Slack SAML Single Sign-On (SSO) | Login using Joomla into Slack SSO

Single Sign-On in Slack using Joomla IDP allows users to log in to Slack using Joomla by configuring Slack as a Service Provider (SP) and Joomla as a SAML Identity Provider (IDP). This guide will take you through a step-by-step process to configure SSO between the two platforms.

What is Slack?
Slack is a team collaboration and communication platform that organizes conversations into channels for different teams, projects, or topics, and offers direct messaging for private chats. It integrates with numerous other tools like Google Drive and Trello, enabling streamlined workflows. Key features include file sharing, powerful search capabilities, customizable notifications, and built-in video and voice calling, making it a comprehensive solution for improving internal communication and productivity in organizations of all sizes.

Pre-requisites: Download And Installation

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Install Joomla IDP Plugin

• Download the zip file for the miniOrange Joomla IDP plugin.
• Log into your Joomla site’s administrator console.
• From left toggle menu, click on System, then under Install section click on Extensions.

• Upload the downloaded zip file to install the Joomla IDP plugin.

• Installation of the plugin is successful. Now click on Start Using miniOrange SAML IDP Plugin to configure miniOrange Joomla IDP plugin.

Steps to configure Slack SSO with Joomla as IDP.

1. Configure Slack as Service Provider

• Go to the miniOrange Joomla IDP plugin, navigate to the Identity Provider tab.
• Here, you can find the Identity Provider Metadata XML URL/File or endpoints like IDP Entity ID, SAML Login URL, SAML Logout URL (Premium Feature), and Certificate for SP configuration. Download the XML Metadata by clicking on the button as shown below.

• Log in to your Slack account as Account Admin.
• Go to Settings & administration and select Workplace settings.

• Select Authentication and click on Configure for SAML Authentication.

• Enter the following values in the respective fields:

SAML 2.0 Endpoint (HTTP)	You can find this in IDP Metadata tab as SAML Login URL
Identity Provider Issuer	You can find this in IDP Metadata tab as IDP-EntityID
Public Certificate	You can find this in IDP Metadata tab as Certificate


• Under Advanced Options, use the default value for the Service Provider Issuer, it must be https://slack.com.

• Under Settings, select the desired options for SAML Authentication for users and workspace.

Note: It's recommended to use 'It’s optional' for the Authentication for your workspace must be used by until the SAML configuration is fully tested. This will allow you to use both – username/password and SAML authentication options.

• Click on Save Configuration.

2. Configure Joomla as Identity Provider

• Now go to Components miniOrange Joomla IDP Service Provider

• Navigate to the Service Provider tab and complete the fields for Service Provider Name, SP Entity ID or Issuer, ACS URL, and NameID Format. Refer to this step to get Service Provider details. Fill in the other fields according to your requirements. Click on Save.

Enter the following values:

Service Provider Name	Choose appropriate name according to your choice.
SP Entity ID or Issuer	Service Provider Entity ID.
ACS URL	SP Assertion Consumer Service URL.
X.509 Certificate (optional) [For Signed Request]	Paste certificate value you copied from the Metadata file.
NameID Format	Select urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress.
Assertion Signed	Checked.


• Now click on Advance Mapping tab. Select the NameID Attribute and then click on Save Button.


You have successfully completed your miniOrange SAML 2.0 IDP configurations.

3. Attribute Mapping (Premium Feature)

• In the miniOrange Joomla IDP plugin, navigate to the Advance Mapping tab.
• Here, you can configure Custom attribute mapping and also add additional User Attributes.

You have successfully configured Single Sign-On with Slack as Service Provider and Joomla as Identity Provider. If you require any further support or, if you are facing any difficulty please mail us on joomlasupport@xecurify.com

Free Trial

If you would like to test out the plugin to ensure your business use case is fulfilled, we do provide a 7-day trial. Please drop us an email at joomlasupport@xecurify.com requesting a trial. You can create an account with us using this link.

Additional Resources.

• What is Single Sign-On (SSO)
• What is SAML?
• Additional SAML IDP guides
• Frequently Asked Questions (FAQs)