220 lines
6.2 KiB
Python
220 lines
6.2 KiB
Python
import os
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import subprocess
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import time
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from shutil import copyfile
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from typing import Optional
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import gevent
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import imagehash
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from flask import abort, g, has_request_context
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from werkzeug.utils import secure_filename
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from PIL import Image
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from PIL import UnidentifiedImageError
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from PIL.ImageSequence import Iterator
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from sqlalchemy.orm.session import Session
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from files.classes.media import *
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from files.helpers.cloudflare import purge_files_in_cache
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from .const import *
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def process_files(files, v):
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body = ''
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if g.is_tor or not files.get("file"): return body
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files = files.getlist('file')[:4]
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for file in files:
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if file.content_type.startswith('image/'):
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name = f'/images/{time.time()}'.replace('.','') + '.webp'
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file.save(name)
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url = process_image(name, v)
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body += f"\n\n"
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elif file.content_type.startswith('video/'):
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body += f"\n\n{SITE_FULL}{process_video(file, v)}"
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elif file.content_type.startswith('audio/'):
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body += f"\n\n{SITE_FULL}{process_audio(file, v)}"
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else:
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abort(415)
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return body
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def process_audio(file, v):
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name = f'/audio/{time.time()}'.replace('.','')
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name_original = secure_filename(file.filename)
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extension = name_original.split('.')[-1].lower()
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name = name + '.' + extension
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file.save(name)
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size = os.stat(name).st_size
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if size > MAX_IMAGE_AUDIO_SIZE_MB_PATRON * 1024 * 1024 or not v.patron and size > MAX_IMAGE_AUDIO_SIZE_MB * 1024 * 1024:
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os.remove(name)
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abort(413, f"Max image/audio size is {MAX_IMAGE_AUDIO_SIZE_MB} MB ({MAX_IMAGE_AUDIO_SIZE_MB_PATRON} MB for {patron.lower()}s)")
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media = g.db.query(Media).filter_by(filename=name, kind='audio').one_or_none()
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if media: g.db.delete(media)
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media = Media(
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kind='audio',
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filename=name,
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user_id=v.id,
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size=size
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)
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g.db.add(media)
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return name
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def webm_to_mp4(old, new, vid, db):
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tmp = new.replace('.mp4', '-t.mp4')
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subprocess.run(["ffmpeg", "-y", "-loglevel", "warning", "-nostats", "-threads:v", "1", "-i", old, "-map_metadata", "-1", tmp], check=True, stderr=subprocess.STDOUT)
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os.replace(tmp, new)
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os.remove(old)
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media = db.query(Media).filter_by(filename=new, kind='video').one_or_none()
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if media: db.delete(media)
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media = Media(
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kind='video',
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filename=new,
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user_id=vid,
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size=os.stat(new).st_size
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)
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db.add(media)
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db.commit()
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db.close()
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purge_files_in_cache(f"{SITE_FULL}{new}")
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def process_video(file, v):
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old = f'/videos/{time.time()}'.replace('.','')
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file.save(old)
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size = os.stat(old).st_size
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if (SITE_NAME != 'WPD' and
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(size > MAX_VIDEO_SIZE_MB_PATRON * 1024 * 1024
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or not v.patron and size > MAX_VIDEO_SIZE_MB * 1024 * 1024)):
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os.remove(old)
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abort(413, f"Max video size is {MAX_VIDEO_SIZE_MB} MB ({MAX_VIDEO_SIZE_MB_PATRON} MB for paypigs)")
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name_original = secure_filename(file.filename)
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extension = name_original.split('.')[-1].lower()
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new = old + '.' + extension
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if extension == 'webm':
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new = new.replace('.webm', '.mp4')
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copyfile(old, new)
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db = Session(bind=g.db.get_bind(), autoflush=False)
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gevent.spawn(webm_to_mp4, old, new, v.id, db)
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else:
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subprocess.run(["ffmpeg", "-y", "-loglevel", "warning", "-nostats", "-i", old, "-map_metadata", "-1", "-c:v", "copy", "-c:a", "copy", new], check=True)
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os.remove(old)
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media = g.db.query(Media).filter_by(filename=new, kind='video').one_or_none()
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if media: g.db.delete(media)
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media = Media(
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kind='video',
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filename=new,
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user_id=v.id,
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size=os.stat(new).st_size
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)
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g.db.add(media)
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return new
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def process_image(filename:str, v, resize=0, trim=False, uploader_id:Optional[int]=None, db=None):
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# thumbnails are processed in a thread and not in the request context
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# if an image is too large or webp conversion fails, it'll crash
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# to avoid this, we'll simply return None instead
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has_request = has_request_context()
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size = os.stat(filename).st_size
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patron = bool(v.patron)
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if size > MAX_IMAGE_AUDIO_SIZE_MB_PATRON * 1024 * 1024 or not patron and size > MAX_IMAGE_AUDIO_SIZE_MB * 1024 * 1024:
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os.remove(filename)
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if has_request:
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abort(413, f"Max image/audio size is {MAX_IMAGE_AUDIO_SIZE_MB} MB ({MAX_IMAGE_AUDIO_SIZE_MB_PATRON} MB for paypigs)")
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return None
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try:
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with Image.open(filename) as i:
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params = ["magick", filename, "-strip", "-auto-orient"]
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if i.format.lower() != 'webp':
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params.extend(["-coalesce", "-quality", "88", "-define", "webp:method=5"])
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if trim and len(list(Iterator(i))) == 1:
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params.append("-trim")
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if resize and i.width > resize:
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params.extend(["-resize", f"{resize}>"])
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except UnidentifiedImageError as e:
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print(f"Couldn't identify an image for {filename}; deleting... (user {v.id if v else '-no user-'})")
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try:
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os.remove(filename)
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except: pass
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if has_request:
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abort(415)
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return None
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params.append(filename)
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try:
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subprocess.run(params, timeout=MAX_IMAGE_CONVERSION_TIMEOUT)
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except subprocess.TimeoutExpired:
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if has_request:
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abort(413, ("An uploaded image took too long to convert to WEBP. "
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"Consider uploading elsewhere."))
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return None
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if resize:
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if os.stat(filename).st_size > MAX_IMAGE_SIZE_BANNER_RESIZED_KB * 1024:
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os.remove(filename)
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if has_request:
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abort(413, f"Max size for site assets is {MAX_IMAGE_SIZE_BANNER_RESIZED_KB} KB")
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return None
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if filename.startswith('files/assets/images/'):
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path = filename.rsplit('/', 1)[0]
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kind = path.split('/')[-1]
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if kind in ('banners','sidebar','badges'):
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hashes = {}
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for img in os.listdir(path):
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if resize == 400 and img in ('256.webp','585.webp'): continue
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img_path = f'{path}/{img}'
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if img_path == filename: continue
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with Image.open(img_path) as i:
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i_hash = str(imagehash.phash(i))
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if i_hash in hashes.keys():
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print(hashes[i_hash], flush=True)
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print(img_path, flush=True)
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else: hashes[i_hash] = img_path
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with Image.open(filename) as i:
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i_hash = str(imagehash.phash(i))
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if i_hash in hashes.keys():
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os.remove(filename)
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if has_request:
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abort(409, "Image already exists!")
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return None
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db = db or g.db
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media = db.query(Media).filter_by(filename=filename, kind='image').one_or_none()
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if media: db.delete(media)
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media = Media(
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kind='image',
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filename=filename,
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user_id=uploader_id or v.id,
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size=os.stat(filename).st_size
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)
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db.add(media)
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return filename
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