mirror of
https://github.com/RhenCloud/Cloud-Index.git
synced 2025-12-06 07:06:41 +08:00
feat: 完整的 R2 文件管理系统初始化
- 实现 11 个 API 端点：上传、删除、重命名、复制、移动、创建文件夹等 - 构建存储抽象层，支持多后端（R2、S3、GitHub） - 添加完整的前端界面：列表/网格视图、文件操作、批量管理 - 添加深色/浅色主题支持 - 迁移至 Jinja2 模板继承架构 - 添加完整的 API 文档和项目文档 - 优化 Vercel 部署配置
This commit is contained in:
482
handlers/routes.py
Normal file
482
handlers/routes.py
Normal file
@@ -0,0 +1,482 @@
|
||||
import hashlib
|
||||
import os
|
||||
from datetime import datetime
|
||||
from typing import Any, Dict, List
|
||||
|
||||
from flask import (
|
||||
Blueprint,
|
||||
Response,
|
||||
abort,
|
||||
jsonify,
|
||||
redirect,
|
||||
render_template,
|
||||
request,
|
||||
)
|
||||
|
||||
from storages.factory import StorageFactory
|
||||
|
||||
main_route = Blueprint("main", __name__)
|
||||
|
||||
# 初始化存储（使用工厂模式）
|
||||
storage = StorageFactory.get_storage()
|
||||
|
||||
# 缩略图默认 TTL（秒），可通过环境变量覆盖
|
||||
THUMB_TTL = int(os.environ.get("THUMB_TTL_SECONDS", "3600"))
|
||||
|
||||
|
||||
def format_timestamp(timestamp) -> str:
|
||||
"""
|
||||
格式化时间戳为人类可读的格式
|
||||
"""
|
||||
return storage.format_timestamp(timestamp)
|
||||
|
||||
|
||||
def get_public_url(key: str) -> str:
|
||||
"""
|
||||
生成对象的公共访问 URL
|
||||
"""
|
||||
return storage.get_public_url(key)
|
||||
|
||||
|
||||
def get_file_url(key: str) -> str:
|
||||
"""生成通过服务器访问文件的 URL"""
|
||||
return f"/file/{key}"
|
||||
|
||||
|
||||
def build_file_entry(obj: Dict[str, Any], prefix: str) -> Dict[str, Any] | None:
|
||||
"""根据对象信息构建文件条目。"""
|
||||
key = obj.get("Key", "")
|
||||
if not key:
|
||||
return None
|
||||
|
||||
if prefix and key == prefix:
|
||||
return None
|
||||
|
||||
if key.endswith("/"):
|
||||
return None
|
||||
|
||||
rel_name = key[len(prefix) :] if prefix else key
|
||||
|
||||
entry: Dict[str, Any] = {
|
||||
"name": rel_name,
|
||||
"key": key,
|
||||
"size": obj.get("Size"),
|
||||
"last_modified": format_timestamp(obj.get("LastModified")),
|
||||
"is_dir": False,
|
||||
"file_url": get_file_url(key),
|
||||
}
|
||||
|
||||
public_url = get_public_url(key)
|
||||
if public_url:
|
||||
entry["public_url"] = public_url
|
||||
|
||||
presigned = storage.generate_presigned_url(key)
|
||||
if presigned:
|
||||
entry["presigned_url"] = presigned
|
||||
|
||||
return entry
|
||||
|
||||
|
||||
def build_directory_entry(
|
||||
prefix_value: str | None, current_prefix: str
|
||||
) -> Dict[str, Any] | None:
|
||||
"""根据前缀构建目录条目。"""
|
||||
if not prefix_value:
|
||||
return None
|
||||
|
||||
rel = (
|
||||
prefix_value[len(current_prefix) :].rstrip("/")
|
||||
if current_prefix
|
||||
else prefix_value.rstrip("/")
|
||||
)
|
||||
|
||||
return {"name": rel, "key": prefix_value, "is_dir": True}
|
||||
|
||||
|
||||
def build_entries(response: Dict[str, Any], prefix: str) -> List[Dict[str, Any]]:
|
||||
"""将存储响应转换为用于模板渲染的条目列表。"""
|
||||
entries: List[Dict[str, Any]] = []
|
||||
|
||||
for obj in response.get("Contents", []):
|
||||
entry = build_file_entry(obj, prefix)
|
||||
if entry:
|
||||
entries.append(entry)
|
||||
|
||||
for pref in response.get("CommonPrefixes", []):
|
||||
directory_entry = build_directory_entry(pref.get("Prefix"), prefix)
|
||||
if directory_entry:
|
||||
entries.append(directory_entry)
|
||||
|
||||
entries.sort(key=lambda x: (not x.get("is_dir", False), x["name"]))
|
||||
return entries
|
||||
|
||||
|
||||
def build_crumbs(prefix: str) -> List[Dict[str, str]]:
|
||||
"""根据当前前缀构建面包屑导航数据。"""
|
||||
crumbs: List[Dict[str, str]] = []
|
||||
if prefix:
|
||||
segs = prefix.rstrip("/").split("/")
|
||||
acc = ""
|
||||
for seg in segs:
|
||||
acc = acc + seg + "/"
|
||||
crumbs.append({"name": seg, "prefix": acc})
|
||||
return crumbs
|
||||
|
||||
|
||||
@main_route.route("/")
|
||||
def index():
|
||||
"""
|
||||
返回文件和目录列表的 HTML 页面。
|
||||
"""
|
||||
try:
|
||||
prefix = request.args.get("prefix", "") or ""
|
||||
|
||||
response = storage.list_objects(prefix)
|
||||
entries = build_entries(response, prefix)
|
||||
crumbs = build_crumbs(prefix)
|
||||
|
||||
return render_template(
|
||||
"index.html",
|
||||
entries=entries,
|
||||
current_prefix=prefix,
|
||||
crumbs=crumbs,
|
||||
current_year=datetime.now().year,
|
||||
)
|
||||
except Exception:
|
||||
abort(500)
|
||||
|
||||
|
||||
@main_route.route("/<path:prefix_path>")
|
||||
def browse(prefix_path):
|
||||
"""目录路由。将 URL /a/b 映射为 prefix 'a/b/' 并重用 index 的逻辑。"""
|
||||
try:
|
||||
prefix = prefix_path or ""
|
||||
if prefix and not prefix.endswith("/"):
|
||||
prefix = prefix + "/"
|
||||
|
||||
response = storage.list_objects(prefix)
|
||||
entries = build_entries(response, prefix)
|
||||
crumbs = build_crumbs(prefix)
|
||||
|
||||
return render_template(
|
||||
"index.html",
|
||||
entries=entries,
|
||||
current_prefix=prefix,
|
||||
crumbs=crumbs,
|
||||
current_year=datetime.now().year,
|
||||
)
|
||||
except Exception:
|
||||
abort(500)
|
||||
|
||||
|
||||
@main_route.route("/file/<path:file_path>")
|
||||
def serve_file(file_path):
|
||||
"""通过服务器提供文件访问"""
|
||||
try:
|
||||
# 获取文件的基本信息，验证文件存在并检查大小
|
||||
try:
|
||||
info = storage.get_object_info(file_path)
|
||||
except Exception:
|
||||
abort(404)
|
||||
|
||||
size = int(info.get("ContentLength", 0) or 0)
|
||||
limit = 6 * 1024 * 1024 # 6 MB
|
||||
|
||||
# 如果文件较大，避免通过 Serverless 函数传输，返回预签名 URL 的重定向
|
||||
if size > limit:
|
||||
presigned = storage.generate_presigned_url(file_path)
|
||||
if presigned:
|
||||
return redirect(presigned)
|
||||
# 如果没有预签名 URL，则返回 413（Payload Too Large）
|
||||
abort(413)
|
||||
|
||||
# 小文件：直接从存储获取并通过 Response 返回（流式）
|
||||
file_obj = storage.get_object(file_path)
|
||||
headers = {
|
||||
"Content-Type": file_obj.get("ContentType", "application/octet-stream"),
|
||||
"Content-Length": str(file_obj.get("ContentLength", 0)),
|
||||
}
|
||||
|
||||
return Response(
|
||||
file_obj["Body"].iter_chunks(), headers=headers, direct_passthrough=True
|
||||
)
|
||||
|
||||
except Exception:
|
||||
abort(500)
|
||||
|
||||
|
||||
@main_route.route("/thumb/<path:file_path>")
|
||||
def thumb(file_path):
|
||||
"""返回图片的缩略图，使用 Vercel Cache Headers 避免重复从 R2 拉取"""
|
||||
# 设置更长的缓存控制头以支持浏览器本地缓存
|
||||
cache_headers = {
|
||||
"Cache-Control": f"public, max-age={THUMB_TTL}",
|
||||
"ETag": f'W/"{hashlib.md5(file_path.encode("utf-8")).hexdigest()}"',
|
||||
}
|
||||
|
||||
# 先检查客户端是否已经有缓存版本
|
||||
etag = request.headers.get("If-None-Match")
|
||||
if etag and etag == cache_headers["ETag"]:
|
||||
return Response(status=304, headers=cache_headers)
|
||||
|
||||
# 从获取原始对象并生成缩略图
|
||||
try:
|
||||
# 对于较大的源文件，避免在函数内读取并处理，优先使用预签名 URL
|
||||
try:
|
||||
info = storage.get_object_info(file_path)
|
||||
except Exception:
|
||||
abort(404)
|
||||
|
||||
size = int(info.get("ContentLength", 0) or 0)
|
||||
limit = 6 * 1024 * 1024
|
||||
if size > limit:
|
||||
