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✨ Migrated from image urls to image uuids

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This commit is contained in:
Mawoka
2023-05-27 16:37:21 +02:00
parent 025c1fddab
commit 10668e420b
23 changed files with 163 additions and 100 deletions
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classquiz/routers/editor.py
+10 -49
View File
@@ -4,24 +4,22 @@
import asyncio
import html
import re
import uuid
from typing import Optional
import asyncpg.exceptions
import bleach
from fastapi import APIRouter, File, UploadFile, HTTPException, Depends
from fastapi import APIRouter, HTTPException, Depends
from pydantic import BaseModel
from classquiz.config import settings, redis, storage, meilisearch, ALLOWED_TAGS_FOR_QUIZ, server_regex
from classquiz.config import settings, redis, storage, meilisearch, ALLOWED_TAGS_FOR_QUIZ
from classquiz.db.models import Quiz, QuizInput, User, QuizQuestionType
import puremagic
from classquiz.auth import get_current_user
import os
from datetime import datetime
from uuid import UUID
from classquiz.helpers import get_meili_data, check_hashcash
from classquiz.helpers import get_meili_data, check_image_string
from classquiz.storage.errors import DeletionFailedError
settings = settings()
@@ -86,37 +84,6 @@ class UploadImageReturn(BaseModel):
pow_data: str
@router.post("/image", response_model=UploadImageReturn)
async def upload_image(edit_id: str, pow_data: str, file: UploadFile = File()):
session_data = await redis.get(f"edit_session:{edit_id}")
pow_data_server = await redis.get(f"edit_session:{edit_id}:pow")
uploaded_images = await redis.llen(f"edit_session:{edit_id}:images")
if pow_data_server is None:
raise HTTPException(status_code=401, detail="Edit ID not found!")
if session_data is None:
raise HTTPException(status_code=401, detail="Edit ID not found!")
if uploaded_images == 0 and not check_hashcash(pow_data, pow_data_server, "8"):
raise HTTPException(status_code=401, detail="Edit ID not found!")
if uploaded_images != 0 and not check_hashcash(pow_data, pow_data_server, "8"):
raise HTTPException(status_code=401, detail="Edit ID not found!")
file_bytes = await file.read()
if len(file_bytes) > 2000000:
raise HTTPException(status_code=400, detail="File too large")
try:
pm_data = puremagic.magic_string(file_bytes)[0]
except puremagic.PureError:
raise HTTPException(status_code=400, detail="Image couldn't be identified!")
if pm_data.extension not in allowed_image_extensions:
raise HTTPException(status_code=400, detail="Image-type now allowed!")
session_data = EditSessionData.parse_raw(session_data)
file_name = f"{session_data.quiz_id}--{uuid.uuid4()}"
await storage.upload(file_name=file_name, file_data=file_bytes)
await redis.lpush(f"edit_session:{edit_id}:images", file_name)
random_str = os.urandom(8).hex()
await redis.set(f"edit_session:{edit_id}:pow", random_str, ex=3800)
return UploadImageReturn(id=file_name, pow_data=random_str)
@router.post("/finish")
async def finish_edit(edit_id: str, quiz_input: QuizInput):
session_data = await redis.get(f"edit_session:{edit_id}")
@@ -141,10 +108,7 @@ async def finish_edit(edit_id: str, quiz_input: QuizInput):
quiz_input.questions[i].answers[i2].answer = html.unescape(
bleach.clean(answer.answer, tags=ALLOWED_TAGS_FOR_QUIZ, strip=True)
)
image_id_regex = r"^.{36}--.{36}$"
imgur_regex = r"^https://i\.imgur\.com\/.{7}.(jpg|png|gif)$"
extract_file_name_re = r"^.*/api/v1/storage/download/(.{36}--.{36})$"
images_to_delete = []
old_quiz_data: Quiz = await Quiz.objects.get_or_none(id=session_data.quiz_id, user_id=session_data.user_id)
@@ -167,15 +131,9 @@ async def finish_edit(edit_id: str, quiz_input: QuizInput):
)
if image == "":
question.image = None
if image is None:
mark_image_for_deletion(question.image, i, old_quiz_data)
elif image is None:
mark_image_for_deletion(question.image, i, old_quiz_data)
elif bool(re.match(image_id_regex, question.image)):
question.image = f"{settings.root_address}/api/v1/storage/download/{image}"
mark_image_for_deletion(question.image, i, old_quiz_data)
elif bool(re.match(imgur_regex, image)):
mark_image_for_deletion(question.image, i, old_quiz_data)
elif bool(re.match(server_regex, image)):
elif check_image_string(quiz_input.cover_image)[0]:
mark_image_for_deletion(question.image, i, old_quiz_data)
else:
raise HTTPException(status_code=400, detail="Image URL(s) aren't valid!")
@@ -186,7 +144,10 @@ async def finish_edit(edit_id: str, quiz_input: QuizInput):
# if quiz_input.background_image is None and old_quiz_data.background_image is not None:
# mark_image_for_deletion(quiz_input.background_image)
if quiz_input.cover_image is not None and not bool(re.match(server_regex, quiz_input.cover_image)):
if quiz_input.cover_image is not None and not check_image_string(quiz_input.cover_image)[0]:
raise HTTPException(status_code=400, detail="image url is not valid")
if quiz_input.background_image is not None and not check_image_string(quiz_input.background_image)[0]:
raise HTTPException(status_code=400, detail="image url is not valid")
if session_data.edit:
@@ -207,7 +168,7 @@ async def finish_edit(edit_id: str, quiz_input: QuizInput):
for image in images_to_delete:
if image is not None:
try:
await storage.delete([re.search(extract_file_name_re, image).group(1)])
await storage.delete([image])
except DeletionFailedError:
pass
await redis.srem("edit_sessions", edit_id)