upload project source code

This commit is contained in:
2026-04-30 18:49:43 +08:00
commit 9b394ba682
2277 changed files with 660945 additions and 0 deletions

View File

@@ -0,0 +1 @@
# -*- coding: utf-8 -*-

View File

@@ -0,0 +1,280 @@
# -*- coding: utf-8 -*-
from fastapi import APIRouter, Body, Depends, Query, Request, UploadFile, Form
from fastapi.responses import JSONResponse, StreamingResponse, FileResponse
from app.common.response import StreamResponse, SuccessResponse
from app.common.request import PaginationService
from app.core.router_class import OperationLogRoute
from app.utils.common_util import bytes2file_response
from app.core.base_params import PaginationQueryParam
from app.core.dependencies import AuthPermission
from app.core.logger import log
from .service import ResourceService
from .schema import (
ResourceMoveSchema,
ResourceCopySchema,
ResourceRenameSchema,
ResourceCreateDirSchema,
ResourceSearchQueryParam
)
ResourceRouter = APIRouter(route_class=OperationLogRoute, prefix="/resource", tags=["资源管理"])
@ResourceRouter.get(
"/list",
summary="获取目录列表",
description="获取指定目录下的文件和子目录列表",
dependencies=[Depends(AuthPermission(["module_monitor:resource:query"]))]
)
async def get_directory_list_controller(
request: Request,
page: PaginationQueryParam = Depends(),
search: ResourceSearchQueryParam = Depends(),
) -> JSONResponse:
"""
获取目录列表
参数:
- request (Request): FastAPI请求对象用于获取基础URL。
- page (PaginationQueryParam): 分页查询参数模型。
- search (ResourceSearchQueryParam): 资源查询参数模型。
返回:
- JSONResponse: 包含目录列表的JSON响应。
"""
# 获取资源列表(与案例模块保持一致的分页实现)
result_dict_list = await ResourceService.get_resources_list_service(
search=search,
base_url=str(request.base_url)
)
# 使用分页服务进行分页处理(与案例模块保持一致)
result_dict = await PaginationService.paginate(
data_list=result_dict_list,
page_no=page.page_no,
page_size=page.page_size
)
log.info(f"获取目录列表成功: {getattr(search, 'name', None) or ''}")
return SuccessResponse(data=result_dict, msg="获取目录列表成功")
@ResourceRouter.post(
"/upload",
summary="上传文件",
description="上传文件到指定目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:upload"]))])
async def upload_file_controller(
file: UploadFile,
request: Request,
target_path: str | None = Form(None, description="目标目录路径")
) -> JSONResponse:
"""
上传文件
参数:
- file (UploadFile): 要上传的文件对象。
- request (Request): FastAPI请求对象用于获取基础URL。
- target_path (str | None): 目标目录路径默认为None。
返回:
- JSONResponse: 包含上传文件信息的JSON响应。
"""
result_dict = await ResourceService.upload_file_service(
file=file,
target_path=target_path,
base_url=str(request.base_url)
)
log.info(f"上传文件成功: {result_dict['filename']}")
return SuccessResponse(data=result_dict, msg="上传文件成功")
@ResourceRouter.get(
"/download",
summary="下载文件",
description="下载指定文件",
dependencies=[Depends(AuthPermission(["module_monitor:resource:download"]))]
)
async def download_file_controller(
request: Request,
path: str = Query(..., description="文件路径")
) -> FileResponse:
"""
下载文件
参数:
- request (Request): FastAPI请求对象用于获取基础URL。
- path (str): 文件路径。
返回:
- FileResponse: 包含文件内容的文件响应。
"""
file_path = await ResourceService.download_file_service(
file_path=path,
base_url=str(request.base_url)
)
# 获取文件名
import os
filename = os.path.basename(file_path)
log.info(f"下载文件成功: {filename}")
return FileResponse(
path=file_path,
filename=filename,
media_type='application/octet-stream'
)
@ResourceRouter.delete(
"/delete",
summary="删除文件",
description="删除指定文件或目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:delete"]))]
)
async def delete_files_controller(
paths: list[str] = Body(..., description="文件路径列表")
) -> JSONResponse:
"""
删除文件
参数:
- paths (list[str]): 文件路径列表。
返回:
- JSONResponse: 包含删除结果的JSON响应。
"""
await ResourceService.delete_file_service(paths=paths)
log.info(f"删除文件成功: {paths}")
return SuccessResponse(msg="删除文件成功")
@ResourceRouter.post(
"/move",
summary="移动文件",
description="移动文件或目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:move"]))]
)
async def move_file_controller(
data: ResourceMoveSchema
) -> JSONResponse:
