Titan/titanembeds/blueprints/api/api.py
2017-04-04 05:57:51 +00:00

261 lines
11 KiB
Python

from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, AuthenticatedUsers
from titanembeds.decorators import valid_session_required, discord_users_only
from titanembeds.utils import check_guild_existance, guild_query_unauth_users_bool, get_client_ipaddr, discord_api, rate_limiter, channel_ratelimit_key, guild_ratelimit_key, cache, make_guildchannels_cache_key
from titanembeds.oauth import user_has_permission, generate_avatar_url
from flask import Blueprint, abort, jsonify, session, request
from sqlalchemy import and_
import random
import requests
import json
import datetime
from config import config
api = Blueprint("api", __name__)
def user_unauthenticated():
if 'unauthenticated' in session:
return session['unauthenticated']
return True
def checkUserRevoke(guild_id, user_key=None):
revoked = True #guilty until proven not revoked
if user_unauthenticated():
dbUser = UnauthenticatedUsers.query.filter(and_(UnauthenticatedUsers.guild_id == guild_id, UnauthenticatedUsers.user_key == user_key)).first()
revoked = dbUser.isRevoked()
else:
banned = checkUserBanned(guild_id)
if banned:
return revoked
member = discord_api.get_guild_member(guild_id, session['user_id'])
if member['code'] == 200:
revoked = False
return revoked
def checkUserBanned(guild_id, ip_address=None):
banned = True
if user_unauthenticated():
dbUser = UnauthenticatedBans.query.filter(and_(UnauthenticatedBans.guild_id == guild_id, UnauthenticatedBans.ip_address == ip_address)).all()
if not dbUser:
banned = False
else:
for usr in dbUser:
if usr.lifter_id is not None:
banned = False
else:
banned = False
bans = discord_api.get_guild_bans(guild_id)['content']
for user in bans:
if session['user_id'] == user['user']['id']:
return True
return banned
def update_user_status(guild_id, username, user_key=None):
if user_unauthenticated():
ip_address = get_client_ipaddr()
status = {
'ip_address': ip_address,
'username': username,
'user_key': user_key,
'guild_id': guild_id,
'banned': checkUserBanned(guild_id, ip_address),
'revoked': checkUserRevoke(guild_id, user_key),
}
if status['banned'] or status['revoked']:
return status
dbUser = UnauthenticatedUsers.query.filter(and_(UnauthenticatedUsers.guild_id == guild_id, UnauthenticatedUsers.user_key == user_key)).first()
dbUser.bumpTimestamp()
if dbUser.username != username or dbUser.ip_address != ip_address:
dbUser.username = username
dbUser.ip_address = ip_address
db.session.commit()
else:
status = {
'username': username,
'guild_id': guild_id,
'user_id': session['user_id'],
'banned': checkUserBanned(guild_id),
'revoked': checkUserRevoke(guild_id)
}
if status['banned'] or status['revoked']:
return status
dbUser = db.session.query(AuthenticatedUsers).filter(and_(AuthenticatedUsers.guild_id == guild_id, AuthenticatedUsers.client_id == status['user_id'])).first()
dbUser.bumpTimestamp()
return status
def check_user_in_guild(guild_id):
if user_unauthenticated():
return guild_id in session['user_keys']
else:
return 200 == discord_api.get_guild_member_nocache(guild_id, session['user_id'])['code']
@cache.cached(timeout=300, key_prefix=make_guildchannels_cache_key)
def get_guild_channels(guild_id):
if user_unauthenticated():
roles = [guild_id] #equivilant to @everyone role
else:
member = discord_api.get_guild_member(guild_id, session['user_id'])['content']
roles = member['roles']
guild_channels = discord_api.get_guild_channels(guild_id)['content']
guild_owner = discord_api.get_guild(guild_id)['content']['owner_id']
result_channels = []
for channel in guild_channels:
if channel['type'] == 0:
if guild_owner == session['user_id']:
result_channels.append(channel)
continue
if len(channel['permission_overwrites']) == 0:
result_channels.append(channel)
else:
for overwrite in channel['permission_overwrites']:
if overwrite['type'] == "role" and overwrite['id'] == roles[-1] and not user_has_permission(overwrite['deny'], 10):
result_channels.append(channel)
break
elif overwrite['type'] == "member" and not user_unauthenticated and overwrite['id'] == session['user_id'] and not user_has_permission(overwrite['deny'], 10):
result_channels.append(channel)
break
return result_channels
def get_online_discord_users(guild_id):
embed = discord_api.get_widget(guild_id)
return embed['members']
def get_online_embed_users(guild_id):
time_past = (datetime.datetime.now() - datetime.timedelta(seconds = 120)).strftime('%Y-%m-%d %H:%M:%S')
unauths = db.session.query(UnauthenticatedUsers).filter(UnauthenticatedUsers.last_timestamp > time_past, UnauthenticatedUsers.revoked == False).all()
