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terminal: support to connect via webrtc (#659)

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* terminal: support to connect via webrtc

* npm package

* update webrtc npm package

* remove console.log

* fix test
This commit is contained in:
Evgeny Poberezkin
2022-05-17 08:37:00 +01:00
committed by GitHub
parent 84bf815e5c
commit 295cec7c53
12 changed files with 231 additions and 113 deletions
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apps/android/app/src/main/assets/www/call.js
+18 -17
View File
@@ -431,8 +431,9 @@ function callCryptoFunction() {
};
}
function decodeAesKey(aesKey) {
const keyData = callCrypto.decodeBase64(callCrypto.encodeAscii(aesKey));
return crypto.subtle.importKey("raw", keyData, { name: "AES-GCM", length: 256 }, false, ["encrypt", "decrypt"]);
const keyData = callCrypto.decodeBase64url(callCrypto.encodeAscii(aesKey));
console.log("keyData", keyData);
return crypto.subtle.importKey("raw", keyData, { name: "AES-GCM", length: 256 }, true, ["encrypt", "decrypt"]);
}
function concatN(...bs) {
const a = new Uint8Array(bs.reduce((size, b) => size + b.byteLength, 0));
@@ -445,9 +446,9 @@ function callCryptoFunction() {
function randomIV() {
return crypto.getRandomValues(new Uint8Array(IV_LENGTH));
}
const base64chars = new Uint8Array("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("").map((c) => c.charCodeAt(0)));
const base64lookup = new Array(256);
base64chars.forEach((c, i) => (base64lookup[c] = i));
const base64urlChars = new Uint8Array("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_".split("").map((c) => c.charCodeAt(0)));
const base64urlLookup = new Array(256);
base64urlChars.forEach((c, i) => (base64urlLookup[c] = i));
const char_equal = "=".charCodeAt(0);
function encodeAscii(s) {
const a = new Uint8Array(s.length);
@@ -462,16 +463,16 @@ function callCryptoFunction() {
s += String.fromCharCode(a[i]);
return s;
}
function encodeBase64(a) {
function encodeBase64url(a) {
const len = a.length;
const b64len = Math.ceil(len / 3) * 4;
const b64 = new Uint8Array(b64len);
let j = 0;
for (let i = 0; i < len; i += 3) {
b64[j++] = base64chars[a[i] >> 2];
b64[j++] = base64chars[((a[i] & 3) << 4) | (a[i + 1] >> 4)];
b64[j++] = base64chars[((a[i + 1] & 15) << 2) | (a[i + 2] >> 6)];
b64[j++] = base64chars[a[i + 2] & 63];
b64[j++] = base64urlChars[a[i] >> 2];
b64[j++] = base64urlChars[((a[i] & 3) << 4) | (a[i + 1] >> 4)];
b64[j++] = base64urlChars[((a[i + 1] & 15) << 2) | (a[i + 2] >> 6)];
b64[j++] = base64urlChars[a[i + 2] & 63];
}
if (len % 3)
b64[b64len - 1] = char_equal;
@@ -479,7 +480,7 @@ function callCryptoFunction() {
b64[b64len - 2] = char_equal;
return b64;
}
function decodeBase64(b64) {
function decodeBase64url(b64) {
let len = b64.length;
if (len % 4)
return;
@@ -496,10 +497,10 @@ function callCryptoFunction() {
let i = 0;
let pos = 0;
while (i < len) {
const enc1 = base64lookup[b64[i++]];
const enc2 = i < len ? base64lookup[b64[i++]] : 0;
const enc3 = i < len ? base64lookup[b64[i++]] : 0;
const enc4 = i < len ? base64lookup[b64[i++]] : 0;
const enc1 = base64urlLookup[b64[i++]];
const enc2 = i < len ? base64urlLookup[b64[i++]] : 0;
const enc3 = i < len ? base64urlLookup[b64[i++]] : 0;
const enc4 = i < len ? base64urlLookup[b64[i++]] : 0;
if (enc1 === undefined || enc2 === undefined || enc3 === undefined || enc4 === undefined)
return;
bytes[pos++] = (enc1 << 2) | (enc2 >> 4);
@@ -513,8 +514,8 @@ function callCryptoFunction() {
decodeAesKey,
encodeAscii,
decodeAscii,
encodeBase64,
decodeBase64,
encodeBase64url,
decodeBase64url,
};
}
// If the worker is used for decryption, this function code (as string) is used to load the worker via Blob