/**

* @name Flow Sources

* @description List all flow sources found in the database. Flow sources

* indicate data that originates from an untrusted source, such

* as as untrusted remote data.

* @kind problem

* @problem.severity info

* @id swift/summary/flow-sources

* @tags summary

*/

/*

* Most queries compute data flow from one of the following sources:

* - flow sources (listed by this query, `swift/summary/flow-sources`).

* - sensitive expressions (see `swift/summary/sensitive-expressions`).

* - constant values.

* - custom per-query sources.

*/

import swift

import codeql.swift.dataflow.FlowSources

string sourceClass(FlowSource s) {

s instanceof LocalFlowSource and result = "Local flow source"

or

s instanceof RemoteFlowSource and result = "Remote flow source"

}

from FlowSource s

select s, sourceClass(s) + ": " + s.getSourceType()