add an OIDC Directory to Stalwart, requires exposing Keycloak port 8080 directly to access the userinfo endpoint using HTTP since the certificates in traefik are self-signed and end up being rejected by Stalwart with no option to bypass the certificate check

devtools/deployments/opencloud_full/config/stalwart/config.toml

@@ -2,6 +2,16 @@ authentication.fallback-admin.secret = "$6$4qPYDVhaUHkKcY7s$bB6qhcukb9oFNYRIvaDZ
 authentication.fallback-admin.user = "mailadmin"
 authentication.master.secret = "$6$4qPYDVhaUHkKcY7s$bB6qhcukb9oFNYRIvaDZgbwxrMa2RvF5dumCjkBFdX19lSNqrgKltf3aPrFMuQQKkZpK2YNuQ83hB1B3NiWzj."
 authentication.master.user = "master"
+directory.keycloak.cache.size = 1048576
+directory.keycloak.cache.ttl.negative = "10m"
+directory.keycloak.cache.ttl.positive = "1h"
+directory.keycloak.endpoint.method = "userinfo"
+directory.keycloak.endpoint.url = "http://172.18.0.7:8080/realms/openCloud/protocol/openid-connect/userinfo"
+directory.keycloak.fields.email = "email"
+directory.keycloak.fields.full-name = "name"
+directory.keycloak.fields.username = "preferred_username"
+directory.keycloak.timeout = "15s"
+directory.keycloak.type = "oidc"
 directory.ldap.attributes.class = "objectClass"
 directory.ldap.attributes.description = "description"
 directory.ldap.attributes.email = "mail"

devtools/deployments/opencloud_full/keycloak.yml

@@ -57,6 +57,8 @@ services:
       KC_FEATURES: impersonation
       KEYCLOAK_ADMIN: ${KEYCLOAK_ADMIN_USER:-admin}
       KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD:-admin}
+    ports:
+      - "8080:8080"
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.keycloak.entrypoints=https"