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import {
BadRequestError,
Commun,
EntityController,
getModelAttribute,
NotFoundError,
SecurityUtils,
ServerError,
UnauthorizedError
} from '@commun/core'
import { AuthProvider, BaseUserModel, UserModule } from '..'
import { AccessToken, UserTokens } from '../types/UserTokens'
import { AccessTokenSecurity } from '../security/AccessTokenSecurity'
import { EmailClient } from '@commun/emails'
import passport from 'passport'
import { ExternalAuth } from '../security/ExternalAuth'
import ms from 'ms'
export class BaseUserController<MODEL extends BaseUserModel> extends EntityController<MODEL> {
async create (req: Request): Promise<{ item: MODEL }> {
if (!req.body.password) {
throw new BadRequestError('Password cannot be blank')
}
const { item } = await super.create(req)
const plainVerificationCode = await SecurityUtils.generateRandomString(48)
const verificationCode = await SecurityUtils.hashWithBcrypt(plainVerificationCode, 12)
const user = await this.dao.updateOne(item.id!, { verificationCode, verified: false })
EmailClient.sendEmail('emailVerification', user.email, {
verificationCode: plainVerificationCode,
...item
})
return { item }
}
async loginWithPassword (req: Request): Promise<{ user: MODEL, tokens: UserTokens }> {
const user = await this.findUserByEmailOrUsername(req.body.username || '')
if (!user || !user.password || !await SecurityUtils.bcryptHashIsValid(req.body.password, user.password)) {
throw new UnauthorizedError('Invalid username or password')
}
return {
user: await this.prepareModelResponse(req, user),
tokens: {
...(await this.generateAccessToken(user)),
refreshToken: await this.generateRefreshToken(user),
},
}
}
async logout (req: Request): Promise<{ result: boolean }> {
Iif (!req.auth?.id) {
return { result: false }
}
await this.dao.updateOne(req.auth.id, { refreshTokenHash: undefined })
return { result: true }
}
async getAccessToken (req: Request): Promise<AccessToken> {
const user = await this.dao.findOne({ username: req.body.username })
Iif (!user) {
throw new NotFoundError()
}
if (!user.refreshTokenHash || !await SecurityUtils.bcryptHashIsValid(req.body.refreshToken, user.refreshTokenHash)) {
throw new UnauthorizedError('Refresh token is invalid or expired')
}
return this.generateAccessToken(user)
}
async verify (req: Request) {
const user = await this.dao.findOne({ username: req.body.username })
Iif (!user) {
throw new NotFoundError()
}
Iif (user.verified) {
return { result: true }
}
Iif (!user.verificationCode) {
throw new BadRequestError('Missing verification code')
}
if (await SecurityUtils.bcryptHashIsValid(req.body.code, user.verificationCode)) {
await this.dao.updateOne(user.id!, { verified: true, verificationCode: undefined })
const userData = await this.prepareModelResponse(req, user, {})
EmailClient.sendEmail('welcomeEmail', user.email, userData)
return { result: true }
} else {
throw new BadRequestError('Invalid verification code')
}
}
async forgotPassword (req: Request) {
Iif (!req.body.username) {
throw new BadRequestError('Missing email or username')
}
const user = await this.findUserByEmailOrUsername(req.body.username)
Iif (!user) {
throw new NotFoundError()
}
const resetPasswordAttr = Commun.getEntityConfig<MODEL>(UserModule.entityName).attributes.resetPasswordCodeHash
const plainResetPasswordCode = await SecurityUtils.generateRandomString(48)
const resetPasswordCodeHash = await getModelAttribute(resetPasswordAttr!, 'resetPasswordCodeHash', {
resetPasswordCodeHash: plainResetPasswordCode
})
await this.dao.updateOne(user.id!, { resetPasswordCodeHash })
const userData = await this.prepareModelResponse(req, user, {})
EmailClient.sendEmail('resetPassword', user.email, {
resetPasswordCode: plainResetPasswordCode,
...userData,
})
return { result: true }
}
async resetPassword (req: Request) {
Iif (!req.body.username) {
throw new BadRequestError('Missing email or username')
}
const user = await this.findUserByEmailOrUsername(req.body.username)
Iif (!user) {
throw new NotFoundError()
}
if (user.resetPasswordCodeHash && await SecurityUtils.bcryptHashIsValid(req.body.code, user.resetPasswordCodeHash)) {
const passwordAttr = Commun.getEntityConfig<MODEL>(UserModule.entityName).attributes.password
const password = await getModelAttribute<MODEL>(passwordAttr!, 'password', { password: req.body.password })
await this.dao.updateOne(user.id!, { password, resetPasswordCodeHash: undefined })
return { result: true }
}
throw new UnauthorizedError()
}
startAuthWithProvider (req: Request, res: Response, next: NextFunction) {
const provider = req.params.provider as AuthProvider
passport.authenticate(provider, ExternalAuth.getProviderStrategy(provider).authOptions)(req, res, next)
}
authenticateWithProvider (req: Request, res: Response, next: NextFunction) {
passport.authenticate(req.params.provider, {})(req, res, next)
}
async completeAuthWithProvider (req: Request, res: Response) {
const callbackUrl = UserModule.getOptions().externalAuth?.callbackUrl
if (!callbackUrl) {
console.error('External authentication callback url is not set')
throw new ServerError()
}
const userReq = req.user as { user: MODEL, userCreated: boolean, newUser: boolean }
const provider = req.params.provider as AuthProvider
const code = await ExternalAuth.sign({
user: userReq.user,
provider: {
key: provider,
id: userReq.user.providers?.[provider]?.id!,
},
userCreated: userReq.userCreated,
})
res.redirect(`${callbackUrl}?provider=${provider}&newUser=${userReq.newUser}&code=${code}`)
}
async generateAccessTokenForAuthWithProvider (req: Request) {
const provider = req.params.provider as AuthProvider
const token = req.body.code
const payload = await ExternalAuth.verify(token)
let user
if (payload.userCreated) {
user = await this.dao.findOne({ email: payload.user.email })
if (!user) {
throw new NotFoundError('User not found')
}
const validProvider = payload.provider?.key === provider && payload.provider?.id && payload.provider?.id &&
payload.provider?.id === user.providers?.[provider]?.id
if (!validProvider) {
throw new BadRequestError('Invalid authentication code')
}
} else {
let userData
Eif (!payload.user.username) {
Iif (!req.body.username) {
throw new BadRequestError('Username is required')
}
userData = {
...payload.user,
username: req.body.username,
}
} else {
userData = payload.user
}
user = await this.dao.insertOne(userData as MODEL)
userData = await this.prepareModelResponse(req, user, {})
EmailClient.sendEmail('welcomeEmail', user.email, userData)
}
return {
user: await this.prepareModelResponse(req, user),
tokens: {
...(await this.generateAccessToken(user)),
refreshToken: await this.generateRefreshToken(user),
},
}
}
private findUserByEmailOrUsername (emailOrUsername: string) {
return emailOrUsername.includes('@') ?
this.dao.findOne({ email: emailOrUsername }) :
this.dao.findOne({ username: emailOrUsername })
}
protected async generateAccessToken (user: MODEL) {
const accessToken = await AccessTokenSecurity.sign({ id: user.id! })
let expiresIn = UserModule.getOptions().accessToken?.expiresIn || 0
const expirationMilliseconds = typeof expiresIn === 'number' ? expiresIn : ms(expiresIn)
return {
accessToken,
accessTokenExpiration: new Date().getTime() + expirationMilliseconds
}
}
protected async generateRefreshToken (user: MODEL): Promise<string | undefined> {
Eif (UserModule.getOptions().refreshToken.enabled) {
const refreshTokenAttr = Commun.getEntityConfig<MODEL>(UserModule.entityName).attributes.refreshTokenHash
const plainRefreshToken = await SecurityUtils.generateRandomString(48)
const refreshTokenHash = await getModelAttribute(refreshTokenAttr!, 'refreshTokenHash', {
refreshTokenHash: plainRefreshToken
})
await this.dao.updateOne(user.id!, { refreshTokenHash })
return plainRefreshToken
}
}
}
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