chore: initial commit

utils/authentication/Authentication.ts

@@ -0,0 +1,105 @@
+import axios, { AxiosInstance } from 'axios'
+import { io, Socket } from 'socket.io-client'
+
+import { API_URL } from 'utils/api'
+import { cookies } from 'utils/cookies'
+import { Tokens } from '.'
+import { fetchRefreshToken } from './authenticationFromServerSide'
+
+export class Authentication {
+  public tokens: Tokens
+  public accessTokenAge: number
+  public socket: Socket
+  public api: AxiosInstance
+
+  constructor (tokens: Tokens) {
+    this.tokens = tokens
+    this.accessTokenAge = Date.now()
+    this.socket = io(API_URL, {
+      auth: { token: `Bearer ${tokens.accessToken}` }
+    })
+    this.socket.on('connect_error', (error) => {
+      if (error.message.startsWith('Unauthorized')) {
+        fetchRefreshToken(this.tokens.refreshToken)
+          .then(({ accessToken }) => {
+            this.setAccessToken(accessToken)
+          })
+          .catch(async () => {
+            this.signout()
+            return await Promise.reject(error)
+          })
+      }
+    })
+    this.api = axios.create({
+      baseURL: API_URL,
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    })
+    this.api.interceptors.request.use(
+      async (config) => {
+        const isValidAccessToken =
+          this.accessTokenAge + tokens.expiresIn > Date.now()
+        if (!isValidAccessToken) {
+          const { accessToken } = await fetchRefreshToken(
+            this.tokens.refreshToken
+          )
+          this.setAccessToken(accessToken)
+        }
+        config.headers.Authorization = `${this.tokens.type} ${this.tokens.accessToken}`
+        return config
+      },
+      async (error) => {
+        this.signout()
+        return await Promise.reject(error)
+      }
+    )
+    this.api.interceptors.response.use(
+      (response) => {
+        return response
+      },
+      async (error) => {
+        if (error.response.status !== 403 || (error.config._retry as boolean)) {
+          return await Promise.reject(error)
+        }
+        error.config._retry = true
+        try {
+          const { accessToken } = await fetchRefreshToken(
+            this.tokens.refreshToken
+          )
+          this.setAccessToken(accessToken)
+          error.response.config.headers.Authorization = `${this.tokens.type} ${this.tokens.accessToken}`
+          return await this.api.request(error.response.config)
+        } catch {
+          this.signout()
+          return await Promise.reject(error)
+        }
+      }
+    )
+  }
+
+  public setAccessToken (accessToken: string): void {
+    this.tokens.accessToken = accessToken
+    this.accessTokenAge = Date.now()
+    const token = `${this.tokens.type} ${this.tokens.accessToken}`
+    if (typeof this.socket.auth !== 'function') {
+      this.socket.auth.token = token
+    }
+  }
+
+  public signout (): void {
+    cookies.remove('refreshToken')
+    window.location.href = '/authentication/signin'
+  }
+
+  public async signoutServerSide (): Promise<void> {
+    await this.api.post('/users/signout', {
+      refreshToken: this.tokens.refreshToken
+    })
+    this.signout()
+  }
+
+  public signin (): void {
+    cookies.set('refreshToken', this.tokens.refreshToken)
+  }
+}

utils/authentication/AuthenticationContext.tsx

@@ -0,0 +1,60 @@
+import { createContext, useState, useEffect, useMemo, useContext } from 'react'
+import useTranslation from 'next-translate/useTranslation'
+import setLanguage from 'next-translate/setLanguage'
+
+import {
+  Authentication,
+  PagePropsWithAuthentication,
+  User,
+  UserSettings
+} from '.'
+import { useTheme } from 'contexts/Theme'
+
+export interface AuthenticationValue {
+  authentication: Authentication
+  user: User
+  settings: UserSettings
+}
+
+const defaultAnthenticationContext: AuthenticationValue = {} as any
+const AuthenticationContext = createContext<AuthenticationValue>(
+  defaultAnthenticationContext
+)
+
+export const AuthenticationProvider: React.FC<PagePropsWithAuthentication> = (
+  props
+) => {
+  const { lang } = useTranslation()
+  const { theme, setTheme } = useTheme()
+  const [user] = useState<User>(props.authentication.user)
+  const [settings] = useState<UserSettings>(props.authentication.settings)
+
+  const authentication = useMemo(() => {
+    return new Authentication(props.authentication.tokens)
+  }, [props.authentication.tokens])
+
+  useEffect(() => {
+    setLanguage(settings.language).catch(() => {})
+    setTheme(settings.theme)
+  }, [])
+
+  useEffect(() => {
+    authentication.api.put('/users/current/settings', { theme }).catch(() => {})
+  }, [theme])
+
+  useEffect(() => {
+    authentication.api
+      .put('/users/current/settings', { language: lang })
+      .catch(() => {})
+  }, [lang])
+
+  return (
+    <AuthenticationContext.Provider value={{ authentication, user, settings }}>
+      {props.children}
+    </AuthenticationContext.Provider>
+  )
+}
+
+export const useAuthentication = (): AuthenticationValue => {
+  return useContext(AuthenticationContext)
+}

