Integration of SpecializedHandler for Enhanced Archive Processing

[ahrav]

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This description provides an overview of the changes, the rationale behind them, the impact, and mentions the need for comprehensive testing. It's written in a way that should be accessible to other developers reviewing the PR, giving them the necessary context to understand the changes made.

Description:

This PR introduces the new SpecializedHandler interface to our existing archive handling system, enabling the application to recognize and process specialized archives like Debian (.deb) and RPM (.rpm) packages.

1. Introduction of SpecializedHandler:
   A new interface SpecializedHandler has been added, which encapsulates the logic to handle specialized archives, including examining files and determining their specialized nature.

2. Modification to Existing Handler:
   The HandleFile function now utilizes the SpecializedHandler, allowing specialized handling before falling back to regular file type handling. It efficiently leverages both standard and specialized handlers within the existing processing flow.

3. Support for Debian and RPM Files:
   Implemented methods extractDebContent and extractRpmContent to extract the contents of Debian and RPM files, respectively. These functions utilize command-line tools like 'ar', 'rpm2cpio', and 'cpio'.

4. Tool Verification and MIME Type Handling:
   A map mimeTools has been defined, mapping MIME types to the corresponding tools needed for handling. Functions isToolInstalled and ensureToolsForMimeType ensure that the required tools are installed.

5. Optimization for Nested Files:
   Specialized handling for nested files has also been implemented, managing temporary files and directories and recursive handling of nested archives.

Checklist:

• Tests passing (make test-community)?
• Lint passing (make lint this requires golangci-lint)?

[bill-rich]

Looks good. Cool use of io.MultiReader to deal with the filetyping using the Reader.

[ahrav]

Looks good. Cool use of io.MultiReader to deal with the filetyping using the Reader.

I actually learned about it today, I also thought that was a neat addition to the std lib given how often we wanna peek but then use the entire file.