Support cross origin embedding

webapp/titanembeds/blueprints/api/api.py

@@ -1,6 +1,6 @@
 from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, AuthenticatedUsers, get_administrators_list, get_badges, DiscordBotsOrgTransactions
 from titanembeds.decorators import valid_session_required, discord_users_only, abort_if_guild_disabled
-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, user_unauthenticated, checkUserRevoke, checkUserBanned, update_user_status, check_user_in_guild, get_guild_channels, guild_webhooks_enabled, guild_unauthcaptcha_enabled, get_member_roles, get_online_embed_user_keys, redis_store, redisqueue, get_forced_role
+from titanembeds.utils import serializer, check_guild_existance, guild_accepts_visitors, guild_query_unauth_users_bool, get_client_ipaddr, discord_api, rate_limiter, channel_ratelimit_key, guild_ratelimit_key, user_unauthenticated, checkUserRevoke, checkUserBanned, update_user_status, check_user_in_guild, get_guild_channels, guild_webhooks_enabled, guild_unauthcaptcha_enabled, get_member_roles, get_online_embed_user_keys, redis_store, redisqueue, get_forced_role
 from titanembeds.oauth import user_has_permission, generate_avatar_url, check_user_can_administrate_guild
 import titanembeds.constants as constants
 from flask import Blueprint, abort, jsonify, session, request, url_for
@@ -14,9 +14,29 @@ import datetime
 import re
 import requests
 from config import config
+import copy
 
 api = Blueprint("api", __name__)
 
+@api.after_request
+def after_request(response):
+    if response.is_json:
+        session_copy = copy.deepcopy(dict(session))
+        data = response.get_json()
+        data["session"] = serializer.dumps(json.dumps(session_copy))
+        response.set_data(json.dumps(data))
+    return response
+
+@api.before_request
+def before_request():
+    authorization = request.headers.get("authorization", None)
+    if authorization:
+        try:
+            data = json.loads(serializer.loads(authorization))
+            session.update(data)
+        except:
+            pass
+
 def parse_emoji(textToParse, guild_id):
     guild_emojis = get_guild_emojis(guild_id)
     for gemoji in guild_emojis:

webapp/titanembeds/blueprints/embed/embed.py

@@ -1,11 +1,12 @@
 from flask import Blueprint, render_template, abort, redirect, url_for, session, request, make_response
 from flask_babel import gettext
-from titanembeds.utils import check_guild_existance, guild_query_unauth_users_bool, guild_accepts_visitors, guild_unauthcaptcha_enabled, is_int, redisqueue, get_online_embed_user_keys
+from titanembeds.utils import serializer, check_guild_existance, guild_query_unauth_users_bool, guild_accepts_visitors, guild_unauthcaptcha_enabled, is_int, redisqueue, get_online_embed_user_keys
 from titanembeds.oauth import generate_guild_icon_url, generate_avatar_url
 from titanembeds.database import db, Guilds, UserCSS, list_disabled_guilds
 from config import config
 import random
 import json
+import copy
 from urllib.parse import urlparse
 
 embed = Blueprint("embed", __name__)
@@ -104,7 +105,10 @@ def guild_embed(guild_id):
 
 @embed.route("/signin_complete")
 def signin_complete():
-    return render_template("signin_complete.html.j2")
+    sess = ""
+    session_copy = copy.deepcopy(dict(session))
+    sess = serializer.dumps(json.dumps(session_copy))
+    return render_template("signin_complete.html.j2", session=sess)
 
 @embed.route("/login_discord")
 def login_discord():

webapp/titanembeds/blueprints/gateway/gateway.py

@@ -1,4 +1,4 @@
-from titanembeds.utils import socketio, guild_accepts_visitors, get_client_ipaddr, discord_api, check_user_in_guild, get_guild_channels, update_user_status, guild_webhooks_enabled, redis_store, redisqueue, get_forced_role
+from titanembeds.utils import serializer, socketio, guild_accepts_visitors, get_client_ipaddr, discord_api, check_user_in_guild, get_guild_channels, update_user_status, guild_webhooks_enabled, redis_store, redisqueue, get_forced_role
 from titanembeds.database import db
 from flask_socketio import Namespace, emit, disconnect, join_room, leave_room
 import functools
@@ -17,6 +17,13 @@ class Gateway(Namespace):
         emit('hello', {"gateway_identifier": gateway_identifier})
 
