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@@ -0,0 +1,69 @@
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+import os
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+import shutil
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+from fastapi import FastAPI, Request, File, UploadFile, Form
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+from fastapi.responses import HTMLResponse, RedirectResponse
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+from fastapi.templating import Jinja2Templates
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+from fastapi.staticfiles import StaticFiles
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+
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+# =====================================================================
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+# MODIFICATION: ROOT PATH FOR NGINX
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+# Why: When Nginx routes traffic from yourdomain.com/patch-manager/
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+# to this sidecar, FastAPI needs to know its "base" URL is no longer "/".
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+# If we don't set this, the app will try to load CSS and submit forms
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+# to the wrong root URL, resulting in 404 errors.
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+# =====================================================================
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+app = FastAPI(root_path="/patch-manager")
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+
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+app.mount("/static", StaticFiles(directory="static"), name="static")
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+templates = Jinja2Templates(directory="templates")
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+
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+OVERLAY_DIR = "/srv"
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+
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+@app.get("/", response_class=HTMLResponse)
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+async def index(request: Request):
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+ files = []
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+ if os.path.exists(OVERLAY_DIR):
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+ for root, dirs, filenames in os.walk(OVERLAY_DIR):
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+ for filename in filenames:
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+ rel_path = os.path.relpath(os.path.join(root, filename), OVERLAY_DIR)
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+ files.append(rel_path)
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+ return templates.TemplateResponse("index.html", {"request": request, "files": sorted(files)})
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+
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+@app.post("/upload")
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+async def upload_file(file: UploadFile = File(...), target_path: str = Form("")):
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+ save_dir = os.path.join(OVERLAY_DIR, target_path.strip("/"))
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+ os.makedirs(save_dir, exist_ok=True)
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+ file_location = os.path.join(save_dir, file.filename)
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+ with open(file_location, "wb+") as file_object:
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+ shutil.copyfileobj(file.file, file_object)
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+
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+ # Notice we redirect to "/" here. Because we set root_path="/patch-manager",
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+ # FastAPI automatically translates this redirect to "/patch-manager/"!
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+ return RedirectResponse(url="/", status_code=303)
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+
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+@app.post("/delete")
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+async def delete_file(filepath: str = Form(...)):
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+ target = os.path.join(OVERLAY_DIR, filepath)
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+ if os.path.exists(target):
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+ os.remove(target)
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+ target_dir = os.path.dirname(target)
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+ if not os.listdir(target_dir) and target_dir != OVERLAY_DIR:
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+ os.rmdir(target_dir)
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+ return RedirectResponse(url="/", status_code=303)
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+
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+@app.get("/edit", response_class=HTMLResponse)
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+async def edit_file(request: Request, filepath: str):
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+ target = os.path.join(OVERLAY_DIR, filepath)
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+ content = ""
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+ if os.path.exists(target):
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+ with open(target, "r", encoding="utf-8", errors="ignore") as f:
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+ content = f.read()
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+ return templates.TemplateResponse("edit.html", {"request": request, "filepath": filepath, "content": content})
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+
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+@app.post("/edit")
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+async def save_file(filepath: str = Form(...), content: str = Form(...)):
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+ target = os.path.join(OVERLAY_DIR, filepath)
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+ if os.path.exists(target):
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+ with open(target, "w", encoding="utf-8") as f:
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+ f.write(content)
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+ return RedirectResponse(url="/", status_code=303)
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