Remove VM upload layer; keep file picker only

This commit is contained in:
“Naeel”
2026-09-05 09:23:13 +03:00
parent c0b87880ae
commit 85605fe8c6
20 changed files with 1 additions and 405 deletions
-15
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@@ -1,15 +0,0 @@
"""Переиспользуемый backend-слой закачки через ВМ."""
from .blueprint import create_upload_refs_blueprint
from .config import PULL_RETRIES, PULL_RETRY_DELAY, VM_UPLOAD_PREFIX
from .pull_file import pull_file
from .safe_name import safe_name
__all__ = [
"create_upload_refs_blueprint",
"safe_name",
"pull_file",
"PULL_RETRIES",
"PULL_RETRY_DELAY",
"VM_UPLOAD_PREFIX",
]
-79
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@@ -1,79 +0,0 @@
"""Blueprint слоя закачки ссылок через ВМ-буфер."""
import logging
import requests
from flask import Blueprint, jsonify, request
from ..session import (MAX_FILE_BYTES, add_file, configure, create_session,
file_count, get_files)
from .config import PULL_RETRIES, PULL_RETRY_DELAY, VM_UPLOAD_PREFIX
from .pull_file import pull_file
from .safe_name import safe_name
log = logging.getLogger("upload.upload_refs")
def create_upload_refs_blueprint(cfg: dict) -> Blueprint:
"""Создать Blueprint с POST ``/upload_refs``."""
cfg = cfg or {}
prefix = cfg.get("apiPrefix", "/api")
vm_prefix = cfg.get("vmUploadUrl", VM_UPLOAD_PREFIX)
max_file_bytes = cfg.get("maxFileBytes", MAX_FILE_BYTES)
pull_retries = cfg.get("pullRetries", PULL_RETRIES)
pull_delay = cfg.get("pullRetryDelay", PULL_RETRY_DELAY)
pull_timeout = cfg.get("pullTimeout", 120)
configure(max_session_bytes=cfg.get("maxSessionBytes"))
blueprint = Blueprint("upload_refs", __name__, url_prefix=prefix)
@blueprint.route("/upload_refs", methods=["POST"])
def upload_refs():
data = request.get_json(silent=True) or {}
sid = data.get("session") or create_session()
refs = data.get("files") or []
if not isinstance(refs, list) or not refs:
return jsonify({"ok": False, "error": "No files"}), 400
added = 0
try:
with requests.Session() as client:
for ref in refs:
if not isinstance(ref, dict):
continue
name = safe_name(ref.get("name", ""))
url = ref.get("url")
if not name or not isinstance(url, str) or not url.startswith(vm_prefix):
continue
if (ref.get("size") or 0) > max_file_bytes:
_delete(client, url)
continue
content = pull_file(
client, url, max_file_bytes, pull_retries, pull_delay,
pull_timeout, sid=sid, name=name,
)
if not add_file(sid, name, content):
if get_files(sid) is None:
return jsonify({"ok": False, "error": "Session not found"}), 404
_delete(client, url)
continue
_delete(client, url)
added += 1
except Exception as error:
log.error("upload_refs: pull error sid=%s: %r", sid, error)
return jsonify({"ok": False, "error": "Pull failed: %s" % error}), 502
return jsonify({"ok": True, "session": sid, "count": file_count(sid)})
return blueprint
def _delete(client, url: str):
"""Удалить временный объект на ВМ, не ломая основной запрос при сбое."""
try:
client.delete(url, timeout=10)
except Exception:
log.warning("upload_refs: could not delete VM object url=%r", url)
-5
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"""Значения по умолчанию для pull из ВМ-буфера."""
PULL_RETRIES = 3
PULL_RETRY_DELAY = 2
VM_UPLOAD_PREFIX = "https://example.invalid/upload/"
-38
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@@ -1,38 +0,0 @@
"""Исходящий pull файла из ВМ-буфера с ретраями и лимитом размера."""
import logging
import time
from .config import PULL_RETRIES, PULL_RETRY_DELAY
log = logging.getLogger("upload.upload_refs.pull")
def pull_file(client, url: str, max_bytes: int,
retries: int = PULL_RETRIES, delay: float = PULL_RETRY_DELAY,
timeout: int = 120, sid: str = None, name: str = None) -> bytes:
"""Забрать файл потоково, не принимая тело больше ``max_bytes``."""
last_error = None
for attempt in range(retries):
try:
response = client.get(url, stream=True, timeout=timeout)
response.raise_for_status()
chunks = []
total = 0
for chunk in response.iter_content(chunk_size=1024 * 1024):
if not chunk:
continue
total += len(chunk)
if total > max_bytes:
raise ValueError("file exceeds maxFileBytes")
chunks.append(chunk)
return b"".join(chunks)
except Exception as error:
last_error = error
log.warning("pull: attempt %d/%d failed sid=%s file=%r: %r",
attempt + 1, retries, sid, name, error)
if attempt + 1 < retries:
time.sleep(delay)
raise last_error if last_error else RuntimeError("pull failed")
-13
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"""Санитизация имени файла с сохранением подпапок."""
def safe_name(name: str) -> str:
"""Вернуть безопасное относительное имя или пустую строку."""
if not isinstance(name, str) or not name:
return ""
parts = [part for part in name.replace("\\", "/").split("/")
if part and part != "."]
if not parts or any(part == ".." for part in parts):
return ""
return "/".join(parts)