feat(auth): implement comprehensive security enhancements

.env.example

@@ -1,32 +1,97 @@
-# ============================================
-# Configuration Linux VPS - API Principale
-# ============================================
+# === Environment ===
+ENVIRONMENT=development
+# Options: development, staging, production
 
-# === Sage Gateway Windows ===
-SAGE_GATEWAY_URL=http://192.168.1.50:8100
-SAGE_GATEWAY_TOKEN=4e8f9c2a7b1d5e3f9a0c8b7d6e5f4a3b2c1d0e9f8a7b6c5d4e3f2a1b0c9d8e7f
+# === JWT & Authentication ===
+# IMPORTANT: Generer des secrets uniques et forts en production
+# python -c "import secrets; print(secrets.token_urlsafe(64))"
+JWT_SECRET=CHANGE_ME_IN_PRODUCTION_USE_STRONG_SECRET_64_CHARS_MIN
+JWT_ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=15
+REFRESH_TOKEN_EXPIRE_DAYS=7
+CSRF_TOKEN_EXPIRE_MINUTES=60
 
-# === Base de données ===
+# === Cookie Settings ===
+COOKIE_DOMAIN=
+# Laisser vide pour localhost, sinon ".example.com" pour sous-domaines
+COOKIE_SECURE=false
+# Mettre true en production avec HTTPS
+COOKIE_SAMESITE=strict
+# Options: strict, lax, none
+COOKIE_HTTPONLY=true
+COOKIE_ACCESS_TOKEN_NAME=access_token
+COOKIE_REFRESH_TOKEN_NAME=refresh_token
+COOKIE_CSRF_TOKEN_NAME=csrf_token
+
+# === Redis (Token Blacklist & Rate Limiting) ===
+REDIS_URL=redis://localhost:6379/0
+REDIS_PASSWORD=
+REDIS_SSL=false
+TOKEN_BLACKLIST_PREFIX=blacklist:
+RATE_LIMIT_PREFIX=ratelimit:
+
+# === Rate Limiting ===
+RATE_LIMIT_LOGIN_ATTEMPTS=5
+RATE_LIMIT_LOGIN_WINDOW_MINUTES=15
+RATE_LIMIT_API_REQUESTS=100
+RATE_LIMIT_API_WINDOW_SECONDS=60
+
+# === Password Security ===
+PASSWORD_MIN_LENGTH=8
+PASSWORD_REQUIRE_UPPERCASE=true
+PASSWORD_REQUIRE_LOWERCASE=true
+PASSWORD_REQUIRE_DIGIT=true
+PASSWORD_REQUIRE_SPECIAL=true
+ACCOUNT_LOCKOUT_THRESHOLD=5
+ACCOUNT_LOCKOUT_DURATION_MINUTES=30
+
+# === Device Fingerprint ===
+FINGERPRINT_SECRET=
+# Si vide, utilise JWT_SECRET
+FINGERPRINT_COMPONENTS=user_agent,accept_language,accept_encoding
+
+# === Refresh Token Rotation ===
+REFRESH_TOKEN_ROTATION_ENABLED=true
+REFRESH_TOKEN_REUSE_WINDOW_SECONDS=10
+
+# === Database ===
 DATABASE_URL=sqlite+aiosqlite:///./data/sage_dataven.db
+# PostgreSQL: postgresql+asyncpg://user:password@localhost:5432/dbname
 
-# === SMTP ===
-SMTP_HOST=smtp.office365.com
+# === Sage Gateway (Windows) ===
+SAGE_GATEWAY_URL=http://windows-server:5000
+SAGE_GATEWAY_TOKEN=your_gateway_token
+
+# === Frontend ===
+FRONTEND_URL=http://localhost:3000
+
+# === SMTP (Email) ===
+SMTP_HOST=smtp.example.com
 SMTP_PORT=587
-SMTP_USER=commercial@monentreprise.fr
-SMTP_PASSWORD=MonMotDePasseEmail123!
-SMTP_FROM=commercial@monentreprise.fr
+SMTP_USER=noreply@example.com
+SMTP_PASSWORD=your_smtp_password
+SMTP_FROM=noreply@example.com
+SMTP_USE_TLS=true
 
-# === Universign ===
-UNIVERSIGN_API_KEY=your_real_universign_key_here
+# === Universign (Signature electronique) ===
+UNIVERSIGN_API_KEY=your_universign_api_key
 UNIVERSIGN_API_URL=https://api.universign.com/v1
 
-# === API ===
+# === API Server ===
 API_HOST=0.0.0.0
-API_PORT=8002
-API_RELOAD=False
+API_PORT=8000
+API_RELOAD=true
+# Mettre false en production
 
-# === Email Queue ===
-MAX_EMAIL_WORKERS=3
+# === CORS ===
+# Liste separee par virgules des origines autorisees
+CORS_ORIGINS=["*"]
 
-# === Logs ===
-LOG_LEVEL=INFO
+# === Sage Document Types ===
+SAGE_TYPE_DEVIS=0
+SAGE_TYPE_BON_COMMANDE=10
+SAGE_TYPE_PREPARATION=20
+SAGE_TYPE_BON_LIVRAISON=30
+SAGE_TYPE_BON_RETOUR=40
+SAGE_TYPE_BON_AVOIR=50
+SAGE_TYPE_FACTURE=60

api.py

@@ -1,6 +1,6 @@
 from fastapi import FastAPI, HTTPException, Path, Query, Depends, status, Body, Request
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import StreamingResponse
+from fastapi.responses import JSONResponse, StreamingResponse
 from fastapi.encoders import jsonable_encoder
 from pydantic import BaseModel, Field, EmailStr
 from typing import List, Optional
@@ -17,20 +17,20 @@ import os
 from pathlib import Path as FilePath
 from data.data import TAGS_METADATA, templates_signature_email
 from routes.auth import router as auth_router
-from config import settings
+from config.config import settings
 from database import (
     init_db,
+    close_db,
     async_session_factory,
     get_session,
     EmailLog,
     StatutEmail as StatutEmailEnum,
     WorkflowLog,
     SignatureLog,
-    StatutSignature as StatutSignatureEnum,
+    StatutSignature,
 )
-from email_queue import email_queue
-from sage_client import sage_client, SageGatewayClient
-
+from services.email_queue import email_queue
+from sage.sage_client import sage_client, SageGatewayClient
 from schemas import (
     TiersDetails,
     BaremeRemiseResponse,
@@ -58,7 +58,6 @@ from schemas import (
     LivraisonCreateRequest,
     LivraisonUpdateRequest,
     SignatureRequest,
-    StatutSignature,
     ArticleCreateRequest,
     ArticleResponse,
     ArticleUpdateRequest,
@@ -72,13 +71,20 @@ from schemas import (
     ContactUpdate,
 )
 from utils.normalization import normaliser_type_tiers
-
 from routes.sage_gateway import router as sage_gateway_router
+from services.redis_service import redis_service
 from core.sage_context import (
     get_sage_client_for_user,
     get_gateway_context_for_user,
     GatewayContext,
 )
+from middleware.security import (
+    setup_security_middleware,
+    init_security_services,
+    shutdown_security_services,
+    RateLimitMiddleware,
+)
+
 
 if os.path.exists("/app"):
     LOGS_DIR = FilePath("/app/logs")
@@ -112,33 +118,61 @@ async def lifespan(app: FastAPI):
     email_queue.start(num_workers=settings.max_email_workers)
     logger.info("Email queue démarrée")
 
+    try:
+        await init_security_services()
+        logger.info("Services de securite initialises")
+    except Exception as e:
+        logger.warning(f"Redis non disponible, mode degrade active: {e}")
+
     yield
 
+    await shutdown_security_services()
+    await close_db()
+
     email_queue.stop()
     logger.info("Services arrêtés")
 
 
 app = FastAPI(
-    title="Sage Gateways",
+    title="Sage API Securisee",
     version="3.0.0",
-    description="Configuration multi-tenant des connexions Sage Gateway",
+    description="API avec authentification securisee par cookies HttpOnly",
     lifespan=lifespan,
     openapi_tags=TAGS_METADATA,
+    docs_url="/docs" if settings.is_development else None,
+    redoc_url="/redoc" if settings.is_development else None,
 )
 
 app.add_middleware(
     CORSMiddleware,
     allow_origins=settings.cors_origins,
-    allow_methods=["GET", "POST", "PUT", "DELETE"],
+    allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
     allow_headers=["*"],
     allow_credentials=True,
+    expose_headers=["X-RateLimit-Limit", "X-RateLimit-Remaining", "X-RateLimit-Reset"],
 )
 
+setup_security_middleware(app)
+
+if settings.is_production:
+    app.add_middleware(RateLimitMiddleware)
+
 
 app.include_router(auth_router)
 app.include_router(sage_gateway_router)
 
 
+@app.exception_handler(Exception)
+async def global_exception_handler(request: Request, exc: Exception):
+    """Gestionnaire global d'exceptions."""
+    logger.error(f"Erreur non geree: {exc}", exc_info=True)
+
+    return JSONResponse(
+        status_code=500,
+        content={"detail": "Erreur interne du serveur", "type": "internal_error"},
+    )
+
+
 async def universign_envoyer(
     doc_id: str,
     pdf_bytes: bytes,
@@ -1135,7 +1169,7 @@ async def envoyer_signature_optimise(
             signer_url=resultat["signer_url"],
             email_signataire=demande.email_signataire,
             nom_signataire=demande.nom_signataire,
-            statut=StatutSignatureEnum.ENVOYE,
+            statut=StatutSignature.ENVOYE,
             date_envoi=datetime.now(),
         )
 
@@ -1191,7 +1225,7 @@ async def webhook_universign(
             return {"status": "not_found"}
 
         if event_type == "transaction.completed":
-            signature_log.statut = StatutSignatureEnum.SIGNE
+            signature_log.statut = StatutSignature.SIGNE
             signature_log.date_signature = datetime.now()
 
             logger.info(f"Signature confirmée: {signature_log.document_id}")
@@ -1242,11 +1276,11 @@ async def webhook_universign(
             )
 
         elif event_type == "transaction.refused":
-            signature_log.statut = StatutSignatureEnum.REFUSE
+            signature_log.statut = StatutSignature.REFUSE
             logger.warning(f"Signature refusée: {signature_log.document_id}")
 
         elif event_type == "transaction.expired":
-            signature_log.statut = StatutSignatureEnum.EXPIRE
+            signature_log.statut = StatutSignature.EXPIRE
             logger.warning(f"⏰ Transaction expirée: {signature_log.document_id}")
 
         await session.commit()
@@ -1271,7 +1305,7 @@ async def relancer_signatures_automatique(session: AsyncSession = Depends(get_se
 
         query = select(SignatureLog).where(
             SignatureLog.statut.in_(
-                [StatutSignatureEnum.EN_ATTENTE, StatutSignatureEnum.ENVOYE]
+                [StatutSignature.EN_ATTENTE, StatutSignature.ENVOYE]
             ),
             SignatureLog.date_envoi < date_limite,
             SignatureLog.nb_relances < 3,  # Max 3 relances
@@ -1288,7 +1322,7 @@ async def relancer_signatures_automatique(session: AsyncSession = Depends(get_se
                 jours_restants = 30 - nb_jours  # Lien expire après 30 jours
 
                 if jours_restants <= 0:
-                    signature.statut = StatutSignatureEnum.EXPIRE
+                    signature.statut = StatutSignature.EXPIRE
                     continue
 
                 template = templates_signature_email["relance_signature"]
@@ -1394,7 +1428,7 @@ async def lister_signatures(
     query = select(SignatureLog).order_by(SignatureLog.date_envoi.desc())
 
     if statut:
-        statut_db = StatutSignatureEnum[statut.value]
+        statut_db = StatutSignature[statut.value]
         query = query.where(SignatureLog.statut == statut_db)
 
     query = query.limit(limit)
@@ -1437,15 +1471,15 @@ async def statut_signature_detail(
 
     if statut_universign.get("statut") != "ERREUR":
         statut_map = {
-            "EN_ATTENTE": StatutSignatureEnum.EN_ATTENTE,
-            "ENVOYE": StatutSignatureEnum.ENVOYE,
-            "SIGNE": StatutSignatureEnum.SIGNE,
-            "REFUSE": StatutSignatureEnum.REFUSE,
-            "EXPIRE": StatutSignatureEnum.EXPIRE,
+            "EN_ATTENTE": StatutSignature.EN_ATTENTE,
+            "ENVOYE": StatutSignature.ENVOYE,
+            "SIGNE": StatutSignature.SIGNE,
+            "REFUSE": StatutSignature.REFUSE,
+            "EXPIRE": StatutSignature.EXPIRE,
         }
 
         nouveau_statut = statut_map.get(
-            statut_universign["statut"], StatutSignatureEnum.EN_ATTENTE
+            statut_universign["statut"], StatutSignature.EN_ATTENTE
         )
 
         signature_log.statut = nouveau_statut
@@ -1477,9 +1511,7 @@ async def statut_signature_detail(
 @app.post("/signatures/refresh-all", tags=["Signatures"])
 async def rafraichir_statuts_signatures(session: AsyncSession = Depends(get_session)):
     query = select(SignatureLog).where(
-        SignatureLog.statut.in_(
-            [StatutSignatureEnum.EN_ATTENTE, StatutSignatureEnum.ENVOYE]
-        )
+        SignatureLog.statut.in_([StatutSignature.EN_ATTENTE, StatutSignature.ENVOYE])
     )
 
     result = await session.execute(query)
@@ -1492,9 +1524,9 @@ async def rafraichir_statuts_signatures(session: AsyncSession = Depends(get_sess
 
             if statut_universign.get("statut") != "ERREUR":
                 statut_map = {
-                    "SIGNE": StatutSignatureEnum.SIGNE,
-                    "REFUSE": StatutSignatureEnum.REFUSE,
-                    "EXPIRE": StatutSignatureEnum.EXPIRE,
+                    "SIGNE": StatutSignature.SIGNE,
+                    "REFUSE": StatutSignature.REFUSE,
+                    "EXPIRE": StatutSignature.EXPIRE,
                 }
 
                 nouveau = statut_map.get(statut_universign["statut"])
@@ -1548,7 +1580,7 @@ async def envoyer_devis_signature(
             signer_url=resultat["signer_url"],
             email_signataire=request.email_signataire,
             nom_signataire=request.nom_signataire,
-            statut=StatutSignatureEnum.ENVOYE,
+            statut=StatutSignature.ENVOYE,
             date_envoi=datetime.now(),
         )
 
@@ -1694,7 +1726,7 @@ async def relancer_devis_signature(
             signer_url=resultat["signer_url"],
             email_signataire=contact["email"],
             nom_signataire=contact["nom"] or contact["client_intitule"],
-            statut=StatutSignatureEnum.ENVOYE,
+            statut=StatutSignature.ENVOYE,
             date_envoi=datetime.now(),
             est_relance=True,
             nb_relances=1,
@@ -3158,17 +3190,26 @@ async def health_check(
     sage: SageGatewayClient = Depends(get_sage_client_for_user),
 ):
     gateway_health = sage.health()
+    redis_status = "connected"
+
+    try:
+        if not await redis_service.is_connected():
+            redis_status = "disconnected"
+    except Exception:
+        redis_status = "error"
 
     return {
         "status": "healthy",
         "sage_gateway": gateway_health,
         "using_gateway_id": sage.gateway_id,
+        "timestamp": datetime.now().isoformat(),
+        "environment": settings.environment.value,
+        "services": {"redis": redis_status},
         "email_queue": {
             "running": email_queue.running,
             "workers": len(email_queue.workers),
             "queue_size": email_queue.queue.qsize(),
         },
-        "timestamp": datetime.now().isoformat(),
     }
 
 
@@ -3177,22 +3218,13 @@ async def root():
     return {
         "api": "Sage 100c Dataven - VPS Linux",
         "version": "2.0.0",
-        "documentation": "/docs",
+        "documentation": "/docs"
+        if settings.is_development
+        else "Disabled in production",
         "health": "/health",
     }
 
