001/**
002 * Copyright 2005-2017 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.kim.lookup;
017
018import org.apache.commons.collections.CollectionUtils;
019import org.apache.commons.collections.Predicate;
020import org.apache.commons.lang.StringUtils;
021import org.kuali.rice.core.api.criteria.QueryByCriteria;
022import org.kuali.rice.kim.api.KimConstants;
023import org.kuali.rice.kim.api.group.Group;
024import org.kuali.rice.kim.api.group.GroupQueryResults;
025import org.kuali.rice.kim.api.identity.entity.Entity;
026import org.kuali.rice.kim.api.identity.entity.EntityQueryResults;
027import org.kuali.rice.kim.api.identity.principal.Principal;
028import org.kuali.rice.kim.api.services.KimApiServiceLocator;
029import org.kuali.rice.kim.impl.role.RoleBo;
030import org.kuali.rice.kim.impl.role.RoleMemberBo;
031import org.kuali.rice.kns.web.ui.Field;
032import org.kuali.rice.kns.web.ui.Row;
033import org.kuali.rice.krad.bo.BusinessObject;
034import org.kuali.rice.krad.lookup.CollectionIncomplete;
035import org.kuali.rice.krad.util.KRADPropertyConstants;
036
037import java.sql.Timestamp;
038import java.util.ArrayList;
039import java.util.Arrays;
040import java.util.HashMap;
041import java.util.Iterator;
042import java.util.List;
043import java.util.Map;
044
045import static org.kuali.rice.core.api.criteria.PredicateFactory.and;
046import static org.kuali.rice.core.api.criteria.PredicateFactory.like;
047
048public abstract class RoleMemberLookupableHelperServiceImpl extends KimLookupableHelperServiceImpl {
049
050        protected static final String DETAIL_CRITERIA = "detailCriteria";
051        protected static final String WILDCARD = "*";
052    protected static final String TEMPLATE_NAMESPACE_CODE = "template." + KimConstants.UniqueKeyConstants.NAMESPACE_CODE;
053    protected static final String TEMPLATE_NAME = "template.name";
054    protected static final String TEMPLATE_ID = "template.id";
055    protected static final String NAMESPACE_CODE = KimConstants.UniqueKeyConstants.NAMESPACE_CODE;
056    protected static final String NAME = "name";
057    protected static final String GROUP_NAME = KimConstants.UniqueKeyConstants.GROUP_NAME;
058    protected static final String ASSIGNED_TO_PRINCIPAL_NAME = "assignedToPrincipal.principalName";
059    protected static final String ASSIGNED_TO_GROUP_NAMESPACE_CODE = "assignedToGroupNamespaceForLookup";
060    protected static final String ASSIGNED_TO_GROUP_NAME = "assignedToGroup." + KimConstants.UniqueKeyConstants.GROUP_NAME;
061    protected static final String ASSIGNED_TO_NAMESPACE_FOR_LOOKUP = "assignedToRoleNamespaceForLookup";
062    protected static final String ASSIGNED_TO_ROLE_NAME = "assignedToRole." + KimConstants.UniqueKeyConstants.ROLE_NAME;
063    protected static final String ATTRIBUTE_NAME = "attributeName";
064    protected static final String ATTRIBUTE_VALUE = "attributeValue";
065    protected static final String ASSIGNED_TO_ROLE_NAMESPACE_CODE = KimConstants.UniqueKeyConstants.NAMESPACE_CODE;
066    protected static final String ASSIGNED_TO_ROLE_ROLE_NAME = KimConstants.UniqueKeyConstants.ROLE_NAME;
067    protected static final String ASSIGNED_TO_ROLE_MEMBER_ID = "members.memberId";
068    protected static final String DETAIL_OBJECTS_ATTRIBUTE_VALUE = "attributeDetails.attributeValue";
069    protected static final String DETAIL_OBJECTS_ATTRIBUTE_NAME = "attributeDetails.kimAttribute.attributeName";
070    
071    @Override
072    protected List<? extends BusinessObject> getSearchResultsHelper(Map<String, String> fieldValues, boolean unbounded) {
073        Map<String, String> searchCriteria = buildRoleSearchCriteria(fieldValues);
074        if(searchCriteria == null) {
075                return new ArrayList<BusinessObject>();
076        }
077        return getMemberSearchResults(fieldValues, unbounded);
078    }
079
