From 691aa744a0398f185b3ca98a36fbd83806c7786c Mon Sep 17 00:00:00 2001
From: Parker <contact@pkrm.dev>
Date: Sun, 10 Nov 2024 16:36:16 -0600
Subject: TOO MUCH STUFF

---
 api/main.py | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 api/main.py

(limited to 'api/main.py')

diff --git a/api/main.py b/api/main.py
new file mode 100644
index 0000000..c8c1296
--- /dev/null
+++ b/api/main.py
@@ -0,0 +1,93 @@
+from fastapi import FastAPI, Depends, Request, Path
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse, RedirectResponse
+from api.routes.auth_routes import router as auth_router
+from api.routes.links_routes import router as links_router
+from api.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 api.util.db_dependency import get_db
+from api.util.log import log
+from models import Link
+
+
+app = FastAPI(
+    title="LinkLogger API",
+    version="2.0",
+    summary="Public API for a combined link shortener and IP logger",
+    license_info={
+        "name": "The Unlicense",
+        "identifier": "Unlicense",
+        "url": "https://unlicense.org",
+    },
+)
+
+origins = [
+    "http://localhost:3000",
+    "http://127.0.0.1:3000",
+    "localhost:3000",
+    "127.0.0.1:3000",
+    # f"{CUSTOM_DOMAIN}"
+]
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 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("/c/{link}")
+async def log_redirect(
+    link: Annotated[str, Path(title="Redirect link")],
+    request: Request,
+    db=Depends(get_db),
+):
+    link = link.upper()
+    # Links must be 5 characters long
+    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:
+        # Get the IP and log the request
+        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):
+    # If the request is from /api, return a JSON response
+    if request.url.path.startswith("/api"):
+        return JSONResponse(
+            status_code=404,
+            content={"message": "Resource not found"},
+        )
+    # Otherwise, redirect to the login page
+    return RedirectResponse(url="/login")
-- 
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