 
-@app.get("/admin/cache/info", tags=["Admin"])
-async def info_cache():
-    try:
-        cache_info = sage_client.get_cache_info()
-        return cache_info
-
-    except Exception as e:
-        logger.error(f"Erreur info cache: {e}")
-        raise HTTPException(500, str(e))
-
-
 @app.get("/admin/queue/status", tags=["Admin"])
 async def statut_queue():
     return {

config.py

@@ -1,58 +0,0 @@
-from pydantic_settings import BaseSettings, SettingsConfigDict
-from typing import List
-
-
-class Settings(BaseSettings):
-    model_config = SettingsConfigDict(
-        env_file=".env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore"
-    )
-
-    # === JWT & Auth ===
-    jwt_secret: str
-    jwt_algorithm: str
-    access_token_expire_minutes: int
-    refresh_token_expire_days: int
-
-    SAGE_TYPE_DEVIS: int = 0
-    SAGE_TYPE_BON_COMMANDE: int = 10
-    SAGE_TYPE_PREPARATION: int = 20
-    SAGE_TYPE_BON_LIVRAISON: int = 30
-    SAGE_TYPE_BON_RETOUR: int = 40
-    SAGE_TYPE_BON_AVOIR: int = 50
-    SAGE_TYPE_FACTURE: int = 60
-
-    # === Sage Gateway (Windows) ===
-    sage_gateway_url: str
-    sage_gateway_token: str
-    frontend_url: str
-
-    # === Base de données ===
-    database_url: str = "sqlite+aiosqlite:///./data/sage_dataven.db"
-
-    # === SMTP ===
-    smtp_host: str
-    smtp_port: int = 587
-    smtp_user: str
-    smtp_password: str
-    smtp_from: str
-    smtp_use_tls: bool = True
-
-    # === Universign ===
-    universign_api_key: str
-    universign_api_url: str
-
-    # === API ===
-    api_host: str
-    api_port: int
-    api_reload: bool = False
-
-    # === Email Queue ===
-    max_email_workers: int = 3
-    max_retry_attempts: int = 3
-    retry_delay_seconds: int = 3
-
-    # === CORS ===
-    cors_origins: List[str] = ["*"]
-
-
-settings = Settings()

config/config.py

@@ -0,0 +1,121 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+from typing import List, Optional
+from enum import Enum
+
+
+class Environment(str, Enum):
+    DEVELOPMENT = "development"
+    STAGING = "staging"
+    PRODUCTION = "production"
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(
+        env_file=".env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore"
+    )
+
+    # === Environment ===
+    environment: Environment = Environment.DEVELOPMENT
+
+    # === JWT & Auth ===
+    jwt_secret: str
+    jwt_algorithm: str = "HS256"
+    access_token_expire_minutes: int = 15
+    refresh_token_expire_days: int = 7
+    csrf_token_expire_minutes: int = 60
+
+    # === Cookie Settings ===
+    cookie_domain: Optional[str] = None
+    cookie_secure: bool = True
+    cookie_samesite: str = "strict"
+    cookie_httponly: bool = True
+    cookie_access_token_name: str = "access_token"
+    cookie_refresh_token_name: str = "refresh_token"
+    cookie_csrf_token_name: str = "csrf_token"
+
+    # === Redis (Token Blacklist & Rate Limiting) ===
+    redis_url: str = "redis://localhost:6379/0"
+    redis_password: Optional[str] = None
+    redis_ssl: bool = False
+    token_blacklist_prefix: str = "blacklist:"
+    rate_limit_prefix: str = "ratelimit:"
+
+    # === Rate Limiting ===
+    rate_limit_login_attempts: int = 5
+    rate_limit_login_window_minutes: int = 15
+    rate_limit_api_requests: int = 100
+    rate_limit_api_window_seconds: int = 60
+
+    # === Security ===
+    password_min_length: int = 8
+    password_require_uppercase: bool = True
+    password_require_lowercase: bool = True
+    password_require_digit: bool = True
+    password_require_special: bool = True
+    account_lockout_threshold: int = 5
+    account_lockout_duration_minutes: int = 30
+
+    # === Fingerprint ===
+    fingerprint_secret: str = ""
+    fingerprint_components: List[str] = [
+        "user_agent",
+        "accept_language",
+        "accept_encoding",
+    ]
+
+    # === Refresh Token Rotation ===
+    refresh_token_rotation_enabled: bool = True
+    refresh_token_reuse_window_seconds: int = 10
+
+    # === Sage Types ===
+    SAGE_TYPE_DEVIS: int = 0
+    SAGE_TYPE_BON_COMMANDE: int = 10
+    SAGE_TYPE_PREPARATION: int = 20
+    SAGE_TYPE_BON_LIVRAISON: int = 30
+    SAGE_TYPE_BON_RETOUR: int = 40
+    SAGE_TYPE_BON_AVOIR: int = 50
+    SAGE_TYPE_FACTURE: int = 60
+
+    # === Sage Gateway ===
+    sage_gateway_url: str
+    sage_gateway_token: str
+    frontend_url: str
+
+    # === Database ===
+    database_url: str = "sqlite+aiosqlite:///./data/sage_dataven.db"
+
+    # === SMTP ===
+    smtp_host: str
+    smtp_port: int = 587
+    smtp_user: str
+    smtp_password: str
+    smtp_from: str
+    smtp_use_tls: bool = True
+
+    # === Universign ===
+    universign_api_key: str
+    universign_api_url: str
+
+    # === API ===
+    api_host: str = "0.0.0.0"
+    api_port: int = 8000
+    api_reload: bool = True
+
+    # === Email Queue ===
+    max_email_workers: int = 3
+    max_retry_attempts: int = 3
+    retry_delay_seconds: int = 3
+
+    # === CORS ===
+    cors_origins: List[str] = ["*"]
+
+    @property
+    def is_production(self) -> bool:
+        return self.environment == Environment.PRODUCTION
+
+    @property
+    def is_development(self) -> bool:
+        return self.environment == Environment.DEVELOPMENT
+
+
+settings = Settings()

core/dependencies.py

@@ -1,41 +1,49 @@
-from fastapi import Depends, HTTPException, status
-from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from fastapi import Depends, HTTPException, status, Request
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select
-from database import get_session, User
-from security.auth import decode_token
-from typing import Optional
+from typing import Optional, Tuple
 from datetime import datetime
+import logging
 
-security = HTTPBearer()
+from database import get_session
+from database import User, AuditEventType
+from services.token_service import TokenService
+from services.audit_service import AuditService
+from security.cookies import CookieManager
+from security.fingerprint import DeviceFingerprint, get_client_ip
+from security.csrf import CSRFProtection
+
+logger = logging.getLogger(__name__)
 
 
 async def get_current_user(
-    credentials: HTTPAuthorizationCredentials = Depends(security),
-    session: AsyncSession = Depends(get_session),
+    request: Request, session: AsyncSession = Depends(get_session)
 ) -> User:
-    token = credentials.credentials
+    token = CookieManager.get_access_token(request)
+
+    if not token:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Authentification requise",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    fingerprint_hash = DeviceFingerprint.generate_hash(request)
+
+    payload = await TokenService.validate_access_token(token, fingerprint_hash)
 
-    payload = decode_token(token)
     if not payload:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token invalide ou expiré",
+            detail="Token invalide ou expire",
             headers={"WWW-Authenticate": "Bearer"},
         )
 
-    if payload.get("type") != "access":
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Type de token incorrect",
-            headers={"WWW-Authenticate": "Bearer"},
-        )
-
-    user_id: str = payload.get("sub")
+    user_id = payload.get("sub")
     if not user_id:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token malformé",
+            detail="Token malformed",
             headers={"WWW-Authenticate": "Bearer"},
         )
 
@@ -51,33 +59,31 @@ async def get_current_user(
 
     if not user.is_active:
         raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN, detail="Compte désactivé"
+            status_code=status.HTTP_403_FORBIDDEN, detail="Compte desactive"
         )
 
     if not user.is_verified:
         raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Email non vérifié. Consultez votre boîte de réception.",
+            status_code=status.HTTP_403_FORBIDDEN, detail="Email non verifie"
         )
 
     if user.locked_until and user.locked_until > datetime.now():
         raise HTTPException(
             status_code=status.HTTP_403_FORBIDDEN,
-            detail="Compte temporairement verrouillé suite à trop de tentatives échouées",
+            detail="Compte temporairement verrouille",
         )
 
+    request.state.user = user
+    request.state.session_id = payload.get("sid")
+
     return user
 
 
 async def get_current_user_optional(
-    credentials: Optional[HTTPAuthorizationCredentials] = Depends(security),
-    session: AsyncSession = Depends(get_session),
+    request: Request, session: AsyncSession = Depends(get_session)
 ) -> Optional[User]:
-    if not credentials:
-        return None
-
     try:
-        return await get_current_user(credentials, session)
+        return await get_current_user(request, session)
     except HTTPException:
         return None
 
@@ -87,8 +93,99 @@ def require_role(*allowed_roles: str):
         if user.role not in allowed_roles:
             raise HTTPException(
                 status_code=status.HTTP_403_FORBIDDEN,
-                detail=f"Accès refusé. Rôles requis: {', '.join(allowed_roles)}",
+                detail=f"Acces refuse. Roles requis: {', '.join(allowed_roles)}",
             )
         return user
 
     return role_checker
+
+
+def require_verified_email():
+    async def email_checker(user: User = Depends(get_current_user)) -> User:
+        if not user.is_verified:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Verification email requise",
+            )
+        return user
+
+    return email_checker
+
+
+async def verify_csrf_token(
+    request: Request, user: User = Depends(get_current_user)
+) -> None:
+    if CSRFProtection.is_exempt(request):
+        return
+
+    session_id = getattr(request.state, "session_id", None)
+
+    if not CSRFProtection.validate_request(request, session_id):
+        logger.warning(
+            f"CSRF validation echouee pour user {user.id} "
+            f"sur {request.method} {request.url.path}"
+        )
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="Verification CSRF echouee"
+        )
+
+
+async def get_auth_context(
+    request: Request, session: AsyncSession = Depends(get_session)
+) -> Tuple[Optional[User], str, str]:
+    ip_address = get_client_ip(request)
+    fingerprint_hash = DeviceFingerprint.generate_hash(request)
+
+    try:
+        user = await get_current_user(request, session)
+    except HTTPException:
+        user = None
+
+    return user, ip_address, fingerprint_hash
+
+
+class AuthenticatedRoute:
+    def __init__(
+        self,
+        require_csrf: bool = True,
+        allowed_roles: Optional[Tuple[str, ...]] = None,
+        audit_event: Optional[AuditEventType] = None,
+    ):
+        self.require_csrf = require_csrf
+        self.allowed_roles = allowed_roles
+        self.audit_event = audit_event
+
+    async def __call__(
+        self, request: Request, session: AsyncSession = Depends(get_session)
+    ) -> User:
+        user = await get_current_user(request, session)
+
+        if self.allowed_roles and user.role not in self.allowed_roles:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Acces refuse pour ce role",
+            )
+
+        if self.require_csrf and not CSRFProtection.is_exempt(request):
+            session_id = getattr(request.state, "session_id", None)
+            if not CSRFProtection.validate_request(request, session_id):
+                raise HTTPException(
+                    status_code=status.HTTP_403_FORBIDDEN,
+                    detail="Verification CSRF echouee",
+                )
+
+        if self.audit_event:
+            await AuditService.log_event(
+                session=session,
+                event_type=self.audit_event,
+                request=request,
+                user_id=user.id,
+                success=True,
+            )
+
+        return user
+
+
+require_admin = require_role("admin")
+require_manager = require_role("admin", "manager")
+require_user = require_role("admin", "manager", "user")

core/sage_context.py

@@ -5,8 +5,8 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from database import get_session, User
 from core.dependencies import get_current_user
-from sage_client import SageGatewayClient
-from config import settings
+from sage.sage_client import SageGatewayClient
+from config.config import settings
 import logging
 
 logger = logging.getLogger(__name__)

database/__init__.py

@@ -5,13 +5,18 @@ from database.db_config import (
     get_session,
     close_db,
 )
-from database.models.generic_model import (
-    CacheMetadata,
-    AuditLog,
+
+from database.models.generic_model import Base
+
+from database.models.auth_models import (
+    User,
     RefreshToken,
+    AuditLog,
+    AuditEventType,
     LoginAttempt,
+    UserSession,
 )
-from database.models.user import User
+
 from database.models.email import EmailLog
 from database.models.signature import SignatureLog
 from database.models.sage_config import SageGatewayConfig
@@ -28,15 +33,16 @@ __all__ = [
     "get_session",
     "close_db",
     "Base",
+    "User",
+    "RefreshToken",
+    "AuditLog",
+    "AuditEventType",
+    "LoginAttempt",
+    "UserSession",
     "EmailLog",
     "SignatureLog",
     "WorkflowLog",
-    "CacheMetadata",
-    "AuditLog",
     "StatutEmail",
     "StatutSignature",
-    "User",
-    "RefreshToken",
-    "LoginAttempt",
     "SageGatewayConfig",
 ]

database/models/auth_models.py

@@ -0,0 +1,214 @@
+from sqlalchemy import (
+    Column,
+    Integer,
+    String,
+    DateTime,
+    Boolean,
+    Text,
+    ForeignKey,
+    Index,
+    Enum as SQLEnum,
+)
+from sqlalchemy.orm import relationship
+from datetime import datetime
+from enum import Enum
+
+from database.models.generic_model import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(String(36), primary_key=True)
+    email = Column(String(255), unique=True, nullable=False, index=True)
+    hashed_password = Column(String(255), nullable=False)
+
+    nom = Column(String(100), nullable=False)
+    prenom = Column(String(100), nullable=False)
+    role = Column(String(50), default="user")
+
+    is_verified = Column(Boolean, default=False, index=True)
+    verification_token = Column(String(255), nullable=True, unique=True, index=True)
+    verification_token_expires = Column(DateTime, nullable=True)
+
+    is_active = Column(Boolean, default=True, index=True)
+    failed_login_attempts = Column(Integer, default=0)
+    locked_until = Column(DateTime, nullable=True)
+
+    reset_token = Column(String(255), nullable=True, unique=True, index=True)
+    reset_token_expires = Column(DateTime, nullable=True)
+
+    password_changed_at = Column(DateTime, nullable=True)
+    must_change_password = Column(Boolean, default=False)
+
+    created_at = Column(DateTime, default=datetime.now, nullable=False)
+    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
+    last_login = Column(DateTime, nullable=True)
+    last_login_ip = Column(String(45), nullable=True)
+
+    refresh_tokens = relationship(
+        "RefreshToken", back_populates="user", cascade="all, delete-orphan"
+    )
+
+    audit_logs = relationship(
+        "AuditLog", back_populates="user", cascade="all, delete-orphan"
+    )
+
+    def __repr__(self):
+        return f"<User {self.email} verified={self.is_verified}>"
+
+
+class RefreshToken(Base):
+    __tablename__ = "refresh_tokens"
+
+    id = Column(String(36), primary_key=True)
+    user_id = Column(
+        String(36),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+
+    token_hash = Column(String(64), unique=True, nullable=False, index=True)
+    token_id = Column(String(32), unique=True, nullable=False, index=True)
+
+    fingerprint_hash = Column(String(64), nullable=True)
+    device_info = Column(String(500), nullable=True)
+    ip_address = Column(String(45), nullable=True)
+
+    is_revoked = Column(Boolean, default=False, index=True)
+    revoked_at = Column(DateTime, nullable=True)
+    revoked_reason = Column(String(100), nullable=True)
+
+    is_used = Column(Boolean, default=False)
+    used_at = Column(DateTime, nullable=True)
+    replaced_by = Column(String(36), nullable=True)
+
+    expires_at = Column(DateTime, nullable=False, index=True)
+    created_at = Column(DateTime, default=datetime.now, nullable=False)
+    last_used_at = Column(DateTime, nullable=True)
+
+    user = relationship("User", back_populates="refresh_tokens")
+
+    __table_args__ = (
+        Index("ix_refresh_tokens_user_valid", "user_id", "is_revoked", "expires_at"),
+    )
+
+    def __repr__(self):
+        return f"<RefreshToken {self.token_id[:8]}... user={self.user_id}>"
+
+
+class AuditEventType(str, Enum):
+    LOGIN_SUCCESS = "login_success"
+    LOGIN_FAILED = "login_failed"
+    LOGOUT = "logout"
+    PASSWORD_CHANGE = "password_change"
+    PASSWORD_RESET_REQUEST = "password_reset_request"
+    PASSWORD_RESET_COMPLETE = "password_reset_complete"
+    EMAIL_VERIFICATION = "email_verification"
+    ACCOUNT_LOCKED = "account_locked"
+    ACCOUNT_UNLOCKED = "account_unlocked"
+    TOKEN_REFRESH = "token_refresh"
+    TOKEN_REVOKED = "token_revoked"
+    SUSPICIOUS_ACTIVITY = "suspicious_activity"
+    SESSION_CREATED = "session_created"
+    SESSION_TERMINATED = "session_terminated"
+
+
+class AuditLog(Base):
+    __tablename__ = "audit_logs"
+
+    id = Column(String(36), primary_key=True)
+    user_id = Column(
+        String(36),
+        ForeignKey("users.id", ondelete="SET NULL"),
+        nullable=True,
+        index=True,
+    )
+
+    event_type = Column(SQLEnum(AuditEventType), nullable=False, index=True)
+    event_description = Column(Text, nullable=True)
+
+    ip_address = Column(String(45), nullable=True, index=True)
+    user_agent = Column(String(500), nullable=True)
+    fingerprint_hash = Column(String(64), nullable=True)
+
+    resource_type = Column(String(50), nullable=True)
+    resource_id = Column(String(100), nullable=True)
+
+    request_method = Column(String(10), nullable=True)
+    request_path = Column(String(500), nullable=True)
+
+    meta = Column("metadata", Text, nullable=True)
+
+    success = Column(Boolean, default=True)
+    failure_reason = Column(String(255), nullable=True)
+
+    created_at = Column(DateTime, default=datetime.now, nullable=False, index=True)
+
+    user = relationship("User", back_populates="audit_logs")
+
+    __table_args__ = (
+        Index("ix_audit_logs_user_event", "user_id", "event_type", "created_at"),
+        Index("ix_audit_logs_ip_event", "ip_address", "event_type", "created_at"),
+    )
+
+    def __repr__(self):
+        return f"<AuditLog {self.event_type.value} user={self.user_id}>"
+
+
+class LoginAttempt(Base):
+    __tablename__ = "login_attempts"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+
+    email = Column(String(255), nullable=False, index=True)
+    ip_address = Column(String(45), nullable=True, index=True)
+    user_agent = Column(String(500), nullable=True)
+    fingerprint_hash = Column(String(64), nullable=True)
+
+    success = Column(Boolean, default=False, index=True)
+    failure_reason = Column(String(255), nullable=True)
+
+    timestamp = Column(DateTime, default=datetime.now, nullable=False, index=True)
+
+    __table_args__ = (
+        Index("ix_login_attempts_email_time", "email", "timestamp"),
+        Index("ix_login_attempts_ip_time", "ip_address", "timestamp"),
+    )
+
+    def __repr__(self):
+        return f"<LoginAttempt {self.email} success={self.success}>"
+
+
+class UserSession(Base):
+    __tablename__ = "user_sessions"
+
+    id = Column(String(36), primary_key=True)
+    user_id = Column(
+        String(36),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+
+    session_token_hash = Column(String(64), unique=True, nullable=False, index=True)
+    refresh_token_id = Column(String(36), nullable=True)
+
+    device_info = Column(String(500), nullable=True)
+    ip_address = Column(String(45), nullable=True)
+    fingerprint_hash = Column(String(64), nullable=True)
+    location = Column(String(255), nullable=True)
+
+    is_active = Column(Boolean, default=True, index=True)
+    terminated_at = Column(DateTime, nullable=True)
+    termination_reason = Column(String(100), nullable=True)
+
+    created_at = Column(DateTime, default=datetime.now, nullable=False)
+    last_activity = Column(DateTime, default=datetime.now, nullable=False)
+    expires_at = Column(DateTime, nullable=False)
+
+    __table_args__ = (Index("ix_user_sessions_user_active", "user_id", "is_active"),)
+
+    def __repr__(self):
+        return f"<UserSession {self.id[:8]}... user={self.user_id}>"

database/models/generic_model.py

@@ -5,7 +5,6 @@ from sqlalchemy import (
     DateTime,
     Float,
     Text,
-    Boolean,
 )
 from sqlalchemy.ext.declarative import declarative_base
 from datetime import datetime
@@ -29,63 +28,3 @@ class CacheMetadata(Base):
 
     def __repr__(self):
         return f"<CacheMetadata type={self.cache_type} items={self.item_count}>"
-
-
-class AuditLog(Base):
-    __tablename__ = "audit_logs"
-
-    id = Column(Integer, primary_key=True, autoincrement=True)
-
-    action = Column(String(100), nullable=False, index=True)
-    ressource_type = Column(String(50), nullable=True)
-    ressource_id = Column(String(100), nullable=True, index=True)
-
-    utilisateur = Column(String(100), nullable=True)
-    ip_address = Column(String(45), nullable=True)
-
-    succes = Column(Boolean, default=True)
-    details = Column(Text, nullable=True)
-    erreur = Column(Text, nullable=True)
-
-    date_action = Column(DateTime, default=datetime.now, nullable=False, index=True)
-
-    def __repr__(self):
-        return f"<AuditLog {self.action} on {self.ressource_type}/{self.ressource_id}>"
-
-
-class RefreshToken(Base):
-    __tablename__ = "refresh_tokens"
-
-    id = Column(String(36), primary_key=True)
-    user_id = Column(String(36), nullable=False, index=True)
-    token_hash = Column(String(255), nullable=False, unique=True, index=True)
-
-    device_info = Column(String(500), nullable=True)
-    ip_address = Column(String(45), nullable=True)
-
-    expires_at = Column(DateTime, nullable=False)
-    created_at = Column(DateTime, default=datetime.now, nullable=False)
-
-    is_revoked = Column(Boolean, default=False)
-    revoked_at = Column(DateTime, nullable=True)
-
-    def __repr__(self):
-        return f"<RefreshToken user={self.user_id} revoked={self.is_revoked}>"
-
-
-class LoginAttempt(Base):
-    __tablename__ = "login_attempts"
-
-    id = Column(Integer, primary_key=True, autoincrement=True)
-
-    email = Column(String(255), nullable=False, index=True)
-    ip_address = Column(String(45), nullable=False, index=True)
-    user_agent = Column(String(500), nullable=True)
-
-    success = Column(Boolean, default=False)
-    failure_reason = Column(String(255), nullable=True)
-
-    timestamp = Column(DateTime, default=datetime.now, nullable=False, index=True)
-
-    def __repr__(self):
-        return f"<LoginAttempt {self.email} success={self.success}>"

database/models/sage_config.py

@@ -22,9 +22,6 @@ class SageGatewayConfig(Base):
     gateway_url = Column(String(500), nullable=False)
     gateway_token = Column(String(255), nullable=False)
 
