217 lines
6.9 KiB
Python
217 lines
6.9 KiB
Python
"""YakPanel - SSL/Domains API - Let's Encrypt via certbot"""
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import os
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import shutil
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import subprocess
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import sys
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from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from pydantic import BaseModel
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from app.core.database import get_db
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from app.core.config import get_runtime_config
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from app.core.utils import environment_with_system_path
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from app.api.auth import get_current_user
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from app.models.user import User
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from app.models.site import Site, Domain
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from app.services.site_service import regenerate_site_vhost
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router = APIRouter(prefix="/ssl", tags=["ssl"])
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_CERTBOT_PATH_CANDIDATES = (
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"/usr/bin/certbot",
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"/usr/local/bin/certbot",
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"/snap/bin/certbot",
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)
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def _certbot_command() -> list[str] | None:
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"""Resolve argv prefix to run certbot: [binary] or [python, -m, certbot]."""
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env = environment_with_system_path()
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path_var = env.get("PATH", "")
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exe = getattr(sys, "executable", None) or ""
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if exe and os.path.isfile(exe):
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try:
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r = subprocess.run(
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[exe, "-m", "certbot", "--version"],
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capture_output=True,
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text=True,
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timeout=20,
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env=env,
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)
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if r.returncode == 0:
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return [exe, "-m", "certbot"]
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except (FileNotFoundError, OSError, subprocess.TimeoutExpired):
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pass
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tried: list[str] = []
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w = shutil.which("certbot", path=path_var)
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if w and os.path.isfile(w):
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tried.append(w)
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for p in _CERTBOT_PATH_CANDIDATES:
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if p not in tried and os.path.isfile(p):
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tried.append(p)
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for exe in tried:
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try:
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r = subprocess.run(
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[exe, "--version"],
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capture_output=True,
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text=True,
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timeout=15,
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env=env,
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)
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if r.returncode == 0:
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return [exe]
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except (FileNotFoundError, OSError, subprocess.TimeoutExpired):
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continue
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for py_name in ("python3", "python"):
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py = shutil.which(py_name, path=path_var)
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if not py or not os.path.isfile(py):
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continue
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try:
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r = subprocess.run(
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[py, "-m", "certbot", "--version"],
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capture_output=True,
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text=True,
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timeout=20,
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env=env,
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)
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if r.returncode == 0:
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return [py, "-m", "certbot"]
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except (FileNotFoundError, OSError, subprocess.TimeoutExpired):
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continue
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return None
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def _certbot_missing_message() -> str:
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return (
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"certbot is not installed or not reachable from the panel process. "
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"On the server, run one of: apt install certbot | dnf install certbot | yum install certbot | snap install certbot. "
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"Alternatively: pip install certbot (panel can use python3 -m certbot). "
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"If certbot is already installed, ensure /usr/bin is on PATH for the YakPanel service."
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)
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@router.get("/domains")
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async def ssl_domains(
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List all domains from sites with site path for certbot webroot"""
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result = await db.execute(
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select(Domain, Site).join(Site, Domain.pid == Site.id).order_by(Domain.name)
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)
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rows = result.all()
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return [
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{
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"id": d.id,
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"name": d.name,
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"port": d.port,
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"site_id": s.id,
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"site_name": s.name,
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"site_path": s.path,
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}
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for d, s in rows
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]
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class RequestCertRequest(BaseModel):
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domain: str
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webroot: str
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email: str
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@router.post("/request")
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async def ssl_request_cert(
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body: RequestCertRequest,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Request Let's Encrypt certificate via certbot (webroot challenge)."""
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if not body.domain or not body.webroot or not body.email:
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raise HTTPException(status_code=400, detail="domain, webroot and email required")
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if ".." in body.domain or ".." in body.webroot:
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raise HTTPException(status_code=400, detail="Invalid path")
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cfg = get_runtime_config()
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allowed = [os.path.abspath(cfg["www_root"]), os.path.abspath(cfg["setup_path"])]
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webroot_abs = os.path.abspath(body.webroot)
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if not any(webroot_abs.startswith(a + os.sep) or webroot_abs == a for a in allowed):
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raise HTTPException(status_code=400, detail="Webroot must be under www_root or setup_path")
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dom = body.domain.split(":")[0].strip()
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prefix = _certbot_command()
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if not prefix:
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raise HTTPException(status_code=500, detail=_certbot_missing_message())
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cmd = prefix + [
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"certonly",
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"--webroot",
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"-w",
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body.webroot,
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"-d",
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dom,
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"--non-interactive",
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"--agree-tos",
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"--email",
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body.email,
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"--preferred-challenges",
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"http",
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"--no-eff-email",
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]
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env = environment_with_system_path()
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try:
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proc = subprocess.run(
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cmd,
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capture_output=True,
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text=True,
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timeout=180,
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env=env,
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)
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except FileNotFoundError:
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raise HTTPException(status_code=500, detail=_certbot_missing_message()) from None
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except subprocess.TimeoutExpired:
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raise HTTPException(status_code=500, detail="certbot timed out (180s)") from None
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if proc.returncode != 0:
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msg = (proc.stderr or proc.stdout or "").strip() or f"certbot exited with code {proc.returncode}"
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raise HTTPException(status_code=500, detail=msg[:8000])
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result = await db.execute(select(Domain).where(Domain.name == dom).limit(1))
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row = result.scalar_one_or_none()
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if row:
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regen = await regenerate_site_vhost(db, row.pid)
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if not regen.get("status"):
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return {
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"status": True,
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"msg": "Certificate issued but nginx vhost update failed: " + str(regen.get("msg", "")),
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"output": (proc.stdout or "")[-2000:],
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}
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return {
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"status": True,
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"msg": "Certificate issued and nginx updated",
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"output": (proc.stdout or "")[-2000:],
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}
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@router.get("/certificates")
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async def ssl_list_certificates(current_user: User = Depends(get_current_user)):
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"""List existing Let's Encrypt certificates"""
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live_dir = "/etc/letsencrypt/live"
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if not os.path.isdir(live_dir):
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return {"certificates": []}
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certs = []
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for name in os.listdir(live_dir):
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if name.startswith("."):
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continue
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path = os.path.join(live_dir, name)
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if os.path.isdir(path) and os.path.isfile(os.path.join(path, "fullchain.pem")):
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certs.append({"name": name, "path": path})
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return {"certificates": sorted(certs, key=lambda x: x["name"])}
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