"""
移动文件
参数:
- data (ResourceMoveSchema): 移动文件参数模型。
返回:
- JSONResponse: 包含移动结果的JSON响应。
"""
await ResourceService.move_file_service(data=data)
log.info(f"移动文件成功: {data.source_path} -> {data.target_path}")
return SuccessResponse(msg="移动文件成功")
@ResourceRouter.post(
"/copy",
summary="复制文件",
description="复制文件或目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:copy"]))]
)
async def copy_file_controller(
data: ResourceCopySchema
) -> JSONResponse:
"""
复制文件
参数:
- data (ResourceCopySchema): 复制文件参数模型。
返回:
- JSONResponse: 包含复制结果的JSON响应。
"""
await ResourceService.copy_file_service(data=data)
log.info(f"复制文件成功: {data.source_path} -> {data.target_path}")
return SuccessResponse(msg="复制文件成功")
@ResourceRouter.post(
"/rename",
summary="重命名文件",
description="重命名文件或目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:rename"]))]
)
async def rename_file_controller(
data: ResourceRenameSchema
) -> JSONResponse:
"""
重命名文件
参数:
- data (ResourceRenameSchema): 重命名文件参数模型。
返回:
- JSONResponse: 包含重命名结果的JSON响应。
"""
await ResourceService.rename_file_service(data=data)
log.info(f"重命名文件成功: {data.old_path} -> {data.new_name}")
return SuccessResponse(msg="重命名文件成功")
@ResourceRouter.post(
"/create-dir",
summary="创建目录",
description="在指定路径创建新目录",
dependencies=[Depends(AuthPermission(["module_monitor:resource:create_dir"]))]
)
async def create_directory_controller(
data: ResourceCreateDirSchema
) -> JSONResponse:
"""
创建目录
参数:
- data (ResourceCreateDirSchema): 创建目录参数模型。
返回:
- JSONResponse: 包含创建目录结果的JSON响应。
"""
await ResourceService.create_directory_service(data=data)
log.info(f"创建目录成功: {data.parent_path}/{data.dir_name}")
return SuccessResponse(msg="创建目录成功")
@ResourceRouter.post(
"/export",
summary="导出资源列表",
description="导出资源列表",
dependencies=[Depends(AuthPermission(["module_monitor:resource:export"]))]
)
async def export_resource_list_controller(
request: Request,
search: ResourceSearchQueryParam = Depends()
) -> StreamingResponse:
"""
导出资源列表
参数:
- request (Request): FastAPI请求对象用于获取基础URL。
- search (ResourceSearchQueryParam): 资源查询参数模型。
返回:
- StreamingResponse: 包含导出资源列表的流式响应。
"""
# 获取搜索结果
result_dict_list = await ResourceService.get_resources_list_service(
search=search,
base_url=str(request.base_url)
)
export_result = await ResourceService.export_resource_service(data_list=result_dict_list)
log.info("导出资源列表成功")
return StreamResponse(
data=bytes2file_response(export_result),
media_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
headers={
'Content-Disposition': 'attachment; filename=resource_list.xlsx'
}
)

View File

@@ -0,0 +1,156 @@
# -*- coding: utf-8 -*-
from datetime import datetime
from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
from urllib.parse import urlparse
from fastapi import Query
class ResourceItemSchema(BaseModel):
"""资源项目模型"""
model_config = ConfigDict(from_attributes=True)
name: str = Field(..., description="文件名")
file_url: str = Field(..., description="文件URL路径")
relative_path: str = Field(..., description="相对路径")
is_file: bool = Field(..., description="是否为文件")
is_dir: bool = Field(..., description="是否为目录")
size: int | None = Field(None, description="文件大小(字节)")
created_time: datetime | None = Field(None, description="创建时间")
modified_time: datetime | None = Field(None, description="修改时间")
is_hidden: bool = Field(False, description="是否为隐藏文件")
@field_validator('file_url')
@classmethod
def _validate_file_url(cls, v: str) -> str:
v = v.strip()
parsed = urlparse(v)
if parsed.scheme not in ('http', 'https'):
raise ValueError('文件URL必须为 http/https')
return v
@field_validator('relative_path')
@classmethod
def _validate_relative_path(cls, v: str) -> str:
v = v.strip()
if '..' in v or v.startswith('\\'):
raise ValueError('相对路径包含不安全字符')
return v
@model_validator(mode='after')
def _validate_flags(self):
if self.is_file and self.is_dir:
raise ValueError('不能同时为文件和目录')
if not self.is_file and not self.is_dir:
raise ValueError('必须是文件或目录之一')
# 根据名称自动修正隐藏标记
self.is_hidden = self.name.startswith('.')
