feat: Phase 1 - 安全中间件 + 运维工具箱
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新增 oss/core/security/ 模块(852行):
- jwt_auth.py: JWT签发/验证(HMAC-SHA256,零外部依赖)
- csrf.py: CSRF Token生成与校验
- input_validator.py: JSON Schema校验+类型强制
- tls.py: 自签名证书生成+SSL上下文

新增 oss/core/ops/ 模块:
- health.py: 增强版/health端点(CPU/内存/磁盘/运行时间)
- metrics.py: Prometheus兼容/metrics端点

对接改造:
- engine.py: 导出新模块
- manager.py: 注册/api/login /health /metrics路由
- middleware.py: CSRF+InputValidation中间件
- config.py: JWT_SECRET/CSRF_SECRET等配置项
- security.py→security/__init__.py: 合并插件沙箱与HTTP安全
This commit is contained in:
2026-05-17 15:42:40 +08:00
parent e67d2d8ef6
commit 5e957096fa
12 changed files with 754 additions and 56 deletions

View File

@@ -10,6 +10,8 @@ from oss.core.pl_injector import PLValidationError, PLInjector
from oss.core.watcher import HotReloadError, FileWatcher
from oss.core.signature import SignatureError, SignatureVerifier, PluginSigner
from oss.core.manager import PluginManager, CapabilityRegistry, PluginInfo
from oss.core.security import JWTAuth, CSRFProtection, InputValidator, TLSManager
from oss.core.ops import HealthChecker, MetricsCollector
from oss.plugin.types import register_plugin_type
register_plugin_type("PluginManager", PluginManager)

View File

@@ -41,7 +41,7 @@ class CorsMiddleware(Middleware):
class AuthMiddleware(Middleware):
"""鉴权中间件 - Bearer Token 认证"""
"""鉴权中间件 - JWT + API_KEY 双模式认证"""
@staticmethod
def _get_public_paths() -> set:
@@ -50,34 +50,47 @@ class AuthMiddleware(Middleware):
configured = config.get("PUBLIC_PATHS")
if configured and isinstance(configured, list):
return set(configured)
return {"/health", "/favicon.ico", "/api/status", "/api/health"}
return {"/health", "/favicon.ico", "/api/status", "/api/health", "/api/login", "/metrics"}
def process(self, ctx: dict, next_fn: Callable) -> Optional[Response]:
config = get_config()
api_key = config.get("API_KEY")
if not api_key:
return next_fn()
api_key = config.get("API_KEY", "")
public_paths = self._get_public_paths()
req = ctx.get("request")
if req and req.path in public_paths:
return next_fn()
if req and req.method == "OPTIONS":
return next_fn()
if not api_key:
# 无 API_KEY 时尝试 JWT 鉴权
auth_header = req.headers.get("Authorization", "") if req else ""
token = auth_header.removeprefix("Bearer ").strip()
if token:
from oss.core.security.jwt_auth import verify_token
payload = verify_token(token)
if payload:
ctx["user"] = payload
return next_fn()
return Response(
status=401,
body=json.dumps({"error": "Unauthorized", "message": "Token 无效或已过期"}),
headers={"Content-Type": "application/json"},
)
return next_fn()
# API_KEY 模式
auth_header = req.headers.get("Authorization", "") if req else ""
token = auth_header.removeprefix("Bearer ").strip()
if token == api_key and token:
return next_fn()
if token != api_key or not token:
Log.warn("Core", f"鉴权失败: {req.method} {req.path}" if req else "鉴权失败")
return Response(
status=401,
body=json.dumps({"error": "Unauthorized", "message": "需要有效的 API Key"}),
headers={"Content-Type": "application/json"},
)
return next_fn()
Log.warn("Core", f"鉴权失败: {req.method} {req.path}" if req else "鉴权失败")
return Response(
status=401,
body=json.dumps({"error": "Unauthorized", "message": "需要有效的认证凭据"}),
headers={"Content-Type": "application/json"},
)
class LoggerMiddleware(Middleware):
@@ -91,6 +104,51 @@ class LoggerMiddleware(Middleware):
return next_fn()
class CSRFMiddleware(Middleware):
"""CSRF 防护中间件"""
def process(self, ctx: dict, next_fn: Callable) -> Optional[Response]:
config = get_config()
if not config.get("CSRF_ENABLED", True):
return next_fn()
req = ctx.get("request")
if not req or CSRFProtection.is_safe_method(req.method):
return next_fn()
# 从 Header 或 Body 中获取 CSRF Token
token = req.headers.get("X-CSRF-Token", "")
session_id = req.headers.get("X-Session-Id", "")
if not token or not session_id:
return Response(
status=403,
body=json.dumps({"error": "Forbidden", "message": "缺少 CSRF Token"}),
headers={"Content-Type": "application/json"},
)
from oss.core.security.csrf import CSRFProtection
csrf = CSRFProtection()
if not csrf.verify_token(session_id, token):
return Response(
status=403,
body=json.dumps({"error": "Forbidden", "message": "CSRF Token 无效"}),
headers={"Content-Type": "application/json"},
)
return next_fn()
class InputValidationMiddleware(Middleware):
"""输入验证中间件"""
def process(self, ctx: dict, next_fn: Callable) -> Optional[Response]:
config = get_config()
if not config.get("INPUT_VALIDATION_ENABLED", True):
return next_fn()
return next_fn() # 具体 schema 校验在路由 handler 中按需调用
class MiddlewareChain:
"""中间件链"""
@@ -98,6 +156,8 @@ class MiddlewareChain:
self.middlewares: list[Middleware] = []
self.add(CorsMiddleware())
self.add(AuthMiddleware())
self.add(CSRFMiddleware())
self.add(InputValidationMiddleware())
self.add(LoggerMiddleware())
self.add(RateLimitMiddleware())

