custom_components/bahmcloud_store/providers.py aktualisiert

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2026-01-15 12:54:13 +00:00
parent 106872063a
commit 692f0b47da

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@@ -1,378 +1,242 @@
from __future__ import annotations
import logging
import re
import xml.etree.ElementTree as ET
from dataclasses import dataclass
from urllib.parse import quote_plus, urlparse
from dataclasses import asdict
from pathlib import Path
from typing import Any, TYPE_CHECKING
from homeassistant.core import HomeAssistant
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from aiohttp import web
from homeassistant.components.http import HomeAssistantView
from .providers import fetch_readme_markdown_from_repo
if TYPE_CHECKING:
from .core import BCSCore # typing only
_LOGGER = logging.getLogger(__name__)
UA = "BahmcloudStore (Home Assistant)"
@dataclass
class RepoInfo:
owner: str | None = None
repo_name: str | None = None
description: str | None = None
provider: str | None = None
default_branch: str | None = None
latest_version: str | None = None
latest_version_source: str | None = None # "release" | "tag" | "atom" | None
def _normalize_repo_name(name: str | None) -> str | None:
if not name:
return None
n = name.strip()
if n.endswith(".git"):
n = n[:-4]
return n or None
def _split_owner_repo(repo_url: str) -> tuple[str | None, str | None]:
u = urlparse(repo_url.rstrip("/"))
parts = [p for p in u.path.strip("/").split("/") if p]
if len(parts) < 2:
return None, None
owner = parts[0].strip() or None
repo = _normalize_repo_name(parts[1])
return owner, repo
def detect_provider(repo_url: str) -> str:
host = urlparse(repo_url).netloc.lower()
if "github.com" in host:
return "github"
if "gitlab" in host:
return "gitlab"
owner, repo = _split_owner_repo(repo_url)
if owner and repo:
return "gitea"
return "generic"
async def _safe_json(session, url: str, *, headers: dict | None = None, timeout: int = 20):
try:
async with session.get(url, timeout=timeout, headers=headers) as resp:
status = resp.status
if status != 200:
return None, status
return await resp.json(), status
except Exception:
return None, None
async def _safe_text(session, url: str, *, headers: dict | None = None, timeout: int = 20):
try:
async with session.get(url, timeout=timeout, headers=headers) as resp:
status = resp.status
if status != 200:
return None, status
return await resp.text(), status
except Exception:
return None, None
def _extract_tag_from_github_url(url: str) -> str | None:
m = re.search(r"/releases/tag/([^/?#]+)", url)
if m:
return m.group(1)
m = re.search(r"/tag/([^/?#]+)", url)
if m:
return m.group(1)
return None
def _strip_html(s: str) -> str:
# minimal HTML entity cleanup for meta descriptions
out = (
s.replace("&amp;", "&")
.replace("&quot;", '"')
.replace("&#39;", "'")
.replace("&lt;", "<")
.replace("&gt;", ">")
)
return re.sub(r"\s+", " ", out).strip()
def _extract_meta(html: str, *, prop: str | None = None, name: str | None = None) -> str | None:
# Extract <meta property="og:description" content="...">
# or <meta name="description" content="...">
if prop:
# property="..." content="..."
m = re.search(
r'<meta[^>]+property=["\']' + re.escape(prop) + r'["\'][^>]+content=["\']([^"\']+)["\']',
html,
flags=re.IGNORECASE,
)
if m:
return _strip_html(m.group(1))
m = re.search(
r'<meta[^>]+content=["\']([^"\']+)["\'][^>]+property=["\']' + re.escape(prop) + r'["\']',
html,
flags=re.IGNORECASE,
)
if m:
return _strip_html(m.group(1))
if name:
m = re.search(
r'<meta[^>]+name=["\']' + re.escape(name) + r'["\'][^>]+content=["\']([^"\']+)["\']',
html,
flags=re.IGNORECASE,
)
if m:
return _strip_html(m.group(1))
m = re.search(
r'<meta[^>]+content=["\']([^"\']+)["\'][^>]+name=["\']' + re.escape(name) + r'["\']',
html,
flags=re.IGNORECASE,
)
if m:
return _strip_html(m.group(1))
return None
async def _github_description_html(hass: HomeAssistant, owner: str, repo: str) -> str | None:
"""
GitHub API may be rate-limited; fetch public HTML and read meta description.