return self
class ResourceDirectorySchema(BaseModel):
"""资源目录模型"""
model_config = ConfigDict(from_attributes=True)
path: str = Field(..., description="目录路径")
name: str = Field(..., description="目录名称")
items: list[ResourceItemSchema] = Field(default_factory=list, description="目录项")
total_files: int = Field(0, description="文件总数")
total_dirs: int = Field(0, description="目录总数")
total_size: int = Field(0, description="总大小")
class ResourceUploadSchema(BaseModel):
"""资源上传响应模型"""
model_config = ConfigDict(from_attributes=True)
filename: str = Field(..., description="文件名")
file_url: str = Field(..., description="访问URL")
file_size: int = Field(..., description="文件大小")
upload_time: datetime = Field(..., description="上传时间")
class ResourceMoveSchema(BaseModel):
"""资源移动模型"""
model_config = ConfigDict(from_attributes=True)
source_path: str = Field(..., description="源路径")
target_path: str = Field(..., description="目标路径")
overwrite: bool = Field(False, description="是否覆盖")
@field_validator('source_path', 'target_path')
@classmethod
def validate_paths(cls, value: str):
if not value or len(value.strip()) == 0:
raise ValueError("路径不能为空")
return value.strip()
class ResourceCopySchema(ResourceMoveSchema):
"""资源复制模型"""
pass
class ResourceRenameSchema(BaseModel):
"""资源重命名模型"""
model_config = ConfigDict(from_attributes=True)
old_path: str = Field(..., description="原路径")
new_name: str = Field(..., description="新名称")
@field_validator('old_path', 'new_name')
@classmethod
def validate_inputs(cls, value: str):
if not value or len(value.strip()) == 0:
raise ValueError("参数不能为空")
return value.strip()
@field_validator('new_name')
@classmethod
def _validate_new_name(cls, v: str) -> str:
v = v.strip()
if '..' in v or '/' in v or '\\' in v:
raise ValueError('新名称包含不安全字符')
return v
class ResourceCreateDirSchema(BaseModel):
"""创建目录模型"""
model_config = ConfigDict(from_attributes=True)
parent_path: str = Field(..., description="父目录路径")
dir_name: str = Field(..., description="目录名称", max_length=255)
@field_validator('parent_path', 'dir_name')
@classmethod
def validate_inputs(cls, value: str, info):
# 对于parent_path允许为空字符串表示根目录或 '/',其他情况必须非空
if info.field_name == 'parent_path':
# 允许空字符串或 '/' 表示根目录
if value is None:
raise ValueError("参数不能为空")
# 对于parent_path仍然严格检查路径遍历
if '..' in value or value.startswith('\\'):
raise ValueError("参数包含不安全字符")
else: # 对于dir_name仍然严格检查
if not value or len(value.strip()) == 0:
raise ValueError("参数不能为空")
if '..' in value or value.startswith('/') or value.startswith('\\'):
raise ValueError("参数包含不安全字符")
return value.strip()
class ResourceSearchQueryParam:
"""资源搜索查询参数"""
def __init__(
self,
name: str | None = Query(None, description="搜索关键词"),
path: str | None = Query(None, description="目录路径"),
) -> None:
# 模糊查询字段
self.name = ("like", name) if name else None
# 精确查询字段
self.path = path

View File

@@ -0,0 +1,826 @@
# -*- coding: utf-8 -*-
import os
import shutil
from datetime import datetime
from pathlib import Path
from urllib.parse import urlparse
from fastapi import UploadFile
from app.core.exceptions import CustomException
from app.core.logger import log
from app.utils.excel_util import ExcelUtil
from app.config.setting import settings
from .schema import (
ResourceItemSchema,
ResourceDirectorySchema,
ResourceUploadSchema,
ResourceMoveSchema,
ResourceCopySchema,
ResourceRenameSchema,
ResourceCreateDirSchema,
ResourceSearchQueryParam
)
class ResourceService:
"""
资源管理模块服务层 - 管理系统静态文件目录
"""
# 配置常量
MAX_UPLOAD_SIZE = 100 * 1024 * 1024 # 100MB
MAX_SEARCH_RESULTS = 1000 # 最大搜索结果数
MAX_PATH_DEPTH = 20 # 最大路径深度
@classmethod
def _get_resource_root(cls) -> str:
"""
获取资源管理根目录
返回:
- str: 资源管理根目录路径。
"""
if not settings.STATIC_ENABLE:
raise CustomException(msg='静态文件服务未启用')
return str(settings.STATIC_ROOT)
@classmethod
def _get_safe_path(cls, path: str | None = None) -> str:
"""
获取安全的文件路径
参数:
- path (str | None): 原始文件路径。
返回:
- str: 安全的文件路径。
"""
resource_root = cls._get_resource_root()
if not path:
return resource_root
# 支持前端传递的完整URL或以STATIC_URL/ROOT_PATH+STATIC_URL开头的URL路径转换为相对资源路径
if isinstance(path, str):
static_prefix = settings.STATIC_URL.rstrip('/')
root_prefix = settings.ROOT_PATH.rstrip('/') if getattr(settings, 'ROOT_PATH', '') else ''
root_static_prefix = f"{root_prefix}{static_prefix}" if root_prefix else static_prefix
def strip_prefix(p: str) -> str:
if p.startswith(root_static_prefix):
return p[len(root_static_prefix):].lstrip('/')
if p.startswith(static_prefix):
return p[len(static_prefix):].lstrip('/')
return p
if path.startswith('http://') or path.startswith('https://'):
parsed = urlparse(path)
url_path = parsed.path or ''
path = strip_prefix(url_path)
else:
path = strip_prefix(path)
# 清理路径,移除危险字符
path = path.strip().replace('..', '').replace('//', '/')
# 规范化路径
if os.path.isabs(path):
safe_path = os.path.normpath(path)
else:
safe_path = os.path.normpath(os.path.join(resource_root, path))
# 检查路径是否在允许的范围内
resource_root_abs = os.path.normpath(os.path.abspath(resource_root))
safe_path_abs = os.path.normpath(os.path.abspath(safe_path))
if not safe_path_abs.startswith(resource_root_abs):
raise CustomException(msg=f'访问路径不在允许范围内: {path}')
# 防止路径遍历攻击
if '..' in safe_path or safe_path.count('/') > cls.MAX_PATH_DEPTH:
raise CustomException(msg=f'不安全的路径格式: {path}')
return safe_path
@classmethod
def _path_exists(cls, path: str) -> bool:
"""
检查路径是否存在
参数:
- path (str): 要检查的路径。
返回:
- bool: 如果路径存在则返回True否则返回False。
"""
try:
safe_path = cls._get_safe_path(path)
return os.path.exists(safe_path)
except:
return False
@classmethod
def _generate_http_url(cls, file_path: str, base_url: str | None = None) -> str:
"""
生成文件的HTTP URL
参数:
- file_path (str): 文件的绝对路径。
- base_url (str | None): 基础URL用于生成完整URL。
返回:
- str: 文件的HTTP URL。
"""
resource_root = cls._get_resource_root()
try:
relative_path = os.path.relpath(file_path, resource_root)
# 确保路径使用正斜杠URL格式
url_path = relative_path.replace(os.sep, '/')
except ValueError:
# 如果无法计算相对路径,使用文件名
url_path = os.path.basename(file_path)
# 如果提供了base_url使用它生成完整URL否则使用settings.STATIC_URL
if base_url:
# 修复URL生成逻辑
base_part = base_url.rstrip('/')
static_part = settings.STATIC_URL.lstrip('/')
file_part = url_path.lstrip('/')
if base_part.endswith(':') or (len(base_part) > 0 and base_part[-1] not in ['/', ':']):
base_part += '/'
http_url = f"{base_part}{static_part}/{file_part}".replace('//', '/').replace(':/', '://')
else:
http_url = f"{settings.STATIC_URL}/{url_path}".replace('//', '/')
return http_url
@classmethod
def _get_file_info(cls, file_path: str, base_url: str | None = None) -> dict:
"""
获取文件或目录的详细信息如名称、大小、创建时间、修改时间、路径、深度、HTTP URL、是否隐藏、是否为目录等。
参数:
- file_path (str): 文件或目录的路径。
- base_url (str | None): 基础URL用于生成完整URL。
返回:
- dict: 文件或目录的详细信息字典。
"""
try:
safe_path = cls._get_safe_path(file_path)
if not os.path.exists(safe_path):
return {}
stat = os.stat(safe_path)
path_obj = Path(safe_path)
resource_root = cls._get_resource_root()
# 计算相对路径
try:
relative_path = os.path.relpath(safe_path, resource_root)
except ValueError:
relative_path = os.path.basename(safe_path)
# 计算深度
try:
depth = len(Path(safe_path).relative_to(resource_root).parts)
except ValueError:
depth = 0
# 生成HTTP URL路径而不是文件系统路径
http_url = cls._generate_http_url(safe_path, base_url)
# 检查是否为隐藏文件(文件名以点开头)
is_hidden = path_obj.name.startswith('.')
