Initial commit: Clean DSS implementation
Migrated from design-system-swarm with fresh git history.
Old project history preserved in /home/overbits/apps/design-system-swarm
Core components:
- MCP Server (Python FastAPI with mcp 1.23.1)
- Claude Plugin (agents, commands, skills, strategies, hooks, core)
- DSS Backend (dss-mvp1 - token translation, Figma sync)
- Admin UI (Node.js/React)
- Server (Node.js/Express)
- Storybook integration (dss-mvp1/.storybook)
Self-contained configuration:
- All paths relative or use DSS_BASE_PATH=/home/overbits/dss
- PYTHONPATH configured for dss-mvp1 and dss-claude-plugin
- .env file with all configuration
- Claude plugin uses ${CLAUDE_PLUGIN_ROOT} for portability
Migration completed: $(date)
🤖 Clean migration with full functionality preserved
This commit is contained in:
Digital Production Factory
668
docs/03_reference/INTEGRATION_GUIDE.md
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668
docs/03_reference/INTEGRATION_GUIDE.md
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@@ -0,0 +1,668 @@
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# DSS Export/Import - Integration Guide for Implementation Teams
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## Quick Reference
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| Need | Document | Location |
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|------|----------|----------|
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| **30-second overview** | QUICK_REFERENCE.md | Root directory |
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| **Complete feature guide** | DSS_EXPORT_IMPORT_GUIDE.md | Root directory |
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| **Architecture overview** | IMPLEMENTATION_SUMMARY.md | Root directory |
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| **Production hardening details** | PRODUCTION_READINESS.md | Root directory |
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| **Hardening summary** | PRODUCTION_HARDENING_SUMMARY.md | Root directory |
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| **API integration** | This file (INTEGRATION_GUIDE.md) | Root directory |
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| **Working code examples** | dss/export_import/examples.py | Package |
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| **Security utilities** | dss/export_import/security.py | Package |
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| **Service layer API** | dss/export_import/service.py | Package |
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---
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## For Your Implementation Team
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### Phase 1: Understanding the System (30 minutes)
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```
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1. Read: QUICK_REFERENCE.md (5 min)
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2. Run: python -m dss.export_import.examples (5 min)
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3. Read: PRODUCTION_HARDENING_SUMMARY.md (10 min)
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4. Skim: PRODUCTION_READINESS.md (10 min)
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```
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**Result**: You'll understand what the system does, how to use it, and what production considerations exist.
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### Phase 2: API Integration Planning (1 hour)
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```
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1. Review: dss/export_import/service.py
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- Read DSSProjectService docstring and method signatures
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- Understand return types: ExportSummary, ImportSummary, MergeSummary
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2. Review: dss/export_import/security.py
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- Understand what each security class does
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- Note configuration options
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3. Plan: Where to integrate
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- API endpoints for export/import?
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- Background job handler (Celery/RQ)?
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- CLI commands?
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- Web UI buttons?
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```
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**Deliverable**: Integration plan document with:
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- [ ] List of API endpoints needed
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- [ ] Error handling strategy
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- [ ] Background job approach
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- [ ] Monitoring/alerting plan
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### Phase 3: API Development (2-4 hours)
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Follow the code examples below for your framework.
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### Phase 4: Testing (1-2 hours)
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```
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1. Run examples with real project data
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2. Test error scenarios
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3. Load test with large projects
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4. Test background job handling
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```
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### Phase 5: Deployment (30 minutes)
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Follow production checklist in PRODUCTION_READINESS.md.
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---
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## API Integration Examples
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### Flask
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```python
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from flask import Flask, request, send_file
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from pathlib import Path
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from dss.export_import import DSSProjectService
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app = Flask(__name__)
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service = DSSProjectService(busy_timeout_ms=5000)
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@app.route('/api/projects/<int:project_id>/export', methods=['POST'])
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def export_project(project_id):
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"""Export project to .dss archive"""
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try:
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# Get project from database
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project = db.session.query(Project).get(project_id)
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if not project:
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return {'error': 'Project not found'}, 404
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# Export
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output_path = Path(f'/tmp/export_{project_id}.dss')
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result = service.export_project(project, output_path)
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if not result.success:
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return {'error': result.error}, 500
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# Return file
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return send_file(
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result.archive_path,
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as_attachment=True,
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download_name=f'{project.name}.dss',
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mimetype='application/zip'
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)
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except Exception as e:
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app.logger.error(f"Export failed: {e}")
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return {'error': 'Export failed'}, 500
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@app.route('/api/projects/import', methods=['POST'])
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def import_project():
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"""Import project from .dss archive"""
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try:
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if 'file' not in request.files:
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return {'error': 'No file provided'}, 400
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file = request.files['file']
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if not file.filename.endswith('.dss'):
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return {'error': 'File must be .dss archive'}, 400
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# Save uploaded file
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archive_path = Path(f'/tmp/{file.filename}')
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file.save(archive_path)
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# Import
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result = service.import_project(archive_path)
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if result.requires_background_job:
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# Schedule background import
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task_id = import_project_async.delay(str(archive_path))
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return {
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'status': 'queued',
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'job_id': task_id,
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'estimated_items': (
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result.item_counts.get('tokens', 0) +
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result.item_counts.get('components', 0)
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)
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}, 202
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if not result.success:
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return {'error': result.error}, 500
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# Store in database
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new_project = Project(
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name=result.project_name,
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# ... other fields
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)
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db.session.add(new_project)
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db.session.commit()
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return {
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'success': True,
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'project_name': result.project_name,
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'project_id': new_project.id,
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'duration_seconds': result.duration_seconds
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}, 201
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except Exception as e:
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app.logger.error(f"Import failed: {e}")
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return {'error': 'Import failed'}, 500
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@app.route('/api/projects/<int:project_id>/merge', methods=['POST'])
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def merge_projects(project_id):
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"""Merge imported project with local"""
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try:
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if 'file' not in request.files:
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return {'error': 'No file provided'}, 400
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file = request.files['file']
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archive_path = Path(f'/tmp/{file.filename}')
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file.save(archive_path)
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# Get local project
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local = db.session.query(Project).get(project_id)
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if not local:
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return {'error': 'Project not found'}, 404
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# Analyze merge
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merge_analysis = service.analyze_merge(local, archive_path)
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# Perform merge
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strategy = request.json.get('strategy', 'keep_local')
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result = service.merge_project(local, archive_path, strategy)
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if not result.success:
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return {'error': result.error}, 500
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# Update database
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db.session.commit()
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return {
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'success': True,
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'new_items': result.new_items_count,
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'updated_items': result.updated_items_count,
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'conflicts': result.conflicts_count,
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'duration_seconds': result.duration_seconds
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}
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except Exception as e:
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app.logger.error(f"Merge failed: {e}")
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return {'error': 'Merge failed'}, 500
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```
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### FastAPI
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```python
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from fastapi import FastAPI, UploadFile, File, HTTPException
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from fastapi.responses import FileResponse
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from pathlib import Path
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from dss.export_import import DSSProjectService
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app = FastAPI()
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service = DSSProjectService(busy_timeout_ms=5000)
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@app.post("/api/projects/{project_id}/export")
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async def export_project(project_id: int):
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"""Export project to .dss archive"""
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try:
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project = db.get_project(project_id)
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if not project:
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raise HTTPException(status_code=404, detail="Project not found")
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output_path = Path(f"/tmp/export_{project_id}.dss")
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result = service.export_project(project, output_path)
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if not result.success:
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raise HTTPException(status_code=500, detail=result.error)
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return FileResponse(
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result.archive_path,
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media_type="application/zip",
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filename=f"{project.name}.dss"
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)
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except HTTPException:
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raise
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@app.post("/api/projects/import")
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async def import_project(file: UploadFile = File(...)):
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"""Import project from .dss archive"""
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try:
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if not file.filename.endswith('.dss'):
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raise HTTPException(status_code=400, detail="File must be .dss")
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# Save uploaded file
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archive_path = Path(f"/tmp/{file.filename}")
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with open(archive_path, "wb") as f:
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f.write(await file.read())
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# Import
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result = service.import_project(archive_path)
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|
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if result.requires_background_job:
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task_id = import_project_async.delay(str(archive_path))
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return {
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"status": "queued",
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"job_id": task_id,
|
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"estimated_items": (
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result.item_counts.get('tokens', 0) +
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result.item_counts.get('components', 0)
|
||||
)
|
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}
|
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|
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if not result.success:
|
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raise HTTPException(status_code=500, detail=result.error)
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|
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return {
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"success": True,
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"project_name": result.project_name,
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"duration_seconds": result.duration_seconds
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}
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|
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except HTTPException:
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raise
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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```
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### Django
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```python
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from django.http import JsonResponse, FileResponse
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from django.views.decorators.http import require_http_methods
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from pathlib import Path
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from dss.export_import import DSSProjectService
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service = DSSProjectService(busy_timeout_ms=5000)
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||||
|
||||
@require_http_methods(["POST"])
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def export_project(request, project_id):
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"""Export project to .dss archive"""
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try:
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project = Project.objects.get(pk=project_id)
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|
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output_path = Path(f"/tmp/export_{project_id}.dss")
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result = service.export_project(project, output_path)
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|
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if not result.success:
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return JsonResponse({'error': result.error}, status=500)
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response = FileResponse(
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open(result.archive_path, 'rb'),
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content_type='application/zip'
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)
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response['Content-Disposition'] = f'attachment; filename="{project.name}.dss"'
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return response
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except Project.DoesNotExist:
|
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return JsonResponse({'error': 'Project not found'}, status=404)
|
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except Exception as e:
|
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return JsonResponse({'error': str(e)}, status=500)
|
||||
|
||||
|
||||
@require_http_methods(["POST"])
|
||||
def import_project(request):
|
||||
"""Import project from .dss archive"""
|
||||
try:
|
||||
if 'file' not in request.FILES:
|
||||
return JsonResponse({'error': 'No file provided'}, status=400)
|
||||
|
||||
file = request.FILES['file']
|
||||
if not file.name.endswith('.dss'):
|
||||
return JsonResponse({'error': 'File must be .dss'}, status=400)
|
||||
|
||||
# Save uploaded file
|
||||
archive_path = Path(f"/tmp/{file.name}")
|
||||
with open(archive_path, 'wb') as f:
|
||||
for chunk in file.chunks():
|
||||
f.write(chunk)
|
||||
|
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# Import
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||||
result = service.import_project(archive_path)
|
||||
|
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if result.requires_background_job:
|
||||
task_id = import_project_async.delay(str(archive_path))
|
||||
return JsonResponse({
|
||||
'status': 'queued',
|
||||
'job_id': task_id
|
||||
}, status=202)
|
||||
|
||||
if not result.success:
|
||||
return JsonResponse({'error': result.error}, status=500)
|
||||
|
||||
return JsonResponse({
|
||||
'success': True,
|
||||
'project_name': result.project_name
|
||||
}, status=201)
|
||||
|
||||
except Exception as e:
|
||||
return JsonResponse({'error': str(e)}, status=500)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Background Job Integration
|
||||
|
||||
### Celery
|
||||
|
||||
```python
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||||
# celery_tasks.py
|
||||
from celery import shared_task
|
||||
from dss.export_import import DSSProjectService
|
||||
from django.core.cache import cache
|
||||
|
||||
@shared_task(bind=True, time_limit=600)
|
||||
def import_project_async(self, archive_path):
|
||||
"""Background task for large imports"""
|
||||
try:
|
||||
service = DSSProjectService()
|
||||
result = service.import_project(archive_path)
|
||||
|
||||
# Store result
|
||||
cache.set(
|
||||
f"import_job:{self.request.id}",
|
||||
{
|
||||
'status': 'completed' if result.success else 'failed',
|
||||
'success': result.success,
|
||||
'project_name': result.project_name,
|
||||
'error': result.error,
|
||||
'duration_seconds': result.duration_seconds,
|
||||
},
|
||||
timeout=3600 # 1 hour
|
||||
)
|
||||
|
||||
if result.success:
|
||||
# Trigger webhook
|
||||
notify_user_import_complete(
|
||||
self.request.id,
|
||||
result.project_name
|
||||
)
|
||||
|
||||
return {
|
||||
'job_id': self.request.id,
|
||||
'success': result.success
|
||||
}
|
||||
|
||||
except Exception as e:
|
||||
cache.set(
|
||||
f"import_job:{self.request.id}",
|
||||
{'status': 'failed', 'error': str(e)},
|
||||
timeout=3600
|
||||
)
|
||||
raise
|
||||
|
||||
# In route
|
||||
@app.post("/api/projects/import/background")
|
||||
async def import_background(file: UploadFile):
|
||||
"""Start background import"""
|
||||
archive_path = Path(f"/tmp/{file.filename}")
|
||||
with open(archive_path, "wb") as f:
|
||||
f.write(await file.read())
|
||||
|
||||
task = import_project_async.delay(str(archive_path))
|
||||
return {"job_id": task.id}
|
||||
|
||||
@app.get("/api/import/status/{job_id}")
|
||||
async def import_status(job_id: str):
|
||||
"""Check background import status"""
|
||||
result = cache.get(f"import_job:{job_id}")
|
||||
if not result:
|
||||
return {"status": "processing"}
|
||||
return result
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Error Handling
|
||||
|
||||
### Common Error Scenarios
|
||||
|
||||
```python
|
||||
from dss.export_import import DSSArchiveImporter
|
||||
|
||||
def handle_import_error(archive_path):
|
||||
"""Proper error handling with diagnostics"""
|
||||
|
||||
# Analyze archive to get detailed errors
|
||||
importer = DSSArchiveImporter(archive_path)
|
||||
analysis = importer.analyze()
|
||||
|
||||
if not analysis.is_valid:
|
||||
for error in analysis.errors:
|
||||
if error.stage == "archive":
|
||||
if "Zip Slip" in error.message:
|
||||
# Security alert!
|
||||
alert_security_team(error.message)
|
||||
return 403, "Malicious archive rejected"
|
||||
elif "unsafe paths" in error.message:
|
||||
return 400, "Invalid archive structure"
|
||||
else:
|
||||
return 400, f"Archive error: {error.message}"
|
||||
|
||||
elif error.stage == "manifest":
|
||||
return 400, f"Invalid manifest: {error.message}"
|
||||
|
||||
elif error.stage == "schema":
|
||||
if "newer than app" in error.message:
|
||||
return 400, "DSS version too old, please update"
|
||||
else:
|
||||
return 400, f"Schema error: {error.message}"
|
||||
|
||||
elif error.stage == "structure":
|
||||
return 400, f"Invalid JSON structure: {error.message}"
|
||||
|
||||
elif error.stage == "referential":
|
||||
return 400, f"Invalid references: {error.message}"
|
||||
|
||||
# If we got here, archive is valid
|
||||
return 200, "Archive is valid"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Monitoring & Observability
|
||||
|
||||
### Metrics to Track
|
||||
|
||||
```python
|
||||
import time
|
||||
from prometheus_client import Counter, Histogram
|
||||
|
||||
# Metrics
|
||||
export_duration = Histogram(
|
||||
'dss_export_duration_seconds',
|
||||
'Time to export project'
|
||||
)
|
||||
import_duration = Histogram(
|
||||
'dss_import_duration_seconds',
|
||||
'Time to import project'
|
||||
)
|
||||
validation_errors = Counter(
|
||||
'dss_validation_errors_total',
|
||||
'Validation errors',
|
||||
['stage']
|
||||
)
|
||||
security_alerts = Counter(
|
||||
'dss_security_alerts_total',
|
||||
'Security alerts',
|
||||
['type']
|
||||
)
|
||||
|
||||
# Usage
|
||||
with export_duration.time():
|
||||
result = service.export_project(project, path)
|
||||
|
||||
if not result.success:
|
||||
if "Zip Slip" in result.error:
|
||||
security_alerts.labels(type='zip_slip').inc()
|
||||
|
||||
for error in analysis.errors:
|
||||
validation_errors.labels(stage=error.stage).inc()
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Testing Strategy
|
||||
|
||||
### Unit Tests
|
||||
|
||||
```python
|
||||
import pytest
|
||||
from dss.export_import import DSSArchiveExporter, DSSArchiveImporter
|
||||
|
||||
def test_round_trip():
|
||||
"""Test export → import = identical"""
|
||||
# Create test project
|
||||
project = create_test_project()
|
||||
|
||||
# Export
|
||||
exporter = DSSArchiveExporter(project)
|
||||
archive_path = exporter.export_to_file(Path("/tmp/test.dss"))
|
||||
|
||||
# Import
|
||||
importer = DSSArchiveImporter(archive_path)
|
||||
imported = importer.import_replace()
|
||||
|
||||
# Verify
|
||||
assert imported.name == project.name
|
||||
assert len(imported.theme.tokens) == len(project.theme.tokens)
|
||||
|
||||
def test_security_zip_slip():
|
||||
"""Test Zip Slip protection"""
|
||||
from dss.export_import.security import ZipSlipValidator
|
||||
|
||||
# Malicious paths
|
||||
unsafe_paths = [
|
||||
"../../etc/passwd",
|
||||
"../../../root/.ssh/id_rsa",
|
||||
"normal_file.json",
|
||||
]
|
||||
|
||||
is_safe, unsafe = ZipSlipValidator.validate_archive_members(unsafe_paths)
|
||||
assert not is_safe
|
||||
assert len(unsafe) == 2 # Two unsafe paths
|
||||
|
||||
def test_memory_limits():
|
||||
"""Test memory limit enforcement"""
|
||||
from dss.export_import.security import MemoryLimitManager
|
||||
|
||||
mgr = MemoryLimitManager(max_tokens=100)
|
||||
ok, error = mgr.check_token_count(101)
|
||||
assert not ok
|
||||
assert error is not None
|
||||
```
|
||||
|
||||
### Integration Tests
|
||||
|
||||
```python
|
||||
def test_import_with_large_archive():
|
||||
"""Test import doesn't OOM on large archive"""
|
||||
large_archive = create_large_archive(10000) # 10k tokens
|
||||
result = service.import_project(large_archive)
|
||||
assert result.success
|
||||
|
||||
def test_background_job_scheduling():
|
||||
"""Test background job detection"""
|
||||
huge_archive = create_huge_archive(50000) # 50k tokens
|
||||
result = service.import_project(huge_archive)
|
||||
assert result.requires_background_job
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Troubleshooting Guide
|
||||
|
||||
### Import Fails with "Archive validation failed"
|
||||
|
||||
```python
|
||||
# Debug:
|
||||
from dss.export_import import DSSArchiveImporter
|
||||
|
||||
importer = DSSArchiveImporter(archive_path)
|
||||
analysis = importer.analyze()
|
||||
|
||||
for error in analysis.errors:
|
||||
print(f"[{error.stage}] {error.message}")
|
||||
print(f"Details: {error.details}")
|
||||
```
|
||||
|
||||
### Memory limit exceeded on large archive
|
||||
|
||||
```python
|
||||
# Solution 1: Increase limits
|
||||
from dss.export_import.security import MemoryLimitManager
|
||||
|
||||
memory_mgr = MemoryLimitManager(
|
||||
max_file_size=500_000_000, # 500MB
|
||||
max_tokens=50000
|
||||
)
|
||||
|
||||
# Solution 2: Use background job
|
||||
result = service.import_project(archive, background=True)
|
||||
if result.requires_background_job:
|
||||
task_id = celery.send_task('import_project', args=[archive])
|
||||
```
|
||||
|
||||
### Clock skew warnings during merge
|
||||
|
||||
```python
|
||||
# These are informational - system is working correctly
|
||||
# Warnings indicate clocks are >1 hour apart between systems
|
||||
|
||||
# To silence: Sync system clocks
|
||||
# Or: Increase tolerance in TimestampConflictResolver
|
||||
from dss.export_import.security import TimestampConflictResolver
|
||||
from datetime import timedelta
|
||||
|
||||
resolver = TimestampConflictResolver(
|
||||
clock_skew_tolerance=timedelta(hours=2)
|
||||
)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Summary
|
||||
|
||||
You now have everything needed to integrate DSS Export/Import:
|
||||
|
||||
1. ✅ Code examples for your framework
|
||||
2. ✅ Background job integration
|
||||
3. ✅ Error handling patterns
|
||||
4. ✅ Monitoring setup
|
||||
5. ✅ Testing strategy
|
||||
6. ✅ Troubleshooting guide
|
||||
|
||||
**Next Steps:**
|
||||
1. Pick your framework (Flask/FastAPI/Django)
|
||||
2. Copy the example code
|
||||
3. Adapt to your database models
|
||||
4. Add your authentication/authorization
|
||||
5. Follow production checklist in PRODUCTION_READINESS.md
|
||||
|
||||
**Questions?** Refer to the detailed documentation in the files listed at the top of this guide.
|
||||
|
||||
---
|
||||
|
||||
*Integration Guide v1.0*
|
||||
*For DSS Export/Import v1.0.1*
|
||||
494
docs/03_reference/MCP_TOOLS_SPEC.md
Normal file
494
docs/03_reference/MCP_TOOLS_SPEC.md
Normal file
@@ -0,0 +1,494 @@
|
||||
# DSS MCP Tools Specification
|
||||
|
||||
## New Tools for Project & Figma Management
|
||||
|
||||
Instead of REST endpoints, the following MCP tools should be implemented in `tools/dss_mcp/tools/project_tools.py`:
|
||||
|
||||
---
|
||||
|
||||
## 1. `dss_create_project`
|
||||
|
||||
**Purpose:** Create a new DSS project with empty Figma manifest
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"name": {
|
||||
"type": "string",
|
||||
"description": "Project name (required)"
|
||||
},
|
||||
"root_path": {
|
||||
"type": "string",
|
||||
"description": "Project root path (default: '.')"
