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peertube/server/lib/auth/oauth-model.ts

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import express from 'express'
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import { AccessDeniedError } from '@node-oauth/oauth2-server'
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import { PluginManager } from '@server/lib/plugins/plugin-manager'
import { MOAuthClient } from '@server/types/models'
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import { MOAuthTokenUser } from '@server/types/models/oauth/oauth-token'
import { MUser } from '@server/types/models/user/user'
import { pick } from '@shared/core-utils'
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import { UserRole } from '@shared/models/users/user-role'
import { logger } from '../../helpers/logger'
import { CONFIG } from '../../initializers/config'
import { OAuthClientModel } from '../../models/oauth/oauth-client'
import { OAuthTokenModel } from '../../models/oauth/oauth-token'
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import { UserModel } from '../../models/user/user'
import { findAvailableLocalActorName } from '../local-actor'
import { buildUser, createUserAccountAndChannelAndPlaylist } from '../user'
import { TokensCache } from './tokens-cache'
type TokenInfo = {
accessToken: string
refreshToken: string
accessTokenExpiresAt: Date
refreshTokenExpiresAt: Date
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}
export type BypassLogin = {
bypass: boolean
pluginName: string
authName?: string
user: {
username: string
email: string
displayName: string
role: UserRole
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}
}
async function getAccessToken (bearerToken: string) {
logger.debug('Getting access token (bearerToken: ' + bearerToken + ').')
if (!bearerToken) return undefined
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let tokenModel: MOAuthTokenUser
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if (TokensCache.Instance.hasToken(bearerToken)) {
tokenModel = TokensCache.Instance.getByToken(bearerToken)
} else {
tokenModel = await OAuthTokenModel.getByTokenAndPopulateUser(bearerToken)
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if (tokenModel) TokensCache.Instance.setToken(tokenModel)
}
if (!tokenModel) return undefined
if (tokenModel.User.pluginAuth) {
const valid = await PluginManager.Instance.isTokenValid(tokenModel, 'access')
if (valid !== true) return undefined
}
return tokenModel
}
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function getClient (clientId: string, clientSecret: string) {
logger.debug('Getting Client (clientId: ' + clientId + ', clientSecret: ' + clientSecret + ').')
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return OAuthClientModel.getByIdAndSecret(clientId, clientSecret)
}
async function getRefreshToken (refreshToken: string) {
logger.debug('Getting RefreshToken (refreshToken: ' + refreshToken + ').')
const tokenInfo = await OAuthTokenModel.getByRefreshTokenAndPopulateClient(refreshToken)
if (!tokenInfo) return undefined
const tokenModel = tokenInfo.token
if (tokenModel.User.pluginAuth) {
const valid = await PluginManager.Instance.isTokenValid(tokenModel, 'refresh')
if (valid !== true) return undefined
}
return tokenInfo
}
async function getUser (usernameOrEmail?: string, password?: string, bypassLogin?: BypassLogin) {
// Special treatment coming from a plugin
if (bypassLogin && bypassLogin.bypass === true) {
logger.info('Bypassing oauth login by plugin %s.', bypassLogin.pluginName)
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let user = await UserModel.loadByEmail(bypassLogin.user.email)
if (!user) user = await createUserFromExternal(bypassLogin.pluginName, bypassLogin.user)
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// Cannot create a user
if (!user) throw new AccessDeniedError('Cannot create such user: an actor with that name already exists.')
// If the user does not belongs to a plugin, it was created before its installation
// Then we just go through a regular login process
if (user.pluginAuth !== null) {
// This user does not belong to this plugin, skip it
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if (user.pluginAuth !== bypassLogin.pluginName) {
logger.info(
'Cannot bypass oauth login by plugin %s because %s has another plugin auth method (%s).',
bypassLogin.pluginName, bypassLogin.user.email, user.pluginAuth
)
return null
}
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checkUserValidityOrThrow(user)
return user
}
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}
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logger.debug('Getting User (username/email: ' + usernameOrEmail + ', password: ******).')
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const user = await UserModel.loadByUsernameOrEmail(usernameOrEmail)
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// If we don't find the user, or if the user belongs to a plugin
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if (!user || user.pluginAuth !== null || !password) return null
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const passwordMatch = await user.isPasswordMatch(password)
if (passwordMatch !== true) return null
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checkUserValidityOrThrow(user)
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if (CONFIG.SIGNUP.REQUIRES_EMAIL_VERIFICATION && user.emailVerified === false) {
throw new AccessDeniedError('User email is not verified.')
}
return user
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}
async function revokeToken (
tokenInfo: { refreshToken: string },
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options: {
req?: express.Request
explicitLogout?: boolean
} = {}
): Promise<{ success: boolean, redirectUrl?: string }> {
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const { req, explicitLogout } = options
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const token = await OAuthTokenModel.getByRefreshTokenAndPopulateUser(tokenInfo.refreshToken)
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if (token) {
let redirectUrl: string
if (explicitLogout === true && token.User.pluginAuth && token.authName) {
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redirectUrl = await PluginManager.Instance.onLogout(token.User.pluginAuth, token.authName, token.User, req)
}
TokensCache.Instance.clearCacheByToken(token.accessToken)
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token.destroy()
.catch(err => logger.error('Cannot destroy token when revoking token.', { err }))
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return { success: true, redirectUrl }
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}
return { success: false }
}
async function saveToken (
token: TokenInfo,
client: MOAuthClient,
user: MUser,
options: {
refreshTokenAuthName?: string
bypassLogin?: BypassLogin
} = {}
) {
const { refreshTokenAuthName, bypassLogin } = options
let authName: string = null
if (bypassLogin?.bypass === true) {
authName = bypassLogin.authName
} else if (refreshTokenAuthName) {
authName = refreshTokenAuthName
}
logger.debug('Saving token ' + token.accessToken + ' for client ' + client.id + ' and user ' + user.id + '.')
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const tokenToCreate = {
accessToken: token.accessToken,
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accessTokenExpiresAt: token.accessTokenExpiresAt,
refreshToken: token.refreshToken,
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refreshTokenExpiresAt: token.refreshTokenExpiresAt,
authName,
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oAuthClientId: client.id,
userId: user.id
}
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const tokenCreated = await OAuthTokenModel.create(tokenToCreate)
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user.lastLoginDate = new Date()
await user.save()
return {
accessToken: tokenCreated.accessToken,
accessTokenExpiresAt: tokenCreated.accessTokenExpiresAt,
refreshToken: tokenCreated.refreshToken,
refreshTokenExpiresAt: tokenCreated.refreshTokenExpiresAt,
client,
user,
accessTokenExpiresIn: buildExpiresIn(tokenCreated.accessTokenExpiresAt),
refreshTokenExpiresIn: buildExpiresIn(tokenCreated.refreshTokenExpiresAt)
}
}
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export {
getAccessToken,
getClient,
getRefreshToken,
getUser,
revokeToken,
saveToken
}
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// ---------------------------------------------------------------------------
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async function createUserFromExternal (pluginAuth: string, options: {
username: string
email: string
role: UserRole
displayName: string
}) {
const username = await findAvailableLocalActorName(options.username)
const userToCreate = buildUser({
...pick(options, [ 'email', 'role' ]),
username,
emailVerified: null,
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password: null,
pluginAuth
})
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const { user } = await createUserAccountAndChannelAndPlaylist({
userToCreate,
userDisplayName: options.displayName
})
return user
}
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function checkUserValidityOrThrow (user: MUser) {
if (user.blocked) throw new AccessDeniedError('User is blocked.')
}
function buildExpiresIn (expiresAt: Date) {
return Math.floor((expiresAt.getTime() - new Date().getTime()) / 1000)
}