Bye bye Groovy, you won't be missed :(
This commit is contained in:
130
src/main/java/io/kamax/mxisd/backend/ldap/LdapAuthProvider.java
Normal file
130
src/main/java/io/kamax/mxisd/backend/ldap/LdapAuthProvider.java
Normal file
@@ -0,0 +1,130 @@
|
||||
/*
|
||||
* mxisd - Matrix Identity Server Daemon
|
||||
* Copyright (C) 2017 Maxime Dor
|
||||
*
|
||||
* https://max.kamax.io/
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package io.kamax.mxisd.backend.ldap;
|
||||
|
||||
import io.kamax.matrix._MatrixID;
|
||||
import io.kamax.mxisd.UserIdType;
|
||||
import io.kamax.mxisd.auth.provider.AuthenticatorProvider;
|
||||
import io.kamax.mxisd.auth.provider.BackendAuthResult;
|
||||
import org.apache.commons.lang.StringUtils;
|
||||
import org.apache.directory.api.ldap.model.cursor.CursorException;
|
||||
import org.apache.directory.api.ldap.model.cursor.CursorLdapReferralException;
|
||||
import org.apache.directory.api.ldap.model.cursor.EntryCursor;
|
||||
import org.apache.directory.api.ldap.model.entry.Attribute;
|
||||
import org.apache.directory.api.ldap.model.entry.Entry;
|
||||
import org.apache.directory.api.ldap.model.exception.LdapException;
|
||||
import org.apache.directory.api.ldap.model.message.SearchScope;
|
||||
import org.apache.directory.ldap.client.api.LdapConnection;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
@Component
|
||||
public class LdapAuthProvider extends LdapGenericBackend implements AuthenticatorProvider {
|
||||
|
||||
private Logger log = LoggerFactory.getLogger(LdapAuthProvider.class);
|
||||
|
||||
private String getUidAttribute() {
|
||||
return getCfg().getAttribute().getUid().getValue();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isEnabled() {
|
||||
return getCfg().isEnabled();
|
||||
}
|
||||
|
||||
@Override
|
||||
public BackendAuthResult authenticate(_MatrixID mxid, String password) {
|
||||
log.info("Performing auth for {}", mxid);
|
||||
|
||||
LdapConnection conn = getConn();
|
||||
try {
|
||||
bind(conn);
|
||||
|
||||
String uidType = getCfg().getAttribute().getUid().getType();
|
||||
String userFilterValue = StringUtils.equals(LdapThreePidProvider.UID, uidType) ? mxid.getLocalPart() : mxid.getId();
|
||||
if (StringUtils.isBlank(userFilterValue)) {
|
||||
log.warn("Username is empty, failing auth");
|
||||
return BackendAuthResult.failure();
|
||||
}
|
||||
|
||||
String userFilter = "(" + getCfg().getAttribute().getUid().getValue() + "=" + userFilterValue + ")";
|
||||
if (!StringUtils.isBlank(getCfg().getAuth().getFilter())) {
|
||||
userFilter = "(&" + getCfg().getAuth().getFilter() + userFilter + ")";
|
||||
}
|
||||
EntryCursor cursor = conn.search(getCfg().getConn().getBaseDn(), userFilter, SearchScope.SUBTREE, getUidAttribute(), getCfg().getAttribute().getName());
|
||||
try {
|
||||
while (cursor.next()) {
|
||||
Entry entry = cursor.get();
|
||||
String dn = entry.getDn().getName();
|
||||
log.info("Checking possible match, DN: {}", dn);
|
||||
|
||||
Attribute attribute = entry.get(getUidAttribute());
|
||||
if (attribute == null) {
|
||||
log.info("DN {}: no attribute {}, skpping", dn, getUidAttribute());
|
||||
continue;
|
||||
}
|
||||
|
||||
String data = attribute.get().toString();
|
||||
if (data.length() < 1) {
|
||||
log.info("DN {}: empty attribute {}, skipping", getUidAttribute());
|
||||
continue;
|
||||
}
|
||||
|
||||
log.info("Attempting authentication on LDAP for {}", dn);
|
||||
try {
|
||||
conn.bind(entry.getDn(), password);
|
||||
} catch (LdapException e) {
|
||||
log.info("Unable to bind using {} because {}", entry.getDn().getName(), e.getMessage());
|
||||
return BackendAuthResult.failure();
|
||||
}
|
||||
|
||||
Attribute nameAttribute = entry.get(getCfg().getAttribute().getName());
|
||||
String name = nameAttribute != null ? nameAttribute.get().toString() : null;
|
||||
|
||||
log.info("Authentication successful for {}", entry.getDn().getName());
|
||||
log.info("DN {} is a valid match", dn);
|
||||
|
||||
// TODO should we canonicalize the MXID?
|
||||
return BackendAuthResult.success(mxid.getId(), UserIdType.MatrixID, name);
|
||||
}
|
||||
} catch (CursorLdapReferralException e) {
|
||||
log.warn("Entity for {} is only available via referral, skipping", mxid);
|
||||
} finally {
|
||||
cursor.close();
|
||||
}
|
||||
|
||||
log.info("No match were found for {}", mxid);
|
||||
return BackendAuthResult.failure();
|
||||
} catch (LdapException | IOException | CursorException e) {
|
||||
throw new RuntimeException(e);
|
||||
} finally {
|
||||
try {
|
||||
conn.close();
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
Reference in New Issue
Block a user