keycloak-scim/topics/identity-broker/saml.adoc
2016-11-28 15:39:31 +01:00

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=== SAML v2.0 Identity Providers
{{book.project.name}} can broker identity providers based on the SAML v2.0 protocol.
To begin configuring an OIDC provider, go to the `Identity Providers` left menu item
and select `SAML v2.0` from the `Add provider` drop down list. This will bring you to the `Add identity provider` page.
.Add Identity Provider
image:../../{{book.images}}/saml-add-identity-provider.png[]
The initial configuration options on this page are described in <<fake/../../identity-broker/configuration.adoc#_general-idp-config, General IDP Configuration>>.
You must define the SAML configuration options as well. They basically describe the SAML IDP you are communicating with.
.SAML Config
|===
|Configuration|Description
|Single Sign-On Service URL
|This is a required field and specifies the SAML endpoint to start the authentication process. If your SAML IDP publishes an IDP entity descriptor, the value of
this field will be specified there.
|Single Logout Service URL
|This is an optional field that specifies the SAML logout endpoint. If your SAML IDP publishes an IDP entity descriptor, the value of
this field will be specified there.
|Backchannel Logout
|Enable if your SAML IDP supports backchannel logout
|NameID Policy Format
|Specifies the URI reference corresponding to a name identifier format. Defaults to urn:oasis:names:tc:SAML:2.0:nameid-format:persistent.
|HTTP-POST Binding Response
|When this realm responds to any SAML requests sent by the external IDP, which SAML binding should be used? If set to `off`, then the Redirect Binding will be used.
|HTTP-POST Binding for AuthnRequest
|When this realm requests authentication from the external SAML IDP, which SAML binding should be used? If set to `off`, then the Redirect Binding will be used.
|Want AuthnRequests Signed
|If true, it will use the realm's keypair to sign requests sent to the external SAML IDP
|Signature Algorithm
|If `Want AuthnRequests Signed` is on, then you can also pick the signature algorithm to use.
|Force Authentication
|Indicates that the user will be forced to enter in their credentials at the external IDP even if they are already logged in.
|Validate Signature
|Whether or not the realm should expect that SAML requests and responses from the external IDP be digitally signed. It is highly recommended you turn this on!
|Validating X509 Certificate
|The public certificate that will be used to validate the signatures of SAML requests and responses from the external IDP.
|===
You can also import all this configuration data by providing a URL or file that points to the SAML IDP entity descriptor of the external IDP.
If you are connecting to a {{book.project.name}} external IDP, you can import the IDP setttings from the url `<root>/auth/realms/\{realm-name}/protocol/saml/descriptor`.
This link is an XML document describing metadata about the IDP.
You can also import all this configuration data by providing a URL or XML file that points to the entity descriptor of the external SAML IDP you want to connect to.
[[_identity_broker_saml_sp_descriptor]]
==== SP Descriptor
Once you create a SAML provider, there is an `EXPORT` button that appears when viewing that provider.
Clicking this button will export a SAML SP entity descriptor which you can use to import into the external SP provider.
This metadata is also available publicly by going to the URL
[source]
----
http[s]://{host:port}/auth/realms/{realm-name}/broker/{broker-alias}/endpoint/descriptor
----