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go back to bs58 and use other base64 decoder

Browse source 
as base-x isn't meant for base64
This commit is contained in:
Bruno Windels 2020-09-17 17:55:35 +02:00
parent 9d622434fb
commit 5752cca69c
7 changed files with 30 additions and 37 deletions
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3
package.json
View file

@ -49,7 +49,8 @@
"dependencies": {
"aes-js": "^3.1.2",
"another-json": "^0.2.0",
"base-x": "^3.0.8",
"base64-arraybuffer": "^0.2.0",
"bs58": "^4.0.1",
"olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz"
}
}

15
scripts/post-install.mjs
View file

@ -75,11 +75,17 @@ async function populateLib() {
path.join(modulesDir, 'another-json/another-json.js'),
path.join(libDir, "another-json/index.js")
);
// transpile base-x to esm
await fs.mkdir(path.join(libDir, "base-x/"));
// transpile bs58 to esm
await fs.mkdir(path.join(libDir, "bs58/"));
await commonjsToESM(
path.join(modulesDir, 'base-x/src/index.js'),
path.join(libDir, "base-x/index.js")
path.join(modulesDir, 'bs58/index.js'),
path.join(libDir, "bs58/index.js")
);
// transpile base64-arraybuffer to esm
await fs.mkdir(path.join(libDir, "base64-arraybuffer/"));
await commonjsToESM(
path.join(modulesDir, 'base64-arraybuffer/lib/base64-arraybuffer.js'),
path.join(libDir, "base64-arraybuffer/index.js")
);
// transpile aesjs to esm
await fs.mkdir(path.join(libDir, "aes-js/"));
@ -87,7 +93,6 @@ async function populateLib() {
path.join(modulesDir, 'aes-js/index.js'),
path.join(libDir, "aes-js/index.js")
);
}
populateLib();

4
src/matrix/e2ee/megolm/SessionBackup.js
View file

@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import {base64} from "../../utils/base-encoding.js";
import base64 from "../../../../lib/base64-arraybuffer/index.js";
export class SessionBackup {
constructor({backupInfo, decryption, hsApi}) {
@ -40,7 +40,7 @@ export class SessionBackup {
static async fromSecretStorage({olm, secretStorage, hsApi, txn}) {
const base64PrivateKey = await secretStorage.readSecret("m.megolm_backup.v1", txn);
if (base64PrivateKey) {
const privateKey = base64.decode(base64PrivateKey);
const privateKey = new Uint8Array(base64.decode(base64PrivateKey));
const backupInfo = await hsApi.roomKeysVersion().response();
const expectedPubKey = backupInfo.auth_data.public_key;
const decryption = new olm.PkDecryption();

2
src/matrix/ssss/SecretStorage.js
View file

@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import {base64} from "../../utils/base-encoding.js";
import base64 from "../../../lib/base64-arraybuffer/index.js";
export class SecretStorage {
constructor({key, cryptoDriver}) {

4
src/matrix/ssss/recoveryKey.js
View file

@ -13,7 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import {base58} from "../../utils/base-encoding.js";
import bs58 from "../../../lib/bs58/index.js";
import {Key} from "./common.js";
const OLM_RECOVERY_KEY_PREFIX = [0x8B, 0x01];
@ -25,7 +25,7 @@ const OLM_RECOVERY_KEY_PREFIX = [0x8B, 0x01];
* @return {Key}
*/
export function keyFromRecoveryKey(olm, keyDescription, recoveryKey) {
const result = base58.decode(recoveryKey.replace(/ /g, ''));
const result = bs58.decode(recoveryKey.replace(/ /g, ''));
let parity = 0;
for (const b of result) {

25
src/utils/base-encoding.js
View file

@ -1,25 +0,0 @@
/*
Copyright 2020 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import base from "../../lib/base-x/index.js";
// Dictionaries come from https://github.com/cryptocoinjs/base-x/, MIT licenced.
const BASE58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
const BASE64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
export const base58 = base(BASE58);
export const base64 = base(BASE64);

14
yarn.lock
View file

@ -945,13 +945,18 @@ balanced-match@^1.0.0:
resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
base-x@^3.0.8:
base-x@^3.0.2:
version "3.0.8"
resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.8.tgz#1e1106c2537f0162e8b52474a557ebb09000018d"
integrity sha512-Rl/1AWP4J/zRrk54hhlxH4drNxPJXYUaKffODVI53/dAsV4t9fBxyxYKAVPU1XBHxYwOWP9h9H0hM2MVw4YfJA==
dependencies:
safe-buffer "^5.0.1"
base64-arraybuffer@^0.2.0:
version "0.2.0"
resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.2.0.tgz#4b944fac0191aa5907afe2d8c999ccc57ce80f45"
integrity sha512-7emyCsu1/xiBXgQZrscw/8KPRT44I4Yq9Pe6EGs3aPRTsWuggML1/1DTuZUuIaJPIm1FTDUVXl4x/yW8s0kQDQ==
boolbase@~1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
@ -975,6 +980,13 @@ browserslist@^4.12.0, browserslist@^4.8.5:
escalade "^3.0.2"
node-releases "^1.1.60"
bs58@^4.0.1:
version "4.0.1"
resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
dependencies:
base-x "^3.0.2"
builtin-modules@^3.1.0:
version "3.1.0"
resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-3.1.0.tgz#aad97c15131eb76b65b50ef208e7584cd76a7484"