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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed 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 com.motorolamobility.preflighting.checkers.permissions;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.motorolamobility.preflighting.checkers.CheckerPlugin;
import com.motorolamobility.preflighting.checkers.i18n.CheckerNLS;
import com.motorolamobility.preflighting.core.applicationdata.ApplicationData;
import com.motorolamobility.preflighting.core.applicationdata.XMLElement;
import com.motorolamobility.preflighting.core.checker.condition.CanExecuteConditionStatus;
import com.motorolamobility.preflighting.core.checker.condition.Condition;
import com.motorolamobility.preflighting.core.checker.condition.ICondition;
import com.motorolamobility.preflighting.core.devicespecification.DeviceSpecification;
import com.motorolamobility.preflighting.core.devicespecification.internal.PlatformRules;
import com.motorolamobility.preflighting.core.exception.PreflightingCheckerException;
import com.motorolamobility.preflighting.core.internal.cond.utils.ConditionUtils;
import com.motorolamobility.preflighting.core.utils.XmlUtils;
import com.motorolamobility.preflighting.core.validation.ValidationManagerConfiguration;
import com.motorolamobility.preflighting.core.validation.ValidationResult;
import com.motorolamobility.preflighting.core.validation.ValidationResultData;
public class BlockedPermissionCondition extends Condition implements ICondition
{
private static final String USES_PERMISSION = "uses-permission"; //$NON-NLS-1$
private static final String ANDROID_NAME = "android:name"; //$NON-NLS-1$
/**
* Elements to validate
*/
private XMLElement manifestElement;
private Document manifestDoc;
/*
* (non-Javadoc)
* @see com.motorolamobility.preflighting.core.checker.condition.Condition#canExecute(com.motorolamobility.preflighting.core.applicationdata.ApplicationData, java.util.List)
*/
@Override
public CanExecuteConditionStatus canExecute(ApplicationData data,
List<DeviceSpecification> deviceSpecs) throws PreflightingCheckerException
{
CanExecuteConditionStatus status =
new CanExecuteConditionStatus(IStatus.OK, CheckerPlugin.PLUGIN_ID, "");
manifestElement = data.getManifestElement();
if (manifestElement == null)
{
status =
new CanExecuteConditionStatus(IStatus.ERROR, CheckerPlugin.PLUGIN_ID,
CheckerNLS.Invalid_ManifestFile);
}
else if ((manifestDoc = manifestElement.getDocument()) == null)
{
status =
new CanExecuteConditionStatus(IStatus.ERROR, CheckerPlugin.PLUGIN_ID,
CheckerNLS.Invalid_ManifestFile);
}
status.setConditionId(getId());
return status;
}
/*
* (non-Javadoc)
* @see com.motorolamobility.preflighting.core.checker.condition.Condition#execute(com.motorolamobility.preflighting.core.applicationdata.ApplicationData, java.util.List, com.motorolamobility.preflighting.core.devicespecification.PlatformRules, com.motorolamobility.preflighting.core.validation.ValidationManagerConfiguration)
*/
@Override
public void execute(ApplicationData data, List<DeviceSpecification> deviceSpecs,
ValidationManagerConfiguration valManagerConfig, ValidationResult results)
throws PreflightingCheckerException
{
NodeList permissionsNodeLst = manifestDoc.getElementsByTagName(USES_PERMISSION);
//Extract permissions from manifest
List<String> manifestPermissionsList =
new ArrayList<String>(permissionsNodeLst.getLength());
for (int i = 0; i < permissionsNodeLst.getLength(); i++)
{
Node permissionNode = permissionsNodeLst.item(i);
NamedNodeMap permissionMap = permissionNode.getAttributes();
Node permissionAtr = permissionMap.getNamedItem(ANDROID_NAME);
if ((permissionAtr != null))
{
String permissionId = permissionAtr.getNodeValue().trim();
if (!permissionId.equals("")) //$NON-NLS-1$
{
manifestPermissionsList.add(permissionId);
}
}
}
//analyze permissions node
verifyBlockedPermissions(PlatformRules.getInstance(), valManagerConfig, results,
permissionsNodeLst);
}
private void verifyBlockedPermissions(PlatformRules platformRules,
ValidationManagerConfiguration valManagerConfig, ValidationResult result,
NodeList permissionsLst)
{
for (int i = 0; i < permissionsLst.getLength(); i++)
{
Node permissionNode = permissionsLst.item(i);
NamedNodeMap permissionMap = permissionNode.getAttributes();
Node permissionAtr = permissionMap.getNamedItem(ANDROID_NAME);
if ((permissionAtr != null) && !permissionAtr.getNodeValue().trim().equals("")) //$NON-NLS-1$
{
String permissionId = permissionAtr.getNodeValue();
//if blocked permission, create a result data
if (platformRules.isPermissionBlocked(permissionId))
{
result.addValidationResult(createBlockedPermissionsValidationResult(
permissionNode, permissionId, valManagerConfig));
}
}
}
}
private ValidationResultData createBlockedPermissionsValidationResult(Node permissionNode,
String permissionId, ValidationManagerConfiguration valManagerConfig)
{
ValidationResultData resultData = new ValidationResultData();
resultData.setConditionID(getId());
ArrayList<Integer> lines = new ArrayList<Integer>();
int issuedLine = manifestElement.getNodeLineNumber(permissionNode);
if (issuedLine != -1)
{
lines.add(issuedLine);
}
resultData.addFileToIssueLines(manifestElement.getFile(), lines);
resultData.setIssueDescription(CheckerNLS.bind(
CheckerNLS.UnsecurePermissionsChecker_conditionForbiddenPermission_description,
permissionId));
resultData
.setQuickFixSuggestion(CheckerNLS.UnsecurePermissionsChecker_conditionForbiddenPermission_suggestion);
resultData.setSeverity(getSeverityLevel());
resultData.setInfoURL(ConditionUtils.getDescriptionLink(getChecker().getId(), getId(),
valManagerConfig));
resultData.setPreview(XmlUtils.getXMLNodeAsString(permissionNode, false));
return resultData;
}
}
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