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Model class instantiation for werkzueg headers

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Joe Farebrother
2024-04-03 13:40:18 +01:00
parent b9984beb16
commit 3e9341ff8a
3 changed files with 21 additions and 1 deletions
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13
python/ql/lib/semmle/python/frameworks/Werkzeug.qll
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@@ -12,6 +12,7 @@ private import semmle.python.ApiGraphs
private import semmle.python.frameworks.Stdlib
private import semmle.python.Concepts
private import semmle.python.frameworks.internal.InstanceTaintStepsHelper
private import semmle.python.frameworks.data.ModelsAsData
/**
* Provides models for the `Werkzeug` PyPI package.
@@ -144,6 +145,18 @@ module Werkzeug {
* See https://werkzeug.palletsprojects.com/en/1.0.x/datastructures/#werkzeug.datastructures.Headers.
*/
module Headers {
/** Gets a reference to the `werkzeug.datastructures.Headers` class. */
API::Node classRef() {
result = API::moduleImport("werkzeug").getMember("datastructures").getMember("Headers")
or
result = ModelOutput::getATypeNode("werkzeug.datastructures.Headers~Subclass").getASubclass*()
}
/** A direct instantiation of `werkzeug.datastructures.Headers`. */
private class ClassInstantiation extends InstanceSource, DataFlow::CallCfgNode {
ClassInstantiation() { this = classRef().getACall() }
}
/**
* A source of instances of `werkzeug.datastructures.Headers`, extend this class to model new instances.
*