204 lines
9.5 KiB
Python
204 lines
9.5 KiB
Python
"""Read-only identity and existing private-WeChat recipients for review reminders.
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This module does not initialize/decrypt databases, send messages, or choose an
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account/contact by display name. UI refreshes run it on a background worker.
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"""
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from __future__ import annotations
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from collections import OrderedDict
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from datetime import datetime
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import math
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from pathlib import Path
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import re
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import sqlite3
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import threading
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from runtime_paths import application_data_dir
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_ACCOUNT = re.compile(r"[0-9]{1,24}\Z")
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_PRIVATE = re.compile(r"M:[0-9]{1,24}\Z")
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_LOCK = threading.RLock()
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_CACHE = OrderedDict()
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def active_context() -> dict:
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try:
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from wecom_native_sender import discover, readonly_build_validation_scope
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except ImportError:
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return {"account_id": "", "account_name": "", "ready": False,
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"reason": "当前版本不支持医疗助理审核提醒"}
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try:
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with readonly_build_validation_scope():
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identity = discover()
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account = str(identity.get("accountId") or "")
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if not _ACCOUNT.fullmatch(account):
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raise ValueError("未取得可核验的当前企微账号")
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return {"account_id": account, "account_name": account, "ready": True,
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"reason": "", "pid": int(identity.get("pid") or 0)}
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except Exception as exc:
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return {"account_id": "", "account_name": "", "ready": False,
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"reason": f"当前企微账号尚未核验：{str(exc)[:240]}"}
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def _roots():
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data, source = application_data_dir(), Path(__file__).resolve().parent
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return [data / "archive_auto_backup" / "decrypted", data / "wxwork_decrypted",
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source / "archive_auto_backup" / "decrypted", source / "wxwork_decrypted"]
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def _databases(account, cache_roots=None):
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if not _ACCOUNT.fullmatch(str(account)):
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raise ValueError("企微账号格式无效")
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found = {}
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for root in cache_roots if cache_roots is not None else _roots():
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directory = Path(root) / account
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# Reject a linked directory belonging to a different account.
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if directory.resolve().name != account:
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continue
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for name in ("message.db", "session.db", "user.db"):
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path = directory / name
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if not path.is_file() or path.resolve().parent != directory.resolve():
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continue
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try:
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if name not in found or path.stat().st_mtime_ns > found[name].stat().st_mtime_ns:
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found[name] = path
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except OSError:
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continue
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if "message.db" not in found:
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raise ValueError("当前企微账号的本机消息库尚不可读，请先在微信消息库中完成读取")
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return found
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def _revision(databases):
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result = []
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for name, path in sorted(databases.items()):
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for candidate in (path, Path(str(path) + "-wal")):
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try:
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stat = candidate.stat()
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result.append((name, str(candidate.resolve()), stat.st_size, stat.st_mtime_ns,
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stat.st_ctime_ns, stat.st_ino))
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except OSError:
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result.append((name, str(candidate), None))
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return tuple(result)
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def _open(path):
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connection = sqlite3.connect(path.resolve().as_uri() + "?mode=ro", uri=True, timeout=2)
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connection.execute("PRAGMA query_only=ON")
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return connection
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def _names(path, table, wanted):
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if path is None:
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return []
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connection = _open(path)
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try:
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columns = {str(row[1]) for row in connection.execute(f'PRAGMA table_info("{table}")')}
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fields = [field for field in wanted if field in columns]
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if "id" not in fields:
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return []
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return [dict(zip(fields, row)) for row in connection.execute(f"SELECT {','.join(fields)} FROM {table}")]
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finally:
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connection.close()
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def _contacts(account, cache_roots=None):
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databases = _databases(account, cache_roots)
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revision = _revision(databases)
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key = (account, revision)
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with _LOCK:
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if key in _CACHE:
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_CACHE.move_to_end(key)
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return _CACHE[key]
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users = {}
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for row in _names(databases.get("user.db"), "user_table", ("id", "name", "real_name", "account")):
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users[str(row["id"])] = str(row.get("name") or row.get("real_name") or row.get("account") or row["id"])
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names = {}
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for row in _names(databases.get("session.db"), "conversation_table", ("id", "name", "roomname_remark", "session_id")):
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names[str(row["id"])] = str(row.get("roomname_remark") or row.get("name") or "")
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connection = _open(databases["message.db"])
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try:
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columns = {str(row[1]) for row in connection.execute('PRAGMA table_info("message_table")')}
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if "conversation_id" not in columns:
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raise ValueError("当前账号消息库缺少会话标识")
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timestamp = "MAX(CAST(send_time AS REAL))" if "send_time" in columns else "0"
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# Never read message bodies or use a preview to identify recipients.