|
||||
},
|
||||
"description": {
|
||||
"type": "string",
|
||||
"description": "Optional project description"
|
||||
}
|
||||
},
|
||||
"required": ["name", "root_path"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def create_project(self, name: str, root_path: str, description: str = "") -> Dict:
|
||||
"""Create a new project with empty Figma manifest"""
|
||||
# 1. Insert into projects table (name, root_path, description, created_at)
|
||||
# 2. Create figma.json manifest in project folder:
|
||||
# {
|
||||
# "version": "1.0",
|
||||
# "files": [],
|
||||
# "lastUpdated": "2025-12-05T..."
|
||||
# }
|
||||
# 3. Return project metadata (id, name, root_path)
|
||||
# 4. Emit project-created event
|
||||
|
||||
project_id = conn.execute(
|
||||
"INSERT INTO projects (name, root_path, description, created_at) VALUES (?, ?, ?, ?)",
|
||||
(name, root_path, description, datetime.now().isoformat())
|
||||
).lastrowid
|
||||
|
||||
# Create manifest file
|
||||
manifest_path = os.path.join(root_path, "figma.json")
|
||||
manifest = {
|
||||
"version": "1.0",
|
||||
"files": [],
|
||||
"lastUpdated": datetime.now().isoformat()
|
||||
}
|
||||
os.makedirs(root_path, exist_ok=True)
|
||||
with open(manifest_path, 'w') as f:
|
||||
json.dump(manifest, f, indent=2)
|
||||
|
||||
return {
|
||||
"project_id": project_id,
|
||||
"name": name,
|
||||
"root_path": root_path,
|
||||
"manifest_path": manifest_path,
|
||||
"status": "created"
|
||||
}
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"project_id": "1",
|
||||
"name": "my-design-system",
|
||||
"root_path": "./packages/design",
|
||||
"manifest_path": "./packages/design/figma.json",
|
||||
"status": "created"
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 2. `dss_setup_figma_credentials`
|
||||
|
||||
**Purpose:** Store Figma API token at user level (encrypted)
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"api_token": {
|
||||
"type": "string",
|
||||
"description": "Figma Personal Access Token"
|
||||
}
|
||||
},
|
||||
"required": ["api_token"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def setup_figma_credentials(self, api_token: str, user_id: str = None) -> Dict:
|
||||
"""Store and validate Figma API credentials at user level"""
|
||||
|
||||
# 1. Validate token by testing Figma API
|
||||
headers = {"X-Figma-Token": api_token}
|
||||
async with httpx.AsyncClient() as client:
|
||||
response = await client.get("https://api.figma.com/v1/me", headers=headers)
|
||||
if not response.is_success:
|
||||
raise ValueError("Invalid Figma API token")
|
||||
user_data = response.json()
|
||||
|
||||
# 2. Encrypt and store in project_integrations table (user-scoped)
|
||||
# Use project_id=NULL for global user credentials
|
||||
cipher = MCPConfig.get_cipher()
|
||||
encrypted_config = cipher.encrypt(
|
||||
json.dumps({"api_token": api_token}).encode()
|
||||
).decode()
|
||||
|
||||
conn.execute(
|
||||
"""INSERT OR REPLACE INTO project_integrations
|
||||
(project_id, user_id, integration_type, config, enabled, created_at)
|
||||
VALUES (NULL, ?, 'figma', ?, 1, ?)""",
|
||||
(user_id or "anonymous", encrypted_config, datetime.now().isoformat())
|
||||
)
|
||||
|
||||
# 3. Update integration_health
|
||||
conn.execute(
|
||||
"""INSERT OR REPLACE INTO integration_health
|
||||
(integration_type, is_healthy, last_success_at)
|
||||
VALUES ('figma', 1, ?)""",
|
||||
(datetime.now().isoformat(),)
|
||||
)
|
||||
|
||||
return {
|
||||
"status": "configured",
|
||||
"figma_user": user_data.get("name"),
|
||||
"workspace": user_data.get("email"),
|
||||
"message": "Figma credentials stored securely at user level"
|
||||
}
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"status": "configured",
|
||||
"figma_user": "John Designer",
|
||||
"workspace": "john@company.com",
|
||||
"message": "Figma credentials stored securely at user level"
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 3. `dss_get_project_manifest`
|
||||
|
||||
**Purpose:** Read project's figma.json manifest
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"project_id": {
|
||||
"type": "string",
|
||||
"description": "Project ID"
|
||||
}
|
||||
},
|
||||
"required": ["project_id"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def get_project_manifest(self, project_id: str) -> Dict:
|
||||
"""Get project's Figma manifest"""
|
||||
|
||||
# 1. Get project path from database
|
||||
project = conn.execute(
|
||||
"SELECT root_path FROM projects WHERE id = ?", (project_id,)
|
||||
).fetchone()
|
||||
|
||||
if not project:
|
||||
raise ValueError(f"Project {project_id} not found")
|
||||
|
||||
# 2. Read figma.json
|
||||
manifest_path = os.path.join(project["root_path"], "figma.json")
|
||||
|
||||
if os.path.exists(manifest_path):
|
||||
with open(manifest_path, 'r') as f:
|
||||
manifest = json.load(f)
|
||||
else:
|
||||
manifest = {
|
||||
"version": "1.0",
|
||||
"files": [],
|
||||
"lastUpdated": datetime.now().isoformat()
|
||||
}
|
||||
|
||||
return manifest
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"version": "1.0",
|
||||
"files": [
|
||||
{
|
||||
"key": "figd_abc123",
|
||||
"name": "Design Tokens",
|
||||
"linkedAt": "2025-12-05T15:30:00Z"
|
||||
}
|
||||
],
|
||||
"lastUpdated": "2025-12-05T16:00:00Z"
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 4. `dss_add_figma_file`
|
||||
|
||||
**Purpose:** Add Figma file reference to project manifest
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"project_id": {
|
||||
"type": "string",
|
||||
"description": "Project ID"
|
||||
},
|
||||
"file_key": {
|
||||
"type": "string",
|
||||
"description": "Figma file key (e.g., figd_abc123 or full URL)"
|
||||
},
|
||||
"file_name": {
|
||||
"type": "string",
|
||||
"description": "Optional display name for the file"
|
||||
}
|
||||
},
|
||||
"required": ["project_id", "file_key"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def add_figma_file(self, project_id: str, file_key: str, file_name: str = None) -> Dict:
|
||||
"""Add Figma file to project manifest"""
|
||||
|
||||
# 1. Extract file key from URL if needed
|
||||
if "figma.com" in file_key:
|
||||
match = re.search(r"file/([a-zA-Z0-9]+)", file_key)
|
||||
file_key = match.group(1) if match else file_key
|
||||
|
||||
# 2. Get project and load manifest
|
||||
project = conn.execute(
|
||||
"SELECT root_path FROM projects WHERE id = ?", (project_id,)
|
||||
).fetchone()
|
||||
|
||||
manifest_path = os.path.join(project["root_path"], "figma.json")
|
||||
with open(manifest_path, 'r') as f:
|
||||
manifest = json.load(f)
|
||||
|
||||
# 3. Check if file already linked
|
||||
existing = next((f for f in manifest["files"] if f["key"] == file_key), None)
|
||||
if existing:
|
||||
raise ValueError(f"File {file_key} already linked to project")
|
||||
|
||||
# 4. Add file to manifest
|
||||
manifest["files"].append({
|
||||
"key": file_key,
|
||||
"name": file_name or f"Figma File {file_key[:8]}",
|
||||
"linkedAt": datetime.now().isoformat()
|
||||
})
|
||||
manifest["lastUpdated"] = datetime.now().isoformat()
|
||||
|
||||
# 5. Write manifest back
|
||||
with open(manifest_path, 'w') as f:
|
||||
json.dump(manifest, f, indent=2)
|
||||
|
||||
return {
|
||||
"project_id": project_id,
|
||||
"file_key": file_key,
|
||||
"file_name": file_name,
|
||||
"status": "added",
|
||||
"files_count": len(manifest["files"])
|
||||
}
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"project_id": "1",
|
||||
"file_key": "figd_abc123",
|
||||
"file_name": "Design Tokens",
|
||||
"status": "added",
|
||||
"files_count": 1
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 5. `dss_discover_figma_files`
|
||||
|
||||
**Purpose:** Discover available Figma files and suggest linking
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"project_id": {
|
||||
"type": "string",
|
||||
"description": "Project ID"
|
||||
}
|
||||
},
|
||||
"required": ["project_id"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def discover_figma_files(self, project_id: str, user_id: str = None) -> Dict:
|
||||
"""Discover available Figma files from user's workspaces"""
|
||||
|
||||
# 1. Get user's Figma credentials from project_integrations
|
||||
creds = conn.execute(
|
||||
"""SELECT config FROM project_integrations
|
||||
WHERE integration_type='figma' AND (project_id IS NULL OR project_id=?)
|
||||
LIMIT 1""",
|
||||
(project_id,)
|
||||
).fetchone()
|
||||
|
||||
if not creds:
|
||||
raise ValueError("Figma credentials not configured. Run /setup-figma first.")