-    sage_database = Column(String(255), nullable=True)
-    sage_company = Column(String(255), nullable=True)
-
     is_active = Column(Boolean, default=False, index=True)
     is_default = Column(Boolean, default=False)
     priority = Column(Integer, default=0)

middleware/security.py

@@ -0,0 +1,181 @@
+from fastapi import Request, Response, status
+from fastapi.responses import JSONResponse
+from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
+from typing import Set
+import logging
+import time
+
+from config.config import settings
+from security.csrf import CSRFProtection
+from security.fingerprint import get_client_ip
+from services.redis_service import redis_service
+
+logger = logging.getLogger(__name__)
+
+
+RATE_LIMIT_EXEMPT_PATHS: Set[str] = {
+    "/health",
+    "/docs",
+    "/redoc",
+    "/openapi.json",
+}
+
+
+class SecurityHeadersMiddleware(BaseHTTPMiddleware):
+    async def dispatch(
+        self, request: Request, call_next: RequestResponseEndpoint
+    ) -> Response:
+        response = await call_next(request)
+
+        response.headers["X-Content-Type-Options"] = "nosniff"
+        response.headers["X-Frame-Options"] = "DENY"
+        response.headers["X-XSS-Protection"] = "1; mode=block"
+        response.headers["Referrer-Policy"] = "strict-origin-when-cross-origin"
+
+        if settings.is_production:
+            response.headers["Strict-Transport-Security"] = (
+                "max-age=31536000; includeSubDomains"
+            )
+
+        response.headers["Cache-Control"] = "no-store, no-cache, must-revalidate"
+        response.headers["Pragma"] = "no-cache"
+
+        response.headers["Permissions-Policy"] = (
+            "geolocation=(), microphone=(), camera=()"
+        )
+
+        return response
+
+
+class CSRFMiddleware(BaseHTTPMiddleware):
+    async def dispatch(
+        self, request: Request, call_next: RequestResponseEndpoint
+    ) -> Response:
+        if CSRFProtection.is_exempt(request):
+            return await call_next(request)
+
+        if not CSRFProtection.validate_double_submit(request):
+            logger.warning(
+                f"CSRF validation echouee: {request.method} {request.url.path} "
+                f"depuis {get_client_ip(request)}"
+            )
+            return JSONResponse(
+                status_code=status.HTTP_403_FORBIDDEN,
+                content={"detail": "Verification CSRF echouee"},
+            )
+
+        return await call_next(request)
+
+
+class RateLimitMiddleware(BaseHTTPMiddleware):
+    async def dispatch(
+        self, request: Request, call_next: RequestResponseEndpoint
+    ) -> Response:
+        path = request.url.path.rstrip("/")
+        if path in RATE_LIMIT_EXEMPT_PATHS:
+            return await call_next(request)
+
+        ip = get_client_ip(request)
+        key = f"api:{ip}"
+        window_seconds = settings.rate_limit_api_window_seconds
+        max_requests = settings.rate_limit_api_requests
+
+        try:
+            count = await redis_service.increment_rate_limit(key, window_seconds)
+            remaining = max(0, max_requests - count)
+
+            response = await call_next(request)
+
+            response.headers["X-RateLimit-Limit"] = str(max_requests)
+            response.headers["X-RateLimit-Remaining"] = str(remaining)
+            response.headers["X-RateLimit-Reset"] = str(window_seconds)
+
+            if count > max_requests:
+                logger.warning(
+                    f"Rate limit depasse pour IP {ip}: {count}/{max_requests}"
+                )
+                return JSONResponse(
+                    status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+                    content={"detail": "Limite de requetes atteinte"},
+                    headers={
+                        "X-RateLimit-Limit": str(max_requests),
+                        "X-RateLimit-Remaining": "0",
+                        "X-RateLimit-Reset": str(window_seconds),
+                        "Retry-After": str(window_seconds),
+                    },
+                )
+
+            return response
+
+        except Exception as e:
+            logger.error(f"Erreur rate limiting: {e}")
+            return await call_next(request)
+
+
+class RequestLoggingMiddleware(BaseHTTPMiddleware):
+    async def dispatch(
+        self, request: Request, call_next: RequestResponseEndpoint
+    ) -> Response:
+        start_time = time.time()
+
+        ip = get_client_ip(request)
+        method = request.method
+        path = request.url.path
+
+        response = await call_next(request)
+
+        duration_ms = (time.time() - start_time) * 1000
+
+        log_level = logging.INFO
+        if response.status_code >= 500:
+            log_level = logging.ERROR
+        elif response.status_code >= 400:
+            log_level = logging.WARNING
+
+        logger.log(
+            log_level,
+            f"{method} {path} - {response.status_code} - {duration_ms:.2f}ms - {ip}",
+        )
+
+        return response
+
+
+class FingerprintValidationMiddleware(BaseHTTPMiddleware):
+    VALIDATION_PATHS: Set[str] = {
+        "/auth/refresh",
+        "/auth/logout",
+    }
+
+    async def dispatch(
+        self, request: Request, call_next: RequestResponseEndpoint
+    ) -> Response:
+        path = request.url.path.rstrip("/")
+
+        if path not in self.VALIDATION_PATHS:
+            return await call_next(request)
+
+        return await call_next(request)
+
+
+def setup_security_middleware(app) -> None:
+    app.add_middleware(RequestLoggingMiddleware)
+
+    app.add_middleware(SecurityHeadersMiddleware)
+
+    app.add_middleware(FingerprintValidationMiddleware)
+
+
+async def init_security_services() -> None:
+    try:
+        await redis_service.connect()
+        logger.info("Services de securite initialises")
+    except Exception as e:
+        logger.warning(f"Redis non disponible, fonctionnement en mode degrade: {e}")
+
+
+async def shutdown_security_services() -> None:
+    try:
+        await redis_service.disconnect()
+        logger.info("Services de securite arretes")
+    except Exception as e:
+        logger.error(f"Erreur arret services securite: {e}")

requirements.txt

@@ -1,10 +1,14 @@
 fastapi
 uvicorn[standard]
+starlette
+structlog
+
 pydantic
 pydantic-settings
 reportlab
 requests
 msal
+aiosmtplib
 
 python-multipart
 email-validator
@@ -13,9 +17,13 @@ python-dotenv
 python-jose[cryptography]
 passlib[bcrypt]
 bcrypt==4.2.0
+PyJWT
 
-sqlalchemy
+sqlalchemy[asyncio]
 aiosqlite
 tenacity
+asyncpg
 
-httpx
+httpx
+
+redis[hiredis]

routes/auth.py

@@ -1,27 +1,29 @@
-from fastapi import APIRouter, Depends, HTTPException, status, Request
+from fastapi import APIRouter, Depends, HTTPException, status, Request, Response
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select
+from sqlalchemy import false, select
 from pydantic import BaseModel, EmailStr, Field
 from datetime import datetime, timedelta
-from typing import Optional
+from typing import Optional, List
 import uuid
+import logging
 
-from database import get_session, User, RefreshToken, LoginAttempt
+from config.config import settings
+from database import get_session
+from database import User, RefreshToken, AuditEventType
 from security.auth import (
     hash_password,
     verify_password,
     validate_password_strength,
-    create_access_token,
-    create_refresh_token,
-    decode_token,
     generate_verification_token,
     generate_reset_token,
-    hash_token,
 )
+from security.cookies import CookieManager, set_auth_cookies
+from security.fingerprint import DeviceFingerprint, get_client_ip
+from security.rate_limiter import RateLimiter
+from services.token_service import TokenService
+from services.audit_service import AuditService
 from services.email_service import AuthEmailService
 from core.dependencies import get_current_user
-from config import settings
-import logging
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/auth", tags=["Authentication"])
@@ -29,25 +31,20 @@ router = APIRouter(prefix="/auth", tags=["Authentication"])
 
 class RegisterRequest(BaseModel):
     email: EmailStr
-    password: str = Field(..., min_length=8)
+    password: str = Field(..., min_length=8, max_length=128)
     nom: str = Field(..., min_length=2, max_length=100)
     prenom: str = Field(..., min_length=2, max_length=100)
 
 
 class LoginRequest(BaseModel):
     email: EmailStr
-    password: str
+    password: str = Field(..., min_length=1, max_length=128)
 
 
 class TokenResponse(BaseModel):
-    access_token: str
-    refresh_token: str
-    token_type: str = "bearer"
-    expires_in: int = 86400
-
-
-class RefreshTokenRequest(BaseModel):
-    refresh_token: str
+    message: str
+    user: dict
+    expires_in: int
 
 
 class ForgotPasswordRequest(BaseModel):
@@ -56,7 +53,7 @@ class ForgotPasswordRequest(BaseModel):
 
 class ResetPasswordRequest(BaseModel):
     token: str
-    new_password: str = Field(..., min_length=8)
+    new_password: str = Field(..., min_length=8, max_length=128)
 
 
 class VerifyEmailRequest(BaseModel):
@@ -67,44 +64,17 @@ class ResendVerificationRequest(BaseModel):
     email: EmailStr
 
 
-async def log_login_attempt(
-    session: AsyncSession,
-    email: str,
-    ip: str,
-    user_agent: str,
-    success: bool,
-    failure_reason: Optional[str] = None,
-):
-    attempt = LoginAttempt(
-        email=email,
-        ip_address=ip,
-        user_agent=user_agent,
-        success=success,
-        failure_reason=failure_reason,
-        timestamp=datetime.now(),
-    )
-    session.add(attempt)
-    await session.commit()
+class ChangePasswordRequest(BaseModel):
+    current_password: str
+    new_password: str = Field(..., min_length=8, max_length=128)
 
 
-async def check_rate_limit(
-    session: AsyncSession, email: str, ip: str
-) -> tuple[bool, str]:
-    time_window = datetime.now() - timedelta(minutes=15)
-
-    result = await session.execute(
-        select(LoginAttempt).where(
-            LoginAttempt.email == email,
-            LoginAttempt.success,
-            LoginAttempt.timestamp >= time_window,
-        )
-    )
-    failed_attempts = result.scalars().all()
-
-    if len(failed_attempts) >= 5:
-        return False, "Trop de tentatives échouées. Réessayez dans 15 minutes."
-
-    return True, ""
+class SessionResponse(BaseModel):
+    id: str
+    device_info: Optional[str]
+    ip_address: Optional[str]
+    created_at: str
+    last_used_at: Optional[str]
 
 
 @router.post("/register", status_code=status.HTTP_201_CREATED)
@@ -113,12 +83,18 @@ async def register(
     request: Request,
     session: AsyncSession = Depends(get_session),
 ):
-    result = await session.execute(select(User).where(User.email == data.email))
-    existing_user = result.scalar_one_or_none()
+    ip = get_client_ip(request)
 
-    if existing_user:
+    allowed, error_msg = await RateLimiter.check_registration_rate_limit(ip)
+    if not allowed:
         raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST, detail="Cet email est déjà utilisé"
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail=error_msg
+        )
+
+    result = await session.execute(select(User).where(User.email == data.email.lower()))
+    if result.scalar_one_or_none():
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, detail="Cet email est deja utilise"
         )
 
     is_valid, error_msg = validate_password_strength(data.password)
@@ -143,23 +119,233 @@ async def register(
     await session.commit()
 
     base_url = str(request.base_url).rstrip("/")
-    email_sent = AuthEmailService.send_verification_email(
-        data.email, verification_token, base_url
-    )
+    AuthEmailService.send_verification_email(data.email, verification_token, base_url)
 
-    if not email_sent:
-        logger.warning(f"Échec envoi email vérification pour {data.email}")
-
-    logger.info(f" Nouvel utilisateur inscrit: {data.email} (ID: {new_user.id})")
+    logger.info(f"Nouvel utilisateur inscrit: {data.email}")
 
     return {
         "success": True,
-        "message": "Inscription réussie ! Consultez votre email pour vérifier votre compte.",
+        "message": "Inscription reussie. Consultez votre email pour verifier votre compte.",
         "user_id": new_user.id,
-        "email": data.email,
     }
 
 
+@router.post("/login")
+async def login(
+    data: LoginRequest,
+    request: Request,
+    response: Response,
+    session: AsyncSession = Depends(get_session),
+):
+    ip = get_client_ip(request)
+    user_agent = request.headers.get("User-Agent", "")
+    fingerprint_hash = DeviceFingerprint.generate_hash(request)
+
+    allowed, error_msg, _ = await RateLimiter.check_login_rate_limit(
+        data.email.lower(), ip
+    )
+    if not allowed:
+        await AuditService.log_login_failed(session, request, data.email, "rate_limit")
+        raise HTTPException(
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail=error_msg
+        )
+
+    result = await session.execute(select(User).where(User.email == data.email.lower()))
+    user = result.scalar_one_or_none()
+
+    if not user or not verify_password(data.password, user.hashed_password):
+        await RateLimiter.record_login_attempt(data.email.lower(), ip, success=False)
+        await AuditService.record_login_attempt(
+            session, request, data.email, False, "invalid_credentials"
+        )
+
+        if user:
+            user.failed_login_attempts = (user.failed_login_attempts or 0) + 1
+
+            if user.failed_login_attempts >= settings.account_lockout_threshold:
+                user.locked_until = datetime.now() + timedelta(
+                    minutes=settings.account_lockout_duration_minutes
+                )
+                await AuditService.log_account_locked(
+                    session, request, user.id, "too_many_failed_attempts"
+                )
+                await session.commit()
+
+                raise HTTPException(
+                    status_code=status.HTTP_403_FORBIDDEN,
+                    detail=f"Compte verrouille. Reessayez dans {settings.account_lockout_duration_minutes} minutes.",
+                )
+
+            await session.commit()
+
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Email ou mot de passe incorrect",
+        )
+
+    if not user.is_active:
+        await AuditService.log_login_failed(
+            session, request, data.email, "account_disabled", user.id
+        )
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="Compte desactive"
+        )
+
+    if not user.is_verified:
+        await AuditService.log_login_failed(
+            session, request, data.email, "email_not_verified", user.id
+        )
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Email non verifie. Consultez votre boite de reception.",
+        )
+
+    if user.locked_until and user.locked_until > datetime.now():
+        await AuditService.log_login_failed(
+            session, request, data.email, "account_locked", user.id
+        )
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Compte temporairement verrouille",
+        )
+
+    user.failed_login_attempts = 0
+    user.locked_until = None
+    user.last_login = datetime.now()
+    user.last_login_ip = ip
+
+    (
+        access_token,
+        refresh_token,
+        csrf_token,
+        session_id,
+    ) = await TokenService.create_token_pair(
+        session=session,
+        user=user,
+        fingerprint_hash=fingerprint_hash,
+        device_info=user_agent,
+        ip_address=ip,
+    )
+
+    await session.commit()
+
+    await RateLimiter.record_login_attempt(data.email.lower(), ip, success=True)
+    await AuditService.log_login_success(session, request, user.id, user.email)
+
+    set_auth_cookies(response, access_token, refresh_token, csrf_token)
+
+    logger.info(f"Connexion reussie: {user.email} depuis {ip}")
+
+    return TokenResponse(
+        message="Connexion reussie",
+        user={
+            "id": user.id,
+            "email": user.email,
+            "nom": user.nom,
+            "prenom": user.prenom,
+            "role": user.role,
+        },
+        expires_in=settings.access_token_expire_minutes * 60,
+    )
+
+
+@router.post("/refresh")
+async def refresh_tokens(
+    request: Request, response: Response, session: AsyncSession = Depends(get_session)
+):
+    refresh_token = CookieManager.get_refresh_token(request)
+
+    if not refresh_token:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail="Refresh token manquant"
+        )
+
+    ip = get_client_ip(request)
+    user_agent = request.headers.get("User-Agent", "")
+    fingerprint_hash = DeviceFingerprint.generate_hash(request)
+
+    result = await TokenService.refresh_tokens(
+        session=session,
+        refresh_token=refresh_token,
+        fingerprint_hash=fingerprint_hash,
+        device_info=user_agent,
+        ip_address=ip,
+    )
+
+    if not result:
+        CookieManager.clear_all_auth_cookies(response)
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Refresh token invalide ou expire",
+        )
+
+    new_access, new_refresh, new_csrf, session_id = result
+
+    await session.commit()
+
+    set_auth_cookies(response, new_access, new_refresh, new_csrf)
+
+    logger.debug("Tokens rafraichis avec succes")
+
+    return {
+        "message": "Tokens rafraichis",
+        "expires_in": settings.access_token_expire_minutes * 60,
+    }
+
+
+@router.post("/logout")
+async def logout(
+    request: Request,
+    response: Response,
+    session: AsyncSession = Depends(get_session),
+    user: User = Depends(get_current_user),
+):
+    refresh_token = CookieManager.get_refresh_token(request)
+
+    if refresh_token:
+        await TokenService.revoke_token(
+            session=session, refresh_token=refresh_token, reason="user_logout"
+        )
+
+    await AuditService.log_logout(session, request, user.id)
+
+    await session.commit()
+
+    CookieManager.clear_all_auth_cookies(response)
+
+    logger.info(f"Deconnexion: {user.email}")
+
+    return {"success": True, "message": "Deconnexion reussie"}
+
+
+@router.post("/logout-all")
+async def logout_all_sessions(
+    request: Request,
+    response: Response,
+    session: AsyncSession = Depends(get_session),
+    user: User = Depends(get_current_user),
+):
+    count = await TokenService.revoke_all_user_tokens(
+        session=session, user_id=user.id, reason="user_logout_all"
+    )
+
+    await AuditService.log_event(
+        session=session,
+        event_type=AuditEventType.SESSION_TERMINATED,
+        request=request,
+        user_id=user.id,
+        description=f"Toutes les sessions terminees ({count} tokens revoques)",
+    )
+
+    await session.commit()
+
+    CookieManager.clear_all_auth_cookies(response)
+
+    logger.info(f"Toutes les sessions terminees pour {user.email}: {count} tokens")
+
+    return {"success": True, "message": f"{count} session(s) terminee(s)"}
+
+
 @router.get("/verify-email")
 async def verify_email_get(token: str, session: AsyncSession = Depends(get_session)):
     result = await session.execute(select(User).where(User.verification_token == token))
@@ -168,13 +354,16 @@ async def verify_email_get(token: str, session: AsyncSession = Depends(get_sessi
     if not user:
         return {
             "success": False,
-            "message": "Token de vérification invalide ou déjà utilisé.",
+            "message": "Token de verification invalide ou deja utilise.",
         }
 
