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rmani pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ranger.git


The following commit(s) were added to refs/heads/master by this push:
     new 722a660  RANGER-2623:Add Validations to RoleREST apis
722a660 is described below

commit 722a660b214aa9301c18b7f123f2ad689cdccf94
Author: rmani <[email protected]>
AuthorDate: Wed Oct 16 15:47:32 2019 -0700

    RANGER-2623:Add Validations to RoleREST apis
    
    Signed-off-by: rmani <[email protected]>
---
 .../ranger/plugin/errors/ValidationErrorCode.java  |  11 +
 .../model/validation/RangerRoleValidator.java      | 237 +++++++++++++++++++++
 .../plugin/model/validation/RangerValidator.java   |  45 ++++
 .../org/apache/ranger/plugin/store/RoleStore.java  |   4 +
 .../java/org/apache/ranger/biz/RoleDBStore.java    |  12 ++
 .../ranger/common/RangerValidatorFactory.java      |   6 +
 .../main/java/org/apache/ranger/rest/RoleREST.java |  14 ++
 7 files changed, 329 insertions(+)

diff --git 
a/agents-common/src/main/java/org/apache/ranger/plugin/errors/ValidationErrorCode.java
 
b/agents-common/src/main/java/org/apache/ranger/plugin/errors/ValidationErrorCode.java
index 34f41f1..2927362 100644
--- 
a/agents-common/src/main/java/org/apache/ranger/plugin/errors/ValidationErrorCode.java
+++ 
b/agents-common/src/main/java/org/apache/ranger/plugin/errors/ValidationErrorCode.java
@@ -117,6 +117,17 @@ public enum ValidationErrorCode {
     SECURITY_ZONE_VALIDATION_ERR_ZONE_RESOURCE_CONFLICT(3046, "Multiple 
zones:[{0}] match resource:[{1}]"),
     SECURITY_ZONE_VALIDATION_ERR_UNEXPECTED_RESOURCES(3047, "Tag service 
[{0}], with non-empty resources, is associated with security zone"),
 
+    //RANGER ROLE Validations
+    ROLE_VALIDATION_ERR_NULL_RANGER_ROLE_OBJECT(4001, "Internal error: 
RangerRole object passed in was null"),
+    ROLE_VALIDATION_ERR_MISSING_FIELD(4002, "Internal error: missing 
field[{0}]"),
+    ROLE_VALIDATION_ERR_NULL_RANGER_ROLE_NAME(4003, "Internal error: 
RangerRole name passed in was null/empty"),
+    ROLE_VALIDATION_ERR_MISSING_USER_OR_GROUPS_OR_ROLES(4004, "RangerRole 
should contain atleast one user or group or role"),
+    ROLE_VALIDATION_ERR_ROLE_NAME_CONFLICT(4005, "Another RangerRole already 
exists for this name: Role =[{0}]]"),
+    ROLE_VALIDATION_ERR_INVALID_ROLE_ID(4006, "No RangerRole found for 
id[{0}]"),
+    ROLE_VALIDATION_ERR_INVALID_ROLE_NAME(4007, "No RangerRole found for 
name[{0}]"),
+    ROLE_VALIDATION_ERR_UNSUPPORTED_ACTION(4008, "Internal error: method 
signature isValid(Long) is only supported for DELETE"),
+
+
     ;
 
 
diff --git 
a/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerRoleValidator.java
 
