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live-hub-py/web/backend/database.py
T
yml2213andClaude Fable 5 8fdf8d4b69 优化代理获取和登录逻辑
- 每个账号独立获取代理,不再共用一个代理IP
- 代理预检失败只标记该账号失败,不终止整个批次
- 代理验证改为并发:verify_proxies_concurrent 多IP同时验证
- resolve_working_proxy 多IP并发验证,找到可用即返回
- parse_proxy_response 改为返回列表,支持多行/逗号分隔
- 邮箱验证码匹配收件人地址,防止多账号并发取错验证码
- 修正 mail.bdhg.xyz 旧数据端口和SSL配置
- bdhg.xyz 默认配置改为 143端口非SSL

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-06-22 22:44:01 +08:00

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"""数据库引擎与会话管理"""
from pathlib import Path
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base
DB_PATH = Path(__file__).parent.parent.parent / "data" / "web.db"
DB_PATH.parent.mkdir(parents=True, exist_ok=True)
engine = create_engine(
f"sqlite:///{DB_PATH}",
connect_args={"check_same_thread": False},
echo=False,
)
SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
Base = declarative_base()
def get_db():
"""FastAPI 依赖:提供数据库会话,请求结束自动关闭。"""
db = SessionLocal()
try:
yield db
finally:
db.close()
def init_db():
"""建表 + 写入初始数据。"""
Base.metadata.create_all(bind=engine)
_migrate()
_seed()
def _migrate():
"""数据库迁移:为已有表添加新列。"""
from sqlalchemy import text
with engine.connect() as conn:
# 检查 accounts.tag 列是否存在
result = conn.execute(text("PRAGMA table_info(accounts)"))
columns = [row[1] for row in result]
if 'tag' not in columns:
conn.execute(text("ALTER TABLE accounts ADD COLUMN tag VARCHAR(64) DEFAULT ''"))
conn.commit()
# 检查 users.custom_permissions 列是否存在
result = conn.execute(text("PRAGMA table_info(users)"))
columns = [row[1] for row in result]
if 'custom_permissions' not in columns:
conn.execute(text("ALTER TABLE users ADD COLUMN custom_permissions JSON DEFAULT NULL"))
conn.commit()
# 检查 accounts.email_imap_ssl 列是否存在
result = conn.execute(text("PRAGMA table_info(accounts)"))
columns = [row[1] for row in result]
if 'email_imap_ssl' not in columns:
# 旧数据端口993的默认True(SSL),其他端口默认False
conn.execute(text("ALTER TABLE accounts ADD COLUMN email_imap_ssl BOOLEAN DEFAULT 1"))
conn.commit()
# 修正旧数据中使用 111.229.206.54 的账号:端口改为143SSL改为False
conn.execute(text(
"UPDATE accounts SET email_imap_port = 143, email_imap_ssl = 0 "
"WHERE email_imap_server = '111.229.206.54'"
))
conn.commit()
# 修正旧数据中使用 mail.bdhg.xyz 的账号:993端口不通,改用143非SSL
conn.execute(text(
"UPDATE accounts SET email_imap_port = 143, email_imap_ssl = 0 "
"WHERE email_imap_server = 'mail.bdhg.xyz'"
))
conn.commit()
def _seed():
"""写入默认超管账号和角色。"""
from .models import User
from .security import hash_password
db = SessionLocal()
try:
if not db.query(User).first():
admin = User(
username="admin",
password_hash=hash_password("admin123"),
role="super_admin",
is_active=True,
remark="默认超级管理员",
)
db.add(admin)
db.commit()
finally:
db.close()