/**
* This method is invoked when the builtin is called in a rule body.
*
* @param args the array of argument values for the builtin, this is an array of Nodes, some of
* which may be Node_RuleVariables.
* @param length the length of the argument list, may be less than the length of the args array
* for some rule engines
* @param context an execution context giving access to other relevant data
* @return return true if the buildin predicate is deemed to have succeeded in the current
* environment
*/
public boolean bodyCall(Node[] args, int length, RuleContext context) {
if (length != 3) {
throw new BuiltinException(
this, context, "builtin " + getName() + " requires 3 arguments but saw " + length);
}
Node obj = getArg(2, args, context);
Node subj = getArg(0, args, context);
// Allow variables in subject position to correspond to a wild card
if (subj.isVariable()) {
subj = null;
}
// Allow variables in the predicate position to correspond to a wild card
Node pred = getArg(1, args, context);
if (pred.isVariable()) {
pred = null;
}
boolean bContainsObj = context.contains(subj, pred, obj);
if (!bContainsObj) {
return false;
}
// does it contain anything else?
ClosableIterator<Triple> citr = context.find((Node) null, pred, obj);
boolean otherSubject = false;
while (citr.hasNext()) {
Object o = citr.next();
Node tmpSubj = ((Triple) o).getSubject();
if (!tmpSubj.equals(subj)) {
otherSubject = true;
break;
}
}
citr.close();
return !otherSubject;
}
/**
* This method is invoked when the builtin is called in a rule body.
*
* @param args the array of argument values for the builtin, this is an array of Nodes, some of
* which may be Node_RuleVariables.
* @param length the length of the argument list, may be less than the length of the args array
* for some rule engines
* @param context an execution context giving access to other relevant data
* @return return true if the buildin predicate is deemed to have succeeded in the current
* environment
*/
public boolean bodyCall(Node[] args, int length, RuleContext context) {
checkArgs(length, context);
BindingEnvironment env = context.getEnv();
Node n1 = getArg(0, args, context);
Node n2 = getArg(1, args, context);
if (n1.isLiteral() && n2.isLiteral()) {
Object v1 = n1.getLiteralValue();
Object v2 = n2.getLiteralValue();
Node sum = null;
if (v1 instanceof Number && v2 instanceof Number) {
Number nv1 = (Number) v1;
Number nv2 = (Number) v2;
if (v1 instanceof Float
|| v1 instanceof Double
|| v2 instanceof Float
|| v2 instanceof Double) {
sum = Util.makeDoubleNode(nv1.doubleValue() - nv2.doubleValue());
} else {
sum = Util.makeLongNode(nv1.longValue() - nv2.longValue());
}
return env.bind(args[2], sum);
}
}
// Doesn't (yet) handle partially bound cases
return false;
}
/**
* This method is invoked when the builtin is called in a rule body.
*
* @param args the array of argument values for the builtin, this is an array of Nodes, some of
* which may be Node_RuleVariables.
* @param length the length of the argument list, may be less than the length of the args array
* for some rule engines
* @param context an execution context giving access to other relevant data
* @return return true if the buildin predicate is deemed to have succeeded in the current
* environment
*/
@Override
public boolean bodyCall(Node[] args, int length, RuleContext context) {
if (length < 2)
throw new BuiltinException(this, context, "Must have at least 2 arguments to " + getName());
String text = getString(getArg(0, args, context), context);
String pattern = getString(getArg(1, args, context), context);
Matcher m = Pattern.compile(pattern).matcher(text);
if (!m.matches()) return false;
if (length > 2) {
// bind any capture groups
BindingEnvironment env = context.getEnv();
for (int i = 0; i < Math.min(length - 2, m.groupCount()); i++) {
String gm = m.group(i + 1);
Node match = (gm != null) ? Node.createLiteral(gm) : Node.createLiteral("");
if (!env.bind(args[i + 2], match)) return false;
}
}
return true;
}
/**
* This method is invoked when the builtin is called in a rule body.
*
* @param args the array of argument values for the builtin, this is an array of Nodes, some of
* which may be Node_RuleVariables.
