413 lines
12 KiB
TypeScript
413 lines
12 KiB
TypeScript
import { newid } from "../hashing"
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import { DEFAULT_TENANT_ID, Configs } from "../constants"
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import env from "../environment"
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import { SEPARATOR, DocumentTypes } from "./constants"
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import { getTenantId, getGlobalDBName } from "../tenancy"
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import fetch from "node-fetch"
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import { doWithDB, allDbs } from "./index"
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import { getCouchInfo } from "./pouch"
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import { getAppMetadata } from "../cache/appMetadata"
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import { checkSlashesInUrl } from "../helpers"
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import { isDevApp, isDevAppID } from "./conversions"
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const UNICODE_MAX = "\ufff0"
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export const ViewNames = {
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USER_BY_EMAIL: "by_email",
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BY_API_KEY: "by_api_key",
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USER_BY_BUILDERS: "by_builders",
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}
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export * from "./constants"
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export * from "./conversions"
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export { default as Replication } from "./Replication"
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/**
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* If creating DB allDocs/query params with only a single top level ID this can be used, this
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* is usually the case as most of our docs are top level e.g. tables, automations, users and so on.
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* More complex cases such as link docs and rows which have multiple levels of IDs that their
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* ID consists of need their own functions to build the allDocs parameters.
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* @param {string} docType The type of document which input params are being built for, e.g. user,
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* link, app, table and so on.
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* @param {string|null} docId The ID of the document minus its type - this is only needed if looking
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* for a singular document.
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* @param {object} otherProps Add any other properties onto the request, e.g. include_docs.
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* @returns {object} Parameters which can then be used with an allDocs request.
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*/
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export function getDocParams(
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docType: any,
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docId: any = null,
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otherProps: any = {}
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) {
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if (docId == null) {
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docId = ""
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}
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return {
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...otherProps,
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startkey: `${docType}${SEPARATOR}${docId}`,
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endkey: `${docType}${SEPARATOR}${docId}${UNICODE_MAX}`,
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}
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}
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/**
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* Generates a new workspace ID.
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* @returns {string} The new workspace ID which the workspace doc can be stored under.
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*/
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export function generateWorkspaceID() {
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return `${DocumentTypes.WORKSPACE}${SEPARATOR}${newid()}`
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}
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/**
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* Gets parameters for retrieving workspaces.
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*/
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export function getWorkspaceParams(id = "", otherProps = {}) {
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return {
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...otherProps,
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startkey: `${DocumentTypes.WORKSPACE}${SEPARATOR}${id}`,
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endkey: `${DocumentTypes.WORKSPACE}${SEPARATOR}${id}${UNICODE_MAX}`,
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}
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}
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/**
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* Generates a new global user ID.
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* @returns {string} The new user ID which the user doc can be stored under.
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*/
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export function generateGlobalUserID(id: any) {
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return `${DocumentTypes.USER}${SEPARATOR}${id || newid()}`
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}
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/**
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* Gets parameters for retrieving users.
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*/
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export function getGlobalUserParams(globalId: any, otherProps = {}) {
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if (!globalId) {
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globalId = ""
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}
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return {
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...otherProps,
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startkey: `${DocumentTypes.USER}${SEPARATOR}${globalId}`,
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endkey: `${DocumentTypes.USER}${SEPARATOR}${globalId}${UNICODE_MAX}`,
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}
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}
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/**
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* Generates a template ID.
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* @param ownerId The owner/user of the template, this could be global or a workspace level.
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*/
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export function generateTemplateID(ownerId: any) {
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return `${DocumentTypes.TEMPLATE}${SEPARATOR}${ownerId}${SEPARATOR}${newid()}`
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}
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/**
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* Gets parameters for retrieving templates. Owner ID must be specified, either global or a workspace level.
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*/
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export function getTemplateParams(
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ownerId: any,
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templateId: any,
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otherProps = {}
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) {
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if (!templateId) {
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templateId = ""
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}
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let final
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if (templateId) {
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final = templateId
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} else {
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final = `${DocumentTypes.TEMPLATE}${SEPARATOR}${ownerId}${SEPARATOR}`
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}
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return {
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...otherProps,
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startkey: final,
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endkey: `${final}${UNICODE_MAX}`,
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}
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}
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/**
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* Generates a new role ID.
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* @returns {string} The new role ID which the role doc can be stored under.
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*/
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export function generateRoleID(id: any) {
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return `${DocumentTypes.ROLE}${SEPARATOR}${id || newid()}`
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}
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/**
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* Gets parameters for retrieving a role, this is a utility function for the getDocParams function.
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*/
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export function getRoleParams(roleId = null, otherProps = {}) {
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return getDocParams(DocumentTypes.ROLE, roleId, otherProps)
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}
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export function getStartEndKeyURL(base: any, baseKey: any, tenantId = null) {
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const tenancy = tenantId ? `${SEPARATOR}${tenantId}` : ""
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return `${base}?startkey="${baseKey}${tenancy}"&endkey="${baseKey}${tenancy}${UNICODE_MAX}"`
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}
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/**
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* if in production this will use the CouchDB _all_dbs call to retrieve a list of databases. If testing
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* when using Pouch it will use the pouchdb-all-dbs package.
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* opts.efficient can be provided to make sure this call is always quick in a multi-tenant environment,
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* but it may not be 100% accurate in full efficiency mode (some tenantless apps may be missed).
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*/
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export async function getAllDbs(opts = { efficient: false }) {
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const efficient = opts && opts.efficient
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// specifically for testing we use the pouch package for this
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if (env.isTest()) {
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return allDbs()
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}
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let dbs: any[] = []
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let { url, cookie } = getCouchInfo()
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async function addDbs(couchUrl: string) {
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const response = await fetch(checkSlashesInUrl(encodeURI(couchUrl)), {
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method: "GET",
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headers: {
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Authorization: cookie,
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},
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})
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if (response.status === 200) {
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let json = await response.json()
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dbs = dbs.concat(json)
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} else {
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throw "Cannot connect to CouchDB instance"
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}
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}
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let couchUrl = `${url}/_all_dbs`
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let tenantId = getTenantId()
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if (!env.MULTI_TENANCY || (!efficient && tenantId === DEFAULT_TENANT_ID)) {
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// just get all DBs when:
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// - single tenancy
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// - default tenant
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// - apps dbs don't contain tenant id
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// - non-default tenant dbs are filtered out application side in getAllApps
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await addDbs(couchUrl)
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} else {
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// get prod apps
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await addDbs(getStartEndKeyURL(couchUrl, DocumentTypes.APP, tenantId))
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// get dev apps
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await addDbs(getStartEndKeyURL(couchUrl, DocumentTypes.APP_DEV, tenantId))
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// add global db name
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dbs.push(getGlobalDBName(tenantId))
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}
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return dbs
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}
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/**
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* Lots of different points in the system need to find the full list of apps, this will
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* enumerate the entire CouchDB cluster and get the list of databases (every app).
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*
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* @return {Promise<object[]>} returns the app information document stored in each app database.
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*/
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export async function getAllApps({ dev, all, idsOnly, efficient }: any = {}) {
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let tenantId = getTenantId()
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if (!env.MULTI_TENANCY && !tenantId) {
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tenantId = DEFAULT_TENANT_ID
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}
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let dbs = await getAllDbs({ efficient })
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const appDbNames = dbs.filter((dbName: any) => {
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const split = dbName.split(SEPARATOR)
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// it is an app, check the tenantId
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if (split[0] === DocumentTypes.APP) {
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// tenantId is always right before the UUID
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const possibleTenantId = split[split.length - 2]
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const noTenantId =
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split.length === 2 || possibleTenantId === DocumentTypes.DEV
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return (
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(tenantId === DEFAULT_TENANT_ID && noTenantId) ||
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possibleTenantId === tenantId
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)
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}
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return false
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})
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if (idsOnly) {
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return appDbNames
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}
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const appPromises = appDbNames.map((app: any) =>
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// skip setup otherwise databases could be re-created
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getAppMetadata(app)
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)
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if (appPromises.length === 0) {
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return []
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} else {
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const response = await Promise.allSettled(appPromises)
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const apps = response
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.filter(
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(result: any) => result.status === "fulfilled" && result.value != null
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)
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.map(({ value }: any) => value)
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if (!all) {
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return apps.filter((app: any) => {
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if (dev) {
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return isDevApp(app)
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}
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return !isDevApp(app)
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})
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} else {
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return apps.map((app: any) => ({
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...app,
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status: isDevApp(app) ? "development" : "published",
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}))
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}
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}
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}
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/**
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* Utility function for getAllApps but filters to production apps only.
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*/
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export async function getProdAppIDs() {
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return (await getAllApps({ idsOnly: true })).filter(
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(id: any) => !isDevAppID(id)
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)
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}
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/**
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* Utility function for the inverse of above.
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*/
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export async function getDevAppIDs() {
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return (await getAllApps({ idsOnly: true })).filter((id: any) =>
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isDevAppID(id)
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)
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}
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export async function dbExists(dbName: any) {
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let exists = false
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return doWithDB(
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dbName,
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async (db: any) => {
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try {
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// check if database exists
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const info = await db.info()
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if (info && !info.error) {
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exists = true
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}
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} catch (err) {
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exists = false
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}
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return exists
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},
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{ skip_setup: true }
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)
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}
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/**
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* Generates a new configuration ID.
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* @returns {string} The new configuration ID which the config doc can be stored under.
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*/
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export const generateConfigID = ({ type, workspace, user }: any) => {
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const scope = [type, workspace, user].filter(Boolean).join(SEPARATOR)
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return `${DocumentTypes.CONFIG}${SEPARATOR}${scope}`
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}
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/**
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* Gets parameters for retrieving configurations.
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*/
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export const getConfigParams = (
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{ type, workspace, user }: any,
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otherProps = {}
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) => {
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const scope = [type, workspace, user].filter(Boolean).join(SEPARATOR)
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return {
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...otherProps,
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startkey: `${DocumentTypes.CONFIG}${SEPARATOR}${scope}`,
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endkey: `${DocumentTypes.CONFIG}${SEPARATOR}${scope}${UNICODE_MAX}`,
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}
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}
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/**
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* Generates a new dev info document ID - this is scoped to a user.
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* @returns {string} The new dev info ID which info for dev (like api key) can be stored under.
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*/
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export const generateDevInfoID = (userId: any) => {
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return `${DocumentTypes.DEV_INFO}${SEPARATOR}${userId}`
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}
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/**
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* Returns the most granular configuration document from the DB based on the type, workspace and userID passed.
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* @param {Object} db - db instance to query
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* @param {Object} scopes - the type, workspace and userID scopes of the configuration.
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* @returns The most granular configuration document based on the scope.
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*/
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export const getScopedFullConfig = async function (
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db: any,
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{ type, user, workspace }: any
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) {
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const response = await db.allDocs(
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getConfigParams(
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{ type, user, workspace },
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{
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include_docs: true,
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}
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)
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)
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function determineScore(row: any) {
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const config = row.doc
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// Config is specific to a user and a workspace
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if (config._id.includes(generateConfigID({ type, user, workspace }))) {
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return 4
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} else if (config._id.includes(generateConfigID({ type, user }))) {
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// Config is specific to a user only
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return 3
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} else if (config._id.includes(generateConfigID({ type, workspace }))) {
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// Config is specific to a workspace only
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return 2
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} else if (config._id.includes(generateConfigID({ type }))) {
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// Config is specific to a type only
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return 1
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}
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return 0
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}
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// Find the config with the most granular scope based on context
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let scopedConfig = response.rows.sort(
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(a: any, b: any) => determineScore(a) - determineScore(b)
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)[0]
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// custom logic for settings doc
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// always provide the platform URL
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if (type === Configs.SETTINGS) {
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if (scopedConfig && scopedConfig.doc) {
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scopedConfig.doc.config.platformUrl = await getPlatformUrl(
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scopedConfig.doc.config
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)
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} else {
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scopedConfig = {
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doc: {
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config: {
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platformUrl: await getPlatformUrl(),
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},
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},
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}
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}
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}
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return scopedConfig && scopedConfig.doc
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}
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export const getPlatformUrl = async (settings?: any) => {
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let platformUrl = env.PLATFORM_URL || "http://localhost:10000"
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if (!env.SELF_HOSTED && env.MULTI_TENANCY) {
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// cloud and multi tenant - add the tenant to the default platform url
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const tenantId = getTenantId()
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if (!platformUrl.includes("localhost:")) {
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platformUrl = platformUrl.replace("://", `://${tenantId}.`)
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}
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} else {
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// self hosted - check for platform url override
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if (settings && settings.platformUrl) {
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platformUrl = settings.platformUrl
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}
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}
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return platformUrl
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}
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export async function getScopedConfig(db: any, params: any) {
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const configDoc = await getScopedFullConfig(db, params)
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return configDoc && configDoc.config ? configDoc.config : configDoc
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}
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