From 16a25a7cff78ed2718518d9ebc0e0802dc4170d7 Mon Sep 17 00:00:00 2001
From: mike12345567 <me@michaeldrury.co.uk>
Date: Thu, 14 Jan 2021 17:01:31 +0000
Subject: [PATCH] When self hosting it is now possible to use a pretty URL to
 access the app rather than the normal appId.

---
 hosting/docker-compose.yaml                   |   8 +-
 hosting/hosting.properties                    |   1 -
 .../src/builderStore/store/frontend.js        |   2 +
 .../builder/src/builderStore/store/hosting.js |  19 +-
 .../deploy/DeploymentHistory.svelte           |   5 +-
 .../components/settings/tabs/General.svelte   |  65 +-
 .../components/start/CreateAppModal.svelte    |   6 +-
 .../server/src/api/controllers/application.js |  49 +-
 .../server/src/api/controllers/hosting.js     |   5 +
 .../src/api/controllers/static/index.js       |  27 +-
 packages/server/src/api/routes/hosting.js     |   7 +
 packages/server/src/db/client.js              |   1 +
 packages/server/src/environment.js            |   2 +
 .../server/src/middleware/authenticated.js    |   2 +
 packages/server/src/middleware/selfhost.js    |  16 +
 .../server/src/utilities/builder/hosting.js   |  21 +
 packages/server/src/utilities/index.js        |  15 +
 packages/worker/package.json                  |   3 +
 packages/worker/src/api/controllers/app.js    |  29 +
 packages/worker/src/api/controllers/deploy.js |   2 +-
 packages/worker/src/api/routes/app.js         |   9 +
 packages/worker/src/api/routes/index.js       |   3 +-
 packages/worker/src/db/index.js               |  16 +
 packages/worker/src/environment.js            |   8 +-
 packages/worker/src/middleware/check-key.js   |  10 +-
 packages/worker/yarn.lock                     | 691 +++++++++++++++++-
 26 files changed, 964 insertions(+), 58 deletions(-)
 create mode 100644 packages/server/src/middleware/selfhost.js
 create mode 100644 packages/worker/src/api/controllers/app.js
 create mode 100644 packages/worker/src/api/routes/app.js
 create mode 100644 packages/worker/src/db/index.js

diff --git a/hosting/docker-compose.yaml b/hosting/docker-compose.yaml
index c4a6c669b3..5b7c266c1e 100644
--- a/hosting/docker-compose.yaml
+++ b/hosting/docker-compose.yaml
@@ -6,8 +6,11 @@ services:
     ports:
       - "${APP_PORT}:4002"
     environment:
-      SELF_HOSTED: 1 
+      SELF_HOSTED: 1
+      CLOUD: 1
       COUCH_DB_URL: http://${COUCH_DB_USER}:${COUCH_DB_PASSWORD}@couchdb-service:5984
+      WORKER_URL: http://worker-service:4003
+      HOSTING_KEY: ${HOSTING_KEY}
       BUDIBASE_ENVIRONMENT: ${BUDIBASE_ENVIRONMENT}
       PORT: 4002
       JWT_SECRET: ${JWT_SECRET}
@@ -20,14 +23,13 @@ services:
       - "${WORKER_PORT}:4003"
     environment:
       SELF_HOSTED: 1,
-      DEPLOYMENT_API_KEY: ${WORKER_API_KEY}
       PORT: 4003
       MINIO_ACCESS_KEY: ${MINIO_ACCESS_KEY}
       MINIO_SECRET_KEY: ${MINIO_SECRET_KEY}
       RAW_MINIO_URL: http://minio-service:9000
       COUCH_DB_USERNAME: ${COUCH_DB_USER}
       COUCH_DB_PASSWORD: ${COUCH_DB_PASSWORD}
-      RAW_COUCH_DB_URL: http://couchdb-service:5984
+      COUCH_DB_URL: http://${COUCH_DB_USER}:${COUCH_DB_PASSWORD}@couchdb-service:5984
       SELF_HOST_KEY: ${HOSTING_KEY}
     depends_on:
       - minio-service
diff --git a/hosting/hosting.properties b/hosting/hosting.properties
index 2ef83543a4..ad047a3826 100644
--- a/hosting/hosting.properties
+++ b/hosting/hosting.properties
@@ -12,7 +12,6 @@ MINIO_ACCESS_KEY=budibase
 MINIO_SECRET_KEY=budibase
 COUCH_DB_PASSWORD=budibase
 COUCH_DB_USER=budibase
-WORKER_API_KEY=budibase
 
 # This section contains variables that do not need to be altered under normal circumstances
 APP_PORT=4002
diff --git a/packages/builder/src/builderStore/store/frontend.js b/packages/builder/src/builderStore/store/frontend.js
index 501725f029..2082a3e49b 100644
--- a/packages/builder/src/builderStore/store/frontend.js
+++ b/packages/builder/src/builderStore/store/frontend.js
@@ -28,6 +28,7 @@ import {
 const INITIAL_FRONTEND_STATE = {
   apps: [],
   name: "",
+  url: "",
   description: "",
   layouts: [],
   screens: [],
@@ -62,6 +63,7 @@ export const getFrontendStore = () => {
         libraries: pkg.application.componentLibraries,
         components,
         name: pkg.application.name,
+        url: pkg.application.url,
         description: pkg.application.description,
         appId: pkg.application._id,
         layouts,
diff --git a/packages/builder/src/builderStore/store/hosting.js b/packages/builder/src/builderStore/store/hosting.js
index 36067773b5..d265eeddff 100644
--- a/packages/builder/src/builderStore/store/hosting.js
+++ b/packages/builder/src/builderStore/store/hosting.js
@@ -1,13 +1,16 @@
 import { writable } from "svelte/store"
-import api from "../api"
+import api, {get} from "../api"
 
