add docbook info on how NameID is calculated
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Josh Cain
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1 changed files with 168 additions and 40 deletions
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@ -18,15 +18,19 @@
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<chapter id="saml">
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<title>SAML SSO</title>
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<para>
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Keycloak supports SAML 2.0 for registered applications. Both POST and Redirect bindings are supported. You can choose
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Keycloak supports SAML 2.0 for registered applications. Both POST and Redirect bindings are supported. You can
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choose
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to require client signature validation and can have the server sign and/or encrypt responses as well. We do not
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yet support logout via redirects. All logouts happen via a background POST binding request to the application
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that will be logged out. We do not support SAML 1.1 either. If you want support for either of those, please
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log a JIRA request and we'll schedule it.
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</para>
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<para>
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When you create an application in the admin console, you can choose which protocol the application will log in with.
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In the application create screen, choose <literal>saml</literal> from the protocol list. After that there
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When you create an application in the admin console, you can choose which protocol the application will log in
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with.
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In the application create screen, choose
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<literal>saml</literal>
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from the protocol list. After that there
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are a bunch of configuration options. Here is a description of each item:
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</para>
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<para>
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@ -45,7 +49,8 @@
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<listitem>
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<para>
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SAML login responses may specify the authentication method used (password, etc.) as well as
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a timestamp of the login. Setting this to on will include that statement in the response document.
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a timestamp of the login. Setting this to on will include that statement in the response
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document.
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</para>
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</listitem>
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</varlistentry>
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@ -53,7 +58,8 @@
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<term>Multi-valued Roles</term>
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<listitem>
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<para>
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If this switch is off, any user role mappings will have a corresponding attribute created for it.
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If this switch is off, any user role mappings will have a corresponding attribute created for
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it.
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If this switch is turn on, only one role attribute will be created, but it will have
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multiple values within in.
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</para>
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@ -71,7 +77,9 @@
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<term>Sign Assertions</term>
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<listitem>
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<para>
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With the <literal>Sign Documents</literal> switch signs the whole document. With this setting
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With the
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<literal>Sign Documents</literal>
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switch signs the whole document. With this setting
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you just assign the assertions of the document.
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</para>
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</listitem>
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@ -98,7 +106,9 @@
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<listitem>
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<para>
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Expect that documents coming from a client are signed. Keycloak will validate this signature
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using the client keys set up in the <literal>Application Keys</literal> submenu item.
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using the client keys set up in the
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<literal>Application Keys</literal>
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submenu item.
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</para>
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</listitem>
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</varlistentry>
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@ -106,8 +116,10 @@
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<term>Force POST Binding</term>
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<listitem>
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<para>
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By default, Keycloak will respond using the initial SAML binding of the original request. By turning
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on this switch, you will force Keycloak to always respond using the SAML POST Binding even if the
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By default, Keycloak will respond using the initial SAML binding of the original request. By
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turning
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on this switch, you will force Keycloak to always respond using the SAML POST Binding even if
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the
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original request was the Redirect binding.
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</para>
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</listitem>
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@ -116,9 +128,12 @@
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<term>Front Channel Logout</term>
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<listitem>
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<para>
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If true, this application requires a browser redirect to be able to perform a logout. For example,
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the application may require a cookie to be reset which could only be done by a done via a redirect.
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If this switch is false, then Keycloak will invoke a background SAML request to logout the application.
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If true, this application requires a browser redirect to be able to perform a logout. For
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example,
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the application may require a cookie to be reset which could only be done by a done via a
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redirect.
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If this switch is false, then Keycloak will invoke a background SAML request to logout the
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application.
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</para>
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</listitem>
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</varlistentry>
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@ -126,7 +141,8 @@
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<term>Force Name ID Format</term>
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<listitem>
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<para>
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If the request has a name ID policy, ignore it and used the value configured in the admin console
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If the request has a name ID policy, ignore it and used the value configured in the admin
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console
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under Name ID Format
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</para>
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</listitem>
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@ -136,8 +152,107 @@
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<listitem>
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<para>
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Name ID Format for the subject. If no name ID policy is specified in the request or if the
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Force Name ID Format attribute is true, this value is used.
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Force Name ID Format attribute is true, this value is used. Properties used for each of the
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respective formats are defined below.
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</para>
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<variablelist>
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<varlistentry>
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<term>username</term>
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<listitem>
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<para>
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Format:
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<literal>urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified</literal>
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</para>
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<para>
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Source:
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<literal>UserModel.userName</literal>
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property
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>email</term>
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<listitem>
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<para>
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Format:
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<literal>urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress</literal>
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</para>
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<para>
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Source:
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<literal>UserModel.email</literal>
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property
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>transient</term>
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<listitem>
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<para>
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Format:
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<literal>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</literal>
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</para>
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<para>
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Source:<literal>G-$randomUuid</literal>, I.E.