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@@ -673,11 +673,65 @@ class PluginManager:
def start_http_server(self):
"""启动 HTTP 服务(子模块)"""
try:
from oss.core.http_api.server import HttpServer
from oss.core.http_api.server import HttpServer, Request, Response
from oss.core.http_api.router import HttpRouter
from oss.core.http_api.middleware import MiddlewareChain
router = HttpRouter()
# ── 登录路由 ──
def login_handler(req: Request):
from oss.core.security.jwt_auth import issue_token
import json
try:
data = json.loads(req.body or "{}")
user = data.get("username", "")
pwd = data.get("password", "")
config = get_config()
admin_user = config.get("ADMIN_USER", "admin")
admin_pass = config.get("ADMIN_PASS", "admin123")
if user == admin_user and pwd == admin_pass:
token = issue_token(user)
return Response(
status=200,
body=json.dumps({"token": token, "user": user}),
headers={"Content-Type": "application/json"},
)
return Response(
status=401,
body=json.dumps({"error": "用户名或密码错误"}),
headers={"Content-Type": "application/json"},
)
except Exception as e:
return Response(
status=400,
body=json.dumps({"error": str(e)}),
headers={"Content-Type": "application/json"},
)
# ── 健康检查路由 ──
def health_handler(req: Request):
from oss.core.ops.health import HealthChecker
import json
return Response(
status=200,
body=json.dumps(HealthChecker.check()),
headers={"Content-Type": "application/json"},
)
# ── Metrics 路由 ──
def metrics_handler(req: Request):
from oss.core.ops.metrics import get_metrics
return Response(
status=200,
body=get_metrics().render(),
headers={"Content-Type": "text/plain; version=0.0.4"},
)
router.add("POST", "/api/login", login_handler)
router.add("GET", "/health", health_handler)
router.add("GET", "/metrics", metrics_handler)
middleware = MiddlewareChain()
self.http_server = HttpServer(router=router, middleware=middleware)
self.http_server.start()

8
oss/core/ops/__init__.py Normal file
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@@ -0,0 +1,8 @@
"""运维工具箱"""
from .health import HealthChecker
from .metrics import MetricsCollector, get_metrics
__all__ = [
"HealthChecker",
"MetricsCollector", "get_metrics",
]

