407 lines
15 KiB
Python
407 lines
15 KiB
Python
#!/usr/bin/python3
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from functools import wraps
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from flask import Flask, render_template, request, redirect, send_file, Response, jsonify, abort
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import variables as var
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import util
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from datetime import datetime
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import os
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import os.path
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import shutil
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import random
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from werkzeug.utils import secure_filename
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import errno
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import media
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import logging
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import time
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import constants
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class ReverseProxied(object):
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'''Wrap the application in this middleware and configure the
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front-end server to add these headers, to let you quietly bind
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this to a URL other than / and to an HTTP scheme that is
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different than what is used locally.
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In nginx:
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location /myprefix {
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proxy_pass http://192.168.0.1:5001;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Scheme $scheme;
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proxy_set_header X-Script-Name /myprefix;
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}
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:param app: the WSGI application
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'''
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
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if script_name:
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environ['SCRIPT_NAME'] = script_name
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path_info = environ['PATH_INFO']
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if path_info.startswith(script_name):
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environ['PATH_INFO'] = path_info[len(script_name):]
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scheme = environ.get('HTTP_X_SCHEME', '')
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if scheme:
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environ['wsgi.url_scheme'] = scheme
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real_ip = environ.get('HTTP_X_REAL_IP', '')
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if real_ip:
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environ['REMOTE_ADDR'] = real_ip
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return self.app(environ, start_response)
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web = Flask(__name__)
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log = logging.getLogger("bot")
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def init_proxy():
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global web
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if var.is_proxified:
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web.wsgi_app = ReverseProxied(web.wsgi_app)
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# https://stackoverflow.com/questions/29725217/password-protect-one-webpage-in-flask-app
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def check_auth(username, password):
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"""This function is called to check if a username /
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password combination is valid.
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"""
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return username == var.config.get("webinterface", "user") and password == var.config.get("webinterface", "password")
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def authenticate():
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"""Sends a 401 response that enables basic auth"""
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global log
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return Response(
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'Could not verify your access level for that URL.\n'
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'You have to login with proper credentials', 401,
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{'WWW-Authenticate': 'Basic realm="Login Required"'})
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def requires_auth(f):
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@wraps(f)
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def decorated(*args, **kwargs):
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global log
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auth = request.authorization
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if var.config.getboolean("webinterface", "require_auth") and (not auth or not check_auth(auth.username, auth.password)):
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if auth:
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log.info("web: Failed login attempt, user: %s" % auth.username)
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return authenticate()
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return f(*args, **kwargs)
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return decorated
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@web.route("/", methods=['GET'])
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@requires_auth
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def index():
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folder_path = var.music_folder
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files = util.get_recursive_file_list_sorted(var.music_folder)
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music_library = util.Dir(folder_path)
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for file in files:
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music_library.add_file(file)
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return render_template('index.html',
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all_files=files,
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music_library=music_library,
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os=os,
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playlist=var.playlist,
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user=var.user,
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paused=var.botamusique.is_pause
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)
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@web.route("/playlist", methods=['GET'])
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@requires_auth
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def playlist():
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if var.playlist.length() == 0:
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return jsonify({'items': [render_template('playlist.html',
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m=False,
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index=-1
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)]
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})
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items = []
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for index, item in enumerate(var.playlist):
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items.append(render_template('playlist.html',
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index=index,
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m=item,
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playlist=var.playlist
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)
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)
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return jsonify({ 'items': items })
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def status():
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if (var.playlist.length() > 0):
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return jsonify({'ver': var.playlist.version,
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'empty': False,
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'play': not var.botamusique.is_pause,
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'mode': var.playlist.mode})
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else:
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return jsonify({'ver': var.playlist.version,
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'empty': True,
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'play': False,
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'mode': var.playlist.mode})
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@web.route("/post", methods=['POST'])
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@requires_auth
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def post():
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global log
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folder_path = var.music_folder