-const INITIAL_BACKEND_UI_STATE = {
+const INITIAL_HOSTING_UI_STATE = {
   hostingInfo: {},
   appUrl: "",
+  deployedApps: {},
+  deployedAppNames: [],
+  deployedAppUrls: [],
 }
 
 export const getHostingStore = () => {
-  const store = writable({ ...INITIAL_BACKEND_UI_STATE })
+  const store = writable({ ...INITIAL_HOSTING_UI_STATE })
   store.actions = {
     fetch: async () => {
       const responses = await Promise.all([
@@ -33,6 +36,16 @@ export const getHostingStore = () => {
         return state
       })
     },
+    fetchDeployedApps: async () => {
+      let deployments = await (await get("/api/hosting/apps")).json()
+      store.update(state => {
+        state.deployedApps = deployments
+        state.deployedAppNames = Object.values(deployments).map(app => app.name)
+        state.deployedAppUrls = Object.values(deployments).map(app => app.url)
+        return state
+      })
+      return deployments
+    }
   }
   return store
 }
diff --git a/packages/builder/src/components/deploy/DeploymentHistory.svelte b/packages/builder/src/components/deploy/DeploymentHistory.svelte
index fe95b1369f..e65ddf80cf 100644
--- a/packages/builder/src/components/deploy/DeploymentHistory.svelte
+++ b/packages/builder/src/components/deploy/DeploymentHistory.svelte
@@ -6,7 +6,7 @@
   import api from "builderStore/api"
   import { notifier } from "builderStore/store/notifications"
   import CreateWebhookDeploymentModal from "./CreateWebhookDeploymentModal.svelte"
-  import { hostingStore } from "builderStore"
+  import { store, hostingStore } from "builderStore"
 
   const DeploymentStatus = {
     SUCCESS: "SUCCESS",
@@ -36,7 +36,8 @@
   let errorReason
   let poll
   let deployments = []
-  let deploymentUrl = `${$hostingStore.appUrl}/${appId}`
+  let urlComponent = $hostingStore.hostingInfo.type === "self" ? $store.url : `/${appId}`
+  let deploymentUrl = `${$hostingStore.appUrl}${urlComponent}`
 
   const formatDate = (date, format) =>
     Intl.DateTimeFormat("en-GB", DATE_OPTIONS[format]).format(date)
diff --git a/packages/builder/src/components/settings/tabs/General.svelte b/packages/builder/src/components/settings/tabs/General.svelte
index 809917f27d..3852f7dc8d 100644
--- a/packages/builder/src/components/settings/tabs/General.svelte
+++ b/packages/builder/src/components/settings/tabs/General.svelte
@@ -1,11 +1,20 @@
 <script>
-  import { Input, TextArea, Button } from "@budibase/bbui"
-  import { store } from "builderStore"
+  import { Input, TextArea } from "@budibase/bbui"
+  import { store, hostingStore } from "builderStore"
   import api from "builderStore/api"
+  import {object, string} from "yup"
+  import { onMount } from "svelte"
+  import { get } from "svelte/store"
+
+  let nameValidation, nameError
+  let urlValidation, urlError
+
+  $: checkName($store.name)
+  $: checkUrl($store.url)
 
   async function updateApplication(data) {
     const response = await api.put(`/api/applications/${$store.appId}`, data)
-    const app = await response.json()
+    await response.json()
     store.update(state => {
       state = {
         ...state,
@@ -14,6 +23,44 @@
       return state
     })
   }
+
+  async function checkValidation(input, validation) {
+    if (!input || !validation) {
+      return
+    }
+    try {
+      await object(validation).validate(input, { abortEarly: false })
+    } catch (error) {
+      if (!error || !error.inner) return ""
+      return error.inner.reduce((acc, err) => {
+        return acc + err.message
+      }, "")
+    }
+  }
+
+  async function checkName(name) {
+    nameError = await checkValidation({ name }, nameValidation)
+  }
+
+  async function checkUrl(url) {
+    urlError = await checkValidation({ url }, urlValidation)
+  }
+
+  onMount(async () => {
+    const nameError = "Your application must have a name.", urlError = "Your application must have a URL."
+    let hostingInfo = await hostingStore.actions.fetch()
+    if (hostingInfo.type === "self") {
+      await hostingStore.actions.fetchDeployedApps()
+      const existingAppNames = get(hostingStore).deployedAppNames
+      const existingAppUrls = get(hostingStore).deployedAppUrls
+      existingAppNames.splice(existingAppNames.indexOf(get(store).name), 1)
+      existingAppUrls.splice(existingAppUrls.indexOf(get(store).url), 1)
+      nameValidation = { name: string().required(nameError).notOneOf(existingAppNames) }
+      urlValidation = { url: string().required(urlError).notOneOf(existingAppUrls) }
+    } else {
+      nameValidation = { name: string.required(nameError) }
+    }
+  })
 </script>
 