* @param length the length of the argument list, may be less than the length of the args array
* for some rule engines
* @param context an execution context giving access to other relevant data
* @return return true if the buildin predicate is deemed to have succeeded in the current
* environment
*/
@SuppressWarnings("unused")
public boolean bodyCall(Node[] args, int length, RuleContext context) {
checkArgs(length, context);
BindingEnvironment env = context.getEnv();
Object maxVal = null;
Node min = null;
boolean allLongs = true;
if (length >= 3) {
for (int i = 0; i < length; i++) {
Node n1 = getArg(i, args, context);
if (n1.isLiteral()) {
Object v1 = n1.getLiteralValue();
if (v1 instanceof Number) {
Number nv1 = (Number) v1;
if (maxVal == null) {
maxVal = nv1;
} else {
if (v1 instanceof Float || v1 instanceof Double) {
double pwd = nv1.doubleValue();
if (pwd > ((Number) maxVal).doubleValue()) {
maxVal = nv1;
}
allLongs = false;
} else if (v1 instanceof Integer || v1 instanceof Long) {
long pwd = nv1.longValue();
if (pwd > ((Number) maxVal).doubleValue()) {
maxVal = nv1;
}
}
}
} else if (v1 instanceof XSDDateTime) {
if (maxVal == null) {
maxVal = v1;
} else if (maxVal instanceof XSDDateTime) {
if (((XSDDateTime) maxVal).compareTo((XSDDateTime) v1) < 0) {
maxVal = v1;
}
} else {
throw new BuiltinException(
this,
context,
"Can't compare datetime ("
+ v1.toString()
+ ") with non-datetime value ("
+ maxVal.toString()
+ ")");
}
} else {
return false;
}
}
} // end for
} else {
Node n1 = getArg(0, args, context);
if (n1 == null || n1.equals(RDF.Nodes.nil)) {
return false;
} else {
maxVal = maxOfList(n1, context);
}
}
if (maxVal == null) {
return false;
}
if (maxVal instanceof Float) {
min = Utils.makeFloatNode(((Number) maxVal).floatValue());
} else if (maxVal instanceof Double) {
min = Util.makeDoubleNode(((Number) maxVal).doubleValue());
} else if (maxVal instanceof XSDDateTime) {
min = Utils.makeXSDDateTimeNode((XSDDateTime) maxVal);
} else if (maxVal instanceof Integer) {
min = Util.makeIntNode(((Number) maxVal).intValue());
} else {
min = Util.makeLongNode(((Number) maxVal).longValue());
}
return env.bind(args[length - 1], min);
}
@Override
public void headAction(Node[] args, int length, RuleContext context) {
checkArgs(length, context);
Node n0 = getArg(0, args, context);
Node n1 = getArg(1, args, context);
Node n2 = getArg(2, args, context);
logger.fine("BLACKLIST in head action " + n0 + " " + n1 + " " + n2);
SolrDocumentList docs =
SolrUtil.getDocsbySPO(null, IDS.hasSourceDeviceId.toString(), n2.toString(), 4, true);
logger.fine(" docs are " + docs);
int countIncidents = 0;
for (int k = 0; k < docs.size(); k++) {
SolrDocument doc = docs.get(k);
logger.fine(" doc received is " + doc);
String subject = (String) doc.getFieldValue("subject_t");
SolrDocumentList docs2 = SolrUtil.getDocsbySPO(subject, "*incidentTime*", null, 1);
logger.fine(" docs2 are " + docs2);
Calendar timeStamp = Util.toCalendar((String) docs2.get(0).getFieldValue("object_t"));
logger.info("TIMESTAMP: " + timeStamp.getTime());
Calendar oldNow = Util.getNowPlus(-86400000);
logger.fine("24 hours ago: " + Util.calendarToISO8601String(oldNow));
if (timeStamp.compareTo(oldNow) > 0) {
countIncidents = countIncidents + 1;
logger.fine("CountIncidents: " + countIncidents);
}
}
SolrDocumentList docs2 =
SolrUtil.getDocsbySPO(
null, IDS.isAttackedByID.toString(), n2.toString(), SolrUtil.MAX_DOCS, true);
if (docs2.size() <= 0) {
if (countIncidents == 4) {
Node sub = NodeFactory.createURI(IDS.Attack.getURI() + UUID.randomUUID());
Node pred1 = NodeFactory.createURI(IDS.hasStatus.getURI());
Node obj1 = NodeFactory.createLiteral("Multiple ID Attempt Attack");
context.add(new Triple(sub, pred1, obj1));
logger.fine("added n-triple: " + sub + "," + pred1 + "," + obj1);
