treat jQuery as fully modelled

Author: esbena

javascript/ql/experimental/adaptivethreatmodeling/lib/experimental/adaptivethreatmodeling/CoreKnowledge.qll

@@ -157,6 +157,9 @@ predicate isOtherModeledArgument(DataFlow::Node n, FilteringReason reason) {
   any(LodashUnderscore::Member m).getACall().getAnArgument() = n and
   reason instanceof LodashUnderscoreArgumentReason
   or
+  any(JQuery::MethodCall m).getAnArgument() = n and
+  reason instanceof JQueryArgumentReason
+  or
   exists(ClientRequest r |
     r.getAnArgument() = n or n = r.getUrl() or n = r.getHost() or n = r.getADataNode()
   ) and

javascript/ql/experimental/adaptivethreatmodeling/lib/experimental/adaptivethreatmodeling/FilteringReasons.qll

@@ -30,7 +30,8 @@ newtype TFilteringReason =
   TArgumentToBuiltinGlobalVarRefReason() or
   TConstantReceiverReason() or
   TBuiltinCallNameReason() or
-  TBase64ManipulationReason()
+  TBase64ManipulationReason() or
+  TJQueryArgumentReason()
 
 /** A reason why a particular endpoint was filtered out by the endpoint filters. */
 abstract class FilteringReason extends TFilteringReason {
@@ -201,3 +202,9 @@ class Base64ManipulationReason extends NotASinkReason, TBase64ManipulationReason
 
   override int getEncoding() { result = 28 }
 }
+
+class JQueryArgumentReason extends NotASinkReason, TJQueryArgumentReason {
+  override string getDescription() { result = "JQueryArgument" }
+
+  override int getEncoding() { result = 29 }
+}