verdnatura-mirror/Rocket.Chat.ReactNative
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Rocket.Chat.ReactNative
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Cleanup

This commit is contained in:
Diego Mello 2024-05-14 15:37:22 -03:00
parent f8788963ca
commit e62ed6c120
7 changed files with 24 additions and 322 deletions

4
app/definitions/IMessage.ts
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@ -142,6 +142,10 @@ export interface IMessage extends IMessageFromServer {
tmsg?: string;
blocks?: any;
e2e?: E2EType;
content?: {
algorithm: 'rc.v1.aes-sha2';
ciphertext: string; // Encrypted subset JSON of IMessage
};
tshow?: boolean;
comment?: string;
subscription?: { id: string };

42
app/lib/encryption/encryption.ts
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@ -44,8 +44,6 @@ class Encryption {
decrypt: Function;
encrypt: Function;
encryptText: Function;
encryptFile: Function;
decryptFile: Function;
encryptUpload: Function;
importRoomKey: Function;
};
@ -522,46 +520,6 @@ class Encryption {
// Decrypt multiple subscriptions
decryptSubscriptions = (subscriptions: ISubscription[]) => Promise.all(subscriptions.map(s => this.decryptSubscription(s)));
// Encrypt a file
encryptFile = async (rid: string, path: string, iv: ArrayBuffer) => {
try {
// If the client is not ready
if (!this.ready) {
// Wait for ready status
await this.establishing;
}
const roomE2E = await this.getRoomInstance(rid);
return roomE2E.encryptFile(path, iv);
} catch (e) {
console.error(e);
}
// Send a non encrypted message
return null;
};
// decrypt a file
decryptFile = async (rid: string, path: string, iv: ArrayBuffer) => {
try {
// If the client is not ready
if (!this.ready) {
// Wait for ready status
await this.establishing;
}
const roomE2E = await this.getRoomInstance(rid);
return roomE2E.decryptFile(path, iv);
} catch (e) {
console.error(e);
}
// Send a non encrypted message
return null;
};
}
const encryption = new Encryption();

52
app/lib/encryption/room.ts
View File

@ -269,58 +269,6 @@ export default class EncryptionRoom {
return message;
};
// Encrypt
encryptFile = async (p: string, iv: ArrayBuffer) => {
console.log('🚀 ~ EncryptionRoom ~ encryptFile= ~ p:', p);
if (!this.ready) {
console.log('🚀 ~ EncryptionRoom ~ encryptFile= ~ this.ready:', this.ready);
return null;
}
try {
// const path = utf8ToBuffer(p);
const path = p;
console.log('🚀 ~ EncryptionRoom ~ encryptFile= ~ path:', path);
// const vector = await SimpleCrypto.utils.randomBytes(16);
const data = await SimpleCrypto.AES.encryptFile(path, this.roomKey as ArrayBuffer, iv);
console.log('🚀 ~ EncryptionRoom ~ encryptFile= ~ this.roomKey:', bufferToB64URI(this.roomKey));
console.log('🚀 ~ EncryptionRoom ~ encryptFile= ~ data:', data);
// return this.keyID + bufferToB64(joinVectorData(vector, data));
return data;
} catch (e) {
// Do nothing
console.error(e);
}
return null;
};
decryptFile = async (p: string, iv: ArrayBuffer) => {
console.log('🚀 ~ EncryptionRoom ~ decryptFile= ~ p:', p);
if (!this.ready) {
console.log('🚀 ~ EncryptionRoom ~ decryptFile= ~ this.ready:', this.ready);
return null;
}
try {
// const path = utf8ToBuffer(p);
const path = p;
console.log('🚀 ~ EncryptionRoom ~ decryptFile= ~ path:', path);
// const vector = await SimpleCrypto.utils.randomBytes(16);
const data = await SimpleCrypto.AES.decryptFile(path, this.roomKey as ArrayBuffer, iv);
console.log('🚀 ~ EncryptionRoom ~ decryptFile= ~ data:', data);
// return this.keyID + bufferToB64(joinVectorData(vector, data));
return data;
} catch (e) {
// Do nothing
console.error(e);
}
return null;
};
// Decrypt text
decryptText = async (msg: string | ArrayBuffer) => {
if (!msg) {