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<literal>G-5ef5b38f-864f-41ad-82a0-04ade9139500</literal>
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>persistent</term>
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<listitem>
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<para>
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Format:
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<literal>urn:oasis:names:tc:SAML:2.0:nameid-format:persistent</literal>
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</para>
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<para>
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The persistent identifier will be evaluated in the following order. If one step
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does not yield a value, processing will continue on to the next until a value is
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found.
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</para>
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<variablelist>
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<varlistentry>
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<term>
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1) saml.persistent.name.id.for.$clientId
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<literal>UserModel</literal> attribute
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</term>
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<listitem>
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<para>
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identifier unique to this client/user pair.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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2) saml.persistent.name.id.for.*
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<literal>UserModel</literal> attribute
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</term>
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<listitem>
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<para>
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user identifier for all clients, unless otherwise overridden by a
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$clientId attribute.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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3) G-$randomUuid
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</term>
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<listitem>
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<para>
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I.E.<literal>G-5ef5b38f-864f-41ad-82a0-04ade9139500</literal>. If
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neither a $clientId or wildcard user attribute is found, a persistent
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identifier will be generated for the given client. Note that once this
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identifier has been generated, a user attribute with the key
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<emphasis>saml.persistent.name.id.for.$clientId</emphasis>
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will be persisted and used on all subsequent requests against the given
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client.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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<varlistentry>
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@ -146,7 +261,8 @@
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<para>
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This URL will be used for all SAML requests and responsed directed to the SP. It will be used
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as the Assertion Consumer Service URL and the Single Logout Service URL. If a login request
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contains the Assertion Consumer Service URL, that will take precedence, but this URL must be valided
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contains the Assertion Consumer Service URL, that will take precedence, but this URL must be
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valided
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by a registered Valid Redirect URI pattern
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</para>
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</listitem>
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@ -187,7 +303,8 @@
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</para>
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<para>
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For login to work, Keycloak needs to be able to resolve the URL for the Assertion Consumer Service of the SP. If
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you are relying on the SP to provide this URL in the login request, then you must register valid redirect uri patterns
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you are relying on the SP to provide this URL in the login request, then you must register valid redirect uri
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patterns
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so that this URL can be validated. You can set the Master SAML Processing URL as well, or alternatively, you can
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specify the Assertion Consumer Service URL per binding.
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</para>
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@ -204,24 +321,35 @@
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<section>
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<title>SAML Entity Descriptor</title>
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<para>
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If you go into the admin console in the application list menu page you will see an <literal>Import</literal>
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button. If you click on that you can import SAML Service Provider definitions using the <ulink url="http://docs.oasis-open.org/security/saml/v2.0/saml-metadata-2.0-os.pdf">Entity Descriptor</ulink>
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format described in SAML 2.0. You should review all the information there to make sure everything is set up correctly.
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If you go into the admin console in the application list menu page you will see an
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<literal>Import</literal>
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button. If you click on that you can import SAML Service Provider definitions using the
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<ulink url="http://docs.oasis-open.org/security/saml/v2.0/saml-metadata-2.0-os.pdf">Entity Descriptor
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</ulink>
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format described in SAML 2.0. You should review all the information there to make sure everything is set up
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correctly.
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</para>
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<para>
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Each realm has a URL where you can view the XML entity descriptor for the IDP. <literal>root/auth/realms/{realm}/protocol/saml/descriptor</literal>
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Each realm has a URL where you can view the XML entity descriptor for the IDP.
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<literal>root/auth/realms/{realm}/protocol/saml/descriptor</literal>
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</para>
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</section>
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<section>
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<title>IDP Initiated Login</title>
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<para>
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IDP Initiated Login is a feature that where you can set up a URL on the Keycloak server that will log you into a specific application/client. To set this up
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go to the client page in the admin console of the client you want to set this up for. Specify the <literal>IDP Initiated SSO URL Name</literal>. This is a simple string
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with no whitespace in it. After this you can reference your client at the following URL: <literal>root/auth/realms/{realm}/protocol/saml/clients/{url-name}</literal>
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IDP Initiated Login is a feature that where you can set up a URL on the Keycloak server that will log you
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into a specific application/client. To set this up
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go to the client page in the admin console of the client you want to set this up for. Specify the<literal>
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IDP Initiated SSO URL Name</literal>. This is a simple string
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with no whitespace in it. After this you can reference your client at the following URL:
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<literal>root/auth/realms/{realm}/protocol/saml/clients/{url-name}</literal>
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</para>
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<para>
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If your client requires a special relay state, you can also configure this in the admin console. Alternatively, you can specify the relay state in a
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<literal>RelayState</literal> query parameter, i.e. : <literal>root/auth/realms/{realm}/protocol/saml/clients/{url-name}?RelayState=thestate</literal>
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If your client requires a special relay state, you can also configure this in the admin console.
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Alternatively, you can specify the relay state in a
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<literal>RelayState</literal>
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query parameter, i.e. :
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<literal>root/auth/realms/{realm}/protocol/saml/clients/{url-name}?RelayState=thestate</literal>
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</para>
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</section>
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</chapter>
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