b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerRoleValidator.java
new file mode 100644
index 0000000..beeb888
--- /dev/null
+++ 
b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerRoleValidator.java
@@ -0,0 +1,237 @@
+/*
+ * 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.ranger.plugin.model.validation;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.ranger.plugin.errors.ValidationErrorCode;
+import org.apache.ranger.plugin.model.RangerRole;
+import org.apache.ranger.plugin.store.RoleStore;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RangerRoleValidator extends RangerValidator {
+       private static final Log LOG = 
LogFactory.getLog(RangerRoleValidator.class);
+
+       public RangerRoleValidator(RoleStore store) {
+               super(store);
+       }
+
+       public void validate(RangerRole rangeRole, Action action) throws 
Exception {
+               if (LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("==> 
RangerRoleValidator.validate(%s, %s)", rangeRole, action));
+               }
+
+               List<ValidationFailureDetails> failures = new ArrayList<>();
+               boolean valid = isValid(rangeRole, action, failures);
+               String message = "";
+               try {
+                       if (!valid) {
+                               message = serializeFailures(failures);
+                               throw new Exception(message);
+                       }
+               } finally {
+                       if (LOG.isDebugEnabled()) {
+                               LOG.debug(String.format("<== 
RangerRoleValidator.validate(%s, %s): %s, reason[%s]", rangeRole, action, 
valid, message));
+                       }
+               }
+       }
+
+       @Override
+       boolean isValid(Long id, Action action, List<ValidationFailureDetails> 
failures) {
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("==> 
RangerRoleValidator.isValid(%s, %s, %s)", id, action, failures));
+               }
+
+               boolean valid = true;
+               if (action != Action.DELETE) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_UNSUPPORTED_ACTION;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .isAnInternalError()
+                                       .becauseOf(error.getMessage())
+                                       .errorCode(error.getErrorCode())
+                                       .build());
+                       valid = false;
+               } else if (id == null) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_MISSING_FIELD;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .becauseOf("Role id was null/missing")
+                                       .field("id")
+                                       .isMissing()
+                                       .errorCode(error.getErrorCode())
+                                       .becauseOf(error.getMessage(id))
+                                       .build());
+                       valid = false;
+               } else if (!roleExists(id)) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_INVALID_ROLE_ID;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .becauseOf("Role with id[{0}] does not 
exist")
+                                       .field("id")
+                                       .isMissing()
+                                       .errorCode(error.getErrorCode())
+                                       .becauseOf(error.getMessage(id))
+                                       .build());
+                       valid = false;
+               }
+
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("<== 
RangerRoleValidator.isValid(%s, %s, %s): %s", id, action, failures, valid));
+               }
+               return valid;
+       }
+
+
+       @Override
+       boolean isValid(String name, Action action, 
List<ValidationFailureDetails> failures) {
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("==> 
RangerRoleValidator.isValid(%s, %s, %s)", name, action, failures));
+               }
+
+               boolean valid = true;
+               if (action != Action.DELETE) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_UNSUPPORTED_ACTION;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .isAnInternalError()
+                                       .becauseOf(error.getMessage())
+                                       .errorCode(error.getErrorCode())
+                                       .build());
+                       valid = false;
+               } else if (name == null) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_MISSING_FIELD;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .becauseOf("Role name was null/missing")
+                                       .field("id")
+                                       .isMissing()
+                                       .errorCode(error.getErrorCode())
+                                       .becauseOf(error.getMessage(name))
+                                       .build());
+                       valid = false;
+               } else if (!roleExists(name)) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_INVALID_ROLE_NAME;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .becauseOf("Role with name[{0}] does 
not exist")
+                                       .field("name")
+                                       .isMissing()
+                                       .errorCode(error.getErrorCode())
+                                       .becauseOf(error.getMessage(name))
+                                       .build());
+                       valid = false;
+               }
+
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("<== 
RangerRoleValidator.isValid(%s, %s, %s): %s", name, action, failures, valid));
+               }
+               return valid;
+       }
+
+       boolean isValid(RangerRole rangerRole, Action action, 
List<ValidationFailureDetails> failures) {
+               if (LOG.isDebugEnabled()) {
