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Add Mono API MaD java - #23088
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knewbury01 wants to merge 3 commits into
Open
Add Mono API MaD java#23088knewbury01 wants to merge 3 commits into
knewbury01 wants to merge 3 commits into
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🟡 Changes recommended
Critical gaps in Mono factory and mapper summaries prevent input and callback-result taint from reaching returned elements, and current tests do not cover emitted values or chained operators.
2 open issues
What changed in this PR
Adds initial models-as-data support for Reactor’s Mono API to Java CodeQL analysis, with focused taint-flow tests and API stubs.
Changes:
- Adds summaries for
just,justOrEmpty,flatMap,map, andmapNotNull. - Adds positive and negative taint-flow fixtures and test configuration.
- Adds a minimal Reactor stub and its license.
| File | Description |
|---|---|
java/ql/test/stubs/reactor-core/reactor/core/publisher/Mono.java |
Defines the Mono APIs used by the tests. |
java/ql/test/stubs/reactor-core/LICENSE.txt |
Supplies the Apache 2.0 license. |
java/ql/test/library-tests/frameworks/reactor-core/test.ql |
Configures taint sources, sinks, and inline assertions. |
java/ql/test/library-tests/frameworks/reactor-core/Test.java |
Exercises factories and mapper callback inputs. |
java/ql/test/library-tests/frameworks/reactor-core/test.expected |
Provides the expected-results artifact. |
java/ql/test/library-tests/frameworks/reactor-core/options |
Adds Reactor stubs to the test classpath. |
java/ql/lib/ext/reactor.core.publisher.model.json |
Defines Mono flow summaries for Java analysis. |
Review effort: Balanced (auto)
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| ["reactor.core.publisher", "Mono", true, "justOrEmpty", "", "", "Argument[0]", "Argument[this]", "taint", "manual"], | ||
| ["reactor.core.publisher", "Mono", true, "just", "", "", "Argument[0]", "Argument[this]", "taint", "manual"], |
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| ["reactor.core.publisher", "Mono", true, "flatMap", "", "", "Argument[this].Element", "Argument[0].Parameter[0]", "taint", "manual"], | ||
| ["reactor.core.publisher", "Mono", true, "map", "", "", "Argument[this].Element", "Argument[0].Parameter[0]", "taint", "manual"], | ||
| ["reactor.core.publisher", "Mono", true, "mapNotNull", "", "", "Argument[this].Element", "Argument[0].Parameter[0]", "taint", "manual"] |
owen-mc
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Nov 11, 2026
owen-mc
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Nov 11, 2026
owen-mc
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Nov 11, 2026
owen-mc
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Nov 11, 2026
owen-mc
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Co-authored-by: Owen Mansel-Chan <62447351+owen-mc@users.noreply.github.com>
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