080    protected abstract List<? extends BusinessObject> getMemberSearchResults(Map<String, String> searchCriteria, boolean unbounded);
081    
082    protected Map<String, String> buildSearchCriteria(Map<String, String> fieldValues){
083        String templateNamespaceCode = fieldValues.get(TEMPLATE_NAMESPACE_CODE);
084        String templateName = fieldValues.get(TEMPLATE_NAME);
085        String templateId = fieldValues.get(TEMPLATE_ID);
086        String namespaceCode = fieldValues.get(NAMESPACE_CODE);
087        String name = fieldValues.get(NAME);
088        String attributeDetailValue = fieldValues.get(ATTRIBUTE_VALUE);
089        String attributeDetailName = fieldValues.get(ATTRIBUTE_NAME);
090        String detailCriteria = fieldValues.get( DETAIL_CRITERIA );
091        String active = fieldValues.get( KRADPropertyConstants.ACTIVE );
092
093        Map<String,String> searchCriteria = new HashMap<String, String>();
094        if(StringUtils.isNotEmpty(templateNamespaceCode)) {
095                searchCriteria.put(TEMPLATE_NAMESPACE_CODE, WILDCARD+templateNamespaceCode+WILDCARD);
096        }
097        if(StringUtils.isNotEmpty(templateName)) {
098                searchCriteria.put(TEMPLATE_NAME, WILDCARD+templateName+WILDCARD);
099        }
100        if(StringUtils.isNotEmpty(templateId)) {
101            searchCriteria.put(TEMPLATE_ID, templateId);
102        }
103        if(StringUtils.isNotEmpty(namespaceCode)) {
104                searchCriteria.put(NAMESPACE_CODE, WILDCARD+namespaceCode+WILDCARD);
105        }
106        if(StringUtils.isNotEmpty(name)) {
107                searchCriteria.put(NAME, WILDCARD+name+WILDCARD);
108        }
109        if(StringUtils.isNotEmpty(attributeDetailValue)) {
110                searchCriteria.put(DETAIL_OBJECTS_ATTRIBUTE_VALUE, WILDCARD+attributeDetailValue+WILDCARD);
111        }
112        if(StringUtils.isNotEmpty(attributeDetailName)) {
113                searchCriteria.put(DETAIL_OBJECTS_ATTRIBUTE_NAME, WILDCARD+attributeDetailName+WILDCARD);
114        }
115        if ( StringUtils.isNotBlank( detailCriteria ) ) {
116                searchCriteria.put(DETAIL_CRITERIA, detailCriteria);
117        }
118        if ( StringUtils.isNotBlank( active ) ) {
119                searchCriteria.put(KRADPropertyConstants.ACTIVE, active);
120        }
121
122        return searchCriteria;
123    }
124    
125    protected String getQueryString(String parameter){
126        if(StringUtils.isEmpty(parameter)) {
127                return WILDCARD;
128        }
129        else {
130                return WILDCARD+parameter+WILDCARD;
131        }
132    }
133    
134    @SuppressWarnings({ "unchecked" })
135        protected Map<String, String> buildRoleSearchCriteria(Map<String, String> fieldValues){
136        String assignedToPrincipalName = fieldValues.get(ASSIGNED_TO_PRINCIPAL_NAME);
137        Map<String, String> searchCriteria;
138        List<Principal> principals = new ArrayList<Principal>();
139
140        if(StringUtils.isNotEmpty(assignedToPrincipalName)) { // if a principal name is specified in the search
141            // KULRICE-9153: Analyze IU patch for preventing role member lookup from causing out of memory exceptions
142            // Changing to exact match on principal name to prevent blowing up Rice by loading every user into memory
143            if (assignedToPrincipalName.contains("*")) {
144                return null; // bail out, wild cards are not allowed since
145                             // IdentityServiceImpl.getPrincipalByPrincipalName has weird behavior around wildcards
146            }
147
148            Principal principal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(assignedToPrincipalName);
149
150            if (principal == null) {
151                return null; // bail out, if no principal matched and a principal name was supplied, then there will be
152                             // no valid matching roles.