+                       LOG.debug(String.format("==> 
RangerRoleValidator.isValid(%s, %s, %s)", rangerRole, action, failures));
+               }
+
+               boolean valid = true;
+               if (rangerRole == null) {
+                       ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_NULL_RANGER_ROLE_OBJECT;
+                       failures.add(new ValidationFailureDetailsBuilder()
+                                       .isAnInternalError()
+                                       .isMissing()
+                                       .becauseOf(error.getMessage())
+                                       .errorCode(error.getErrorCode())
+                                       .build());
+                       valid = false;
+               } else {
+                       String roleName = rangerRole.getName();
+                       if (StringUtils.isEmpty(roleName)) {
+                               ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_NULL_RANGER_ROLE_NAME;
+                               failures.add(new 
ValidationFailureDetailsBuilder()
+                                               .field("name")
+                                               .isMissing()
+                                               .becauseOf(error.getMessage())
+                                               .errorCode(error.getErrorCode())
+                                               .build());
+                               valid = false;
+                       }
+
+                       List<RangerRole.RoleMember> users  = 
rangerRole.getUsers();
+                       List<RangerRole.RoleMember> groups = 
rangerRole.getGroups();
+                       List<RangerRole.RoleMember> roles  = 
rangerRole.getRoles();
+
+                       if (CollectionUtils.isEmpty(users) && 
CollectionUtils.isEmpty(groups) && CollectionUtils.isEmpty(roles)) {
+                               ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_MISSING_USER_OR_GROUPS_OR_ROLES;
+                               failures.add(new 
ValidationFailureDetailsBuilder()
+                                               .field("users and groups and 
roles")
+                                               .isMissing()
+                                               .becauseOf(error.getMessage())
+                                               .errorCode(error.getErrorCode())
+                                               .build());
+                               valid = false;
+                       }
+
+                       Long id = rangerRole.getId();
+                       RangerRole existingRangerRole = getRangerRole(id);
+
+                       if (action == Action.CREATE) {
+                               if (existingRangerRole != null) {
+                                       String existingRoleName = 
existingRangerRole.getName();
+                                       if (roleName.equals(existingRoleName)) {
+                                               ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_ROLE_NAME_CONFLICT;
+                                               failures.add(new 
ValidationFailureDetailsBuilder()
+                                                               .field("name")
+                                                               
.isSemanticallyIncorrect()
+                                                               
.becauseOf(error.getMessage(existingRoleName))
+                                                               
.errorCode(error.getErrorCode())
+                                                               .build());
+                                               valid = false;
+                                       }
+                               }
+                       } else  if (action == Action.UPDATE) { // id is ignored 
for CREATE
+                                       if (id == null) {
+                                               ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_MISSING_FIELD;
+                                               failures.add(new 
ValidationFailureDetailsBuilder()
+                                                               .field("id")
+                                                               .isMissing()
+                                                               
.becauseOf(error.getMessage(id))
+                                                               
.errorCode(error.getErrorCode())
+                                                               .build());
+                                               valid = false;
+                                       }
+                                       if (existingRangerRole == null) {
+                                               ValidationErrorCode error = 
ValidationErrorCode.ROLE_VALIDATION_ERR_INVALID_ROLE_ID;
+                                               failures.add(new 
ValidationFailureDetailsBuilder()
+                                                               .field("id")
+                                                               
.isSemanticallyIncorrect()
+                                                               
.becauseOf(error.getMessage(id))
+                                                               
.errorCode(error.getErrorCode())
+                                                               .build());
+                                               valid = false;
+                                       }
+                               }
+                       }
+
+                       if (LOG.isDebugEnabled()) {
+                               LOG.debug(String.format("<== 
RangerRoleValidator.isValid(%s, %s, %s): %s", rangerRole, action, failures, 
valid));
+                       }
+
+               return valid;
+       }
+}
diff --git 
a/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java
 