188
app/lib/encryption/utils.ts
View File

@ -1,7 +1,5 @@
import ByteBuffer from 'bytebuffer';
import SimpleCrypto from 'react-native-simple-crypto';
import EJSON from 'ejson';
import { atob } from 'js-base64';
import { random } from '../methods/helpers';
import { fromByteArray, toByteArray } from './helpers/base64-js';
@ -41,7 +39,6 @@ export const bufferToB64URI = (buffer: ArrayBuffer): string => {
return base64;
};
export const b64URIToBuffer = (base64: string): ArrayBuffer => {
console.log('🚀 ~ b64URIToBuffer ~ base64:', base64);
const bufferLength = base64.length * 0.75;
const len = base64.length;
let i;
@ -96,7 +93,15 @@ export const randomPassword = (): string => `${random(3)}-${random(3)}-${random(
export const generateAESCTRKey = () => SimpleCrypto.utils.randomBytes(32);
export const exportAESCTR = key => {
interface IExportedKey {
kty: string;
alg: string;
k: string;
ext: boolean;
key_ops: string[];
}
export const exportAESCTR = (key: ArrayBuffer): IExportedKey => {
// Web Crypto format of a Secret Key
const exportedKey = {
// Type of Secret Key
@ -111,181 +116,10 @@ export const exportAESCTR = key => {
};
return exportedKey;
// return EJSON.stringify(exportedKey);
};
export const encryptAESCTR = (path: string, key: ArrayBuffer, vector: ArrayBuffer) =>
export const encryptAESCTR = (path: string, key: string, vector: string): Promise<string> =>
SimpleCrypto.AES.encryptFile(path, key, vector);
export const decryptAESCTR = (path: string, key: ArrayBuffer, vector: ArrayBuffer) =>
export const decryptAESCTR = (path: string, key: string, vector: string): Promise<string> =>
SimpleCrypto.AES.decryptFile(path, key, vector);
// Base 64 encoding
const BASE_64_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
const BASE_64_VALS = Object.create(null);
const getChar = (val: number) => BASE_64_CHARS.charAt(val);
const getVal = (ch: string) => (ch === '=' ? -1 : BASE_64_VALS[ch]);
for (let i = 0; i < BASE_64_CHARS.length; i++) {
BASE_64_VALS[getChar(i)] = i;
}
// XXX This is a weird place for this to live, but it's used both by
// this package and 'ejson', and we can't put it in 'ejson' without
// introducing a circular dependency. It should probably be in its own
// package or as a helper in a package that both 'base64' and 'ejson'
// use.
const newBinary = (len: number) => {
if (typeof Uint8Array === 'undefined' || typeof ArrayBuffer === 'undefined') {
const ret = Object.assign(
Array.from({ length: len }, () => 0),
{
$Uint8ArrayPolyfill: true
}
);
return ret;
}
return new Uint8Array(new ArrayBuffer(len));
};
const encode = (array: ArrayLike<number> | string) => {
if (typeof array === 'string') {
const str = array;
const binary = newBinary(str.length);
for (let i = 0; i < str.length; i++) {
const ch = str.charCodeAt(i);
if (ch > 0xff) {
throw new Error('Not ascii. Base64.encode can only take ascii strings.');
}
binary[i] = ch;
}
array = binary;
}
const answer: string[] = [];
let a: number | null = null;
let b: number | null = null;
let c: number | null = null;
let d: number | null = null;
for (let i = 0; i < array.length; i++) {
switch (i % 3) {
case 0:
a = (array[i] >> 2) & 0x3f;
b = (array[i] & 0x03) << 4;
break;
case 1:
b = (b ?? 0) | ((array[i] >> 4) & 0xf);
c = (array[i] & 0xf) << 2;
break;
case 2:
c = (c ?? 0) | ((array[i] >> 6) & 0x03);
d = array[i] & 0x3f;
answer.push(getChar(a ?? 0));
answer.push(getChar(b ?? 0));
answer.push(getChar(c));
answer.push(getChar(d));
a = null;
b = null;
c = null;
d = null;
break;
}
}
if (a !== null) {
answer.push(getChar(a));
answer.push(getChar(b ?? 0));
if (c === null) {
answer.push('=');
} else {
answer.push(getChar(c));
}
if (d === null) {
answer.push('=');
}
}
return answer.join('');
};
const decode = (str: string) => {
let len = Math.floor((str.length * 3) / 4);
if (str.charAt(str.length - 1) === '=') {
len--;
if (str.charAt(str.length - 2) === '=') {
len--;
}
}
const arr = newBinary(len);
let one: number | null = null;
let two: number | null = null;
let three: number | null = null;
let j = 0;
for (let i = 0; i < str.length; i++) {
const c = str.charAt(i);
const v = getVal(c);
switch (i % 4) {
case 0:
if (v < 0) {
throw new Error('invalid base64 string');
}
one = v << 2;
break;
case 1:
if (v < 0) {
throw new Error('invalid base64 string');
}
one = (one ?? 0) | (v >> 4);
arr[j++] = one;
two = (v & 0x0f) << 4;
break;
case 2:
if (v >= 0) {
two = (two ?? 0) | (v >> 2);
arr[j++] = two;
three = (v & 0x03) << 6;
}
break;
case 3:
if (v >= 0) {
arr[j++] = (three ?? 0) | v;
}
break;
}
}
return arr;
};
export function base64Decode(string) {
string = atob(string);
const { length } = string;
const buf = new ArrayBuffer(length);
const bufView = new Uint8Array(buf);
for (let i = 0; i < string.length; i++) {
bufView[i] = string.charCodeAt(i);
}
return buf;
}
// console.log(
// atob(
// 'eyJrZXkiOnsiYWxnIjoiQTI1NkNUUiIsImV4dCI6dHJ1ZSwiayI6Ink1MDhHNTNTZHpvVnVibVM1Z01leHpmLXBkeDVDd3hZZFQwNVNBcVdURU0iLCJrZXlfb3BzIjpbImVuY3J5cHQiLCJkZWNyeXB0Il0sImt0eSI6Im9jdCJ9LCJpdiI6IkRBQnY2YnRhRTg1ZEVyTTJMdGJXakE9PSJ9'
// )
// );
export const Base64 = { encode, decode, newBinary };