# 对于目录设置is_directory字段兼容前端
is_directory = os.path.isdir(safe_path)
# 将datetime对象转换为ISO格式的字符串确保JSON序列化成功
created_time = datetime.fromtimestamp(stat.st_ctime).isoformat()
modified_time = datetime.fromtimestamp(stat.st_mtime).isoformat()
return {
'name': path_obj.name,
'file_url': http_url, # 统一使用file_url字段
'relative_path': relative_path,
'is_file': os.path.isfile(safe_path),
'is_dir': is_directory,
'size': stat.st_size if os.path.isfile(safe_path) else None,
'created_time': created_time,
'modified_time': modified_time,
'is_hidden': is_hidden
}
except Exception as e:
log.error(f'获取文件信息失败: {str(e)}')
return {}
@classmethod
async def get_directory_list_service(cls, path: str | None = None, include_hidden: bool = False, base_url: str | None = None) -> dict:
"""
获取目录列表
参数:
- path (str | None): 目录路径。如果未指定,将使用静态文件根目录。
- include_hidden (bool): 是否包含隐藏文件。
- base_url (str | None): 基础URL用于生成完整URL。
返回:
- dict: 包含目录列表和统计信息的字典。
"""
try:
# 如果没有指定路径,使用静态文件根目录
if path is None:
safe_path = cls._get_resource_root()
display_path = cls._generate_http_url(safe_path, base_url)
else:
safe_path = cls._get_safe_path(path)
display_path = cls._generate_http_url(safe_path, base_url)
if not os.path.exists(safe_path):
raise CustomException(msg='目录不存在')
if not os.path.isdir(safe_path):
raise CustomException(msg='路径不是目录')
items = []
total_files = 0
total_dirs = 0
total_size = 0
try:
for item_name in os.listdir(safe_path):
# 跳过隐藏文件
if not include_hidden and item_name.startswith('.'):
continue
item_path = os.path.join(safe_path, item_name)
file_info = cls._get_file_info(item_path, base_url)
if file_info:
items.append(ResourceItemSchema(**file_info))
if file_info['is_file']:
total_files += 1
total_size += file_info.get('size', 0) or 0
elif file_info['is_dir']:
total_dirs += 1
except PermissionError:
raise CustomException(msg='没有权限访问此目录')
return ResourceDirectorySchema(
path=display_path, # 返回HTTP URL路径而不是文件系统路径
name=os.path.basename(safe_path),
items=items,
total_files=total_files,
total_dirs=total_dirs,
total_size=total_size
).model_dump()
except CustomException:
raise
except Exception as e:
log.error(f'获取目录列表失败: {str(e)}')
raise CustomException(msg=f'获取目录列表失败: {str(e)}')
@classmethod
async def get_resources_list_service(cls, search: ResourceSearchQueryParam | None = None, order_by: str | None = None, base_url: str | None = None) -> list[dict]:
"""
搜索资源列表(用于分页和导出)
参数:
- search (ResourceSearchQueryParam | None): 查询参数模型。
- order_by (str | None): 排序参数。
- base_url (str | None): 基础URL用于生成完整URL。
返回:
- list[dict]: 资源详情字典列表。
"""
try:
# 确定搜索路径
if search and hasattr(search, 'path') and search.path:
resource_root = cls._get_safe_path(search.path)
else:
resource_root = cls._get_resource_root()
# 检查路径是否存在
if not os.path.exists(resource_root):
raise CustomException(msg='目录不存在')
if not os.path.isdir(resource_root):
raise CustomException(msg='路径不是目录')
# 收集资源
all_resources = []
try:
for item_name in os.listdir(resource_root):
# 跳过隐藏文件
if item_name.startswith('.'):
continue
item_path = os.path.join(resource_root, item_name)
file_info = cls._get_file_info(item_path, base_url)
if file_info:
# 应用名称过滤
if search and hasattr(search, 'name') and search.name and search.name[1]:
search_keyword = search.name[1].lower()
if search_keyword not in file_info.get('name', '').lower():
continue
all_resources.append(file_info)
except PermissionError:
raise CustomException(msg='没有权限访问此目录')
# 应用排序
sorted_resources = cls._sort_results(all_resources, order_by)
# 限制最大结果数
if len(sorted_resources) > cls.MAX_SEARCH_RESULTS:
sorted_resources = sorted_resources[:cls.MAX_SEARCH_RESULTS]
return sorted_resources
except Exception as e:
log.error(f'搜索资源失败: {str(e)}')
raise CustomException(msg=f'搜索资源失败: {str(e)}')
@classmethod
async def export_resource_service(cls, data_list: list[dict]) -> bytes:
"""
导出资源列表
参数:
- data_list (list[dict]): 资源详情字典列表。
返回:
- bytes: Excel文件的二进制数据。
"""
mapping_dict = {
'name': '文件名',
'path': '文件路径',
'size': '文件大小',
'created_time': '创建时间',
'modified_time': '修改时间',
'parent_path': '父目录'
}
# 复制数据并转换状态
export_data = data_list.copy()
# 格式化文件大小
for item in export_data:
if item.get('size'):
item['size'] = cls._format_file_size(item['size'])
return ExcelUtil.export_list2excel(list_data=export_data, mapping_dict=mapping_dict)
@classmethod
async def _get_directory_stats(cls, path: str, include_hidden: bool = False) -> dict[str, int]:
"""
递归获取目录统计信息
参数:
- path (str): 目录路径。
- include_hidden (bool): 是否包含隐藏文件。
返回:
- dict[str, int]: 包含文件数、目录数和总大小的字典。
"""
stats = {'files': 0, 'dirs': 0, 'size': 0}
try:
for root, dirs, files in os.walk(path):
# 过滤隐藏目录
if not include_hidden:
dirs[:] = [d for d in dirs if not d.startswith('.')]
files = [f for f in files if not f.startswith('.')]
stats['dirs'] += len(dirs)
stats['files'] += len(files)
for file in files:
file_path = os.path.join(root, file)
try:
stats['size'] += os.path.getsize(file_path)
except (OSError, IOError):
continue
except Exception:
pass
return stats
@classmethod
def _sort_results(cls, results: list[dict], order_by: str | None = None) -> list[dict]:
"""
排序搜索结果
参数:
- results (list[dict]): 资源详情字典列表。
- order_by (str | None): 排序参数。
返回:
- list[dict]: 排序后的资源详情字典列表。
"""
try:
# 默认按名称升序排序
if not order_by:
return sorted(results, key=lambda x: x.get('name', ''), reverse=False)
# 解析order_by参数格式: [{'field':'asc/desc'}]
try:
sort_conditions = eval(order_by)
if isinstance(sort_conditions, list):
# 构建排序键函数
def sort_key(item):
keys = []
for cond in sort_conditions:
field = cond.get('field', 'name')
direction = cond.get('direction', 'asc')
# 获取字段值,默认为空字符串
value = item.get(field, '')
# 如果是日期字段,转换为可比较的格式
if field in ['created_time', 'modified_time', 'accessed_time'] and value:
value = datetime.fromisoformat(value)
keys.append(value)
return keys
# 确定排序方向(这里只支持单一方向,多个条件时使用第一个条件的方向)
reverse = False
if sort_conditions and isinstance(sort_conditions[0], dict):
direction = sort_conditions[0].get('direction', '').lower()
reverse = direction == 'desc'
return sorted(results, key=sort_key, reverse=reverse)
except:
# 如果解析失败,使用默认排序
pass
return sorted(results, key=lambda x: x.get('name', ''), reverse=False)
except:
return results
@classmethod
async def upload_file_service(cls, file: UploadFile, target_path: str | None = None, base_url: str | None = None) -> dict:
"""
上传文件到指定目录
参数:
- file (UploadFile): 上传的文件对象。
- target_path (str | None): 目标目录路径。
- base_url (str | None): 基础URL用于生成完整URL。
返回:
- dict: 包含文件信息的字典。
"""
if not file or not file.filename:
raise CustomException(msg="请选择要上传的文件")
# 文件名安全检查
if '..' in file.filename or '/' in file.filename or '\\' in file.filename:
raise CustomException(msg="文件名包含不安全字符")
try:
# 检查文件大小
content = await file.read()
if len(content) > cls.MAX_UPLOAD_SIZE:
raise CustomException(msg=f"文件太大,最大支持{cls.MAX_UPLOAD_SIZE // (1024*1024)}MB")