auths = db.session.query(AuthenticatedUsers).filter(AuthenticatedUsers.last_timestamp > time_past).all()
users = {'unauthenticated':[], 'authenticated':[]}
for user in unauths:
meta = {
'username': user.username,
'discriminator': user.discriminator,
}
users['unauthenticated'].append(meta)
for user in auths:
client_id = user.client_id
u = discord_api.get_guild_member(guild_id, client_id)['content']['user']
meta = {
'id': u['id'],
'username': u['username'],
'discriminator': u['discriminator'],
'avatar_url': generate_avatar_url(u['id'], u['avatar']),
}
users['authenticated'].append(meta)
return users
@api.route("/fetch", methods=["GET"])
@valid_session_required(api=True)
@rate_limiter.limit("2500/hour")
@rate_limiter.limit("12/minute", key_func = channel_ratelimit_key)
def fetch():
channel_id = request.args.get('channel_id')
after_snowflake = request.args.get('after', None, type=int)
if user_unauthenticated():
key = session['user_keys'][channel_id]
else:
key = None
status = update_user_status(channel_id, session['username'], key)
if status['banned'] or status['revoked']:
messages = {}
status_code = 401
else:
messages = discord_api.get_channel_messages(channel_id, after_snowflake)
status_code = messages['code']
response = jsonify(messages=messages.get('content', messages), status=status)
response.status_code = status_code
return response
@api.route("/post", methods=["POST"])
@valid_session_required(api=True)
@rate_limiter.limit("1200/hour")
@rate_limiter.limit("6/minute", key_func = channel_ratelimit_key)
def post():
channel_id = request.form.get('channel_id')
content = request.form.get('content')
if user_unauthenticated():
key = session['user_keys'][channel_id]
else:
key = None
status = update_user_status(channel_id, session['username'], key)
if status['banned'] or status['revoked']:
message = {}
status_code = 401
else:
message = discord_api.create_message(channel_id, content)
status_code = message['code']
response = jsonify(message=message.get('content', message), status=status)
response.status_code = status_code
return response
@api.route("/create_unauthenticated_user", methods=["POST"])
@rate_limiter.limit("4/hour", key_func=guild_ratelimit_key)
def create_unauthenticated_user():
session['unauthenticated'] = True
username = request.form['username']
guild_id = request.form['guild_id']
ip_address = get_client_ipaddr()
if len(username) < 2 or len(username) > 32:
abort(406)
if not check_guild_existance(guild_id):
abort(404)
if not guild_query_unauth_users_bool(guild_id):
abort(401)
if not checkUserBanned(guild_id, ip_address):
session['username'] = username
if 'user_id' not in session:
session['user_id'] = random.randint(0,9999)
user = UnauthenticatedUsers(guild_id, username, session['user_id'], ip_address)
db.session.add(user)
db.session.commit()
key = user.user_key
if 'user_keys' not in session:
session['user_keys'] = {guild_id: key}
else:
session['user_keys'][guild_id] = key
status = update_user_status(guild_id, username, key)
return jsonify(status=status)
else:
status = {'banned': True}
response = jsonify(status=status)
response.status_code = 403
return response
@api.route("/query_guild", methods=["GET"])
@valid_session_required(api=True)
def query_guild():
guild_id = request.args.get('guild_id')
if check_guild_existance(guild_id):
if check_user_in_guild(guild_id):
channels = get_guild_channels(guild_id)
discordmembers = get_online_discord_users(guild_id)
embedmembers = get_online_embed_users(guild_id)
return jsonify(channels=channels, discordmembers=discordmembers, embedmembers=embedmembers)
abort(403)
abort(404)
@api.route("/create_authenticated_user", methods=["POST"])
@discord_users_only(api=True)
def create_authenticated_user():
guild_id = request.form.get('guild_id')
if session['unauthenticated']:
response = jsonify(error=True)
response.status_code = 401
return response
else:
if not check_guild_existance(guild_id):
abort(404)
if not checkUserBanned(guild_id):
db_user = db.session.query(AuthenticatedUsers).filter(and_(AuthenticatedUsers.guild_id == guild_id, AuthenticatedUsers.client_id == session['user_id'])).first()
if not db_user:
db_user = AuthenticatedUsers(guild_id, session['user_id'])
db.session.add(db_user)
db.session.commit()
if not check_user_in_guild(guild_id):
discord_api.add_guild_member(guild_id, session['user_id'], session['user_keys']['access_token'])
status = update_user_status(guild_id, session['username'])
return jsonify(status=status)
else:
status = {'banned': True}
response = jsonify(status=status)
response.status_code = 403
return response