 <div class="container">
@@ -21,8 +68,18 @@
     on:save={e => updateApplication({ name: e.detail })}
     thin
     edit
-    value={$store.name}
+    bind:value={$store.name}
+    bind:error={nameError}
     label="App Name" />
+  {#if $hostingStore.hostingInfo.type === "self"}
+    <Input
+      on:save={e => updateApplication({ url: e.detail })}
+      thin
+      edit
+      bind:value={$store.url}
+      bind:error={urlError}
+      label="App URL" />
+  {/if}
   <TextArea
     on:save={e => updateApplication({ description: e.detail })}
     thin
diff --git a/packages/builder/src/components/start/CreateAppModal.svelte b/packages/builder/src/components/start/CreateAppModal.svelte
index 1ca192a6c9..b35638dc9e 100644
--- a/packages/builder/src/components/start/CreateAppModal.svelte
+++ b/packages/builder/src/components/start/CreateAppModal.svelte
@@ -1,5 +1,5 @@
 <script>
-  import { writable } from "svelte/store"
+  import { writable, get as svelteGet } from "svelte/store"
   import {
     store,
     automationStore,
@@ -28,6 +28,7 @@
   let isApiKeyValid
   let lastApiKey
   let fetchApiKeyPromise
+
   const validateApiKey = async apiKey => {
     if (isApiKeyValid) return true
     if (!apiKey) return false
@@ -81,6 +82,9 @@
     let hostingInfo = await hostingStore.actions.fetch()
     // re-init the steps based on whether self hosting or cloud hosted
     if (hostingInfo.type === "self") {
+      await hostingStore.actions.fetchDeployedApps()
+      const existingAppNames = svelteGet(hostingStore).deployedAppNames
+      infoValidation.applicationName = string().required("Your application must have a name.").notOneOf(existingAppNames)
       isApiKeyValid = true
       steps = [buildStep(Info), buildStep(User)]
       validationSchemas = [infoValidation, userValidation]
diff --git a/packages/server/src/api/controllers/application.js b/packages/server/src/api/controllers/application.js
index 1d259ac425..81d68d7e05 100644
--- a/packages/server/src/api/controllers/application.js
+++ b/packages/server/src/api/controllers/application.js
@@ -12,8 +12,6 @@ const { createRoutingView } = require("../../utilities/routing")
 const { downloadTemplate } = require("../../utilities/templates")
 const {
   generateAppID,
-  DocumentTypes,
-  SEPARATOR,
   getLayoutParams,
   getScreenParams,
   generateScreenID,
@@ -32,9 +30,13 @@ const {
 } = require("../../constants/screens")
 const { cloneDeep } = require("lodash/fp")
 const { recurseMustache } = require("../../utilities/mustache")
+const { getAllApps } = require("../../utilities")
 const { USERS_TABLE_SCHEMA } = require("../../constants")
-
-const APP_PREFIX = DocumentTypes.APP + SEPARATOR
+const {
+  getDeployedApps,
+  getHostingInfo,
+  HostingTypes,
+} = require("../../utilities/builder/hosting")
 
 // utility function, need to do away with this
 async function getLayouts(db) {
@@ -63,6 +65,28 @@ function getUserRoleId(ctx) {
     : ctx.user.role._id
 }
 
+async function getAppUrlIfNotInUse(ctx) {
+  let url
+  if (ctx.request.body.url) {
+    url = encodeURI(ctx.request.body.url)
+  } else {
+    url = encodeURI(`${ctx.request.body.name}`)
+  }
+  url = `/${url.replace(/\/|\\/g, "")}`
+  const hostingInfo = await getHostingInfo()
+  if (hostingInfo.type === HostingTypes.CLOUD) {
+    return url
+  }
+  const deployedApps = await getDeployedApps()
+  if (
+    deployedApps[url] != null &&
+    deployedApps[url].appId !== ctx.params.appId
+  ) {
+    ctx.throw(400, "App name/URL is already in use.")
+  }
+  return url
+}
+
 async function createInstance(template) {
   const appId = generateAppID()
 
@@ -96,17 +120,7 @@ async function createInstance(template) {
 }
 
 exports.fetch = async function(ctx) {
-  let allDbs = await CouchDB.allDbs()
-  const appDbNames = allDbs.filter(dbName => dbName.startsWith(APP_PREFIX))
-  const apps = appDbNames.map(db => new CouchDB(db).get(db))
-  if (apps.length === 0) {
-    ctx.body = []
-  } else {
-    const response = await Promise.allSettled(apps)
-    ctx.body = response
-      .filter(result => result.status === "fulfilled")
-      .map(({ value }) => value)
-  }
+  ctx.body = await getAllApps()
 }
 
 exports.fetchAppDefinition = async function(ctx) {
@@ -139,6 +153,7 @@ exports.fetchAppPackage = async function(ctx) {
 }
 
 exports.create = async function(ctx) {
+  const url = await getAppUrlIfNotInUse(ctx)
   const instance = await createInstance(ctx.request.body.template)
   const appId = instance._id
   const version = packageJson.version
@@ -148,6 +163,7 @@ exports.create = async function(ctx) {
     version: packageJson.version,
     componentLibraries: ["@budibase/standard-components"],
     name: ctx.request.body.name,
+    url: url,
     template: ctx.request.body.template,
     instance: instance,
     deployment: {
@@ -169,11 +185,12 @@ exports.create = async function(ctx) {
 }
 