-    if user.verification_token_expires < datetime.now():
+    if (
+        user.verification_token_expires
+        and user.verification_token_expires < datetime.now()
+    ):
         return {
             "success": False,
-            "message": "Token expiré. Veuillez demander un nouvel email de vérification.",
+            "message": "Token expire. Demandez un nouveau lien de verification.",
             "expired": True,
         }
 
@@ -183,18 +372,19 @@ async def verify_email_get(token: str, session: AsyncSession = Depends(get_sessi
     user.verification_token_expires = None
     await session.commit()
 
-    logger.info(f" Email vérifié: {user.email}")
+    logger.info(f"Email verifie: {user.email}")
 
     return {
         "success": True,
-        "message": " Email vérifié avec succès ! Vous pouvez maintenant vous connecter.",
-        "email": user.email,
+        "message": "Email verifie avec succes. Vous pouvez maintenant vous connecter.",
     }
 
 
 @router.post("/verify-email")
 async def verify_email_post(
-    data: VerifyEmailRequest, session: AsyncSession = Depends(get_session)
+    data: VerifyEmailRequest,
+    request: Request,
+    session: AsyncSession = Depends(get_session),
 ):
     result = await session.execute(
         select(User).where(User.verification_token == data.token)
@@ -204,26 +394,35 @@ async def verify_email_post(
     if not user:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Token de vérification invalide",
+            detail="Token de verification invalide",
         )
 
-    if user.verification_token_expires < datetime.now():
+    if (
+        user.verification_token_expires
+        and user.verification_token_expires < datetime.now()
+    ):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Token expiré. Demandez un nouvel email de vérification.",
+            detail="Token expire. Demandez un nouveau lien de verification.",
         )
 
     user.is_verified = True
     user.verification_token = None
     user.verification_token_expires = None
+
+    await AuditService.log_event(
+        session=session,
+        event_type=AuditEventType.EMAIL_VERIFICATION,
+        request=request,
+        user_id=user.id,
+        description="Email verifie avec succes",
+    )
+
     await session.commit()
 
-    logger.info(f" Email vérifié: {user.email}")
+    logger.info(f"Email verifie: {user.email}")
 
-    return {
-        "success": True,
-        "message": "Email vérifié avec succès ! Vous pouvez maintenant vous connecter.",
-    }
+    return {"success": True, "message": "Email verifie avec succes."}
 
 
 @router.post("/resend-verification")
@@ -238,12 +437,12 @@ async def resend_verification(
     if not user:
         return {
             "success": True,
-            "message": "Si cet email existe, un nouveau lien de vérification a été envoyé.",
+            "message": "Si cet email existe, un nouveau lien a ete envoye.",
         }
 
     if user.is_verified:
         raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST, detail="Ce compte est déjà vérifié"
+            status_code=status.HTTP_400_BAD_REQUEST, detail="Ce compte est deja verifie"
         )
 
     verification_token = generate_verification_token()
@@ -254,165 +453,7 @@ async def resend_verification(
     base_url = str(request.base_url).rstrip("/")
     AuthEmailService.send_verification_email(user.email, verification_token, base_url)
 
-    return {"success": True, "message": "Un nouveau lien de vérification a été envoyé."}
-
-
-@router.post("/login", response_model=TokenResponse)
-async def login(
-    data: LoginRequest, request: Request, session: AsyncSession = Depends(get_session)
-):
-    ip = request.client.host if request.client else "unknown"
-    user_agent = request.headers.get("user-agent", "unknown")
-
-    is_allowed, error_msg = await check_rate_limit(session, data.email.lower(), ip)
-    if not is_allowed:
-        raise HTTPException(
-            status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail=error_msg
-        )
-
-    result = await session.execute(select(User).where(User.email == data.email.lower()))
-    user = result.scalar_one_or_none()
-
-    if not user or not verify_password(data.password, user.hashed_password):
-        await log_login_attempt(
-            session,
-            data.email.lower(),
-            ip,
-            user_agent,
-            False,
-            "Identifiants incorrects",
-        )
-
-        if user:
-            user.failed_login_attempts += 1
-
-            if user.failed_login_attempts >= 5:
-                user.locked_until = datetime.now() + timedelta(minutes=15)
-                await session.commit()
-                raise HTTPException(
-                    status_code=status.HTTP_403_FORBIDDEN,
-                    detail="Compte verrouillé suite à trop de tentatives. Réessayez dans 15 minutes.",
-                )
-
-            await session.commit()
-
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Email ou mot de passe incorrect",
-        )
-
-    if not user.is_active:
-        await log_login_attempt(
-            session, data.email.lower(), ip, user_agent, False, "Compte désactivé"
-        )
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN, detail="Compte désactivé"
-        )
-
-    if not user.is_verified:
-        await log_login_attempt(
-            session, data.email.lower(), ip, user_agent, False, "Email non vérifié"
-        )
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Email non vérifié. Consultez votre boîte de réception.",
-        )
-
-    if user.locked_until and user.locked_until > datetime.now():
-        await log_login_attempt(
-            session, data.email.lower(), ip, user_agent, False, "Compte verrouillé"
-        )
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Compte temporairement verrouillé",
-        )
-
-    user.failed_login_attempts = 0
-    user.locked_until = None
-    user.last_login = datetime.now()
-
-    access_token = create_access_token(
-        {"sub": user.id, "email": user.email, "role": user.role}
-    )
-    refresh_token_jwt = create_refresh_token(user.id)
-
-    refresh_token_record = RefreshToken(
-        id=str(uuid.uuid4()),
-        user_id=user.id,
-        token_hash=hash_token(refresh_token_jwt),
-        device_info=user_agent[:500],
-        ip_address=ip,
-        expires_at=datetime.now() + timedelta(days=7),
-        created_at=datetime.now(),
-    )
-
-    session.add(refresh_token_record)
-    await session.commit()
-
-    await log_login_attempt(session, data.email.lower(), ip, user_agent, True)
-
-    logger.info(f" Connexion réussie: {user.email}")
-
-    return TokenResponse(
-        access_token=access_token,
-        refresh_token=refresh_token_jwt,
-        expires_in=86400,
-    )
-
-
-@router.post("/refresh", response_model=TokenResponse)
-async def refresh_access_token(
-    data: RefreshTokenRequest, session: AsyncSession = Depends(get_session)
-):
-    payload = decode_token(data.refresh_token)
-    if not payload or payload.get("type") != "refresh":
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED, detail="Refresh token invalide"
-        )
-
-    user_id = payload.get("sub")
-    token_hash = hash_token(data.refresh_token)
-
-    result = await session.execute(
-        select(RefreshToken).where(
-            RefreshToken.user_id == user_id,
-            RefreshToken.token_hash == token_hash,
-            not RefreshToken.is_revoked,
-        )
-    )
-    token_record = result.scalar_one_or_none()
-
-    if not token_record:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Refresh token révoqué ou introuvable",
-        )
-
-    if token_record.expires_at < datetime.now():
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED, detail="Refresh token expiré"
-        )
-
-    result = await session.execute(select(User).where(User.id == user_id))
-    user = result.scalar_one_or_none()
-
-    if not user or not user.is_active:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Utilisateur introuvable ou désactivé",
-        )
-
-    new_access_token = create_access_token(
-        {"sub": user.id, "email": user.email, "role": user.role}
-    )
-
-    logger.info(f" Token rafraîchi: {user.email}")
-
-    return TokenResponse(
-        access_token=new_access_token,
-        refresh_token=data.refresh_token,
-        expires_in=86400,
-    )
+    return {"success": True, "message": "Un nouveau lien de verification a ete envoye."}
 
 
 @router.post("/forgot-password")
@@ -421,13 +462,27 @@ async def forgot_password(
     request: Request,
     session: AsyncSession = Depends(get_session),
 ):
+    ip = get_client_ip(request)
+
+    allowed, error_msg = await RateLimiter.check_password_reset_rate_limit(
+        data.email.lower(), ip
+    )
+    if not allowed:
+        raise HTTPException(
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail=error_msg
+        )
+
     result = await session.execute(select(User).where(User.email == data.email.lower()))
     user = result.scalar_one_or_none()
 
+    await AuditService.log_password_reset_request(
+        session, request, data.email, user.id if user else None
+    )
+
     if not user:
         return {
             "success": True,
-            "message": "Si cet email existe, un lien de réinitialisation a été envoyé.",
+            "message": "Si cet email existe, un lien de reinitialisation a ete envoye.",
         }
 
     reset_token = generate_reset_token()
@@ -435,24 +490,23 @@ async def forgot_password(
     user.reset_token_expires = datetime.now() + timedelta(hours=1)
     await session.commit()
 
-    frontend_url = (
-        settings.frontend_url
-        if hasattr(settings, "frontend_url")
-        else str(request.base_url).rstrip("/")
-    )
+    frontend_url = settings.frontend_url or str(request.base_url).rstrip("/")
     AuthEmailService.send_password_reset_email(user.email, reset_token, frontend_url)
 
-    logger.info(f" Reset password demandé: {user.email}")
+    logger.info(f"Reset password demande: {user.email}")
 
     return {
         "success": True,
-        "message": "Si cet email existe, un lien de réinitialisation a été envoyé.",
+        "message": "Si cet email existe, un lien de reinitialisation a ete envoye.",
     }
 
 
 @router.post("/reset-password")
 async def reset_password(
-    data: ResetPasswordRequest, session: AsyncSession = Depends(get_session)
+    data: ResetPasswordRequest,
+    request: Request,
+    response: Response,
+    session: AsyncSession = Depends(get_session),
 ):
     result = await session.execute(select(User).where(User.reset_token == data.token))
     user = result.scalar_one_or_none()
@@ -460,13 +514,13 @@ async def reset_password(
     if not user:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Token de réinitialisation invalide",
+            detail="Token de reinitialisation invalide",
         )
 
-    if user.reset_token_expires < datetime.now():
+    if user.reset_token_expires and user.reset_token_expires < datetime.now():
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Token expiré. Demandez un nouveau lien de réinitialisation.",
+            detail="Token expire. Demandez un nouveau lien.",
         )
 
     is_valid, error_msg = validate_password_strength(data.new_password)
@@ -478,41 +532,67 @@ async def reset_password(
     user.reset_token_expires = None
     user.failed_login_attempts = 0
     user.locked_until = None
+    user.password_changed_at = datetime.now()
+
+    await TokenService.revoke_all_user_tokens(
+        session=session, user_id=user.id, reason="password_reset"
+    )
+
+    await AuditService.log_password_change(session, request, user.id, "reset")
+
     await session.commit()
 
+    CookieManager.clear_all_auth_cookies(response)
+
     AuthEmailService.send_password_changed_notification(user.email)
 
-    logger.info(f" Mot de passe réinitialisé: {user.email}")
+    logger.info(f"Mot de passe reinitialise: {user.email}")
 
     return {
         "success": True,
-        "message": "Mot de passe réinitialisé avec succès. Vous pouvez maintenant vous connecter.",
+        "message": "Mot de passe reinitialise. Vous pouvez maintenant vous connecter.",
     }
 
 
-@router.post("/logout")
-async def logout(
-    data: RefreshTokenRequest,
+@router.post("/change-password")
+async def change_password(
+    data: ChangePasswordRequest,
+    request: Request,
+    response: Response,
     session: AsyncSession = Depends(get_session),
     user: User = Depends(get_current_user),
 ):
-    token_hash = hash_token(data.refresh_token)
-
-    result = await session.execute(
-        select(RefreshToken).where(
-            RefreshToken.user_id == user.id, RefreshToken.token_hash == token_hash
+    if not verify_password(data.current_password, user.hashed_password):
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Mot de passe actuel incorrect",
         )
+
+    is_valid, error_msg = validate_password_strength(data.new_password)
+    if not is_valid:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=error_msg)
+
+    user.hashed_password = hash_password(data.new_password)
+    user.password_changed_at = datetime.now()
+
+    await TokenService.revoke_all_user_tokens(
+        session=session, user_id=user.id, reason="password_change"
     )
-    token_record = result.scalar_one_or_none()
 
-    if token_record:
-        token_record.is_revoked = True
-        token_record.revoked_at = datetime.now()
-        await session.commit()
+    await AuditService.log_password_change(session, request, user.id, "user_initiated")
 
-    logger.info(f"👋 Déconnexion: {user.email}")
+    await session.commit()
 
-    return {"success": True, "message": "Déconnexion réussie"}
+    CookieManager.clear_all_auth_cookies(response)
+
+    AuthEmailService.send_password_changed_notification(user.email)
+
+    logger.info(f"Mot de passe change: {user.email}")
+
+    return {
+        "success": True,
+        "message": "Mot de passe modifie. Veuillez vous reconnecter.",
+    }
 
 
 @router.get("/me")
@@ -524,6 +604,69 @@ async def get_current_user_info(user: User = Depends(get_current_user)):
         "prenom": user.prenom,
         "role": user.role,
         "is_verified": user.is_verified,
-        "created_at": user.created_at.isoformat(),
+        "created_at": user.created_at.isoformat() if user.created_at else None,
         "last_login": user.last_login.isoformat() if user.last_login else None,
     }
+
+
+@router.get("/sessions", response_model=List[SessionResponse])
+async def get_active_sessions(
+    session: AsyncSession = Depends(get_session), user: User = Depends(get_current_user)
+):
+    sessions = await TokenService.get_user_active_sessions(session, user.id)
+    return [SessionResponse(**s) for s in sessions]
+
+
+@router.delete("/sessions/{session_id}")
+async def revoke_session(
+    session_id: str,
+    request: Request,
+    session: AsyncSession = Depends(get_session),
+    user: User = Depends(get_current_user),
+):
+    result = await session.execute(
+        select(RefreshToken).where(
+            RefreshToken.id == session_id,
+            RefreshToken.user_id == user.id,
+            RefreshToken.is_revoked.is_(false()),
+        )
+    )
+    token_record = result.scalar_one_or_none()
+
+    if not token_record:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, detail="Session introuvable"
+        )
+
+    token_record.is_revoked = True
+    token_record.revoked_at = datetime.now()
+    token_record.revoked_reason = "user_revoked"
+
+    await AuditService.log_event(
+        session=session,
+        event_type=AuditEventType.SESSION_TERMINATED,
+        request=request,
+        user_id=user.id,
+        description=f"Session {session_id[:8]}... revoquee",
+    )
+
+    await session.commit()
+
+    return {"success": True, "message": "Session revoquee"}
+
+
+@router.get("/csrf-token")
+async def get_csrf_token(
+    request: Request, response: Response, user: User = Depends(get_current_user)
+):
+    from security.auth import generate_session_id, create_csrf_token
+
+    session_id = getattr(request.state, "session_id", None)
+    if not session_id:
+        session_id = generate_session_id()
+
+    csrf_token = create_csrf_token(session_id)
+
+    CookieManager.set_csrf_token(response, csrf_token)
+
+    return {"csrf_token": csrf_token}

routes/sage_gateway.py

@@ -18,7 +18,7 @@ from schemas import (
     SageGatewayStatsResponse,
     CurrentGatewayInfo,
 )
-from config import settings
+from config.config import settings
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/sage-gateways", tags=["Sage Gateways"])

sage/sage_client.py

@@ -1,7 +1,7 @@
 # sage_client.py
 import requests
 from typing import Dict, List, Optional
-from config import settings
+from config.config import settings
 import logging
 
 logger = logging.getLogger(__name__)

schemas/documents/documents.py

@@ -1,4 +1,4 @@
-from config import settings
+from config.config import settings
 from enum import Enum
 
 

schemas/sage/sage_gateway.py

@@ -12,7 +12,6 @@ class GatewayHealthStatus(str, Enum):
 
 # === CREATE ===
 class SageGatewayCreate(BaseModel):
-
     name: str = Field(
         ..., min_length=2, max_length=100, description="Nom de la gateway"
     )
@@ -24,8 +23,6 @@ class SageGatewayCreate(BaseModel):
     gateway_token: str = Field(
         ..., min_length=10, description="Token d'authentification"
     )
-
-    sage_database: Optional[str] = Field(None, max_length=255)
     sage_company: Optional[str] = Field(None, max_length=255)
 
     is_active: bool = Field(False, description="Activer immédiatement cette gateway")
@@ -54,9 +51,6 @@ class SageGatewayUpdate(BaseModel):
     gateway_url: Optional[str] = None
     gateway_token: Optional[str] = Field(None, min_length=10)
 
-    sage_database: Optional[str] = None
-    sage_company: Optional[str] = None
-
     is_default: Optional[bool] = None
     priority: Optional[int] = Field(None, ge=0, le=100)
 
@@ -73,7 +67,6 @@ class SageGatewayUpdate(BaseModel):
 