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if request.method == 'POST':
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if request.form:
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log.debug("web: Post request from %s: %s" % ( request.remote_addr, str(request.form)))
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if 'add_file_bottom' in request.form and ".." not in request.form['add_file_bottom']:
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path = var.music_folder + request.form['add_file_bottom']
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if os.path.isfile(path):
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item = {'type': 'file',
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'path' : request.form['add_file_bottom'],
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'title' : '',
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'user' : 'Remote Control'}
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item = var.playlist.append(util.get_music_tag_info(item))
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log.info('web: add to playlist(bottom): ' + util.format_debug_song_string(item))
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elif 'add_file_next' in request.form and ".." not in request.form['add_file_next']:
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path = var.music_folder + request.form['add_file_next']
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if os.path.isfile(path):
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item = {'type': 'file',
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'path' : request.form['add_file_next'],
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'title' : '',
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'user' : 'Remote Control'}
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item = var.playlist.insert(
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var.playlist.current_index + 1,
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item
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)
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log.info('web: add to playlist(next): ' + util.format_debug_song_string(item))
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elif ('add_folder' in request.form and ".." not in request.form['add_folder']) or ('add_folder_recursively' in request.form and ".." not in request.form['add_folder_recursively']):
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try:
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folder = request.form['add_folder']
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except:
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folder = request.form['add_folder_recursively']
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if not folder.endswith('/'):
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folder += '/'
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print('folder:', folder)
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if os.path.isdir(var.music_folder + folder):
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files = util.get_recursive_file_list_sorted(var.music_folder)
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music_library = util.Dir(folder_path)
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for file in files:
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music_library.add_file(file)
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if 'add_folder_recursively' in request.form:
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files = music_library.get_files_recursively(folder)
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else:
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files = music_library.get_files(folder)
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files = list(map(lambda file:
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{'type':'file',
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'path': os.path.join(folder, file),
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'user':'Remote Control'}, files))
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files = var.playlist.extend(files)
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for file in files:
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log.info("web: add to playlist: %s" % util.format_debug_song_string(file))
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elif 'add_url' in request.form:
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music = {'type':'url',
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'url': request.form['add_url'],
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'user': 'Remote Control',
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'ready': 'validation'}
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music = var.botamusique.validate_music(music)
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if music:
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var.playlist.append(music)
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log.info("web: add to playlist: " + util.format_debug_song_string(music))
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if var.playlist.length() == 2:
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# If I am the second item on the playlist. (I am the next one!)
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var.botamusique.async_download_next()
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elif 'add_radio' in request.form:
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music = var.playlist.append({'type': 'radio',
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'path': request.form['add_radio'],
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'user': "Remote Control"})
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log.info("web: add to playlist: " + util.format_debug_song_string(music))
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elif 'delete_music' in request.form:
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music = var.playlist[int(request.form['delete_music'])]
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log.info("web: delete from playlist: " + util.format_debug_song_string(music))
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if var.playlist.length() >= int(request.form['delete_music']):
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index = int(request.form['delete_music'])
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if index == var.playlist.current_index:
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var.playlist.remove(index)
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if index < len(var.playlist):
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if not var.botamusique.is_pause:
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var.botamusique.interrupt_playing()
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var.playlist.current_index -= 1
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# then the bot will move to next item
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else: # if item deleted is the last item of the queue
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var.playlist.current_index -= 1
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if not var.botamusique.is_pause:
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var.botamusique.interrupt_playing()
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else:
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var.playlist.remove(index)
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elif 'play_music' in request.form:
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music = var.playlist[int(request.form['play_music'])]
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log.info("web: jump to: " + util.format_debug_song_string(music))
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if len(var.playlist) >= int(request.form['play_music']):
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var.botamusique.interrupt_playing()
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var.botamusique.launch_music(int(request.form['play_music']))
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elif 'delete_music_file' in request.form and ".." not in request.form['delete_music_file']:
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path = var.music_folder + request.form['delete_music_file']
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if os.path.isfile(path):
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log.info("web: delete file " + path)
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os.remove(path)
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elif 'delete_folder' in request.form and ".." not in request.form['delete_folder']:
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path = var.music_folder + request.form['delete_folder']
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if os.path.isdir(path):
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log.info("web: delete folder " + path)
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shutil.rmtree(path)
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time.sleep(0.1)
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elif 'action' in request.form:
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action = request.form['action']
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if action == "randomize":
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var.botamusique.interrupt_playing()
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var.playlist.set_mode("random")
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var.db.set('playlist', 'playback_mode', "random")
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log.info("web: playback mode changed to random.")