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rows = connection.execute(
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f"SELECT conversation_id,{timestamp} FROM message_table "
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"WHERE conversation_id LIKE 'M:%' GROUP BY conversation_id").fetchall()
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finally:
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connection.close()
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items = []
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for conv_id, stamp in rows:
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conv_id = str(conv_id or "")
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if not _PRIVATE.fullmatch(conv_id):
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continue
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name = names.get(conv_id) or users.get(conv_id[2:]) or "微信联系人"
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try:
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stamp = float(stamp or 0)
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if not math.isfinite(stamp) or stamp < 0:
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stamp = 0
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if stamp > 10 ** 12:
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stamp /= 1000
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last_time = datetime.fromtimestamp(stamp).strftime("%Y-%m-%d %H:%M") if stamp else ""
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except (ValueError, TypeError, OSError, OverflowError):
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stamp, last_time = 0, ""
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items.append({"id": conv_id, "name": name, "kind": "微信客户",
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"lastTimestamp": stamp, "lastTime": last_time,
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"identityLabel": f"微信联系人 · 联系编号 {conv_id[2:]}"})
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items.sort(key=lambda row: (-row["lastTimestamp"], row["id"]))
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result = (users.get(account) or account, items)
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_CACHE[key] = result
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while len(_CACHE) > 8:
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_CACHE.popitem(last=False)
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return result
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def list_recipients(account: str, query="", limit=50, offset=0, *, cache_roots=None) -> dict:
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context = active_context()
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if not context["ready"] or str(context["account_id"]) != str(account):
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return {**context, "ready": False, "items": [], "total": 0, "has_more": False,
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"reason": context["reason"] or "当前企业微信账号已变化，请重新读取账号"}
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try:
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name, contacts = _contacts(str(account), cache_roots)
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current = active_context()
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if not current["ready"] or str(current["account_id"]) != str(account):
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raise ValueError("读取期间企业微信账号已变化，请重新读取账号")
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needle = str(query or "").strip().casefold()[:100]
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matches = [item for item in contacts if not needle or needle in f"{item['name']} {item['id']}".casefold()]
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offset, limit = max(0, int(offset)), max(1, min(100, int(limit)))
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return {**context, "account_name": name, "items": [dict(row) for row in matches[offset:offset + limit]],
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"total": len(matches), "offset": offset, "has_more": offset + limit < len(matches)}
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except (ValueError, OSError, sqlite3.Error) as exc:
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return {**context, "ready": False, "items": [], "total": 0, "has_more": False, "reason": str(exc)[:300]}
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def validate_recipient(account: str, conv_id: str, *, cache_roots=None) -> dict:
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if not _PRIVATE.fullmatch(str(conv_id or "")):
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return {"ok": False, "reason": "请选择已有的私人微信单聊联系人", "recipient": None}
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context = active_context()
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if not context["ready"] or context["account_id"] != str(account):
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return {"ok": False, "reason": context["reason"] or "当前企业微信账号已变化，请重新选择", "recipient": None}
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try:
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name, contacts = _contacts(str(account), cache_roots)
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recipient = next((dict(item) for item in contacts if item["id"] == conv_id), None)
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if recipient is None:
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raise ValueError("所选联系人不在当前账号的已有私人微信单聊中，请刷新后重新选择")
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current = active_context()
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if not current["ready"] or current["account_id"] != str(account):
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raise ValueError("核对期间企业微信账号已变化，请重新选择")
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return {"ok": True, "reason": "", "account_id": str(account), "account_name": name, "recipient": recipient}
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except (ValueError, OSError, sqlite3.Error) as exc:
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return {"ok": False, "reason": str(exc)[:300], "recipient": None}
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def notification_preview(account="当前企微账号", recipient=None) -> str:
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return ("【客户待审核提醒】\n"
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f"托管企微账号：{account}\n"
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"客户：示例客户（实际提醒包含会话标识）\n"
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"客户咨询：这里显示本轮待处理的客户消息\n"
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"待发送回复：这里显示 AI 生成、尚未发送的回复\n"
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"审核原因：这里显示命中的审核原因\n"
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"请用同一企业微信账号直接回复该客户，结束本次审核。后续自动回复仍逐条风控。\n"
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"——以上仅为内容示例，不会发送消息。")
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