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Added improvements for the LDAP server server and testing in local
Closes #46125 Signed-off-by: Ruchika <ruchika.jha1@ibm.com> Signed-off-by: Alexander Schwartz <alexander.schwartz@ibm.com> Co-authored-by: Alexander Schwartz <alexander.schwartz@ibm.com>
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Ruchika Jha
GitHub
+98
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@@ -186,17 +186,108 @@ content including subject, recipient, and message body.
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LDAP server
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-----------
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To start a ApacheDS based LDAP server for testing LDAP sending run:
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The Keycloak testsuite includes a standalone embedded ApacheDS-based LDAP server
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for testing LDAP Federation provider and authentication features.
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mvn exec:java -Pldap
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This allows local development and testing without requiring an external LDAP server.
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**Prerequisite:**
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- Keycloak server running (see [Keycloak server](#keycloak-server) section above)
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---
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### Running the LDAP Server
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To start the embedded ApacheDS LDAP server for local development and testing:
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```
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./mvnw -f testsuite/utils/pom.xml exec:java -Pldap
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```
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or run `org.keycloak.testsuite.ldap.LDAPEmbeddedServer` from your favourite IDE!
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### Configuring LDAP in Keycloak Admin Console
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Once the LDAP server is running, navigate to the Keycloak Admin Console.
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1. Select your realm (e.g., `master` or your realm) from the realm dropdown in the top-left corner.
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2. In the left navigation menu, click on **User Federation**.
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3. Click on the **Add LDAP provider**.
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### LDAP Server Settings
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There are additional system properties you can use to configure (See LDAPEmbeddedServer class for details). Once done, you can create LDAP Federation provider
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in Keycloak admin console with the settings like:
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* Vendor: Other
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* Connection URL: ldap://localhost:10389
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* User DN Suffix: ou=People,dc=keycloak,dc=org
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* Bind DN: uid=admin,ou=system
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* Bind credential: secret
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| Field | Value |
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|-----------------|--------------------------------|
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| UI display name | `ldap` or any other value |
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| Vendor | `Other` |
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| Connection URL | `ldap://localhost:10389` |
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| Bind Type | `simple` |
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| Bind DN | `uid=admin,ou=system` |
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| Bind credential | `secret` |
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| Edit mode | `WRITABLE` |
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| Users DN | `ou=People,dc=keycloak,dc=org` |
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Click **Save** to apply the configuration.
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### Testing with Users
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The embedded LDAP server is pre-populated with default users from
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[`util/embedded-ldap/src/main/resources/ldap/default-users.ldif`](../util/embedded-ldap/src/main/resources/ldap/default-users.ldif).
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The following users are available currently for testing:
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| Username | Password | Full Name | Email |
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|-----------|------------|--------------|------------------------|
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| `jbrown` | `password` | James Brown | `jbrown@keycloak.org` |
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| `bwilson` | `password` | Bruce Wilson | `bwilson@keycloak.org` |
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To log in as one of these users:
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1. Navigate to your realm's login page, e.g., `http://localhost:8080/realms/master/account`
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2. Enter the username (e.g., `jbrown`) and password (`password`).
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3. Click **Sign In**.
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4. The user will be federated from LDAP on first login.
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To verify the user was synced, go to the Keycloak Admin Console → **Users** and confirm
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the LDAP user appears with the attribute `LDAP_ID` populated.
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### Browsing the LDAP Directory with Apache Directory Studio
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[Apache Directory Studio](https://directory.apache.org/studio/) is a free GUI tool for
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browsing and managing LDAP directories. It is useful for inspecting the embedded server's
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directory tree during development.
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**Steps to connect:**
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1. Download and install [Apache Directory Studio](https://directory.apache.org/studio/downloads.html).
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2. Open Apache Directory Studio and go to **File** → **New** → **LDAP Browser** → **LDAP Connection**.
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3. Enter the following connection details:
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| Field | Value |
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|-------------------|-----------------------|
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| Connection name | `Keycloak Local LDAP` |
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| Hostname | `localhost` |
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| Port | `10389` |
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| Encryption method | `No encryption` |
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4. Click **Next**, then enter the authentication details:
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| Field | Value |
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|-----------------------|-------------------------|
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| Authentication method | `Simple Authentication` |
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| Bind DN | `uid=admin,ou=system` |
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| Bind password | `secret` |
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5. Click **Finish** to save the connection, then double-click it to connect.
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6. In the **LDAP Browser** panel, expand `dc=keycloak,dc=org` → `ou=People` to browse the
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default users (e.g., `uid=jbrown`, `uid=bwilson`).
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In your testing, you can use Apache Directory Studio to inspect the LDAP directory structure, verify user entries, and
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monitor changes as you interact with Keycloak's LDAP Federation provider.
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Kerberos server
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---------------
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