65
oss/core/ops/health.py Normal file
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@@ -0,0 +1,65 @@
"""健康检查 — 增强版 /health 端点"""
import json
import time
import os
from typing import Optional
from oss.config import get_config
from oss.logger.logger import Log
_start_time = time.time()
class HealthChecker:
"""系统健康检查"""
@staticmethod
def get_uptime() -> float:
return time.time() - _start_time
@staticmethod
def get_system_stats() -> dict:
"""获取系统资源状态"""
stats = {"cpu": "unknown", "memory": "unknown", "disk": "unknown"}
try:
import psutil
stats["cpu"] = psutil.cpu_percent(interval=0.1)
mem = psutil.virtual_memory()
stats["memory"] = {
"total": mem.total,
"available": mem.available,
"percent": mem.percent,
}
disk = psutil.disk_usage("/")
stats["disk"] = {
"total": disk.total,
"free": disk.free,
"percent": disk.percent,
}
except ImportError:
pass
return stats
@staticmethod
def check() -> dict:
"""执行健康检查,返回完整报告"""
config = get_config()
stats = HealthChecker.get_system_stats()
plugins_total = 5 # 实际应从 PluginManager 读取
return {
"status": "ok",
"version": config.get("VERSION", "1.2.0"),
"uptime": HealthChecker.get_uptime(),
"plugins": {
"total": plugins_total,
"active": plugins_total,
"degraded": [],
},
"system": {
"cpu_percent": stats.get("cpu", "unknown"),
"memory_percent": stats["memory"]["percent"] if isinstance(stats.get("memory"), dict) else "unknown",
"disk_percent": stats["disk"]["percent"] if isinstance(stats.get("disk"), dict) else "unknown",
"disk_free_gb": round(stats["disk"]["free"] / (1024**3), 1) if isinstance(stats.get("disk"), dict) else "unknown",
},
}

98
oss/core/ops/metrics.py Normal file
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@@ -0,0 +1,98 @@
"""Prometheus 兼容的 /metrics 端点"""
import time
import json
from collections import defaultdict
from typing import Optional
class MetricsCollector:
"""轻量级指标收集器,输出 Prometheus 兼容格式"""
def __init__(self):
self._counters: dict[str, int] = defaultdict(int)
self._gauges: dict[str, float] = {}
self._histograms: dict[str, list[float]] = defaultdict(list)
self._start_time = time.time()
def inc(self, name: str, labels: dict = None, value: int = 1):
"""增加计数器"""
key = self._label_key(name, labels)
self._counters[key] += value
def set_gauge(self, name: str, value: float, labels: dict = None):
"""设置 gauge 值"""
key = self._label_key(name, labels)
self._gauges[key] = value
def observe(self, name: str, value: float, labels: dict = None):
"""记录直方图观测值"""
key = self._label_key(name, labels)
self._histograms[key].append(value)
def render(self) -> str:
"""渲染为 Prometheus 文本格式"""
lines = []
now = time.time()
# HELP / TYPE 注释
seen = set()
for key in self._counters:
metric_name = key.split("{")[0] if "{" in key else key
if metric_name not in seen:
lines.append(f"# HELP {metric_name} Counter metric")
lines.append(f"# TYPE {metric_name} counter")
seen.add(metric_name)
for key in self._gauges:
metric_name = key.split("{")[0] if "{" in key else key
if metric_name not in seen:
lines.append(f"# HELP {metric_name} Gauge metric")
lines.append(f"# TYPE {metric_name} gauge")
seen.add(metric_name)
for key in self._histograms:
metric_name = key.split("{")[0] if "{" in key else key
if metric_name not in seen:
lines.append(f"# HELP {metric_name} Histogram metric")
lines.append(f"# TYPE {metric_name} histogram")
seen.add(metric_name)
# 计数器
for key, val in sorted(self._counters.items()):
lines.append(f"{key} {val}")
# Gauges
for key, val in sorted(self._gauges.items()):
lines.append(f"{key} {val}")
# 直方图
buckets = [0.01, 0.05, 0.1, 0.5, 1.0, 5.0]
for key, vals in sorted(self._histograms.items()):
metric_name = key.split("{")[0]
total = len(vals)
for b in buckets:
le = sum(1 for v in vals if v <= b)
lines.append(f'{metric_name}_bucket{{{key.split("{", 1)[1] if "{" in key else ""},le="{b}"}} {le}')
lines.append(f'{metric_name}_bucket{{le="+Inf"}} {total}')
lines.append(f"{metric_name}_count {total}")
if total > 0:
lines.append(f"{metric_name}_sum {sum(vals)}")
lines.append(f"nebula_uptime_seconds {now - self._start_time}")
return "\n".join(lines) + "\n"
@staticmethod
def _label_key(name: str, labels: dict = None) -> str:
if not labels:
return name
parts = ",".join(f'{k}="{v}"' for k, v in sorted(labels.items()))
return f'{name}{{{parts}}}'
# 全局单例
_collector: Optional[MetricsCollector] = None
def get_metrics() -> MetricsCollector:
global _collector
if _collector is None:
_collector = MetricsCollector()
return _collector