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if action == "one-shot":
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var.playlist.set_mode("one-shot")
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var.db.set('playlist', 'playback_mode', "one-shot")
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log.info("web: playback mode changed to one-shot.")
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if action == "repeat":
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var.playlist.set_mode("repeat")
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var.db.set('playlist', 'playback_mode', "repeat")
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log.info("web: playback mode changed to repeat.")
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elif action == "stop":
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var.botamusique.stop()
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elif action == "pause":
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var.botamusique.pause()
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elif action == "resume":
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var.botamusique.resume()
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elif action == "clear":
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var.botamusique.clear()
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elif action == "volume_up":
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if var.botamusique.volume_set + 0.03 < 1.0:
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var.botamusique.volume_set = var.botamusique.volume_set + 0.03
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else:
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var.botamusique.volume_set = 1.0
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var.db.set('bot', 'volume', str(var.botamusique.volume_set))
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log.info("web: volume up to %d" % (var.botamusique.volume_set * 100))
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elif action == "volume_down":
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if var.botamusique.volume_set - 0.03 > 0:
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var.botamusique.volume_set = var.botamusique.volume_set - 0.03
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else:
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var.botamusique.volume_set = 0
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var.db.set('bot', 'volume', str(var.botamusique.volume_set))
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log.info("web: volume up to %d" % (var.botamusique.volume_set * 100))
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return status()
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@web.route('/upload', methods=["POST"])
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def upload():
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global log
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files = request.files.getlist("file[]")
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if not files:
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return redirect("./", code=406)
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#filename = secure_filename(file.filename).strip()
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for file in files:
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filename = file.filename
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if filename == '':
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return redirect("./", code=406)
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targetdir = request.form['targetdir'].strip()
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if targetdir == '':
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targetdir = 'uploads/'
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elif '../' in targetdir:
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return redirect("./", code=406)
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log.info('web: Uploading file from %s:' % request.remote_addr)
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log.info('web: - filename: ' + filename)
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log.info('web: - targetdir: ' + targetdir)
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log.info('web: - mimetype: ' + file.mimetype)
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if "audio" in file.mimetype:
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storagepath = os.path.abspath(os.path.join(var.music_folder, targetdir))
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print('storagepath:',storagepath)
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if not storagepath.startswith(os.path.abspath(var.music_folder)):
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return redirect("./", code=406)
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try:
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os.makedirs(storagepath)
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except OSError as ee:
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if ee.errno != errno.EEXIST:
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return redirect("./", code=500)
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filepath = os.path.join(storagepath, filename)
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log.info(' - filepath: ' + filepath)
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if os.path.exists(filepath):
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return redirect("./", code=406)
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file.save(filepath)
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else:
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return redirect("./", code=409)
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return redirect("./", code=302)
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@web.route('/download', methods=["GET"])
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def download():
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global log
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if 'file' in request.args:
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requested_file = request.args['file']
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log.info('web: Download of file %s requested from %s:' % (requested_file, request.remote_addr))
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if '../' not in requested_file:
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folder_path = var.music_folder
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files = util.get_recursive_file_list_sorted(var.music_folder)
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if requested_file in files:
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filepath = os.path.join(folder_path, requested_file)
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try:
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return send_file(filepath, as_attachment=True)
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except Exception as e:
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log.exception(e)
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abort(404)
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elif 'directory' in request.args:
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requested_dir = request.args['directory']
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folder_path = var.music_folder
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requested_dir_fullpath = os.path.abspath(os.path.join(folder_path, requested_dir)) + '/'
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if requested_dir_fullpath.startswith(folder_path):
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if os.path.samefile(requested_dir_fullpath, folder_path):
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prefix = 'all'
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else:
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prefix = secure_filename(os.path.relpath(requested_dir_fullpath, folder_path))
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zipfile = util.zipdir(requested_dir_fullpath, prefix)
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try:
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return send_file(zipfile, as_attachment=True)
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except Exception as e:
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log.exception(e)
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abort(404)
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return redirect("./", code=400)
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if __name__ == '__main__':
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web.run(port=8181, host="127.0.0.1")
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