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Mobile Authentication Routes
Provides mobile-specific authentication endpoints:
- Mobile login with device registration
- Biometric authentication registration
- Mobile token refresh
- Device management
"""
import logging
from datetime import datetime
from typing import Any, Dict, Optional
from fastapi import Depends, HTTPException, Request, status
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from pydantic import BaseModel
from sqlalchemy.orm import Session
from core.auth import (
authenticate_mobile_user,
create_access_token,
create_mobile_token,
get_current_user,
get_mobile_device,
verify_biometric_signature,
verify_password,
)
from core.base_routes import BaseAPIRouter
from core.database import get_db
from core.models import MobileDevice, User
logger = logging.getLogger(__name__)
router = BaseAPIRouter(prefix="/api/auth", tags=["Authentication"])
# ============================================================================
# Request/Response Models
# ============================================================================
class MobileLoginRequest(BaseModel):
email: str
password: str
device_token: str
platform: str # ios, android
device_info: Optional[Dict[str, Any]] = None
class MobileLoginResponse(BaseModel):
access_token: str
refresh_token: str
expires_at: str
token_type: str
user: Dict[str, Any]
class BiometricRegisterRequest(BaseModel):
public_key: str
device_token: str
platform: str
class BiometricRegisterResponse(BaseModel):
success: bool
challenge: str
message: str
class BiometricAuthRequest(BaseModel):
device_id: str
signature: str
challenge: str
class BiometricAuthResponse(BaseModel):
success: bool
access_token: Optional[str] = None
refresh_token: Optional[str] = None
message: str
class RefreshTokenRequest(BaseModel):
refresh_token: str
class DeviceInfoResponse(BaseModel):
device_id: str
platform: str
status: str
notification_enabled: bool
last_active: str
created_at: str
# ============================================================================
# Mobile Authentication Routes
# ============================================================================
@router.post("/mobile/login", response_model=MobileLoginResponse)
async def mobile_login(
request: MobileLoginRequest,
db: Session = Depends(get_db)
):
"""
Mobile login with automatic device registration.
Args:
request: Login credentials and device information
db: Database session
Returns:
Access token, refresh token, and user information
Raises:
401: Invalid credentials
400: Invalid request data
"""
try:
# Authenticate user
result = await authenticate_mobile_user(
email=request.email,
password=request.password,
device_token=request.device_token,
platform=request.platform,
db=db
)
if not result:
raise router.validation_error(
"credentials",
"Invalid email or password"
)
# Update device info if provided
if request.device_info and result.get("user"):
user_id = result["user"]["id"]
device = db.query(MobileDevice).filter(
MobileDevice.device_token == request.device_token
).first()
if device:
device.device_info = request.device_info
device.last_active = datetime.utcnow()
db.commit()
logger.info(f"Mobile login successful for {request.email}")
return MobileLoginResponse(**result)
except HTTPException:
raise
except Exception as e:
logger.error(f"Mobile login error: {e}")
raise router.internal_error(f"Login failed: {str(e)}")
@router.post("/mobile/biometric/register", response_model=BiometricRegisterResponse)
async def register_biometric(
request: BiometricRegisterRequest,
current_user: User = Depends(get_current_user),
db: Session = Depends(get_db)
):
"""
Register device for biometric authentication (Face ID, Touch ID).
Args:
request: Biometric registration data
current_user: Authenticated user
db: Database session
Returns:
Challenge string for device to sign
Raises:
400: Invalid request
404: Device not found
"""
try:
# Find device by token
device = db.query(MobileDevice).filter(
MobileDevice.device_token == request.device_token,
MobileDevice.user_id == str(current_user.id)
).first()
if not device:
raise router.not_found_error("Device", request.device_token)
# Generate challenge
import secrets
challenge = secrets.token_urlsafe(32)
# Store public key (in production, this should be encrypted)
# For now, we'll store it in device_info
device_info = device.device_info or {}
device_info["biometric_public_key"] = request.public_key
device_info["biometric_challenge"] = challenge
device_info["biometric_enabled"] = False # Will be enabled after first successful auth
device.device_info = device_info
device.last_active = datetime.utcnow()
db.commit()
logger.info(f"Biometric registration initiated for device {device.id}")
return BiometricRegisterResponse(
success=True,
challenge=challenge,
message="Biometric registration initiated. Please sign the challenge."
)
except HTTPException:
raise
except Exception as e:
logger.error(f"Biometric registration error: {e}")
raise router.internal_error(f"Registration failed: {str(e)}")
@router.post("/mobile/biometric/authenticate", response_model=BiometricAuthResponse)
async def authenticate_with_biometric(
request: BiometricAuthRequest,
db: Session = Depends(get_db)
):
"""
Authenticate using biometric signature.