b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java
index f31483e..74653b2 100644
--- 
a/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java
+++ 
b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java
@@ -36,6 +36,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.plugin.errors.ValidationErrorCode;
 import org.apache.ranger.plugin.model.RangerPolicy;
 import org.apache.ranger.plugin.model.RangerPolicy.RangerPolicyResource;
+import org.apache.ranger.plugin.model.RangerRole;
 import org.apache.ranger.plugin.model.RangerSecurityZone;
 import org.apache.ranger.plugin.model.RangerService;
 import org.apache.ranger.plugin.model.RangerServiceDef;
@@ -44,6 +45,7 @@ import 
org.apache.ranger.plugin.model.RangerServiceDef.RangerEnumDef;
 import org.apache.ranger.plugin.model.RangerServiceDef.RangerEnumElementDef;
 import org.apache.ranger.plugin.model.RangerServiceDef.RangerResourceDef;
 import org.apache.ranger.plugin.model.RangerServiceDef.RangerServiceConfigDef;
+import org.apache.ranger.plugin.store.RoleStore;
 import org.apache.ranger.plugin.store.ServiceStore;
 import org.apache.ranger.plugin.util.RangerObjectFactory;
 
@@ -51,6 +53,7 @@ public abstract class RangerValidator {
        
        private static final Log LOG = LogFactory.getLog(RangerValidator.class);
 
+       RoleStore        _roleStore;
        ServiceStore _store;
        RangerObjectFactory _factory = new RangerObjectFactory();
 
@@ -65,6 +68,13 @@ public abstract class RangerValidator {
                _store = store;
        }
 
+       protected RangerValidator(RoleStore roleStore) {
+               if (roleStore == null) {
+                       throw new IllegalArgumentException("ServiceValidator(): 
store is null!");
+               }
+               _roleStore = roleStore;
+       }
+
        public void validate(Long id, Action action) throws Exception {
                if(LOG.isDebugEnabled()) {
                        LOG.debug("==> RangerValidator.validate(" + id + ")");
@@ -770,4 +780,39 @@ public abstract class RangerValidator {
                }
                return result;
        }
+
+       RangerRole getRangerRole(Long id) {
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug("==> RangerValidator.getRangerRole(" + id + 
")");
+               }
+               RangerRole result = null;
+               try {
+                       result = _roleStore.getRole(id);
+               } catch (Exception e) {
+                       LOG.debug("Encountred exception while retrieving 
RangerRole from RoleStore store!", e);
+               }
+
+               if(LOG.isDebugEnabled()) {
+                       LOG.debug("<== RangerValidator.getRangerRole(" + id + 
"): " + result);
+               }
+               return result;
+       }
+
+       boolean roleExists(Long id) {
+               try {
+                       return _roleStore.roleExists(id);
+               } catch (Exception e) {
+                       LOG.debug("Encountred exception while retrieving 
RangerRole from role store!", e);
+                       return false;
+               }
+       }
+
+       boolean roleExists(String name) {
+               try {
+                       return _roleStore.roleExists(name);
+               } catch (Exception e) {
+                       LOG.debug("Encountred exception while retrieving 
RangerRole from role store!", e);
+                       return false;
+               }
+       }
 }
diff --git 
a/agents-common/src/main/java/org/apache/ranger/plugin/store/RoleStore.java 
b/agents-common/src/main/java/org/apache/ranger/plugin/store/RoleStore.java
index 8bf4603..0cb8f02 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/store/RoleStore.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/store/RoleStore.java
@@ -48,5 +48,9 @@ public interface RoleStore {
     RangerRoles getRangerRoles(String serviceName, Long lastKnownRoleVersion) 
throws Exception;
 
     Long getRoleVersion(String serviceName);
+
+    boolean roleExists(Long id) throws  Exception;
+
+    boolean roleExists(String name) throws Exception;
 }
 
diff --git 
a/security-admin/src/main/java/org/apache/ranger/biz/RoleDBStore.java 
b/security-admin/src/main/java/org/apache/ranger/biz/RoleDBStore.java
index dfc5be8..5d432f8 100644
--- a/security-admin/src/main/java/org/apache/ranger/biz/RoleDBStore.java
+++ b/security-admin/src/main/java/org/apache/ranger/biz/RoleDBStore.java
@@ -312,5 +312,17 @@ public class RoleDBStore implements RoleStore {
     public List<RangerRole> getRoles(XXService service) {
         return service == null ? ListUtils.EMPTY_LIST : 
getRoles(service.getId());
     }
+
+    @Override
+    public boolean roleExists(Long id) throws Exception {
+        XXRole role = daoMgr.getXXRole().findByRoleId(id);
+        return role != null;
+    }
+
+    @Override
+    public boolean roleExists(String name) throws Exception {
+        XXRole role = daoMgr.getXXRole().findByRoleName(name);
+        return role != null;
+    }
 }
 
diff --git 
a/security-admin/src/main/java/org/apache/ranger/common/RangerValidatorFactory.java
 
