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Posted to commits@sling.apache.org by ro...@apache.org on 2017/11/07 10:13:54 UTC

[sling-org-apache-sling-serviceusermapper] 04/08: SLING-3854 - Add configuration option to restrict service user mapper to system users

This is an automated email from the ASF dual-hosted git repository.

rombert pushed a commit to annotated tag org.apache.sling.serviceusermapper-1.1.0
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-serviceusermapper.git

commit 3d65ad79c9ed6e186e6274565dd3e3318519f406
Author: Antonio Sanso <as...@apache.org>
AuthorDate: Thu Feb 19 10:30:03 2015 +0000

    SLING-3854 - Add configuration option to restrict service user mapper to system users
    
    git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/bundles/extensions/serviceusermapper@1660832 13f79535-47bb-0310-9956-ffa450edef68
---
 .../serviceusermapping/ServiceUserValidator.java   |  35 +++++++
 .../impl/ServiceUserMapperImpl.java                | 101 +++++++++++++++------
 .../sling/serviceusermapping/package-info.java     |   2 +-
 .../impl/ServiceUserMapperImplTest.java            |  38 ++++++++
 4 files changed, 149 insertions(+), 27 deletions(-)

diff --git a/src/main/java/org/apache/sling/serviceusermapping/ServiceUserValidator.java b/src/main/java/org/apache/sling/serviceusermapping/ServiceUserValidator.java
new file mode 100644
index 0000000..7930582
--- /dev/null
+++ b/src/main/java/org/apache/sling/serviceusermapping/ServiceUserValidator.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sling.serviceusermapping;
+
+import aQute.bnd.annotation.ConsumerType;
+
+/**
+ * The {@code ServiceUserValidator} allows to implement validation of configured
+ * service user mappings.
+ */
+@ConsumerType
+public interface ServiceUserValidator {
+
+    /**
+     * Validates the configured service user ID.
+     *
+     * @param serviceUserId The ID of the configured service user.
+     * @return {@code true} if the configured service user is valid; {@code false} otherwise.
+     */
+    boolean isValid(String serviceUserId, String serviceName, String subServiceName);
+}
\ No newline at end of file
diff --git a/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java b/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
index 02e22f6..914a642 100644
--- a/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
+++ b/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
@@ -23,6 +23,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Vector;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -32,9 +33,11 @@ import org.apache.felix.scr.annotations.PropertyUnbounded;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.ReferencePolicy;
+import org.apache.felix.scr.annotations.References;
 import org.apache.felix.scr.annotations.Service;
 import org.apache.sling.commons.osgi.PropertiesUtil;
 import org.apache.sling.serviceusermapping.ServiceUserMapper;
+import org.apache.sling.serviceusermapping.ServiceUserValidator;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.Constants;
 import org.slf4j.Logger;
@@ -45,11 +48,18 @@ import org.slf4j.LoggerFactory;
         label = "Apache Sling Service User Mapper Service",
         description = "Configuration for the service mapping service names to names of users.")
 @Service(value=ServiceUserMapper.class)
-@Reference(name="amendment",
-           referenceInterface=MappingConfigAmendment.class,
-           cardinality=ReferenceCardinality.OPTIONAL_MULTIPLE,
-           policy=ReferencePolicy.DYNAMIC,
-           updated="updateAmendment")
+@References( {
+    @Reference(name="amendment",
+            referenceInterface=MappingConfigAmendment.class,
+            cardinality=ReferenceCardinality.OPTIONAL_MULTIPLE,
+            policy=ReferencePolicy.DYNAMIC,
+            updated="updateAmendment"),
+    @Reference(name = "serviceUserValidator ", referenceInterface = ServiceUserValidator.class,
+    bind = "bindServiceUserValidator", unbind = "unbindServiceUserValidator",
+    cardinality= ReferenceCardinality.OPTIONAL_MULTIPLE, policy= ReferencePolicy.DYNAMIC)
+
+})
+
 public class ServiceUserMapperImpl implements ServiceUserMapper {
 
     @Property(
@@ -83,6 +93,8 @@ public class ServiceUserMapperImpl implements ServiceUserMapper {
 
     private Mapping[] activeMappings = new Mapping[0];
 
+    private Vector <ServiceUserValidator> validators = new Vector<ServiceUserValidator>();
+
     @Activate
     @Modified
     void configure(final Map<String, Object> config) {
@@ -96,7 +108,7 @@ public class ServiceUserMapperImpl implements ServiceUserMapper {
                     final Mapping mapping = new Mapping(prop.trim());
                     mappings.add(mapping);
                 } catch (final IllegalArgumentException iae) {
-                    log.info("configure: Ignoring '{}': {}", prop, iae.getMessage());
+                    log.error("configure: Ignoring '{}': {}", prop, iae.getMessage());
                 }
             }
         }
@@ -107,31 +119,32 @@ public class ServiceUserMapperImpl implements ServiceUserMapper {
             this.updateMappings();
         }
     }
+    
+    /**
+     * bind the serviceUserValidator
+     * @param serviceUserValidator
+     * @param properties
+     */
+    protected void bindServiceUserValidator(final ServiceUserValidator serviceUserValidator, final Map<String, Object> properties){
+        validators.add(serviceUserValidator);
+    }
+    
+    /**
+     * unbind the serviceUserValidator
+     * @param serviceUserValidator
+     * @param properties
+     */
+    protected void unbindServiceUserValidator(final ServiceUserValidator serviceUserValidator, final Map<String, Object> properties){
+        validators.remove(serviceUserValidator);
+    }
 