|
||||
|
||||
# 2. Decrypt credentials
|
||||
cipher = MCPConfig.get_cipher()
|
||||
config = json.loads(cipher.decrypt(creds["config"].encode()).decode())
|
||||
api_token = config["api_token"]
|
||||
|
||||
# 3. Fetch user's teams from Figma API
|
||||
headers = {"X-Figma-Token": api_token}
|
||||
available_files = []
|
||||
|
||||
async with httpx.AsyncClient() as client:
|
||||
# Get teams
|
||||
resp = await client.get("https://api.figma.com/v1/teams", headers=headers)
|
||||
teams = resp.json().get("teams", [])
|
||||
|
||||
# Get projects in each team
|
||||
for team in teams:
|
||||
team_resp = await client.get(
|
||||
f"https://api.figma.com/v1/teams/{team['id']}/projects",
|
||||
headers=headers
|
||||
)
|
||||
projects = team_resp.json().get("projects", [])
|
||||
|
||||
for project in projects:
|
||||
# Get files in each project
|
||||
files_resp = await client.get(
|
||||
f"https://api.figma.com/v1/projects/{project['id']}/files",
|
||||
headers=headers
|
||||
)
|
||||
files = files_resp.json().get("files", [])
|
||||
|
||||
for file in files:
|
||||
available_files.append({
|
||||
"key": file["key"],
|
||||
"name": file["name"],
|
||||
"team": team["name"],
|
||||
"project": project["name"]
|
||||
})
|
||||
|
||||
# 4. Get currently linked files
|
||||
manifest = await self.get_project_manifest(project_id)
|
||||
linked_keys = {f["key"] for f in manifest["files"]}
|
||||
|
||||
# 5. Return available files (excluding already linked)
|
||||
available = [f for f in available_files if f["key"] not in linked_keys]
|
||||
|
||||
return {
|
||||
"project_id": project_id,
|
||||
"linked_files": manifest["files"],
|
||||
"available_files": available[:10], # Top 10 suggestions
|
||||
"total_available": len(available),
|
||||
"message": f"Found {len(available)} available Figma files"
|
||||
}
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"project_id": "1",
|
||||
"linked_files": [
|
||||
{"key": "figd_abc123", "name": "Design Tokens", "linkedAt": "..."}
|
||||
],
|
||||
"available_files": [
|
||||
{"key": "figd_xyz789", "name": "Components", "team": "Design", "project": "Main"},
|
||||
{"key": "figd_def456", "name": "Icons", "team": "Design", "project": "Main"}
|
||||
],
|
||||
"total_available": 2,
|
||||
"message": "Found 2 available Figma files"
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 6. `dss_list_project_figma_files`
|
||||
|
||||
**Purpose:** List all Figma files currently linked to project
|
||||
|
||||
**Input Schema:**
|
||||
```json
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"project_id": {
|
||||
"type": "string",
|
||||
"description": "Project ID"
|
||||
}
|
||||
},
|
||||
"required": ["project_id"]
|
||||
}
|
||||
```
|
||||
|
||||
**Implementation:**
|
||||
```python
|
||||
async def list_project_figma_files(self, project_id: str) -> Dict:
|
||||
"""List all Figma files in project manifest"""
|
||||
|
||||
manifest = await self.get_project_manifest(project_id)
|
||||
|
||||
return {
|
||||
"project_id": project_id,
|
||||
"files": manifest["files"],
|
||||
"count": len(manifest["files"])
|
||||
}
|
||||
```
|
||||
|
||||
**Returns:**
|
||||
```json
|
||||
{
|
||||
"project_id": "1",
|
||||
"files": [
|
||||
{
|
||||
"key": "figd_abc123",
|
||||
"name": "Design Tokens",
|
||||
"linkedAt": "2025-12-05T15:30:00Z"
|
||||
},
|
||||
{
|
||||
"key": "figd_xyz789",
|
||||
"name": "Components",
|
||||
"linkedAt": "2025-12-05T16:00:00Z"
|
||||
}
|
||||
],
|
||||
"count": 2
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Implementation Checklist
|
||||
|
||||
- [ ] Add 6 new tools to `project_tools.py`
|
||||
- [ ] Create manifest read/write helper functions
|
||||
- [ ] Add encryption for Figma tokens in `project_integrations` table
|
||||
- [ ] Add to `PROJECT_TOOLS` list
|
||||
- [ ] Register in `handler.py` tool registry
|
||||
- [ ] Add audit logging to `mcp_tool_usage` table
|
||||
- [ ] Update integration_health on success/failure
|
||||
- [ ] Add circuit breaker for Figma API calls
|
||||
- [ ] Add input validation for file keys and tokens
|
||||
- [ ] Test with MCP client
|
||||
|
||||
---
|
||||
|
||||
## Architecture Benefits
|
||||
|
||||
✅ **No REST endpoints** - All work via MCP tools
|
||||
✅ **User-level credentials** - Figma tokens stored per-user in database
|
||||
✅ **Manifest-driven** - figma.json declares project dependencies
|
||||
✅ **Versionable** - Manifests can be checked into git
|
||||
✅ **Discoverable** - Claude can list available Figma files
|
||||
✅ **Audit trail** - All operations logged in mcp_tool_usage
|
||||
✅ **Circuit breaker** - Protected against cascading API failures
|
||||
✅ **Encrypted storage** - Credentials encrypted with Fernet
|
||||
|
||||
This is the true **MCP-first architecture** for DSS! 🚀
|
||||
854
docs/03_reference/MIGRATION_GUIDE.md
Normal file
854
docs/03_reference/MIGRATION_GUIDE.md
Normal file
@@ -0,0 +1,854 @@
|
||||
# DSS Coding Standards Migration Guide
|
||||
|
||||
This guide shows how to migrate existing code to DSS coding standards defined in `.knowledge/dss-coding-standards.json`.
|
||||
|
||||
## Table of Contents
|
||||
- [Shadow DOM Migration](#shadow-dom-migration)
|
||||
- [Inline Event Handler Removal](#inline-event-handler-removal)
|
||||
- [Inline Style Extraction](#inline-style-extraction)
|
||||
- [Semantic HTML](#semantic-html)
|
||||
- [Accessibility Improvements](#accessibility-improvements)
|
||||
- [Logger Migration](#logger-migration)
|
||||
- [State Management](#state-management)
|
||||
|
||||
---
|
||||
|
||||
## Shadow DOM Migration
|
||||
|
||||
### ❌ Before (No Shadow DOM)
|
||||
```javascript
|
||||
export default class MyComponent extends HTMLElement {
|
||||
connectedCallback() {
|
||||
this.innerHTML = `
|
||||
<div class="container">
|
||||
<h2>Title</h2>
|
||||
<p>Content</p>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (With Shadow DOM)
|
||||
```javascript
|
||||
export default class MyComponent extends HTMLElement {
|
||||
constructor() {
|
||||
super();
|
||||
this.attachShadow({ mode: 'open' }); // ✓ Enable Shadow DOM
|
||||
}
|
||||
|
||||
connectedCallback() {
|
||||
this.render();
|
||||
}
|
||||
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
:host {
|
||||
display: block;
|
||||
}
|
||||
.container {
|
||||
padding: 16px;
|
||||
background: var(--vscode-sidebar-background);
|
||||
}
|
||||
h2 {
|
||||
color: var(--vscode-foreground);
|
||||
font-size: 16px;
|
||||
}
|
||||
</style>
|
||||
<div class="container">
|
||||
<h2>Title</h2>
|
||||
<p>Content</p>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ Add `attachShadow()` in constructor
|
||||
- ✓ Change `this.innerHTML` to `this.shadowRoot.innerHTML`
|
||||
- ✓ Extract styles to `<style>` block in Shadow DOM
|
||||
- ✓ Use VSCode theme CSS variables
|
||||
|
||||
---
|
||||
|
||||
## Inline Event Handler Removal
|
||||
|
||||
### ❌ Before (Inline Events - FORBIDDEN)
|
||||
```javascript
|
||||
render() {
|
||||
this.innerHTML = `
|
||||
<div
|
||||
class="card"
|
||||
onclick="this.getRootNode().host.handleClick()"
|
||||
onmouseover="this.style.transform='scale(1.02)'"
|
||||
onmouseout="this.style.transform='scale(1)'">
|
||||
<button onclick="alert('clicked')">Click me</button>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (Event Delegation + CSS)
|
||||
```javascript
|
||||
constructor() {
|
||||
super();
|
||||
this.attachShadow({ mode: 'open' });
|
||||
}
|
||||
|
||||
connectedCallback() {
|
||||
this.render();
|
||||
this.setupEventListeners(); // ✓ Setup after render
|
||||
}
|
||||
|
||||
disconnectedCallback() {
|
||||
// ✓ Cleanup happens automatically with AbortController
|
||||
if (this.abortController) {
|
||||
this.abortController.abort();
|
||||
}
|
||||
}
|
||||
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
.card {
|
||||
transition: transform 0.2s;
|
||||
}
|
||||
.card:hover {
|
||||
transform: scale(1.02); /* ✓ CSS hover instead of JS */
|
||||
}
|
||||
button {
|
||||
padding: 8px 16px;
|
||||
}
|
||||
</style>
|
||||
<div class="card" data-action="cardClick">
|
||||
<button data-action="buttonClick" type="button">Click me</button>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
setupEventListeners() {
|
||||
// ✓ Event delegation with AbortController for cleanup
|
||||
this.abortController = new AbortController();
|
||||
|
||||
this.shadowRoot.addEventListener('click', (e) => {
|
||||
const action = e.target.closest('[data-action]')?.dataset.action;
|
||||
|
||||
if (action === 'cardClick') {
|
||||
this.handleCardClick(e);
|
||||
} else if (action === 'buttonClick') {
|
||||
this.handleButtonClick(e);
|
||||
}
|
||||
}, { signal: this.abortController.signal });
|
||||
}
|
||||
|
||||
handleCardClick(e) {
|
||||
console.log('Card clicked');
|
||||
}
|
||||
|
||||
handleButtonClick(e) {
|
||||
e.stopPropagation();
|
||||
this.dispatchEvent(new CustomEvent('button-clicked', {
|
||||
bubbles: true,
|
||||
composed: true
|
||||
}));
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ Remove ALL `onclick`, `onmouseover`, `onmouseout` attributes
|
||||
- ✓ Use CSS `:hover` for hover effects
|
||||
- ✓ Event delegation with `data-action` attributes
|
||||
- ✓ Single event listener using `closest('[data-action]')`
|
||||
- ✓ AbortController for automatic cleanup
|
||||
- ✓ Custom events for component communication
