mirror of
https://github.com/TitanEmbeds/Titan.git
synced 2024-11-15 02:21:21 +01:00
351 lines
13 KiB
Python
351 lines
13 KiB
Python
from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, AuthenticatedUsers, GuildMembers, get_guild_member
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from titanembeds.constants import LANGUAGES
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from flask import request, session
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from flask_limiter import Limiter
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from flask_socketio import SocketIO, disconnect
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from flask_babel import Babel
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from flask_redis import FlaskRedis
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from config import config
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from sqlalchemy import and_
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import random
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import string
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import hashlib
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import time
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import json
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redis_store = FlaskRedis(charset="utf-8", decode_responses=True)
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from titanembeds.discordrest import DiscordREST
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from titanembeds.redisqueue import RedisQueue
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discord_api = DiscordREST(config['bot-token'])
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redisqueue = RedisQueue()
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def get_client_ipaddr():
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if request.headers.getlist("X-Forwarded-For"):
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ip = request.headers.getlist("X-Forwarded-For")[0]
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else:
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ip = request.remote_addr
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return hashlib.sha512((config['app-secret'] + ip).encode('utf-8')).hexdigest()[:15]
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def generate_session_key():
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sess = session.get("sessionunique", None)
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if not sess:
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rand_str = lambda n: ''.join([random.choice(string.ascii_lowercase) for i in range(n)])
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session['sessionunique'] = rand_str(25)
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sess = session['sessionunique']
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return sess #Totally unique
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def make_cache_key(*args, **kwargs):
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path = request.path
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args = str(hash(frozenset(request.args.items())))
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ip = get_client_ipaddr()
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sess = generate_session_key()
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return (path + args + sess + ip)
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def make_user_cache_key(*args, **kwargs):
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ip = get_client_ipaddr()
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sess = generate_session_key()
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return (sess + ip)
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def make_guilds_cache_key():
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sess = generate_session_key()
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ip = get_client_ipaddr()
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return (sess + ip + "user_guilds")
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def make_guildchannels_cache_key():
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guild_id = request.values.get('guild_id', "0")
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sess = generate_session_key()
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ip = get_client_ipaddr()
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return (sess + ip + guild_id + "user_guild_channels")
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def channel_ratelimit_key(): # Generate a bucket with given channel & unique session key
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sess = generate_session_key()
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channel_id = request.values.get('channel_id', "0")
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return (sess + channel_id)
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def guild_ratelimit_key():
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ip = get_client_ipaddr()
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guild_id = request.values.get('guild_id', "0")
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return (ip + guild_id)
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def check_guild_existance(guild_id):
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dbGuild = Guilds.query.filter_by(guild_id=guild_id).first()
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if not dbGuild:
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return False
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else:
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return True
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def guild_accepts_visitors(guild_id):
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dbGuild = Guilds.query.filter_by(guild_id=guild_id).first()
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return dbGuild.visitor_view
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def guild_query_unauth_users_bool(guild_id):
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dbGuild = db.session.query(Guilds).filter(Guilds.guild_id==guild_id).first()
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return dbGuild.unauth_users
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def user_unauthenticated():
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if 'unauthenticated' in session:
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return session['unauthenticated']
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return True
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def checkUserRevoke(guild_id, user_key=None):
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revoked = True #guilty until proven not revoked
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if user_unauthenticated():
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dbUser = db.session.query(UnauthenticatedUsers).filter(UnauthenticatedUsers.guild_id == guild_id, UnauthenticatedUsers.user_key == user_key).first()
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revoked = dbUser.isRevoked()
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else:
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banned = checkUserBanned(guild_id)
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if banned:
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return revoked
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dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
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revoked = not dbUser or not dbUser.active
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return revoked
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def checkUserBanned(guild_id, ip_address=None):
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banned = True
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if user_unauthenticated():
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dbUser = UnauthenticatedBans.query.filter(and_(UnauthenticatedBans.guild_id == guild_id, UnauthenticatedBans.ip_address == ip_address)).all()
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if not dbUser:
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banned = False
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else:
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for usr in dbUser:
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if usr.lifter_id is not None:
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banned = False
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else:
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banned = False
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dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
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if not dbUser:
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banned = False
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else:
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banned = dbUser.banned
