[WIP] spider: add initial changes for multipart/form-data handling

[karthikuj]

Overview

Adds changes for spider to handle multipart/form-data enctype.

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Checklist

• Update help
• Update changelog
• Run ./gradlew spotlessApply for code formatting
• Write tests
• Check code coverage
• Sign-off commits
• Squash commits
• Use a descriptive title

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[karthikuj]

Hey team,

this is still a work in progress. I had a couple doubts:

When I am running ./gradlew addOns:spider:cZAO I get an error since I need to modify the constructor in /zaproxy/zap/src/main/java/org/zaproxy/zap/model/DefaultValueGenerator.java, but when I do that and try to build the zaproxy repo I am getting another error which I am unable to resolve (attached a screenshot below), can you please guide me on how to fix this?

[thc202]

You need to keep binary compatibility, you should add a new method rather than just changing the existing one. For the add-on, you will have to use reflection and fallback to call the older method.

[kingthorin]

@karthikuj do you plan to finish this?

[karthikuj]

@karthikuj do you plan to finish this?

I do, just not getting the time right now.