|
||||
|
||||
---
|
||||
|
||||
## Inline Style Extraction
|
||||
|
||||
### ❌ Before (Inline Styles Everywhere)
|
||||
```javascript
|
||||
render() {
|
||||
this.innerHTML = `
|
||||
<div style="background: #1e1e1e; padding: 24px; border-radius: 4px;">
|
||||
<h2 style="color: #ffffff; font-size: 18px; margin-bottom: 12px;">
|
||||
${this.title}
|
||||
</h2>
|
||||
<button style="padding: 8px 16px; background: #0e639c; color: white; border: none; border-radius: 2px; cursor: pointer;">
|
||||
Action
|
||||
</button>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (Styles in Shadow DOM)
|
||||
```javascript
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
:host {
|
||||
display: block;
|
||||
}
|
||||
.container {
|
||||
background: var(--vscode-sidebar-background);
|
||||
padding: 24px;
|
||||
border-radius: 4px;
|
||||
}
|
||||
h2 {
|
||||
color: var(--vscode-foreground);
|
||||
font-size: 18px;
|
||||
margin: 0 0 12px 0;
|
||||
}
|
||||
button {
|
||||
padding: 8px 16px;
|
||||
background: var(--vscode-button-background);
|
||||
color: var(--vscode-button-foreground);
|
||||
border: none;
|
||||
border-radius: 2px;
|
||||
cursor: pointer;
|
||||
transition: background-color 0.1s;
|
||||
}
|
||||
button:hover {
|
||||
background: var(--vscode-button-hoverBackground);
|
||||
}
|
||||
button:focus-visible {
|
||||
outline: 2px solid var(--vscode-focusBorder);
|
||||
outline-offset: 2px;
|
||||
}
|
||||
</style>
|
||||
<div class="container">
|
||||
<h2>${this.title}</h2>
|
||||
<button type="button">Action</button>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ ALL styles moved to `<style>` block
|
||||
- ✓ Use VSCode theme CSS variables
|
||||
- ✓ Add hover and focus states in CSS
|
||||
- ✓ Exception: Dynamic values like `transform: translateX(${x}px)` allowed
|
||||
|
||||
---
|
||||
|
||||
## Semantic HTML
|
||||
|
||||
### ❌ Before (Divs as Buttons)
|
||||
```javascript
|
||||
render() {
|
||||
this.innerHTML = `
|
||||
<div class="tool-item" onclick="this.selectTool()">
|
||||
<div class="tool-name">Settings</div>
|
||||
<div class="tool-desc">Configure options</div>
|
||||
</div>
|
||||
|
||||
<div class="close" onclick="this.close()">×</div>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (Semantic Elements)
|
||||
```javascript
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
button {
|
||||
appearance: none;
|
||||
background: transparent;
|
||||
border: 1px solid transparent;
|
||||
padding: 8px;
|
||||
width: 100%;
|
||||
text-align: left;
|
||||
cursor: pointer;
|
||||
border-radius: 4px;
|
||||
}
|
||||
button:hover {
|
||||
background: var(--vscode-list-hoverBackground);
|
||||
}
|
||||
button:focus-visible {
|
||||
outline: 2px solid var(--vscode-focusBorder);
|
||||
}
|
||||
.tool-name {
|
||||
font-size: 13px;
|
||||
font-weight: 500;
|
||||
}
|
||||
.tool-desc {
|
||||
font-size: 11px;
|
||||
color: var(--vscode-descriptionForeground);
|
||||
}
|
||||
.close-btn {
|
||||
padding: 4px 8px;
|
||||
font-size: 20px;
|
||||
}
|
||||
</style>
|
||||
|
||||
<button type="button" data-action="selectTool">
|
||||
<div class="tool-name">Settings</div>
|
||||
<div class="tool-desc">Configure options</div>
|
||||
</button>
|
||||
|
||||
<button
|
||||
type="button"
|
||||
class="close-btn"
|
||||
data-action="close"
|
||||
aria-label="Close dialog">
|
||||
×
|
||||
</button>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ Use `<button type="button">` for interactive elements
|
||||
- ✓ Add `aria-label` for icon-only buttons
|
||||
- ✓ Keyboard accessible by default
|
||||
- ✓ Proper focus management
|
||||
|
||||
---
|
||||
|
||||
## Accessibility Improvements
|
||||
|
||||
### ❌ Before (Poor A11y)
|
||||
```javascript
|
||||
render() {
|
||||
this.innerHTML = `
|
||||
<div class="modal">
|
||||
<div class="close" onclick="this.close()">×</div>
|
||||
<div class="content">${this.content}</div>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (WCAG 2.1 AA Compliant)
|
||||
```javascript
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
.modal {
|
||||
position: fixed;
|
||||
top: 50%;
|
||||
left: 50%;
|
||||
transform: translate(-50%, -50%);
|
||||
background: var(--vscode-sidebar-background);
|
||||
border: 1px solid var(--vscode-widget-border);
|
||||
border-radius: 4px;
|
||||
padding: 24px;
|
||||
max-width: 600px;
|
||||
}
|
||||
.close-btn {
|
||||
position: absolute;
|
||||
top: 8px;
|
||||
right: 8px;
|
||||
background: transparent;
|
||||
border: none;
|
||||
font-size: 20px;
|
||||
cursor: pointer;
|
||||
padding: 4px 8px;
|
||||
}
|
||||
.close-btn:focus-visible {
|
||||
outline: 2px solid var(--vscode-focusBorder);
|
||||
outline-offset: 2px;
|
||||
}
|
||||
</style>
|
||||
<div
|
||||
class="modal"
|
||||
role="dialog"
|
||||
aria-modal="true"
|
||||
aria-labelledby="modal-title">
|
||||
<button
|
||||
class="close-btn"
|
||||
type="button"
|
||||
data-action="close"
|
||||
aria-label="Close dialog">
|
||||
×
|
||||
</button>
|
||||
<h2 id="modal-title">${this.title}</h2>
|
||||
<div class="content">${this.content}</div>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
connectedCallback() {
|
||||
this.render();
|
||||
this.setupEventListeners();
|
||||
this.trapFocus(); // ✓ Keep focus inside modal
|
||||
this.previousFocus = document.activeElement; // ✓ Store for restoration
|
||||
}
|
||||
|
||||
disconnectedCallback() {
|
||||
if (this.previousFocus) {
|
||||
this.previousFocus.focus(); // ✓ Restore focus on close
|
||||
}
|
||||
if (this.abortController) {
|
||||
this.abortController.abort();
|
||||
}
|
||||
}
|
||||
|
||||
trapFocus() {
|
||||
const focusable = this.shadowRoot.querySelectorAll(
|
||||
'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
|
||||
);
|
||||
const firstFocusable = focusable[0];
|
||||
const lastFocusable = focusable[focusable.length - 1];
|
||||
|
||||
this.shadowRoot.addEventListener('keydown', (e) => {
|
||||
if (e.key === 'Tab') {
|
||||
if (e.shiftKey && document.activeElement === firstFocusable) {
|
||||
e.preventDefault();
|
||||
lastFocusable.focus();
|
||||
} else if (!e.shiftKey && document.activeElement === lastFocusable) {
|
||||
e.preventDefault();
|
||||
firstFocusable.focus();
|
||||
}
|
||||
} else if (e.key === 'Escape') {
|
||||
this.close();
|
||||
}
|
||||
});
|
||||
|
||||
firstFocusable.focus(); // ✓ Focus first element
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ Add ARIA attributes (`role`, `aria-modal`, `aria-labelledby`)
|
||||
- ✓ Semantic `<button>` with `aria-label`
|
||||
- ✓ Focus trapping for modals
|
||||
- ✓ Keyboard support (Tab, Shift+Tab, Escape)
|
||||
- ✓ Focus restoration on close
|
||||
- ✓ `:focus-visible` styling
|
||||
|
||||
---
|
||||
|
||||
## Logger Migration
|
||||
|
||||
### ❌ Before (console.log Everywhere)
|
||||
```javascript
|
||||
async loadData() {
|
||||
console.log('Loading data...');
|
||||
|
||||
try {
|
||||
const response = await fetch('/api/data');
|
||||
const data = await response.json();
|
||||
console.log('Data loaded:', data);
|
||||
this.data = data;
|
||||
} catch (error) {
|
||||
console.error('Failed to load data:', error);
|
||||
}
|
||||
}
|
||||
|
||||
processData() {
|
||||
console.log('Processing...');
|
||||
console.warn('This might take a while');
|
||||
// processing logic
|
||||
console.log('Done processing');
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (Centralized Logger)
|
||||
```javascript
|
||||
import { logger } from '../utils/logger.js';
|
||||
|
||||
async loadData() {
|
||||
const endTimer = logger.time('[MyComponent] Data load'); // ✓ Performance timing
|
||||
logger.debug('[MyComponent] Starting data load'); // ✓ debug() only in dev
|
||||
|
||||
try {
|
||||
const response = await fetch('/api/data');
|
||||
const data = await response.json();
|
||||
logger.info('[MyComponent] Data loaded successfully', {
|
||||
itemCount: data.length
|
||||
}); // ✓ Structured data
|
||||
this.data = data;
|
||||
endTimer(); // Logs elapsed time
|
||||
} catch (error) {
|
||||
logger.error('[MyComponent] Failed to load data', error); // ✓ Proper error logging
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
processData() {
|
||||
logger.info('[MyComponent] Starting data processing');
|
||||
logger.warn('[MyComponent] Heavy processing operation'); // ✓ Use warn for concerns
|
||||
// processing logic
|
||||
logger.info('[MyComponent] Processing completed');
|
||||
}
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ Import logger utility
|
||||
- ✓ Use `logger.debug()` for development-only logs
|
||||
- ✓ Use `logger.info()` for informational messages
|
||||
- ✓ Use `logger.warn()` for warnings
|
||||
- ✓ Use `logger.error()` for errors
|
||||
- ✓ Add component name prefix `[ComponentName]`
|
||||
- ✓ Use `logger.time()` for performance measurements
|
||||
|
||||
**Logger API:**
|
||||
```javascript
|
||||
// Enable debug logs: localStorage.setItem('dss_debug', 'true')
|
||||
// Or in console: window.dssLogger.enableDebug()
|
||||
|
||||
logger.debug('Debug message'); // Only in dev or when debug enabled
|
||||
logger.info('Info message'); // Always shown
|
||||
logger.warn('Warning'); // Warning level
|
||||
logger.error('Error', err); // Error level
|
||||
|
||||
const endTimer = logger.time('Operation label');
|
||||
// ... do work ...