 # === RESPONSE ===
 class SageGatewayResponse(BaseModel):
-
     id: str
     user_id: str
 
@@ -83,9 +76,6 @@ class SageGatewayResponse(BaseModel):
     gateway_url: str
     token_preview: str
 
-    sage_database: Optional[str] = None
-    sage_company: Optional[str] = None
-
     is_active: bool
     is_default: bool
     priority: int
@@ -111,7 +101,6 @@ class SageGatewayResponse(BaseModel):
 
 
 class SageGatewayListResponse(BaseModel):
-
     items: List[SageGatewayResponse]
     total: int
     active_gateway: Optional[SageGatewayResponse] = None

security/__init__.py

@@ -0,0 +1,55 @@
+from security.auth import (
+    hash_password,
+    verify_password,
+    validate_password_strength,
+    generate_verification_token,
+    generate_reset_token,
+    generate_csrf_token,
+    generate_secure_token,
+    hash_token,
+    constant_time_compare,
+    create_access_token,
+    create_refresh_token,
+    decode_token,
+    generate_session_id,
+)
+
+from security.cookies import CookieManager, set_auth_cookies
+
+from security.fingerprint import (
+    DeviceFingerprint,
+    get_fingerprint_hash,
+    validate_fingerprint,
+    get_client_ip,
+)
+
+from security.csrf import CSRFProtection, verify_csrf, generate_csrf_for_session
+
+from security.rate_limiter import RateLimiter, check_rate_limit_dependency
+
+__all__ = [
+    "hash_password",
+    "verify_password",
+    "validate_password_strength",
+    "generate_verification_token",
+    "generate_reset_token",
+    "generate_csrf_token",
+    "generate_secure_token",
+    "hash_token",
+    "constant_time_compare",
+    "create_access_token",
+    "create_refresh_token",
+    "decode_token",
+    "generate_session_id",
+    "CookieManager",
+    "set_auth_cookies",
+    "DeviceFingerprint",
+    "get_fingerprint_hash",
+    "validate_fingerprint",
+    "get_client_ip",
+    "CSRFProtection",
+    "verify_csrf",
+    "generate_csrf_for_session",
+    "RateLimiter",
+    "check_rate_limit_dependency",
+]

security/auth.py

@@ -1,16 +1,17 @@
 from passlib.context import CryptContext
-from datetime import datetime, timedelta
-from typing import Optional, Dict
+from datetime import datetime, timedelta, timezone
+from typing import Optional, Dict, Any, Tuple
 import jwt
 import secrets
 import hashlib
+import hmac
+import logging
 
-SECRET_KEY = "VOTRE_SECRET_KEY_A_METTRE_EN_.ENV"
-ALGORITHM = "HS256"
-ACCESS_TOKEN_EXPIRE_MINUTES = 30
-REFRESH_TOKEN_EXPIRE_DAYS = 7
+from config.config import settings
 
-pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+logger = logging.getLogger(__name__)
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto", bcrypt__rounds=12)
 
 
 def hash_password(password: str) -> str:
@@ -18,75 +19,192 @@ def hash_password(password: str) -> str:
 
 
 def verify_password(plain_password: str, hashed_password: str) -> bool:
-    return pwd_context.verify(plain_password, hashed_password)
+    try:
+        return pwd_context.verify(plain_password, hashed_password)
+    except Exception as e:
+        logger.warning(f"Erreur verification mot de passe: {e}")
+        return False
+
+
+def generate_secure_token(length: int = 32) -> str:
+    return secrets.token_urlsafe(length)
 
 
 def generate_verification_token() -> str:
-    return secrets.token_urlsafe(32)
+    return generate_secure_token(32)
 
 
 def generate_reset_token() -> str:
-    return secrets.token_urlsafe(32)
+    return generate_secure_token(32)
+
+
+def generate_csrf_token() -> str:
+    return generate_secure_token(32)
+
+
+def generate_refresh_token_id() -> str:
+    return generate_secure_token(16)
 
 
 def hash_token(token: str) -> str:
     return hashlib.sha256(token.encode()).hexdigest()
 
 
-def create_access_token(data: Dict, expires_delta: Optional[timedelta] = None) -> str:
+def constant_time_compare(val1: str, val2: str) -> bool:
+    return hmac.compare_digest(val1.encode(), val2.encode())
+
+
+def create_access_token(
+    data: Dict[str, Any],
+    expires_delta: Optional[timedelta] = None,
+    fingerprint_hash: Optional[str] = None,
+) -> str:
     to_encode = data.copy()
+    now = datetime.now(timezone.utc)
 
     if expires_delta:
-        expire = datetime.utcnow() + expires_delta
+        expire = now + expires_delta
     else:
-        expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+        expire = now + timedelta(minutes=settings.access_token_expire_minutes)
 
-    to_encode.update({"exp": expire, "iat": datetime.utcnow(), "type": "access"})
+    to_encode.update(
+        {
+            "exp": expire,
+            "iat": now,
+            "nbf": now,
+            "type": "access",
+            "jti": generate_secure_token(8),
+        }
+    )
 
-    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
-    return encoded_jwt
+    if fingerprint_hash:
+        to_encode["fph"] = fingerprint_hash
+
+    return jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)
 
 
-def create_refresh_token(user_id: str) -> str:
-    expire = datetime.utcnow() + timedelta(days=REFRESH_TOKEN_EXPIRE_DAYS)
+def create_refresh_token(
+    user_id: str,
+    token_id: Optional[str] = None,
+    fingerprint_hash: Optional[str] = None,
+    expires_delta: Optional[timedelta] = None,
+) -> Tuple[str, str]:
+    now = datetime.now(timezone.utc)
+
+    if expires_delta:
+        expire = now + expires_delta
+    else:
+        expire = now + timedelta(days=settings.refresh_token_expire_days)
+
+    if not token_id:
+        token_id = generate_refresh_token_id()
 
     to_encode = {
         "sub": user_id,
         "exp": expire,
-        "iat": datetime.utcnow(),
+        "iat": now,
+        "nbf": now,
         "type": "refresh",
-        "jti": secrets.token_urlsafe(16),  # Unique ID
+        "jti": token_id,
     }
 
-    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
-    return encoded_jwt
+    if fingerprint_hash:
+        to_encode["fph"] = fingerprint_hash
+
+    token = jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+    return token, token_id
 
 
-def decode_token(token: str) -> Optional[Dict]:
+def create_csrf_token(session_id: str) -> str:
+    now = datetime.now(timezone.utc)
+    expire = now + timedelta(minutes=settings.csrf_token_expire_minutes)
+
+    to_encode = {
+        "sid": session_id,
+        "exp": expire,
+        "iat": now,
+        "type": "csrf",
+        "jti": generate_secure_token(8),
+    }
+
+    return jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+
+def decode_token(
+    token: str, expected_type: Optional[str] = None
+) -> Optional[Dict[str, Any]]:
     try:
-        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        payload = jwt.decode(
+            token,
+            settings.jwt_secret,
+            algorithms=[settings.jwt_algorithm],
+            options={
+                "require": ["exp", "iat", "type"],
+                "verify_exp": True,
+                "verify_iat": True,
+                "verify_nbf": True,
+            },
+        )
+
+        if expected_type and payload.get("type") != expected_type:
+            logger.warning(
+                f"Type de token incorrect: attendu={expected_type}, recu={payload.get('type')}"
+            )
+            return None
+
         return payload
+
     except jwt.ExpiredSignatureError:
+        logger.debug("Token expire")
         return None
-    except jwt.JWTError:
+    except jwt.InvalidTokenError as e:
+        logger.warning(f"Token invalide: {e}")
+        return None
+    except Exception as e:
+        logger.error(f"Erreur decodage token: {e}")
         return None
 
 
-def validate_password_strength(password: str) -> tuple[bool, str]:
-    if len(password) < 8:
-        return False, "Le mot de passe doit contenir au moins 8 caractères"
+def validate_password_strength(password: str) -> Tuple[bool, str]:
+    if len(password) < settings.password_min_length:
+        return (
+            False,
+            f"Le mot de passe doit contenir au moins {settings.password_min_length} caracteres",
+        )
 
-    if not any(c.isupper() for c in password):
+    if settings.password_require_uppercase and not any(c.isupper() for c in password):
         return False, "Le mot de passe doit contenir au moins une majuscule"
 
-    if not any(c.islower() for c in password):
+    if settings.password_require_lowercase and not any(c.islower() for c in password):
         return False, "Le mot de passe doit contenir au moins une minuscule"
 
-    if not any(c.isdigit() for c in password):
+    if settings.password_require_digit and not any(c.isdigit() for c in password):
         return False, "Le mot de passe doit contenir au moins un chiffre"
 
-    special_chars = "!@#$%^&*()_+-=[]{}|;:,.<>?"
-    if not any(c in special_chars for c in password):
-        return False, "Le mot de passe doit contenir au moins un caractère spécial"
+    if settings.password_require_special:
+        special_chars = "!@#$%^&*()_+-=[]{}|;:,.<>?/~`"
+        if not any(c in special_chars for c in password):
+            return False, "Le mot de passe doit contenir au moins un caractere special"
+
+    common_passwords = [
+        "password",
+        "123456",
+        "qwerty",
+        "admin",
+        "letmein",
+        "welcome",
+        "monkey",
+        "dragon",
+        "master",
+        "login",
+    ]
+    if password.lower() in common_passwords:
+        return False, "Ce mot de passe est trop courant"
 
     return True, ""
+
+
+def generate_session_id() -> str:
+    """Genere un identifiant de session unique."""
+    return generate_secure_token(24)

security/cookies.py

@@ -0,0 +1,157 @@
+from fastapi import Response, Request
+from typing import Optional
+import logging
+
+from config.config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class CookieManager:
+    @staticmethod
+    def _get_samesite_value() -> str:
+        value = settings.cookie_samesite.lower()
+        if value in ("strict", "lax", "none"):
+            return value
+        return "strict"
+
+    @staticmethod
+    def _should_be_secure() -> bool:
+        if settings.is_development and not settings.cookie_secure:
+            return False
+        return True
+
+    @classmethod
+    def set_access_token(
+        cls, response: Response, token: str, max_age: Optional[int] = None
+    ) -> None:
+        if max_age is None:
+            max_age = settings.access_token_expire_minutes * 60
+
+        response.set_cookie(
+            key=settings.cookie_access_token_name,
+            value=token,
+            max_age=max_age,
+            expires=max_age,
+            path="/",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=settings.cookie_httponly,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie access_token defini")
+
+    @classmethod
+    def set_refresh_token(
+        cls, response: Response, token: str, max_age: Optional[int] = None
+    ) -> None:
+        if max_age is None:
+            max_age = settings.refresh_token_expire_days * 24 * 60 * 60
+
+        response.set_cookie(
+            key=settings.cookie_refresh_token_name,
+            value=token,
+            max_age=max_age,
+            expires=max_age,
+            path="/auth",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=settings.cookie_httponly,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie refresh_token defini")
+
+    @classmethod
+    def set_csrf_token(
+        cls, response: Response, token: str, max_age: Optional[int] = None
+    ) -> None:
+        if max_age is None:
+            max_age = settings.csrf_token_expire_minutes * 60
+
+        response.set_cookie(
+            key=settings.cookie_csrf_token_name,
+            value=token,
+            max_age=max_age,
+            expires=max_age,
+            path="/",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=False,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie csrf_token defini")
+
+    @classmethod
+    def clear_access_token(cls, response: Response) -> None:
+        response.delete_cookie(
+            key=settings.cookie_access_token_name,
+            path="/",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=settings.cookie_httponly,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie access_token supprime")
+
+    @classmethod
+    def clear_refresh_token(cls, response: Response) -> None:
+        response.delete_cookie(
+            key=settings.cookie_refresh_token_name,
+            path="/auth",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=settings.cookie_httponly,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie refresh_token supprime")
+
+    @classmethod
+    def clear_csrf_token(cls, response: Response) -> None:
+        response.delete_cookie(
+            key=settings.cookie_csrf_token_name,
+            path="/",
+            domain=settings.cookie_domain,
+            secure=cls._should_be_secure(),
+            httponly=False,
+            samesite=cls._get_samesite_value(),
+        )
+        logger.debug("Cookie csrf_token supprime")
+
+    @classmethod
+    def clear_all_auth_cookies(cls, response: Response) -> None:
+        cls.clear_access_token(response)
+        cls.clear_refresh_token(response)
+        cls.clear_csrf_token(response)
+        logger.debug("Tous les cookies auth supprimes")
+
+    @classmethod
+    def get_access_token(cls, request: Request) -> Optional[str]:
+        token = request.cookies.get(settings.cookie_access_token_name)
+        if token:
+            return token
+
+        auth_header = request.headers.get("Authorization")
+        if auth_header and auth_header.startswith("Bearer "):
+            return auth_header[7:]
+
+        return None
+
+    @classmethod
+    def get_refresh_token(cls, request: Request) -> Optional[str]:
+        return request.cookies.get(settings.cookie_refresh_token_name)
+
+    @classmethod
+    def get_csrf_token(cls, request: Request) -> Optional[str]:
+        csrf_header = request.headers.get("X-CSRF-Token")
+        if csrf_header:
+            return csrf_header
+
+        return request.cookies.get(settings.cookie_csrf_token_name)
+
+
+def set_auth_cookies(
+    response: Response, access_token: str, refresh_token: str, csrf_token: str
+) -> None:
+    CookieManager.set_access_token(response, access_token)
+    CookieManager.set_refresh_token(response, refresh_token)
+    CookieManager.set_csrf_token(response, csrf_token)

security/csrf.py

@@ -0,0 +1,117 @@
+"""
+security/csrf.py - Protection contre les attaques Cross-Site Request Forgery
+"""
+
+from fastapi import Request, HTTPException, status
+from typing import Optional, Set
+import logging
+
+from config.config import settings
+from security.auth import decode_token, create_csrf_token, constant_time_compare
+
+logger = logging.getLogger(__name__)
+
+
+SAFE_METHODS: Set[str] = {"GET", "HEAD", "OPTIONS", "TRACE"}
+
+CSRF_EXEMPT_PATHS: Set[str] = {
+    "/auth/login",
+    "/auth/register",
+    "/auth/forgot-password",
+    "/auth/verify-email",
+    "/auth/resend-verification",
+    "/health",
+    "/docs",
+    "/redoc",
+    "/openapi.json",
+    "/webhooks/universign",
+}
+
+
+class CSRFProtection:
+    @classmethod
+    def is_exempt(cls, request: Request) -> bool:
+        if request.method in SAFE_METHODS:
+            return True
+
+        path = request.url.path.rstrip("/")
+        if path in CSRF_EXEMPT_PATHS:
+            return True
+
+        for exempt_path in CSRF_EXEMPT_PATHS:
+            if path.startswith(exempt_path):
+                return True
+
+        return False
+
+    @classmethod
+    def generate_token(cls, session_id: str) -> str:
+        return create_csrf_token(session_id)
+
+    @classmethod
+    def validate_token(cls, request: Request, session_id: Optional[str] = None) -> bool:
+        csrf_header = request.headers.get("X-CSRF-Token")
+
+        if not csrf_header:
+            logger.warning("Token CSRF manquant dans le header")
+            return False
+
+        payload = decode_token(csrf_header, expected_type="csrf")
+
+        if not payload:
+            logger.warning("Token CSRF invalide ou expire")
+            return False
+
+        if session_id and payload.get("sid") != session_id:
+            logger.warning("Token CSRF ne correspond pas a la session")
+            return False
+
+        return True
+
+    @classmethod
+    def validate_double_submit(cls, request: Request) -> bool:
+        header_token = request.headers.get("X-CSRF-Token")
+        cookie_token = request.cookies.get(settings.cookie_csrf_token_name)
+
+        if not header_token or not cookie_token:
+            logger.warning("Token CSRF manquant (header ou cookie)")
+            return False
+
+        if not constant_time_compare(header_token, cookie_token):
+            logger.warning("Tokens CSRF ne correspondent pas")
+            return False
+
+        return True
+
+    @classmethod
+    def validate_request(
+        cls,
+        request: Request,
+        session_id: Optional[str] = None,
+        use_double_submit: bool = True,
+    ) -> bool:
+        if cls.is_exempt(request):
+            return True
+
+        if use_double_submit:
+            if not cls.validate_double_submit(request):
+                return False
+
+        return cls.validate_token(request, session_id)
+
+
+async def verify_csrf(request: Request, session_id: Optional[str] = None) -> None:
+    if CSRFProtection.is_exempt(request):
+        return
+
+    if not CSRFProtection.validate_request(request, session_id):
+        logger.warning(
+            f"Verification CSRF echouee pour {request.method} {request.url.path}"
+        )
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="Verification CSRF echouee"
+        )
+
+
+def generate_csrf_for_session(session_id: str) -> str:
+    return CSRFProtection.generate_token(session_id)

