1 package org
.argeo
.cms
.internal
.runtime
;
3 import java
.io
.IOException
;
4 import java
.net
.Inet6Address
;
5 import java
.net
.InetAddress
;
7 import java
.net
.URISyntaxException
;
8 import java
.nio
.file
.Files
;
9 import java
.nio
.file
.Path
;
10 import java
.security
.PrivilegedExceptionAction
;
11 import java
.util
.ArrayList
;
12 import java
.util
.Dictionary
;
13 import java
.util
.Iterator
;
14 import java
.util
.Optional
;
17 import javax
.security
.auth
.Subject
;
18 import javax
.security
.auth
.callback
.Callback
;
19 import javax
.security
.auth
.callback
.CallbackHandler
;
20 import javax
.security
.auth
.callback
.NameCallback
;
21 import javax
.security
.auth
.callback
.UnsupportedCallbackException
;
22 import javax
.security
.auth
.kerberos
.KerberosPrincipal
;
23 import javax
.security
.auth
.login
.LoginContext
;
24 import javax
.security
.auth
.login
.LoginException
;
26 import org
.apache
.commons
.httpclient
.auth
.AuthPolicy
;
27 import org
.apache
.commons
.httpclient
.auth
.CredentialsProvider
;
28 import org
.apache
.commons
.httpclient
.params
.DefaultHttpParams
;
29 import org
.apache
.commons
.httpclient
.params
.HttpMethodParams
;
30 import org
.apache
.commons
.httpclient
.params
.HttpParams
;
31 import org
.argeo
.api
.cms
.CmsAuth
;
32 import org
.argeo
.api
.cms
.CmsConstants
;
33 import org
.argeo
.api
.cms
.CmsLog
;
34 import org
.argeo
.cms
.internal
.http
.client
.HttpCredentialProvider
;
35 import org
.argeo
.cms
.internal
.http
.client
.SpnegoAuthScheme
;
36 import org
.argeo
.osgi
.transaction
.WorkControl
;
37 import org
.argeo
.osgi
.transaction
.WorkTransaction
;
38 import org
.argeo
.osgi
.useradmin
.AggregatingUserAdmin
;
39 import org
.argeo
.osgi
.useradmin
.LdapUserAdmin
;
40 import org
.argeo
.osgi
.useradmin
.LdifUserAdmin
;
41 import org
.argeo
.osgi
.useradmin
.OsUserDirectory
;
42 import org
.argeo
.osgi
.useradmin
.UserAdminConf
;
43 import org
.argeo
.osgi
.useradmin
.UserDirectory
;
44 import org
.argeo
.util
.naming
.DnsBrowser
;
45 import org
.ietf
.jgss
.GSSCredential
;
46 import org
.ietf
.jgss
.GSSException
;
47 import org
.ietf
.jgss
.GSSManager
;
48 import org
.ietf
.jgss
.GSSName
;
49 import org
.ietf
.jgss
.Oid
;
50 import org
.osgi
.service
.useradmin
.Authorization
;
51 import org
.osgi
.service
.useradmin
.Group
;
52 import org
.osgi
.service
.useradmin
.Role
;
55 * Aggregates multiple {@link UserDirectory} and integrates them with system
58 public class CmsUserAdmin
extends AggregatingUserAdmin
{
59 private final static CmsLog log
= CmsLog
.getLog(CmsUserAdmin
.class);
62 private Path nodeKeyTab
= KernelUtils
.getOsgiInstancePath(KernelConstants
.NODE_KEY_TAB_PATH
);
63 private GSSCredential acceptorCredentials
;
65 private boolean singleUser
= false;
67 private WorkControl transactionManager
;
68 private WorkTransaction userTransaction
;
70 public CmsUserAdmin() {
71 super(CmsConstants
.ROLES_BASEDN
, CmsConstants
.TOKENS_BASEDN
);
80 public UserDirectory
enableUserDirectory(Dictionary
<String
, ?