 exports.update = async function(ctx) {
+  const url = await getAppUrlIfNotInUse(ctx)
   const db = new CouchDB(ctx.params.appId)
   const application = await db.get(ctx.params.appId)
 
   const data = ctx.request.body
-  const newData = { ...application, ...data }
+  const newData = { ...application, ...data, url }
 
   const response = await db.put(newData)
   data._rev = response.rev
diff --git a/packages/server/src/api/controllers/hosting.js b/packages/server/src/api/controllers/hosting.js
index fd876c2300..1d1884eb52 100644
--- a/packages/server/src/api/controllers/hosting.js
+++ b/packages/server/src/api/controllers/hosting.js
@@ -2,6 +2,7 @@ const CouchDB = require("../../db")
 const { BUILDER_CONFIG_DB, HOSTING_DOC } = require("../../constants")
 const {
   getHostingInfo,
+  getDeployedApps,
   HostingTypes,
   getAppUrl,
 } = require("../../utilities/builder/hosting")
@@ -37,3 +38,7 @@ exports.fetchUrls = async ctx => {
     app: await getAppUrl(ctx.appId),
   }
 }
+
+exports.getDeployedApps = async ctx => {
+  ctx.body = await getDeployedApps()
+}
diff --git a/packages/server/src/api/controllers/static/index.js b/packages/server/src/api/controllers/static/index.js
index 52e12d92e7..b956efef9d 100644
--- a/packages/server/src/api/controllers/static/index.js
+++ b/packages/server/src/api/controllers/static/index.js
@@ -12,6 +12,7 @@ const {
   budibaseAppsDir,
   budibaseTempDir,
 } = require("../../../utilities/budibaseDir")
+const { getDeployedApps } = require("../../../utilities/builder/hosting")
 const CouchDB = require("../../../db")
 const setBuilderToken = require("../../../utilities/builder/setBuilderToken")
 const fileProcessor = require("../../../utilities/fileProcessor")
@@ -26,6 +27,17 @@ function objectStoreUrl() {
   }
 }
 
+async function checkForSelfHostedURL(ctx) {
+  // the "appId" component of the URL may actually be a specific self hosted URL
+  let possibleAppUrl = `/${ctx.params.appId}`
+  const apps = await getDeployedApps()
+  if (apps[possibleAppUrl] && apps[possibleAppUrl].appId) {
+    return apps[possibleAppUrl].appId
+  } else {
+    return ctx.params.appId
+  }
+}
+
 // this was the version before we started versioning the component library
 const COMP_LIB_BASE_APP_VERSION = "0.2.5"
 
@@ -149,14 +161,18 @@ exports.performLocalFileProcessing = async function(ctx) {
 }
 
 exports.serveApp = async function(ctx) {
+  let appId = ctx.params.appId
+  if (env.SELF_HOSTED) {
+    appId = await checkForSelfHostedURL(ctx)
+  }
   const App = require("./templates/BudibaseApp.svelte").default
-  const db = new CouchDB(ctx.params.appId)
-  const appInfo = await db.get(ctx.params.appId)
+  const db = new CouchDB(appId, { skip_setup: true })
+  const appInfo = await db.get(appId)
 
   const { head, html, css } = App.render({
     title: appInfo.name,
     production: env.CLOUD,
-    appId: ctx.params.appId,
+    appId,
     objectStoreUrl: objectStoreUrl(),
   })
 
@@ -168,7 +184,7 @@ exports.serveApp = async function(ctx) {
     head,
     body: html,
     style: css.code,
-    appId: ctx.params.appId,
+    appId,
   })
 }
 
@@ -176,8 +192,7 @@ exports.serveAttachment = async function(ctx) {
   const appId = ctx.user.appId
   const attachmentsPath = resolve(budibaseAppsDir(), appId, "attachments")
 
-  // Serve from CloudFront
-  // TODO: need to replace this with link to self hosted object store
+  // Serve from object store
   if (env.CLOUD) {
     const S3_URL = join(objectStoreUrl(), appId, "attachments", ctx.file)
     const response = await fetch(S3_URL)
diff --git a/packages/server/src/api/routes/hosting.js b/packages/server/src/api/routes/hosting.js
index 7f7b9798bc..44429dacbf 100644
--- a/packages/server/src/api/routes/hosting.js
+++ b/packages/server/src/api/routes/hosting.js
@@ -1,6 +1,7 @@
 const Router = require("@koa/router")
 const controller = require("../controllers/hosting")
 const authorized = require("../../middleware/authorized")
+const selfhost = require("../../middleware/selfhost")
 const { BUILDER } = require("../../utilities/security/permissions")
 
 const router = Router()
@@ -10,5 +11,11 @@ router
   .get("/api/hosting/urls", authorized(BUILDER), controller.fetchUrls)
   .get("/api/hosting", authorized(BUILDER), controller.fetch)
   .post("/api/hosting", authorized(BUILDER), controller.save)
+  .get(
+    "/api/hosting/apps",
+    authorized(BUILDER),
+    selfhost,
+    controller.getDeployedApps
+  )
 
 module.exports = router
diff --git a/packages/server/src/db/client.js b/packages/server/src/db/client.js
index 1477ee4315..a3a053f3c7 100644
--- a/packages/server/src/db/client.js
+++ b/packages/server/src/db/client.js
@@ -12,6 +12,7 @@ PouchDB.adapter("writableStream", replicationStream.adapters.writableStream)
 