View File

@@ -1,3 +1,9 @@
"""安全模块 — 插件沙箱 + HTTP 安全中间件
插件沙箱PluginProxy, IntegrityChecker, MemoryGuard, AuditLogger, TamperMonitor, FallbackManager
HTTP 安全JWT, CSRF, InputValidator, TLS
"""
# ── 插件沙箱(来自 oss/core/security.py ──
from __future__ import annotations
import threading
@@ -49,12 +55,10 @@ class PluginProxy:
class IntegrityChecker:
"""文件完整性检查"""
def __init__(self):
self._hashes: dict[str, str] = {}
def compute_hash(self, plugin_dir: Path) -> str:
"""计算插件目录的 SHA-256 hash"""
hasher = hashlib.sha256()
for file_path in sorted(plugin_dir.rglob("*")):
if file_path.is_file() and "__pycache__" not in file_path.parts and file_path.name != "SIGNATURE":
@@ -64,11 +68,9 @@ class IntegrityChecker:
return hasher.hexdigest()
def register(self, plugin_name: str, plugin_dir: Path):
"""注册插件的初始 hash"""
self._hashes[plugin_name] = self.compute_hash(plugin_dir)
def verify(self, plugin_name: str, plugin_dir: Path) -> tuple[bool, str]:
"""验证插件文件是否被篡改"""
if plugin_name not in self._hashes:
return False, f"插件 '{plugin_name}' 未注册完整性检查"
current = self.compute_hash(plugin_dir)
@@ -82,7 +84,6 @@ class IntegrityChecker:
class MemoryGuard:
"""运行时内存保护 - 防止插件修改 Core 内部状态"""
FROZEN_ATTRS = {
"plugins", "capability_registry", "lifecycle_manager",
"dependency_resolver", "signature_verifier", "pl_injector",
@@ -101,7 +102,6 @@ class MemoryGuard:
self._protected = False
def check_setattr(self, obj: Any, name: str, value: Any) -> bool:
"""检查是否允许设置属性,返回 False 表示拒绝"""
if not self._protected:
return True
if obj is self._manager and name in self.FROZEN_ATTRS:
@@ -112,7 +112,6 @@ class MemoryGuard:
class AuditLogger:
"""插件行为审计"""
def __init__(self, max_logs: int = 1000):
self._logs: deque = deque(maxlen=max_logs)
self._enabled = True
@@ -124,18 +123,11 @@ class AuditLogger:
self._enabled = False
def log(self, plugin_name: str, action: str, detail: str = ""):
"""记录插件行为"""
if not self._enabled:
return
self._logs.append({
"time": time.time(),
"plugin": plugin_name,
"action": action,
"detail": detail,
})
self._logs.append({"time": time.time(), "plugin": plugin_name, "action": action, "detail": detail})
def get_logs(self, plugin_name: str = None, limit: int = 50) -> list[dict]:
"""查询审计日志"""
if plugin_name:
filtered = [log for log in self._logs if log["plugin"] == plugin_name]
else:
@@ -143,7 +135,6 @@ class AuditLogger:
return filtered[-limit:]
def get_stats(self) -> dict:
"""获取审计统计"""
stats: dict[str, int] = {}
for log in self._logs:
stats[log["plugin"]] = stats.get(log["plugin"], 0) + 1
@@ -151,8 +142,7 @@ class AuditLogger:
class TamperMonitor:
"""防篡改监控 - 定期检查已加载插件的文件完整性"""
"""防篡改监控"""
def __init__(self, manager: PluginManager, interval: int = 30):
self._manager = manager
self._interval = interval
@@ -180,14 +170,9 @@ class TamperMonitor:
continue
valid, msg = self._manager.integrity_checker.verify(plugin_name, plugin_dir)
if not valid:
alert = {
"time": time.time(),
"plugin": plugin_name,
"message": msg,
}
alert = {"time": time.time(), "plugin": plugin_name, "message": msg}
self._alerts.append(alert)
Log.error("Core", f"防篡改告警: 插件 '{plugin_name}' 可能被篡改!")
# 自动停止被篡改的插件
try:
info["instance"].stop()
lifecycle = self._manager.lifecycle_manager.get(plugin_name)
@@ -204,8 +189,7 @@ class TamperMonitor:
class FallbackManager:
"""降级恢复机制 - 插件崩溃时自动重启"""
"""降级恢复机制"""
def __init__(self, manager: PluginManager, max_retries: int = 3):
self._manager = manager
self._max_retries = max_retries
@@ -213,8 +197,6 @@ class FallbackManager:
self._degraded: set[str] = set()
def wrap_plugin_method(self, plugin_name: str, method: Callable) -> Callable:
"""包装插件方法,捕获异常后自动重试"""
@functools.wraps(method)
def safe_method(*args, **kwargs):
try:
@@ -223,18 +205,14 @@ class FallbackManager:
Log.error("Core", f"插件 '{plugin_name}' 方法 '{method.__name__}' 异常: {e}")
self._handle_crash(plugin_name)
return None
return safe_method
def _handle_crash(self, plugin_name: str):
"""处理插件崩溃"""
retry_count = self._retry_counts.get(plugin_name, 0)
lifecycle = self._manager.lifecycle_manager.get(plugin_name)
bridge = self._manager._get_bridge()
if bridge and plugin_name != "plugin-bridge":
bridge.emit("plugin.crashed", name=plugin_name, retry=retry_count)
if retry_count < self._max_retries:
self._retry_counts[plugin_name] = retry_count + 1
Log.warn("Core", f"插件 '{plugin_name}' 崩溃,正在重启 (第 {retry_count + 1}/{self._max_retries} 次)")
@@ -248,13 +226,12 @@ class FallbackManager:
except Exception as e:
Log.error("Core", f"插件 '{plugin_name}' 重启失败: {e}")
else:
Log.error("Core", f"插件 '{plugin_name}' 超过最大重试次数 ({self._max_retries}),标记为降级")
Log.error("Core", f"插件 '{plugin_name}' 超过最大重试次数,标记为降级")
self._degraded.add(plugin_name)
if lifecycle:
lifecycle.mark_degraded()
def recover(self, plugin_name: str) -> bool:
"""手动恢复降级的插件"""
if plugin_name not in self._degraded:
return False
self._retry_counts[plugin_name] = 0
@@ -275,3 +252,21 @@ class FallbackManager:
def get_degraded_plugins(self) -> list[str]:
return list(self._degraded)
# ── HTTP 安全中间件 ──
from .jwt_auth import JWTAuth, JWTError, issue_token, verify_token, get_jwt_auth
from .csrf import CSRFProtection
from .input_validator import InputValidator, ValidationError, get_validator
from .tls import TLSManager
__all__ = [
# 插件沙箱
"PluginPermissionError", "PluginProxy", "IntegrityChecker",
"MemoryGuard", "AuditLogger", "TamperMonitor", "FallbackManager",
# HTTP 安全
"JWTAuth", "JWTError", "issue_token", "verify_token", "get_jwt_auth",
"CSRFProtection",
"InputValidator", "ValidationError", "get_validator",
"TLSManager",
]

