package org.jboss.windup.rules.apps.java.ip;
import static org.joox.JOOX.$;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.LineIterator;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.validator.routines.InetAddressValidator;
import org.jboss.windup.config.AbstractRuleProvider;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.config.loader.RuleLoaderContext;
import org.jboss.windup.config.metadata.RuleMetadata;
import org.jboss.windup.config.operation.iteration.AbstractIterationOperation;
import org.jboss.windup.config.phase.MigrationRulesPhase;
import org.jboss.windup.graph.GraphContext;
import org.jboss.windup.graph.model.FileLocationModel;
import org.jboss.windup.graph.model.resource.SourceFileModel;
import org.jboss.windup.graph.service.GraphService;
import org.jboss.windup.reporting.category.IssueCategoryRegistry;
import org.jboss.windup.reporting.model.ClassificationModel;
import org.jboss.windup.reporting.service.ClassificationService;
import org.jboss.windup.rules.apps.java.model.PropertiesModel;
import org.jboss.windup.rules.apps.xml.model.XmlFileModel;
import org.jboss.windup.rules.files.condition.FileContent;
import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;
import org.ocpsoft.rewrite.config.Rule;
import org.ocpsoft.rewrite.context.EvaluationContext;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* Finds files that contain potential hard-coded IP addresses, determined by regular expression.
*
* @author <a href="mailto:bradsdavis@gmail.com">Brad Davis</a>
* @author <a href="mailto:hotmana76@gmail.com">Marek Novotny</a>
*/
@RuleMetadata(phase = MigrationRulesPhase.class, tags = {"cloud-readiness"})
public class DiscoverHardcodedIPAddressRuleProvider extends AbstractRuleProvider
{
private static final String IP_PATTERN = "(?<![\\w.])\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}(?![\\w.])";
private static final Logger LOG = Logger.getLogger(DiscoverHardcodedIPAddressRuleProvider.class.getSimpleName());
@Override
public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext)
{
return ConfigurationBuilder
.begin()
.addRule()
// for all files ending in java, properties, and xml,
// query for the regular expression {ip}
.when(FileContent.matches("{ip}").inFileNamed("{*}.{type}"))
.perform(new AbstractIterationOperation<FileLocationModel>()
{
// when a result is found, create an inline hint.
// reference the inline hint with the hardcoded ip marker so that we can query for it
// in the hardcoded ip report.
public void perform(GraphRewrite event, EvaluationContext context, FileLocationModel payload)
{
// for all file location models that match the regular expression in the where clause, add
// the IP Location Model to the graph
if (InetAddressValidator.getInstance().isValid(payload.getSourceSnippit()))
{
// if the file is a property file, make sure the line isn't commented out.
if (ignoreLine(event.getGraphContext(), payload))
{
return;
}
if (payload.getFile() instanceof SourceFileModel)
((SourceFileModel) payload.getFile()).setGenerateSourceReport(true);
HardcodedIPLocationModel location = GraphService.addTypeToModel(event.getGraphContext(), payload,
HardcodedIPLocationModel.class);
location.setRuleID(((Rule) context.get(Rule.class)).getId());
location.setTitle("Hard-coded IP Address");
StringBuilder hintBody = new StringBuilder("**Hard-coded IP: ");
hintBody.append(payload.getSourceSnippit());
hintBody.append("**");
hintBody.append("\n\n");
hintBody.append("When migrating environments, hard-coded IP addresses may need to be modified or eliminated.");
location.setHint(hintBody.toString());
//location.setIssueCategory(IssueCategoryRegistry.loadFromGraph(event.getGraphContext(), IssueCategoryRegistry.MANDATORY));
location.setIssueCategory(IssueCategoryRegistry.loadFromGraph(event.getGraphContext(), IssueCategoryRegistry.CLOUD_MANDATORY));
location.setEffort(1);
}
}
})
.where("ip").matches(IP_PATTERN)
.where("type").matches("java|properties|xml")
.withId(getClass().getSimpleName());
}
private boolean ignoreLine(GraphContext context, FileLocationModel model)
{
boolean isPropertiesFile = model.getFile() instanceof PropertiesModel;
int lineNumber = model.getLineNumber();
LineIterator li = null;
try
{
li = FileUtils.lineIterator(model.getFile().asFile());
int i = 0;
while (li.hasNext())
{
i++;
// read the line to memory only if it is the line of interest
if (i == lineNumber)
{
String line = StringUtils.trim(li.next());
// check that it isn't commented.
if (isPropertiesFile && StringUtils.startsWith(line, "#"))
return true;
// WINDUP-808 - Remove matches with "version" or "revision" on the same line
else if (StringUtils.containsIgnoreCase(line, "version") || StringUtils.containsIgnoreCase(line, "revision"))
return true;
else if (isMavenVersionTag(context, model))
return true;
else
return false;
}
else if (i < lineNumber)
{
// seek
li.next();
}
else if (i > lineNumber)
{
LOG.warning("Did not find line: " + lineNumber + " in file: " + model.getFile().getFileName());
break;
}
}
}
catch (IOException | RuntimeException e)
{
LOG.log(Level.WARNING, "Exception reading properties from file: " + model.getFile().getFilePath(), e);
}
finally
{
LineIterator.closeQuietly(li);
}
return false;
}
private boolean isMavenFile(GraphContext context, FileLocationModel model)
{
if (!(model.getFile() instanceof XmlFileModel))
{
return false;
}
ClassificationService cs = new ClassificationService(context);
for (ClassificationModel cm : cs.getClassificationByName(model.getFile(), "Maven POM"))
{
return true;
}
return false;
}
/**
* if this is a maven file, checks to see if "version" tags match the discovered text; if the discovered text does match something in a version
* tag, it is likely a version, not an IP address
*
* @param context
* @param model
* @return
*/
private boolean isMavenVersionTag(GraphContext context, FileLocationModel model)
{
if (isMavenFile(context, model))
{
Document doc = ((XmlFileModel) model.getFile()).asDocument();
for (Element elm : $(doc).find("version"))
{
String text = StringUtils.trim($(elm).text());
if (StringUtils.equals(text, model.getSourceSnippit()))
{
return true;
}
}
}
return false;
}
}