 let POUCH_DB_DEFAULTS = {
   prefix: COUCH_DB_URL,
+  skip_setup: !!env.CLOUD,
 }
 
 if (isInMemory) {
diff --git a/packages/server/src/environment.js b/packages/server/src/environment.js
index 5fbf57448a..4faaabe6ab 100644
--- a/packages/server/src/environment.js
+++ b/packages/server/src/environment.js
@@ -28,6 +28,8 @@ module.exports = {
   SENDGRID_API_KEY: process.env.SENDGRID_API_KEY,
   CLOUD: process.env.CLOUD,
   SELF_HOSTED: process.env.SELF_HOSTED,
+  WORKER_URL: process.env.WORKER_URL,
+  HOSTING_KEY: process.env.HOSTING_KEY,
   DYNAMO_ENDPOINT: process.env.DYNAMO_ENDPOINT,
   AWS_REGION: process.env.AWS_REGION,
   DEPLOYMENT_CREDENTIALS_URL: process.env.DEPLOYMENT_CREDENTIALS_URL,
diff --git a/packages/server/src/middleware/authenticated.js b/packages/server/src/middleware/authenticated.js
index 277c2b28db..27b3f52725 100644
--- a/packages/server/src/middleware/authenticated.js
+++ b/packages/server/src/middleware/authenticated.js
@@ -49,6 +49,8 @@ module.exports = async (ctx, next) => {
       role: await getRole(appId, jwtPayload.roleId),
     }
   } catch (err) {
+    // TODO - this can happen if the JWT secret is changed and can never login
+    // TODO: wipe cookies if they exist
     ctx.throw(err.status || STATUS_CODES.FORBIDDEN, err.text)
   }
 
diff --git a/packages/server/src/middleware/selfhost.js b/packages/server/src/middleware/selfhost.js
new file mode 100644
index 0000000000..1c96cee33c
--- /dev/null
+++ b/packages/server/src/middleware/selfhost.js
@@ -0,0 +1,16 @@
+const env = require("../environment")
+const hosting = require("../utilities/builder/hosting")
+// if added as a middleware will stop requests unless builder is in self host mode
+// or cloud is in self host
+module.exports = async (ctx, next) => {
+  if (env.CLOUD && env.SELF_HOSTED) {
+    await next()
+    return
+  }
+  const hostingInfo = await hosting.getHostingInfo()
+  if (hostingInfo.type === hosting.HostingTypes.SELF) {
+    await next()
+    return
+  }
+  ctx.throw(400, "Endpoint unavailable in cloud hosting.")
+}
diff --git a/packages/server/src/utilities/builder/hosting.js b/packages/server/src/utilities/builder/hosting.js
index b72544e3f7..814796ff7e 100644
--- a/packages/server/src/utilities/builder/hosting.js
+++ b/packages/server/src/utilities/builder/hosting.js
@@ -1,5 +1,7 @@
 const CouchDB = require("../../db")
 const { BUILDER_CONFIG_DB, HOSTING_DOC } = require("../../constants")
+const fetch = require("node-fetch")
+const env = require("../../environment")
 
 const PROD_HOSTING_URL = "app.budi.live"
 
@@ -81,3 +83,22 @@ exports.getTemplatesUrl = async (appId, type, name) => {
   }
   return `${protocol}${hostingInfo.templatesUrl}/${path}`
 }
+
+exports.getDeployedApps = async () => {
+  const hostingInfo = await exports.getHostingInfo()
+  if (
+    (!env.CLOUD && hostingInfo.type === exports.HostingTypes.CLOUD) ||
+    (env.CLOUD && !env.SELF_HOSTED)
+  ) {
+    throw "Can only check apps for self hosted environments"
+  }
+  const workerUrl = !env.CLOUD ? await exports.getWorkerUrl() : env.WORKER_URL
+  const hostingKey = !env.CLOUD ? hostingInfo.selfHostKey : env.HOSTING_KEY
+  const response = await fetch(`${workerUrl}/api/apps`, {
+    method: "GET",
+    headers: {
+      "x-budibase-auth": hostingKey,
+    },
+  })
+  return response.json()
+}
diff --git a/packages/server/src/utilities/index.js b/packages/server/src/utilities/index.js
index b9b512a80f..fd51bcdaf0 100644
--- a/packages/server/src/utilities/index.js
+++ b/packages/server/src/utilities/index.js
@@ -2,6 +2,7 @@ const env = require("../environment")
 const { DocumentTypes, SEPARATOR } = require("../db/utils")
 const fs = require("fs")
 const { cloneDeep } = require("lodash/fp")
+const CouchDB = require("../db")
 
