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Python Flask Single Sign-On SSO

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Python Flask JWT Single Sign-On (SSO) solution by miniOrange provides secure Single Sign-On access into Python Flask application using a single set of login credentials. This is done using JSON Web Token (JWT) tokens and it can be easily integrated with Python Flask built in any framework or language. You can enable social login for your users to get secure access to applications using any of their existing social providers such as Facebook, Twitter, Google, or LinkedIn.

With miniOrange Python Flask SSO, you get:

• Seamless user login experience.
• Endless customizations to your login forms and pages.
• Simplified customer or user on-boarding.

Follow the step-by-step guide given below for Python Flask Single Sign-On (SSO):

1. Configure Python Flask in miniOrange:

• Login into miniOrange Admin Console.



• Go to Apps and click on Add Application button.



• In Choose Application, select JWT from the application type dropdown.



• In the next step, search for Python Flask application from the list. If your application is not found, search for JWT App and you can set up your Application.



• You can configure the following details in the application:

  Display Name	Enter the Display Name (i.e. the name for this application)
  Redirect URL	Enter the Redirect URL (i.e. the endpoint where you want to send/post your JWT token). You can add multiple redirect URLs by separating them with a ‘;’.E.g. abc.com;xyz.com
  Client ID	The Client ID is shown in the field below. Click the clipboard icon to copy it.
  Client Secret	Client Secret is hidden by default. Click the eye icon to reveal it and use the clipboard icon to copy it. This is used in the HS256 signature algorithm for generating the signature.
  Description (Optional)	Add a description if required.




• Click Save.
• You will be redirected to the Policies section. Click Add Policy.



• A dialog box will open enter the following details:

  Group Name	Select the group for which you wish to add a this policy. For multiple groups, you can click here to add a multiple/separate policies for each group.
  Policy Name	You can give a name for the authentication policy.
  First Factor	Select the login method as Password and Password-less. You can enable 2-Factor Authentication (MFA), Adaptive Authentication and Force MFA On Each Login Attempt.




• Click Submit to add the policy.
• You will see the policy listed once it’s successfully added.



• Click on Advanced tab.
• Enter the following details as required:

  Access Token	Enter the access token that will be sent to your redirect URL after a user logs in. This token helps your app know the user is allowed to access certain features.
  ID Token Expiry (In Mins)	Set how long (in minutes) the ID token will be valid. After this time, the user will need to log in again to get a new token.
  Subject	Choose what information, like the user’s email address, will be used to identify them in the token. This helps your app know which user is logged in.
  Signature Algorithm	Select your signature algorithm from the dropdown.
  The Logout URL of your application	Enter the web address where users should be sent after they log out.




• Signature Algorithms for JWT

RSA-SHA256

• Asymmetric, uses a set of private and public keys to generate and validate the signature which is included in the JWT token.
• The private key is used to generate the signature on the IDP side.
• The public key is used to verify the signature on the SP side.
• We provide the public key for this.



HS256

• Symmetric, uses the same secret key to generate and validate the signature
• The secret key in this case is configurable from the app configuration page.
• Switch to Authentication tab.

  Primary Identity Provider	Select the default ID source from the dropdown for the application. If not selected, users will see the default login screen and can choose their own IDP. [Choose miniOrange in this case.]
  Force Authentication	If you enable this option, users will have to log in every time, even if their session already exists.
  Enable User Mapping	Enable this option, if you want the app to show which user is signed in when it responds.
  Show On End User Dashboard	Enable this option if you want to show this app in the end-user dashboard.




• Navigate to Endpoints and copy the following details:



• Single Sign-On URL:
  • This URL is used to initiate user authentication to obtain the JWT token.
  • Take redirect_uri as one of the query parameters.
  • After successful authentication on the IDP end, an active user session is created in the IDP and the user is redirected to the redirect_uri with the JWT token.
• Single Logout URL:
  • This URL is used to log out the user from the IDP by removing the active user session.
  • Take redirect_uri as one of the query parameters.
  • After removing the active user session, the IDP redirects the user to the redirect_uri.
• Reply back URL for IdP initiated logout:
  • This URL is used to initiate the logout in case the JWT user login was IDP Initiated [User logged in to the dashboard
    first and then initiated the login for the app from the dashboard.]
  • After logging out the user from the IDP, the user is redirected to the IDP dashboard login page.

2. Adding Script on Python Flask's End

• To enable SSO on Python Flask's end, all you need to do is add a Single Sign-On URL and Customized Script to retrieve the required attributes from the JWT token.
• Please click here to contact us for the script which is to be added.

3. Test SSO Configuration

Test SSO login to your Python Flask account with miniOrange IdP:

Using IDP Initiated Login

• Login to miniOrange IdP using your credentials.



• On the Dashboard, click on Python Flask application which you have added, to verify SSO configuration.





Not able to configure or test SSO?


Contact us or email us at idpsupport@xecurify.com and we'll help you setting it up in no time.

External References

• Mobile Apps Single Sign-On
• What is Single sign-On (SSO)?