Mawoka
264 lines
10 KiB
Python
264 lines
10 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at https://mozilla.org/MPL/2.0/.
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from datetime import datetime, timedelta
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from tempfile import SpooledTemporaryFile
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from fastapi import APIRouter, HTTPException, UploadFile, File, Depends, Request, Response
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from fastapi.responses import StreamingResponse, RedirectResponse
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from pydantic import BaseModel
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from classquiz.auth import get_current_user
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from classquiz.config import settings, storage, arq
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from classquiz.db.models import User, StorageItem, PublicStorageItem, UpdateStorageItem, PrivateStorageItem
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from classquiz.helpers import check_image_string
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from classquiz.storage.errors import DownloadingFailedError
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from uuid import uuid4, UUID
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settings = settings()
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router = APIRouter()
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def headers_from_storage_item(item: StorageItem) -> dict[str, str]:
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base_headers = {"Content-Type": item.mime_type}
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if item.hash is not None:
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base_headers["X-Hash"] = item.hash.hex()
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if item.thumbhash is not None:
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base_headers["X-Thumbhash"] = item.thumbhash
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if item.alt_text is not None:
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base_headers["X-Alt-Text"] = item.alt_text
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if item.size != 0:
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base_headers["Content-Size"] = str(item.size)
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return base_headers
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@router.get("/download/{file_name}")
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async def download_file(file_name: str):
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item = None
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checked_image_string = check_image_string(file_name)
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if not checked_image_string[0]:
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raise HTTPException(status_code=400, detail="Invalid file name")
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if checked_image_string[1] is not None:
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print(checked_image_string)
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item = await StorageItem.objects.get_or_none(id=checked_image_string[1])
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if item is None:
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print("Item not found")
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raise HTTPException(status_code=404, detail="File not found")
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file_name = item.storage_path
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if file_name is None:
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file_name = item.id.hex
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if storage.backend == "s3":
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if item is None:
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return RedirectResponse(url=await storage.get_url(file_name, 300))
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else:
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return RedirectResponse(url=await storage.get_url(file_name, 300), headers=headers_from_storage_item(item))
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try:
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download = storage.download(file_name)
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except DownloadingFailedError:
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print("error")
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raise HTTPException(status_code=404, detail="File not found")
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if download is None:
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print("dload is none")
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raise HTTPException(status_code=404, detail="File not found")
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media_type = "image/*"
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if item is not None:
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media_type = item.mime_type
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headers = {"Cache-Control": "public, immutable, max-age=31536000"}
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if item is not None:
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headers = {**headers, **headers_from_storage_item(item)}
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return StreamingResponse(
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download,
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media_type=media_type,
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headers=headers,
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)
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@router.get("/info/{file_name}")
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async def get_basic_file_info(file_name: str) -> Response:
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checked_image_string = check_image_string(file_name)
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if not checked_image_string[0]:
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raise HTTPException(status_code=404, detail="Invalid file name")
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if checked_image_string[1] is not None:
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item = await StorageItem.objects.get_or_none(id=checked_image_string[1])
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if item is None:
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raise HTTPException(status_code=404, detail="File not found")
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# return PublicStorageItem.from_db_model(item)
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storage_file_name = item.storage_path
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if storage_file_name is None:
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storage_file_name = item.id.hex
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resp = Response(status_code=200, headers=headers_from_storage_item(item))
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else:
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resp = Response(status_code=200, headers={"Content-Type": "image/*"})
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return resp
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@router.head("/download/{file_name}")
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async def download_file_head(file_name: str) -> Response:
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checked_image_string = check_image_string(file_name)
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if not checked_image_string[0]:
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raise HTTPException(status_code=404, detail="Invalid file name")
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if checked_image_string[1] is not None:
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item = await StorageItem.objects.get_or_none(id=checked_image_string[1])
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if item is None:
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raise HTTPException(status_code=404, detail="File not found")
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# return PublicStorageItem.from_db_model(item)
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storage_file_name = item.storage_path
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if storage_file_name is None:
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storage_file_name = item.id.hex
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resp = Response(status_code=200, headers=headers_from_storage_item(item))
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else:
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resp = Response(status_code=200, headers={"Content-Type": "image/*"})
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storage_file_name = file_name
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if storage.backend == "s3":
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resp.status_code = 307
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resp.headers.append("Location", await storage.get_url(storage_file_name, 300))
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return resp
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@router.post("/")
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async def upload_file(file: UploadFile = File(), user: User = Depends(get_current_user)) -> PublicStorageItem:
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if user.storage_used > settings.free_storage_limit:
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raise HTTPException(status_code=409, detail="Storage limit reached")
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file_id = uuid4()
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size = 0
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file_obj = StorageItem(
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id=file_id,
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uploaded_at=datetime.now(),
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mime_type=file.content_type,
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hash=None,