 const APP_PREFIX = DocumentTypes.APP + SEPARATOR
 
@@ -184,3 +185,17 @@ exports.coerceRowValues = (row, table) => {
 exports.getLogoUrl = () => {
   return "https://d33wubrfki0l68.cloudfront.net/aac32159d7207b5085e74a7ef67afbb7027786c5/2b1fd/img/logo/bb-emblem.svg"
 }
+
+exports.getAllApps = async () => {
+  let allDbs = await CouchDB.allDbs()
+  const appDbNames = allDbs.filter(dbName => dbName.startsWith(APP_PREFIX))
+  const appPromises = appDbNames.map(db => new CouchDB(db).get(db))
+  if (appPromises.length === 0) {
+    return []
+  } else {
+    const response = await Promise.allSettled(appPromises)
+    return response
+      .filter(result => result.status === "fulfilled")
+      .map(({ value }) => value)
+  }
+}
diff --git a/packages/worker/package.json b/packages/worker/package.json
index d3def44844..eb52bd840e 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -28,7 +28,10 @@
     "koa-send": "^5.0.0",
     "koa-session": "^5.12.0",
     "koa-static": "^5.0.0",
+    "node-fetch": "^2.6.1",
     "pino-pretty": "^4.0.0",
+    "pouchdb": "^7.2.2",
+    "pouchdb-all-dbs": "^1.0.2",
     "server-destroy": "^1.0.1"
   }
 }
diff --git a/packages/worker/src/api/controllers/app.js b/packages/worker/src/api/controllers/app.js
new file mode 100644
index 0000000000..114970a61b
--- /dev/null
+++ b/packages/worker/src/api/controllers/app.js
@@ -0,0 +1,29 @@
+const fetch = require("node-fetch")
+const CouchDB = require("../../db")
+const env = require("../../environment")
+
+const APP_PREFIX = "app_"
+
+exports.getApps = async ctx => {
+  let allDbs
+  // allDbs call of CouchDB is very inaccurate in production
+  if (env.COUCH_DB_URL) {
+    allDbs = await (await fetch(`${env.COUCH_DB_URL}/_all_dbs`)).json()
+  } else {
+    allDbs = await CouchDB.allDbs()
+  }
+  const appDbNames = allDbs.filter(dbName => dbName.startsWith(APP_PREFIX))
+  const appPromises = appDbNames.map(db => new CouchDB(db).get(db))
+  const apps = await Promise.all(appPromises)
+  const body = {}
+  for (let app of apps) {
+    let url = app.url || encodeURI(`${app.name}`)
+    url = `/${url.replace(/\/|\\/g, "")}`
+    body[url] = {
+      appId: app._id,
+      name: app.name,
+      url,
+    }
+  }
+  ctx.body = body
+}
diff --git a/packages/worker/src/api/controllers/deploy.js b/packages/worker/src/api/controllers/deploy.js
index 956d56f3ca..207be71c90 100644
--- a/packages/worker/src/api/controllers/deploy.js
+++ b/packages/worker/src/api/controllers/deploy.js
@@ -21,7 +21,7 @@ const PUBLIC_READ_POLICY = {
 
 async function getCouchSession() {
   // fetch session token for the api user
-  const session = await got.post(`${env.RAW_COUCH_DB_URL}/_session`, {
+  const session = await got.post(`${env.COUCH_DB_URL}/_session`, {
     responseType: "json",
     credentials: "include",
     json: {
diff --git a/packages/worker/src/api/routes/app.js b/packages/worker/src/api/routes/app.js
new file mode 100644
index 0000000000..10656e5362
--- /dev/null
+++ b/packages/worker/src/api/routes/app.js
@@ -0,0 +1,9 @@
+const Router = require("@koa/router")
+const controller = require("../controllers/app")
+const checkKey = require("../../middleware/check-key")
+
+const router = Router()
+
+router.get("/api/apps", checkKey, controller.getApps)
+
+module.exports = router
diff --git a/packages/worker/src/api/routes/index.js b/packages/worker/src/api/routes/index.js
index 3b4455cef9..7ad619c2b7 100644
--- a/packages/worker/src/api/routes/index.js
+++ b/packages/worker/src/api/routes/index.js
@@ -1,3 +1,4 @@
 const deployRoutes = require("./deploy")
+const appRoutes = require("./app")
 
-exports.routes = [deployRoutes]
+exports.routes = [deployRoutes, appRoutes]
diff --git a/packages/worker/src/db/index.js b/packages/worker/src/db/index.js
new file mode 100644
index 0000000000..9095682172
--- /dev/null
+++ b/packages/worker/src/db/index.js
@@ -0,0 +1,16 @@
+const PouchDB = require("pouchdb")
+const allDbs = require("pouchdb-all-dbs")
+const env = require("../environment")
+const { join } = require("path")
+const { homedir } = require("os")
+
+// level option is purely for testing (development)
+const COUCH_DB_URL = env.COUCH_DB_URL || `leveldb://${join(homedir(), ".budibase")}/.data/`
+
+const Pouch = PouchDB.defaults({
+  prefix: COUCH_DB_URL,
+})
+
+allDbs(Pouch)
+
+module.exports = Pouch
\ No newline at end of file
diff --git a/packages/worker/src/environment.js b/packages/worker/src/environment.js
index c8863f5b51..0cd7860869 100644
--- a/packages/worker/src/environment.js
+++ b/packages/worker/src/environment.js
@@ -1,16 +1,14 @@
 module.exports = {
   SELF_HOSTED: process.env.SELF_HOSTED,
-  WORKER_API_KEY: process.env.WORKER_API_KEY,
   PORT: process.env.PORT,
   MINIO_ACCESS_KEY: process.env.MINIO_ACCESS_KEY,
   MINIO_SECRET_KEY: process.env.MINIO_SECRET_KEY,
-  COUCH_DB_USERNAME: process.env.COUCH_DB_USERNAME,
-  COUCH_DB_PASSWORD: process.env.COUCH_DB_PASSWORD,
-  RAW_COUCH_DB_URL: process.env.RAW_COUCH_DB_URL,
   RAW_MINIO_URL: process.env.RAW_MINIO_URL,
-  COUCH_DB_PORT: process.env.COUCH_DB_PORT,
   MINIO_PORT: process.env.MINIO_PORT,
   SELF_HOST_KEY: process.env.SELF_HOST_KEY,
+  COUCH_DB_USERNAME: process.env.COUCH_DB_USERNAME,
+  COUCH_DB_PASSWORD: process.env.COUCH_DB_PASSWORD,
+  COUCH_DB_URL: process.env.COUCH_DB_URL,
   _set(key, value) {
     process.env[key] = value
     module.exports[key] = value
diff --git a/packages/worker/src/middleware/check-key.js b/packages/worker/src/middleware/check-key.js
index c234e2dc65..762cb1ae45 100644
--- a/packages/worker/src/middleware/check-key.js
+++ b/packages/worker/src/middleware/check-key.js
@@ -1,11 +1,11 @@
 const env = require("../environment")
 