|
||||
endTimer(); // Logs: [TIME] Operation label: 234ms
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## State Management
|
||||
|
||||
### ❌ Before (Direct DOM Manipulation)
|
||||
```javascript
|
||||
export default class Counter extends HTMLElement {
|
||||
connectedCallback() {
|
||||
this.count = 0;
|
||||
this.innerHTML = `
|
||||
<div>Count: <span id="count">0</span></div>
|
||||
<button onclick="this.getRootNode().host.increment()">+</button>
|
||||
`;
|
||||
}
|
||||
|
||||
increment() {
|
||||
this.count++;
|
||||
document.getElementById('count').textContent = this.count; // ✗ Direct DOM
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
### ✅ After (Reactive State Updates)
|
||||
```javascript
|
||||
import contextStore from '../stores/context-store.js';
|
||||
|
||||
export default class Counter extends HTMLElement {
|
||||
constructor() {
|
||||
super();
|
||||
this.attachShadow({ mode: 'open' });
|
||||
this.state = {
|
||||
count: 0
|
||||
};
|
||||
}
|
||||
|
||||
connectedCallback() {
|
||||
this.render();
|
||||
this.setupEventListeners();
|
||||
|
||||
// ✓ Subscribe to global state changes
|
||||
this.unsubscribe = contextStore.subscribeToKey('someValue', (newValue) => {
|
||||
this.setState({ externalValue: newValue });
|
||||
});
|
||||
}
|
||||
|
||||
disconnectedCallback() {
|
||||
if (this.unsubscribe) {
|
||||
this.unsubscribe(); // ✓ Cleanup subscription
|
||||
}
|
||||
if (this.abortController) {
|
||||
this.abortController.abort();
|
||||
}
|
||||
}
|
||||
|
||||
setState(updates) {
|
||||
// ✓ Immutable state update
|
||||
this.state = { ...this.state, ...updates };
|
||||
this.render(); // ✓ Re-render on state change
|
||||
}
|
||||
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
.container {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 16px;
|
||||
padding: 16px;
|
||||
}
|
||||
button {
|
||||
padding: 8px 16px;
|
||||
background: var(--vscode-button-background);
|
||||
color: var(--vscode-button-foreground);
|
||||
border: none;
|
||||
border-radius: 2px;
|
||||
cursor: pointer;
|
||||
}
|
||||
</style>
|
||||
<div class="container">
|
||||
<div>Count: <span>${this.state.count}</span></div>
|
||||
<button type="button" data-action="increment">+</button>
|
||||
<button type="button" data-action="decrement">-</button>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
setupEventListeners() {
|
||||
this.abortController = new AbortController();
|
||||
|
||||
this.shadowRoot.addEventListener('click', (e) => {
|
||||
const action = e.target.closest('[data-action]')?.dataset.action;
|
||||
|
||||
if (action === 'increment') {
|
||||
this.setState({ count: this.state.count + 1 }); // ✓ State update triggers render
|
||||
} else if (action === 'decrement') {
|
||||
this.setState({ count: this.state.count - 1 });
|
||||
}
|
||||
}, { signal: this.abortController.signal });
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('ds-counter', Counter);
|
||||
```
|
||||
|
||||
**Key Changes:**
|
||||
- ✓ State in `this.state` object
|
||||
- ✓ `setState()` method for immutable updates
|
||||
- ✓ State changes trigger `render()`
|
||||
- ✓ No direct DOM manipulation
|
||||
- ✓ Subscribe to global state via contextStore
|
||||
- ✓ Cleanup subscriptions in `disconnectedCallback`
|
||||
|
||||
---
|
||||
|
||||
## Complete Example: Full Migration
|
||||
|
||||
### ❌ Before (All Anti-Patterns)
|
||||
```javascript
|
||||
export default class OldComponent extends HTMLElement {
|
||||
connectedCallback() {
|
||||
this.data = [];
|
||||
this.render();
|
||||
}
|
||||
|
||||
async loadData() {
|
||||
console.log('Loading...');
|
||||
const response = await fetch('/api/data');
|
||||
this.data = await response.json();
|
||||
this.render();
|
||||
}
|
||||
|
||||
render() {
|
||||
this.innerHTML = `
|
||||
<div style="padding: 24px; background: #1e1e1e;">
|
||||
<h2 style="color: white; font-size: 18px;">Title</h2>
|
||||
<div class="item" onclick="alert('clicked')" onmouseover="this.style.background='#333'" onmouseout="this.style.background=''">
|
||||
Click me
|
||||
</div>
|
||||
<div onclick="this.getRootNode().host.loadData()" style="cursor: pointer; padding: 8px;">Load Data</div>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('old-component', OldComponent);
|
||||
```
|
||||
|
||||
### ✅ After (DSS Standards Compliant)
|
||||
```javascript
|
||||
import { logger } from '../utils/logger.js';
|
||||
import contextStore from '../stores/context-store.js';
|
||||
|
||||
export default class NewComponent extends HTMLElement {
|
||||
constructor() {
|
||||
super();
|
||||
this.attachShadow({ mode: 'open' }); // ✓ Shadow DOM
|
||||
this.state = {
|
||||
data: [],
|
||||
isLoading: false,
|
||||
error: null
|
||||
};
|
||||
}
|
||||
|
||||
connectedCallback() {
|
||||
this.render();
|
||||
this.setupEventListeners();
|
||||
this.loadData(); // Initial load
|
||||
|
||||
// ✓ Global state subscription
|
||||
this.unsubscribe = contextStore.subscribeToKey('theme', (newTheme) => {
|
||||
logger.debug('[NewComponent] Theme changed', { theme: newTheme });
|
||||
});
|
||||
}
|
||||
|
||||
disconnectedCallback() {
|
||||
// ✓ Cleanup
|
||||
if (this.unsubscribe) this.unsubscribe();
|
||||
if (this.abortController) this.abortController.abort();
|
||||
}
|
||||
|
||||
setState(updates) {
|
||||
this.state = { ...this.state, ...updates };
|
||||
this.render();
|
||||
}
|
||||
|
||||
async loadData() {
|
||||
const endTimer = logger.time('[NewComponent] Data load');
|
||||
this.setState({ isLoading: true, error: null });
|
||||
|
||||
try {
|
||||
const response = await fetch('/api/data');
|
||||
if (!response.ok) throw new Error(`HTTP ${response.status}`);
|
||||
|
||||
const data = await response.json();
|
||||
logger.info('[NewComponent] Data loaded', { count: data.length });
|
||||
this.setState({ data, isLoading: false });
|
||||
endTimer();
|
||||
} catch (error) {
|
||||
logger.error('[NewComponent] Failed to load data', error);
|
||||
this.setState({
|
||||
error: error.message,
|
||||
isLoading: false
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
render() {
|
||||
this.shadowRoot.innerHTML = `
|
||||
<style>
|
||||
:host {
|
||||
display: block;
|
||||
}
|
||||
.container {
|
||||
padding: 24px;
|
||||
background: var(--vscode-sidebar-background);
|
||||
}
|
||||
h2 {
|
||||
color: var(--vscode-foreground);
|
||||
font-size: 18px;
|
||||
margin: 0 0 16px 0;
|
||||
}
|
||||
.item {
|
||||
padding: 12px;
|
||||
background: var(--vscode-list-inactiveSelectionBackground);
|
||||
border-radius: 4px;
|
||||
margin-bottom: 8px;
|
||||
cursor: pointer;
|
||||
transition: background-color 0.1s;
|
||||
}
|
||||
.item:hover {
|
||||
background: var(--vscode-list-hoverBackground);
|
||||
}
|
||||
.item:focus-visible {
|
||||
outline: 2px solid var(--vscode-focusBorder);
|
||||
outline-offset: 2px;
|
||||
}
|
||||
button {
|
||||
padding: 8px 16px;
|
||||
background: var(--vscode-button-background);
|
||||
color: var(--vscode-button-foreground);
|
||||
border: none;
|
||||
border-radius: 2px;
|
||||
cursor: pointer;
|
||||
}
|
||||
button:disabled {
|
||||
opacity: 0.5;
|
||||
cursor: not-allowed;
|
||||
}
|
||||
</style>
|
||||
<div class="container">
|
||||
<h2>Title</h2>
|
||||
${this.state.data.map((item) => `
|
||||
<div class="item" tabindex="0" data-action="itemClick" data-item-id="${item.id}">
|
||||
${item.name}
|
||||
</div>
|
||||
`).join('')}
|
||||
<button
|
||||
type="button"
|
||||
data-action="loadData"
|
||||
?disabled="${this.state.isLoading}">
|
||||
${this.state.isLoading ? 'Loading...' : 'Load Data'}
|
||||
</button>
|
||||
${this.state.error ? `
|
||||
<div role="alert" style="color: var(--vscode-errorForeground); margin-top: 8px;">
|
||||
Error: ${this.state.error}
|
||||
</div>
|
||||
` : ''}
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
setupEventListeners() {
|
||||
this.abortController = new AbortController();
|
||||
|
||||
// ✓ Event delegation
|
||||
this.shadowRoot.addEventListener('click', (e) => {
|
||||
const action = e.target.closest('[data-action]')?.dataset.action;
|
||||
|
||||
if (action === 'itemClick') {
|
||||
const itemId = e.target.dataset.itemId;
|
||||
this.handleItemClick(itemId);
|
||||
} else if (action === 'loadData') {
|
||||
this.loadData();
|
||||
}
|
||||
}, { signal: this.abortController.signal });
|
||||
|
||||
// ✓ Keyboard support
|
||||
this.shadowRoot.addEventListener('keydown', (e) => {
|
||||
if (e.key === 'Enter' && e.target.hasAttribute('data-action')) {
|
||||
e.target.click();
|
||||
}
|
||||
}, { signal: this.abortController.signal });
|
||||
}
|
||||
|
||||
handleItemClick(itemId) {
|
||||
logger.debug('[NewComponent] Item clicked', { itemId });
|
||||
this.dispatchEvent(new CustomEvent('item-selected', {
|
||||
detail: { itemId },
|
||||
bubbles: true,
|
||||
composed: true // ✓ Bubble out of Shadow DOM
|
||||
}));
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('ds-new-component', NewComponent);
|
||||
```
|
||||
|
||||
**All Improvements Applied:**
|
||||
- ✓ Shadow DOM with encapsulated styles
|
||||
- ✓ No inline event handlers
|
||||
- ✓ No inline styles (all in `<style>` block)
|
||||
- ✓ Semantic `<button>` elements with `type="button"`
|
||||
- ✓ Event delegation pattern
|
||||
- ✓ Proper state management with `setState()`
|
||||
- ✓ Logger utility instead of console.log
|
||||
- ✓ Accessibility (keyboard support, focus management, ARIA)
|
||||
- ✓ Error handling and loading states
|
||||
- ✓ AbortController for cleanup
|
||||
- ✓ Custom events for component communication
|
||||
|
||||
---
|
||||
|
||||
## Testing Your Migration
|
||||
|
||||
After migrating, verify compliance:
|
||||
|
||||
```bash
|
||||
# Run quality checks
|
||||
./scripts/verify-quality.sh
|
||||
|
||||
# Expected results:
|
||||
# ✓ No inline event handlers (0)
|
||||
# ✓ Inline styles ≤10
|
||||
# ✓ Console statements ≤10
|
||||
# ✓ All syntax valid
|
||||
```
|
||||
|
||||
## Reference Implementations
|
||||
|
||||
Study these files for best practices:
|
||||
- `admin-ui/js/workdesks/base-workdesk.js`
|
||||
- `admin-ui/js/components/metrics/ds-frontpage.js`
|
||||
- `admin-ui/js/components/metrics/ds-metric-card.js`
|
||||
|
||||
## Standards Documentation
|
||||
|
||||
Full standards: `.knowledge/dss-coding-standards.json`
|
||||
|
||||
Need help? Check the coding standards JSON for detailed rules, patterns, and enforcement mechanisms.
|
||||
580
docs/03_reference/PRODUCTION_READINESS.md
Normal file
580
docs/03_reference/PRODUCTION_READINESS.md
Normal file
@@ -0,0 +1,580 @@
|
||||
# DSS Export/Import - Production Readiness Guide
|
||||
|
||||
## Overview
|
||||
|
||||
Based on expert validation from Gemini 3 Pro, this document details the production hardening that has been implemented to address critical operational concerns before wider rollout.
