mirror of
https://github.com/Alexander-D-Karpov/akarpov
synced 2024-09-21 08:28:47 +03:00
81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
import os
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from typing import Annotated
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import django
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from django.conf import settings as django_settings
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from fastapi import Cookie, Depends, FastAPI, Header
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from fastapi.responses import HTMLResponse, RedirectResponse
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from sqlalchemy.orm import Session
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from starlette.requests import Request
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from redirect.db.curd import LinkNotFoundException, get_link_by_slug
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from redirect.db.dependency import get_db
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from redirect.settings import settings
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
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django.setup()
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app = FastAPI()
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from akarpov.tools.shortener.tasks import ( # noqa: This has to be imported strictly AFTER django setup
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save_view_meta,
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)
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settings.relative_base = django_settings.SHORTENER_REDIRECT_TO
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@app.exception_handler(LinkNotFoundException)
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async def unicorn_exception_handler(request: Request, exc: LinkNotFoundException):
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return HTMLResponse(
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status_code=404,
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# language=HTML
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content="""
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<html lang="en">
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<head>
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<title>Unknown Link</title>
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<style>
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h1 {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", ui-system, sans-serif;
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font-weight: bold;
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font-size: medium;
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text-align: center;
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}
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</style>
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</head>
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<body>
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<h1>Such link doesn't exist or has been revoked</h1>
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</body>
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</html>
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""",
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)
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@app.get("/{slug}")
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def redirect(
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slug: str,
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request: Request,
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db: Session = Depends(get_db),
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user_agent: Annotated[str | None, Header()] = None,
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sessionid: Annotated[str | None, Cookie()] = None,
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) -> RedirectResponse:
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"""Main route that redirects to a page based on the slug."""
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if "+" in slug:
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return RedirectResponse(url=f'/tools/shortener/p/{slug.replace("+", "")}')
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link_id, link_target = get_link_by_slug(db, slug)
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save_view_meta.apply_async(
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kwargs={
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"pk": link_id,
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"ip": request.client.host,
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"user_agent": user_agent,
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"user_id": sessionid,
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},
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)
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return RedirectResponse(
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url=(settings.relative_base + link_target)
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if link_target.startswith("/")
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else link_target
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)
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