     def on_identify(self, data):
+        authorization = data.get("session", None)
+        if authorization:
+            try:
+                data = json.loads(serializer.loads(authorization))
+                session.update(data)
+            except:
+                pass
         guild_id = data["guild_id"]
         if not guild_accepts_visitors(guild_id) and not check_user_in_guild(guild_id):
             disconnect()

webapp/titanembeds/static/js/embed.js

@@ -23,6 +23,8 @@
 /* global is_peak */
 /* global cookie_test_s2_URL */
 
+var passedCookieTest = true; // If passed cross origin test
+
 (function () {
     const theme_options = ["DiscordDark", "FireWyvern", "IceWyvern", "MetroEdge", "BetterTitan"]; // All the avaliable theming names
     const badges_options = ["administrator", "partner", "supporter", "discordbotsorgvoted"]; // All badges avaliable
@@ -58,6 +60,19 @@
     var localstorage_avaliable = false; // Check if localstorage is avaliable on this browser
     var shouldUtilizeGateway = false; // Don't connect to gateway until page is focused or has interaction.
     var discord_users_list_enabled = false; // Allow automatic population of discord users list
+    var session = ""; // stores the session if cross origin requests are not honored
+
+    function ajax_before_send(jqXHR, settings) {
+        if (session && !passedCookieTest) {
+            jqXHR.setRequestHeader('Authorization', session);
+        }
+    }
+
+    function ajax_always(data, textStatus, jqXHR) {
+        if (!passedCookieTest) {
+            session = data.session;
+        }
+    }
 
     function element_in_view(element, fullyInView) {
         var pageTop = $(window).scrollTop();
@@ -103,8 +118,10 @@
         var funct = $.ajax({
             dataType: "json",
             url: url,
-            data: {"guild_id": guild_id}
+            beforeSend: ajax_before_send,
+            data: {"guild_id": guild_id},
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
 
@@ -113,8 +130,10 @@
             method: "POST",
             dataType: "json",
             url: "/api/create_authenticated_user",
+            beforeSend: ajax_before_send,
             data: {"guild_id": guild_id}
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
 
@@ -123,8 +142,10 @@
             method: "POST",
             dataType: "json",
             url: "/api/create_unauthenticated_user",
+            beforeSend: ajax_before_send,
             data: {"username": username, "guild_id": guild_id, "captcha_response": captchaResponse}
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
     
@@ -133,8 +154,10 @@
             method: "POST",
             dataType: "json",
             url: "/api/change_unauthenticated_username",
+            beforeSend: ajax_before_send,
             data: {"username": username, "guild_id": guild_id}
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
 
@@ -150,8 +173,10 @@
             method: "GET",
             dataType: "json",
             url: url,
+            beforeSend: ajax_before_send,
             data: {"guild_id": guild_id,"channel_id": channel_id, "after": after}
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
 
@@ -163,6 +188,7 @@
         var ajaxobj = {
             method: "POST",
             dataType: "json",
+            beforeSend: ajax_before_send,
             url: "/api/post"
         }
         if (file) {
@@ -198,6 +224,7 @@
         }
         ajaxobj.data = data;
         var funct = $.ajax(ajaxobj);
+        funct.always(ajax_always);
         return funct.promise();
     }
     
@@ -212,16 +239,20 @@
     function api_user(user_id) {
         var funct = $.ajax({
             dataType: "json",
+            beforeSend: ajax_before_send,
             url: "/api/user/" + guild_id + "/" + user_id,
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
     
     function list_users() {
         var funct = $.ajax({
             dataType: "json",
+            beforeSend: ajax_before_send,
             url: "/api/user/" + guild_id,
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
     
@@ -233,8 +264,10 @@
         var funct = $.ajax({
             dataType: "json",
             url: url,
+            beforeSend: ajax_before_send,
             data: {"guild_id": guild_id}
         });
+        funct.always(ajax_always);
         return funct.promise();
     }
     