 module.exports = async (ctx, next) => {
-  if (
-    !ctx.request.body.selfHostKey ||
-    env.SELF_HOST_KEY !== ctx.request.body.selfHostKey
-  ) {
-    ctx.throw(401, "Deployment unauthorised")
+  const selfHostKey =
+    ctx.request.headers["x-budibase-auth"] ||
+    ctx.request.body.selfHostKey
+  if (!selfHostKey || env.SELF_HOST_KEY !== selfHostKey) {
+    ctx.throw(401, "Request unauthorised")
   } else {
     await next()
   }
diff --git a/packages/worker/yarn.lock b/packages/worker/yarn.lock
index 92205158a0..d88e560173 100644
--- a/packages/worker/yarn.lock
+++ b/packages/worker/yarn.lock
@@ -107,6 +107,35 @@
   dependencies:
     "@types/node" "*"
 
+abort-controller@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
+  integrity sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==
+  dependencies:
+    event-target-shim "^5.0.0"
+
+abstract-leveldown@^6.2.1:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.3.0.tgz#d25221d1e6612f820c35963ba4bd739928f6026a"
+  integrity sha512-TU5nlYgta8YrBMNpc9FwQzRbiXsj49gsALsXadbGHt9CROPzX5fB0rWDR5mtdpOOKa5XqRFpbj1QroPAoPzVjQ==
+  dependencies:
+    buffer "^5.5.0"
+    immediate "^3.2.3"
+    level-concat-iterator "~2.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
+abstract-leveldown@~6.2.1, abstract-leveldown@~6.2.3:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.2.3.tgz#036543d87e3710f2528e47040bc3261b77a9a8eb"
+  integrity sha512-BsLm5vFMRUrrLeCcRc+G0t2qOaTzpoJQLOubq2XM72eNpjF5UdU5o/5NvlNhx95XHcAvcl8OMXr4mlg/fRgUXQ==
+  dependencies:
+    buffer "^5.5.0"
+    immediate "^3.2.3"
+    level-concat-iterator "~2.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
 accepts@^1.3.5:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -115,6 +144,21 @@ accepts@^1.3.5:
     mime-types "~2.1.24"
     negotiator "0.6.2"
 
+acorn@^1.0.3:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-1.2.2.tgz#c8ce27de0acc76d896d2b1fad3df588d9e82f014"
+  integrity sha1-yM4n3grMdtiW0rH6099YjZ6C8BQ=
+
+acorn@^5.2.1:
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
+
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+  integrity sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=
+
 ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
@@ -144,6 +188,21 @@ args@^5.0.1:
     leven "2.1.0"
     mri "1.1.4"
 
+argsarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/argsarray/-/argsarray-0.0.1.tgz#6e7207b4ecdb39b0af88303fa5ae22bda8df61cb"
+  integrity sha1-bnIHtOzbObCviDA/pa4ivajfYcs=
+
+ast-types@0.8.15:
+  version "0.8.15"
+  resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.8.15.tgz#8eef0827f04dff0ec8857ba925abe3fea6194e52"
+  integrity sha1-ju8IJ/BN/w7IhXupJavj/qYZTlI=
+
+ast-types@0.9.6:
+  version "0.9.6"
+  resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.6.tgz#102c9e9e9005d3e7e3829bf0c4fa24ee862ee9b9"
+  integrity sha1-ECyenpAF0+fjgpvwxPok7oYu6bk=
+
 atomic-sleep@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/atomic-sleep/-/atomic-sleep-1.0.0.tgz#eb85b77a601fc932cfe432c5acd364a9e2c9075b"
@@ -164,11 +223,39 @@ aws-sdk@^2.811.0:
     uuid "3.3.2"
     xml2js "0.4.19"
 
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+base62@0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/base62/-/base62-0.1.1.tgz#7b4174c2f94449753b11c2651c083da841a7b084"
+  integrity sha1-e0F0wvlESXU7EcJlHAg9qEGnsIQ=
+
+base62@^1.1.0:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/base62/-/base62-1.2.8.tgz#1264cb0fb848d875792877479dbe8bae6bae3428"
+  integrity sha512-V6YHUbjLxN1ymqNLb1DPHoU1CpfdL7d2YTIp5W3U4hhoG4hhxNmsFDs66M9EXxBiSEke5Bt5dwdfMwwZF70iLA==
+
 base64-js@^1.0.2, base64-js@^1.3.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
   integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
 