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return banned
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from titanembeds.oauth import check_user_can_administrate_guild, user_has_permission
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def update_user_status(guild_id, username, user_key=None):
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if user_unauthenticated():
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ip_address = get_client_ipaddr()
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status = {
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'authenticated': False,
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'avatar': None,
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'manage_embed': False,
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'ip_address': ip_address,
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'username': username,
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'nickname': None,
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'user_key': user_key,
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'guild_id': guild_id,
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'user_id': str(session['user_id']),
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'banned': checkUserBanned(guild_id, ip_address),
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'revoked': checkUserRevoke(guild_id, user_key),
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}
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if status['banned'] or status['revoked']:
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session['user_keys'].pop(guild_id, None)
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return status
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dbUser = UnauthenticatedUsers.query.filter(and_(UnauthenticatedUsers.guild_id == guild_id, UnauthenticatedUsers.user_key == user_key)).first()
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bump_user_presence_timestamp(guild_id, "UnauthenticatedUsers", user_key)
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if dbUser.username != username or dbUser.ip_address != ip_address:
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dbUser.username = username
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dbUser.ip_address = ip_address
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db.session.commit()
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else:
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status = {
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'authenticated': True,
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'avatar': session["avatar"],
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'manage_embed': check_user_can_administrate_guild(guild_id),
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'username': username,
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'nickname': None,
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'discriminator': session['discriminator'],
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'guild_id': guild_id,
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'user_id': str(session['user_id']),
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'banned': checkUserBanned(guild_id),
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'revoked': checkUserRevoke(guild_id)
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}
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if status['banned'] or status['revoked']:
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return status
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dbMember = get_guild_member(guild_id, status["user_id"])
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if dbMember:
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status["nickname"] = dbMember.nickname
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bump_user_presence_timestamp(guild_id, "AuthenticatedUsers", status["user_id"])
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return status
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def bump_user_presence_timestamp(guild_id, user_type, client_key):
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redis_key = "MemberPresence/{}/{}/{}".format(guild_id, user_type, client_key)
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redis_store.set(redis_key, "", 15)
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def get_online_embed_user_keys(guild_id="*", user_type=None):
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if not user_type:
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user_type = ["AuthenticatedUsers", "UnauthenticatedUsers"]
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else:
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user_type = [user_type]
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usrs = {}
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for utype in user_type:
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usrs[utype] = []
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keys = redis_store.keys("MemberPresence/{}/{}/*".format(guild_id, utype))
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for key in keys:
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client_key = key.split("/")[-1]
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usrs[utype].append(client_key)
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return usrs
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def check_user_in_guild(guild_id):
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if user_unauthenticated():
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return guild_id in session.get("user_keys", {})
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else:
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dbUser = db.session.query(AuthenticatedUsers).filter(and_(AuthenticatedUsers.guild_id == guild_id, AuthenticatedUsers.client_id == session['user_id'])).first()
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return dbUser is not None and not checkUserRevoke(guild_id)
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def get_member_roles(guild_id, user_id):
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q = db.session.query(GuildMembers).filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == user_id).first()
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roles = [guild_id]
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if not q:
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member = discord_api.get_guild_member(guild_id, user_id)
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if member["success"]:
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roles = member["content"]["roles"]
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member = GuildMembers(guild_id, user_id, member["content"]["user"]["username"], int(member["content"]["user"]["discriminator"]), member["content"].get("nick", None), member["content"]["user"]["avatar"], True, False, json.dumps(roles))
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db.session.add(member)
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db.session.commit()
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else:
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roles = json.loads(q.roles)
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return roles
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def get_guild_channels(guild_id, force_everyone=False):
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if user_unauthenticated() or force_everyone:
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member_roles = [guild_id] #equivilant to @everyone role
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else:
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member_roles = get_member_roles(guild_id, session['user_id'])
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if guild_id not in member_roles:
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member_roles.append(guild_id)
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bot_member_roles = get_member_roles(guild_id, config["client-id"])
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if guild_id not in bot_member_roles:
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bot_member_roles.append(guild_id)
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dbguild = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
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guild_channels = json.loads(dbguild.channels)
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guild_roles = json.loads(dbguild.roles)
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guild_owner = str(dbguild.owner_id)
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result_channels = []
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for channel in guild_channels:
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if channel['type'] in ["text", "category"]:
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result = get_channel_permission(channel, guild_id, guild_owner, guild_roles, member_roles, str(session.get("user_id")), force_everyone)
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bot_result = get_channel_permission(channel, guild_id, guild_owner, guild_roles, bot_member_roles, config["client-id"], False)
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if not bot_result["read"]:
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result["read"] = False
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if not bot_result["write"]:
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result["write"] = False
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if not bot_result["mention_everyone"]:
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result["mention_everyone"] = False
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result_channels.append(result)
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return sorted(result_channels, key=lambda k: k['channel']['position'])
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def get_channel_permission(channel, guild_id, guild_owner, guild_roles, member_roles, user_id=None, force_everyone=False):
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result = {"channel": channel, "read": False, "write": False, "mention_everyone": False}
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if not user_id:
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user_id = str(session.get("user_id"))
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if guild_owner == user_id:
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result["read"] = True
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result["write"] = True
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result["mention_everyone"] = True
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return result
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channel_perm = 0
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# @everyone
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for role in guild_roles:
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if role["id"] == guild_id:
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channel_perm |= role["permissions"]
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continue
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# User Guild Roles
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for m_role in member_roles:
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for g_role in guild_roles:
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if g_role["id"] == m_role:
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channel_perm |= g_role["permissions"]
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continue
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# If has server administrator permission
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if user_has_permission(channel_perm, 3):
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result["read"] = True
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result["write"] = True
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result["mention_everyone"] = True
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return result
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denies = 0
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allows = 0
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# channel specific
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for overwrite in channel["permission_overwrites"]:
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if overwrite["type"] == "role" and overwrite["id"] in member_roles:
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denies |= overwrite["deny"]
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allows |= overwrite["allow"]
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channel_perm = (channel_perm & ~denies) | allows
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# member specific
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for overwrite in channel["permission_overwrites"]:
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if overwrite["type"] == "member" and overwrite["id"] == str(session.get("user_id")):
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channel_perm = (channel_perm & ~overwrite['deny']) | overwrite['allow']
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break
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result["read"] = user_has_permission(channel_perm, 10)
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result["write"] = user_has_permission(channel_perm, 11)
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result["mention_everyone"] = user_has_permission(channel_perm, 17)
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# If default channel, you can read
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if channel["id"] == guild_id:
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result["read"] = True
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# If you cant read channel, you cant write in it
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if not user_has_permission(channel_perm, 10):
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result["read"] = False
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result["write"] = False
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result["mention_everyone"] = False
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return result
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def bot_can_create_webhooks(guild):
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perm = 0
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guild_roles = json.loads(guild.roles)
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# @everyone
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for role in guild_roles:
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if role["id"] == guild.guild_id:
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perm |= role["permissions"]
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continue
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member_roles = get_member_roles(guild.guild_id, config["client-id"])
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# User Guild Roles
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for m_role in member_roles:
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for g_role in guild_roles:
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if g_role["id"] == m_role:
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perm |= g_role["permissions"]
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continue
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if user_has_permission(perm, 3): # Admin perms override yes
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return True
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return user_has_permission(perm, 29)
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def guild_webhooks_enabled(guild_id):
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dbguild = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
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if not dbguild.webhook_messages:
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return False
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return bot_can_create_webhooks(dbguild)
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def guild_unauthcaptcha_enabled(guild_id):
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dbguild = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
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return dbguild.unauth_captcha
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def language_code_list():
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codes = []
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for lang in LANGUAGES:
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codes.append(lang["code"])
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return codes
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def is_int(specimen):
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try:
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int(specimen)
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return True
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except:
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return False
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rate_limiter = Limiter(key_func=get_client_ipaddr) # Default limit by ip address
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socketio = SocketIO(engineio_logger=config.get("engineio-logging", False))
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babel = Babel()
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@socketio.on_error_default # disconnect on all errors
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def default_socketio_error_handler(e):
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disconnect()
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