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Basic websockets authentication handling

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This commit is contained in:
Jeremy Zhang 2017-08-21 04:26:51 +00:00
parent 72649f069e
commit 4ed2d14bc3
5 changed files with 264 additions and 232 deletions
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11
discordbot/titanembeds/socketio/socketiointerface.py
View File

@ -23,4 +23,13 @@ class SocketIOInterface:
"mentions": get_message_mentions(message.mentions),
"attachments": message.attachments,
}
await self.io.emit('MESSAGE_CREATE', data=msg, room=message.server.id, namespace='/gateway')
nickname = None
if hasattr(message.author, 'nick') and message.author.nick:
nickname = message.author.nick
msg["author"]["nickname"] = nickname
for mention in msg["mentions"]:
mention["nickname"] = None
member = message.server.get_member(mention["id"])
if member:
mention["nickname"] = member.nick
await self.io.emit('MESSAGE_CREATE', data=msg, room=str("CHANNEL_"+message.channel.id), namespace='/gateway')

181
webapp/titanembeds/blueprints/api/api.py
View File

@ -2,11 +2,10 @@ from titanembeds.database import db, Guilds, UnauthenticatedUsers, Unauthenticat
from titanembeds.decorators import valid_session_required, discord_users_only
from titanembeds.utils import check_guild_existance, guild_accepts_visitors, guild_query_unauth_users_bool, get_client_ipaddr, discord_api, rate_limiter, channel_ratelimit_key, guild_ratelimit_key
from titanembeds.oauth import user_has_permission, generate_avatar_url, check_user_can_administrate_guild
from titanembeds.database import get_administrators_list
from titanembeds.userbookkeeping import user_unauthenticated, checkUserRevoke, checkUserBanned, update_user_status, check_user_in_guild, get_guild_channels
from flask import Blueprint, abort, jsonify, session, request, url_for
from sqlalchemy import and_
import random
import requests
import json
import datetime
import re
@ -14,97 +13,6 @@ 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
dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
revoked = not dbUser or not dbUser.active
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
dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
if not dbUser:
banned = False
else:
banned = dbUser.banned
return banned
def update_user_status(guild_id, username, user_key=None):
if user_unauthenticated():
ip_address = get_client_ipaddr()
status = {
'authenticated': False,
'avatar': None,
'manage_embed': False,
'ip_address': ip_address,
'username': username,
'nickname': None,
'user_key': user_key,
'guild_id': guild_id,
'user_id': session['user_id'],
'banned': checkUserBanned(guild_id, ip_address),
'revoked': checkUserRevoke(guild_id, user_key),
}
if status['banned'] or status['revoked']:
session['user_keys'].pop(guild_id, None)
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 = {
'authenticated': True,
'avatar': session["avatar"],
'manage_embed': check_user_can_administrate_guild(guild_id),
'username': username,
'nickname': None,
'discriminator': session['discriminator'],
'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
dbMember = get_guild_member(guild_id, status["user_id"])
if dbMember:
status["nickname"] = dbMember.nickname
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:
dbUser = db.session.query(AuthenticatedUsers).filter(and_(AuthenticatedUsers.guild_id == guild_id, AuthenticatedUsers.client_id == session['user_id'])).first()
return dbUser is not None and not checkUserRevoke(guild_id)
def parse_emoji(textToParse, guild_id):
guild_emojis = get_guild_emojis(guild_id)
for gemoji in guild_emojis:
@ -160,92 +68,6 @@ def format_everyone_mention(channel, content):
content = content.replace("@here", u"@\u200Bhere")
return content
def get_member_roles(guild_id, user_id):
q = db.session.query(GuildMembers).filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == user_id).first()
return json.loads(q.roles)
def get_dbguild_channels(guild_id):
q = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
return json.loads(q.channels)
def get_guild_channels(guild_id, force_everyone=False):
if user_unauthenticated() or force_everyone:
member_roles = [guild_id] #equivilant to @everyone role
else:
member_roles = get_member_roles(guild_id, session['user_id'])
if guild_id not in member_roles:
member_roles.append(guild_id)
dbguild = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
guild_channels = json.loads(dbguild.channels)
guild_roles = json.loads(dbguild.roles)
guild_owner = str(dbguild.owner_id)
result_channels = []
for channel in guild_channels:
if channel['type'] == "text":
result = {"channel": channel, "read": False, "write": False, "mention_everyone": False}
if guild_owner == session.get("user_id"):
result["read"] = True
result["write"] = True
result["mention_everyone"] = True
result_channels.append(result)
continue
channel_perm = 0
# @everyone
for role in guild_roles:
if role["id"] == guild_id:
channel_perm |= role["permissions"]
continue
# User Guild Roles
for m_role in member_roles:
for g_role in guild_roles:
if g_role["id"] == m_role:
channel_perm |= g_role["permissions"]
continue
# If has server administrator permission
if user_has_permission(channel_perm, 3):
result["read"] = True
result["write"] = True
result["mention_everyone"] = True
result_channels.append(result)
continue
denies = 0
allows = 0
# channel specific
for overwrite in channel["permission_overwrites"]:
if overwrite["type"] == "role" and overwrite["id"] in member_roles:
denies |= overwrite["deny"]
allows |= overwrite["allow"]
channel_perm = (channel_perm & ~denies) | allows
# member specific
for overwrite in channel["permission_overwrites"]:
if overwrite["type"] == "member" and overwrite["id"] == session.get("user_id"):
channel_perm = (channel_perm & ~overwrite['deny']) | overwrite['allow']
break
result["read"] = user_has_permission(channel_perm, 10)
result["write"] = user_has_permission(channel_perm, 11)
result["mention_everyone"] = user_has_permission(channel_perm, 17)
# If default channel, you can read
if channel["id"] == guild_id:
result["read"] = True
# If you cant read channel, you cant write in it
if not user_has_permission(channel_perm, 10):
result["read"] = False
result["write"] = False
result["mention_everyone"] = False
result_channels.append(result)
return sorted(result_channels, key=lambda k: k['channel']['position'])
def filter_guild_channel(guild_id, channel_id, force_everyone=False):
channels = get_guild_channels(guild_id, force_everyone)
for chan in channels:
@ -341,6 +163,7 @@ def fetch():
status_code = 403
if user_unauthenticated():
session['user_keys'].pop(guild_id, None)
session.modified = True
else:
chan = filter_guild_channel(guild_id, channel_id)
if not chan:

47
webapp/titanembeds/blueprints/gateway/gateway.py
View File

@ -1,22 +1,43 @@
from titanembeds.utils import socketio
from titanembeds.utils import socketio, guild_accepts_visitors, get_client_ipaddr
from titanembeds.userbookkeeping import check_user_in_guild, get_guild_channels, update_user_status
from flask_socketio import Namespace, emit, disconnect, join_room
import functools
from flask import request, session
def authenticated_only(f):
@functools.wraps(f)
def wrapped(*args, **kwargs):
if False:
pass
#disconnect()
else:
return f(*args, **kwargs)
return wrapped
import time
class Gateway(Namespace):
def on_connect(self):
emit('hello')
def on_identify(self, data):
room = data["guild_id"]
join_room(room)
guild_id = data["guild_id"]
if not guild_accepts_visitors(guild_id) and not check_user_in_guild(guild_id):
disconnect()
return
channels = []
if guild_accepts_visitors(guild_id) and not check_user_in_guild(guild_id):
channels = get_guild_channels(guild_id, force_everyone=True)
else:
channels = get_guild_channels(guild_id)
join_room("GUILD_"+guild_id)
for chan in channels:
if chan["read"]:
join_room("CHANNEL_"+chan["channel"]["id"])
if session.get("unauthenticated", True) and guild_id in session.get("user_keys", {}):
join_room("IP_"+get_client_ipaddr())
elif not session.get("unauthenticated", True):
join_room("USER_"+session["user_id"])
emit("identified")
def on_heartbeat(self, data):
guild_id = data["guild_id"]
visitor_mode = data["visitor_mode"]
if not visitor_mode:
status = update_user_status(guild_id, session["username"], session["user_keys"][guild_id])
if status["revoked"] or status["banned"]:
emit("revoke")
time.sleep(1000)
disconnect()
else:
if not guild_accepts_visitors(guild_id):
disconnect()

