mirror of
https://github.com/jokob-sk/NetAlertX.git
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66 lines
1.5 KiB
Markdown
66 lines
1.5 KiB
Markdown
---
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name: netalertx-code-standards
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description: NetAlertX coding standards and conventions. Use this when writing code, reviewing code, or implementing features.
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---
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# Code Standards
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## File Length
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Keep code files under 500 lines. Split larger files into modules.
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## DRY Principle
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Do not re-implement functionality. Reuse existing methods or refactor to create shared methods.
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## Database Access
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- Never access DB directly from application layers
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- Use `server/db/db_helper.py` functions (e.g., `get_table_json`)
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- Implement new functionality in handlers (e.g., `DeviceInstance` in `server/models/device_instance.py`)
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## MAC Address Handling
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Always validate and normalize MACs before DB writes:
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```python
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from plugin_helper import normalize_mac
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mac = normalize_mac(raw_mac)
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```
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## Subprocess Safety
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**MANDATORY:** All subprocess calls must set explicit timeouts.
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```python
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result = subprocess.run(cmd, timeout=60) # Minimum 60s
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```
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Nested subprocess calls need their own timeout—outer timeout won't save you.
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## Time Utilities
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```python
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from utils.datetime_utils import timeNowDB
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timestamp = timeNowDB()
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```
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## String Sanitization
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Use sanitizers from `server/helper.py` before storing user input.
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## Devcontainer Constraints
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- Never `chmod` or `chown` during operations
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- Everything is already writable
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- If permissions needed, fix `.devcontainer/scripts/setup.sh`
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## Path Hygiene
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- Use environment variables for runtime paths
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- `/data` for persistent config/db
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- `/tmp` for runtime logs/api/nginx state
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- Never hardcode `/data/db` or use relative paths
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