初始化提交

This commit is contained in:
chenxin committed 2026-08-21 16:00:13 +08:00
commit 887c1f449e
963 files changed
+166869

No files matched your search

@@ -0,0 +1,151 @@
"""沙箱文件预览 API。
通过此端点,前端可以读取沙箱中由工具写入的文件内容,实现源码/渲染双模式预览。
使用场景:
- write_file 写入 HTML 文件 → 前端 iframe 渲染预览
- write_file 写入 SVG → 前端 img 展示
- shell 生成图片/文档 → 前端按 MIME 类型渲染
- 任何工具的 stdout 生成的文件
安全约束:
- 用户必须经过 JWT 鉴权
- 路径由沙箱端校验(防逃逸)
- 可选 run_id/character_id 绑定授权上下文
"""
from __future__ import annotations
import base64
import mimetypes
from fastapi import APIRouter, Depends, HTTPException, Query
from starlette.responses import Response
from app.api.v1.deps import get_current_user, get_tool_runtime
from app.application.tool_runtime.runtime import ToolRuntime
from app.integrations.sandbox.exceptions import SandboxError, SandboxNotFound
from app.schemas.auth import CurrentUser
router = APIRouter(prefix="/sandbox", tags=["sandbox"])
@router.get("/file")
async def read_sandbox_file(
path: str = Query(
...,
description="文件路径。isolated=True 时视为工作区相对路径"
"(如 write_file 传入的 ``path`` 参数);"
"isolated=False 时作为沙箱 base 下的完整相对路径。",
),
run_id: str | None = Query(
None,
description="关联的 run_id(可选,写入授权上下文)。仅用于审计链路,不影响文件可读性。",
),
character_id: str | None = Query(
None,
description="人物 ID。提供时自动构造隔离工作区路径"
"(``workspace/<character_id>/<path>``),"
"与 write_file/shell 等工具的 isolated_workspace 路径一致。",
),
isolated: bool = Query(
True,
description="是否自动按 isolated_workspace 规则补全路径前缀。"
"write_file 写入的文件在 workspace/<character_id>/ 下,"
"传递 write_file 的 path 时保持 True 即可。",
),
runtime: ToolRuntime = Depends(get_tool_runtime),
_current_user: CurrentUser = Depends(get_current_user),
) -> Response:
"""读取沙箱内文件,以原始字节返回(MIME 类型由路径扩展名推导)。
前端根据 MIME 类型自行决定展示方式:
- ``text/html`` → iframe sandbox 渲染预览
- ``image/*`` → img 标签展示
- ``text/*`` → 源码高亮
- ``application/pdf`` → PDF 内嵌展示
- 其他 → 下载
路径安全:沙箱端会对路径做 canonicalize + starts_with(base) 校验,
防止目录穿越到沙箱 base 之外。
"""
# 1) 推导 MIME 类型
mime_type, _ = mimetypes.guess_type(path)
if mime_type is None:
mime_type = "application/octet-stream"
# 2) 从沙箱读取
try:
result = await runtime.read_sandbox_file(
path=path,
run_id=run_id,
character_id=character_id,
isolated=isolated,
)
except SandboxNotFound:
raise HTTPException(
status_code=404,
detail={"error": {"code": "file_not_found", "message": f"文件不存在: {path}"}},
) from None
except SandboxError as exc:
raise HTTPException(
status_code=502,
detail={
"error": {
"code": "sandbox_error",
"message": f"沙箱文件读取失败: {exc}",
}
},
) from None
# 3) base64url-no-pad → raw bytes
pad_len = -len(result.content_b64) % 4
content = base64.urlsafe_b64decode(result.content_b64 + "=" * pad_len)
return Response(content=content, media_type=mime_type)
@router.get("/files")
async def list_sandbox_files(
path: str = Query(
".",
description="目录路径。默认工作区根。",
),
run_id: str | None = Query(None, description="关联的 run_id(可选)"),
character_id: str | None = Query(
None,
description="人物 ID。提供时自动应用 isolated_workspace 隔离前缀。",
),
isolated: bool = Query(True, description="是否自动补全隔离前缀"),
runtime: ToolRuntime = Depends(get_tool_runtime),
_current_user: CurrentUser = Depends(get_current_user),
) -> list[dict[str, object]]:
"""列出沙箱工作区目录内容。
返回有序列表,每个条目含 ``name`` / ``kind``(``"file"`` | ``"dir"``)/ ``size``。
适用于前端文件浏览器导航。
"""
try:
entries = await runtime.list_sandbox_dir(
path=path,
run_id=run_id,
character_id=character_id,
isolated=isolated,
)
except SandboxNotFound:
raise HTTPException(
status_code=404,
detail={"error": {"code": "dir_not_found", "message": f"目录不存在: {path}"}},
) from None
except SandboxError as exc:
raise HTTPException(
status_code=502,
detail={
"error": {
"code": "sandbox_error",
"message": f"沙箱目录读取失败: {exc}",
}
},
) from None
return [{"name": e.name, "kind": e.kind, "size": e.size} for e in entries]