OpenMind v1 : cartes mentales libres, local-first et dockerisees
Premiere version fonctionnelle, demarrable avec `docker compose up -d --build` sur http://localhost:8080. Architecture - Frontend React 18 / TypeScript strict / Vite / Tailwind, canvas @xyflow/react, etat Zustand, persistance IndexedDB via Dexie, auto-layout dagre. - Backend FastAPI / SQLAlchemy 2 / Pydantic v2 / SQLite, qui sert aussi les fichiers statiques du frontend compile. - Image Docker multi-stage, un seul service, bind mount ./data pour SQLite. Local-first Les cartes restent dans le navigateur. Le serveur ne recoit une carte que sur demande explicite de partage. Partage Deux secrets distincts : share_token public en lecture seule dans l'URL, et management_token conserve uniquement cote client, transmis en en-tete pour les modifications et stocke hashe en base. Fonctionnalites Tableau de bord, editeur complet (undo/redo, copier/coller, raccourcis, branches repliables, recherche), 9 themes, 4 dispositions automatiques, panneau de proprietes, import/export .mmap, export PNG/SVG/PDF, impression, page publique en lecture seule, PWA. Qualite 25 tests pytest et 43 tests vitest au vert, ruff et ESLint sans erreur, TypeScript strict sans erreur. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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131
backend/app/services/shares.py
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131
backend/app/services/shares.py
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"""Logique metier du partage de cartes."""
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from __future__ import annotations
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import json
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import logging
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from app.config import get_settings
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from app.models.share import SharedMap, utcnow
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from app.schemas.map import MapDocumentIn
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from app.services.errors import (
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ShareForbiddenError,
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ShareNotFoundError,
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SharePayloadTooLargeError,
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)
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from app.services.tokens import (
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generate_management_token,
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generate_share_token,
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hash_token,
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verify_token,
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)
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logger = logging.getLogger(__name__)
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def serialize_map(document: MapDocumentIn) -> str:
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"""Serialise le document carte en JSON compact et deterministe."""
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return json.dumps(
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document.model_dump(mode="json"),
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ensure_ascii=False,
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separators=(",", ":"),
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)
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def _guard_payload_size(payload: str) -> None:
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settings = get_settings()
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size = len(payload.encode("utf-8"))
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if size > settings.max_map_size_bytes:
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raise SharePayloadTooLargeError(
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f"La carte fait {size / (1024 * 1024):.1f} Mo, "
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f"la limite est de {settings.max_map_size_mb} Mo."
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)
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def _get_by_token(session: Session, share_token: str) -> SharedMap:
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stmt = select(SharedMap).where(SharedMap.share_token == share_token)
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share = session.execute(stmt).scalar_one_or_none()
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if share is None:
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raise ShareNotFoundError()
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return share
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def create_share(session: Session, *, title: str, document: MapDocumentIn) -> tuple[SharedMap, str]:
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"""Cree un partage et retourne (entite, management_token en clair).
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Le management token en clair n'est renvoye qu'ici, une seule fois.
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"""
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payload = serialize_map(document)
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_guard_payload_size(payload)
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management_token = generate_management_token()
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share = SharedMap(
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share_token=generate_share_token(),
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management_token_hash=hash_token(management_token),
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title=(title or document.name or "Carte sans titre")[: get_settings().max_title_length],
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map_version=document.version,
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map_data=payload,
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)
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session.add(share)
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session.commit()
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session.refresh(share)
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logger.info("Partage cree share_token=%s nodes=%s", share.share_token, len(document.nodes))
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return share, management_token
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def get_share(session: Session, share_token: str) -> SharedMap:
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return _get_by_token(session, share_token)
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def load_map_data(share: SharedMap) -> dict:
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"""Deserialise le snapshot stocke. Ne fait qu'un json.loads : aucun code execute."""
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try:
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data = json.loads(share.map_data)
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except json.JSONDecodeError: # pragma: no cover - donnee corrompue
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logger.exception("Snapshot illisible pour share_token=%s", share.share_token)
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raise ShareNotFoundError("Le contenu de ce partage est illisible.") from None
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if not isinstance(data, dict): # pragma: no cover - donnee corrompue
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raise ShareNotFoundError("Le contenu de ce partage est illisible.")
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return data
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def update_share(
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session: Session,
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share_token: str,
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*,
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management_token: str,
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title: str,
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document: MapDocumentIn,
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) -> SharedMap:
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share = _get_by_token(session, share_token)
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if not verify_token(management_token, share.management_token_hash):
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logger.warning("Tentative de mise a jour refusee share_token=%s", share_token)
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raise ShareForbiddenError()
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payload = serialize_map(document)
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_guard_payload_size(payload)
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share.title = (title or document.name or share.title)[: get_settings().max_title_length]
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share.map_version = document.version
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share.map_data = payload
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share.updated_at = utcnow()
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session.commit()
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session.refresh(share)
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logger.info("Partage mis a jour share_token=%s", share_token)
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return share
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def delete_share(session: Session, share_token: str, *, management_token: str) -> None:
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share = _get_by_token(session, share_token)
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if not verify_token(management_token, share.management_token_hash):
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logger.warning("Tentative de suppression refusee share_token=%s", share_token)
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raise ShareForbiddenError()
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session.delete(share)
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session.commit()
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logger.info("Partage supprime share_token=%s", share_token)
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