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Authentik SAML

How to use Authentik as identity provider for Kimai

Kimai 1.30.0 2.37.0 (latest version)

Go back to general SAML configuration for Kimai.

Authentik is an open-source Identity Provider focused on flexibility and versatility. It has proven to work with Kimai, see #3212. You should check the Authentik docs about Kimai as well.

Make sure that the mapping field matches the XML response:

    mapping:
      - { saml: $http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress, kimai: email }
      - { saml: $http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name, kimai: alias }

Full example

kimai:
    saml:
        provider: authentik
        activate: true
        title: Login with SAML
        mapping:
            - { saml: $http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress, kimai: email }
            - { saml: $http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name, kimai: alias }
        roles:
            resetOnLogin: true
            attribute: http://schemas.xmlsoap.org/claims/Group
            mapping:
                # Insert your roles here (ROLE_USER is added automatically)
                - { saml: admin.group, kimai: ROLE_ADMIN }
        connection:
            # You SAML provider
            # Your Authentik instance, replace https://authentik.company with your authentik URL
            idp:
                entityId: "https://authentik.company/"
                singleSignOnService:
                    url: "https://authentik.company/application/saml/<application-slug>/sso/binding/redirect/"
                    binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
                # the "single logout" feature was not yet tested, if you want to help, please let me know!
                singleLogoutService:
                    url: "https://authentik.company/if/session-end/<application-slug>/"
                    binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
                # Signing certificate from *Advanced protocol settings*
                x509cert: "XXXXXXXXXXXXXXXXXXXXXXXXXXX=="
            # Service Provider Data that we are deploying.
            # Your Kimai instance, replace https://kimai.company with your Kimai URL
            sp:
                entityId: "https://kimai.company/"
                assertionConsumerService:
                    url: "https://kimai.company/auth/saml/acs"
                    binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
                singleLogoutService:
                    url: "https://kimai.company/auth/saml/logout"
                    binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
                #privateKey: ''
            # only set baseurl, if auto-detection doesn't work
            baseurl: "https://kimai.company/auth/saml/"
            strict: false
            debug: true
            security:
                nameIdEncrypted: false
                authnRequestsSigned: false
                logoutRequestSigned: false
                logoutResponseSigned: false
                wantMessagesSigned: false
                wantAssertionsSigned: false
                wantNameIdEncrypted: false
                requestedAuthnContext: true
                signMetadata: false
                wantXMLValidation: true
                signatureAlgorithm: "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"
                digestAlgorithm: "http://www.w3.org/2001/04/xmlenc#sha256"
            contactPerson:
                technical:
                    givenName: "Kimai Admin"
                    emailAddress: "admin@example.com"
            organization:
                en:
                    name: "Kimai"
                    displayname: "Kimai"
                    url: "https://kimai.company"

Troubleshooting

Be aware that you have to set the correct NameID Property Mapping, otherwise the second login of a user might fail with an error like:

Failed creating or hydrating user "5cdbd7e4f75719119780ac83c5b09bcda070d8f6a14dbab20aabee299ce6cda2"
Duplicate entry 'test@example.com'

Solution

On your Authentik Provider, switch to Advanced protocol settings and set the NameID Property Mapping to be the username. This will start sending the correct username and email, which Kimai needs to map the SSO user to the internal Kimai account for the authentication.

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