b/security-admin/src/main/java/org/apache/ranger/common/RangerValidatorFactory.java
index 04c941e..50640f0 100644
--- 
a/security-admin/src/main/java/org/apache/ranger/common/RangerValidatorFactory.java
+++ 
b/security-admin/src/main/java/org/apache/ranger/common/RangerValidatorFactory.java
@@ -23,6 +23,8 @@ import 
org.apache.ranger.plugin.model.validation.RangerPolicyValidator;
 import org.apache.ranger.plugin.model.validation.RangerSecurityZoneValidator;
 import org.apache.ranger.plugin.model.validation.RangerServiceDefValidator;
 import org.apache.ranger.plugin.model.validation.RangerServiceValidator;
+import org.apache.ranger.plugin.model.validation.RangerRoleValidator;
+import org.apache.ranger.plugin.store.RoleStore;
 import org.apache.ranger.plugin.store.SecurityZoneStore;
 import org.apache.ranger.plugin.store.ServiceStore;
 import org.springframework.context.annotation.Scope;
@@ -46,4 +48,8 @@ public class RangerValidatorFactory {
        public RangerSecurityZoneValidator 
getSecurityZoneValidator(ServiceStore store, SecurityZoneStore 
securityZoneStore) {
            return new RangerSecurityZoneValidator(store, securityZoneStore);
     }
+
+       public RangerRoleValidator getRangerRoleValidator(RoleStore roleStore) {
+               return new RangerRoleValidator(roleStore);
+       }
 }
diff --git a/security-admin/src/main/java/org/apache/ranger/rest/RoleREST.java 
b/security-admin/src/main/java/org/apache/ranger/rest/RoleREST.java
index 268c8c4..3156e48 100644
--- a/security-admin/src/main/java/org/apache/ranger/rest/RoleREST.java
+++ b/security-admin/src/main/java/org/apache/ranger/rest/RoleREST.java
@@ -56,6 +56,8 @@ import org.apache.ranger.entity.XXServiceDef;
 import org.apache.ranger.plugin.model.RangerPluginInfo;
 import org.apache.ranger.plugin.model.RangerRole;
 import org.apache.ranger.plugin.model.RangerService;
+import org.apache.ranger.plugin.model.validation.RangerRoleValidator;
+import org.apache.ranger.plugin.model.validation.RangerValidator;
 import org.apache.ranger.plugin.policyengine.RangerPolicyEngine;
 import org.apache.ranger.plugin.store.EmbeddedServiceDefsUtil;
 import org.apache.ranger.plugin.util.GrantRevokeRoleRequest;
@@ -138,6 +140,9 @@ public class RoleREST {
 
         RangerRole ret;
         try {
+            RangerRoleValidator validator = 
validatorFactory.getRangerRoleValidator(roleStore);
+            validator.validate(role, RangerValidator.Action.CREATE);
+
             String userName = role.getCreatedByUser();
             ensureAdminAccess(serviceName, userName);
             if (containsInvalidMember(role.getUsers())) {
@@ -176,6 +181,9 @@ public class RoleREST {
         }
         RangerRole ret;
         try {
+            RangerRoleValidator validator = 
validatorFactory.getRangerRoleValidator(roleStore);
+            validator.validate(role, RangerValidator.Action.UPDATE);
+
             ensureAdminAccess(null, null);
             if (containsInvalidMember(role.getUsers())) {
                 throw new Exception("Invalid role user(s)");
@@ -207,6 +215,9 @@ public class RoleREST {
             LOG.debug("==> deleteRole(user=" + execUser + " name=" + roleName 
+ ")");
         }
         try {
+            RangerRoleValidator validator = 
validatorFactory.getRangerRoleValidator(roleStore);
+            validator.validate(roleName, RangerRoleValidator.Action.DELETE);
+
             ensureAdminAccess(serviceName, execUser);
             roleStore.deleteRole(roleName);
         } catch(WebApplicationException excp) {
@@ -232,6 +243,9 @@ public class RoleREST {
             LOG.debug("==> deleteRole(id=" + roleId + ")");
         }
         try {
+            RangerRoleValidator validator = 
validatorFactory.getRangerRoleValidator(roleStore);
+            validator.validate(roleId, RangerRoleValidator.Action.DELETE);
+
             ensureAdminAccess(null, null);
             roleStore.deleteRole(roleId);
         } catch(WebApplicationException excp) {

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