#!venv/bin/python import hashlib import base64 import time from os import unlink, path, getenv, listdir, mkdir, urandom from shutil import rmtree from threading import Thread from random import randint from flask import Flask, render_template, jsonify, request, redirect, send_from_directory from flask_dropzone import Dropzone from argparse import ArgumentParser from werkzeug.utils import secure_filename app = Flask(__name__) app.config['SECRET_KEY'] = 'Silence is golden. Gerd Eist.' #app.jinja_env.trim_blocks = True #app.jinja_env.lstrip_blocks = True app.config['PREFERRED_URL_SCHEME'] = 'https' app.config['DROPZONE_SERVE_LOCAL'] = True app.config['DROPZONE_MAX_FILE_SIZE'] = 128 app.config['DROPZONE_UPLOAD_MULTIPLE'] = True app.config['DROPZONE_PARALLEL_UPLOADS'] = 10 app.config['DROPZONE_ALLOWED_FILE_CUSTOM'] = True app.config['DROPZONE_ALLOWED_FILE_TYPE'] = '' app.config['DROPZONE_DEFAULT_MESSAGE'] = 'Ziehe die Dateien hier hin, um sie hochzuladen oder klicken Sie zur Auswahl.' dropzone = Dropzone(app) basedir = getenv('FILER_BASEDIR', './Daten') filettl = int(getenv('FILER_FILETTL', 10)) #### ADMIN FACING DIRECTORY LISTS #### #### #### @app.route("/admin", methods=['GET']) def admin(): url_root = request.url_root.replace('http://', 'https://', 1) users = listdir(path.join(basedir, 'Mandanten')) return render_template('admin.html', users = users, tree = make_tree(basedir, 'Public'), url_root = url_root) @app.route("/admin/Dokumente/", methods=['GET']) def admin_dokumente(user): return render_template('mandant.html', admin = 'admin/', user = user, tree = make_tree(basedir, path.join('Dokumente', user))) @app.route("/admin/del-user/", methods=['POST']) def admin_deluser(user): method = request.form.get('_method', 'POST') if method == 'DELETE': rmtree(path.join(basedir, 'Dokumente', secure_filename(user))) unlink(path.join(basedir, 'Mandanten', secure_filename(user))) return redirect('/admin') @app.route("/admin/new-user", methods=['POST']) def admin_newuser(): password = request.form.get('password', '') user = request.form.get('user', '') if not password or not user: return "Username or password missing", 400 directory = secure_filename(user) salt = urandom(4) sha = hashlib.sha1(password.encode('utf-8')) sha.update(salt) digest_salt_b64 = base64.b64encode(sha.digest()+ salt) tagged_digest_salt = '{{SSHA}}{}'.format(digest_salt_b64.decode('ascii')) try: if not path.exists(path.join(basedir, 'Dokumente', directory)): mkdir(path.join(basedir, 'Dokumente', directory)) with open(path.join(basedir, 'Mandanten', directory), 'w+', encoding='utf-8') as htpasswd: htpasswd.write("{}:{}\n".format(user, tagged_digest_salt)) except OSError as error: return "Couldn't create user scope", 500 return redirect('/admin') #### USER FACING DIRECTORY LIST #### #### #### @app.route("/Dokumente/", methods=['GET']) def mandant(user): return render_template('mandant.html', admin = '', user = user, tree = make_tree(basedir, path.join('Dokumente', user))) #### UPLOAD FILE ROUTES #### #### #### @app.route('/Dokumente/', methods=['POST']) @app.route('/admin/Dokumente/', methods=['POST']) def upload_mandant(user): for key, f in request.files.items(): if key.startswith('file'): username = secure_filename(user) filename = secure_filename(f.filename) f.save(path.join(basedir, 'Dokumente', username, filename)) return 'upload template' @app.route('/admin', methods=['POST']) def upload_admin(): for key, f in request.files.items(): if key.startswith('file'): filename = secure_filename(f.filename) f.save(path.join(basedir, 'Public', filename)) return 'upload template' #### DELETE FILE ROUTES #### #### #### @app.route('/Dokumente//', methods=['POST']) def delete_file_mandant(user, filename): method = request.form.get('_method', 'POST') if method == 'DELETE': unlink(path.join(basedir, 'Dokumente', secure_filename(user), secure_filename(filename))) return redirect('/Dokumente/'+user) @app.route('/admin/Dokumente//', methods=['POST']) def delete_file_mandant_admin(user, filename): method = request.form.get('_method', 'POST') if method == 'DELETE': unlink(path.join(basedir, 'Dokumente', secure_filename(user), secure_filename(filename))) return redirect('/admin/Dokumente/'+user) @app.route('/admin/Public/', methods=['POST']) def delete_file_admin(filename): method = request.form.get('_method', 'POST') if method == 'DELETE': unlink(path.join(basedir, 'Public', secure_filename(filename))) return redirect('/admin') #### SERVE FILES RULES #### #### #### @app.route('/admin/Dokumente//', methods=['GET']) @app.route('/Dokumente//', methods=['GET']) def custom_static(user, filename): return send_from_directory(path.join(basedir, 'Dokumente'), path.join(user, filename)) @app.route('/Public/') def custom_static_public(filename): return send_from_directory(path.join(basedir, 'Public'), filename) def make_tree(rel, pathname): tree = dict(name=pathname, download=path.basename(pathname), children=[]) try: lst = listdir(path.join(rel,pathname)) except OSError: pass #ignore errors else: for name in lst: fn = path.join(pathname, name) if path.isdir(path.join(rel,fn)): tree['children'].append(make_tree(rel, fn)) else: ttl = filettl - int((time.time() - path.getmtime(path.join(rel,fn))) / (24*3600)) if ttl < 0: unlink(path.join(rel,fn)) else: tree['children'].append(dict(name=fn, download=name, ttl = ttl)) return tree def cleaner_thread(): while True: make_tree(basedir, 'Dokumente') # sleep for 6h plus jitter time.sleep(21600 + randint(1, 1800)) thread = Thread(target=cleaner_thread, args=()) thread.daemon = True thread.start() if __name__ == "__main__": parser = ArgumentParser(description="Filer") parser.add_argument("-H", "--host", help="Hostname of the Flask app " + "[default %s]" % "127.0.0.1", default="127.0.0.1") parser.add_argument("-P", "--port", help="Port for the Flask app " + "[default %s]" % "5000", default="5000") args = parser.parse_args() app.run(host=args.host, port=int(args.port))