22
app/lib/methods/handleMediaDownload.ts
View File

@ -213,7 +213,6 @@ export function downloadMediaFile({
let downloadKey = '';
try {
const path = getFilePath({ type, mimeType, urlToCache: downloadUrl, encrypted: !!encryption });
console.log('🚀 ~ returnnewPromise ~ path:', path);
if (!path) {
return reject();
}
@ -221,25 +220,14 @@ export function downloadMediaFile({
downloadQueue[downloadKey] = FileSystem.createDownloadResumable(downloadUrl, path);
const result = await downloadQueue[downloadKey].downloadAsync();
console.log('🚀 ~ returnnewPromise ~ result:', result);
if (!result) {
return reject();
}
// const decryptedFile = await Encryption.decryptFile(rid, result.uri.substring(7), encryption.key, encryption.iv);
// console.log('🚀 ~ downloadMediaFile ~ decryptedFile:', decryptedFile);
console.log('🚀 ~ returnnewPromise ~ encryption:', encryption);
// const exportedKeyArrayBuffer = b64URIToBuffer(encryption.key.k);
// const vector = b64URIToBuffer(encryption.iv);
// const vector = b64ToBuffer(encryption.iv);
// const vector = Base64.decode(encryption.iv);
// const vector = Base64.decode(encryption.iv);
// const vector = b64ToBuffer(encryption.iv);
// console.log('🚀 ~ returnnewPromise ~ vector:', vector);
const decryptedFile = await decryptAESCTR(result.uri.substring(7), encryption.key.k, encryption.iv);
console.log('🚀 ~ handleMediaDownload ~ decryptedFile:', decryptedFile);
const decryptedFile = await decryptAESCTR(result.uri, encryption.key.k, encryption.iv);
if (decryptedFile) {
return resolve(`file://${decryptedFile}`);
return resolve(decryptedFile);
}
return reject();
} catch (e) {

