Migrate from `differ` crate to `difference` crate

[x9xhack]

Summary

This PR migrates the project from using the differ crate to the difference crate for performing text difference analysis. Several methods and structs from differ have been replaced with equivalent functionality from difference. The migration involves:

• Replacing the Differ and Tag structs with Difference and its associated types.
• Updating the logic in the codebase to accommodate the new methods and structures introduced by the difference crate.
• Updating the Cargo.toml to include the correct version of the difference crate.

Changes

• Codebase Updates:

  • Replaced all occurrences of differ::{Differ, Tag} with difference::{Difference, DifferenceType}.
  • Refactored the logic in the directory brute-forcing feature to match the new difference API.
  • Removed the use of Differ::new and replaced it with Difference::new for line-by-line comparison.
  • The tag matching logic for Tag::Insert, Tag::Delete, and Tag::Replace was replaced by checking DifferenceType variants.
  • Removed redundant .clone() calls on references that were not necessary, as difference works with references more efficiently.

• Dependencies:

  • Updated Cargo.toml to use the difference crate instead of differ.
  • Executed cargo update to ensure all dependencies are up-to-date and consistent.

Motivation

The switch to difference is made because differ is deprecated, and difference provides a more modern and efficient way to handle text diffing. It offers better compatibility with current libraries and is actively maintained.

Impact

• Functionality: No change to the core logic; the program continues to compare text line-by-line and highlight differences.
• Performance: The switch to difference may improve performance slightly due to more efficient handling of differences.

Testing

• Verified that the text comparison functionality continues to work as expected.
• Checked that the results are still properly displayed in the progress bar and outputted to the file as expected.

Chores

• Ran cargo update to make sure all dependencies were updated to the latest versions.
• Removed unnecessary .clone() calls that were redundant after switching to difference.

Related Issues

Closes #4

Summary by CodeRabbit

• Bug Fixes

  • Improved the accuracy and clarity of difference reporting in response comparisons, with added and removed text now highlighted in color for easier interpretation.
  • Reduced unnecessary memory usage by eliminating redundant cloning of strings during result reporting.

• Chores

  • Updated dependencies for improved stability and maintenance.

[coderabbitai[bot]]

Walkthrough

The changes update the project's diffing functionality by replacing the differ crate with the difference crate in both the dependency configuration and the codebase. The code in src/bruteforcer/mod.rs is adapted to use the new crate's API for comparing and displaying differences between response texts, resulting in altered output formatting. Additionally, a minor code cleanup in src/detector/mod.rs removes an unnecessary string clone operation. No public interfaces or exported entities are changed.

Changes

File(s)	Change Summary
Cargo.toml	Replaced the differ dependency (v1.0.2) with difference (v2.0.0).
src/bruteforcer/mod.rs	Switched from differ to difference crate for diffing; updated logic and output formatting.
src/detector/mod.rs	Removed unnecessary .clone() call on a string slice assignment.

Poem

A hop and a skip, a diff in the code, Out goes "differ", "difference" bestowed. Green for what's new, red for what's gone, Cleaner and brighter, the output hops on. With lighter code and dependencies trimmed, This bunny approves—let the progress begin! 🐇✨

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📜 Recent review details

Configuration used: CodeRabbit UI Review profile: CHILL Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between c6598582885a0bf00cf72cb6dad02e1d235e1eef and f40d706e5c9b3940dd7114d32321b9f09108c76e.

📒 Files selected for processing (3)

• Cargo.toml (1 hunks)
• src/bruteforcer/mod.rs (2 hunks)
• src/detector/mod.rs (1 hunks)

🔇 Additional comments (6)

Cargo.toml (1)

27-27: Appropriate dependency replacement

The addition of the difference crate version 2.0.0 aligns with the PR objective to migrate away from the deprecated differ crate. This is a positive change that moves to an actively maintained dependency for text diffing functionality.

src/detector/mod.rs (1)

567-567: Good optimization: Removed unnecessary clone

The change removes an unnecessary .clone() call when assigning backonemore to result_url. Since the variable is only used for reading after this point, directly using the string slice is more efficient.

src/bruteforcer/mod.rs (4)

4-4: Correctly updated import for new diffing library

The import statement has been updated to use the new types from the difference crate, replacing the previous differ imports.

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204-208: Successfully migrated to Changeset API

The code has been properly updated to use Changeset::new() instead of Differ::new(). The approach of joining lines with newlines and using an empty separator is appropriate for this use case.

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210-210: Updated condition to match new API

The condition has been correctly updated to check if changeset.diffs is non-empty, which aligns with the difference crate's API for determining if differences exist.

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218-228: Properly implemented diffing output with new API

The pattern matching has been updated to handle the Difference enum variants (Same, Add, Rem) correctly. The implementation now displays added text in green and removed text in red, which provides clear visual differentiation between additions and removals.

This is an improvement over the previous implementation as it offers more granular and visually distinct output for the differences.

✨ Finishing Touches

• [x] 📝 Generate Docstrings

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[ethicalhackingplayground]

Thanks so much for this :)

[x9xhack]

you are very welcome :) Thanks a lot for merging it!