78
webapp/titanembeds/static/js/embed.js
View File

@ -17,17 +17,13 @@
var has_already_been_focused = false; // keep track of if the embed has initially been focused.
var has_already_been_initially_resized = false; // keep track if the embed initially been resized
var logintimer; // timer to keep track of user inactivity after hitting login
var fetchtimeout; // fetch routine timer
var currently_fetching; // fetch lock- if true, do not fetch
var last_message_id; // last message tracked
var selected_channel = null; // user selected channel
var guild_channels = {}; // all server channels used to highlight channels in messages
var emoji_store = {}; // all server emojis
var times_fetched = 0; // kept track of how many times that it has fetched
var fetch_error_count = 0; // Number of errors fetch has encountered
var priority_query_guild = false; // So you have selected a channel? Let's populate it.
var current_username_discrim; // Current username/discrim pair, eg EndenDraogn#4151
var visitor_mode = false; // Keep track of if using the visitor mode or authenticate mode
var socket = null; // Socket.io object
function element_in_view(element, fullyInView) {
var pageTop = $(window).scrollTop();
@ -249,6 +245,8 @@
} else {
primeEmbed();
}
setInterval(send_socket_heartbeat, 5000);
});
function changeTheme(theme=null, keep_custom_css=true) {
@ -339,6 +337,9 @@
}
function initialize_embed(guildobj) {
if (socket) {
socket.disconnect();
}
if (guildobj === undefined) {
var guild = query_guild();
guild.done(function(data) {
@ -379,6 +380,7 @@
fill_unauthenticated_users(guildobj.embedmembers.unauthenticated);
$("#instant-inv").attr("href", guildobj.instant_invite);
run_fetch_routine();
initiate_websockets();
}
function fill_channels(channels) {
@ -559,8 +561,6 @@
last_message_id = null;
$("#channels-list > li.active").removeClass("active");
$("#channel-"+selected_channel).parent().addClass("active");
priority_query_guild = true;
clearTimeout(fetchtimeout);
run_fetch_routine();
}
}
@ -718,11 +718,6 @@
}
function run_fetch_routine() {
if (currently_fetching) {
return;
}
currently_fetching = true;
times_fetched += 1;
var channel_id = selected_channel;
var fet;
var jumpscroll;
@ -752,13 +747,11 @@
}
var guild = query_guild();
guild.done(function(guildobj) {
priority_query_guild = false;
fill_channels(guildobj.channels);
fill_discord_members(guildobj.discordmembers);
fill_authenticated_users(guildobj.embedmembers.authenticated);
fill_unauthenticated_users(guildobj.embedmembers.unauthenticated);
$("#instant-inv").attr("href", guildobj.instant_invite);
initiate_websockets();
});
});
fet.fail(function(data) {
@ -769,25 +762,9 @@
$('#loginmodal').modal('open');
Materialize.toast('Session expired! You have been logged out.', 10000);
}
if (data.status != 429) {
setVisitorMode(true);
if (visitor_mode) {
fetchtimeout = setTimeout(run_fetch_routine, 5000);
}
}
});
fet.catch(function(data) {
if (500 <= data.status && data.status < 600) {
if (fetch_error_count % 5 == 0) {
Materialize.toast('Fetching messages error! EndenDragon probably broke something. Sorry =(', 10000);
}
fetch_error_count += 1;
fetchtimeout = setTimeout(run_fetch_routine, 10000);
}
setVisitorMode(true);
});
fet.always(function() {
currently_fetching = false;
$("#fetching-indicator").fadeOut(800);
});
}
@ -870,8 +847,6 @@
var usr = change_unauthenticated_username($(this).val());
usr.done(function(data) {
Materialize.toast('Username changed successfully!', 10000);
priority_query_guild = true;
clearTimeout(fetchtimeout);
run_fetch_routine();
});
usr.fail(function(data) {
@ -900,8 +875,6 @@
var funct = post(selected_channel, $(this).val());
funct.done(function(data) {
$("#messagebox").val("");
clearTimeout(fetchtimeout);
run_fetch_routine();
});
funct.fail(function(data) {
Materialize.toast('Failed to send message.', 10000);
@ -945,13 +918,40 @@
});
function initiate_websockets() {
var socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port + "/gateway", {path: '/gateway', transports: ['websocket']});
socket.on('connect', function() {
if (socket) {
return;
}
socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port + "/gateway", {path: '/gateway', transports: ['websocket']});
socket.on('connect', function () {
socket.emit('identify', {"guild_id": guild_id});
});
socket.on('MESSAGE_CREATE', function(msg) {
console.log(msg);
socket.on("disconnect", function () {
socket = null;
});
socket.on("revoke", function () {
$('#loginmodal').modal('open');
setVisitorMode(true);
primeEmbed();
Materialize.toast('Authentication error! You have been disconnected by the server.', 10000);
});
socket.on("MESSAGE_CREATE", function (msg) {
var thismsgchan = msg.channel_id;
if (selected_channel != thismsgchan) {
return;
}
var jumpscroll = element_in_view($('#discordmessage_'+last_message_id), true);
last_message_id = fill_discord_messages([msg], jumpscroll);
});
}
function send_socket_heartbeat() {
if (!socket) {
return;
}
socket.emit("heartbeat", {"guild_id": guild_id, "visitor_mode": visitor_mode});
}
})();