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user=user,
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size=size,
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deleted_at=None,
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alt_text=None,
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)
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await storage.upload(file_name=file_id.hex, file_data=file.file, mime_type=file.content_type)
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await file_obj.save()
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await arq.enqueue_job("calculate_hash", file_id.hex)
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return PublicStorageItem.from_db_model(file_obj)
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@router.post("/raw")
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async def upload_raw_file(request: Request, user: User = Depends(get_current_user)) -> PublicStorageItem:
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if user.storage_used > settings.free_storage_limit:
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raise HTTPException(status_code=409, detail="Storage limit reached")
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file_id = uuid4()
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data_file = SpooledTemporaryFile(max_size=1000)
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async for chunk in request.stream():
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data_file.write(chunk)
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data_file.seek(0)
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file_obj = StorageItem(
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id=file_id,
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uploaded_at=datetime.now(),
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mime_type=request.headers.get("Content-Type"),
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hash=None,
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user=user,
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size=0,
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deleted_at=None,
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alt_text=None,
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)
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# https://github.com/VirusTotal/vt-py/issues/119#issuecomment-1261246867
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await storage.upload(
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file_name=file_id.hex,
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# skipcq: PYL-W0212
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file_data=data_file._file,
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mime_type=request.headers.get("Content-Type"),
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)
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await file_obj.save()
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await arq.enqueue_job("calculate_hash", file_id.hex)
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return PublicStorageItem.from_db_model(file_obj)
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@router.get("/meta/{file_id}")
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async def get_file_info(file_id: UUID, user: User = Depends(get_current_user)) -> PublicStorageItem:
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file_data = await StorageItem.objects.get_or_none(id=file_id, user=user, deleted_at=None)
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if file_data is None:
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raise HTTPException(status_code=404, detail="File not found")
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return PublicStorageItem.from_db_model(file_data)
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@router.delete("/meta/{file_id}")
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async def mark_file_as_deleted(file_id: UUID, user: User = Depends(get_current_user)):
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file_data = await StorageItem.objects.get_or_none(id=file_id, user=user, deleted_at=None)
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if file_data is None:
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raise HTTPException(status_code=404, detail="File not found")
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storage_path = file_data.storage_path
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if storage_path is None:
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storage_path = file_data.id.hex
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await storage.delete(storage_path)
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file_data.deleted_at = datetime.now()
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await file_data.update()
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return
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@router.put("/meta/{file_id}")
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async def update_image_data(
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file_id: UUID, data: UpdateStorageItem, user: User = Depends(get_current_user)
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) -> PublicStorageItem:
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file_data = await StorageItem.objects.get_or_none(id=file_id, user=user, deleted_at=None)
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if file_data is None:
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raise HTTPException(status_code=404, detail="File not found")
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if data.alt_text == "":
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data.alt_text = None
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if data.filename == "":
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data.filename = None
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file_data.filename = data.filename
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file_data.alt_text = data.alt_text
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await file_data.update()
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return PublicStorageItem.from_db_model(file_data)
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@router.get("/list")
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async def list_images(
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since: datetime | None = None, user: User = Depends(get_current_user)
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) -> list[PrivateStorageItem]:
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if since is None:
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since = datetime.now() - timedelta(weeks=9999)
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storage_items = (
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await StorageItem.objects.filter(user=user)
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.filter(StorageItem.uploaded_at > since)
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.filter(StorageItem.deleted_at == None) # noqa: E711
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.order_by(StorageItem.uploaded_at.desc())
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.select_related([StorageItem.quizzes, StorageItem.quiztivities])
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.all()
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)
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if len(storage_items) == 0:
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raise HTTPException(status_code=404, detail="No items found")
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return_items: list[PrivateStorageItem] = []
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for item in storage_items:
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return_items.append(PrivateStorageItem.from_db_model(item))
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return return_items
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@router.get("/list/last")
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async def get_latest_images(count: int = 50, user: User = Depends(get_current_user)) -> list[PrivateStorageItem]:
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count = min(count, 50)
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items = (
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await StorageItem.objects.filter(user=user)
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.limit(count)
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.select_related([StorageItem.quizzes, StorageItem.quiztivities])
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.order_by(StorageItem.uploaded_at.desc())
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.all()
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)
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return_items: list[PrivateStorageItem] = []
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for item in items:
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return_items.append(PrivateStorageItem.from_db_model(item))
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return return_items
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class ReturnGetStorageLimit(BaseModel):
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limit: int
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limit_reached: bool
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used: int
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@router.get("/limit")
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async def get_storage_limit(user: User = Depends(get_current_user)) -> ReturnGetStorageLimit:
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user = await User.objects.get_or_none(id=user.id)
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if user.storage_used > settings.free_storage_limit:
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return ReturnGetStorageLimit(limit=settings.free_storage_limit, limit_reached=True, used=user.storage_used)
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else:
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return ReturnGetStorageLimit(limit=settings.free_storage_limit, limit_reached=False, used=user.storage_used)
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