Introduce RAP anonymous

[lgpl/argeo-commons.git] / security / plugins / org.argeo.security.equinox / src / main / java / org / argeo / security / equinox / SpringLoginModule.java

diff --git a/security/plugins/org.argeo.security.equinox/src/main/java/org/argeo/security/equinox/SpringLoginModule.java b/security/plugins/org.argeo.security.equinox/src/main/java/org/argeo/security/equinox/SpringLoginModule.java
index 71ce5715bc937f5d6a4d310d913aa24af8c3da71..4d0cb6de65aaeb9124f766c4c213f97a15996c66 100644 (file)
--- a/security/plugins/org.argeo.security.equinox/src/main/java/org/argeo/security/equinox/SpringLoginModule.java
+++ b/security/plugins/org.argeo.security.equinox/src/main/java/org/argeo/security/equinox/SpringLoginModule.java
@@ -1,6 +1,7 @@
 package org.argeo.security.equinox;
 
 import java.util.Map;
+import java.util.UUID;
 
 import javax.security.auth.Subject;
 import javax.security.auth.callback.Callback;
@@ -15,7 +16,10 @@ import org.argeo.security.NodeAuthenticationToken;
 import org.springframework.security.Authentication;
 import org.springframework.security.AuthenticationManager;
 import org.springframework.security.BadCredentialsException;
+import org.springframework.security.GrantedAuthority;
+import org.springframework.security.GrantedAuthorityImpl;
 import org.springframework.security.context.SecurityContextHolder;
+import org.springframework.security.providers.anonymous.AnonymousAuthenticationToken;
 import org.springframework.security.providers.jaas.SecurityContextLoginModule;
 
 /** Login module which caches one subject per thread. */
@@ -33,6 +37,10 @@ public class SpringLoginModule extends SecurityContextLoginModule {
        private Long waitBetweenFailedLoginAttempts = 5 * 1000l;
 
        private Boolean remote = false;
+       private Boolean anonymous = false;
+
+       private String key = null;
+       private String anonymousRole = "ROLE_ANONYMOUS";
 
        public SpringLoginModule() {
 
@@ -52,6 +60,10 @@ public class SpringLoginModule extends SecurityContextLoginModule {
                        if (SecurityContextHolder.getContext().getAuthentication() != null)
                                return super.login();
 
+                       if (remote && anonymous)
+                               throw new LoginException(
+                                               "Cannot have a Spring login module which is remote and anonymous");
+
                        // reset all principals and credentials
                        if (log.isTraceEnabled())
                                log.trace("Resetting all principals and credentials of "
@@ -63,6 +75,20 @@ public class SpringLoginModule extends SecurityContextLoginModule {
                        if (subject.getPublicCredentials() != null)
                                subject.getPublicCredentials().clear();
 
+                       // deals first with public access since it's simple
+                       if (anonymous) {
+                               // TODO integrate with JCR?
+                               Object principal = UUID.randomUUID().toString();
+                               GrantedAuthority[] authorities = { new GrantedAuthorityImpl(
+                                               anonymousRole) };
+                               AnonymousAuthenticationToken anonymousToken = new AnonymousAuthenticationToken(
+                                               key, principal, authorities);
+                               Authentication auth = authenticationManager
+                                               .authenticate(anonymousToken);
+                               registerAuthentication(auth);
+                               return super.login();
+                       }
+
                        if (callbackHandler == null)
                                throw new LoginException("No call back handler available");
 
@@ -154,7 +180,26 @@ public class SpringLoginModule extends SecurityContextLoginModule {
                this.authenticationManager = authenticationManager;
        }
 
+       /** Authenticates on a remote node */
        public void setRemote(Boolean remote) {
                this.remote = remote;
        }
+
+       /**
+        * Request anonymous authentication (incompatible with remote)
+        */
+       public void setAnonymous(Boolean anonymous) {
+               this.anonymous = anonymous;
+       }
+
+       /** Role identifying an anonymous user */
+       public void setAnonymousRole(String anonymousRole) {
+               this.anonymousRole = anonymousRole;
+       }
+
+       /** System key */
+       public void setKey(String key) {
+               this.key = key;
+       }
+
 }