[midPoint] Midpoint - SAML 2.0 - Okta IdP - Flex-Auth?

Gus Lou gugalou38 at gmail.com
Mon Aug 17 16:15:31 CEST 2020


Hi Luca
Thank you very much for your help. I had not configured this option yet.
I did the suggested configuration, now the link to the IdP in the midpoint
interface is correct.
But when I click on the link to the IdP and do the authentication and get
the reply back to the midpoint I get an error:
*Midpoint saml module doesn't receive response from Identity Provider
server.*
*Authentication failed, and as a consequence was restarted authentication
flow*
(probably due to the fact that the midpoint ACS url in the IdP is not
correct.)

I need to find out what the Midpoint Assertion Consumer Service (ACS) URL
is to report on the IdP.

Print Screen after IdP Authentication failed
[image: image.png]

Regards

Gus

Em seg., 17 de ago. de 2020 às 03:18, Lukas Skublik <
lukas.skublik at evolveum.com> escreveu:

> Hello Gus,
>
> you try configure attribute
> systemConfiguration/infrastructure/publicHttpUrlPattern to '
> http://midpoint-02.xyz.net/midpoint'.
>
> Regards,
> Lukas Skublik
> On 6. 8. 2020 0:00, Gus Lou wrote:
>
> Hi Guys
> Anyone here already integrated Midpoint with Okta's solution to provide
> Midpoint authentication through the SAML 2.0 protocol?
> I created a free developer account on Okta and I am trying to make the
> SAML settings following the guidelines below:
>
> *Midpoint Wiki:*
>
> https://wiki.evolveum.com/display/midPoint/Flexible+Authentication+Configuration
>
> *Git Example Security-policy-flexible-authentication:*
>
> https://github.com/Evolveum/midpoint-samples/blob/master/samples/policy/security/security-policy-flexible-authentication.xml
>
> *Okta Example - SAML Spring Security:*
> https://developer.okta.com/code/java/spring_security_saml/
> https://github.com/oktadeveloper/okta-spring-boot-saml-example
>
> I understand that Okta is the Identity Provider IdP and Midpoint is the
> Service Provider SP.
> After trying to make the settings I had some doubts:
>
> What is the Midpoint uri that receives the IdP response?
> What is the Midpoint url that I should use to perform the authentication
> of the IdP (Okta). Because when I try to inform an existing user in the IdP
> an error appears and a screen with the link of the IdP (in this part there
> is another error that I couldn't solve the midpoint displays the internal
> address https://127.0.0.1/
>
> Some Informations from my Lab:
>
> *Print-01 Midpoint - Authentatication GUI* (the user john.doe, does not
> exist at midpoint but exists at IdP)
> [image: image.png]
>
> *Print-02 *
> After I try to authenticate, I get the error message:
> *Couldn't authenticate user, reason: couldn't encode password.*
> [image: image.png]
>
> *Print-03*
> The link to the idp Okta is displaying the midpoint's internal address:
> *http://127.0.0.1:8080/ <http://127.0.0.1:8080/>*
> midpoint/auth/default/oktaidp/discovery?idp=http%3A%2F%2Fwww.okta.com
> %2Fexko4d721K5vASKoJ4x6
>
> Instead of the hostname address:
> *http://midpoint-02.xyz.net <http://midpoint-02.xyz.net>*
> /midpoint/auth/default/oktaidp/discovery?idp=http%3A%2F%2Fwww.okta.com
> %2Fexko4d721K5vASKoJ4x6
>
> I believe it is some incorrect configuration on my reverse proxy - nginx
> [image: image.png]
>
> *Print-04: Okta IdP SAML Configuration*
> Here is my main question, because in the fields:
>
>    1. Single sign on URL
>    2. Audience URI (SP Entity ID)
>
> I need to report existing data in Midpoint, but I'm not sure where to get
> this information.
> [image: image.png]
>
>
>
> *My Security Policy Config:*
> I made the settings in the IdP, generated the metadata, encoded it in base
> 64 and put it in the Midpoint settings.
>
> <authentication>
>         <modules>
>             <loginForm id="15">
>                 <name>internalLoginForm</name>
>                 <description>Internal username/password authentication,
> default user password, login form</description>
>             </loginForm>
>             <saml2 id="16">
>                 <name>oktaidp</name>
>                 <description>My SAML-based SSO system.</description>
>                 <network>
>                     <readTimeout>10000</readTimeout>
>                     <connectTimeout>5000</connectTimeout>
>                 </network>
>                 <serviceProvider>
>                     <entityId>sp_midpoint</entityId>
>                     <signRequests>true</signRequests>
>                     <wantAssertionsSigned>true</wantAssertionsSigned>
>                     <singleLogoutEnabled>true</singleLogoutEnabled>
>
> <nameId>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</nameId>
>                     <keys/>
>                     <provider id="17">
>                         <entityId>http://www.okta.com/xxxxxxxxxxxx4x6
> </entityId>
>                         <alias>SSO-Okta</alias>
>                         <metadata>
>
> <xml>PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48bWQ6RW50aXR5RGVzY3JpcHRvciBlbnRpdHlJRD0iaHR0cDovL3d3dy5va3RhLmNvbS9leGtvNGQ3MjFLNXZBU0</xml>
>                         </metadata>
>                         <skipSslValidation>true</skipSslValidation>
>                         <linkText>Okta</linkText>
>
> <authenticationRequestBinding>urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST</authenticationRequestBinding>
>
> <nameOfUsernameAttribute>uid</nameOfUsernameAttribute>
>                     </provider>
>                 </serviceProvider>
>             </saml2>
>         </modules>
>         <sequence id="8">
>             <name>admin-gui-default</name>
>             <description>
>                 Default GUI authentication sequence.
>                 We want to try company SSO, federation and internal. In
> that order.
>                 Just one of then need to be successful to let user in.
>             </description>
>             <channel>
>                 <channelId>
> http://midpoint.evolveum.com/xml/ns/public/model/channels-3#user
> </channelId>
>                 <default>true</default>
>                 <urlSuffix>default</urlSuffix>
>             </channel>
>             <module id="12">
>                 <name>oktaidp</name>
>                 <order>30</order>
>                 <necessity>sufficient</necessity>
>             </module>
>             <module id="13">
>                 <name>internalLoginForm</name>
>                 <order>20</order>
>                 <necessity>sufficient</necessity>
>             </module>
>         </sequence>
>         <sequence id="9">
>             <name>admin-gui-emergency</name>
>             <description>
>                 Special GUI authentication sequence that is using just the
> internal user password.
>                 It is used only in emergency. It allows to skip SAML
> authentication cycles, e.g. in case
>                 that the SAML authentication is redirecting the browser
> incorrectly.
>             </description>
>             <channel>
>                 <channelId>
> http://midpoint.evolveum.com/xml/ns/public/model/channels-3#user
> </channelId>
>                 <default>false</default>
>                 <urlSuffix>emergency</urlSuffix>
>             </channel>
>             <requireAssignmentTarget
> oid="00000000-0000-0000-0000-000000000004" relation="org:default"
> type="c:RoleType">
>                 <!-- Superuser -->
>             </requireAssignmentTarget>
>             <module id="14">
>                 <name>internalLoginForm</name>
>                 <order>30</order>
>                 <necessity>sufficient</necessity>
>             </module>
>         </sequence>
>     </authentication>
>
>
> If anyone has any suggestions for solving the problem I would appreciate
> it.
>
> Regards
>
> Gus
>
>
>
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