Jérémie,

The redirect_uri in the URL sent to cas must match the serviceId in your 
service file. serviceId can be a regex. The client_id matches clientId (this is 
more obvious).
There may be other parameters that are sent to cas by your application that are 
not identified in the service file. These other  parameters may or may not be a 
factor (I am still learning OIDC).

In short, 'Unauthorized Service Access ...', means that there is a mismatch 
between the service requested in the browser and the service file.

Ray


On Sun, 2023-07-09 at 23:35 -0700, Jérémie wrote:
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system. Please be cautious with links and sensitive information.

Hi,

I'm simply getting :
2023-07-10 06:31:50,609 INFO [org.apereo.cas.web.CasWebApplicationReady] - 
<Ready to process requests @ [2023-07-10T06:31:50.562Z]>
2023-07-10 06:32:21,021 INFO 
[org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner] - <[0] expired 
tickets removed.>
2023-07-10 06:33:48,750 WARN 
[org.apereo.cas.services.RegisteredServiceAccessStrategyUtils] - <Unauthorized 
Service Access. Service [41ff9715-bd3e-473c-9888-e2d5a1364c2a] is not 
registered in service registry.>

And no I'm not connected, I'm reaching directly this page and I'm always doing 
these tests in a private browser session.

Le mardi 4 juillet 2023 à 20:36:08 UTC+2, Ray Bon a écrit :
Jérémie,

What do the cas logs say about the authentication event (may need debug level)?

The authorize URL comes after the authentication step. Are you logged in, in 
that browser?

Ray

On Tue, 2023-06-27 at 06:30 -0700, Jérémie wrote:
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system. Please be cautious with links and sensitive information.

Hi,

I'm pretty new to cas (6.6.8) and I'm trying to connect an test application to 
my CAS server using OIDC. I'm used to Okta, Auth0, etc so OIDC is not new to 
me, just CAS configuration.

My Cas is also connected to an AD to sign in.

This is my Cas server configuration using OIDC module 
(org.apereo.cas:cas-server-support-oidc) :

# Server
server.port=443

# SSL
server.ssl.enabled=true
server.ssl.key-store=file:{path}
server.ssl.key-store-password=xxx
server.ssl.key-password=xxx

# CAS
cas.server.name<http://cas.server.name>=https://URL:443
cas.server.prefix=${cas.server.name<http://cas.server.name>}/cas
cas.logout.followServiceRedirects=true
cas.authn.accept.enabled=false

# Active Directory
cas.authn.ldap[0].type=AUTHENTICATED
cas.authn.ldap[0].ldapUrl=ldap://localhost:389
cas.authn.ldap[0].useStartTls=false
cas.authn.ldap[0].baseDn=DC=AAA,DC=BBB
cas.authn.ldap[0].search-filter=(sAMAccountName={user})
cas.authn.ldap[0].subtreeSearch=true
cas.authn.ldap[0].bindDn=USER
cas.authn.ldap[0].bindCredential=XXX

# OIDC settings
cas.authn.oidc.core.issuer=https://URL/cas/oidc
cas.authn.oidc.core.skew=5
cas.authn.oidc.jwks.file-system.jwks-file=file:C:\Program Files\Tomcat 
9.0\etc\cas\config\keystore.jwks

# Encryption/Signing keys
cas.tgc.crypto.encryption.key=SN7Vpa8oHvXfh2hDZp8ANxZGRkF1DvKbYLTy_Vip2dI
cas.tgc.crypto.signing.key=KwbtZl2y5sidXFMShjVm4PiGwjVQ0Fq-ZBp0A_HUK6IOnoS2h0E5cSfp7vy8uioqX04yKIBXcU0kUm6DRuPCZQ
cas.webflow.crypto.signing.key=MltIqyj_vGFgZKFfw8vmoqYIYYu_KEU20AyZaAIDZl_Xjhl0ZGpPNe4h4N7-8p1_pNi-s97TQKb1-INp9VEwEA
cas.webflow.crypto.encryption.key=3Mh_pdDFLPCMgacDL6z8SQ

---

This is my /etc/config/services file :
{
  "@class": "org.apereo.cas.services.OidcRegisteredService",
  "serviceId": "https://localhost:3000/callback";, --> my app URL
  "name": "OIDC",
  "id": 1,
  "clientId": "41ff9715-bd3e-473c-9888-e2d5a1364c2a",
  "clientSecret": "SECRET",
  "bypassApprovalPrompt": true,
  "generateRefreshToken": true,
  "evaluationOrder": 10000
}

---

This is my test application config (Node.js app) :
{
  "domain": "cas.lyvoc.com/cas/oidc<http://cas.lyvoc.com/cas/oidc>",
  "clientId": "41ff9715-bd3e-473c-9888-e2d5a1364c2a",
}

This application was used for other IdP so it won't come from this. When 
hitting login on it, this is the /authorize URL I'm getting redirected to :
https://URL/cas/oidc/authorize?client_id=41ff9715-bd3e-473c-9888-e2d5a1364c2a&acr=http%3A%2F%2Fschemas.openid.net%2Fpape%2Fpolicies%2F2007%2F06%2Fmulti-factor&scope=openid%20profile%20email%20read%3Aall&response_type=code&response_mode=query&state=dGEwS21Ddm52WUNXc254c2ptRmNzQjBOZGNTSGlPZzZ1R1AxVldOTl9lMA%3D%3D&nonce=RUIzY1hEbWJmWDZJYjNWOWh3QVJZcjBBdVNDOGt0RVdjYVl6WEZ1R0tXYQ%3D%3D&redirect_uri=http%3A%2F%2Flocalhost%3A3000&code_challenge=2Mln96FLN8s0qylEMY9yuC7ucbKioF9cGMIYG5B4q8s&code_challenge_method=S256&auth0Client=eyJuYW1lIjoiYXV0aDAtc3BhLWpzIiwidmVyc2lvbiI6IjEuMTkuNCJ9

The issue is that I'm getting redirected to a CAS page, but saying 
"Authorization Denied". I'm not getting redirected to the authentication page 
or anything like that :
[firefox_u32LfLkefz.png]

I'm not finding anything on the net for this.

Thanks for any help !


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