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from fastapi import APIRouter, Depends, HTTPException, status
from pydantic import BaseModel, Field
from backend.services.token_manager import TokenManager
from backend.api.deps.auth_deps import get_current_user, get_token_manager
router = APIRouter(prefix="/api/v1/auth", tags=["auth"])
# ---------------------------------------------------------------------------
# Pydantic Request / Response Schemas
# ---------------------------------------------------------------------------
class LoginRequest(BaseModel):
username: str = Field(..., example="demo_user")
password: str = Field(..., example="hyperflow2026")
role: Optional[str] = Field("recruiter_evaluator", example="recruiter_evaluator")
scopes: Optional[List[str]] = Field(
default=["orders:read", "orders:write", "inventory:read", "ml:view"],
example=["orders:read", "orders:write", "inventory:read", "ml:view"]
)
class TokenRefreshRequest(BaseModel):
refresh_token: str = Field(..., description="Active Refresh Token")
class LogoutRequest(BaseModel):
refresh_token: Optional[str] = Field(None, description="Optional Refresh Token to revoke alongside Access Token")
class TokenResponse(BaseModel):
status: str = "success"
access_token: str
refresh_token: str
token_type: str = "bearer"
expires_in: int
access_jti: str
refresh_jti: str
message: str = "Dual token pair issued successfully."
# ---------------------------------------------------------------------------
# Auth Endpoints
# ---------------------------------------------------------------------------
@router.post("/login", response_model=TokenResponse)
async def login(
req: LoginRequest,
token_mgr: TokenManager = Depends(get_token_manager)
):
"""
Authenticates user credentials and issues an Enterprise Dual-Token Pair.
Access Token (15 min) + Refresh Token (7 days) with unique JTIs.
"""
# Demo validation: accept any user or demo credentials
if not req.username or not req.password:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Username and password are required."
)
pair = token_mgr.issue_token_pair(
sub=req.username,
role=req.role or "user",
scopes=req.scopes
)
return TokenResponse(
status="success",
access_token=pair["access_token"],
refresh_token=pair["refresh_token"],
token_type="bearer",
expires_in=pair["expires_in"],
access_jti=pair["access_jti"],
refresh_jti=pair["refresh_jti"],
message=f"Enterprise dual token pair issued for {req.username}."
)
@router.post("/refresh", response_model=TokenResponse)
async def refresh_tokens(
req: TokenRefreshRequest,
token_mgr: TokenManager = Depends(get_token_manager)
):
"""
Refresh Token Rotation endpoint.
Validates refresh token JTI, revokes old refresh token in Redis,
and issues a brand new Access + Refresh token pair.
"""
try:
payload = token_mgr.verify_refresh_token(req.refresh_token)
except ValueError as e:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=f"Refresh failed: {str(e)}"
)
sub = payload["sub"]
role = payload.get("role", "user")
old_refresh_jti = payload["jti"]
old_refresh_exp = payload["exp"]
# Revoke old refresh token JTI in Redis (Token Rotation Security)
token_mgr.revoke_jti(old_refresh_jti, old_refresh_exp)
# Issue fresh token pair
pair = token_mgr.issue_token_pair(
sub=sub,
role=role,
scopes=["orders:read", "orders:write", "inventory:read", "ml:view"]
)
return TokenResponse(
status="success",
access_token=pair["access_token"],
refresh_token=pair["refresh_token"],
token_type="bearer",
expires_in=pair["expires_in"],
access_jti=pair["access_jti"],
refresh_jti=pair["refresh_jti"],
message="Token pair successfully rotated."
)
@router.post("/logout")
async def logout(
req: LogoutRequest,
current_user: dict = Depends(get_current_user),
token_mgr: TokenManager = Depends(get_token_manager)
):
"""
Logs out user by adding current Access Token JTI (and optional Refresh Token JTI)
to the Redis JTI Revocation Blacklist with TTL.
"""
access_jti = current_user.get("jti")
access_exp = current_user.get("exp")
if access_jti and access_exp:
token_mgr.revoke_jti(access_jti, access_exp)
revoked_refresh = False
if req.refresh_token:
try:
refresh_payload = token_mgr.decode_token(req.refresh_token)
ref_jti = refresh_payload.get("jti")
ref_exp = refresh_payload.get("exp")
if ref_jti and ref_exp:
token_mgr.revoke_jti(ref_jti, ref_exp)
revoked_refresh = True
except ValueError:
pass
return {
"status": "success",
"message": f"Successfully revoked access token (JTI: {access_jti}).",
"access_jti_revoked": access_jti,
"refresh_jti_revoked": revoked_refresh
}
@router.post("/logout-all")
async def logout_all(
current_user: dict = Depends(get_current_user),
token_mgr: TokenManager = Depends(get_token_manager)
):
"""
Mass Revocation (Logout All Sessions).
Blacklists all active JTIs registered for the authenticated user ID in Redis.
"""
sub = current_user["sub"]
count = token_mgr.revoke_all_user_jtis(sub)
return {
"status": "success",
"message": f"Mass revocation completed for user '{sub}'.",
"revoked_sessions_count": count
}
@router.get("/me")
async def get_my_profile(current_user: dict = Depends(get_current_user)):
"""Authenticated user profile endpoint verified against Redis JTI blacklist."""
return {
"status": "success",
"user": {
"sub": current_user["sub"],
"role": current_user.get("role"),
"scopes": current_user.get("scopes", []),
"token_jti": current_user.get("jti"),
"token_exp": current_user.get("exp"),
"issued_at": current_user.get("iat")
}
}
@router.get("/jti-status/{jti}")
async def get_jti_status(
jti: str,
token_mgr: TokenManager = Depends(get_token_manager)
):
"""Inspection endpoint for monitoring JTI revocation state and remaining TTL in Redis."""
status_info = token_mgr.get_jti_status(jti)
return {
"status": "success",
"revocation_details": status_info
}
# Retain legacy demo login endpoint for backward compatibility
@router.post("/demo")
async def demo_login(token_mgr: TokenManager = Depends(get_token_manager)):
pair = token_mgr.issue_token_pair(
sub="demo_user",
role="recruiter_evaluator",
scopes=["orders:read", "orders:write", "inventory:read", "ml:view"]
)
return {
"status": "success",
"token": pair["access_token"],
"access_token": pair["access_token"],
"refresh_token": pair["refresh_token"],
"access_jti": pair["access_jti"],
"refresh_jti": pair["refresh_jti"],
"message": "Enterprise dual token demo access granted."
}
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