presigned = storage.generate_presigned_url(file_path)
|
||||
if presigned:
|
||||
return redirect(presigned)
|
||||
abort(413)
|
||||
|
||||
thumb_bytes = storage.generate_thumbnail(file_path)
|
||||
response = Response(thumb_bytes, mimetype="image/jpeg")
|
||||
response.headers.update(cache_headers)
|
||||
return response
|
||||
except Exception:
|
||||
abort(404)
|
||||
|
||||
|
||||
@main_route.route("/upload", methods=["POST"])
|
||||
def upload():
|
||||
"""上传文件到存储"""
|
||||
try:
|
||||
# 检查是否有文件
|
||||
if "file" not in request.files:
|
||||
return jsonify({"success": False, "error": "No file provided"}), 400
|
||||
|
||||
file = request.files["file"]
|
||||
|
||||
# 检查文件名
|
||||
if file.filename == "":
|
||||
return jsonify({"success": False, "error": "No file selected"}), 400
|
||||
|
||||
# 获取目标路径（可选）
|
||||
prefix = request.form.get("prefix", "")
|
||||
if prefix and not prefix.endswith("/"):
|
||||
prefix = prefix + "/"
|
||||
|
||||
# 构建完整的文件路径
|
||||
file_path = prefix + file.filename
|
||||
|
||||
# 读取文件数据
|
||||
file_data = file.read()
|
||||
|
||||
# 获取文件类型
|
||||
content_type = file.content_type
|
||||
|
||||
# 上传文件
|
||||
success = storage.upload_file(file_path, file_data, content_type)
|
||||
|
||||
if success:
|
||||
return jsonify(
|
||||
{
|
||||
"success": True,
|
||||
"message": "File uploaded successfully",
|
||||
"path": file_path,
|
||||
}
|
||||
)
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Upload failed"}), 500
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/delete/<path:file_path>", methods=["DELETE", "POST"])
|
||||
def delete(file_path):
|
||||
"""删除存储中的文件"""
|
||||
try:
|
||||
# 删除文件
|
||||
success = storage.delete_file(file_path)
|
||||
|
||||
if success:
|
||||
return jsonify({"success": True, "message": "File deleted successfully"})
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Delete failed"}), 500
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/rename/<path:old_key>", methods=["POST"])
|
||||
def rename(old_key):
|
||||
"""重命名存储中的文件"""
|
||||
try:
|
||||
data = request.get_json()
|
||||
new_name = data.get("newName")
|
||||
|
||||
if not new_name:
|
||||
return jsonify({"success": False, "error": "New name not provided"}), 400
|
||||
|
||||
# 构建新的文件路径
|
||||
prefix = os.path.dirname(old_key)
|
||||
if prefix:
|
||||
new_key = f"{prefix}/{new_name}"
|
||||
else:
|
||||
new_key = new_name
|
||||
|
||||
# 重命名文件
|
||||
success = storage.rename_file(old_key, new_key)
|
||||
|
||||
if success:
|
||||
return jsonify(
|
||||
{
|
||||
"success": True,
|
||||
"message": "File renamed successfully",
|
||||
"newKey": new_key,
|
||||
}
|
||||
)
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Rename failed"}), 500
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/delete_folder/<path:prefix>", methods=["DELETE"])
|
||||
def delete_folder_route(prefix):
|
||||
"""删除存储中的文件夹"""
|
||||
try:
|
||||
if not prefix.endswith("/"):
|
||||
prefix += "/"
|
||||
success = storage.delete_folder(prefix)
|
||||
if success:
|
||||
return jsonify({"success": True, "message": "Folder deleted successfully"})
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Folder delete failed"}), 500
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/rename_folder/<path:old_prefix>", methods=["POST"])
|
||||
def rename_folder_route(old_prefix):
|
||||
"""重命名存储中的文件夹"""
|
||||
try:
|
||||
data = request.get_json()
|
||||
