added uploading image from url
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parent
c997e68791
commit
0fa57ac7a3
3
.gitignore
vendored
3
.gitignore
vendored
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@ -1,5 +1,4 @@
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__pycache__/
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*/__pycache__/
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secret_key
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*.db
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*.swp
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55
fileHost.py
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fileHost.py
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@ -3,11 +3,13 @@
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Simple file host using Flask.
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"""
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import os
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import re
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import time
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import atexit
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import string
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import secrets
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import sqlite3
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import tempfile
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import functools
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import threading
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from datetime import datetime
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@ -16,12 +18,14 @@ from passlib.hash import argon2
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from flask import Flask, session, request, abort, redirect, url_for, g, \
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render_template
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from werkzeug.utils import secure_filename
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from werkzeug.datastructures import FileStorage
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from flask_paranoid import Paranoid
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from apscheduler.schedulers.background import BackgroundScheduler
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import requests
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app = Flask(__name__)
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app.config['MAX_CONTENT_LENGTH'] = 128 * 1024 * 1024
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app.config["UPLOAD_DIR"] = "/usr/local/www/html/up"
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app.config["UPLOAD_DIR"] = "/var/www/html/up"
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app.config["UPLOAD_URL"] = "https://steelbea.me/up/"
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app.config["DB_NAME"] = "fileHost.db"
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app.config["DB_LOCK"] = threading.Lock()
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@ -153,7 +157,7 @@ def delete_file(filename):
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def login_required(url=None):
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"""
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A decorator function to protect certain endpoints by requiring the user
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to either pass a valid session cookie, or pass thier username and
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to either pass a valid session cookie, or pass their username and
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password along with the request to login.
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"""
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def actual_decorator(func):
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@ -334,10 +338,17 @@ def upload():
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Saves the uploaded files and returns URLs pointing to them.
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"""
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username = session.get("username")
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if not username:
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username = request.form.get("user")
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if request.form.get("url"):
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try:
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f = [download_file(request.form.get("url"))]
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except ValueError as e:
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return e
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else:
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f = []
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urls = []
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for file in request.files.getlist("files"):
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for file in request.files.getlist("files") + f:
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fname = secure_filename(file.filename)
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pre = get_rand_chars(8)
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fdir = app.config.get("UPLOAD_DIR")
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@ -397,6 +408,40 @@ def get_rand_chars(n):
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return "".join(chars)
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def download_file(url):
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"""
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Downloads the file at the given url while observing file size and
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timeout limitations.
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"""
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timeout = 10
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requests_kwargs = {
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'stream': True,
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'headers': {'User-Agent': "Steelbea.me LTD needs YOUR files."},
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'timeout': timeout,
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'verify': True
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}
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t = tempfile.TemporaryFile()
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with requests.get(url, **requests_kwargs) as r:
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size = 0
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start_time = time.time()
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for chunk in r.iter_content(102400):
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if time.time() - start_time > timeout:
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raise ValueError('timeout reached')
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size += len(chunk)
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if size > app.config['MAX_CONTENT_LENGTH']:
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raise ValueError('response too large')
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t.write(chunk)
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if r.headers.get('Content-Disposition'):
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fname = re.search(r'filename="(.+)"',
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r.headers['content-disposition'])
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else:
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fname = os.path.basename(url)
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t.seek(0)
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f = FileStorage(stream=t, filename=fname, name='url')
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return f
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init()
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atexit.register(scheduler.shutdown)
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if __name__ == "__main__":
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@ -4,23 +4,24 @@
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<title>Let's uploading boys!</title>
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</head>
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<body>
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Hello, {{ session.username }}<br>
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<a href="{{ url_for('change_password') }}">Change password</a><br>
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<a href="{{ url_for('logout') }}">Logout</a><br>
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<a href="{{ url_for('manage_uploads') }}">Manage Uploads</a><br>
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<a href="{{ url_for('gallery', username=session.username) }}">Public Gallery</a><br>
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<form method="post" enctype="multipart/form-data" action="{{ url_for('index') }}">
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Hello, {{ session.username }}<br />
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<a href="{{ url_for('change_password') }}">Change password</a><br />
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<a href="{{ url_for('logout') }}">Logout</a><br />
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<a href="{{ url_for('manage_uploads') }}">Manage Uploads</a><br />
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<a href="{{ url_for('gallery', username=session.username) }}">Public Gallery</a><br />
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<p>Select file to upload:
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<p><input type="file" name="files" required multiple/><br />
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<input type="checkbox" name="randname"/> Generate random filename.<br />
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<input type="checkbox" name="delflag"/> Delete this file in <input type="number" name="delnum" min="1" max="59" value="1"/>
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<p><input type="file" name="files" multiple><br>
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<input type="url" name="url" placeholder="URL" size="30"><br>
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<input type="checkbox" name="randname"> Generate random filename.<br>
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<input type="checkbox" name="delflag"> Delete this file in <input type="number" name="delnum" min="1" max="59" value="1">
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<select name="deltype">
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<option value="minute">Minute</option>
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<option value="hour">Hour</option>
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<option value="day" selected="selected">Day</option>
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<option value="week">Week</option>
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</select>
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<p><input type="submit" value="Upload File" name="submit"/>
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<p><input type="submit" value="Upload File" name="submit">
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</form>
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</body>
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</html>
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