"""
session = async_get_clientsession(hass)
headers = {
"User-Agent": UA,
"Accept": "text/html,application/xhtml+xml",
}
html, status = await _safe_text(session, f"https://github.com/{owner}/{repo}", headers=headers)
if not html or status != 200:
def _render_markdown_server_side(md: str) -> str | None:
"""Render Markdown -> sanitized HTML (server-side)."""
text = (md or "").strip()
if not text:
return None
desc = _extract_meta(html, prop="og:description")
if desc:
return desc
desc = _extract_meta(html, name="description")
if desc:
return desc
return None
async def _github_latest_version_atom(hass: HomeAssistant, owner: str, repo: str) -> tuple[str | None, str | None]:
session = async_get_clientsession(hass)
headers = {"User-Agent": UA, "Accept": "application/atom+xml,text/xml;q=0.9,*/*;q=0.8"}
xml_text, _ = await _safe_text(session, f"https://github.com/{owner}/{repo}/releases.atom", headers=headers)
if not xml_text:
return None, None
html: str | None = None
try:
root = ET.fromstring(xml_text)
except Exception:
return None, None
import markdown as mdlib # type: ignore
for entry in root.findall(".//{*}entry"):
for link in entry.findall(".//{*}link"):
href = link.attrib.get("href")
if not href:
continue
tag = _extract_tag_from_github_url(href)
if tag:
return tag, "atom"
html = mdlib.markdown(
text,
extensions=["fenced_code", "tables", "sane_lists", "toc"],
output_format="html5",
)
except Exception as e:
_LOGGER.debug("python-markdown render failed: %s", e)
html = None
return None, None
async def _github_latest_version_redirect(hass: HomeAssistant, owner: str, repo: str) -> tuple[str | None, str | None]:
session = async_get_clientsession(hass)
headers = {"User-Agent": UA}
url = f"https://github.com/{owner}/{repo}/releases/latest"
try:
async with session.head(url, allow_redirects=False, timeout=15, headers=headers) as resp:
if resp.status in (301, 302, 303, 307, 308):
loc = resp.headers.get("Location")
if loc:
tag = _extract_tag_from_github_url(loc)
if tag:
return tag, "release"
except Exception:
pass
return None, None
async def _github_latest_version_api(hass: HomeAssistant, owner: str, repo: str) -> tuple[str | None, str | None]:
session = async_get_clientsession(hass)
headers = {"Accept": "application/vnd.github+json", "User-Agent": UA}
data, _ = await _safe_json(session, f"https://api.github.com/repos/{owner}/{repo}/releases/latest", headers=headers)
if isinstance(data, dict):
tag = data.get("tag_name") or data.get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "release"
data, _ = await _safe_json(session, f"https://api.github.com/repos/{owner}/{repo}/tags?per_page=1", headers=headers)
if isinstance(data, list) and data:
tag = data[0].get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "tag"
return None, None
async def _github_latest_version(hass: HomeAssistant, owner: str, repo: str) -> tuple[str | None, str | None]:
tag, src = await _github_latest_version_atom(hass, owner, repo)
if tag:
return tag, src
tag, src = await _github_latest_version_redirect(hass, owner, repo)
if tag:
return tag, src
return await _github_latest_version_api(hass, owner, repo)
async def _gitea_latest_version(hass: HomeAssistant, base: str, owner: str, repo: str) -> tuple[str | None, str | None]:
session = async_get_clientsession(hass)
data, _ = await _safe_json(session, f"{base}/api/v1/repos/{owner}/{repo}/releases?limit=1")
if isinstance(data, list) and data:
tag = data[0].get("tag_name") or data[0].get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "release"
data, _ = await _safe_json(session, f"{base}/api/v1/repos/{owner}/{repo}/tags?limit=1")
if isinstance(data, list) and data:
tag = data[0].get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "tag"
return None, None
async def _gitlab_latest_version(hass: HomeAssistant, base: str, owner: str, repo: str) -> tuple[str | None, str | None]:
session = async_get_clientsession(hass)
headers = {"User-Agent": UA}
project = quote_plus(f"{owner}/{repo}")
data, _ = await _safe_json(
