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Table of Contents

Introduction

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This pilot aims at demonstrating possible mechanisms to include Social Identities in the Authentication and Authorization process for providing federated access to resources within a given research collaboration, exploiting mechanisms to enhance the LoA of the users. The idea is to be able to support individual researchers that are not affiliated with any of the traditional home organisations, as well as those users whose Identity Providers are not part of any of the eduGAIN participating federations.
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Note that a user cannot access federated resources until they obtain an AARC ID through enrollment in the AARC Pilot User Community. In addition, we have defined a minimum set of attributes required for registering for an AARC ID. The SP-IdP proxy will attempt to retrieve these attributes from the user’s Home Organisation. If this is not possible, then the user will be asked to provide the missing attribute values and the request to join the collaboration will need to go through a verification process by the collaboration's Sponsors.

Detailed description

A detailed description of the aim and approach of this pilot and how it maps to the AARC Blueprint Architecture is available here

Demonstration portal

For the purpose of this pilot, we have enabled federated access to the dashboard of a demo OpenStack Cloud deployment. Specifically, the pilot IdP proxy has been configured to authenticate users and communicate the result of the authentication to OpenStack's Identity service (Keystone) using SAML assertions. The SAML assertions are then mapped to keystone user groups, based on which, the authenticating user can access cloud resources using their federated AARC ID.Workflow for interested users:

Registration/Login Workflow

1.	Access OpenStack's Dashboard (Horizon) at https://am02.pilots.aarc-project.eu/horizon	Image Modified
2.	Click Connect and select your Identity Provider from the discovery page (WAYF). You may select any of the following options: Institutional IdP: AARC DIY Identity Provider (considered an institutional IdP for demo purposes only) Social IdPs: Facebook, Google, LinkedIn ORCID	Image Modified
3.	Enter your login credentials to authenticate yourself with the IdP of your Home Organisation (e.g. Google)	Image Modified
4.	After successful authentication, you may be prompted by your Home Organisation to consent to the release of personal information to the EGI AAI Service Provider Proxy
5.	On the EGI AAI Consent about releasing personal information page, click Yes, continue to consent to the release of personal information to the EGI User Account Registry. If you select the Remember option, your browser will remember your choice unless you clear your cookies or restart the browser.	Image Modified
6.	If this is your first time logging in, you will be redirected to the AARC Pilot User Community Sign Up page after successful authentication. Alternatively, you may access the sign up page directly by visiting: https://aai-dev.egi.eu/join-aarc	Image Modified
7.	Depending on the LoA and/or attributes released by your Home IdP, there are two sign up workflows: If the LoA is substantial and all required attributes are released: Self-service Sign Up (typically for users coming from eduGAIN IdPs, or the AARC DIY Identity Provider for the purpose of this demo) If the upstream IdP cannot provide all attributes, or the LoA is low: Approval-based Sign Up. For example, in the case of Social IdPs the Affiliation Attribute will be missing; thus, you will be asked to provide any missing attribute values yourself.	Image Modified Image Modified
8.	On the registration form, click Review Terms and Conditions
9.	If you agree to the Terms of Use, select the I Agree option. Important: You will not be able to agree to the terms until you review them!
10.	Finally, click Submit to submit your request. Important: You will not be able to submit your request until you agree to the terms!	Image Modified
11.	After submitting your request, you will receive an email with a verification link in it. After you click that link, you'll be taken to the request confirmation page.	Image Modified
12.	After reviewing your request, click Confirm and re-authenticate yourself using the Identity Provider you selected in Step 2.	Image Modified
13.	If your sign up request requires approval (see Step 7), the Sponsor(s) of the VO will be notified via email. You will need to wait for a Sponsor to approve your request to join the AARC Pilot User Community. Upon approval, you will receive a notification email.	Image Modified
14.	After your registration has been completed, you can manage your profile through the Account Registry portal at https://aai-dev.egi.eu/registry	Image Modified
15.	Relogin to OpenStack's dashboard at https://am02.pilots.aarc-project.eu/horizon. You will be mapped to a Keystone user group based on the values of the eduPersonEntitlement attribute	Image Modified

Identity Linking Workflow

Identity linking allows users to access federated resources with their existing personal AARC ID, using any of the login credentials they have linked to their account. To link a new organisational or social identity to your AARC account:

1.	Enter the following URL in a browser: https://aai-dev.egi.eu/registry	Image Added
2.	Click Login and authenticate using any of the login credentials already linked to your AARC account	Image Added
3.	Navigate to My AARC Pilot User Community Account page in any of the following ways: hover over your display name next to the gear icon on the top right corner of the page; or, alternatively, select AARC Pilot User Community from the list of available Collaborations and then click My AARC Pilot User Community Account from the People menu	Image Added
4.	Under the Organisational Identities section of your profile page, click Link New Identity.	Image Added
5.	On the introductory page for Identity Linking, click Begin	Image Added
6.	On the Link New Identity form, click Review Terms and Conditions	Image Added
7.	After reviewing the Terms and Conditions, click OK	Image Added
8.	If you agree to the Terms and Conditions, select the I Agree option. Important: You will not be able to agree to the terms until you review them.	Image Added
9.	Finally, click Submit to submit your request. Important: You will not be able to submit your request until you agree to the terms.
10.	After submitting your request, you will receive an email with a link in it. After you click that link, you'll be taken to the Link New Identity confirmation page.	Image Added Image Added
11.	On the Link New Identity confirmation page, click Confirm	Image Added
12.	After confirmation, you will need to sign in using the login credentials from the Institutional/Social Identity Provider you want to link to your account	Image Added
13.	After successful authentication, you'll be able to access federated resources with your existing personal AARC ID using the login credentials of the Identity Provider you selected in the previous step	Image Added