jiti-meet/modules/tokendata/TokenData.js

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2016-06-13 21:11:44 +00:00
/* global getConfigParamsFromUrl, config */
/**
* Parses and handles JWT tokens. Sets config.token.
*/
import * as jws from "jws";
/**
* Get the JWT token from the URL.
*/
let params = getConfigParamsFromUrl("search", true);
let jwt = params.jwt;
/**
* Implements a user of conference.
*/
class User {
/**
* @param name {string} the name of the user.
* @param email {string} the email of the user.
* @param avatarUrl {string} the URL for the avatar of the user.
*/
constructor(name, email, avatarUrl) {
this._name = name;
this._email = email;
this._avatarUrl = avatarUrl;
}
/**
* GETERS START.
*/
/**
* Returns the name property
*/
getName() {
return this._name;
}
/**
* Returns the email property
*/
getEmail() {
return this._email;
}
/**
* Returns the URL of the avatar
*/
getAvatarUrl() {
return this._avatarUrl;
}
/**
* GETERS END.
*/
}
/**
* Represent the data parsed from the JWT token
*/
class TokenData{
/**
* @param {string} the JWT token
*/
constructor(jwt) {
this.isGuest = true;
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if(!jwt)
return;
this.isGuest = config.enableUserRolesBasedOnToken !== true;
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this.jwt = jwt;
this._decode();
// Use JWT param as token if there is not other token set and if the
// iss field is not anonymous. If you want to pass data with JWT token
// but you don't want to pass the JWT token for verification the iss
// field should be set to "anonymous"
if(!config.token && this.payload && this.payload.iss !== "anonymous")
config.token = jwt;
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}
/**
* Decodes the JWT token and sets the decoded data to properties.
*/
_decode() {
this.decodedJWT = jws.decode(jwt);
if(!this.decodedJWT || !this.decodedJWT.payload)
return;
this.payload = this.decodedJWT.payload;
if(!this.payload.context)
return;
this.server = this.payload.context.server;
this.group = this.payload.context.group;
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let callerData = this.payload.context.user;
let calleeData = this.payload.context.callee;
if(callerData)
this.caller = new User(callerData.name, callerData.email,
callerData.avatarUrl);
if(calleeData)
this.callee = new User(calleeData.name, calleeData.email,
calleeData.avatarUrl);
}
}
/**
* Stores the TokenData instance.
*/
let data = null;
/**
* Returns the data variable. Creates new TokenData instance if <tt>data</tt>
* variable is null.
*/
export default function getTokenData() {
if(!data)
data = new TokenData(jwt);
return data;
}