security/fingerprint.py

@@ -0,0 +1,122 @@
+from fastapi import Request
+from typing import Dict
+import hashlib
+import hmac
+import logging
+
+from config.config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class DeviceFingerprint:
+    COMPONENT_EXTRACTORS = {
+        "user_agent": lambda r: r.headers.get("User-Agent", ""),
+        "accept_language": lambda r: r.headers.get("Accept-Language", ""),
+        "accept_encoding": lambda r: r.headers.get("Accept-Encoding", ""),
+        "accept": lambda r: r.headers.get("Accept", ""),
+        "connection": lambda r: r.headers.get("Connection", ""),
+        "cache_control": lambda r: r.headers.get("Cache-Control", ""),
+        "client_ip": lambda r: DeviceFingerprint._get_client_ip(r),
+        "sec_ch_ua": lambda r: r.headers.get("Sec-CH-UA", ""),
+        "sec_ch_ua_platform": lambda r: r.headers.get("Sec-CH-UA-Platform", ""),
+        "sec_ch_ua_mobile": lambda r: r.headers.get("Sec-CH-UA-Mobile", ""),
+    }
+
+    @staticmethod
+    def _get_client_ip(request: Request) -> str:
+        forwarded = request.headers.get("X-Forwarded-For")
+        if forwarded:
+            return forwarded.split(",")[0].strip()
+
+        real_ip = request.headers.get("X-Real-IP")
+        if real_ip:
+            return real_ip
+
+        if request.client:
+            return request.client.host
+
+        return ""
+
+    @classmethod
+    def extract_components(cls, request: Request) -> Dict[str, str]:
+        components = {}
+
+        for component_name in settings.fingerprint_components:
+            extractor = cls.COMPONENT_EXTRACTORS.get(component_name)
+            if extractor:
+                try:
+                    value = extractor(request)
+                    components[component_name] = value if value else ""
+                except Exception as e:
+                    logger.warning(f"Erreur extraction composant {component_name}: {e}")
+                    components[component_name] = ""
+            else:
+                logger.warning(f"Extracteur inconnu pour composant: {component_name}")
+
+        return components
+
+    @classmethod
+    def generate_hash(cls, request: Request, include_ip: bool = False) -> str:
+        components = cls.extract_components(request)
+
+        if not include_ip and "client_ip" in components:
+            del components["client_ip"]
+
+        sorted_keys = sorted(components.keys())
+        fingerprint_data = "|".join(f"{k}:{components[k]}" for k in sorted_keys)
+
+        secret = settings.fingerprint_secret or settings.jwt_secret
+
+        signature = hmac.new(
+            secret.encode(), fingerprint_data.encode(), hashlib.sha256
+        ).hexdigest()
+
+        return signature
+
+    @classmethod
+    def generate_from_components(cls, components: Dict[str, str]) -> str:
+        sorted_keys = sorted(components.keys())
+        fingerprint_data = "|".join(f"{k}:{components.get(k, '')}" for k in sorted_keys)
+
+        secret = settings.fingerprint_secret or settings.jwt_secret
+
+        signature = hmac.new(
+            secret.encode(), fingerprint_data.encode(), hashlib.sha256
+        ).hexdigest()
+
+        return signature
+
+    @classmethod
+    def validate(
+        cls, request: Request, stored_hash: str, include_ip: bool = False
+    ) -> bool:
+        if not stored_hash:
+            return True
+
+        current_hash = cls.generate_hash(request, include_ip=include_ip)
+
+        return hmac.compare_digest(current_hash, stored_hash)
+
+    @classmethod
+    def get_device_info(cls, request: Request) -> Dict[str, str]:
+        user_agent = request.headers.get("User-Agent", "")
+
+        return {
+            "user_agent": user_agent[:500] if user_agent else "",
+            "ip_address": cls._get_client_ip(request),
+            "accept_language": request.headers.get("Accept-Language", "")[:100],
+            "fingerprint_hash": cls.generate_hash(request),
+        }
+
+
+def get_fingerprint_hash(request: Request) -> str:
+    return DeviceFingerprint.generate_hash(request)
+
+
+def validate_fingerprint(request: Request, stored_hash: str) -> bool:
+    return DeviceFingerprint.validate(request, stored_hash)
+
+
+def get_client_ip(request: Request) -> str:
+    return DeviceFingerprint._get_client_ip(request)

security/rate_limiter.py

@@ -0,0 +1,147 @@
+from fastapi import Request, HTTPException, status
+from typing import Optional, Tuple
+import logging
+
+from config.config import settings
+from services.redis_service import redis_service
+from security.fingerprint import get_client_ip
+
+logger = logging.getLogger(__name__)
+
+
+class RateLimiter:
+    @staticmethod
+    def _make_key(identifier: str, action: str) -> str:
+        return f"{action}:{identifier}"
+
+    @classmethod
+    async def check_login_rate_limit(
+        cls, email: str, ip_address: str
+    ) -> Tuple[bool, Optional[str], int]:
+        window_seconds = settings.rate_limit_login_window_minutes * 60
+        max_attempts = settings.rate_limit_login_attempts
+
+        email_key = cls._make_key(email.lower(), "login_email")
+        email_count = await redis_service.get_rate_limit_count(email_key)
+
+        if email_count >= max_attempts:
+            return (
+                False,
+                f"Trop de tentatives pour cet email. Reessayez dans {settings.rate_limit_login_window_minutes} minutes.",
+                window_seconds,
+            )
+
+        ip_key = cls._make_key(ip_address, "login_ip")
+        ip_count = await redis_service.get_rate_limit_count(ip_key)
+
+        ip_limit = max_attempts * 3
+        if ip_count >= ip_limit:
+            return (
+                False,
+                window_seconds,
+            )
+
+        return (True, None, 0)
+
+    @classmethod
+    async def record_login_attempt(
+        cls, email: str, ip_address: str, success: bool
+    ) -> None:
+        window_seconds = settings.rate_limit_login_window_minutes * 60
+
+        if success:
+            email_key = cls._make_key(email.lower(), "login_email")
+            await redis_service.reset_rate_limit(email_key)
+            logger.debug(f"Rate limit reinitialise pour {email}")
+        else:
+            email_key = cls._make_key(email.lower(), "login_email")
+            await redis_service.increment_rate_limit(email_key, window_seconds)
+
+            ip_key = cls._make_key(ip_address, "login_ip")
+            await redis_service.increment_rate_limit(ip_key, window_seconds)
+
+            logger.debug(
+                f"Tentative echouee enregistree pour {email} depuis {ip_address}"
+            )
+
+    @classmethod
+    async def check_api_rate_limit(
+        cls, identifier: str, endpoint: Optional[str] = None
+    ) -> Tuple[bool, int, int]:
+        window_seconds = settings.rate_limit_api_window_seconds
+        max_requests = settings.rate_limit_api_requests
+
+        if endpoint:
+            key = cls._make_key(f"{identifier}:{endpoint}", "api")
+        else:
+            key = cls._make_key(identifier, "api")
+
+        count = await redis_service.increment_rate_limit(key, window_seconds)
+        remaining = max(0, max_requests - count)
+
+        if count > max_requests:
+            return (False, remaining, window_seconds)
+
+        return (True, remaining, window_seconds)
+
+    @classmethod
+    async def check_password_reset_rate_limit(
+        cls, email: str, ip_address: str
+    ) -> Tuple[bool, Optional[str]]:
+        window_seconds = 3600
+        max_attempts_email = 3
+        max_attempts_ip = 10
+
+        email_key = cls._make_key(email.lower(), "reset_email")
+        email_count = await redis_service.get_rate_limit_count(email_key)
+
+        if email_count >= max_attempts_email:
+            return (False, "Trop de demandes de reinitialisation pour cet email.")
+
+        ip_key = cls._make_key(ip_address, "reset_ip")
+        ip_count = await redis_service.get_rate_limit_count(ip_key)
+
+        if ip_count >= max_attempts_ip:
+            return (False, "Trop de demandes depuis cette adresse IP.")
+
+        await redis_service.increment_rate_limit(email_key, window_seconds)
+        await redis_service.increment_rate_limit(ip_key, window_seconds)
+
+        return (True, None)
+
+    @classmethod
+    async def check_registration_rate_limit(
+        cls, ip_address: str
+    ) -> Tuple[bool, Optional[str]]:
+        window_seconds = 3600
+        max_registrations = 5
+
+        key = cls._make_key(ip_address, "register_ip")
+        count = await redis_service.get_rate_limit_count(key)
+
+        if count >= max_registrations:
+            return (False, "Trop d'inscriptions depuis cette adresse IP.")
+
+        await redis_service.increment_rate_limit(key, window_seconds)
+
+        return (True, None)
+
+
+async def check_rate_limit_dependency(request: Request) -> None:
+    ip = get_client_ip(request)
+
+    allowed, remaining, reset_seconds = await RateLimiter.check_api_rate_limit(ip)
+
+    request.state.rate_limit_remaining = remaining
+    request.state.rate_limit_reset = reset_seconds
+
+    if not allowed:
+        raise HTTPException(
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+            detail="Limite de requetes atteinte. Reessayez plus tard.",
+            headers={
+                "X-RateLimit-Remaining": "0",
+                "X-RateLimit-Reset": str(reset_seconds),
+                "Retry-After": str(reset_seconds),
+            },
+        )

services/audit_service.py

@@ -0,0 +1,318 @@
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import false, select, and_
+from datetime import datetime, timedelta
+from typing import Optional, Dict, Any, List
+from fastapi import Request
+import uuid
+import json
+import logging
+
+from database import AuditLog, AuditEventType, LoginAttempt
+from security.fingerprint import DeviceFingerprint, get_client_ip
+
+logger = logging.getLogger(__name__)
+
+
+class AuditService:
+    @classmethod
+    async def log_event(
+        cls,
+        session: AsyncSession,
+        event_type: AuditEventType,
+        request: Optional[Request] = None,
+        user_id: Optional[str] = None,
+        description: Optional[str] = None,
+        success: bool = True,
+        failure_reason: Optional[str] = None,
+        resource_type: Optional[str] = None,
+        resource_id: Optional[str] = None,
+        metadata: Optional[Dict[str, Any]] = None,
+    ) -> AuditLog:
+        ip_address = None
+        user_agent = None
+        fingerprint_hash = None
+        request_method = None
+        request_path = None
+
+        if request:
+            ip_address = get_client_ip(request)
+            user_agent = request.headers.get("User-Agent", "")[:500]
+            fingerprint_hash = DeviceFingerprint.generate_hash(request)
+            request_method = request.method
+            request_path = str(request.url.path)[:500]
+
+        metadata_json = None
+        if metadata:
+            try:
+                metadata_json = json.dumps(metadata, default=str)
+            except Exception as e:
+                logger.warning(f"Erreur serialisation metadata audit: {e}")
+
+        audit_log = AuditLog(
+            id=str(uuid.uuid4()),
+            user_id=user_id,
+            event_type=event_type,
+            event_description=description,
+            ip_address=ip_address,
+            user_agent=user_agent,
+            fingerprint_hash=fingerprint_hash,
+            resource_type=resource_type,
+            resource_id=resource_id,
+            request_method=request_method,
+            request_path=request_path,
+            metadata=metadata_json,
+            success=success,
+            failure_reason=failure_reason,
+            created_at=datetime.now(),
+        )
+
+        session.add(audit_log)
+        await session.flush()
+
+        log_level = logging.INFO if success else logging.WARNING
+        logger.log(
+            log_level,
+            f"Audit: {event_type.value} user={user_id} success={success} ip={ip_address}",
+        )
+
+        return audit_log
+
+    @classmethod
+    async def log_login_success(
+        cls, session: AsyncSession, request: Request, user_id: str, email: str
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.LOGIN_SUCCESS,
+            request=request,
+            user_id=user_id,
+            description=f"Connexion reussie pour {email}",
+            success=True,
+            metadata={"email": email},
+        )
+
+    @classmethod
+    async def log_login_failed(
+        cls,
+        session: AsyncSession,
+        request: Request,
+        email: str,
+        reason: str,
+        user_id: Optional[str] = None,
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.LOGIN_FAILED,
+            request=request,
+            user_id=user_id,
+            description=f"Echec connexion pour {email}: {reason}",
+            success=False,
+            failure_reason=reason,
+            metadata={"email": email},
+        )
+
+    @classmethod
+    async def log_logout(
+        cls, session: AsyncSession, request: Request, user_id: str
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.LOGOUT,
+            request=request,
+            user_id=user_id,
+            description="Deconnexion utilisateur",
+            success=True,
+        )
+
+    @classmethod
+    async def log_password_change(
+        cls,
+        session: AsyncSession,
+        request: Request,
+        user_id: str,
+        method: str = "user_initiated",
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.PASSWORD_CHANGE,
+            request=request,
+            user_id=user_id,
+            description=f"Mot de passe modifie ({method})",
+            success=True,
+            metadata={"method": method},
+        )
+
+    @classmethod
+    async def log_password_reset_request(
+        cls,
+        session: AsyncSession,
+        request: Request,
+        email: str,
+        user_id: Optional[str] = None,
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.PASSWORD_RESET_REQUEST,
+            request=request,
+            user_id=user_id,
+            description=f"Demande reset mot de passe pour {email}",
+            success=True,
+            metadata={"email": email},
+        )
+
+    @classmethod
+    async def log_account_locked(
+        cls, session: AsyncSession, request: Request, user_id: str, reason: str
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.ACCOUNT_LOCKED,
+            request=request,
+            user_id=user_id,
+            description=f"Compte verrouille: {reason}",
+            success=True,
+            metadata={"reason": reason},
+        )
+
+    @classmethod
+    async def log_token_refresh(
+        cls, session: AsyncSession, request: Request, user_id: str
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.TOKEN_REFRESH,
+            request=request,
+            user_id=user_id,
+            description="Token rafraichi",
+            success=True,
+        )
+
+    @classmethod
+    async def log_suspicious_activity(
+        cls,
+        session: AsyncSession,
+        request: Request,
+        user_id: Optional[str],
+        activity_type: str,
+        details: str,
+    ) -> AuditLog:
+        return await cls.log_event(
+            session=session,
+            event_type=AuditEventType.SUSPICIOUS_ACTIVITY,
+            request=request,
+            user_id=user_id,
+            description=f"Activite suspecte: {activity_type} - {details}",
+            success=False,
+            failure_reason=activity_type,
+            metadata={"activity_type": activity_type, "details": details},
+        )
+
+    @classmethod
+    async def record_login_attempt(
+        cls,
+        session: AsyncSession,
+        request: Request,
+        email: str,
+        success: bool,
+        failure_reason: Optional[str] = None,
+    ) -> LoginAttempt:
+        attempt = LoginAttempt(
+            email=email.lower(),
+            ip_address=get_client_ip(request),
+            user_agent=request.headers.get("User-Agent", "")[:500],
+            fingerprint_hash=DeviceFingerprint.generate_hash(request),
+            success=success,
+            failure_reason=failure_reason,
+            timestamp=datetime.now(),
+        )
+
+        session.add(attempt)
+        await session.flush()
+
+        return attempt
+
+    @classmethod
+    async def get_recent_failed_attempts(
+        cls, session: AsyncSession, email: str, window_minutes: int = 15
+    ) -> int:
+        time_threshold = datetime.now() - timedelta(minutes=window_minutes)
+
+        result = await session.execute(
+            select(LoginAttempt).where(
+                and_(
+                    LoginAttempt.email == email.lower(),
+                    LoginAttempt.success.is_(false()),
+                    LoginAttempt.timestamp >= time_threshold,
+                )
+            )
+        )
+
+        return len(result.scalars().all())
+
+    @classmethod
+    async def get_user_audit_history(
+        cls,
+        session: AsyncSession,
+        user_id: str,
+        limit: int = 50,
+        event_types: Optional[List[AuditEventType]] = None,
+    ) -> List[AuditLog]:
+        query = select(AuditLog).where(AuditLog.user_id == user_id)
+
+        if event_types:
+            query = query.where(AuditLog.event_type.in_(event_types))
+
+        query = query.order_by(AuditLog.created_at.desc()).limit(limit)
+
+        result = await session.execute(query)
+        return list(result.scalars().all())
+
+    @classmethod
+    async def detect_suspicious_patterns(
+        cls, session: AsyncSession, user_id: str
+    ) -> Dict[str, Any]:
+        one_hour_ago = datetime.now() - timedelta(hours=1)
+        one_day_ago = datetime.now() - timedelta(days=1)
+
+        result = await session.execute(
+            select(AuditLog).where(
+                and_(
+                    AuditLog.user_id == user_id,
+                    AuditLog.event_type == AuditEventType.LOGIN_FAILED,
+                    AuditLog.created_at >= one_hour_ago,
+                )
+            )
+        )
+        failed_logins_hour = len(result.scalars().all())
+
+        result = await session.execute(
+            select(AuditLog).where(
+                and_(
+                    AuditLog.user_id == user_id,
+                    AuditLog.event_type == AuditEventType.LOGIN_SUCCESS,
+                    AuditLog.created_at >= one_day_ago,
+                )
+            )
+        )
+        login_logs = result.scalars().all()
+        unique_ips = set(log.ip_address for log in login_logs if log.ip_address)
+
+        result = await session.execute(
+            select(AuditLog).where(
+                and_(
+                    AuditLog.user_id == user_id,
+                    AuditLog.event_type == AuditEventType.PASSWORD_RESET_REQUEST,
+                    AuditLog.created_at >= one_day_ago,
+                )
+            )
+        )
+        password_resets = len(result.scalars().all())
+
+        return {
+            "failed_logins_last_hour": failed_logins_hour,
+            "unique_ips_last_day": len(unique_ips),
+            "password_reset_requests_last_day": password_resets,
+            "is_suspicious": (
+                failed_logins_hour >= 5 or len(unique_ips) >= 5 or password_resets >= 3
+            ),
+        }

services/email_queue.py

@@ -9,7 +9,7 @@ import socket
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from email.mime.application import MIMEApplication
-from config import settings
+from config.config import settings
 import logging
 from reportlab.lib.pagesizes import A4
 from reportlab.pdfgen import canvas

services/email_service.py

@@ -1,22 +1,39 @@
 import smtplib
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
-from config import settings
+from typing import Optional, List
 import logging
 
+from config.config import settings
+
 logger = logging.getLogger(__name__)
 
 
 class AuthEmailService:
     @staticmethod
-    def _send_email(to: str, subject: str, html_body: str) -> bool:
+    def _send_email(
+        to: str,
+        subject: str,
+        html_body: str,
+        cc: Optional[List[str]] = None,
+        bcc: Optional[List[str]] = None,
+    ) -> bool:
         try:
-            msg = MIMEMultipart()
+            msg = MIMEMultipart("alternative")
             msg["From"] = settings.smtp_from
             msg["To"] = to
             msg["Subject"] = subject
 
-            msg.attach(MIMEText(html_body, "html"))
+            if cc:
+                msg["Cc"] = ", ".join(cc)
+
+            msg.attach(MIMEText(html_body, "html", "utf-8"))
+
+            recipients = [to]
+            if cc:
+                recipients.extend(cc)
+            if bcc:
+                recipients.extend(bcc)
 
             with smtplib.SMTP(
                 settings.smtp_host, settings.smtp_port, timeout=30
@@ -27,176 +44,263 @@ class AuthEmailService:
                 if settings.smtp_user and settings.smtp_password:
                     server.login(settings.smtp_user, settings.smtp_password)
 
-                server.send_message(msg)
+                server.sendmail(settings.smtp_from, recipients, msg.as_string())
 
-            logger.info(f" Email envoyé: {subject} → {to}")
+            logger.info(f"Email envoye: {subject} vers {to}")
             return True
 
+        except smtplib.SMTPException as e:
+            logger.error(f"Erreur SMTP envoi email: {e}")
+            return False
         except Exception as e:
-            logger.error(f" Erreur envoi email: {e}")
+            logger.error(f"Erreur envoi email: {e}")
             return False
 
