| /******************************************************************************* |
| * 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.ofbiz.minilang.method.conditional; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.ofbiz.base.util.UtilValidate; |
| import org.apache.ofbiz.base.util.UtilXml; |
| import org.apache.ofbiz.base.util.string.FlexibleStringExpander; |
| import org.apache.ofbiz.entity.GenericValue; |
| import org.apache.ofbiz.minilang.MiniLangException; |
| import org.apache.ofbiz.minilang.MiniLangValidate; |
| import org.apache.ofbiz.minilang.SimpleMethod; |
| import org.apache.ofbiz.minilang.artifact.ArtifactInfoContext; |
| import org.apache.ofbiz.minilang.method.MethodContext; |
| import org.apache.ofbiz.minilang.method.MethodOperation; |
| import org.apache.ofbiz.security.Security; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <if-has-permission> element. |
| * |
| * @see <a href="https://cwiki.apache.org/confluence/display/OFBADMIN/Mini+Language+-+minilang+-+simple-method+-+Reference">Mini-language Reference</a> |
| */ |
| public final class HasPermissionCondition extends MethodOperation implements Conditional { |
| |
| private final FlexibleStringExpander actionFse; |
| private final FlexibleStringExpander permissionFse; |
| // Sub-operations are used only when this is a method operation. |
| private final List<MethodOperation> elseSubOps; |
| private final List<MethodOperation> subOps; |
| |
| public HasPermissionCondition(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "permission", "action"); |
| MiniLangValidate.requiredAttributes(simpleMethod, element, "permission"); |
| MiniLangValidate.constantPlusExpressionAttributes(simpleMethod, element, "permission", "action"); |
| } |
| this.permissionFse = FlexibleStringExpander.getInstance(element.getAttribute("permission")); |
| this.actionFse = FlexibleStringExpander.getInstance(element.getAttribute("action")); |
| Element childElement = UtilXml.firstChildElement(element); |
| if (childElement != null && !"else".equals(childElement.getTagName())) { |
| this.subOps = Collections.unmodifiableList(SimpleMethod.readOperations(element, simpleMethod)); |
| } else { |
| this.subOps = null; |
| } |
| Element elseElement = UtilXml.firstChildElement(element, "else"); |
| if (elseElement != null) { |
| this.elseSubOps = Collections.unmodifiableList(SimpleMethod.readOperations(elseElement, simpleMethod)); |
| } else { |
| this.elseSubOps = null; |
| } |
| } |
| |
| @Override |
| public boolean checkCondition(MethodContext methodContext) throws MiniLangException { |
| GenericValue userLogin = methodContext.getUserLogin(); |
| if (userLogin != null) { |
| Security security = methodContext.getSecurity(); |
| String permission = permissionFse.expandString(methodContext.getEnvMap()); |
| String action = actionFse.expandString(methodContext.getEnvMap()); |
| if (!action.isEmpty()) { |
| if (security.hasEntityPermission(permission, action, userLogin)) { |
| return true; |
| } |
| } else { |
| if (security.hasPermission(permission, userLogin)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| if (checkCondition(methodContext)) { |
| if (this.subOps != null) { |
| return SimpleMethod.runSubOps(subOps, methodContext); |
| } |
| } else { |
| if (elseSubOps != null) { |
| return SimpleMethod.runSubOps(elseSubOps, methodContext); |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void gatherArtifactInfo(ArtifactInfoContext aic) { |
| if (this.subOps != null) { |
| for (MethodOperation method : this.subOps) { |
| method.gatherArtifactInfo(aic); |
| } |
| } |
| if (this.elseSubOps != null) { |
| for (MethodOperation method : this.elseSubOps) { |
| method.gatherArtifactInfo(aic); |
| } |
| } |
| } |
| |
| public void prettyPrint(StringBuilder messageBuffer, MethodContext methodContext) { |
| messageBuffer.append("has-permission["); |
| messageBuffer.append(this.permissionFse); |
| if (UtilValidate.isNotEmpty(this.actionFse)) { |
| messageBuffer.append(":"); |
| messageBuffer.append(this.actionFse); |
| } |
| messageBuffer.append("]"); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("<if-has-permission "); |
| if (!this.permissionFse.isEmpty()) { |
| sb.append("permission=\"").append(this.permissionFse).append("\" "); |
| } |
| if (!this.actionFse.isEmpty()) { |
| sb.append("action=\"").append(this.actionFse).append("\" "); |
| } |
| sb.append("/>"); |
| return sb.toString(); |
| } |
| |
| /** |
| * A <if-has-permission> element factory. |
| */ |
| public static final class HasPermissionConditionFactory extends ConditionalFactory<HasPermissionCondition> implements Factory<HasPermissionCondition> { |
| @Override |
| public HasPermissionCondition createCondition(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new HasPermissionCondition(element, simpleMethod); |
| } |
| |
| @Override |
| public HasPermissionCondition createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new HasPermissionCondition(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "if-has-permission"; |
| } |
| } |
| } |