153            }
154
155            principals.add(principal);
156        }
157
158        String assignedToGroupNamespaceCode = fieldValues.get(ASSIGNED_TO_GROUP_NAMESPACE_CODE);
159        String assignedToGroupName = fieldValues.get(ASSIGNED_TO_GROUP_NAME);
160        List<Group> groups = null;
161        if(StringUtils.isNotEmpty(assignedToGroupNamespaceCode) && StringUtils.isEmpty(assignedToGroupName) ||
162                        StringUtils.isEmpty(assignedToGroupNamespaceCode) && StringUtils.isNotEmpty(assignedToGroupName) ||
163                        StringUtils.isNotEmpty(assignedToGroupNamespaceCode) && StringUtils.isNotEmpty(assignedToGroupName)){
164            QueryByCriteria.Builder builder = QueryByCriteria.Builder.create();
165                builder.setPredicates(and(
166                            like(NAMESPACE_CODE, getQueryString(assignedToGroupNamespaceCode)),
167                            like(GROUP_NAME, getQueryString(assignedToGroupName))));
168                GroupQueryResults qr = KimApiServiceLocator.getGroupService().findGroups(builder.build());
169                if (qr.getResults() == null || qr.getResults().isEmpty()) {
170                        return null;
171            }
172            groups = qr.getResults();
173        }
174
175        String assignedToRoleNamespaceCode = fieldValues.get(ASSIGNED_TO_NAMESPACE_FOR_LOOKUP);
176        String assignedToRoleName = fieldValues.get(ASSIGNED_TO_ROLE_NAME);
177
178        searchCriteria = new HashMap<String, String>();
179        if (StringUtils.isNotEmpty(assignedToRoleNamespaceCode)) {
180                searchCriteria.put(ASSIGNED_TO_ROLE_NAMESPACE_CODE, WILDCARD+assignedToRoleNamespaceCode+WILDCARD);
181        }
182        if(StringUtils.isNotEmpty(assignedToRoleName)) {
183                searchCriteria.put(ASSIGNED_TO_ROLE_ROLE_NAME, WILDCARD+assignedToRoleName+WILDCARD);
184        }
185
186        StringBuffer memberQueryString = null;
187        if(!principals.isEmpty()) {
188                memberQueryString = new StringBuffer();
189                for(Principal principal: principals){
190                        memberQueryString.append(principal.getPrincipalId()+KimConstants.KimUIConstants.OR_OPERATOR);
191                }
192            if(memberQueryString.toString().endsWith(KimConstants.KimUIConstants.OR_OPERATOR)) {
193                memberQueryString.delete(memberQueryString.length()-KimConstants.KimUIConstants.OR_OPERATOR.length(), memberQueryString.length());
194            }
195        }
196        if(groups!=null){
197                if(memberQueryString==null) {
198                        memberQueryString = new StringBuffer();
199            }
200                else if(StringUtils.isNotEmpty(memberQueryString.toString())) {
201                        memberQueryString.append(KimConstants.KimUIConstants.OR_OPERATOR);
202            }
203                for(Group group: groups){
204                        memberQueryString.append(group.getId()+KimConstants.KimUIConstants.OR_OPERATOR);
205                }
206            if(memberQueryString.toString().endsWith(KimConstants.KimUIConstants.OR_OPERATOR)) {
207                memberQueryString.delete(memberQueryString.length()-KimConstants.KimUIConstants.OR_OPERATOR.length(), memberQueryString.length());
208            }
209                searchCriteria.put(ASSIGNED_TO_ROLE_MEMBER_ID, memberQueryString.toString());
210        }
211        if (memberQueryString!=null && StringUtils.isNotEmpty(memberQueryString.toString())) {
212                searchCriteria.put(ASSIGNED_TO_ROLE_MEMBER_ID, memberQueryString.toString());
213        }
214
215        return searchCriteria;
216    }
217
218    
219    /** Checks whether the 2nd map is a subset of the first. */
220        protected boolean isMapSubset( Map<String, String> mainMap, Map<String, String> subsetMap ) {
221                for ( Map.Entry<String, String> keyValue : subsetMap.entrySet() ) {
222                        if ( !mainMap.containsKey(keyValue.getKey()) 
223                                        || !StringUtils.equals( mainMap.get(keyValue.getKey()), keyValue.getValue() ) ) {
224//                              if ( LOG.isDebugEnabled() ) {
225//                                      LOG.debug( "Maps did not match:\n" + mainMap + "\n" + subsetMap );
226//                              }
227                                return false;
228                        }
229                }
230//              if ( LOG.isDebugEnabled() ) {
231//                      LOG.debug( "Maps matched:\n" + mainMap + "\n" + subsetMap );
232//              }
233                return true;
234        }
235
236        /** Converts a special criteria string that is in the form key=value,key2=value2 into a map */
237        protected Map<String, String> parseDetailCriteria( String detailCritiera ) {
238            if ( StringUtils.isBlank(detailCritiera) ) {
239                return new HashMap<String, String>(0);
240            }
241                String[] keyValuePairs = StringUtils.split(detailCritiera, ',');
242                if ( keyValuePairs == null || keyValuePairs.length == 0 ) {
243                    return new HashMap<String, String>(0);
244                }
245                Map<String, String> parsedDetails = new HashMap<String, String>( keyValuePairs.length );
246                for ( String keyValueStr : keyValuePairs ) {
247                        String[] keyValue = StringUtils.split(keyValueStr, '=');
248                        if ( keyValue.length >= 2 ) {
249                                parsedDetails.put(keyValue[0], keyValue[1]);
250                        }
251                }
252                return parsedDetails;
253        }
254        
255        
256        @Override
257        public List<Row> getRows() {
258                List<Row> rows = super.getRows();
259                Iterator<Row> i = rows.iterator();
260                while ( i.hasNext() ) {
261                        Row row = i.next();
262                        int numFieldsRemoved = 0;
263                        boolean rowIsBlank = true;
264                        for (Iterator<Field> fieldIter = row.getFields().iterator(); fieldIter.hasNext();) {
265                                Field field = fieldIter.next();
266                                String propertyName = field.getPropertyName();
267                                if ( propertyName.equals(DETAIL_CRITERIA) ) {
268                                        Object val = getParameters().get( propertyName );
269                                        String propVal = null;
270                                        if ( val != null ) {
271                                                propVal = (val instanceof String)?(String)val:((String[])val)[0];
272                                        }
273                                        if ( StringUtils.isBlank( propVal ) ) {
274                                                fieldIter.remove();
275                                                numFieldsRemoved++;
276                                        } else {
277                                                field.setReadOnly(true);
278                                                rowIsBlank = false;
279                                                // leaving this in would prevent the "clear" button from resetting this value
280//                                              field.setDefaultValue( propVal );
281                                        }
282                                } else if (!Field.BLANK_SPACE.equals(field.getFieldType())) {
283                                        rowIsBlank = false;
284                                }
285                        }
286                        // Check if any fields were removed from the row.
