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import logging
import os
import uuid
from pathlib import Path
from typing import Optional
from urllib.parse import quote
from fastapi import APIRouter, Depends, File, HTTPException, Request, UploadFile, status
from fastapi.responses import FileResponse, StreamingResponse
from open_webui.constants import ERROR_MESSAGES
from open_webui.env import SRC_LOG_LEVELS
from open_webui.models.files import (
FileForm,
FileModel,
FileModelResponse,
Files,
)
from open_webui.routers.retrieval import ProcessFileForm, process_file
from open_webui.storage.provider import Storage
from open_webui.utils.auth import get_admin_user, get_verified_user
from pydantic import BaseModel
log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["MODELS"])
router = APIRouter()
############################
# Upload File
############################
@router.post("/", response_model=FileModelResponse)
def upload_file(
request: Request,
file: UploadFile = File(...),
user=Depends(get_verified_user),
file_metadata: dict = {},
):
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": name,
"path": file_path,
"meta": {
"name": name,
"content_type": file.content_type,
"size": len(contents),
"data": file_metadata,
},
}
),
)
try:
process_file(request, ProcessFileForm(file_id=id), user=user)
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}")
file_item = FileModelResponse(
**{
**file_item.model_dump(),
"error": str(e.detail) if hasattr(e, "detail") else str(e),
}
)
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("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(
request: Request, 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(
request,
ProcessFileForm(file_id=id, content=form_data.content),
user=user,
)
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():
# Handle Unicode filenames
filename = file.meta.get("name", file.filename)
encoded_filename = quote(filename) # RFC5987 encoding
content_type = file.meta.get("content_type")
filename = file.meta.get("name", file.filename)
encoded_filename = quote(filename)
headers = {}
if content_type == "application/pdf" or filename.lower().endswith(
".pdf"
):
headers["Content-Disposition"] = (
f"inline; filename*=UTF-8''{encoded_filename}"
)
content_type = "application/pdf"
elif content_type != "text/plain":
headers["Content-Disposition"] = (
f"attachment; filename*=UTF-8''{encoded_filename}"
)
return FileResponse(file_path, headers=headers, media_type=content_type)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
except Exception as e:
log.exception(e)
log.error("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/html")
async def get_html_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}")
return FileResponse(file_path)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
except Exception as e:
log.exception(e)
log.error("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
# Handle Unicode filenames
filename = file.meta.get("name", file.filename)
encoded_filename = quote(filename) # RFC5987 encoding
headers = {
"Content-Disposition": f"attachment; filename*=UTF-8''{encoded_filename}"
}
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():
return FileResponse(file_path, headers=headers)
else:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=ERROR_MESSAGES.NOT_FOUND,
)
else:
# File path doesn’t 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=headers,
)
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"):
# We should add Chroma cleanup here
result = Files.delete_file_by_id(id)
if result:
try:
Storage.delete_file(file.path)
except Exception as e:
log.exception(e)
log.error("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,
)
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