6
app/lib/methods/sendFileMessage.ts
View File

@ -139,7 +139,6 @@ export function sendFileMessage(
'X-Auth-Token': token,
'X-User-Id': id
};
console.log('🚀 ~ returnnewPromise ~ RocketChatSettings.customHeaders:', RocketChatSettings.customHeaders);
try {
const data = formData.map(item => {
@ -153,14 +152,9 @@ export function sendFileMessage(
}
return item;
});
console.log('🚀 ~ data ~ data:', data);
const response = await RNFetchBlob.fetch('POST', uploadUrl, headers, data);
console.log(response);
const json = response.json();
console.log('🚀 ~ returnnewPromise ~ json:', json);
console.log('🚀 ~ returnnewPromise ~ getContent:', getContent);
let content;
if (getContent) {
content = await getContent(json.file._id, json.file.url);

32
app/views/ShareView/index.tsx
View File

@ -39,15 +39,7 @@ import { sendFileMessage, sendMessage } from '../../lib/methods';
import { hasPermission, isAndroid, canUploadFile, isReadOnly, isBlocked } from '../../lib/methods/helpers';
import { RoomContext } from '../RoomView/context';
import { Encryption } from '../../lib/encryption';
import {
Base64,
b64URIToBuffer,
bufferToB64,
decryptAESCTR,
encryptAESCTR,
exportAESCTR,
generateAESCTRKey
} from '../../lib/encryption/utils';
import { bufferToB64, encryptAESCTR, exportAESCTR, generateAESCTRKey } from '../../lib/encryption/utils';
interface IShareViewState {
selected: IShareAttachment;
@ -264,36 +256,21 @@ class ShareView extends Component<IShareViewProps, IShareViewState> {
try {
// Send attachment
if (attachments.length) {
console.log('🚀 ~ ShareView ~ send= ~ attachments:', attachments);
await Promise.all(
attachments.map(async ({ filename: name, mime: type, description, size, canUpload }) => {
if (!canUpload) {
return Promise.resolve(); // Resolve immediately if upload is not allowed
return Promise.resolve();
}
try {
const { path } = attachments[0]; // Consider if you need a specific attachment or iterate over each
const { path } = attachments[0];
const vector = await SimpleCrypto.utils.randomBytes(16);
const key = await generateAESCTRKey();
const exportedKey = await exportAESCTR(key);
// console.log('🚀 ~ ShareView ~ send= ~ exportedKey:', exportedKey, exportedKey.k);
// const exportedKeyArrayBuffer = b64URIToBuffer(exportedKey.k);
// console.log('BASE64 BASE64 BASE64 key:', exportedKey, exportedKey.k);
// console.log('BASE64 BASE64 BASE64 vector:', bufferToB64(vector));
// console.log('BASE64 BASE64 BASE64 vector:', bufferToB64(vector));
const encryptedFile = await encryptAESCTR(path, exportedKey.k, bufferToB64(vector));
// console.log('🚀 ~ ShareView ~ send= ~ encryptedFile:', encryptedFile);
// const decryptedFile = await decryptAESCTR(encryptedFile, exportedKeyArrayBuffer, vector);
// console.log('🚀 ~ ShareView ~ send= ~ decryptedFile:', decryptedFile);
const getContent = async (_id: string, fileUrl: string) => {
// console.log('🚀 ~ ShareView ~ getContent ~ _id:', _id, fileUrl);
const attachments = [];
// console.log('🚀 ~ ShareView ~ getContent ~ attachment.encryption.exportedKey:', vector, exportedKey);
const attachment = {
title: name,
@ -314,7 +291,6 @@ class ShareView extends Component<IShareViewProps, IShareViewState> {
const data = EJSON.stringify({
attachments
});
// console.log('🚀 ~ ShareView ~ getContent ~ attachments:', attachments, data);
return {
algorithm: 'rc.v1.aes-sha2',
@ -343,7 +319,7 @@ class ShareView extends Component<IShareViewProps, IShareViewState> {
);
} catch (e) {
console.error(e);
return Promise.reject(e); // Ensure that errors are propagated
return Promise.reject(e);
}
})
);