287                        if (numFieldsRemoved > 0) {
288                                // If fields were removed, check whether or not the remainder of the row is empty or only has blank space fields.
289                                if (rowIsBlank) {
290                                        // If so, then remove the row entirely.
291                                        i.remove();
292                                } else {
293                                        // Otherwise, add one blank space for each field that was removed, using a technique similar to FieldUtils.createBlankSpace.
294                                        // It is safe to just add blank spaces as needed, since the removable field is the last of the visible ones in the list (or
295                                        // at least for the Permission and Responsibility lookups).
296                                        while (numFieldsRemoved > 0) {
297                                                Field blankSpace = new Field();
298                                                blankSpace.setFieldType(Field.BLANK_SPACE);
299                                                blankSpace.setPropertyName(Field.BLANK_SPACE);
300                                                row.getFields().add(blankSpace);
301                                                numFieldsRemoved--;
302                                        }
303                                }
304                        }
305                }
306                return rows;
307        }
308    
309        protected Long getActualSizeIfTruncated(List result){
310                Long actualSizeIfTruncated = new Long(0); 
311                if(result instanceof CollectionIncomplete) {
312                        actualSizeIfTruncated = ((CollectionIncomplete)result).getActualSizeIfTruncated();
313        }
314                return actualSizeIfTruncated;
315        }
316        
317        @SuppressWarnings("unchecked")
318        protected List<RoleBo> searchRoles(Map<String, String> roleSearchCriteria, boolean unbounded){
319                List<RoleBo> roles = (List<RoleBo>)getLookupService().findCollectionBySearchHelper(
320                                RoleBo.class, roleSearchCriteria, unbounded);
321                String membersCrt = roleSearchCriteria.get("members.memberId");
322                List<RoleBo> roles2Remove = new ArrayList<RoleBo>();
323                if(StringUtils.isNotBlank(membersCrt)){
324                        List<String> memberSearchIds = new ArrayList<String>();
325                        List<String> memberIds = new ArrayList<String>(); 
326                        if(membersCrt.contains(KimConstants.KimUIConstants.OR_OPERATOR)) {
327                                memberSearchIds = new ArrayList<String>(Arrays.asList(membersCrt.split("\\|")));
328            }
329                        else {
330                                memberSearchIds.add(membersCrt);
331            }
332                        for(RoleBo roleBo : roles){
333                                List<RoleMemberBo> roleMembers = roleBo.getMembers();
334                                memberIds.clear(); 
335                        CollectionUtils.filter(roleMembers, new Predicate() {
336                                        public boolean evaluate(Object object) {
337                                                RoleMemberBo member = (RoleMemberBo) object;
338                                                // keep active member
339                                                return member.isActive(new Timestamp(System.currentTimeMillis()));
340                                        }
341                                });
342                       
343                        if(roleMembers != null && !roleMembers.isEmpty()){
344                                for(RoleMemberBo memberImpl : roleMembers) {
345                                        memberIds.add(memberImpl.getMemberId());
346                    }
347                                if(((List<String>)CollectionUtils.intersection(memberSearchIds, memberIds)).isEmpty()) {
348                                        roles2Remove.add(roleBo);
349                    }
350                        }
351                        else
352                        {
353                                roles2Remove.add(roleBo);
354                        }
355                        }
356                }
357                if(!roles2Remove.isEmpty()) {
358                        roles.removeAll(roles2Remove);
359        }
360                return roles;
361        }
362
363
364}