Request Sanitizing Middleware

[qhanson55]

Description

Implemented middleware that will sanitize string inputs to remove any unwanted null characters in case users copy and past them into inputs.

Types of changes

Bug fix (non-breaking change which fixes an issue)

Checklist

• I have read the CONTRIBUTING doc
• I have checked that unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

Also added some utility function testings and change to ts docs

[github-actions]

Coverage Report (Frontend)

Totals
Statements:	41.33% ( 4030 / 9750 )
Methods:	29.51% ( 496 / 1681 )
Lines:	50.13% ( 2526 / 5039 )
Branches:	33.27% ( 1008 / 3030 )

[github-actions]

Coverage Report (Application)

Totals
Statements:	47.82% ( 2470 / 5165 )
Methods:	35.69% ( 303 / 849 )
Lines:	61.56% ( 1717 / 2789 )
Branches:	29.47% ( 450 / 1527 )

[Copilot]

Pull Request Overview

This PR implements middleware to sanitize incoming request bodies by removing null characters from string values. The PR addresses a security concern where users might copy and paste null characters into form inputs, which could cause issues in downstream processing.

• Adds request sanitization middleware that recursively strips null characters from string values in request bodies
• Includes comprehensive test coverage for the new sanitization functionality
• Updates related documentation and removes unused service methods

Reviewed Changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
app/src/middleware/requestSanitizer.ts	Implements the main middleware function to sanitize request bodies
app/src/middleware/utils.ts	Contains utility functions for null character removal and recursive sanitization
app/app.ts	Integrates the sanitization middleware into the Express application
app/tests/unit/middleware/requestSanitizer.test.ts	Comprehensive tests for the request sanitizer middleware
app/tests/unit/middleware/utils.test.ts	Unit tests for the sanitization utility functions
app/tests/unit/utils/utils.test.ts	New comprehensive test suite for utility functions
app/src/utils/utils.ts	Updates JSDoc comments and adds UUID validation function
app/src/services/coms.ts	Removes getObjects method and adds validation to getObject
app/src/controllers/roadmap.ts	Updates to use individual object calls instead of bulk getObjects

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[sonarqubecloud]

Quality Gate passed for 'nr-permitconnect-navigator-service frontend'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed for 'nr-permitconnect-navigator-service app'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
93.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud