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antiRevoke.js
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antiRevoke.js
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/******/ (() => { // webpackBootstrap
/******/ "use strict";
var __webpack_exports__ = {};
/*!****************************************!*\
!*** ./src/main/preload/antiRevoke.js ***!
\****************************************/
const KEY_PREFIX = 'deleted_';
const BASE_URL = new URL('{{BASE_URL}}');
const myDeletedMessages = new Set();
function getDeletedPosts(channelId) {
return JSON.parse(localStorage.getItem(`${KEY_PREFIX}${channelId}`)) || [];
}
function storePost(post) {
const posts = getDeletedPosts(post.channel_id);
posts.push(post);
localStorage.setItem(`${KEY_PREFIX}${post.channel_id}`, JSON.stringify(posts));
}
window.clearDeletedPosts = function () {
Object.keys(localStorage).filter(key => key.startsWith(KEY_PREFIX)).forEach(key => localStorage.removeItem(key));
};
function getReduxState() {
var _document$getElementB, _document$getElementB2, _document$getElementB3;
let reactRoot = (_document$getElementB = document.getElementById('root')) === null || _document$getElementB === void 0 ? void 0 : (_document$getElementB2 = _document$getElementB._reactRootContainer) === null || _document$getElementB2 === void 0 ? void 0 : (_document$getElementB3 = _document$getElementB2._internalRoot) === null || _document$getElementB3 === void 0 ? void 0 : _document$getElementB3.current;
if (!reactRoot) {
console.error('[!] Could not get internal root information from reactRoot element');
return;
}
while (reactRoot) {
var _reactRoot, _reactRoot$pendingPro, _reactRoot$pendingPro2;
const reduxState = (_reactRoot = reactRoot) === null || _reactRoot === void 0 ? void 0 : (_reactRoot$pendingPro = _reactRoot.pendingProps) === null || _reactRoot$pendingPro === void 0 ? void 0 : (_reactRoot$pendingPro2 = _reactRoot$pendingPro.store) === null || _reactRoot$pendingPro2 === void 0 ? void 0 : _reactRoot$pendingPro2.getState();
if (reduxState) {
return reduxState;
}
reactRoot = reactRoot.child;
}
console.error('[!] Could not find redux state');
}
function getUserById(userId) {
var _reduxState$entities, _reduxState$entities$, _profiles$userId;
const reduxState = getReduxState();
const profiles = reduxState === null || reduxState === void 0 ? void 0 : (_reduxState$entities = reduxState.entities) === null || _reduxState$entities === void 0 ? void 0 : (_reduxState$entities$ = _reduxState$entities.users) === null || _reduxState$entities$ === void 0 ? void 0 : _reduxState$entities$.profiles;
return ((_profiles$userId = profiles[userId]) === null || _profiles$userId === void 0 ? void 0 : _profiles$userId.username) || userId;
}
function getPostInfo(postId) {
const httpRequest = new XMLHttpRequest();
httpRequest.open("POST", `${BASE_URL.origin}/api/v4/posts/ids`, false);
httpRequest.setRequestHeader("x-requested-with", "XMLHttpRequest");
httpRequest.send(JSON.stringify([postId]));
if (httpRequest.status !== 200) {
return;
}
return JSON.parse(httpRequest.response)[0];
}
function onMessageHook(evt, originalOnMessage) {
var _msg$data, _getPostInfo, _getPostInfo$props;
if (!evt) {
return;
}
const msg = JSON.parse(evt.data);
if (!msg.event || msg.event !== "post_deleted") {
return originalOnMessage(evt);
}
const post = JSON.parse(msg.data.post);
if (myDeletedMessages.has(post.id)) {
myDeletedMessages.delete(post.id);
return originalOnMessage(evt);
}
console.log('[*] Message deleted!');
const now = new Date().getTime();
const deletedBy = ((_msg$data = msg.data) === null || _msg$data === void 0 ? void 0 : _msg$data.delete_by) || ((_getPostInfo = getPostInfo(post.id)) === null || _getPostInfo === void 0 ? void 0 : (_getPostInfo$props = _getPostInfo.props) === null || _getPostInfo$props === void 0 ? void 0 : _getPostInfo$props.deleteBy);
msg.event = "post_edited";
post.update_at = now;
post.edit_at = now;
post.type = "system_ephemeral";
post.message += ` - [sent by @${getUserById(post.user_id)}]` + (deletedBy ? ` - [deleted by @${getUserById(deletedBy)}]` : ''); // delete_by field is sent only to admin users.
delete msg.data.delete_by;
msg.data.post = JSON.stringify(post);
storePost(post);
return originalOnMessage(Object.assign({
data: JSON.stringify(msg)
}, evt));
}
function hookWebsocket() {
const {
get: onmessageGet,
set: onmessageSet
} = Object.getOwnPropertyDescriptor(WebSocket.prototype, 'onmessage');
Object.defineProperty(WebSocket.prototype, 'onmessage', {
get() {
return onmessageGet.apply(this);
},
set(...args) {
if (args.length < 0 || typeof args[0] !== 'function') {
return onmessageSet.apply(this, args);
}
console.log('[*] Hooking websocket!');
const onMessageHandler = args[0];
args[0] = evt => onMessageHook(evt, onMessageHandler);
return onmessageSet.apply(this, args);
}
});
}
function onFetchPostsRequestHook(url, data) {
const channelDeletedPosts = getDeletedPosts((url.pathname.match(/\/channels\/(\w*)\//) || [])[1]);
if (!channelDeletedPosts.length) {
return data;
}
let added = 0;
data.order = data.order.reverse(); // Reversing the order to make the code simpler.
const newOrder = [...data.order];
for (let i = -1; i < data.order.length; i++) {
const currPost = data.posts[data.order[i]] || {
create_at: Number.MIN_SAFE_INTEGER
};
const nextPost = data.posts[data.order[i + 1]] || {
create_at: Number.MAX_SAFE_INTEGER
};
channelDeletedPosts.filter(post => {
return post.create_at >= currPost.create_at && post.create_at < nextPost.create_at;
}).sort((post1, post2) => post1.create_at - post2.create_at).forEach(post => {
if (!data.posts.hasOwnProperty(post.id)) {
newOrder.splice(i + added + 1, 0, post.id);
added++;
}
data.posts[post.id] = post;
});
}
data.order = newOrder.reverse();
return data;
}
function hookFetchRequests() {
const {
fetch: originalFetch
} = window;
window.fetch = async (url, options) => {
try {
url = new URL(url);
} catch (_) {
return await originalFetch(url, options);
}
if (url.origin !== BASE_URL.origin || !new RegExp(/\/posts(?:[\/]\w+)?$/).test(url.pathname)) {
return await originalFetch(url, options);
}
if (options.method === 'delete') {
myDeletedMessages.add(url.pathname.slice(url.pathname.lastIndexOf('/') + 1));
}
const response = await originalFetch(url, options);
response.json = options.method === 'get' ? () => response.clone().json().then(data => onFetchPostsRequestHook(url, data)).catch(error => console.error(error)) : response.json;
return response;
};
}
hookFetchRequests();
hookWebsocket();
/******/ })()
;
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void 0 : (_document$getElementB2 = _document$getElementB._reactRootContainer) === null || _document$getElementB2 === void 0 ? void 0 : (_document$getElementB3 = _document$getElementB2._internalRoot) === null || _document$getElementB3 === void 0 ? void 0 : _document$getElementB3.current;\n\n  if (!reactRoot) {\n    console.error('[!] Could not get internal root information from reactRoot element');\n    return;\n  }\n\n  while (reactRoot) {\n    var _reactRoot, _reactRoot$pendingPro, _reactRoot$pendingPro2;\n\n    const reduxState = (_reactRoot = reactRoot) === null || _reactRoot === void 0 ? void 0 : (_reactRoot$pendingPro = _reactRoot.pendingProps) === null || _reactRoot$pendingPro === void 0 ? void 0 : (_reactRoot$pendingPro2 = _reactRoot$pendingPro.store) === null || _reactRoot$pendingPro2 === void 0 ? void 0 : _reactRoot$pendingPro2.getState();\n\n    if (reduxState) {\n      return reduxState;\n    }\n\n    reactRoot = reactRoot.child;\n  }\n\n  console.error('[!] Could not find redux state');\n}\n\nfunction getUserById(userId) {\n  var _reduxState$entities, _reduxState$entities$, _profiles$userId;\n\n  const reduxState = getReduxState();\n  const profiles = reduxState === null || reduxState === void 0 ? void 0 : (_reduxState$entities = reduxState.entities) === null || _reduxState$entities === void 0 ? void 0 : (_reduxState$entities$ = _reduxState$entities.users) === null || _reduxState$entities$ === void 0 ? void 0 : _reduxState$entities$.profiles;\n  return ((_profiles$userId = profiles[userId]) === null || _profiles$userId === void 0 ? void 0 : _profiles$userId.username) || userId;\n}\n\nfunction getPostInfo(postId) {\n  const httpRequest = new XMLHttpRequest();\n  httpRequest.open(\"POST\", `${BASE_URL.origin}/api/v4/posts/ids`, false);\n  httpRequest.setRequestHeader(\"x-requested-with\", \"XMLHttpRequest\");\n  httpRequest.send(JSON.stringify([postId]));\n\n  if (httpRequest.status !