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from fastapi import FastAPI, Depends, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import RedirectResponse, JSONResponse
from fastapi.templating import Jinja2Templates
from app.routes.auth_routes import router as auth_router
from app.routes.links_routes import router as links_router
from app.routes.user_routes import router as user_router
from typing import Annotated
from fastapi.exceptions import HTTPException
from starlette.status import HTTP_404_NOT_FOUND
from app.util.authentication import get_current_user_from_cookie
from app.schemas.auth_schemas import User
app = FastAPI(
title="LinkLogger API",
version="1.0",
summary="Public API for a combined link shortener and IP logger",
license_info={
"name": "The Unlicense",
"identifier": "Unlicense",
"url": "https://unlicense.org",
},
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_methods=["*"],
allow_headers=["*"],
allow_credentials=True,
)
templates = Jinja2Templates(directory="app/templates")
# Import routes
app.include_router(auth_router, prefix="/api")
app.include_router(links_router, prefix="/api")
app.include_router(user_router, prefix="/api")
@app.get("/login")
async def login(request: Request):
return templates.TemplateResponse("login.html", {"request": request})
@app.get("/signup")
async def signup(request: Request):
return templates.TemplateResponse("signup.html", {"request": request})
@app.get("/dashboard")
async def dashboard(
response: Annotated[
User, RedirectResponse, Depends(get_current_user_from_cookie)
],
request: Request,
):
if isinstance(response, RedirectResponse):
return response
return templates.TemplateResponse(
"dashboard.html", {"request": request, "user": response.username}
)
# @app.get("/{link}")
# async def log_redirect(
# link: Annotated[str, Path(title="Redirect link")],
# request: Request,
# db=Depends(get_db),
# ):
# link = link.upper()
# # If `link` is not exactly 5 characters, return redirect to base url
# if len(link) != 5:
# return RedirectResponse(url="/login")
# # Make sure the link exists in the database
# link_record: Link = db.query(Link).filter(Link.link == link).first()
# if not link_record:
# db.close()
# return RedirectResponse(url="/login")
# else:
# # Log the visit
# if request.headers.get("X-Real-IP"):
# ip = request.headers.get("X-Real-IP").split(",")[0]
# else:
# ip = request.client.host
# user_agent = request.headers.get("User-Agent")
# log(link, ip, user_agent)
# db.close()
# return RedirectResponse(url=link_record.redirect_link)
# Redirect /api -> /api/docs
@app.get("/api")
async def redirect_to_docs():
return RedirectResponse(url="/docs")
# Custom handler for 404 errors
@app.exception_handler(HTTP_404_NOT_FOUND)
async def custom_404_handler(request: Request, exc: HTTPException):
return RedirectResponse(url="/login")
@app.exception_handler(HTTPException)
async def http_exception_handler(request, exc):
return JSONResponse(
status_code=exc.status_code,
content={"detail": f"{exc.detail}"},
)
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