117 lines
3.3 KiB
JavaScript
117 lines
3.3 KiB
JavaScript
const {
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getAppIdFromCtx,
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setCookie,
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getCookie,
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clearCookie,
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} = require("@budibase/backend-core/utils")
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const { Cookies } = require("@budibase/backend-core/constants")
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const { getRole } = require("@budibase/backend-core/roles")
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const { BUILTIN_ROLE_IDS } = require("@budibase/backend-core/roles")
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const { generateUserMetadataID, isDevAppID } = require("../db/utils")
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const { dbExists } = require("@budibase/backend-core/db")
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const { isUserInAppTenant } = require("@budibase/backend-core/tenancy")
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const { getCachedSelf } = require("../utilities/global")
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const env = require("../environment")
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const { isWebhookEndpoint } = require("./utils")
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const { doInAppContext } = require("@budibase/backend-core/context")
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module.exports = async (ctx, next) => {
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// try to get the appID from the request
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let requestAppId = await getAppIdFromCtx(ctx)
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// get app cookie if it exists
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let appCookie = null
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try {
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appCookie = getCookie(ctx, Cookies.CurrentApp)
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} catch (err) {
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clearCookie(ctx, Cookies.CurrentApp)
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}
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if (!appCookie && !requestAppId) {
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return next()
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}
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// check the app exists referenced in cookie
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if (appCookie) {
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const appId = appCookie.appId
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const exists = await dbExists(appId)
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if (!exists) {
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clearCookie(ctx, Cookies.CurrentApp)
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return next()
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}
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// if the request app ID wasn't set, update it with the cookie
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requestAppId = requestAppId || appId
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}
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// deny access to application preview
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if (!env.isTest()) {
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if (
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isDevAppID(requestAppId) &&
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!isWebhookEndpoint(ctx) &&
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(!ctx.user || !ctx.user.builder || !ctx.user.builder.global)
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) {
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clearCookie(ctx, Cookies.CurrentApp)
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return ctx.redirect("/")
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}
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}
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let appId,
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roleId = BUILTIN_ROLE_IDS.PUBLIC
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if (!ctx.user) {
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// not logged in, try to set a cookie for public apps
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appId = requestAppId
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} else if (requestAppId != null) {
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// Different App ID means cookie needs reset, or if the same public user has logged in
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const globalUser = await getCachedSelf(ctx, requestAppId)
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appId = requestAppId
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// retrieving global user gets the right role
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roleId = globalUser.roleId || roleId
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}
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// nothing more to do
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if (!appId) {
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return next()
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}
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return doInAppContext(appId, async () => {
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let skipCookie = false
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// if the user not in the right tenant then make sure they have no permissions
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// need to judge this only based on the request app ID,
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if (
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env.MULTI_TENANCY &&
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ctx.user &&
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requestAppId &&
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!isUserInAppTenant(requestAppId, ctx.user)
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) {
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// don't error, simply remove the users rights (they are a public user)
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delete ctx.user.builder
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delete ctx.user.admin
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delete ctx.user.roles
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ctx.isAuthenticated = false
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roleId = BUILTIN_ROLE_IDS.PUBLIC
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skipCookie = true
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}
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ctx.appId = appId
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if (roleId) {
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ctx.roleId = roleId
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const userId = ctx.user ? generateUserMetadataID(ctx.user._id) : null
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ctx.user = {
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...ctx.user,
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// override userID with metadata one
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_id: userId,
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userId,
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roleId,
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role: await getRole(roleId),
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}
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}
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if (
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(requestAppId !== appId ||
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appCookie == null ||
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appCookie.appId !== requestAppId) &&
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!skipCookie
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) {
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setCookie(ctx, { appId }, Cookies.CurrentApp)
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}
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return next()
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})
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}
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