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import {ADMIN_API_URL, ALLOW_ARTILLERY, SECRET_KEY} from "../Enum/EnvironmentVariable";
import {uuid} from "uuidv4";
import Jwt from "jsonwebtoken";
import {TokenInterface} from "../Controller/AuthenticateController";
import {adminApi, AdminApiData} from "../Services/AdminApi";
class JWTTokenManager {
public createJWTToken(userUuid: string) {
return Jwt.sign({userUuid: userUuid}, SECRET_KEY, {expiresIn: '200d'}); //todo: add a mechanic to refresh or recreate token
}
public async getUserUuidFromToken(token: unknown): Promise<string> {
if (!token) {
throw new Error('An authentication error happened, a user tried to connect without a token.');
}
if (typeof(token) !== "string") {
throw new Error('Token is expected to be a string');
}
if(token === 'test') {
if (ALLOW_ARTILLERY) {
return uuid();
} else {
throw new Error("In order to perform a load-testing test on this environment, you must set the ALLOW_ARTILLERY environment variable to 'true'");
}
}
return new Promise<string>((resolve, reject) => {
Jwt.verify(token, SECRET_KEY, {},(err, tokenDecoded) => {
const tokenInterface = tokenDecoded as TokenInterface;
if (err) {
console.error('An authentication error happened, invalid JsonWebToken.', err);
reject(new Error('An authentication error happened, invalid JsonWebToken. ' + err.message));
return;
}
if (tokenDecoded === undefined) {
console.error('Empty token found.');
reject(new Error('Empty token found.'));
return;
}
//verify token
if (!this.isValidToken(tokenInterface)) {
reject(new Error('Authentication error, invalid token structure.'));
return;
}
if (ADMIN_API_URL) {
//verify user in admin
adminApi.fetchCheckUserByToken(tokenInterface.userUuid).then(() => {
resolve(tokenInterface.userUuid);
}).catch((err) => {
//anonymous user
if(err.response && err.response.status && err.response.status === 404){
resolve(tokenInterface.userUuid);
return;
}
reject(err);
});
} else {
resolve(tokenInterface.userUuid);
}
});
});
}
private isValidToken(token: object): token is TokenInterface {
return !(typeof((token as TokenInterface).userUuid) !== 'string');
}
}
export const jwtTokenManager = new JWTTokenManager();