@@ -1999,7 +2032,14 @@
         }
     }
 
-    $("#discordlogin_btn").click(function() {
+    $("#discordlogin_btn").click(function(e) {
+        e.preventDefault();
+        var wid = window.open($("#discordlogin_btn").attr("href"), "_blank");
+        postRobot.on("setSession", { window: wid }, function(event) {
+            if (!passedCookieTest) {
+                session = event.data.session;
+            }
+        });
         lock_login_fields();
         wait_for_discord_login();
     });
@@ -2374,7 +2414,11 @@
         
         socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port + "/gateway", {path: '/gateway', transports: ['websocket'], query: "v=1"});
         socket.on('connect', function () {
-            socket.emit('identify', {"guild_id": guild_id, "visitor_mode": visitor_mode});
+            var sen = {"guild_id": guild_id, "visitor_mode": visitor_mode};
+            if (!passedCookieTest && session) {
+                sen["session"] = session;
+            }
+            socket.emit('identify', sen);
         });
 
         socket.on('hello', function (msg) {
@@ -2720,12 +2764,16 @@ window._3rd_party_test_step1_loaded = function () {
 
 window._3rd_party_test_step2_loaded = function (cookieSuccess) {
     if (!cookieSuccess) {
-        $("#third-party-cookies-notice").show().addClass("done");
+        //$("#third-party-cookies-notice").show().addClass("done");
-        $("#login-greeting-msg, #loginmodal-maincontent").hide();
+        //$("#login-greeting-msg, #loginmodal-maincontent").hide();
+        passedCookieTest = false;
     } else {
+        //$("#third-party-cookies-notice").hide().addClass("done");
+        //$("#login-greeting-msg, #loginmodal-maincontent").show();
+        passedCookieTest = true;
+    }
     $("#third-party-cookies-notice").hide().addClass("done");
     $("#login-greeting-msg, #loginmodal-maincontent").show();
-    }
 };
 
 window.setTimeout(function(){

webapp/titanembeds/templates/embed.html.j2

@@ -449,6 +449,7 @@
     <script src="https://cdnjs.cloudflare.com/ajax/libs/soundmanager2/2.97a.20150601/script/soundmanager2-nodebug-jsmin.js" integrity="sha256-5KBL+8gS3BkWOs22YOrezN3Djl4pwodgZaPQY9hgu4Y=" crossorigin="anonymous"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.35.3/es6-shim.min.js" integrity="sha256-THlgZSjqt7idNSdnUvGypTuXB5C4hV9kSuPYrbiq19o=" crossorigin="anonymous"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/caret/1.0.0/jquery.caret.min.js" integrity="sha256-NfP6KWI/oETcPbLcLXVAamn8K2wJrYH8ZIRrOf1XNUE=" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/post-robot/10.0.42/post-robot.min.js" integrity="sha512-8rkatbA3uOONyiRqBiT5dvzaE7hWX6m0SpVr/4rpAxxuZX+Vjuvqp+DSmF1sQX3268hMk8BZxHVRdgHmuoDhXQ==" crossorigin="anonymous"></script>
 
     <script src="{{ url_for("static", filename="js/vendor/highlight.pack.js") }}"></script>
     <script src="{{ url_for("static", filename="js/vendor/jquery.balloon.min.js") }}"></script>

webapp/titanembeds/templates/signin_complete.html.j2

@@ -5,8 +5,14 @@
     </head>
     <body>
         <p>Sign in complete! You may now close the window.</p>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/post-robot/10.0.42/post-robot.min.js" integrity="sha512-8rkatbA3uOONyiRqBiT5dvzaE7hWX6m0SpVr/4rpAxxuZX+Vjuvqp+DSmF1sQX3268hMk8BZxHVRdgHmuoDhXQ==" crossorigin="anonymous"></script>
         <script>
-            window.close()
+            const session = {{ session|tojson|safe }};
+            postRobot
+                .send(window.opener, 'setSession', { session: session })
+                .then(function () {
+                    window.close();
+                });
         </script>
     </body>
 </html>

webapp/titanembeds/utils.py

@@ -7,6 +7,7 @@ from flask_babel import Babel
 from flask_redis import FlaskRedis
 from config import config
 from sqlalchemy import and_
+from itsdangerous import URLSafeSerializer
 #from raven.contrib.flask import Sentry
 import random
 import string
@@ -22,6 +23,8 @@ from titanembeds.redisqueue import RedisQueue
 discord_api = DiscordREST(config['bot-token'])
 redisqueue = RedisQueue()
 
+serializer = URLSafeSerializer(config["app-secret"])
+
 def get_client_ipaddr():
     if request.headers.getlist("X-Forwarded-For"):
        ip = request.headers.getlist("X-Forwarded-For")[0]