     /**
      * @see org.apache.sling.serviceusermapping.ServiceUserMapper#getServiceUserID(org.osgi.framework.Bundle, java.lang.String)
      */
     public String getServiceUserID(final Bundle bundle, final String subServiceName) {
         final String serviceName = bundle.getSymbolicName();
-
-        // try with serviceInfo first
-        for (Mapping mapping : this.activeMappings) {
-            final String user = mapping.map(serviceName, subServiceName);
-            if (user != null) {
-                return user;
-            }
-        }
-
-        // second round without serviceInfo
-        for (Mapping mapping : this.activeMappings) {
-            final String user = mapping.map(serviceName, null);
-            if (user != null) {
-                return user;
-            }
-        }
-
-        // finally, fall back to default user
-        return this.defaultUser;
+        final String userId = internalGetUserId(serviceName, subServiceName);
+        return isValidUser(userId, serviceName, subServiceName) ? userId : null;
     }
 
     protected void bindAmendment(final MappingConfigAmendment amendment, final Map<String, Object> props) {
@@ -147,7 +160,7 @@ public class ServiceUserMapperImpl implements ServiceUserMapper {
         synchronized ( this.amendments ) {
             if ( amendments.remove(key) != null ) {
                 this.updateMappings();
-            };
+            }
         }
 
     }
@@ -174,5 +187,41 @@ public class ServiceUserMapperImpl implements ServiceUserMapper {
         }
         activeMappings = mappings.toArray(new Mapping[mappings.size()]);
     }
+
+    private String internalGetUserId(String serviceName, String subServiceName) {
+        // try with serviceInfo first
+        for (Mapping mapping : this.activeMappings) {
+            final String userId = mapping.map(serviceName, subServiceName);
+            if (userId != null) {
+                return userId;
+            }
+        }
+
+        // second round without serviceInfo
+        for (Mapping mapping : this.activeMappings) {
+            final String userId = mapping.map(serviceName, null);
+            if (userId != null) {
+                return userId;
+            }
+        }
+
+        // finally, fall back to default user
+        return this.defaultUser;
+    }
+
+    private boolean isValidUser(String userId, String serviceName, String subServiceName) {
+        if (userId == null) {
+            return false;
+        }
+        if (validators != null && validators.size() > 0) {
+            for (ServiceUserValidator validator : validators) {
+                boolean valid = validator.isValid(userId, serviceName, subServiceName);
+                if (!valid) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
 }
 
diff --git a/src/main/java/org/apache/sling/serviceusermapping/package-info.java b/src/main/java/org/apache/sling/serviceusermapping/package-info.java
index 3ebac13..c05c7ae 100644
--- a/src/main/java/org/apache/sling/serviceusermapping/package-info.java
+++ b/src/main/java/org/apache/sling/serviceusermapping/package-info.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-@Version("1.0")
+@Version("1.1")
 @Export(optional = "provide:=true")
 package org.apache.sling.serviceusermapping;
 
diff --git a/src/test/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImplTest.java b/src/test/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImplTest.java
index 2a98a45..ca5ba7f 100644
--- a/src/test/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImplTest.java
+++ b/src/test/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImplTest.java
@@ -25,6 +25,7 @@ import java.util.Map;
 import junit.framework.TestCase;
 
 import org.apache.sling.commons.testing.osgi.MockBundle;
+import org.apache.sling.serviceusermapping.ServiceUserValidator;
 import org.junit.Test;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.Constants;
@@ -100,6 +101,43 @@ public class ServiceUserMapperImplTest {
         TestCase.assertEquals(SAMPLE_SUB, sum.getServiceUserID(BUNDLE1, SUB));
         TestCase.assertEquals(ANOTHER_SUB, sum.getServiceUserID(BUNDLE2, SUB));
     }
+    
+    @Test
+    public void test_getServiceUserID_WithServiceUserValidator() {
+        @SuppressWarnings("serial")
+        Map<String, Object> config = new HashMap<String, Object>() {
+            {
+                put("user.mapping", new String[] {
+                    BUNDLE_SYMBOLIC1 + "=" + SAMPLE, //
+                    BUNDLE_SYMBOLIC2 + "=" + ANOTHER, //
+                    BUNDLE_SYMBOLIC1 + ":" + SUB + "=" + SAMPLE_SUB, //
+                    BUNDLE_SYMBOLIC2 + ":" + SUB + "=" + ANOTHER_SUB //
+                });
+                put("user.default", NONE);
+            }
+        };
+
+        final ServiceUserMapperImpl sum = new ServiceUserMapperImpl();
+        sum.configure(config);
+        ServiceUserValidator serviceUserValidator = new ServiceUserValidator() {
+            
+            public boolean isValid(String serviceUserId, String serviceName,
+                    String subServiceName) {
+                if (SAMPLE.equals(serviceUserId)) {
+                    return false;
+                }
+                return true;
+            }
+        };
+        sum.bindServiceUserValidator(serviceUserValidator, null);
+
+        TestCase.assertEquals(null, sum.getServiceUserID(BUNDLE1, null));
+        TestCase.assertEquals(ANOTHER, sum.getServiceUserID(BUNDLE2, null));
+        TestCase.assertEquals(null, sum.getServiceUserID(BUNDLE1, ""));
+        TestCase.assertEquals(ANOTHER, sum.getServiceUserID(BUNDLE2, ""));
+        TestCase.assertEquals(SAMPLE_SUB, sum.getServiceUserID(BUNDLE1, SUB));
+        TestCase.assertEquals(ANOTHER_SUB, sum.getServiceUserID(BUNDLE2, SUB));
+    }
 
     @Test
     public void test_amendment() {

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