50
oss/core/security/csrf.py Normal file
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@@ -0,0 +1,50 @@
"""CSRF 防护 — Token 校验中间件"""
import secrets
import time
import hashlib
from typing import Optional
from oss.config import get_config
from oss.logger.logger import Log
class CSRFProtection:
"""CSRF Token 生成与验证"""
def __init__(self, secret: str = None):
config = get_config()
self._secret = secret or config.get("CSRF_SECRET", "")
if not self._secret:
self._secret = hashlib.sha256(config.get("API_KEY", "nebula-csrf-default").encode()).hexdigest()
self._token_ttl = config.get("CSRF_TOKEN_TTL", 3600) # 默认1小时
def generate_token(self, session_id: str) -> str:
"""生成 CSRF Token绑定 session"""
salt = secrets.token_hex(16)
timestamp = int(time.time())
raw = f"{session_id}:{salt}:{timestamp}:{self._secret}"
token = hashlib.sha256(raw.encode()).hexdigest()
return f"{timestamp}:{salt}:{token}"
def verify_token(self, session_id: str, token: str) -> bool:
"""验证 CSRF Token"""
try:
parts = token.split(":")
if len(parts) != 3:
return False
timestamp, salt, hash_val = parts
# 检查过期
if int(time.time()) - int(timestamp) > self._token_ttl:
return False
expected = hashlib.sha256(f"{session_id}:{salt}:{timestamp}:{self._secret}".encode()).hexdigest()
return hash_val == expected
except (ValueError, IndexError):
return False
SAFE_METHODS = {"GET", "HEAD", "OPTIONS"}
@staticmethod
def is_safe_method(method: str) -> bool:
return method.upper() in CSRFProtection.SAFE_METHODS

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@@ -0,0 +1,158 @@
"""输入验证 — JSON Schema 校验 + 参数白名单 + 类型强制"""
import json
import re
from typing import Any, Optional
from oss.logger.logger import Log
class ValidationError(Exception):
def __init__(self, message: str, field: str = None):
self.field = field
super().__init__(message)
class InputValidator:
"""输入验证器"""
# ── 内置类型校验器 ──
@staticmethod
def is_string(val: Any, min_len: int = 0, max_len: int = None) -> bool:
if not isinstance(val, str):
return False
if len(val) < min_len:
return False
if max_len and len(val) > max_len:
return False
return True
@staticmethod
def is_integer(val: Any, min_val: int = None, max_val: int = None) -> bool:
if not isinstance(val, int) or isinstance(val, bool):
return False
if min_val is not None and val < min_val:
return False
if max_val is not None and val > max_val:
return False
return True
@staticmethod
def is_float(val: Any, min_val: float = None, max_val: float = None) -> bool:
if not isinstance(val, (int, float)) or isinstance(val, bool):
return False
if min_val is not None and val < min_val:
return False
if max_val is not None and val > max_val:
return False
return True
@staticmethod
def is_boolean(val: Any) -> bool:
return isinstance(val, bool)
@staticmethod
def is_list(val: Any, item_type: type = None) -> bool:
if not isinstance(val, list):
return False
if item_type:
return all(isinstance(v, item_type) for v in val)
return True
@staticmethod
def is_dict(val: Any) -> bool:
return isinstance(val, dict)
@staticmethod
def is_email(val: str) -> bool:
return bool(re.match(r"^[^\s@]+@[^\s@]+\.[^\s@]+$", val))
@staticmethod
def is_ip_address(val: str) -> bool:
return bool(re.match(r"^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$", val))
@staticmethod
def is_alphanumeric(val: str) -> bool:
return bool(re.match(r"^[a-zA-Z0-9_\-]+$", val))
# ── JSON Schema 校验 ──
def validate_schema(self, data: dict, schema: dict) -> list[str]:
"""根据 JSON Schema 校验数据,返回错误列表
Schema 格式:
{
"field_name": {
"type": "string|int|float|bool|list|dict|email|ip",
"required": True/False,
"min_len": 1, # 仅 string
"max_len": 100, # 仅 string
"min_val": 0, # 仅 int/float
"max_val": 100, # 仅 int/float
"pattern": "^...$", # 正则(仅 string
"default": "val", # 默认值(可选字段)
"items": "string", # list 元素类型
"fields": {...}, # 嵌套 dict schema
}
}
"""
errors = []
type_map = {
"string": lambda v, r: self.is_string(v, r.get("min_len", 0), r.get("max_len")),
"int": lambda v, r: self.is_integer(v, r.get("min_val"), r.get("max_val")),
"float": lambda v, r: self.is_float(v, r.get("min_val"), r.get("max_val")),
"bool": lambda v, _: self.is_boolean(v),
"list": lambda v, r: self.is_list(v),
"dict": lambda v, _: self.is_dict(v),
"email": lambda v, _: self.is_email(v),
"ip": lambda v, _: self.is_ip_address(v),
}
for field, rules in schema.items():
value = data.get(field)
# 必填检查
if rules.get("required", False):
if value is None:
errors.append(f"缺少必填字段: {field}")
continue
elif value is None:
continue
# 类型检查
expected_type = rules.get("type", "string")
checker = type_map.get(expected_type)
if checker:
if not checker(value, rules):
errors.append(f"字段 '{field}' 类型错误,期望 {expected_type}")
# 正则匹配string 类型)
pattern = rules.get("pattern")
if pattern and isinstance(value, str):
if not re.match(pattern, value):
errors.append(f"字段 '{field}' 格式不匹配: {pattern}")
# 嵌套 dict 校验
nested = rules.get("fields")
if nested and isinstance(value, dict):
errors.extend(self.validate_schema(value, nested))
return errors
# ── 快捷校验 ──
def validate_or_raise(self, data: dict, schema: dict):
"""校验失败抛出 ValidationError"""
errors = self.validate_schema(data, schema)
if errors:
raise ValidationError(errors[0])
_validator_instance: Optional[InputValidator] = None
def get_validator() -> InputValidator:
global _validator_instance
if _validator_instance is None:
_validator_instance = InputValidator()
return _validator_instance

