switch to dedicated source maps

This commit is contained in:
2025-10-25 07:39:28 -07:00
parent db9828a518
commit ee9eb17898
14 changed files with 33 additions and 5 deletions
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import * as TwitchAuth from "./TwitchAuth.ts";
import { AccessTokenMaybeWithUserId, AuthProvider, AccessToken, AccessTokenWithUserId } from "@twurple/auth";
type Token = TwitchAuth.TwitchToken & AccessTokenMaybeWithUserId
function getTwurpleProxy(token: TwitchAuth.TwitchToken): Token {
return new Proxy(token, {
get(target, name, receiver) {
return target[name.toString().replace(/[A-Z]/g, letter => `_${letter.toLowerCase()}`)]
}
}) as Token
}
function hasScopes(token: Token, ...scopes: string[]) {
if (!token) {
return false
}
if (!scopes) {
return true
}
for (const scope of scopes) {
if (!token.scope.includes(scope)) {
return false
}
}
return true
}
export default class SugoiAuthProvider implements AuthProvider {
#token: Token
clientId: string;
constructor(client_id: string) {
this.clientId = client_id
}
#setToken = (token: Token) => {
this.#token = token
return token
}
async addUser(...scopes: string[]) {
this.#token = await TwitchAuth.getUserToken(this.clientId, ...scopes).then(getTwurpleProxy).then(this.#setToken)
return this.#token
}
async addUserForToken(token: TwitchAuth.TwitchToken) {
if (token.refresh_token) {
this.#token = await TwitchAuth.refreshToken(this.clientId, token.refresh_token).then(getTwurpleProxy).then(this.#setToken)
return this.#token
}
this.#token = await TwitchAuth.validateToken(token.access_token).then(getTwurpleProxy).then(this.#setToken)
return this.#token
}
removeUser() {
this.#token = null
}
async getAccessTokenForUser(user: string | number, ...scopeSets: string[][]) {
if ((!scopeSets[0]) && (this.#token)) {
return this.#token as AccessTokenWithUserId
}
for (const scopes of scopeSets) {
if (hasScopes(this.#token, ...scopes)) {
return this.#token as AccessTokenWithUserId
}
}
this.#token = await TwitchAuth.getUserTokenPassive(this.clientId, ...(scopeSets[0] || [])).then(getTwurpleProxy).then(this.#setToken)
return this.#token as AccessTokenWithUserId
}
async getAnyAccessToken(user: string | number) {
return this.#token || TwitchAuth.getAppToken(this.clientId).then(getTwurpleProxy)
}
getCurrentScopesForUser(user: string | number) {
if (!this.#token || this.#token instanceof Promise) {
return []
}
return this.#token.scope
}
async refreshAccessTokenForUser(user: string | number) {
this.#token = await TwitchAuth.refreshToken(this.clientId, this.#token.refresh_token).then(this.#setToken)
return this.#token as AccessTokenWithUserId
}
}
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import fetch_retry from 'fetch-retry'
const fetch = fetch_retry(globalThis.fetch, {
retries: 10,
retryDelay: attempts => attempts * 1000
})
export interface TwitchToken {
access_token: string
expires_in: number
obtainment_timestamp: number
token_type: string
user_id?: number
scope?: Array<string>
refresh_token?: string
login?: string
client_id?: string
}
export interface AuthCode {
code: string
scope: string
}
const redirect_uri = location.origin + location.pathname
const proxy_uri = new URL('/oauth2/token', import.meta.url)
/**
* Timestamp and return the token
* @param {TwitchToken} token
* @returns {TwitchToken}
*/
function stamp(token: TwitchToken): TwitchToken {
token.obtainment_timestamp = Date.now()
return token
}
/**
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#client-credentials-grant-flow
* @param {string} client_id
* @returns {Promise<TwitchToken>}
*/
export function getAppToken(client_id: string): Promise<TwitchToken> {
const searchParams = new URLSearchParams({
client_id: client_id,
grant_type: 'client_credentials'
})
return fetch(proxy_uri, {
method: 'POST',
body: searchParams.toString(),
headers: { 'content-type': 'application/x-www-form-urlencoded' }
}).then(async function (response) {
if (!response.ok) {
throw new Error(await response.text())
}
const token = await response.json()
return stamp(token)
})
}
/**
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#implicit-grant-flow
* @param {string} client_id
* @param {Array<string>|string} scopes
* @returns {Promise<AuthCode>}
*/
export function requestAccessToken(client_id: string, ...scopes: Array<string>) {
console.debug('requesting access token')
const url = new URL('https://id.twitch.tv/oauth2/authorize')
url.searchParams.append('response_type', 'token')
url.searchParams.append('client_id', client_id)
url.searchParams.append('scope', scopes.join(' '))
location.assign(url + '&redirect_uri=' + redirect_uri)
}
/**
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#get-the-user-to-authorize-your-app
* @param {string} client_id
* @param {Array<string>|string} scopes
* @returns {Promise<AuthCode>}
*/
export function requestAuthCode(client_id: string, ...scopes: Array<string>): Promise<any> {
console.debug('requesting authorization code')
const url = new URL('https://id.twitch.tv/oauth2/authorize')
url.searchParams.append('response_type', 'code')
url.searchParams.append('client_id', client_id)
url.searchParams.append('scope', scopes.join(' ').trim())
location.assign(url + '&redirect_uri=' + redirect_uri)
return new Promise(()=>{})
}
/**
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#use-the-authorization-code-to-get-a-token
* @param {string} client_id
* @param {string} code
* @returns {Promise<TwitchToken>}
*/
export function exchangeCode(client_id: string, code: string): Promise<TwitchToken> {
console.debug('exchanging authorization code')
const searchParams = new URLSearchParams({
client_id: client_id,
code: code,
grant_type: 'authorization_code'
})
return fetch(proxy_uri, {
method: 'POST',
body: searchParams.toString() + '&redirect_uri=' + redirect_uri,
headers: { 'content-type': 'application/x-www-form-urlencoded' }
}).then(async function (response) {
if (!response.ok) {
throw new Error(await response.text())
}
const token = await response.json()
return stamp(token)
})
}
/**
* https://dev.twitch.tv/docs/authentication/validate-tokens/#how-to-validate-a-token
* @param {string} access_token
* @returns {TwitchToken}
*/
export async function validateToken(access_token: string): Promise<TwitchToken> {
console.debug('validating token')
return fetch('https://id.twitch.tv/oauth2/validate', {
headers: { authorization: 'OAuth ' + access_token }
}).then(async response => {
if (!response.ok) {
throw new Error(await response.text())
}
/** @type {TwitchToken} */
const token: any = await response.json()
token.access_token = access_token
token.scope = token.scopes
delete token.scopes
token.token_type = 'bearer'
return stamp(token)
})
}
/**
* https://dev.twitch.tv/docs/authentication/refresh-tokens/#how-to-use-a-refresh-token
* @param {string} client_id
* @param {string} refresh_token
* @returns {Promise<TwitchToken>}
*/
export function refreshToken(client_id: string, refresh_token: string): Promise<TwitchToken> {
console.debug('refreshing token')
const searchParams = new URLSearchParams({
client_id: client_id,
grant_type: 'refresh_token',
refresh_token: refresh_token
})
return fetch(proxy_uri, {
method: 'POST',
body: searchParams.toString(),
headers: { 'content-type': 'application/x-www-form-urlencoded' }
}).then(async function (response) {
if (!response.ok) {
throw new Error(await response.text())
}
return await response.json()
})
}
/**
* This function checks the url search parameters and hash for an auth code,
* refresh token, access token, or error message, in that order,
* and if it finds none of those, starts the auth code grant flow.
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#authorization-code-grant-flow
* @param {string} client_id
* @returns {TwitchToken}
*/
export async function getUserToken(client_id: string, ...scopes): Promise<TwitchToken> {
const token=await getUserTokenPassive(client_id, ...scopes)
if(!token){
return requestAuthCode(client_id, ...scopes)
}
return token
}
/**
* This function checks the url search parameters and hash for an auth code,
* refresh token, access token, or error message, in that order.
* https://dev.twitch.tv/docs/authentication/getting-tokens-oauth/#authorization-code-grant-flow
* @param {string} client_id
* @returns {TwitchToken}
*/
export async function getUserTokenPassive(client_id: string, ...scopes): Promise<TwitchToken>{
console.debug('scopes requested:',...scopes)
const params = new URLSearchParams(location.search + '&' + location.hash.substring(1))
if (params.has('code')) {
const code = params.get('code')
history.replaceState(null, '', redirect_uri)
return exchangeCode(client_id, code)
}
if (params.has('refresh_token')) {
return refreshToken(client_id, params.get('refresh_token'))
}
if (params.has('access_token')) {
return validateToken(params.get('access_token'))
}
if (params.has('error')) {
const error_message = params.get('error') + ': ' + params.get('error_description')
history.replaceState(null, '', redirect_uri)
throw new Error(error_message)
}
return null
}
export default getUserToken
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/**
* @callback fetch
* @param {RequestInfo} resource
* @param {RequestInit} options
* @returns {Promise<Response>}
*/
export default class WebStorage {
#origin = new URL(import.meta.url).origin
#auth_provider: import('@twurple/auth').AuthProvider = null;
#cache: Cache = null
#fetch: typeof globalThis.fetch = null
/**
* Creates a fetch request wrapper that returns cached responses when the server can't be reached.
* When only a path is provided, the origin defaults to the same origin this module was loaded from.
* When the origin matches this script, authorization headers are added automatically.
* You can also use this for GET requests to any orgigin, but other methods may have unknown behavior.
* @param {import('@twurple/auth').AuthProvider} auth_provider used to add the authentication header to requests for web storage
* @param {fetch} fetch defaults to `globalThis.fetch`, allows you to further customize fetch behavior via chaining, for example with `fetch-retry`
*/
constructor(auth_provider: import('@twurple/auth').AuthProvider, fetch: typeof globalThis.fetch = (resource,options)=>{return globalThis.fetch(resource,options)}) {
this.#fetch = fetch
this.#auth_provider = auth_provider
auth_provider.getAccessTokenForUser(undefined)
.then(token => caches.open(token.userId + '/' + auth_provider.clientId))
.then(cache => this.#cache = cache)
}
/**
*
* @param {String | URL} resource
* @param {RequestInit} options
*/
async fetch(resource: string | URL, options: RequestInit={}) {
resource = new URL(resource, this.#origin)
if (resource.origin == this.#origin) {
const token = await this.#auth_provider.getAccessTokenForUser(undefined)
if (!options.headers) {
options.headers = {}
}
options.headers['authorization'] = 'OAuth ' + token.accessToken
}
if ('method' in options) {
switch (options.method) {
case 'PUT':
case 'POST': {
const response = await this.#fetch(resource, options)
if (!response.ok) {
return response
}
const blob = await new Request(resource, options).blob()
this.#cache.put(resource, new Response(blob))
return response
}
case 'DELETE': {
const response = await this.#fetch(resource, options)
if (!response.ok) {
return response
}
this.#cache.delete(resource)
return response
}
}
}
return this.#fetch(resource, options)
.then(async response => {
if (response.status >= 500) {
throw new Error(response.statusText + '\n' + await response.text())
}
this.#cache.put(resource, response.clone())
return response
}).catch(error => {
console.warn(error)
return this.#cache.match(resource)
}
)
}
}
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import * as TwitchAuth from './TwitchAuth.ts'
interface AuthHeaders {
'Authorization': string,
'Client-ID': string
}
interface Token extends TwitchAuth.TwitchToken {
auth_headers: AuthHeaders
}
let token: Token=null;
export function request_auth(client_id: string,scope: string,redirect_uri=location.origin+location.pathname){
return TwitchAuth.requestAuthCode(client_id,...scope.split(' '))
}
export function get_url_params(){
return Object.fromEntries(new URLSearchParams(location.search))
}
export async function fetch_tokens(client_id: string,code: string,redirect_uri=location.origin+location.pathname): Promise<Token>{
client_id=client_id
token=await TwitchAuth.exchangeCode(client_id,code) as Token
token.client_id=client_id
return token
}
export function get_headers(tokens: Token): AuthHeaders{
return {
'Authorization':'Bearer '+tokens.access_token,
'Client-ID':tokens.client_id
}
}
export async function validate_tokens(tokens: Token): Promise<Token>{
const validation=await TwitchAuth.validateToken(tokens.access_token)
Object.assign(tokens,validation)
tokens.scope=validation.scope
tokens.auth_headers=get_headers(tokens)
token=tokens
return token
}
export function set_local_tokens(client_id: string,tokens: Token){
token=tokens
return token
}
export function get_local_tokens(client_id: string){
return token
}
export async function refresh_tokens(client_id: string,refresh_token: string){
token=await TwitchAuth.refreshToken(client_id,refresh_token) as Token
return token
}
export function set_refresh_timeout(client_id: string,tokens: Token){
return setTimeout(()=>{
TwitchAuth.refreshToken(client_id,tokens.refresh_token)
.then(new_tokens=>Object.assign(tokens,new_tokens))
},tokens.expires_in*999)
}
export async function get_tokens(client_id: string,scope='',redirect_uri=location.origin+location.pathname,auth_return=false){
token=await TwitchAuth.getUserToken(client_id,...scope.split(' ')).then(validate_tokens)
set_refresh_timeout(client_id,token)
return token
}
export default get_tokens
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{
"compilerOptions": {
"target": "es2020",
"module": "es2020",
"moduleResolution": "node",
"allowImportingTsExtensions": true,
"noEmit": true,
}
}