chore: experiments with proto

This commit is contained in:
Pavel-Savely Savianok 2025-07-23 21:41:50 +03:00
parent 53233bffea
commit 8c92239aa4

View File

@ -6,9 +6,9 @@ const otpauthScheme = "otpauth:/";
const googleMigrationScheme = "otpauth-migration:/";
export function getTOTPByLink(link) {
if(link.includes(otpauthScheme))
if (link.includes(otpauthScheme))
return getByOtpauthScheme(link)
if(link.includes(googleMigrationScheme))
if (link.includes(googleMigrationScheme))
return getByGoogleMigrationScheme(link)
return null;
@ -21,7 +21,7 @@ function getHashType(algorithm) {
else return "SHA-1";
}
function getByOtpauthScheme(link){
function getByOtpauthScheme(link) {
try {
let args = link.split("/", otpauthScheme.length);
let type = args[2]; //Returns 'hotp' or 'totp'
@ -40,9 +40,9 @@ function getByOtpauthScheme(link){
if (secret === undefined) throw new Error("Secret not defined");
if(issuer == client){
issuer = args[3].split("issuer=")[1]?.split("&")[0];
}
if (issuer == client) {
issuer = args[3].split("issuer=")[1]?.split("&")[0];
}
issuer = decodeURIComponent(issuer);
client = decodeURIComponent(client);
@ -57,58 +57,79 @@ function getByOtpauthScheme(link){
getHashType(algorithm)
);
} catch (err) {
console.log(err)
console.log(err)
return null;
}
}
function getByGoogleMigrationScheme(link){
function getByGoogleMigrationScheme(link) {
let data = link.split("data=")[1]; //Returns base64 encoded data
data = decodeURIComponent(data);
let decode = base64decode(data);
let proto = decodeProto(decode);
let data = link.split("data=")[1]; //Returns base64 encoded data
data = decodeURIComponent(data);
let decode = base64decode(data);
let proto = decodeProto(decode);
let protoTotps = [];
let totps = [];
proto.parts.forEach(part => {
if(part.type == TYPES.LENDELIM){
protoTotps.push(decodeProto(part.value));
}
});
totps.push(new TOTP(
"",
data,
decode,
6,
30,
0,
"SHA-1"
));
let totps = [];
protoTotps.forEach(x => {
let type = x.parts.filter(x => x.index == 6)[0]; //find type of OTP
if(type.value !== '2'){
console.log("ERR: it's a not TOTP record")
return;
}
let secret = x.parts.filter(x => x.index == 1)[0].value;
secret = encode(secret);
totps.push(new TOTP(
"",
proto.leftOver,
proto.parts.length,
6,
30,
0,
"SHA-1"
));
let name = bytesToString(x.parts.filter(x => x.index == 2)[0].value);
let issuer = bytesToString(x.parts.filter(x => x.index == 3)[0].value);
let protoTotps = [];
totps.push(new TOTP(
proto.parts.forEach(part => {
if (part.type == TYPES.LENDELIM) {
protoTotps.push(decodeProto(part.value));
}
});
protoTotps.forEach(x => {
let type = x.parts.filter(x => x.index == 6)[0]; //find type of OTP
if (type.value !== '2') {
console.log("ERR: it's a not TOTP record")
return;
}
let secret = x.parts.filter(x => x.index == 1)[0].value;
secret = encode(secret);
let name = bytesToString(x.parts.filter(x => x.index == 2)[0].value);
let issuer = bytesToString(x.parts.filter(x => x.index == 3)[0].value);
totps.push(new TOTP(
secret,
issuer,
name,
6,
30,
0,
"SHA-1"
"SHA-1"
));
});
});
return totps;
return totps;
}
function bytesToString(bytes) {
let str = '';
for (let i = 0; i < bytes.length; i++) {
str += String.fromCharCode(bytes[i]);
}
return str;
let str = '';
for (let i = 0; i < bytes.length; i++) {
str += String.fromCharCode(bytes[i]);
}
return str;
}