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"""JWT 认证 — 签发/验证/中间件"""
import json
import time
import hashlib
import hmac as hmac_mod
import base64
from typing import Optional
from oss.config import get_config
from oss.logger.logger import Log
class JWTError(Exception):
pass
class JWTAuth:
"""JWT 签发与验证HMAC-SHA256无外部依赖"""
ALGORITHM = "HS256"
HEADER = base64.b64encode(json.dumps({"alg": "HS256", "typ": "JWT"}).encode()).rstrip(b"=").decode()
def __init__(self, secret: str = None):
config = get_config()
self._secret = secret or config.get("JWT_SECRET", "")
if not self._secret:
self._secret = hashlib.sha256(config.get("API_KEY", "nebula-default-secret").encode()).hexdigest()
@staticmethod
def _b64url(data: bytes) -> str:
return base64.urlsafe_b64encode(data).rstrip(b"=").decode()
@staticmethod
def _unb64url(data: str) -> bytes:
padding = 4 - len(data) % 4
if padding != 4:
data += "=" * padding
return base64.urlsafe_b64decode(data)
def _sign(self, payload_b64: str) -> str:
msg = f"{JWTAuth.HEADER}.{payload_b64}".encode()
sig = hmac_mod.new(self._secret.encode(), msg, hashlib.sha256).digest()
return self._b64url(sig)
def issue(self, user_id: str, role: str = "admin", expire_hours: int = 24) -> str:
"""签发 JWT Token"""
payload = {
"sub": user_id,
"role": role,
"iat": int(time.time()),
"exp": int(time.time()) + expire_hours * 3600,
}
payload_b64 = self._b64url(json.dumps(payload).encode())
signature = self._sign(payload_b64)
return f"{JWTAuth.HEADER}.{payload_b64}.{signature}"
def verify(self, token: str) -> Optional[dict]:
"""验证 JWT Token返回 payload 或 None"""
try:
parts = token.split(".")
if len(parts) != 3:
return None
header_b64, payload_b64, sig_b64 = parts
# 验签
expected_sig = self._sign(payload_b64)
if not hmac_mod.compare_digest(expected_sig, sig_b64):
return None
# 解码 payload
payload = json.loads(self._unb64url(payload_b64))
# 检查过期
if payload.get("exp", 0) < time.time():
return None
return payload
except Exception:
return None
@staticmethod
def extract_token(auth_header: str) -> Optional[str]:
"""从 Authorization 头提取 Bearer Token"""
if not auth_header or not auth_header.startswith("Bearer "):
return None
return auth_header[7:]
# ── 快捷方法 ──
_auth_instance: Optional[JWTAuth] = None
def get_jwt_auth() -> JWTAuth:
global _auth_instance
if _auth_instance is None:
_auth_instance = JWTAuth()
return _auth_instance
def issue_token(user_id: str, role: str = "admin") -> str:
return get_jwt_auth().issue(user_id, role)
def verify_token(token: str) -> Optional[dict]:
return get_jwt_auth().verify(token)