new_name = data.get("newName")
|
||||
|
||||
if not new_name:
|
||||
return jsonify({"success": False, "error": "New name not provided"}), 400
|
||||
|
||||
if not old_prefix.endswith("/"):
|
||||
old_prefix += "/"
|
||||
|
||||
# 构建新的文件夹路径
|
||||
parent_prefix = os.path.dirname(os.path.dirname(old_prefix))
|
||||
if parent_prefix:
|
||||
new_prefix = f"{parent_prefix}/{new_name}/"
|
||||
else:
|
||||
new_prefix = f"{new_name}/"
|
||||
|
||||
success = storage.rename_folder(old_prefix, new_prefix)
|
||||
|
||||
if success:
|
||||
return jsonify(
|
||||
{
|
||||
"success": True,
|
||||
"message": "Folder renamed successfully",
|
||||
"newPrefix": new_prefix,
|
||||
}
|
||||
)
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Folder rename failed"}), 500
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/copy", methods=["POST"])
|
||||
def copy_item():
|
||||
"""复制文件或文件夹"""
|
||||
try:
|
||||
data = request.get_json()
|
||||
source = data.get("source")
|
||||
destination = data.get("destination")
|
||||
is_folder = data.get("is_folder", False)
|
||||
|
||||
if not source or not destination:
|
||||
return (
|
||||
jsonify(
|
||||
{"success": False, "error": "Source or destination not provided"}
|
||||
),
|
||||
400,
|
||||
)
|
||||
|
||||
if is_folder:
|
||||
if not source.endswith("/"):
|
||||
source += "/"
|
||||
if not destination.endswith("/"):
|
||||
destination += "/"
|
||||
success = storage.copy_folder(source, destination)
|
||||
else:
|
||||
success = storage.copy_file(source, destination)
|
||||
|
||||
if success:
|
||||
return jsonify({"success": True, "message": "Item copied successfully"})
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Copy failed"}), 500
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/move", methods=["POST"])
|
||||
def move_item():
|
||||
"""移动文件或文件夹"""
|
||||
try:
|
||||
data = request.get_json()
|
||||
source = data.get("source")
|
||||
destination = data.get("destination")
|
||||
is_folder = data.get("is_folder", False)
|
||||
|
||||
if not source or not destination:
|
||||
return (
|
||||
jsonify(
|
||||
{"success": False, "error": "Source or destination not provided"}
|
||||
),
|
||||
400,
|
||||
)
|
||||
|
||||
if is_folder:
|
||||
if not source.endswith("/"):
|
||||
source += "/"
|
||||
if not destination.endswith("/"):
|
||||
destination += "/"
|
||||
success = storage.rename_folder(source, destination)
|
||||
else:
|
||||
success = storage.rename_file(source, destination)
|
||||
|
||||
if success:
|
||||
return jsonify({"success": True, "message": "Item moved successfully"})
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Move failed"}), 500
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@main_route.route("/create_folder", methods=["POST"])
|
||||
def create_folder_route():
|
||||
"""创建文件夹"""
|
||||
try:
|
||||
data = request.get_json()
|
||||
path = data.get("path")
|
||||
|
||||
if not path:
|
||||
return jsonify({"success": False, "error": "Path not provided"}), 400
|
||||
|
||||
if not path.endswith("/"):
|
||||
path += "/"
|
||||
|
||||
success = storage.create_folder(path)
|
||||
|
||||
if success:
|
||||
return jsonify({"success": True, "message": "Folder created successfully"})
|
||||
else:
|
||||
return jsonify({"success": False, "error": "Folder creation failed"}), 500
|
||||
except Exception as e:
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
Reference in New Issue
Block a user