Args:
request: Biometric authentication data
db: Database session
Returns:
Access tokens if authentication successful
Raises:
401: Invalid signature
404: Device not found
"""
try:
# Get device
device = get_mobile_device(request.device_id, request.signature, db)
if not device:
# Try to get device by ID
device = db.query(MobileDevice).filter(
MobileDevice.id == request.device_id
).first()
if not device:
raise router.not_found_error("Device", request.device_id)
# Get stored public key and challenge
device_info = device.device_info or {}
public_key = device_info.get("biometric_public_key")
stored_challenge = device_info.get("biometric_challenge")
if not public_key:
raise router.validation_error(
"biometric",
"Biometric not registered for this device"
)
# Verify signature
if not verify_biometric_signature(request.signature, public_key, request.challenge):
logger.warning(f"Biometric authentication failed for device {device.id}")
return BiometricAuthResponse(
success=False,
message="Invalid signature"
)
# Signature is valid, get user
user = db.query(User).filter(User.id == device.user_id).first()
if not user:
raise router.not_found_error("User", device.user_id)
# Generate tokens
tokens = create_mobile_token(user, device.id)
# Mark biometric as enabled
device_info["biometric_enabled"] = True
device_info["last_biometric_auth"] = datetime.utcnow().isoformat()
device.device_info = device_info
device.last_active = datetime.utcnow()
db.commit()
logger.info(f"Biometric authentication successful for user {user.email}")
return BiometricAuthResponse(
success=True,
access_token=tokens["access_token"],
refresh_token=tokens["refresh_token"],
message="Authentication successful"
)
except HTTPException:
raise
except Exception as e:
logger.error(f"Biometric authentication error: {e}")
raise router.internal_error(f"Authentication failed: {str(e)}")
@router.post("/mobile/refresh")
async def refresh_mobile_token(
request: RefreshTokenRequest,
db: Session = Depends(get_db)
):
"""
Refresh mobile access token using refresh token.
Args:
request: Refresh token
db: Database session
Returns:
New access and refresh tokens
Raises:
401: Invalid refresh token
"""
try:
from jose import JWTError, jwt
# Decode refresh token
try:
payload = jwt.decode(
request.refresh_token,
router.auth_module.SECRET_KEY if hasattr(router, 'auth_module') else os.getenv("SECRET_KEY"),
algorithms=["HS256"]
)
except JWTError:
raise router.validation_error("token", "Invalid refresh token")
user_id = payload.get("sub")
token_type = payload.get("type")
device_id = payload.get("device_id")
if not user_id or token_type != "refresh":
raise router.validation_error("token", "Invalid refresh token")
# Get user
user = db.query(User).filter(User.id == user_id).first()
if not user:
raise router.not_found_error("User", user_id)
# Verify device exists and is active
device = get_mobile_device(device_id, user_id, db)
if not device:
raise router.validation_error("device", "Device not found or inactive")
# Generate new tokens
tokens = create_mobile_token(user, device_id)
logger.info(f"Token refresh successful for user {user.email}")
return tokens
except HTTPException:
raise
except Exception as e:
logger.error(f"Token refresh error: {e}")
raise router.internal_error(f"Refresh failed: {str(e)}")
@router.get("/mobile/device", response_model=DeviceInfoResponse)
async def get_mobile_device_info(
device_id: str,
current_user: User = Depends(get_current_user),
db: Session = Depends(get_db)
):
"""
Get mobile device information.
Args:
device_id: Device ID
current_user: Authenticated user
db: Database session
Returns:
Device information
Raises:
404: Device not found
"""
try:
device = get_mobile_device(device_id, str(current_user.id), db)
if not device:
raise router.not_found_error("Device", device_id)
return DeviceInfoResponse(
device_id=device.id,
platform=device.platform,
status=device.status,
notification_enabled=device.notification_enabled,
last_active=device.last_active.isoformat(),
created_at=device.created_at.isoformat()
)
except HTTPException:
raise
except Exception as e:
logger.error(f"Get device info error: {e}")
raise router.internal_error(f"Failed to get device info: {str(e)}")
@router.delete("/mobile/device")
async def delete_mobile_device(
device_id: str,
current_user: User = Depends(get_current_user),
db: Session = Depends(get_db)
):
"""
Unregister mobile device.
Args:
device_id: Device ID
current_user: Authenticated user
db: Database session
Returns:
Success message
"""
try:
device = get_mobile_device(device_id, str(current_user.id), db)
if not device:
raise router.not_found_error("Device", device_id)
# Mark as inactive instead of deleting
device.status = "inactive"
device.notification_enabled = False
device.last_active = datetime.utcnow()
db.commit()
logger.info(f"Device {device_id} unregistered by user {current_user.email}")
return router.success_response(message="Device unregistered successfully")
except HTTPException:
raise
except Exception as e:
logger.error(f"Delete device error: {e}")
raise router.internal_error(f"Failed to unregister device: {str(e)}")
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