Node pred2 = NodeFactory.createURI(IDS.isAttackedByID.getURI());
context.add(new Triple(sub, pred2, n2));
logger.fine("added n-triple: " + sub + "," + pred2 + "," + n2);
SolrDocument doc = docs.get(0);
Date timeStamp = (Date) doc.getFieldValue("timestamp");
Calendar cal = Calendar.getInstance();
cal.setTime(timeStamp);
String aTimeStart = Util.calendarToISO8601String(cal);
Node obj2 = NodeFactory.createLiteral(aTimeStart);
Node pred3 = NodeFactory.createURI(IDS.attackStartTime.getURI());
context.add(new Triple(sub, pred3, obj2));
logger.fine("added n-triple: " + sub + "," + pred3 + "," + obj2);
SolrDocument doc2 = docs.get(docs.size() - 1);
Date timeStamp2 = (Date) doc.getFieldValue("timestamp");
Calendar cal2 = Calendar.getInstance();
cal2.setTime(timeStamp2);
String aTimeStart2 = Util.calendarToISO8601String(cal2);
Node obj3 = NodeFactory.createLiteral(aTimeStart2);
Node pred4 = NodeFactory.createURI(IDS.attackEndTime.getURI());
context.add(new Triple(sub, pred4, obj3));
logger.fine("added n-triple: " + sub + "," + pred4 + "," + obj3);
}
}
}
/**
* This method is invoked when the builtin is called in a rule body.
*
* @param args the array of argument values for the builtin, this is an array of Nodes, some of
* which may be Node_RuleVariables.
* @param length the length of the argument list, may be less than the length of the args array
* for some rule engines
* @param context an execution context giving access to other relevant data
* @return return true if the buildin predicate is deemed to have succeeded in the current
* environment
*/
@Override
public boolean bodyCall(Node[] args, int length, RuleContext context) {
if (length != 3) {
throw new BuiltinException(
this, context, "builtin " + getName() + " requires 3 arguments but saw " + length);
}
BindingEnvironment env = context.getEnv();
Node subj = getArg(0, args, context);
Node pred = getArg(1, args, context);
Node obj = getArg(2, args, context);
logger.fine("BLACKLIST Body Call subject is " + subj + " pred is " + pred + " obj is " + obj);
checkArgs(length, context);
Node n0 = getArg(0, args, context);
Node n1 = getArg(1, args, context);
Node n2 = getArg(2, args, context);
logger.fine(
"BLACKLIST in Body Call " + n0 + " " + n1.getLiteralValue() + " " + n2.getLiteralValue());
int numberToGet = (Integer) n1.getLiteralValue();
int hoursSince = (Integer) n2.getLiteralValue();
logger.fine(" BLACKLIST numberToGet = " + numberToGet + " hours since = " + hoursSince);
// String deviceId = (String) n0.getLiteralValue();
String SourceIP = (String) n0.getLiteralValue();
// logger.fine(" deviceId = " + deviceId);
logger.fine(" SourceIP = " + SourceIP);
SolrDocumentList docs =
SolrUtil.getDocsbySPO(null, IDS.hasSourceIP.toString(), SourceIP, numberToGet, true);
logger.fine(" docs are " + docs);
if (docs.size() >= numberToGet) {
int countIncidents = 0;
Calendar oldNow = Util.getNowPlus(-1 * ((hoursSince * 60) * 60 * 1000));
logger.fine("24 hours ago: " + Util.calendarToISO8601String(oldNow));
for (int k = 0; k < docs.size(); k++) {
SolrDocument doc = docs.get(k);
logger.fine(" doc received is " + doc);
String subject = (String) doc.getFieldValue("subject_t");
SolrDocumentList docs2 = SolrUtil.getDocsbySPO(subject, "*incidentTime*", null, 1);
logger.fine(" docs2 are " + docs2);
Calendar timeStamp = Util.toCalendar((String) docs2.get(0).getFieldValue("object_t"));
logger.info("TIMESTAMP: " + timeStamp.getTime());
if (timeStamp.compareTo(oldNow) > 0) {
countIncidents = countIncidents + 1;
logger.fine("CountIncidents: " + countIncidents);
}
}
logger.fine(" countIncidents = " + countIncidents + " number to get = " + numberToGet);
if (countIncidents >= numberToGet) {
logger.fine(" returning TRUE");
return true;
}
} else {
return false;
}
return false;
}