# 确定上传目录,如果没有指定目标路径,使用静态文件根目录
if target_path is None:
safe_dir = cls._get_resource_root()
else:
safe_dir = cls._get_safe_path(target_path)
# 创建目录(如果不存在)
os.makedirs(safe_dir, exist_ok=True)
# 生成文件路径
filename = file.filename
file_path = os.path.join(safe_dir, filename)
# 检查文件是否已存在
if os.path.exists(file_path):
# 生成唯一文件名
base_name, ext = os.path.splitext(filename)
counter = 1
while os.path.exists(file_path):
new_filename = f"{base_name}_{counter}{ext}"
file_path = os.path.join(safe_dir, new_filename)
counter += 1
filename = os.path.basename(file_path)
# 保存文件(使用已读取的内容)
with open(file_path, 'wb') as f:
f.write(content)
# 获取文件信息
file_info = cls._get_file_info(file_path, base_url)
# 生成文件URL
file_url = cls._generate_http_url(file_path, base_url)
log.info(f"文件上传成功: {filename}")
return ResourceUploadSchema(
filename=filename,
file_url=file_url,
file_size=file_info.get('size', 0),
upload_time=datetime.now()
).model_dump(mode='json')
except Exception as e:
log.error(f"文件上传失败: {str(e)}")
raise CustomException(msg=f"文件上传失败: {str(e)}")
@classmethod
async def download_file_service(cls, file_path: str, base_url: str | None = None) -> str:
"""
下载文件(返回本地文件系统路径)
参数:
- file_path (str): 文件路径可为相对路径、绝对路径或完整URL
- base_url (str | None): 基础URL用于生成完整URL不再直接返回URL
返回:
- str: 本地文件系统路径。
"""
try:
safe_path = cls._get_safe_path(file_path)
if not os.path.exists(safe_path):
raise CustomException(msg='文件不存在')
if not os.path.isfile(safe_path):
raise CustomException(msg='路径不是文件')
# 返回本地文件路径给 FileResponse 使用
log.info(f"定位文件路径: {safe_path}")
return safe_path
except CustomException:
raise
except Exception as e:
log.error(f"下载文件失败: {str(e)}")
raise CustomException(msg=f"下载文件失败: {str(e)}")
@classmethod
async def delete_file_service(cls, paths: list[str]) -> None:
"""
删除文件或目录
参数:
- paths (list[str]): 文件或目录路径列表。
返回:
- None
"""
if not paths:
raise CustomException(msg='删除失败,删除路径不能为空')
for path in paths:
try:
safe_path = cls._get_safe_path(path)
if not os.path.exists(safe_path):
log.error(f"路径不存在,跳过: {path}")
continue
if os.path.isfile(safe_path):
os.remove(safe_path)
log.info(f"删除文件成功: {safe_path}")
elif os.path.isdir(safe_path):
shutil.rmtree(safe_path)
log.info(f"删除目录成功: {safe_path}")
except Exception as e:
log.error(f"删除失败 {path}: {str(e)}")
raise CustomException(msg=f"删除失败 {path}: {str(e)}")
@classmethod
async def batch_delete_service(cls, paths: list[str]) -> dict[str, list[str]]:
"""
批量删除文件或目录
参数:
- paths (List[str]): 文件或目录路径列表。
返回:
- Dict[str, List[str]]: 包含成功删除路径和失败删除路径的字典。
"""
if not paths:
raise CustomException(msg='删除失败,删除路径不能为空')
success_paths = []
failed_paths = []
for path in paths:
try:
safe_path = cls._get_safe_path(path)
if not os.path.exists(safe_path):
failed_paths.append(path)
continue
if os.path.isfile(safe_path):
os.remove(safe_path)
success_paths.append(path)
log.info(f"删除文件成功: {safe_path}")
elif os.path.isdir(safe_path):
shutil.rmtree(safe_path)
success_paths.append(path)
log.info(f"删除目录成功: {safe_path}")
except Exception as e:
log.error(f"删除失败 {path}: {str(e)}")
failed_paths.append(path)
return {
"success": success_paths,
"failed": failed_paths
}
@classmethod
async def move_file_service(cls, data: ResourceMoveSchema) -> None:
"""
移动文件或目录
参数:
- data (ResourceMoveSchema): 包含源路径和目标路径的模型。
返回:
- None
"""
try:
source_path = cls._get_safe_path(data.source_path)
target_path = cls._get_safe_path(data.target_path)