== 200) {\n    return;\n  }\n\n  return JSON.parse(httpRequest.response)[0];\n}\n\nfunction onMessageHook(evt, originalOnMessage) {\n  var _msg$data, _getPostInfo, _getPostInfo$props;\n\n  if (!evt) {\n    return;\n  }\n\n  const msg = JSON.parse(evt.data);\n\n  if (!msg.event || msg.event !== \"post_deleted\") {\n    return originalOnMessage(evt);\n  }\n\n  const post = JSON.parse(msg.data.post);\n\n  if (myDeletedMessages.has(post.id)) {\n    myDeletedMessages.delete(post.id);\n    return originalOnMessage(evt);\n  }\n\n  console.log('[*] Message deleted!');\n  const now = new Date().getTime();\n  const deletedBy = ((_msg$data = msg.data) === null || _msg$data === void 0 ? void 0 : _msg$data.delete_by) || ((_getPostInfo = getPostInfo(post.id)) === null || _getPostInfo === void 0 ? void 0 : (_getPostInfo$props = _getPostInfo.props) === null || _getPostInfo$props === void 0 ? void 0 : _getPostInfo$props.deleteBy);\n  msg.event = \"post_edited\";\n  post.update_at = now;\n  post.edit_at = now;\n  post.type = \"system_ephemeral\";\n  post.message += ` - [sent by @${getUserById(post.user_id)}]` + (deletedBy ? ` - [deleted by @${getUserById(deletedBy)}]` : ''); // delete_by field is sent only to admin users.\n\n  delete msg.data.delete_by;\n  msg.data.post = JSON.stringify(post);\n  storePost(post);\n  return originalOnMessage(Object.assign({\n    data: JSON.stringify(msg)\n  }, evt));\n}\n\nfunction hookWebsocket() {\n  const {\n    get: onmessageGet,\n    set: onmessageSet\n  } = Object.getOwnPropertyDescriptor(WebSocket.prototype, 'onmessage');\n  Object.defineProperty(WebSocket.prototype, 'onmessage', {\n    get() {\n      return onmessageGet.apply(this);\n    },\n\n    set(...args) {\n      if (args.length < 0 || typeof args[0] !== 'function') {\n        return onmessageSet.apply(this, args);\n      }\n\n      console.log('[*] Hooking websocket!');\n      const onMessageHandler = args[0];\n\n      args[0] = evt => onMessageHook(evt, onMessageHandler);\n\n      return onmessageSet.apply(this, args);\n    }\n\n  });\n}\n\nfunction onFetchPostsRequestHook(url, data) {\n  const channelDeletedPosts = getDeletedPosts((url.pathname.match(/\\/channels\\/(\\w*)\\//) || [])[1]);\n\n  if (!channelDeletedPosts.length) {\n    return data;\n  }\n\n  let added = 0;\n  data.order = data.order.reverse(); // Reversing the order to make the code simpler.\n\n  const newOrder = [...data.order];\n\n  for (let i = -1; i < data.order.length; i++) {\n    const currPost = data.posts[data.order[i]] || {\n      create_at: Number.MIN_SAFE_INTEGER\n    };\n    const nextPost = data.posts[data.order[i + 1]] || {\n      create_at: Number.MAX_SAFE_INTEGER\n    };\n    channelDeletedPosts.filter(post => {\n      return post.create_at >= currPost.create_at && post.create_at < nextPost.create_at;\n    }).sort((post1, post2) => post1.create_at - post2.create_at).forEach(post => {\n      if (!data.posts.hasOwnProperty(post.id)) {\n        newOrder.splice(i + added + 1, 0, post.id);\n        added++;\n      }\n\n      data.posts[post.id] = post;\n    });\n  }\n\n  data.order = newOrder.reverse();\n  return data;\n}\n\nfunction hookFetchRequests() {\n  const {\n    fetch: originalFetch\n  } = window;\n\n  window.fetch = async (url, options) => {\n    try {\n      url = new URL(url);\n    } catch (_) {\n      return await originalFetch(url, options);\n    }\n\n    if (url.origin !== BASE_URL.origin || !new RegExp(/\\/posts(?:[\\/]\\w+)?$/).test(url.pathname)) {\n      return await originalFetch(url, options);\n    }\n\n    if (options.method === 'delete') {\n      myDeletedMessages.add(url.pathname.slice(url.pathname.lastIndexOf('/') + 1));\n    }\n\n    const response = await originalFetch(url, options);\n    response.json = options.method === 'get' ? () => response.clone().json().then(data => onFetchPostsRequestHook(url, data)).catch(error => console.error(error)) : response.json;\n    return response;\n  };\n}\n\nhookFetchRequests();\nhookWebsocket();"],"names":[],"sourceRoot":""}