-    @staticmethod
-    def send_verification_email(email: str, token: str, base_url: str) -> bool:
+    @classmethod
+    def send_verification_email(cls, email: str, token: str, base_url: str) -> bool:
         verification_link = f"{base_url}/auth/verify-email?token={token}"
 
         html_body = f"""
-        <!DOCTYPE html>
-        <html>
-        <head>
-            <style>
-                body {{ font-family: Arial, sans-serif; line-height: 1.6; color: #333; }}
-                .container {{ max-width: 600px; margin: 0 auto; padding: 20px; }}
-                .header {{ background: #4F46E5; color: white; padding: 20px; text-align: center; border-radius: 8px 8px 0 0; }}
-                .content {{ background: #f9fafb; padding: 30px; border-radius: 0 0 8px 8px; }}
-                .button {{ 
-                    display: inline-block; 
-                    background: #4F46E5; 
-                    color: white; 
-                    padding: 12px 30px; 
-                    text-decoration: none; 
-                    border-radius: 6px; 
-                    margin: 20px 0;
-                }}
-                .footer {{ text-align: center; margin-top: 20px; font-size: 12px; color: #6b7280; }}
-            </style>
-        </head>
-        <body>
-            <div class="container">
-                <div class="header">
-                    <h1>🎉 Bienvenue sur Sage Dataven</h1>
-                </div>
-                <div class="content">
-                    <h2>Vérifiez votre adresse email</h2>
-                    <p>Merci de vous être inscrit ! Pour activer votre compte, veuillez cliquer sur le bouton ci-dessous :</p>
-                    
-                    <div style="text-align: center;">
-                        <a href="{verification_link}" class="button">Vérifier mon email</a>
-                    </div>
-                    
-                    <p style="margin-top: 30px;">Ou copiez ce lien dans votre navigateur :</p>
-                    <p style="word-break: break-all; background: #e5e7eb; padding: 10px; border-radius: 4px;">
-                        {verification_link}
-                    </p>
-                    
-                    <p style="margin-top: 30px; color: #ef4444;">
-                         Ce lien expire dans <strong>24 heures</strong>
-                    </p>
-                    
-                    <p style="margin-top: 30px; font-size: 14px; color: #6b7280;">
-                        Si vous n'avez pas créé de compte, ignorez cet email.
-                    </p>
-                </div>
-                <div class="footer">
-                    <p>© 2024 Sage Dataven - API de gestion commerciale</p>
-                </div>
-            </div>
-        </body>
-        </html>
+            <!DOCTYPE html>
+            <html lang="fr">
+            <head>
+                <meta charset="UTF-8">
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                <title>Verification de votre email</title>
+            </head>
+            <body style="margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background-color: #f5f5f5;">
+                <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color: #f5f5f5; padding: 40px 20px;">
+                    <tr>
+                        <td align="center">
+                            <table role="presentation" width="600" cellspacing="0" cellpadding="0" style="background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);">
+                                <tr>
+                                    <td style="background-color: #4F46E5; padding: 32px; text-align: center; border-radius: 8px 8px 0 0;">
+                                        <h1 style="color: #ffffff; margin: 0; font-size: 24px; font-weight: 600;">Verification de votre email</h1>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="padding: 40px 32px;">
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 24px;">
+                                            Bienvenue sur Sage Dataven. Pour activer votre compte, veuillez verifier votre adresse email en cliquant sur le bouton ci-dessous.
+                                        </p>
+                                        <table role="presentation" width="100%" cellspacing="0" cellpadding="0">
+                                            <tr>
+                                                <td align="center" style="padding: 24px 0;">
+                                                    <a href="{verification_link}" style="display: inline-block; background-color: #4F46E5; color: #ffffff; text-decoration: none; padding: 14px 32px; border-radius: 6px; font-size: 16px; font-weight: 500;">Verifier mon email</a>
+                                                </td>
+                                            </tr>
+                                        </table>
+                                        <p style="color: #6B7280; font-size: 14px; line-height: 1.6; margin: 24px 0 0;">
+                                            Si le bouton ne fonctionne pas, copiez ce lien dans votre navigateur :
+                                        </p>
+                                        <p style="color: #4F46E5; font-size: 14px; word-break: break-all; background-color: #F3F4F6; padding: 12px; border-radius: 4px; margin: 12px 0 24px;">
+                                            {verification_link}
+                                        </p>
+                                        <p style="color: #EF4444; font-size: 14px; margin: 0;">
+                                            Ce lien expire dans 24 heures.
+                                        </p>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="background-color: #F9FAFB; padding: 24px 32px; border-radius: 0 0 8px 8px; border-top: 1px solid #E5E7EB;">
+                                        <p style="color: #9CA3AF; font-size: 12px; margin: 0; text-align: center;">
+                                            Si vous n'avez pas cree de compte, ignorez cet email.
+                                        </p>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+            </body>
+            </html>
         """
 
-        return AuthEmailService._send_email(
-            email, " Vérifiez votre adresse email - Sage Dataven", html_body
+        return cls._send_email(
+            email, "Verifiez votre adresse email - Sage Dataven", html_body
         )
 
-    @staticmethod
-    def send_password_reset_email(email: str, token: str, base_url: str) -> bool:
-        reset_link = f"{base_url}/reset?token={token}"
+    @classmethod
+    def send_password_reset_email(
+        cls, email: str, token: str, frontend_url: str
+    ) -> bool:
+        reset_link = f"{frontend_url}/reset-password?token={token}"
 
         html_body = f"""
-        <!DOCTYPE html>
-        <html>
-        <head>
-            <style>
-                body {{ font-family: Arial, sans-serif; line-height: 1.6; color: #333; }}
-                .container {{ max-width: 600px; margin: 0 auto; padding: 20px; }}
-                .header {{ background: #EF4444; color: white; padding: 20px; text-align: center; border-radius: 8px 8px 0 0; }}
-                .content {{ background: #f9fafb; padding: 30px; border-radius: 0 0 8px 8px; }}
-                .button {{ 
-                    display: inline-block; 
-                    background: #EF4444; 
-                    color: white; 
-                    padding: 12px 30px; 
-                    text-decoration: none; 
-                    border-radius: 6px; 
-                    margin: 20px 0;
-                }}
-                .footer {{ text-align: center; margin-top: 20px; font-size: 12px; color: #6b7280; }}
-            </style>
-        </head>
-        <body>
-            <div class="container">
-                <div class="header">
-                    <h1> Réinitialisation de mot de passe</h1>
-                </div>
-                <div class="content">
-                    <h2>Demande de réinitialisation</h2>
-                    <p>Vous avez demandé à réinitialiser votre mot de passe. Cliquez sur le bouton ci-dessous pour créer un nouveau mot de passe :</p>
-                    
-                    <div style="text-align: center;">
-                        <a href="{reset_link}" class="button">Réinitialiser mon mot de passe</a>
-                    </div>
-                    
-                    <p style="margin-top: 30px;">Ou copiez ce lien dans votre navigateur :</p>
-                    <p style="word-break: break-all; background: #e5e7eb; padding: 10px; border-radius: 4px;">
-                        {reset_link}
-                    </p>
-                    
-                    <p style="margin-top: 30px; color: #ef4444;">
-                         Ce lien expire dans <strong>1 heure</strong>
-                    </p>
-                    
-                    <p style="margin-top: 30px; font-size: 14px; color: #6b7280;">
-                        Si vous n'avez pas demandé cette réinitialisation, ignorez cet email. Votre mot de passe actuel reste inchangé.
-                    </p>
-                </div>
-                <div class="footer">
-                    <p>© 2024 Sage Dataven - API de gestion commerciale</p>
-                </div>
-            </div>
-        </body>
-        </html>
+            <!DOCTYPE html>
+            <html lang="fr">
+            <head>
+                <meta charset="UTF-8">
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                <title>Reinitialisation de mot de passe</title>
+            </head>
+            <body style="margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background-color: #f5f5f5;">
+                <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color: #f5f5f5; padding: 40px 20px;">
+                    <tr>
+                        <td align="center">
+                            <table role="presentation" width="600" cellspacing="0" cellpadding="0" style="background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);">
+                                <tr>
+                                    <td style="background-color: #DC2626; padding: 32px; text-align: center; border-radius: 8px 8px 0 0;">
+                                        <h1 style="color: #ffffff; margin: 0; font-size: 24px; font-weight: 600;">Reinitialisation du mot de passe</h1>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="padding: 40px 32px;">
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 24px;">
+                                            Vous avez demande la reinitialisation de votre mot de passe. Cliquez sur le bouton ci-dessous pour creer un nouveau mot de passe.
+                                        </p>
+                                        <table role="presentation" width="100%" cellspacing="0" cellpadding="0">
+                                            <tr>
+                                                <td align="center" style="padding: 24px 0;">
+                                                    <a href="{reset_link}" style="display: inline-block; background-color: #DC2626; color: #ffffff; text-decoration: none; padding: 14px 32px; border-radius: 6px; font-size: 16px; font-weight: 500;">Reinitialiser mon mot de passe</a>
+                                                </td>
+                                            </tr>
+                                        </table>
+                                        <p style="color: #6B7280; font-size: 14px; line-height: 1.6; margin: 24px 0 0;">
+                                            Si le bouton ne fonctionne pas, copiez ce lien :
+                                        </p>
+                                        <p style="color: #DC2626; font-size: 14px; word-break: break-all; background-color: #FEF2F2; padding: 12px; border-radius: 4px; margin: 12px 0 24px;">
+                                            {reset_link}
+                                        </p>
+                                        <p style="color: #EF4444; font-size: 14px; margin: 0;">
+                                            Ce lien expire dans 1 heure.
+                                        </p>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="background-color: #FEF2F2; padding: 24px 32px; border-radius: 0 0 8px 8px; border-top: 1px solid #FECACA;">
+                                        <p style="color: #991B1B; font-size: 12px; margin: 0; text-align: center;">
+                                            Si vous n'avez pas demande cette reinitialisation, ignorez cet email. Votre mot de passe restera inchange.
+                                        </p>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+            </body>
+            </html>
         """
 
-        return AuthEmailService._send_email(
-            email, " Réinitialisation de votre mot de passe - Sage Dataven", html_body
+        return cls._send_email(
+            email, "Reinitialisation de votre mot de passe - Sage Dataven", html_body
         )
 
-    @staticmethod
-    def send_password_changed_notification(email: str) -> bool:
+    @classmethod
+    def send_password_changed_notification(cls, email: str) -> bool:
         html_body = """
-        <!DOCTYPE html>
-        <html>
-        <head>
-            <style>
-                body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
-                .container { max-width: 600px; margin: 0 auto; padding: 20px; }
-                .header { background: #10B981; color: white; padding: 20px; text-align: center; border-radius: 8px 8px 0 0; }
-                .content { background: #f9fafb; padding: 30px; border-radius: 0 0 8px 8px; }
-                .footer { text-align: center; margin-top: 20px; font-size: 12px; color: #6b7280; }
-            </style>
-        </head>
-        <body>
-            <div class="container">
-                <div class="header">
-                    <h1> Mot de passe modifié</h1>
-                </div>
-                <div class="content">
-                    <h2>Votre mot de passe a été changé avec succès</h2>
-                    <p>Ce message confirme que le mot de passe de votre compte Sage Dataven a été modifié.</p>
-                    
-                    <p style="margin-top: 30px; padding: 15px; background: #FEF3C7; border-left: 4px solid #F59E0B; border-radius: 4px;">
-                         Si vous n'êtes pas à l'origine de ce changement, contactez immédiatement notre support.
-                    </p>
-                </div>
-                <div class="footer">
-                    <p>© 2024 Sage Dataven - API de gestion commerciale</p>
-                </div>
-            </div>
-        </body>
-        </html>
+            <!DOCTYPE html>
+            <html lang="fr">
+            <head>
+                <meta charset="UTF-8">
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                <title>Mot de passe modifie</title>
+            </head>
+            <body style="margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background-color: #f5f5f5;">
+                <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color: #f5f5f5; padding: 40px 20px;">
+                    <tr>
+                        <td align="center">
+                            <table role="presentation" width="600" cellspacing="0" cellpadding="0" style="background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);">
+                                <tr>
+                                    <td style="background-color: #059669; padding: 32px; text-align: center; border-radius: 8px 8px 0 0;">
+                                        <h1 style="color: #ffffff; margin: 0; font-size: 24px; font-weight: 600;">Mot de passe modifie</h1>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="padding: 40px 32px;">
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 24px;">
+                                            Votre mot de passe a ete modifie avec succes.
+                                        </p>
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 24px;">
+                                            Si vous n'etes pas a l'origine de ce changement, contactez immediatement notre support.
+                                        </p>
+                                        <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color: #FEF3C7; border-left: 4px solid #F59E0B; border-radius: 4px;">
+                                            <tr>
+                                                <td style="padding: 16px;">
+                                                    <p style="color: #92400E; font-size: 14px; margin: 0;">
+                                                        <strong>Securite :</strong> Toutes vos sessions actives ont ete deconnectees. Vous devrez vous reconnecter sur tous vos appareils.
+                                                    </p>
+                                                </td>
+                                            </tr>
+                                        </table>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="background-color: #F9FAFB; padding: 24px 32px; border-radius: 0 0 8px 8px; border-top: 1px solid #E5E7EB;">
+                                        <p style="color: #9CA3AF; font-size: 12px; margin: 0; text-align: center;">
+                                            Sage Dataven - Notification de securite
+                                        </p>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+            </body>
+            </html>
         """
 
-        return AuthEmailService._send_email(
-            email, " Votre mot de passe a été modifié - Sage Dataven", html_body
+        return cls._send_email(
+            email, "Votre mot de passe a ete modifie - Sage Dataven", html_body
+        )
+
+    @classmethod
+    def send_security_alert(
+        cls, email: str, alert_type: str, details: str, ip_address: Optional[str] = None
+    ) -> bool:
+        ip_info = (
+            f"<p style='color: #6B7280; font-size: 14px;'>Adresse IP : {ip_address}</p>"
+            if ip_address
+            else ""
+        )
+
+        html_body = f"""
+            <!DOCTYPE html>
+            <html lang="fr">
+            <head>
+                <meta charset="UTF-8">
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                <title>Alerte de securite</title>
+            </head>
+            <body style="margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background-color: #f5f5f5;">
+                <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color: #f5f5f5; padding: 40px 20px;">
+                    <tr>
+                        <td align="center">
+                            <table role="presentation" width="600" cellspacing="0" cellpadding="0" style="background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);">
+                                <tr>
+                                    <td style="background-color: #B91C1C; padding: 32px; text-align: center; border-radius: 8px 8px 0 0;">
+                                        <h1 style="color: #ffffff; margin: 0; font-size: 24px; font-weight: 600;">Alerte de securite</h1>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="padding: 40px 32px;">
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 16px;">
+                                            <strong>{alert_type}</strong>
+                                        </p>
+                                        <p style="color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 24px;">
+                                            {details}
+                                        </p>
+                                        {ip_info}
+                                        <p style="color: #6B7280; font-size: 14px; margin: 24px 0 0;">
+                                            Si vous reconnaissez cette activite, vous pouvez ignorer ce message. Sinon, nous vous recommandons de changer votre mot de passe immediatement.
+                                        </p>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td style="background-color: #FEF2F2; padding: 24px 32px; border-radius: 0 0 8px 8px; border-top: 1px solid #FECACA;">
+                                        <p style="color: #991B1B; font-size: 12px; margin: 0; text-align: center;">
+                                            Sage Dataven - Alerte de securite automatique
+                                        </p>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+            </body>
+            </html>
+        """
+
+        return cls._send_email(
+            email, f"Alerte de securite : {alert_type} - Sage Dataven", html_body
         )

services/redis_service.py

@@ -0,0 +1,200 @@
+import redis.asyncio as redis
+from typing import Optional
+import logging
+import json
+
+from config.config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class RedisService:
+    _instance: Optional["RedisService"] = None
+    _client: Optional[redis.Redis] = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    async def connect(self) -> None:
+        if self._client is not None:
+            return
+
+        try:
+            self._client = redis.from_url(
+                settings.redis_url,
+                password=settings.redis_password,
+                encoding="utf-8",
+                decode_responses=True,
+                socket_timeout=5.0,
+                socket_connect_timeout=5.0,
+            )
+
+            await self._client.ping()
+            logger.info("Connexion Redis etablie")
+
+        except Exception as e:
+            logger.error(f"Erreur connexion Redis: {e}")
+            self._client = None
+            raise
+
+    async def disconnect(self) -> None:
+        if self._client:
+            await self._client.close()
+            self._client = None
+            logger.info("Connexion Redis fermee")
+
+    async def is_connected(self) -> bool:
+        if not self._client:
+            return False
+        try:
+            await self._client.ping()
+            return True
+        except Exception:
+            return False
+
+    @property
+    def client(self) -> redis.Redis:
+        if not self._client:
+            raise RuntimeError("Redis non connecte. Appelez connect() d'abord.")
+        return self._client
+
+    async def blacklist_token(self, token_id: str, ttl_seconds: int) -> bool:
+        try:
+            key = f"{settings.token_blacklist_prefix}{token_id}"
+            await self.client.setex(key, ttl_seconds, "1")
+            logger.debug(f"Token {token_id[:8]}... ajoute a la blacklist")
+            return True
+        except Exception as e:
+            logger.error(f"Erreur blacklist token: {e}")
+            return False
+
+    async def is_token_blacklisted(self, token_id: str) -> bool:
+        try:
+            key = f"{settings.token_blacklist_prefix}{token_id}"
+            result = await self.client.exists(key)
+            return result > 0
+        except Exception as e:
+            logger.error(f"Erreur verification blacklist: {e}")
+            return False
+
+    async def blacklist_user_tokens(
+        self, user_id: str, ttl_seconds: int = 86400
+    ) -> bool:
+        try:
+            key = f"{settings.token_blacklist_prefix}user:{user_id}"
+            import time
+
+            await self.client.setex(key, ttl_seconds, str(int(time.time())))
+            logger.info(f"Tokens utilisateur {user_id} invalides")
+            return True
+        except Exception as e:
+            logger.error(f"Erreur invalidation tokens utilisateur: {e}")
+            return False
+
+    async def get_user_token_invalidation_time(self, user_id: str) -> Optional[int]:
+        try:
+            key = f"{settings.token_blacklist_prefix}user:{user_id}"
+            result = await self.client.get(key)
+            return int(result) if result else None
+        except Exception as e:
+            logger.error(f"Erreur lecture invalidation: {e}")
+            return None
+
+    async def increment_rate_limit(self, key: str, window_seconds: int) -> int:
+        try:
+            full_key = f"{settings.rate_limit_prefix}{key}"
+
+            pipe = self.client.pipeline()
+            pipe.incr(full_key)
+            pipe.expire(full_key, window_seconds)
+            results = await pipe.execute()
+
+            return results[0]
+        except Exception as e:
+            logger.error(f"Erreur increment rate limit: {e}")
+            return 0
+
+    async def get_rate_limit_count(self, key: str) -> int:
+        try:
+            full_key = f"{settings.rate_limit_prefix}{key}"
+            result = await self.client.get(full_key)
+            return int(result) if result else 0
+        except Exception as e:
+            logger.error(f"Erreur lecture rate limit: {e}")
+            return 0
+
+    async def reset_rate_limit(self, key: str) -> bool:
+        try:
+            full_key = f"{settings.rate_limit_prefix}{key}"
+            await self.client.delete(full_key)
+            return True
+        except Exception as e:
+            logger.error(f"Erreur reset rate limit: {e}")
+            return False
+
+    async def store_refresh_token_metadata(
+        self, token_id: str, user_id: str, fingerprint_hash: str, ttl_seconds: int
+    ) -> bool:
+        try:
+            key = f"refresh_token:{token_id}"
+            data = json.dumps(
+                {
+                    "user_id": user_id,
+                    "fingerprint_hash": fingerprint_hash,
+                    "used": False,
+                }
+            )
+            await self.client.setex(key, ttl_seconds, data)
+            return True
+        except Exception as e:
+            logger.error(f"Erreur stockage metadata refresh token: {e}")
+            return False
+
+    async def get_refresh_token_metadata(self, token_id: str) -> Optional[dict]:
+        try:
+            key = f"refresh_token:{token_id}"
+            data = await self.client.get(key)
+            return json.loads(data) if data else None
+        except Exception as e:
+            logger.error(f"Erreur lecture metadata refresh token: {e}")
+            return None
+
+    async def mark_refresh_token_used(self, token_id: str) -> bool:
+        try:
+            key = f"refresh_token:{token_id}"
+            data = await self.client.get(key)
+            if not data:
+                return False
+
+            metadata = json.loads(data)
+            metadata["used"] = True
+            metadata["used_at"] = int(__import__("time").time())
+
+            ttl = await self.client.ttl(key)
+            if ttl > 0:
+                await self.client.setex(key, ttl, json.dumps(metadata))
+
+            return True
+        except Exception as e:
+            logger.error(f"Erreur marquage refresh token: {e}")
+            return False
+
+    async def delete_refresh_token(self, token_id: str) -> bool:
+        try:
+            key = f"refresh_token:{token_id}"
+            result = await self.client.delete(key)
+            return result > 0
+        except Exception as e:
+            logger.error(f"Erreur suppression refresh token: {e}")
+            return False
+
+
+redis_service = RedisService()
+
+
+async def get_redis() -> RedisService:
+    if not await redis_service.is_connected():
+        await redis_service.connect()
+    return redis_service