utils/authentication/authenticationFromServerSide.ts

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+import { AxiosInstance } from 'axios'
+import { GetServerSideProps, GetServerSidePropsContext } from 'next'
+
+import { api } from 'utils/api'
+import { Cookies } from 'utils/cookies'
+import { RefreshTokenResponse, Tokens } from '.'
+import { Authentication } from './Authentication'
+
+export const fetchRefreshToken = async (
+  refreshToken: string
+): Promise<Tokens> => {
+  const { data } = await api.post<RefreshTokenResponse>('/users/refreshToken', {
+    refreshToken
+  })
+  return { ...data, refreshToken }
+}
+
+interface AuthenticationFromServerSideOptions {
+  shouldBeAuthenticated: boolean
+
+  /** allows to fetch data server side with the authenticated user, the callback should returns the data that will be transfer to the component as props */
+  fetchData?: (api: AxiosInstance, context: GetServerSidePropsContext) => Promise<{ [key: string]: any }>
+}
+
+export const authenticationFromServerSide = (
+  options: AuthenticationFromServerSideOptions
+): GetServerSideProps => {
+  const { shouldBeAuthenticated, fetchData } = options
+
+  return async (context) => {
+    const cookies = new Cookies(context.req.headers.cookie)
+    const refreshToken = cookies.get('refreshToken')
+    let tokens: Tokens | null = null
+    if (refreshToken != null) {
+      try {
+        tokens = await fetchRefreshToken(refreshToken)
+      } catch {
+        cookies.remove('refreshToken')
+      }
+    }
+    if (!shouldBeAuthenticated) {
+      if (tokens != null) {
+        return {
+          redirect: {
+            destination: '/application',
+            permanent: false
+          }
+        }
+      } else {
+        return { props: {} }
+      }
+    } else {
+      if (tokens == null) {
+        return {
+          redirect: {
+            destination: '/authentication/signin',
+            permanent: false
+          }
+        }
+      } else {
+        let data = {}
+        const authentication = new Authentication(tokens)
+        const { data: currentUser } = await authentication.api.get(
+          '/users/current'
+        )
+        if (fetchData != null) {
+          data = await fetchData(authentication.api, context)
+        }
+        return {
+          props: { authentication: { tokens, ...currentUser }, ...data }
+        }
+      }
+    }
+  }
+}

utils/authentication/index.ts

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+import { Theme } from 'contexts/Theme'
+
+export interface RefreshTokenResponse {
+  accessToken: string
+
+  /** how long, in milliseconds, until the accessToken expires */
+  expiresIn: number
+  type: 'Bearer'
+}
+
+export interface Tokens extends RefreshTokenResponse {
+  refreshToken: string
+}
+
+export interface User {
+  id: number
+  name: string
+  email: string
+  status: string
+  biography: string
+  logo: string
+  isConfirmed: boolean
+  createdAt: string
+  updatedAt: string
+}
+
+export const languages = ['en', 'fr'] as const
+export type Language = typeof languages[number]
+
+export interface UserSettings {
+  language: Language
+  theme: Theme
+  isPublicEmail: boolean
+}
+
+export const providers = ['google', 'github', 'discord'] as const
+export const strategies = [...providers, 'local'] as const
+
+export type AuthenticationStrategy = typeof strategies[number]
+
+export interface PagePropsWithAuthentication {
+  authentication: {
+    tokens: Tokens
+    user: User
+    settings: UserSettings
+    currentStrategy: AuthenticationStrategy
+    strategies: AuthenticationStrategy[]
+  }
+}
+
+export * from './Authentication'
+export * from './authenticationFromServerSide'
+export * from './AuthenticationContext'