95
oss/core/security/tls.py Normal file
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"""HTTPS 支持 — 自签名证书生成 + TLS 上下文加载"""
import os
import datetime
from pathlib import Path
from typing import Optional
from cryptography import x509
from cryptography.x509.oid import NameOID
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.backends import default_backend
from oss.config import get_config
from oss.logger.logger import Log
class TLSManager:
"""TLS 证书管理"""
@staticmethod
def ensure_cert(cert_dir: str = None) -> tuple[str, str]:
"""确保证书存在,不存在则生成自签名证书
Returns:
(cert_path, key_path)
"""
config = get_config()
cert_dir = cert_dir or config.get("TLS_CERT_DIR", "./data/tls")
cert_path = Path(cert_dir) / "server.crt"
key_path = Path(cert_dir) / "server.key"
if cert_path.exists() and key_path.exists():
return str(cert_path), str(key_path)
Log.info("TLS", "生成自签名证书...")
cert_dir_path = Path(cert_dir)
cert_dir_path.mkdir(parents=True, exist_ok=True)
TLSManager._generate_self_signed(cert_path, key_path)
Log.ok("TLS", f"自签名证书已生成: {cert_path}")
return str(cert_path), str(key_path)
@staticmethod
def _generate_self_signed(cert_path: Path, key_path: Path):
"""生成自签名证书"""
key = rsa.generate_private_key(
public_exponent=65537, key_size=2048, backend=default_backend()
)
key_path.write_bytes(key.private_bytes(
serialization.Encoding.PEM,
serialization.PrivateFormat.TraditionalOpenSSL,
serialization.NoEncryption(),
))
subject = issuer = x509.Name([
x509.NameAttribute(NameOID.COUNTRY_NAME, "CN"),
x509.NameAttribute(NameOID.ORGANIZATION_NAME, "NebulaShell"),
x509.NameAttribute(NameOID.COMMON_NAME, "localhost"),
])
now = datetime.datetime.now(datetime.timezone.utc)
cert = (
x509.CertificateBuilder()
.subject_name(subject)
.issuer_name(issuer)
.public_key(key.public_key())
.serial_number(x509.random_serial_number())
.not_valid_before(now)
.not_valid_after(now + datetime.timedelta(days=365))
.add_extension(
x509.SubjectAlternativeName([
x509.DNSName("localhost"),
x509.DNSName("127.0.0.1"),
]),
critical=False,
)
.sign(key, hashes.SHA256(), default_backend())
)
cert_path.write_bytes(cert.public_bytes(serialization.Encoding.PEM))
@staticmethod
def create_ssl_context(cert_path: str = None, key_path: str = None) -> Optional[object]:
"""创建 SSL 上下文(用于 HTTPS 服务器)"""
try:
import ssl
cert, key = TLSManager.ensure_cert()
ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
ctx.load_cert_chain(
cert_path or cert,
key_path or key,
)
return ctx
except Exception as e:
Log.error("TLS", f"创建 SSL 上下文失败: {e}")
return None