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inworldsession.js
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137 lines (120 loc) · 4.34 KB
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const {parseRequest, log, createUUID, handleError} = require('./util');
const inworld = require ('@inworld/nodejs-sdk')
const status = inworld.status;
const InworldClient = inworld.InworldClient;
const InworldPacket = inworld.InworldPacket;
global.sessions = {}
class InworldSession {
constructor(key, secret, scene) {
this.access = {key: key, secret: secret};
this.scene = scene;
this.session = undefined;
this.client = undefined;
this.connection = undefined;
this.onMessage = undefined;
this.onAborted = undefined;
this.onCancelled = undefined;
this.onError = undefined;
}
setMessageCallback = function(messageCallback) {
this.onMessage = messageCallback;
}
setErrorCallback = function(errorCallback) {
this.onError = errorCallback;
}
setAbortedCallback = function(abortedCallback) {
this.onAborted = abortedCallback;
}
setCancelledCallback = function(cancelledCallback) {
this.onCancelled = cancelledCallback;
}
handleMessage = function(msg) {
if(this.onMessage !== undefined) this.onMessage(msg);
}
handleError = function(err) {
switch(err.code) {
case status.ABORTED:
if(this.onAborted) this.onAborted();
break;
case status.CANCELLED:
if(this.onCancelled) this.onCancelled();
break;
default:
if(this.onError) this.onError();
console.error("Error: ", err);
break;
}
}
startSession = async function(user, messageCallback=undefined, errorCallback=undefined, abortedCallback=undefined, cancelledCallback=undefined) {
const self = this;
self.setMessageCallback(messageCallback);
self.setErrorCallback(errorCallback);
self.setAbortedCallback(abortedCallback);
self.setCancelledCallback(cancelledCallback);
if(this.client) return;
const client = this.client = new InworldClient()
// Get key and secret from the integrations page.
.setApiKey({
key: this.access.key,
secret: this.access.secret,
})
// Setup a user name.
// It allows character to call you by name.
.setUser({fullName: user})
// Setup required capabilities.
// In this case you can receive character emotions.
.setConfiguration({
capabilities: {audio: false, emotions: true},
})
// Use a full character name.
// It should be like workspaces/{WORKSPACE_NAME}/characters/{CHARACTER_NAME}.
// Or like workspaces/{WORKSPACE_NAME}/scenes/{SCENE_NAME}.
.setScene(this.scene)
// Attach handlers
.setOnError((error) => self.handleError(error))
.setOnMessage((msg) => self.handleMessage(msg));
const token = await client.generateSessionToken();
this.connection = client.build();
const session = token.getSessionId();
log("Created session: " + session, session);
this.session = session;
return session;
}
disconnect = function() {
this.connection.close();
}
endSession = function() {
this.connection.close();
delete global.sessions[this.session];
}
}
async function startSession(req) {
var request = parseRequest(req);
var session = undefined;
if(request.session) {
session = global.sessions[request.session];
if(session) log("Session resumed.")
}
if(!session) {
session = new InworldSession(request.access.key, request.access.secret, request.scene);
await session.startSession(request.user);
global.sessions[session.session] = session;
}
if(request.access.key !== session.access.key || request.access.secret !== session.access.secret) {
throw "Unauthorized";
}
return session;
}
async function endSession(req) {
var request = parseRequest(req);
var session = undefined;
if(request.session) {
session = global.sessions[request.session];
if(session) {
session.connection.close();
delete global.sessions[request.session];
}
}
}
exports.startSession = startSession;
exports.endSession = endSession;