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local.ts
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local.ts
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import type {
EndpointsOption,
SchemePartialOptions,
TokenableSchemeOptions,
TokenableScheme,
UserOptions,
HTTPRequest,
HTTPResponse,
SchemeCheck
} from '../types'
import type { Auth } from '../core'
import { getProp } from '../utils'
import { Token, RequestHandler } from '../inc'
import { BaseScheme } from './base'
export interface LocalSchemeEndpoints extends EndpointsOption {
login: HTTPRequest
logout: HTTPRequest | false
user: HTTPRequest | false
}
export interface LocalSchemeOptions extends TokenableSchemeOptions {
endpoints: LocalSchemeEndpoints
user: UserOptions
clientId: string | false
grantType: string | false
scope: string[] | false
}
const DEFAULTS: SchemePartialOptions<LocalSchemeOptions> = {
name: 'local',
endpoints: {
login: {
url: '/api/auth/login',
method: 'post'
},
logout: {
url: '/api/auth/logout',
method: 'post'
},
user: {
url: '/api/auth/user',
method: 'get'
}
},
token: {
property: 'token',
type: 'Bearer',
name: 'Authorization',
maxAge: 1800,
global: true,
required: true,
prefix: '_token.',
expirationPrefix: '_token_expiration.'
},
user: {
property: 'user',
autoFetch: true
},
clientId: false,
grantType: false,
scope: false
}
export class LocalScheme<
OptionsT extends LocalSchemeOptions = LocalSchemeOptions
>
extends BaseScheme<OptionsT>
implements TokenableScheme<OptionsT>
{
public token: Token
public requestHandler: RequestHandler
constructor(
$auth: Auth,
options: SchemePartialOptions<LocalSchemeOptions>,
...defaults: SchemePartialOptions<LocalSchemeOptions>[]
) {
super(
$auth,
options as OptionsT,
...(defaults as OptionsT[]),
DEFAULTS as OptionsT
)
// Initialize Token instance
this.token = new Token(this, this.$auth.$storage)
// Initialize Request Interceptor
this.requestHandler = new RequestHandler(this, this.$auth.ctx.$axios)
}
check(checkStatus = false): SchemeCheck {
const response = {
valid: false,
tokenExpired: false
}
// Sync token
const token = this.token.sync()
// Token is required but not available
if (!token) {
return response
}
// Check status wasn't enabled, let it pass
if (!checkStatus) {
response.valid = true
return response
}
// Get status
const tokenStatus = this.token.status()
// Token has expired. Attempt `tokenCallback`
if (tokenStatus.expired()) {
response.tokenExpired = true
return response
}
response.valid = true
return response
}
mounted({
tokenCallback = () => this.$auth.reset(),
refreshTokenCallback = undefined
} = {}): Promise<HTTPResponse | void> {
const { tokenExpired, refreshTokenExpired } = this.check(true)
if (refreshTokenExpired && typeof refreshTokenCallback === 'function') {
refreshTokenCallback()
} else if (tokenExpired && typeof tokenCallback === 'function') {
tokenCallback()
}
// Initialize request interceptor
this.initializeRequestInterceptor()
// Fetch user once
return this.$auth.fetchUserOnce()
}
async login(
endpoint: HTTPRequest,
{ reset = true } = {}
): Promise<HTTPResponse> {
if (!this.options.endpoints.login) {
return
}
// Ditch any leftover local tokens before attempting to log in
if (reset) {
this.$auth.reset({ resetInterceptor: false })
}
// Add client id to payload if defined
if (this.options.clientId) {
endpoint.data.client_id = this.options.clientId
}
// Add grant type to payload if defined
if (this.options.grantType) {
endpoint.data.grant_type = this.options.grantType
}
// Add scope to payload if defined
if (this.options.scope) {
endpoint.data.scope = this.options.scope
}
// Make login request
const response = await this.$auth.request(
endpoint,
this.options.endpoints.login
)
// Update tokens
this.updateTokens(response)
// Initialize request interceptor if not initialized
if (!this.requestHandler.interceptor) {
this.initializeRequestInterceptor()
}
// Fetch user if `autoFetch` is enabled
if (this.options.user.autoFetch) {
await this.fetchUser()
}
return response
}
setUserToken(token: string): Promise<HTTPResponse | void> {
this.token.set(token)
// Fetch user
return this.fetchUser()
}
fetchUser(endpoint?: HTTPRequest): Promise<HTTPResponse | void> {
// Token is required but not available
if (!this.check().valid) {
return Promise.resolve()
}
// User endpoint is disabled
if (!this.options.endpoints.user) {
this.$auth.setUser({})
return Promise.resolve()
}
// Try to fetch user and then set
return this.$auth
.requestWith(this.name, endpoint, this.options.endpoints.user)
.then((response) => {
const userData = getProp(response.data, this.options.user.property)
if (!userData) {
const error = new Error(
`User Data response does not contain field ${this.options.user.property}`
)
return Promise.reject(error)
}
this.$auth.setUser(userData)
return response
})
.catch((error) => {
this.$auth.callOnError(error, { method: 'fetchUser' })
return Promise.reject(error)
})
}
async logout(endpoint: HTTPRequest = {}): Promise<void> {
// Only connect to logout endpoint if it's configured
if (this.options.endpoints.logout) {
await this.$auth
.requestWith(this.name, endpoint, this.options.endpoints.logout)
.catch(() => {
//
})
}
// But reset regardless
return this.$auth.reset()
}
reset({ resetInterceptor = true } = {}): void {
this.$auth.setUser(false)
this.token.reset()
if (resetInterceptor) {
this.requestHandler.reset()
}
}
protected updateTokens(response: HTTPResponse): void {
const token = this.options.token.required
? (getProp(response.data, this.options.token.property) as string)
: true
this.token.set(token)
}
protected initializeRequestInterceptor(): void {
this.requestHandler.initializeRequestInterceptor()
}
}