open-webui/backend/open_webui/apps/webui/routers/files.py
Timothy J. Baek d4c42dcfa9 fix
2024-10-23 15:09:20 -07:00

313 lines
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import logging
import os
import uuid
from pathlib import Path
from typing import Optional
from pydantic import BaseModel
import mimetypes
from open_webui.storage.provider import Storage
from open_webui.apps.webui.models.files import (
FileForm,
FileModel,
FileModelResponse,
Files,
)
from open_webui.apps.retrieval.main import process_file, ProcessFileForm
from open_webui.config import UPLOAD_DIR
from open_webui.env import SRC_LOG_LEVELS
from open_webui.constants import ERROR_MESSAGES
from fastapi import APIRouter, Depends, File, HTTPException, UploadFile, status
from fastapi.responses import FileResponse, StreamingResponse
from open_webui.utils.utils import get_admin_user, get_verified_user
log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["MODELS"])
router = APIRouter()
############################
# Upload File
############################
@router.post("/")
def upload_file(file: UploadFile = File(...), user=Depends(get_verified_user)):
log.info(f"file.content_type: {file.content_type}")
try:
unsanitized_filename = file.filename
filename = os.path.basename(unsanitized_filename)
# replace filename with uuid
id = str(uuid.uuid4())
name = filename
filename = f"{id}_{filename}"
contents, file_path = Storage.upload_file(file.file, filename)
file_item = Files.insert_new_file(
user.id,
FileForm(
**{
"id": id,
"filename": filename,
"path": file_path,
"meta": {
"name": name,
"content_type": file.content_type,
"size": len(contents),
},
}
),
)
try:
process_file(ProcessFileForm(file_id=id))
file_item = Files.get_file_by_id(id=id)
except Exception as e:
log.exception(e)
log.error(f"Error processing file: {file_item.id}")
if file_item:
return file_item
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error uploading file"),
)
except Exception as e:
log.exception(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
############################
# List Files
############################
@router.get("/", response_model=list[FileModelResponse])
async def list_files(user=Depends(get_verified_user)):
if user.role == "admin":
files = Files.get_files()
else:
files = Files.get_files_by_user_id(user.id)
return files
############################
# Delete All Files
############################
@router.delete("/all")
async def delete_all_files(user=Depends(get_admin_user)):
result = Files.delete_all_files()
if result:
try:
Storage.delete_all_files()
except Exception as e:
log.exception(e)
log.error(f"Error deleting files")
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error deleting files"),
)
return {"message": "All files deleted successfully"}
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error deleting files"),
)
############################
# Get File By Id
############################
@router.get("/{id}", response_model=Optional[FileModel])
async def get_file_by_id(id: str, user=Depends(get_verified_user)):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
return file
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# Get File Data Content By Id
############################
@router.get("/{id}/data/content")
async def get_file_data_content_by_id(id: str, user=Depends(get_verified_user)):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
return {"content": file.data.get("content", "")}
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# Update File Data Content By Id
############################
class ContentForm(BaseModel):
content: str
@router.post("/{id}/data/content/update")
async def update_file_data_content_by_id(
id: str, form_data: ContentForm, user=Depends(get_verified_user)
):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
try:
process_file(ProcessFileForm(file_id=id, content=form_data.content))
file = Files.get_file_by_id(id=id)
except Exception as e:
log.exception(e)
log.error(f"Error processing file: {file.id}")
return {"content": file.data.get("content", "")}
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# Get File Content By Id
############################
@router.get("/{id}/content")
async def get_file_content_by_id(id: str, user=Depends(get_verified_user)):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
try:
file_path = Storage.get_file(file.path)
file_path = Path(file_path)
# Check if the file already exists in the cache
if file_path.is_file():
print(f"file_path: {file_path}")
headers = {
"Content-Disposition": f'attachment; filename="{file.meta.get("name", file.filename)}"'
}
return FileResponse(file_path, headers=headers)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
except Exception as e:
log.exception(e)
log.error(f"Error getting file content")
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error getting file content"),
)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
@router.get("/{id}/content/{file_name}")
async def get_file_content_by_id(id: str, user=Depends(get_verified_user)):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
file_path = file.path
if file_path:
file_path = Storage.get_file(file_path)
file_path = Path(file_path)
# Check if the file already exists in the cache
if file_path.is_file():
print(f"file_path: {file_path}")
headers = {
"Content-Disposition": f'attachment; filename="{file.meta.get("name", file.filename)}"'
}
return FileResponse(file_path, headers=headers)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
else:
# File path doesnt exist, return the content as .txt if possible
file_content = file.content.get("content", "")
file_name = file.filename
# Create a generator that encodes the file content
def generator():
yield file_content.encode("utf-8")
return StreamingResponse(
generator(),
media_type="text/plain",
headers={"Content-Disposition": f"attachment; filename={file_name}"},
)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# Delete File By Id
############################
@router.delete("/{id}")
async def delete_file_by_id(id: str, user=Depends(get_verified_user)):
file = Files.get_file_by_id(id)
if file and (file.user_id == user.id or user.role == "admin"):
result = Files.delete_file_by_id(id)
if result:
try:
Storage.delete_file(file.filename)
except Exception as e:
log.exception(e)
log.error(f"Error deleting files")
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error deleting files"),
)
return {"message": "File deleted successfully"}
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error deleting file"),
)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)