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feat: add support for Palworld (#495)

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* Added Palworld

* Tidy up

* Improve variable wording for Epic auth
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Jonathan Lambert 2024-01-20 22:36:05 +00:00 • committed by GitHub
parent cbf66e127c
commit 96e2054a04
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5 changed files with 81 additions and 5 deletions
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61
protocols/epic.js
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@ -15,6 +15,9 @@ export default class Epic extends Core {
this.clientSecret = null
this.deploymentId = null
this.epicApi = 'https://api.epicgames.dev'
this.authByExternalToken = false // Some games require a client access token to POST to the matchmaking endpoint.
this.deviceIdAccessToken = null
this.accessToken = null
// Don't use the tcp ping probing
@ -22,13 +25,18 @@ export default class Epic extends Core {
}
async run (state) {
await this.getAccessToken()
if (this.authByExternalToken) {
await this.getExternalAccessToken()
} else {
await this.getClientAccessToken()
}
await this.queryInfo(state)
await this.cleanup(state)
}
async getAccessToken () {
this.logger.debug('Requesting acess token ...')
async getClientAccessToken () {
this.logger.debug('Requesting client access token ...')
const url = `${this.epicApi}/auth/v1/oauth/token`
const body = `grant_type=client_credentials&deployment_id=${this.deploymentId}`
@ -43,6 +51,50 @@ export default class Epic extends Core {
this.accessToken = response.access_token
}
async _getDeviceIdToken () {
this.logger.debug('Requesting deviceId access token ...')
const url = `${this.epicApi}/auth/v1/accounts/deviceid`
const body = 'deviceModel=PC'
const headers = {
Authorization: `Basic ${Buffer.from(`${this.clientId}:${this.clientSecret}`).toString('base64')}`,
'Content-Type': 'application/x-www-form-urlencoded'
}
this.logger.debug(`POST: ${url}`)
const response = await this.request({ url, body, headers, method: 'POST', responseType: 'json' })
return response.access_token
}
async getExternalAccessToken () {
this.logger.debug('Requesting external access token ...')
const deviceIdToken = await this._getDeviceIdToken()
const url = `${this.epicApi}/auth/v1/oauth/token`
const bodyParts = [
'grant_type=external_auth',
'external_auth_type=deviceid_access_token',
`external_auth_token=${deviceIdToken}`,
'nonce=ABCHFA3qgUCJ1XTPAoGDEF', // This is required but can be set to anything
`deployment_id=${this.deploymentId}`,
'display_name=User'
]
const body = bodyParts.join('&')
const headers = {
Authorization: `Basic ${Buffer.from(`${this.clientId}:${this.clientSecret}`).toString('base64')}`,
'Content-Type': 'application/x-www-form-urlencoded'
}
this.logger.debug(`POST: ${url}`)
const response = await this.request({ url, body, headers, method: 'POST', responseType: 'json' })
this.accessToken = response.access_token
}
async queryInfo (state) {
const url = `${this.epicApi}/matchmaking/v1/${this.deploymentId}/filter`
const body = {
@ -65,7 +117,8 @@ export default class Epic extends Core {
// Epic returns a list of sessions, we need to find the one with the desired port.
const hasDesiredPort = (session) => session.attributes.ADDRESSBOUND_s === `0.0.0.0:${this.options.port}` ||
session.attributes.ADDRESSBOUND_s === `${this.options.address}:${this.options.port}`
session.attributes.ADDRESSBOUND_s === `${this.options.address}:${this.options.port}` ||
session.attributes.GAMESERVER_PORT_l === this.options.port
const desiredServer = response.sessions.find(hasDesiredPort)