179
webapp/titanembeds/userbookkeeping.py Normal file
View File

@ -0,0 +1,179 @@
from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, AuthenticatedUsers, GuildMembers, get_guild_member
from titanembeds.utils import guild_accepts_visitors, guild_query_unauth_users_bool, get_client_ipaddr
from titanembeds.oauth import check_user_can_administrate_guild, user_has_permission
from flask import session
from sqlalchemy import and_
import json
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 = db.session.query(UnauthenticatedUsers).filter(UnauthenticatedUsers.guild_id == guild_id, UnauthenticatedUsers.user_key == user_key).first()
revoked = dbUser.isRevoked()
else:
banned = checkUserBanned(guild_id)
if banned:
return revoked
dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
revoked = not dbUser or not dbUser.active
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
dbUser = GuildMembers.query.filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == session["user_id"]).first()
if not dbUser:
banned = False
else:
banned = dbUser.banned
return banned
def update_user_status(guild_id, username, user_key=None):
if user_unauthenticated():
ip_address = get_client_ipaddr()
status = {
'authenticated': False,
'avatar': None,
'manage_embed': False,
'ip_address': ip_address,
'username': username,
'nickname': None,
'user_key': user_key,
'guild_id': guild_id,
'user_id': session['user_id'],
'banned': checkUserBanned(guild_id, ip_address),
'revoked': checkUserRevoke(guild_id, user_key),
}
if status['banned'] or status['revoked']:
session['user_keys'].pop(guild_id, None)
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 = {
'authenticated': True,
'avatar': session["avatar"],
'manage_embed': check_user_can_administrate_guild(guild_id),
'username': username,
'nickname': None,
'discriminator': session['discriminator'],
'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
dbMember = get_guild_member(guild_id, status["user_id"])
if dbMember:
status["nickname"] = dbMember.nickname
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.get("user_keys", {})
else:
dbUser = db.session.query(AuthenticatedUsers).filter(and_(AuthenticatedUsers.guild_id == guild_id, AuthenticatedUsers.client_id == session['user_id'])).first()
return dbUser is not None and not checkUserRevoke(guild_id)
def get_member_roles(guild_id, user_id):
q = db.session.query(GuildMembers).filter(GuildMembers.guild_id == guild_id).filter(GuildMembers.user_id == user_id).first()
return json.loads(q.roles)
def get_guild_channels(guild_id, force_everyone=False):
if user_unauthenticated() or force_everyone:
member_roles = [guild_id] #equivilant to @everyone role
else:
member_roles = get_member_roles(guild_id, session['user_id'])
if guild_id not in member_roles:
member_roles.append(guild_id)
dbguild = db.session.query(Guilds).filter(Guilds.guild_id == guild_id).first()
guild_channels = json.loads(dbguild.channels)
guild_roles = json.loads(dbguild.roles)
guild_owner = str(dbguild.owner_id)
result_channels = []
for channel in guild_channels:
if channel['type'] == "text":
result = {"channel": channel, "read": False, "write": False, "mention_everyone": False}
if guild_owner == session.get("user_id"):
result["read"] = True
result["write"] = True
result["mention_everyone"] = True
result_channels.append(result)
continue
channel_perm = 0
# @everyone
for role in guild_roles:
if role["id"] == guild_id:
channel_perm |= role["permissions"]
continue
# User Guild Roles
for m_role in member_roles:
for g_role in guild_roles:
if g_role["id"] == m_role:
channel_perm |= g_role["permissions"]
continue
# If has server administrator permission
if user_has_permission(channel_perm, 3):
result["read"] = True
result["write"] = True
result["mention_everyone"] = True
result_channels.append(result)
continue
denies = 0
allows = 0
# channel specific
for overwrite in channel["permission_overwrites"]:
if overwrite["type"] == "role" and overwrite["id"] in member_roles:
denies |= overwrite["deny"]
allows |= overwrite["allow"]
channel_perm = (channel_perm & ~denies) | allows
# member specific
for overwrite in channel["permission_overwrites"]:
if overwrite["type"] == "member" and overwrite["id"] == session.get("user_id"):
channel_perm = (channel_perm & ~overwrite['deny']) | overwrite['allow']
break
result["read"] = user_has_permission(channel_perm, 10)
result["write"] = user_has_permission(channel_perm, 11)
result["mention_everyone"] = user_has_permission(channel_perm, 17)
# If default channel, you can read
if channel["id"] == guild_id:
result["read"] = True
# If you cant read channel, you cant write in it
if not user_has_permission(channel_perm, 10):
result["read"] = False
result["write"] = False
result["mention_everyone"] = False
result_channels.append(result)
return sorted(result_channels, key=lambda k: k['channel']['position'])