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codeql/python/ql/lib/semmle/python/frameworks/Anyio.qll
2023-11-06 19:03:55 +01:00

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/**
* Provides classes modeling security-relevant aspects of the `anyio` PyPI package.
*
* See https://pypi.org/project/anyio.
*/
private import python
private import semmle.python.dataflow.new.DataFlow
private import semmle.python.dataflow.new.RemoteFlowSources
private import semmle.python.dataflow.new.TaintTracking
private import semmle.python.Concepts
private import semmle.python.ApiGraphs
/**
* Provides models for the `anyio` PyPI package.
*
* See https://pypi.org/project/anyio.
*/
private module Anyio {
/**
* A call to the `from_path` function from `FileReadStream` or `FileWriteStream` constructors of `anyio.streams.file` as a sink for Filesystem access.
*/
class FileStreamCall extends FileSystemAccess::Range, API::CallNode {
FileStreamCall() {
this =
API::moduleImport("anyio")
.getMember("streams")
.getMember("file")
.getMember(["FileReadStream", "FileWriteStream"])
.getMember("from_path")
.getACall()
}
override DataFlow::Node getAPathArgument() { result = this.getParameter(0, "path").asSink() }
}
/**
* A call to the `Path` constructor from `anyio` as a sink for Filesystem access.
*/
class PathCall extends FileSystemAccess::Range, API::CallNode {
PathCall() { this = API::moduleImport("anyio").getMember("Path").getACall() }
override DataFlow::Node getAPathArgument() { result = this.getParameter(0).asSink() }
}
/**
* A call to the `open_file` function from `anyio` as a sink for Filesystem access.
*/
class OpenFileCall extends FileSystemAccess::Range, API::CallNode {
OpenFileCall() { this = API::moduleImport("anyio").getMember("open_file").getACall() }
override DataFlow::Node getAPathArgument() { result = this.getParameter(0, "file").asSink() }
}
}