services/sage_gateway.py

@@ -6,10 +6,10 @@ import httpx
 from datetime import datetime
 from typing import Optional, Tuple, List
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select, update, and_
+from sqlalchemy import false, select, update, and_
 import logging
 
-from config import settings
+from config.config import settings
 from database import SageGatewayConfig
 
 logger = logging.getLogger(__name__)
@@ -20,8 +20,6 @@ class SageGatewayService:
         self.session = session
 
     async def create(self, user_id: str, data: dict) -> SageGatewayConfig:
-        """Créer une nouvelle configuration gateway"""
-
         if data.get("is_active"):
             await self._deactivate_all_for_user(user_id)
 
@@ -55,7 +53,6 @@ class SageGatewayService:
                 and_(
                     SageGatewayConfig.id == gateway_id,
                     SageGatewayConfig.user_id == user_id,
-                    SageGatewayConfig.is_deleted,
                 )
             )
         )
@@ -67,7 +64,7 @@ class SageGatewayService:
         query = select(SageGatewayConfig).where(SageGatewayConfig.user_id == user_id)
 
         if not include_deleted:
-            query = query.where(SageGatewayConfig.is_deleted)
+            query = query.where(SageGatewayConfig.is_deleted.is_(false()))
 
         query = query.order_by(
             SageGatewayConfig.is_active.desc(),
@@ -81,8 +78,6 @@ class SageGatewayService:
     async def update(
         self, gateway_id: str, user_id: str, data: dict
     ) -> Optional[SageGatewayConfig]:
-        """Mettre à jour une gateway"""
-
         gateway = await self.get_by_id(gateway_id, user_id)
         if not gateway:
             return None
@@ -131,7 +126,6 @@ class SageGatewayService:
     async def activate(
         self, gateway_id: str, user_id: str
     ) -> Optional[SageGatewayConfig]:
-        """Activer une gateway (désactive les autres)"""
         gateway = await self.get_by_id(gateway_id, user_id)
         if not gateway:
             return None
@@ -167,7 +161,7 @@ class SageGatewayService:
                 and_(
                     SageGatewayConfig.user_id == user_id,
                     SageGatewayConfig.is_active,
-                    SageGatewayConfig.is_deleted,
+                    SageGatewayConfig.is_deleted.is_(false()),
                 )
             )
         )
@@ -277,8 +271,6 @@ class SageGatewayService:
             return {"success": False, "status": "error", "error": str(e)}
 
     async def record_request(self, gateway_id: str, success: bool) -> None:
-        """Enregistrer une requête (succès/échec)"""
-
         if not gateway_id:
             return
 
@@ -297,7 +289,6 @@ class SageGatewayService:
             await self.session.commit()
 
     async def get_stats(self, user_id: str) -> dict:
-        """Statistiques d'utilisation pour un utilisateur"""
         gateways = await self.list_for_user(user_id)
 
         total_requests = sum(g.total_requests for g in gateways)
@@ -323,8 +314,6 @@ class SageGatewayService:
         }
 
     async def _deactivate_all_for_user(self, user_id: str) -> None:
-        """Désactiver toutes les gateways d'un utilisateur"""
-
         await self.session.execute(
             update(SageGatewayConfig)
             .where(SageGatewayConfig.user_id == user_id)
@@ -332,8 +321,6 @@ class SageGatewayService:
         )
 
     async def _unset_default_for_user(self, user_id: str) -> None:
-        """Retirer le flag default de toutes les gateways"""
-
         await self.session.execute(
             update(SageGatewayConfig)
             .where(SageGatewayConfig.user_id == user_id)
@@ -342,8 +329,6 @@ class SageGatewayService:
 
 
 def gateway_response_from_model(gateway: SageGatewayConfig) -> dict:
-    """Convertir un model en réponse API (masque le token)"""
-
     token_preview = (
         f"****{gateway.gateway_token[-4:]}" if gateway.gateway_token else "****"
     )
@@ -380,8 +365,6 @@ def gateway_response_from_model(gateway: SageGatewayConfig) -> dict:
         "description": gateway.description,
         "gateway_url": gateway.gateway_url,
         "token_preview": token_preview,
-        "sage_database": gateway.sage_database,
-        "sage_company": gateway.sage_company,
         "is_active": gateway.is_active,
         "is_default": gateway.is_default,
         "priority": gateway.priority,

services/token_service.py

@@ -0,0 +1,357 @@
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import false, select, and_, or_, delete, true
+from datetime import datetime, timedelta
+from typing import Optional, Tuple, Dict, Any
+import uuid
+import logging
+import time
+
+from config.config import settings
+from database import RefreshToken, User
+from services.redis_service import redis_service
+from security.auth import (
+    create_access_token,
+    create_refresh_token,
+    create_csrf_token,
+    decode_token,
+    hash_token,
+    generate_session_id,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class TokenService:
+    @classmethod
+    async def create_token_pair(
+        cls,
+        session: AsyncSession,
+        user: User,
+        fingerprint_hash: str,
+        device_info: str,
+        ip_address: str,
+    ) -> Tuple[str, str, str, str]:
+        session_id = generate_session_id()
+
+        access_token = create_access_token(
+            data={
+                "sub": user.id,
+                "email": user.email,
+                "role": user.role,
+                "sid": session_id,
+            },
+            fingerprint_hash=fingerprint_hash,
+        )
+
+        refresh_token_jwt, token_id = create_refresh_token(
+            user_id=user.id, fingerprint_hash=fingerprint_hash
+        )
+
+        csrf_token = create_csrf_token(session_id)
+
+        token_record = RefreshToken(
+            id=str(uuid.uuid4()),
+            user_id=user.id,
+            token_hash=hash_token(refresh_token_jwt),
+            token_id=token_id,
+            fingerprint_hash=fingerprint_hash,
+            device_info=device_info[:500] if device_info else None,
+            ip_address=ip_address,
+            expires_at=datetime.now()
+            + timedelta(days=settings.refresh_token_expire_days),
+            created_at=datetime.now(),
+        )
+
+        session.add(token_record)
+        await session.flush()
+
+        await redis_service.store_refresh_token_metadata(
+            token_id=token_id,
+            user_id=user.id,
+            fingerprint_hash=fingerprint_hash,
+            ttl_seconds=settings.refresh_token_expire_days * 24 * 60 * 60,
+        )
+
+        logger.info(f"Token pair cree pour utilisateur {user.email}")
+
+        return access_token, refresh_token_jwt, csrf_token, session_id
+
+    @classmethod
+    async def refresh_tokens(
+        cls,
+        session: AsyncSession,
+        refresh_token: str,
+        fingerprint_hash: str,
+        device_info: str,
+        ip_address: str,
+    ) -> Optional[Tuple[str, str, str, str]]:
+        payload = decode_token(refresh_token, expected_type="refresh")
+        if not payload:
+            logger.warning("Refresh token invalide ou expire")
+            return None
+
+        user_id = payload.get("sub")
+        token_id = payload.get("jti")
+        stored_fingerprint = payload.get("fph")
+
+        if not user_id or not token_id:
+            logger.warning("Refresh token malformed")
+            return None
+
+        if await redis_service.is_token_blacklisted(token_id):
+            logger.warning(f"Refresh token {token_id[:8]}... est blackliste")
+            return None
+
+        token_hash = hash_token(refresh_token)
+        result = await session.execute(
+            select(RefreshToken).where(
+                and_(
+                    RefreshToken.token_hash == token_hash,
+                    RefreshToken.user_id == user_id,
+                    RefreshToken.is_revoked.is_(false()),
+                    RefreshToken.expires_at > datetime.now(),
+                )
+            )
+        )
+        token_record = result.scalar_one_or_none()
+
+        if not token_record:
+            logger.warning(f"Refresh token non trouve en DB pour user {user_id}")
+            await cls._handle_potential_token_theft(session, user_id, token_id)
+            return None
+
+        if settings.refresh_token_rotation_enabled and token_record.is_used:
+            used_at = token_record.used_at
+            if used_at:
+                time_since_use = (datetime.now() - used_at).total_seconds()
+                if time_since_use > settings.refresh_token_reuse_window_seconds:
+                    logger.warning(
+                        f"Reutilisation de refresh token detectee pour user {user_id}"
+                    )
+                    await cls._handle_potential_token_theft(session, user_id, token_id)
+                    return None
+
+        if stored_fingerprint and fingerprint_hash:
+            if stored_fingerprint != fingerprint_hash:
+                logger.warning(f"Fingerprint mismatch pour user {user_id}")
+                return None
+
+        result = await session.execute(
+            select(User).where(and_(User.id == user_id, User.is_active.is_(true())))
+        )
+        user = result.scalar_one_or_none()
+
+        if not user:
+            logger.warning(f"Utilisateur {user_id} introuvable ou inactif")
+            return None
+
+        session_id = generate_session_id()
+
+        new_access_token = create_access_token(
+            data={
+                "sub": user.id,
+                "email": user.email,
+                "role": user.role,
+                "sid": session_id,
+            },
+            fingerprint_hash=fingerprint_hash,
+        )
+
+        new_csrf_token = create_csrf_token(session_id)
+
+        if settings.refresh_token_rotation_enabled:
+            token_record.is_used = True
+            token_record.used_at = datetime.now()
+
+            new_refresh_jwt, new_token_id = create_refresh_token(
+                user_id=user.id, fingerprint_hash=fingerprint_hash
+            )
+
+            new_token_record = RefreshToken(
+                id=str(uuid.uuid4()),
+                user_id=user.id,
+                token_hash=hash_token(new_refresh_jwt),
+                token_id=new_token_id,
+                fingerprint_hash=fingerprint_hash,
+                device_info=device_info[:500] if device_info else None,
+                ip_address=ip_address,
+                expires_at=datetime.now()
+                + timedelta(days=settings.refresh_token_expire_days),
+                created_at=datetime.now(),
+            )
+
+            token_record.replaced_by = new_token_record.id
+
+            session.add(new_token_record)
+
+            await redis_service.mark_refresh_token_used(token_id)
+            await redis_service.store_refresh_token_metadata(
+                token_id=new_token_id,
+                user_id=user.id,
+                fingerprint_hash=fingerprint_hash,
+                ttl_seconds=settings.refresh_token_expire_days * 24 * 60 * 60,
+            )
+
+            logger.info(f"Refresh token rotation pour user {user.email}")
+
+            return new_access_token, new_refresh_jwt, new_csrf_token, session_id
+        else:
+            token_record.last_used_at = datetime.now()
+            return new_access_token, refresh_token, new_csrf_token, session_id
+
+    @classmethod
+    async def revoke_token(
+        cls, session: AsyncSession, refresh_token: str, reason: str = "user_logout"
+    ) -> bool:
+        payload = decode_token(refresh_token, expected_type="refresh")
+        if not payload:
+            return False
+
+        token_id = payload.get("jti")
+        user_id = payload.get("sub")
+        exp = payload.get("exp", 0)
+
+        ttl_seconds = max(0, exp - int(time.time()))
+        await redis_service.blacklist_token(token_id, ttl_seconds)
+
+        token_hash = hash_token(refresh_token)
+        result = await session.execute(
+            select(RefreshToken).where(RefreshToken.token_hash == token_hash)
+        )
+        token_record = result.scalar_one_or_none()
+
+        if token_record:
+            token_record.is_revoked = True
+            token_record.revoked_at = datetime.now()
+            token_record.revoked_reason = reason
+
+        await redis_service.delete_refresh_token(token_id)
+
+        logger.info(f"Token revoque pour user {user_id}: {reason}")
+
+        return True
+
+    @classmethod
+    async def revoke_all_user_tokens(
+        cls, session: AsyncSession, user_id: str, reason: str = "security_action"
+    ) -> int:
+        result = await session.execute(
+            select(RefreshToken).where(
+                and_(
+                    RefreshToken.user_id == user_id,
+                    RefreshToken.is_revoked.is_(false()),
+                )
+            )
+        )
+        tokens = result.scalars().all()
+
+        count = 0
+        for token in tokens:
+            token.is_revoked = True
+            token.revoked_at = datetime.now()
+            token.revoked_reason = reason
+
+            await redis_service.blacklist_token(
+                token.token_id, settings.refresh_token_expire_days * 24 * 60 * 60
+            )
+            await redis_service.delete_refresh_token(token.token_id)
+            count += 1
+
+        await redis_service.blacklist_user_tokens(
+            user_id, settings.refresh_token_expire_days * 24 * 60 * 60
+        )
+
+        logger.info(f"{count} tokens revoques pour user {user_id}: {reason}")
+
+        return count
+
+    @classmethod
+    async def _handle_potential_token_theft(
+        cls, session: AsyncSession, user_id: str, token_id: str
+    ) -> None:
+        logger.warning(
+            f"Potentiel vol de token detecte pour user {user_id}, token {token_id[:8]}..."
+        )
+
+        await cls.revoke_all_user_tokens(
+            session, user_id, reason="potential_token_theft"
+        )
+
+    @classmethod
+    async def validate_access_token(
+        cls, token: str, fingerprint_hash: Optional[str] = None
+    ) -> Optional[Dict[str, Any]]:
+        payload = decode_token(token, expected_type="access")
+        if not payload:
+            return None
+
+        token_id = payload.get("jti")
+        if token_id and await redis_service.is_token_blacklisted(token_id):
+            logger.debug(f"Access token {token_id[:8]}... est blackliste")
+            return None
+
+        user_id = payload.get("sub")
+        if user_id:
+            invalidation_time = await redis_service.get_user_token_invalidation_time(
+                user_id
+            )
+            if invalidation_time:
+                token_iat = payload.get("iat", 0)
+                if token_iat < invalidation_time:
+                    logger.debug("Access token emis avant invalidation globale")
+                    return None
+
+        if fingerprint_hash:
+            stored_fingerprint = payload.get("fph")
+            if stored_fingerprint and stored_fingerprint != fingerprint_hash:
+                logger.warning("Fingerprint mismatch sur access token")
+                return None
+
+        return payload
+
+    @classmethod
+    async def cleanup_expired_tokens(cls, session: AsyncSession) -> int:
+        result = await session.execute(
+            delete(RefreshToken).where(
+                or_(
+                    RefreshToken.expires_at < datetime.now(),
+                    and_(
+                        RefreshToken.is_revoked.is_(true()),
+                        RefreshToken.revoked_at < datetime.now() - timedelta(days=7),
+                    ),
+                )
+            )
+        )
+
+        count = result.rowcount
+        logger.info(f"{count} tokens expires nettoyes")
+
+        return count
+
+    @classmethod
+    async def get_user_active_sessions(
+        cls, session: AsyncSession, user_id: str
+    ) -> list:
+        result = await session.execute(
+            select(RefreshToken)
+            .where(
+                and_(
+                    RefreshToken.user_id == user_id,
+                    RefreshToken.is_revoked.is_(false()),
+                    RefreshToken.expires_at > datetime.now(),
+                )
+            )
+            .order_by(RefreshToken.created_at.desc())
+        )
+        tokens = result.scalars().all()
+
+        return [
+            {
+                "id": t.id,
+                "device_info": t.device_info,
+                "ip_address": t.ip_address,
+                "created_at": t.created_at.isoformat(),
+                "last_used_at": t.last_used_at.isoformat() if t.last_used_at else None,
+            }
+            for t in tokens
+        ]

utils/generic_functions.py

@@ -1,5 +1,5 @@
 from typing import Dict
-from config import settings
+from config.config import settings
 import logging
 
 from datetime import datetime
@@ -7,7 +7,7 @@ import uuid
 import requests
 
 from sqlalchemy.ext.asyncio import AsyncSession
-
+from services.email_queue import email_queue
 from data.data import templates_signature_email
 from database import EmailLog, StatutEmail as StatutEmailEnum
 
@@ -22,8 +22,6 @@ async def universign_envoyer(
     doc_data: Dict,
     session: AsyncSession,
 ) -> Dict:
-    from email_queue import email_queue
-
     try:
         api_key = settings.universign_api_key
         api_url = settings.universign_api_url