      Login Method
    • Click on Save
    • Now to provide the required data to OAuth client go to the app configured i.e apps >> your_app >> select >> edit.
    • Edit OAuth editOpenidConnect app OAuth openidConnect app endpoints

      Note: Choose the Authorization Endpoint according to the identity source you configure.

    • When you want to use you want to use miniOrange as OAuth identity server use this endpoint: https://{}/moas/idp/openidsso
    • If you are configuring any Identity Provider in Identity Providers Menu and not using miniOrange as IDP use this endpoint: https://{}/broker/login/oauth{customerid}
    • Click on Create App under JWT.
    • Click n External JWT app
    • Select JWT App.
    • SelectJWT app
    • Configure the name for your application and configure Redirect-URL which tells where to send JWT response. Redirect-URL should be an endpoint on your application where you want to achieve SSO.
    • Configure JWT App

      In case you are setting up SSO with Mobile Applications where you can't create an endpoint for Redirect or Callback URL, use below URL.

    • Click Save
    • To get the SSO link for your application, Go to Apps >> your_app >> select >> Edit.
    • Get SSO Link
    • Then, copy the Single Sign On Url and verify SSO setup by browsing that url.
    •  SSO URL
    • On successful authentication, you will be redirected to configured Redirect or Callback URL with JWT token
    • You will need to download a certificate from App > Manage Apps, and click Certificate link against your configured application. This certificate will be used for signature validation of JWT response.
    • Download certificate to proceed with SSO

    5. Setup Multiple IDPs (Optional)

      You have a choice to set multiple IDPS for Single Application, i.e integrate multiple IDP and users can select IDP accordingly from which they want to authenticate themselves. There are three different ways to authenticate users using IDP.

    • Login using IDP selection page: It gives users an option to Select IDP from the dropdown list during login time.
    • Domain Mapping: Here we map the email domains to a particular IDP. So when the user enters the Email address with a specific domain he would be redirected to the respective IDP.
    • App Identity Provider Mapping: This feature gives users an option to select one specific IDP for their application before login.
    • Note : At once you can select either of them.

    • You can configure multiple IDPs (Identity Providers) and give users the option to select the IDP of their choice to authenticate with.
      For Example - It could be multiple AD domains belonging to different departments or multiple okta organizations.
    • Few usecases where customers configure multiple IDPs -

    • Suppose you have a product which many of your clients use and each client has their own unique IDP so you want them to SSO into your product as well using their existing IDP only. miniOrange provides a centralized way to connect with all IDPs in a very easy manner and integrate SSO into your application.
    • Suppose you are providing a course to many universities, each having a unique SAML, OAuth protocol supported IDP's like Shibboleth, ADFS, CAS, etc. You can provide Single Sign-On (SSO) into your course application to all these universities by integrating with all of them using a single platform provided by miniOrange.
    • This is the endpoint to call from your SAML application -
      For Cloud IDP -<customer_id>
      For On-Premise IDP -<customer_id>
    • You should copy the Customer Key from admin console-> Settings -> and replace it with <customer_id> here. Once configured in SP, when you initiate the login from Service Provider, a user will be redirected to IDP Selection Page listing all IDPs configured for that account.
    • You can see the screenshot below of the IDP Selection Page with a list of IDPs .

      Note: To view the IDP in drop-down list, go to Identity Providers tab > against your configured IDP > Select >Edit , here Enable the Show IdP to Users option.

      Select your IDP (Identity Provider) to login

    • You can also change the look and feel of this page. Login to miniOrange Admin console. Navigate to Customization -> Branding Configuration. See the below screenshot for reference-
      Customize IDP selection login page
    1. You can customize the title of this page.
    2. Change the logo and favicon for this page.
    3. Change the background and button color for this page from admin UI.

    If you have multiple IDPs and you want a certain set of users to authenticate from one IdP whereas another set of users to authenticate from another IdP, based on their email domains you can achieve this by using the following steps:- Our domain mapping feature

    • We have provided a Domain Mapping field under each IdP where admins can enter the domain eg. , as shown in the screenshot below.
    • Domain Mapping for selected IDP SSO

      Lets say, there are two organisations under ADFS. One want to authenticate the users under the domain and other one with the domain For reference, We have taken the 2 organisations as two different IDPs and WordPress as SP. Follow the guides to set up ADFS and WordPress at your end.

    • Once the setup is complete you can login through your Wordpress site.
    • So a user logging in with the domain will be redirected to the first organisation under ADFS.
    • Selected IDP Login Page

    • User logging in with email address having domain will be redirected to the second organisation under ADFS.
    • Different Domain IDP SSO login
      SSO Login Page for the selected domain
    • Once the user will authenticate itself through respective Organisations under ADFS, it will be redirected back to Wordpress site.

      If you have multiple IDPs (identity provider) and you want a certain application user to authenticate with one IDP and other application users with another IDP then you can achieve this by our Identity Source Feature.

    • Go to apps >> your_app >> select >>edit.
    • Edit SAML app
    • Here you will have an option called as an Identity source.
    • The dropdown list would show the list of configured IDPs (Identity providers) in miniOrange Identity Providers tab and Userstore.
    • Select one IDP you want for this application. Click on Save.
    • Select IDP from which you want to authenticate users
    • Now the users of this application would be able to authenticate only by the IDP (Identity Provider) selected from the Identity Source dropdown list.

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