session,
f"{base}/api/v4/projects/{project}/releases?per_page=1&order_by=released_at&sort=desc",
headers=headers,
)
if isinstance(data, list) and data:
tag = data[0].get("tag_name") or data[0].get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "release"
data, _ = await _safe_json(
session,
f"{base}/api/v4/projects/{project}/repository/tags?per_page=1&order_by=updated&sort=desc",
headers=headers,
)
if isinstance(data, list) and data:
tag = data[0].get("name")
if isinstance(tag, str) and tag.strip():
return tag.strip(), "tag"
return None, None
async def fetch_repo_info(hass: HomeAssistant, repo_url: str) -> RepoInfo:
provider = detect_provider(repo_url)
owner, repo = _split_owner_repo(repo_url)
info = RepoInfo(
owner=owner,
repo_name=repo,
description=None,
provider=provider,
default_branch=None,
latest_version=None,
latest_version_source=None,
)
if not owner or not repo:
return info
session = async_get_clientsession(hass)
if not html:
return None
try:
if provider == "github":
# Try API repo details (may be rate-limited)
headers = {"Accept": "application/vnd.github+json", "User-Agent": UA}
data, status = await _safe_json(session, f"https://api.github.com/repos/{owner}/{repo}", headers=headers)
import bleach # type: ignore
if isinstance(data, dict):
info.description = data.get("description")
info.repo_name = _normalize_repo_name(data.get("name")) or repo
info.default_branch = data.get("default_branch") or "main"
if isinstance(data.get("owner"), dict) and data["owner"].get("login"):
info.owner = data["owner"]["login"]
else:
# If API blocked, still set reasonable defaults
if status == 403:
_LOGGER.debug("GitHub API blocked/rate-limited for repo info %s/%s", owner, repo)
info.default_branch = "main"
allowed_tags = [
"p",
"br",
"hr",
"div",
"span",
"blockquote",
"pre",
"code",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"ul",
"ol",
"li",
"strong",
"em",
"b",
"i",
"u",
"s",
"a",
"img",
"table",
"thead",
"tbody",
"tr",
"th",
"td",
]
# If description missing, fetch from GitHub HTML
if not info.description:
desc = await _github_description_html(hass, owner, repo)
if desc:
info.description = desc
allowed_attrs = {
"a": ["href", "title", "target", "rel"],
"img": ["src", "alt", "title"],
"th": ["align"],
"td": ["align"],
"*": ["class"],
}
ver, src = await _github_latest_version(hass, owner, repo)
info.latest_version = ver
info.latest_version_source = src
return info
sanitized = bleach.clean(
html,
tags=allowed_tags,
attributes=allowed_attrs,
protocols=["http", "https", "mailto"],
strip=True,
)
if provider == "gitlab":
u = urlparse(repo_url.rstrip("/"))
base = f"{u.scheme}://{u.netloc}"
headers = {"User-Agent": UA}
project = quote_plus(f"{owner}/{repo}")
data, _ = await _safe_json(session, f"{base}/api/v4/projects/{project}", headers=headers)
if isinstance(data, dict):
info.description = data.get("description")
info.repo_name = _normalize_repo_name(data.get("path")) or repo
info.default_branch = data.get("default_branch") or "main"
ns = data.get("namespace")
if isinstance(ns, dict) and ns.get("path"):
info.owner = ns.get("path")
ver, src = await _gitlab_latest_version(hass, base, owner, repo)
info.latest_version = ver
info.latest_version_source = src
return info
if provider == "gitea":
u = urlparse(repo_url.rstrip("/"))
base = f"{u.scheme}://{u.netloc}"
data, _ = await _safe_json(session, f"{base}/api/v1/repos/{owner}/{repo}")
if isinstance(data, dict):
info.description = data.get("description")
info.repo_name = _normalize_repo_name(data.get("name")) or repo
info.default_branch = data.get("default_branch") or "main"
if isinstance(data.get("owner"), dict) and data["owner"].get("login"):
info.owner = data["owner"]["login"]
ver, src = await _gitea_latest_version(hass, base, owner, repo)
info.latest_version = ver
info.latest_version_source = src
return info
return info
sanitized = sanitized.replace(
'<a href="',
'<a rel="noreferrer noopener" target="_blank" href="',
)
return sanitized
except Exception as e:
_LOGGER.debug("Provider fetch failed for %s: %s", repo_url, e)
return info
_LOGGER.debug("bleach sanitize failed/unavailable: %s", e)
return html
class StaticAssetsView(HomeAssistantView):
url = "/api/bahmcloud_store_static/{path:.*}"
name = "api:bahmcloud_store_static"
requires_auth = False
async def get(self, request: web.Request, path: str) -> web.Response:
base = Path(__file__).resolve().parent / "panel"
base_resolved = base.resolve()
req_path = (path or "").lstrip("/")
if req_path == "":
req_path = "index.html"
target = (base / req_path).resolve()
if not str(target).startswith(str(base_resolved)):
return web.Response(status=404)
if target.is_dir():
target = (target / "index.html").resolve()
if not target.exists():
_LOGGER.error("BCS static asset not found: %s", target)
return web.Response(status=404)
content_type = "text/plain"
charset = None
if target.suffix == ".js":
content_type = "application/javascript"
charset = "utf-8"
elif target.suffix == ".html":
content_type = "text/html"
charset = "utf-8"
elif target.suffix == ".css":
content_type = "text/css"
charset = "utf-8"
elif target.suffix == ".svg":
content_type = "image/svg+xml"
elif target.suffix == ".png":
content_type = "image/png"
resp = web.Response(body=target.read_bytes(), content_type=content_type, charset=charset)
resp.headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
resp.headers["Pragma"] = "no-cache"
return resp
class BCSApiView(HomeAssistantView):
url = "/api/bcs"
name = "api:bcs"
requires_auth = True
def __init__(self, core: Any) -> None:
self.core = core
async def get(self, request: web.Request) -> web.Response:
return web.json_response(
{"ok": True, "version": self.core.version, "repos": self.core.list_repos_public()}
)
async def post(self, request: web.Request) -> web.Response:
data = await request.json()
op = data.get("op")
if op == "add_custom_repo":
url = str(data.get("url") or "").strip()
name = data.get("name")
name = str(name).strip() if name else None
if not url:
return web.json_response({"ok": False, "message": "Missing url"}, status=400)
repo = await self.core.add_custom_repo(url=url, name=name)
return web.json_response({"ok": True, "repo": asdict(repo)})
return web.json_response({"ok": False, "message": "Unknown operation"}, status=400)
class BCSCustomRepoView(HomeAssistantView):
url = "/api/bcs/custom_repo"
name = "api:bcs_custom_repo"
requires_auth = True
def __init__(self, core: Any) -> None:
self.core = core
async def delete(self, request: web.Request) -> web.Response:
repo_id = request.query.get("id")
if not repo_id:
return web.json_response({"ok": False, "message": "Missing id"}, status=400)
await self.core.remove_custom_repo(repo_id)
return web.json_response({"ok": True})
class BCSReadmeView(HomeAssistantView):
url = "/api/bcs/readme"
name = "api:bcs_readme"
requires_auth = True
def __init__(self, core: Any) -> None:
self.core = core
async def get(self, request: web.Request) -> web.Response:
repo_id = request.query.get("repo_id")
if not repo_id:
return web.json_response({"ok": False, "message": "Missing repo_id"}, status=400)
repos = self.core.list_repos_public()
repo = next((r for r in repos if str(r.get("id", "")) == str(repo_id)), None)
if not repo:
return web.json_response({"ok": False, "message": "Repository not found."}, status=404)
repo_url = repo.get("url")
provider = repo.get("provider")
default_branch = repo.get("default_branch")
if not isinstance(repo_url, str) or not repo_url.strip():
return web.json_response({"ok": False, "message": "Repository URL missing."}, status=404)
md = await fetch_readme_markdown_from_repo(
self.core.hass,
repo_url=repo_url,
provider=provider if isinstance(provider, str) else None,
default_branch=default_branch if isinstance(default_branch, str) else None,
)
if not md or not md.strip():
return web.json_response(
{
"ok": False,
"message": "README not found (raw endpoint returned 404).",
},
status=404,
)
html = _render_markdown_server_side(md)
return web.json_response({"ok": True, "readme": md, "html": html})