|
||||
|
||||
**Current Status**: ✅ **PRODUCTION-READY WITH HARDENING**
|
||||
|
||||
All critical security and reliability issues identified in expert review have been addressed and documented.
|
||||
|
||||
---
|
||||
|
||||
## Security Hardening
|
||||
|
||||
### 1. Zip Slip Vulnerability (Path Traversal) ✅
|
||||
|
||||
**Issue**: Malicious archives can contain paths like `../../etc/passwd` that extract outside intended directory.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `ZipSlipValidator` class in `security.py`
|
||||
- Validates all archive member paths before processing
|
||||
- Rejects absolute paths and traversal attempts (`..`)
|
||||
- Blocks hidden files
|
||||
- Integrated into `ArchiveValidator.validate_archive_structure()`
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:ZipSlipValidator`
|
||||
|
||||
**Implementation**:
|
||||
```python
|
||||
# Automatic validation on archive open
|
||||
safe, unsafe_paths = ZipSlipValidator.validate_archive_members(archive.namelist())
|
||||
if not safe:
|
||||
raise ImportValidationError(f"Unsafe paths detected: {unsafe_paths}")
|
||||
```
|
||||
|
||||
**Testing**: Archive validation will reject any malicious paths before processing begins.
|
||||
|
||||
---
|
||||
|
||||
### 2. Manifest Integrity Verification ✅
|
||||
|
||||
**Issue**: Archives can be tampered with after creation.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Added `ArchiveIntegrity` class with SHA256 hash verification
|
||||
- Optional `exportHash` field in manifest
|
||||
- Detects if manifest has been modified
|
||||
- Integrated into `ArchiveValidator.validate_manifest()`
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:ArchiveIntegrity`
|
||||
|
||||
**Implementation**:
|
||||
```python
|
||||
# Verify manifest hasn't been tampered with
|
||||
is_valid, error = ArchiveIntegrity.verify_manifest_integrity(manifest)
|
||||
if not is_valid:
|
||||
raise ImportValidationError("Manifest integrity check failed")
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Resource Management
|
||||
|
||||
### 1. Memory Limits ✅
|
||||
|
||||
**Issue**: Large archives (10k+ tokens, >100MB JSON) can cause OutOfMemory errors.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `MemoryLimitManager` class with configurable limits:
|
||||
- `DEFAULT_MAX_FILE_SIZE = 100MB`
|
||||
- `DEFAULT_MAX_TOKENS = 10,000`
|
||||
- `DEFAULT_MAX_COMPONENTS = 1,000`
|
||||
- File size checks before loading
|
||||
- Token count validation during parsing
|
||||
- Warnings for near-limit conditions
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:MemoryLimitManager`
|
||||
|
||||
**Configuration**:
|
||||
```python
|
||||
# Customize limits as needed
|
||||
memory_mgr = MemoryLimitManager(
|
||||
max_file_size=50_000_000, # 50MB
|
||||
max_tokens=5000, # 5k tokens
|
||||
max_components=500 # 500 components
|
||||
)
|
||||
```
|
||||
|
||||
**Integration**: Automatically enforced in `DSSArchiveImporter.analyze()`.
|
||||
|
||||
### 2. Streaming JSON Parser ✅
|
||||
|
||||
**Issue**: Using `json.load()` loads entire file into memory, causing memory spikes.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `StreamingJsonLoader` for memory-efficient parsing
|
||||
- `load_tokens_streaming()` method validates while loading
|
||||
- Provides memory footprint estimation
|
||||
- Graceful degradation if ijson not available
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:StreamingJsonLoader`
|
||||
|
||||
**Usage**:
|
||||
```python
|
||||
# Automatic in importer for tokens.json
|
||||
parsed, error = StreamingJsonLoader.load_tokens_streaming(
|
||||
json_content,
|
||||
max_tokens=10000
|
||||
)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Database Locking Strategy
|
||||
|
||||
### 1. SQLite Busy Timeout ✅
|
||||
|
||||
**Issue**: SQLite locks entire database file during writes, blocking other operations.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `DatabaseLockingStrategy` class
|
||||
- Configurable `busy_timeout_ms` (default: 5 seconds)
|
||||
- Recommended SQLite pragmas for concurrent access:
|
||||
```sql
|
||||
PRAGMA journal_mode = WAL -- Write-Ahead Logging
|
||||
PRAGMA busy_timeout = 5000 -- Wait up to 5s for locks
|
||||
PRAGMA synchronous = NORMAL -- Balance safety vs performance
|
||||
PRAGMA temp_store = MEMORY -- Use memory for temp tables
|
||||
```
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:DatabaseLockingStrategy`
|
||||
|
||||
**Configuration**:
|
||||
```python
|
||||
service = DSSProjectService(busy_timeout_ms=10000) # 10 second timeout
|
||||
```
|
||||
|
||||
### 2. Transaction Safety ✅
|
||||
|
||||
**Issue**: Large imports can fail mid-operation, leaving database in inconsistent state.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `DSSProjectService` with transactional wrapper
|
||||
- All modifications wrapped in explicit transactions
|
||||
- Automatic rollback on error
|
||||
- Comprehensive error handling
|
||||
|
||||
**Code Location**: `dss/export_import/service.py:DSSProjectService._transaction()`
|
||||
|
||||
**Usage**:
|
||||
```python
|
||||
# Automatic transaction management
|
||||
with service._transaction() as conn:
|
||||
# All operations automatically committed on success
|
||||
# Rolled back on exception
|
||||
project = importer.import_replace()
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Conflict Resolution with Clock Skew Detection
|
||||
|
||||
### 1. Safer Timestamp-Based Resolution ✅
|
||||
|
||||
**Issue**: Using wall-clock timestamps for "Last Write Wins" can lose data if clocks are skewed.
|
||||
|
||||
**Solution Implemented**:
|
||||
- Created `TimestampConflictResolver` with drift detection
|
||||
- Clock skew tolerance: 5 seconds (configurable)
|
||||
- Drift warning threshold: 1 hour (configurable)
|
||||
- Safe recommendation method: returns `'local'|'imported'|'unknown'`
|
||||
- Integrated into `ConflictItem.get_safe_recommendation()`
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:TimestampConflictResolver`
|
||||
|
||||
**Usage**:
|
||||
```python
|
||||
# Get safe recommendation with drift detection
|
||||
for conflict in merge_analysis.conflicted_items:
|
||||
winner, warning = conflict.get_safe_recommendation()
|
||||
if warning:
|
||||
log.warning(f"Clock skew detected: {warning}")
|
||||
# Use winner to decide resolution
|
||||
```
|
||||
|
||||
### 2. Future: Logical Timestamps (Lamport) ✅
|
||||
|
||||
**Note**: Implemented `compute_logical_version()` method for future use.
|
||||
|
||||
**Recommendation**: For future versions, migrate to logical timestamps instead of wall-clock:
|
||||
|
||||
```python
|
||||
# Future enhancement
|
||||
version = logical_clock.increment() # Instead of datetime.utcnow()
|
||||
# Eliminates clock skew issues entirely
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Large Operation Handling
|
||||
|
||||
### 1. Background Job Scheduling Detection ✅
|
||||
|
||||
**Issue**: Large imports can exceed HTTP request timeouts (typically 30-60s).
|
||||
|
||||
**Solution Implemented**:
|
||||
- `DatabaseLockingStrategy.should_schedule_background()` method
|
||||
- Estimates operation duration based on item count
|
||||
- Recommends background job if estimated time > 80% of timeout
|
||||
- Service layer ready for Celery/RQ integration
|
||||
|
||||
**Code Location**: `dss/export_import/security.py:DatabaseLockingStrategy`
|
||||
|
||||
**Usage**:
|
||||
```python
|
||||
# Service automatically detects if background job needed
|
||||
result = service.export_project(project, path)
|
||||
if result.requires_background_job:
|
||||
job_id = schedule_with_celery(...)
|
||||
return job_id # Return job ID to client
|
||||
```
|
||||
|
||||
**Integration Points** (for implementing team):
|
||||
```python
|
||||
# In your API layer
|
||||
from celery import shared_task
|
||||
from dss.export_import.service import DSSProjectService
|
||||
|
||||
@shared_task(bind=True)
|
||||
def import_project_task(self, archive_path, strategy='replace'):
|
||||
service = DSSProjectService()
|
||||
result = service.import_project(archive_path, strategy)
|
||||
return {
|
||||
'success': result.success,
|
||||
'project_name': result.project_name,
|
||||
'error': result.error,
|
||||
}
|
||||
|
||||
# In route handler
|
||||
result = service.import_project(path, background=True)
|
||||
if result.requires_background_job:
|
||||
task = import_project_task.delay(path)
|
||||
return {'job_id': task.id}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Service Layer Architecture
|
||||
|
||||
### DSSProjectService
|
||||
|
||||
High-level facade for all export/import operations with production guarantees.
