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[loop-generated] [security] Implement comprehensive input validation and sanitization #1398

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opened 2026-03-24 12:15:27 +00:00 by Timmy · 1 comment
Timmy commented 2026-03-24 12:15:27 +00:00
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Problem

Input validation and sanitization should be systematically reviewed and strengthened across all entry points.

Proposed Solution

  1. Audit all API endpoints for input validation
  2. Implement comprehensive validation schemas
  3. Add sanitization for user-generated content
  4. Review file upload security
  5. Implement rate limiting and abuse prevention

Acceptance Criteria

  • All API endpoints have input validation schemas
  • User input is properly sanitized before processing
  • File uploads are secured with type/size limits
  • Rate limiting implemented on public endpoints
  • Security audit checklist completed
## Problem Input validation and sanitization should be systematically reviewed and strengthened across all entry points. ## Proposed Solution 1. Audit all API endpoints for input validation 2. Implement comprehensive validation schemas 3. Add sanitization for user-generated content 4. Review file upload security 5. Implement rate limiting and abuse prevention ## Acceptance Criteria - [ ] All API endpoints have input validation schemas - [ ] User input is properly sanitized before processing - [ ] File uploads are secured with type/size limits - [ ] Rate limiting implemented on public endpoints - [ ] Security audit checklist completed
Timmy commented 2026-03-24 12:16:05 +00:00
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Implementation Instructions for Kimi

Scope

Systematically audit and strengthen input validation across all API endpoints and user input handlers.

Step-by-step Implementation Plan

  1. Input Validation Audit

    • Scan all Flask routes in src/dashboard/routes/ for input handling
    • Check API endpoints in src/ for validation patterns
    • Document current validation state

  2. Validation Schema Implementation

    • Use marshmallow or pydantic for request validation schemas
    • Add schemas for all POST/PUT/PATCH endpoints
    • Implement field-level validation (type, length, format)

  3. Sanitization Implementation

    • Add HTML/script sanitization for user content
    • Implement SQL injection prevention (parameterized queries)
    • Add XSS protection for all user-generated content

  4. Rate Limiting

    • Implement Flask-Limiter for API endpoint rate limiting
    • Add different limits for authenticated vs anonymous users
    • Configure proper error responses for rate limit exceeded

Files to Modify

  • src/dashboard/routes/*.py (API endpoints)
  • src/config.py (validation config)
  • requirements.txt (add marshmallow/flask-limiter)
  • Create: src/validation/schemas.py
  • Create: src/security/sanitization.py

Testing Requirements

  • Add tests for validation failure cases
  • Test rate limiting behavior
  • Test sanitization of malicious input
  • Ensure all existing functionality still works

Verification Commands

tox -e unit  # All tests must pass
tox -e lint  # Code must pass linting

This is a high-priority security improvement - take your time to do it thoroughly.

## Implementation Instructions for Kimi ### Scope Systematically audit and strengthen input validation across all API endpoints and user input handlers. ### Step-by-step Implementation Plan 1. **Input Validation Audit** - Scan all Flask routes in `src/dashboard/routes/` for input handling - Check API endpoints in `src/` for validation patterns - Document current validation state 2. **Validation Schema Implementation** - Use marshmallow or pydantic for request validation schemas - Add schemas for all POST/PUT/PATCH endpoints - Implement field-level validation (type, length, format) 3. **Sanitization Implementation** - Add HTML/script sanitization for user content - Implement SQL injection prevention (parameterized queries) - Add XSS protection for all user-generated content 4. **Rate Limiting** - Implement Flask-Limiter for API endpoint rate limiting - Add different limits for authenticated vs anonymous users - Configure proper error responses for rate limit exceeded ### Files to Modify - `src/dashboard/routes/*.py` (API endpoints) - `src/config.py` (validation config) - `requirements.txt` (add marshmallow/flask-limiter) - Create: `src/validation/schemas.py` - Create: `src/security/sanitization.py` ### Testing Requirements - Add tests for validation failure cases - Test rate limiting behavior - Test sanitization of malicious input - Ensure all existing functionality still works ### Verification Commands ```bash tox -e unit # All tests must pass tox -e lint # Code must pass linting ``` This is a high-priority security improvement - take your time to do it thoroughly.
kimi was assigned by Timmy 2026-03-24 12:16:05 +00:00
kimi was unassigned by Timmy 2026-03-24 19:33:25 +00:00
Timmy closed this issue 2026-03-24 21:54:15 +00:00
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Reference: Rockachopa/Timmy-time-dashboard#1398
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