> properties
) {
81 String uri
= (String
) properties
.get(UserAdminConf
.uri
.name());
82 Object realm
= properties
.get(UserAdminConf
.realm
.name());
86 String baseDn
= (String
) properties
.get(UserAdminConf
.baseDn
.name());
87 u
= KernelUtils
.getOsgiInstanceUri(KernelConstants
.DIR_NODE
+ '/' + baseDn
+ ".ldif");
88 } else if (realm
!= null) {
93 } catch (URISyntaxException e
) {
94 throw new IllegalArgumentException("Badly formatted URI " + uri
, e
);
98 UserDirectory userDirectory
;
99 if (realm
!= null || UserAdminConf
.SCHEME_LDAP
.equals(u
.getScheme())
100 || UserAdminConf
.SCHEME_LDAPS
.equals(u
.getScheme())) {
101 userDirectory
= new LdapUserAdmin(properties
);
102 } else if (UserAdminConf
.SCHEME_FILE
.equals(u
.getScheme())) {
103 userDirectory
= new LdifUserAdmin(u
, properties
);
104 } else if (UserAdminConf
.SCHEME_OS
.equals(u
.getScheme())) {
105 userDirectory
= new OsUserDirectory(u
, properties
);
108 throw new IllegalArgumentException("Unsupported scheme " + u
.getScheme());
110 String basePath
= userDirectory
.getContext();
112 addUserDirectory(userDirectory
);
113 if (isSystemRolesBaseDn(basePath
)) {
114 addStandardSystemRoles();
116 if (log
.isDebugEnabled()) {
117 log
.debug("User directory " + userDirectory
.getContext() + (u
!= null ?
" [" + u
.getScheme() + "]" : "")
118 + " enabled." + (realm
!= null ?
" " + realm
+ " realm." : ""));
120 return userDirectory
;
123 protected void addStandardSystemRoles() {
124 // we assume UserTransaction is already available (TODO make it more robust)
126 userTransaction
.begin();
127 Role adminRole
= getRole(CmsConstants
.ROLE_ADMIN
);
128 if (adminRole
== null) {
129 adminRole
= createRole(CmsConstants
.ROLE_ADMIN
, Role
.GROUP
);
131 if (getRole(CmsConstants
.ROLE_USER_ADMIN
) == null) {
132 Group userAdminRole
= (Group
) createRole(CmsConstants
.ROLE_USER_ADMIN
, Role
.GROUP
);
133 userAdminRole
.addMember(adminRole
);
135 userTransaction
.commit();
136 } catch (Exception e
) {
138 userTransaction
.rollback();
139 } catch (Exception e1
) {
142 throw new IllegalStateException("Cannot add standard system roles", e
);
147 protected void addAbstractSystemRoles(Authorization rawAuthorization
, Set
<String
> sysRoles
) {
148 if (rawAuthorization
.getName() == null) {
149 sysRoles
.add(CmsConstants
.ROLE_ANONYMOUS
);
151 sysRoles
.add(CmsConstants
.ROLE_USER
);
156 protected void postAdd(UserDirectory userDirectory
) {
157 userDirectory
.setTransactionControl(transactionManager
);
159 Optional
<String
> realm
= userDirectory
.getRealm();
160 if (realm
.isPresent()) {
161 if (Files
.exists(nodeKeyTab
)) {
162 String servicePrincipal
= getKerberosServicePrincipal(realm
.get());
163 if (servicePrincipal
!= null) {
164 CallbackHandler callbackHandler
= new CallbackHandler() {
166 public void handle(Callback
[] callbacks
) throws IOException
, UnsupportedCallbackException
{
167 for (Callback callback
: callbacks
)
168 if (callback
instanceof NameCallback
)
169 ((NameCallback
) callback
).setName(servicePrincipal
);
174 LoginContext nodeLc
= new LoginContext(CmsAuth
.LOGIN_CONTEXT_NODE
, callbackHandler
);
176 acceptorCredentials
= logInAsAcceptor(nodeLc
.getSubject(), servicePrincipal
);
177 } catch (LoginException e
) {
178 throw new IllegalStateException("Cannot log in kernel", e
);
183 // Register client-side SPNEGO auth scheme
184 AuthPolicy
.registerAuthScheme(SpnegoAuthScheme
.NAME
, SpnegoAuthScheme
.class);
185 HttpParams params
= DefaultHttpParams
.getDefaultParams();
186 ArrayList
<String
> schemes
= new ArrayList
<>();
187 schemes
.add(SpnegoAuthScheme
.NAME
);// SPNEGO preferred
188 // schemes.add(AuthPolicy.BASIC);// incompatible with Basic
189 params
.setParameter(AuthPolicy
.AUTH_SCHEME_PRIORITY
, schemes
);
190 params
.setParameter(CredentialsProvider
.PROVIDER
, new HttpCredentialProvider());
191 params
.setParameter(HttpMethodParams
.COOKIE_POLICY
, KernelConstants
.COOKIE_POLICY_BROWSER_COMPATIBILITY
);
192 // params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
197 protected void preDestroy(UserDirectory userDirectory
) {
198 Optional
<String
> realm
= userDirectory
.getRealm();
199 if (realm
.isPresent()) {
200 if (acceptorCredentials
!= null) {
202 acceptorCredentials
.dispose();
203 } catch (GSSException e
) {
206 acceptorCredentials
= null;
211 private String
getKerberosServicePrincipal(String realm
) {
213 try (DnsBrowser dnsBrowser
= new DnsBrowser()) {
214 InetAddress localhost
= InetAddress
.getLocalHost();
215 hostname
= localhost
.getHostName();
216 String dnsZone
= hostname
.substring(hostname
.indexOf('.') + 1);
217 String ipfromDns
= dnsBrowser
.getRecord(hostname
, localhost
instanceof Inet6Address ?
"AAAA" : "A");
218 boolean consistentIp
= localhost
.getHostAddress().equals(ipfromDns
);
219 String kerberosDomain
= dnsBrowser
.getRecord("_kerberos." + dnsZone
, "TXT");
220 if (consistentIp
&& kerberosDomain
!= null && kerberosDomain
.equals(realm
) && Files
.exists(nodeKeyTab
)) {
221 return KernelConstants
.DEFAULT_KERBEROS_SERVICE
+ "/" + hostname
+ "@" + kerberosDomain
;
224 } catch (Exception e
) {
225 log
.warn("Exception when determining kerberos principal", e
);
230 private GSSCredential
logInAsAcceptor(Subject subject
, String servicePrincipal
) {
231 // not static because class is not supported by Android
232 final Oid KERBEROS_OID
;
234 KERBEROS_OID
= new Oid("1.3.6.1.5.5.2");
235 } catch (GSSException e
) {
236 throw new IllegalStateException("Cannot create Kerberos OID", e
);
239 Iterator
<KerberosPrincipal
> krb5It
= subject
.getPrincipals(KerberosPrincipal
.class).iterator();
240 if (!krb5It
.hasNext())
242 KerberosPrincipal krb5Principal
= null;
243 while (krb5It
.hasNext()) {
244 KerberosPrincipal principal
= krb5It
.next();
245 if (principal
.getName().equals(servicePrincipal
))
246 krb5Principal
= principal
;
249 if (krb5Principal
== null)
252 GSSManager manager
= GSSManager
.getInstance();
254 GSSName gssName
= manager
.createName(krb5Principal
.getName(), null);
255 GSSCredential serverCredentials
= Subject
.doAs(subject
, new PrivilegedExceptionAction
<GSSCredential
>() {
258 public GSSCredential
run() throws GSSException
{
259 return manager
.createCredential(gssName
, GSSCredential
.INDEFINITE_LIFETIME
, KERBEROS_OID
,
260 GSSCredential
.ACCEPT_ONLY
);
265 if (log
.isDebugEnabled())
266 log
.debug("GSS acceptor configured for " + krb5Principal
);
267 return serverCredentials
;
268 } catch (Exception gsse
) {
269 throw new IllegalStateException("Cannot create acceptor credentials for " + krb5Principal
, gsse
);
273 public GSSCredential
getAcceptorCredentials() {
274 return acceptorCredentials
;
277 public boolean hasAcceptorCredentials() {
278 return acceptorCredentials
!= null;
281 public boolean isSingleUser() {
285 public void setTransactionManager(WorkControl transactionManager
) {
286 this.transactionManager
= transactionManager
;
289 public void setUserTransaction(WorkTransaction userTransaction
) {
290 this.userTransaction
= userTransaction
;