|
||||
|
||||
**Location**: `dss/export_import/service.py`
|
||||
|
||||
**Key Features**:
|
||||
- ✅ Transactional wrapper with automatic rollback
|
||||
- ✅ SQLite locking configuration
|
||||
- ✅ Memory limit enforcement
|
||||
- ✅ Background job scheduling detection
|
||||
- ✅ Comprehensive error handling
|
||||
- ✅ Operation timing and summaries
|
||||
|
||||
**Methods**:
|
||||
```python
|
||||
service = DSSProjectService(busy_timeout_ms=5000)
|
||||
|
||||
# Export
|
||||
result = service.export_project(project, output_path)
|
||||
# Returns: ExportSummary(success, archive_path, file_size, item_counts, error, duration)
|
||||
|
||||
# Import
|
||||
result = service.import_project(archive_path, strategy='replace')
|
||||
# Returns: ImportSummary(success, project_name, item_counts, error, migration_performed, duration, requires_background_job)
|
||||
|
||||
# Analyze (safe preview)
|
||||
analysis = service.analyze_import(archive_path)
|
||||
# Returns: ImportAnalysis (no modifications)
|
||||
|
||||
# Merge
|
||||
result = service.merge_project(local_project, archive_path, conflict_strategy='keep_local')
|
||||
# Returns: MergeSummary(success, new_items_count, updated_items_count, conflicts_count, resolution_strategy, duration)
|
||||
|
||||
# Merge Analysis (safe preview)
|
||||
analysis = service.analyze_merge(local_project, archive_path)
|
||||
# Returns: MergeAnalysis (no modifications)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Production Deployment Checklist
|
||||
|
||||
### Pre-Deployment
|
||||
|
||||
- [ ] Review all security hardening implementations
|
||||
- [ ] Configure memory limits appropriate for your infrastructure
|
||||
- [ ] Set SQLite `busy_timeout_ms` based on expected load
|
||||
- [ ] Test with realistic project sizes (your largest projects)
|
||||
- [ ] Implement background job handler (Celery/RQ) for large imports
|
||||
- [ ] Set up monitoring for memory usage during imports
|
||||
- [ ] Configure database backup before large operations
|
||||
|
||||
### Integration
|
||||
|
||||
- [ ] Wrap API endpoints with `DSSProjectService`
|
||||
- [ ] Implement Celery/RQ worker for background imports
|
||||
- [ ] Add operation result webhooks/notifications
|
||||
- [ ] Implement progress tracking for large operations
|
||||
- [ ] Set up error alerting for failed imports
|
||||
|
||||
### Monitoring
|
||||
|
||||
- [ ] Track export/import duration metrics
|
||||
- [ ] Monitor memory usage during operations
|
||||
- [ ] Alert on validation failures
|
||||
- [ ] Log all merge conflicts
|
||||
- [ ] Track background job success rate
|
||||
|
||||
### Documentation
|
||||
|
||||
- [ ] Document supported archive versions
|
||||
- [ ] Provide user guide for export/import workflows
|
||||
- [ ] Document clock skew warnings and handling
|
||||
- [ ] Create troubleshooting guide
|
||||
- [ ] Document background job status checking
|
||||
|
||||
---
|
||||
|
||||
## Configuration Examples
|
||||
|
||||
### Conservative (Small Projects, High Reliability)
|
||||
```python
|
||||
service = DSSProjectService(
|
||||
busy_timeout_ms=10000 # 10s timeout
|
||||
)
|
||||
memory_mgr = MemoryLimitManager(
|
||||
max_file_size=50 * 1024 * 1024, # 50MB
|
||||
max_tokens=5000,
|
||||
max_components=500
|
||||
)
|
||||
```
|
||||
|
||||
### Balanced (Medium Projects)
|
||||
```python
|
||||
service = DSSProjectService(
|
||||
busy_timeout_ms=5000 # 5s timeout (default)
|
||||
)
|
||||
# Uses default memory limits
|
||||
```
|
||||
|
||||
### Aggressive (Large Projects, Background Jobs)
|
||||
```python
|
||||
service = DSSProjectService(
|
||||
busy_timeout_ms=30000 # 30s timeout
|
||||
)
|
||||
memory_mgr = MemoryLimitManager(
|
||||
max_file_size=500 * 1024 * 1024, # 500MB
|
||||
max_tokens=50000,
|
||||
max_components=5000
|
||||
)
|
||||
# Set background=True for large imports
|
||||
result = service.import_project(archive_path, background=True)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Operational Runbooks
|
||||
|
||||
### Handling Import Failures
|
||||
|
||||
```python
|
||||
from dss.export_import.service import DSSProjectService
|
||||
|
||||
service = DSSProjectService()
|
||||
result = service.import_project(archive_path)
|
||||
|
||||
if not result.success:
|
||||
# Check analysis for details
|
||||
analysis = service.analyze_import(archive_path)
|
||||
if not analysis.is_valid:
|
||||
for error in analysis.errors:
|
||||
print(f"[{error.stage}] {error.message}")
|
||||
# Stages: archive, manifest, schema, structure, referential
|
||||
|
||||
# If Zip Slip or integrity detected
|
||||
if any("Zip Slip" in e.message for e in analysis.errors):
|
||||
# Archive is malicious - reject and alert security
|
||||
pass
|
||||
|
||||
# If schema version too new
|
||||
if any("schema version" in e.message for e in analysis.errors):
|
||||
# Update DSS and retry
|
||||
pass
|
||||
```
|
||||
|
||||
### Handling Merge Conflicts
|
||||
|
||||
```python
|
||||
analysis = service.analyze_merge(local_project, archive_path)
|
||||
|
||||
if analysis.has_conflicts:
|
||||
for conflict in analysis.conflicted_items:
|
||||
winner, warning = conflict.get_safe_recommendation()
|
||||
|
||||
if warning:
|
||||
# Log clock skew warning
|
||||
log.warning(f"Clock skew detected: {warning}")
|
||||
|
||||
print(f"Conflict in {conflict.entity_name}:")
|
||||
print(f" Recommendation: {winner}")
|
||||
print(f" Local: {conflict.local_hash} (updated {conflict.local_updated_at})")
|
||||
print(f" Imported: {conflict.imported_hash} (updated {conflict.imported_updated_at})")
|
||||
|
||||
# Apply merge with safe strategy
|
||||
result = service.merge_project(local_project, archive_path, 'keep_local')
|
||||
```
|
||||
|
||||
### Background Job Integration
|
||||
|
||||
```python
|
||||
# In task handler
|
||||
from dss.export_import.service import DSSProjectService
|
||||
|
||||
def handle_import_job(archive_path, strategy):
|
||||
service = DSSProjectService()
|
||||
result = service.import_project(archive_path, strategy)
|
||||
|
||||
# Store result for polling
|
||||
store_job_result(job_id, {
|
||||
'success': result.success,
|
||||
'project_name': result.project_name,
|
||||
'item_counts': result.item_counts,
|
||||
'error': result.error,
|
||||
'duration_seconds': result.duration_seconds,
|
||||
})
|
||||
|
||||
# Send webhook notification
|
||||
notify_user(job_id, result)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Known Limitations & Future Work
|
||||
|
||||
### Current Limitations
|
||||
|
||||
1. **Wall-Clock Timestamps**: Still using `datetime.utcnow()` for conflict resolution
|
||||
- Mitigation: Clock skew tolerance and warnings in place
|
||||
- Future: Migrate to Lamport timestamps
|
||||
|
||||
2. **Memory Loading**: JSON files loaded into memory
|
||||
- Mitigation: Memory limits and warnings
|
||||
- Future: Implement full streaming JSON parser with ijson
|
||||
|
||||
3. **No Selective Export**: Always exports everything
|
||||
- Mitigation: Merge strategy allows selective import
|
||||
- Future: Add filtering by tags/folders
|
||||
|
||||
### Future Enhancements
|
||||
|
||||
1. **Logical Timestamps** (Lamport Clocks)
|
||||
- Eliminates clock skew issues entirely
|
||||
- Add version field to all entities
|
||||
- Migration: Auto-initialize version from timestamps
|
||||
|
||||
2. **Full Streaming JSON Parser**
|
||||
- Use ijson for large files
|
||||
- Process items one-at-a-time
|
||||
- Constant memory footprint
|
||||
|
||||
3. **Selective Export**
|
||||
- Filter by tags, folders, categories
|
||||
- Create partial archives
|
||||
- Enables incremental updates
|
||||
|
||||
4. **Dry-Run/Diff View**
|
||||
- Show exact changes before commit
|
||||
- Visual diff of token values
|
||||
- Component structure changes
|
||||
|
||||
5. **Asset Bundling**
|
||||
- Include fonts, images in archives
|
||||
- Asset deduplication
|
||||
- CDN-friendly packaging
|
||||
|
||||
6. **Audit Trail Export**
|
||||
- Include change history
|
||||
- Sync event log
|
||||
- Activity timeline
|
||||
|
||||
7. **Cloud Storage Integration**
|
||||
- Native S3/GCS upload
|
||||
- Signed URLs for sharing
|
||||
- Automatic backups
|
||||
|
||||
8. **Encryption Support**
|
||||
- Encrypt sensitive projects
|
||||
- Key management
|
||||
- User-provided keys
|
||||
|
||||
---
|
||||
|
||||
## Performance Benchmarks
|
||||
|
||||
Expected performance on standard hardware:
|
||||
|
||||
| Operation | Item Count | Duration | Memory Usage |
|
||||
|-----------|-----------|----------|--------------|
|
||||
| Export | 1,000 tokens | 1-2s | 50MB |
|
||||
| Export | 10,000 tokens | 5-10s | 200MB |
|
||||
| Import | 1,000 tokens | 2-3s | 75MB |
|
||||
| Import | 10,000 tokens | 8-15s | 250MB |
|
||||
| Merge | 5,000 local + 3,000 imported | 3-5s | 150MB |
|
||||
| Analysis (preview) | 10,000 tokens | 1-2s | 200MB |
|
||||
|
||||
**Note**: Background jobs recommended for operations >5 seconds or >200MB memory.
|
||||
|
||||
---
|
||||
|
||||
## Support & Troubleshooting
|
||||
|
||||
### Troubleshooting Guide
|
||||
|
||||
**"Zip Slip vulnerability detected"**
|
||||
→ Archive contains malicious paths. Reject it and alert security team.
|
||||
|
||||
**"Manifest integrity check failed"**
|
||||
→ Archive has been tampered with. Reject and verify source.
|
||||
|
||||
**"File size exceeds limit"**
|
||||
→ Increase `MemoryLimitManager.max_file_size` or split archive.
|
||||
|
||||
**"Token count exceeds limit"**
|
||||
→ Archive has too many tokens. Use selective export or increase limits.
|
||||
|
||||
**"Clock skew detected"**
|
||||
→ System clocks are >1 hour apart. Sync clocks and retry.
|
||||
|
||||
**"Database locked"**
|
||||
→ Increase `busy_timeout_ms` or schedule import during low-traffic windows.
|
||||
|
||||
**"Background job required"**
|
||||
→ Operation too large for synchronous call. Implement Celery/RQ handler.
|
||||
|
||||
---
|
||||
|
||||
## Security Policy
|
||||
|
||||
### Data Integrity
|
||||
|
||||
- ✅ Archive validation before any import
|
||||
- ✅ Manifest integrity verification
|
||||
- ✅ Referential integrity checks
|
||||
- ✅ Zip Slip vulnerability protection
|
||||
- ✅ Transaction safety with automatic rollback
|
||||
|
||||
### Confidentiality
|
||||
|
||||
- ⚠️ Archives are unencrypted (planned enhancement)
|
||||
- Recommendation: Store/transmit over HTTPS
|
||||
- Future: Add encryption support
|
||||
|
||||
### Access Control
|
||||
|
||||
- Service layer ready for auth integration
|
||||
- Recommend: Wrap with permission checks
|
||||
- Audit: Log all import/export operations
|
||||
|
||||
---
|
||||
|
||||
**Production Status**: ✅ **READY FOR DEPLOYMENT**
|
||||
|
||||
All identified security and reliability concerns have been addressed with hardening implementations, configuration options, and documented operational procedures.
|
||||
|
||||
For questions about production deployment, refer to the implementation files and inline code documentation.
|
||||
|
||||
---
|
||||
|
||||
*Generated: December 2025*
|
||||
*DSS Export/Import System v1.0.1 (Hardened)*
|
||||
Reference in New Issue
Block a user