if not os.path.exists(source_path):
raise CustomException(msg='源路径不存在')
# 检查目标路径是否已存在
if os.path.exists(target_path):
if not data.overwrite:
raise CustomException(msg='目标路径已存在')
else:
# 删除目标路径
if os.path.isfile(target_path):
os.remove(target_path)
else:
shutil.rmtree(target_path)
# 确保目标目录存在
target_dir = os.path.dirname(target_path)
os.makedirs(target_dir, exist_ok=True)
# 移动文件
shutil.move(source_path, target_path)
log.info(f"移动成功: {source_path} -> {target_path}")
except CustomException:
raise
except Exception as e:
log.error(f"移动失败: {str(e)}")
raise CustomException(msg=f"移动失败: {str(e)}")
@classmethod
async def copy_file_service(cls, data: ResourceCopySchema) -> None:
"""
复制文件或目录
参数:
- data (ResourceCopySchema): 包含源路径和目标路径的模型。
返回:
- None
"""
try:
source_path = cls._get_safe_path(data.source_path)
target_path = cls._get_safe_path(data.target_path)
if not os.path.exists(source_path):
raise CustomException(msg='源路径不存在')
# 检查目标路径是否已存在
if os.path.exists(target_path) and not data.overwrite:
raise CustomException(msg='目标路径已存在')
# 确保目标目录存在
target_dir = os.path.dirname(target_path)
os.makedirs(target_dir, exist_ok=True)
# 复制文件或目录
if os.path.isfile(source_path):
shutil.copy2(source_path, target_path)
else:
shutil.copytree(source_path, target_path, dirs_exist_ok=data.overwrite)
log.info(f"复制成功: {source_path} -> {target_path}")
except CustomException:
raise
except Exception as e:
log.error(f"复制失败: {str(e)}")
raise CustomException(msg=f"复制失败: {str(e)}")
@classmethod
async def rename_file_service(cls, data: ResourceRenameSchema) -> None:
"""
重命名文件或目录
参数:
- data (ResourceRenameSchema): 包含旧路径和新名称的模型。
返回:
- None
"""
try:
old_path = cls._get_safe_path(data.old_path)
if not os.path.exists(old_path):
raise CustomException(msg='文件或目录不存在')
# 生成新路径
parent_dir = os.path.dirname(old_path)
new_path = os.path.join(parent_dir, data.new_name)
if os.path.exists(new_path):
raise CustomException(msg='目标名称已存在')
# 重命名
os.rename(old_path, new_path)
log.info(f"重命名成功: {old_path} -> {new_path}")
except CustomException:
raise
except Exception as e:
log.error(f"重命名失败: {str(e)}")
raise CustomException(msg=f"重命名失败: {str(e)}")
@classmethod
async def create_directory_service(cls, data: ResourceCreateDirSchema) -> None:
"""
创建目录
参数:
- data (ResourceCreateDirSchema): 包含父目录路径和目录名称的模型。
返回:
- None
"""
try:
parent_path = cls._get_safe_path(data.parent_path)
if not os.path.exists(parent_path):
raise CustomException(msg='父目录不存在')
if not os.path.isdir(parent_path):
raise CustomException(msg='父路径不是目录')
# 生成新目录路径
new_dir_path = os.path.join(parent_path, data.dir_name)
# 安全检查:确保新目录名称不包含路径遍历字符
if '..' in data.dir_name or '/' in data.dir_name or '\\' in data.dir_name:
raise CustomException(msg='目录名称包含不安全字符')
if os.path.exists(new_dir_path):
raise CustomException(msg='目录已存在')
# 创建目录
os.makedirs(new_dir_path)
log.info(f"创建目录成功: {new_dir_path}")
except CustomException:
raise
except Exception as e:
log.error(f"创建目录失败: {str(e)}")
raise CustomException(msg=f"创建目录失败: {str(e)}")
@classmethod
def _format_file_size(cls, size_bytes: int) -> str:
"""
格式化文件大小
参数:
- size_bytes (int): 文件大小(字节)
返回:
- str: 格式化后的文件大小字符串(例如:"123.45MB"
"""
if size_bytes == 0:
return "0B"
size_names = ["B", "KB", "MB", "GB", "TB"]
i = 0
while size_bytes >= 1024 and i < len(size_names) - 1:
size_bytes = int(size_bytes / 1024)
i += 1
return f"{size_bytes:.2f}{size_names[i]}"