rag-gateway/app/api/__init__.py

import urllib
from urllib.parse import urlencode

import jwt
from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer
from passlib.context import CryptContext
from pydantic import BaseModel
from starlette import status
from starlette.websockets import WebSocket, WebSocketDisconnect

from app.models.user_model import UserModel
from app.service.auth import SECRET_KEY, ALGORITHM

app = FastAPI()

pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")


class Response(BaseModel):
    code: int = 200
    msg: str = ""
    data: dict = {}


class ResponseList(BaseModel):
    code: int = 200
    msg: str = ""
    data: list[dict] = []


def get_current_user(token: str = Depends(oauth2_scheme)):
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        username: str = payload.get("sub")
        if username is None:
            raise HTTPException(
                status_code=status.HTTP_401_UNAUTHORIZED,
                detail="无法验证凭证",
                headers={"WWW-Authenticate": "Bearer"},
            )
        user = UserModel(username=username, id=payload.get("user_id"))
        if user.id == 0:
            raise HTTPException(
                status_code=status.HTTP_401_UNAUTHORIZED,
                detail="用户不存在",
                headers={"WWW-Authenticate": "Bearer"},
            )
        return user
    except jwt.PyJWTError:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="令牌无效或已过期",
            headers={"WWW-Authenticate": "Bearer"},
        )


async def get_current_user_websocket(websocket: WebSocket):
    token = websocket.query_params.get('token')
    if token is None:
        await websocket.close(code=1008)
        raise WebSocketDisconnect(code=status.WS_1008_POLICY_VIOLATION)
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        username: str = payload.get("sub")
        if username is None:
            await websocket.close(code=1008)
            raise WebSocketDisconnect(code=status.WS_1008_POLICY_VIOLATION)
        user = UserModel(username=username, id=payload.get("user_id"))
        if user is None:
            await websocket.close(code=1008)
            raise WebSocketDisconnect(code=status.WS_1008_POLICY_VIOLATION)
        return user
    except jwt.PyJWTError as e:
        print(e)
        await websocket.close(code=1008)
        raise WebSocketDisconnect(code=status.WS_1008_POLICY_VIOLATION)


def format_file_url(agent_id: str, file_url: str, doc_id: str = None, doc_name: str = None) -> str:
    if file_url:
        # 对 file_url 进行 URL 编码
        encoded_file_url = urllib.parse.quote(file_url, safe=':/')
        return f"./api/files/download/?url={encoded_file_url}&agent_id={agent_id}"

    if doc_id:
        # 对 doc_id 和 doc_name 进行 URL 编码
        encoded_doc_id = urllib.parse.quote(doc_id, safe='')
        encoded_doc_name = urllib.parse.quote(doc_name, safe='')
        return f"./api/files/download/?doc_id={encoded_doc_id}&doc_name={encoded_doc_name}&agent_id={agent_id}"

    return file_url


def process_files(files, agent_id):
    """
    处理文件列表，格式化每个文件的 URL。

    :param files: 文件列表，每个文件是一个字典
    :param agent_id: 代理 ID
    """
    if not files:
        return  # 如果文件列表为空，直接返回

    for file in files:
        if "file_url" in file and file["file_url"]:
            try:
                file["file_url"] = format_file_url(agent_id, file["file_url"])
            except Exception as e:
                # 记录异常信息，但继续处理其他文件
                print(f"Error processing file URL: {e}")
if __name__=="__main__":

    files1 = [{"file_url": "aaa.com"}, {"file_url":"bbb.com"}]
    print(files1)

    process_files(files1,11111)
    print(files1)