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+buffer-from@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
 buffer@4.9.2:
   version "4.9.2"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.2.tgz#230ead344002988644841ab0244af8c44bbe3ef8"
@@ -178,7 +265,7 @@ buffer@4.9.2:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-buffer@^5.1.0:
+buffer@^5.1.0, buffer@^5.5.0, buffer@^5.6.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
   integrity sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==
@@ -239,6 +326,11 @@ chalk@^4.0.0:
     ansi-styles "^4.1.0"
     supports-color "^7.1.0"
 
+clone-buffer@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
+  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
+
 clone-response@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
@@ -285,6 +377,26 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+commander@^2.5.0:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
+commoner@^0.10.1:
+  version "0.10.8"
+  resolved "https://registry.yarnpkg.com/commoner/-/commoner-0.10.8.tgz#34fc3672cd24393e8bb47e70caa0293811f4f2c5"
+  integrity sha1-NPw2cs0kOT6LtH5wyqApOBH08sU=
+  dependencies:
+    commander "^2.5.0"
+    detective "^4.3.1"
+    glob "^5.0.15"
+    graceful-fs "^4.1.2"
+    iconv-lite "^0.4.5"
+    mkdirp "^0.5.0"
+    private "^0.1.6"
+    q "^1.1.2"
+    recast "^0.11.17"
+
 compressible@^2.0.0:
   version "2.0.18"
   resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.18.tgz#af53cca6b070d4c3c0750fbd77286a6d7cc46fba"
@@ -292,6 +404,11 @@ compressible@^2.0.0:
   dependencies:
     mime-db ">= 1.43.0 < 2"
 
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
 content-disposition@~0.5.2:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
@@ -312,7 +429,7 @@ cookies@~0.8.0:
     depd "~2.0.0"
     keygrip "~1.1.0"
 
-core-util-is@^1.0.2:
+core-util-is@^1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
@@ -367,6 +484,19 @@ defer-to-connect@^2.0.0:
   resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-2.0.0.tgz#83d6b199db041593ac84d781b5222308ccf4c2c1"
   integrity sha512-bYL2d05vOSf1JEZNx5vSAtPuBMkX8K9EUutg7zlKvTqKXHt7RhWJFbmd7qakVuf13i+IkGmp6FwSsONOf6VYIg==
 
+deferred-leveldown@~5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-5.3.0.tgz#27a997ad95408b61161aa69bd489b86c71b78058"
+  integrity sha512-a59VOT+oDy7vtAbLRCZwWgxu2BaCfd5Hk7wxJd48ei7I+nsg8Orlb9CLG0PMZienk9BSUKgeAqkO2+Lw+1+Ukw==
+  dependencies:
+    abstract-leveldown "~6.2.1"
+    inherits "^2.0.3"
+
+defined@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+  integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
+
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -387,6 +517,19 @@ destroy@^1.0.4:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
+detective@^4.3.1:
+  version "4.7.1"
+  resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
+  integrity sha512-H6PmeeUcZloWtdt4DAkFyzFL94arpHr3NOwwmVILFiy+9Qd4JTxxXrzfyGk/lmct2qVGBwTSwSXagqu2BxmWig==
+  dependencies:
+    acorn "^5.2.1"
+    defined "^1.0.0"
+
+double-ended-queue@2.1.0-0:
+  version "2.1.0-0"
+  resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
+  integrity sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw=
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
@@ -397,6 +540,16 @@ encodeurl@^1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
+encoding-down@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-6.3.0.tgz#b1c4eb0e1728c146ecaef8e32963c549e76d082b"
+  integrity sha512-QKrV0iKR6MZVJV08QY0wp1e7vF6QbhnbQhb07bwpEyuz4uZiZgPlEGdkCROuFkUwdxlFaiPIhjyarH1ee/3vhw==
+  dependencies:
+    abstract-leveldown "^6.2.1"
+    inherits "^2.0.3"
+    level-codec "^9.0.0"
+    level-errors "^2.0.0"
+
 end-of-stream@^1.1.0:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
@@ -404,6 +557,38 @@ end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+end-stream@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/end-stream/-/end-stream-0.1.0.tgz#32003f3f438a2b0143168137f8fa6e9866c81ed5"
+  integrity sha1-MgA/P0OKKwFDFoE3+PpumGbIHtU=
+  dependencies:
+    write-stream "~0.4.3"
+
+errno@~0.1.1:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.8.tgz#8bb3e9c7d463be4976ff888f76b4809ebc2e811f"
+  integrity sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==
+  dependencies:
+    prr "~1.0.1"
+
+es3ify@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/es3ify/-/es3ify-0.1.4.tgz#ad9fa5df1ae34f3f31e1211b5818b2d51078dfd1"
+  integrity sha1-rZ+l3xrjTz8x4SEbWBiy1RB439E=
+  dependencies:
+    esprima-fb "~3001.0001.0000-dev-harmony-fb"
+    jstransform "~3.0.0"
+    through "~2.3.4"
+
+es3ify@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/es3ify/-/es3ify-0.2.2.tgz#5dae3e650e5be3684b88066513d528d092629862"
+  integrity sha1-Xa4+ZQ5b42hLiAZlE9Uo0JJimGI=
+  dependencies:
+    esprima "^2.7.1"
+    jstransform "~11.0.0"
+    through "~2.3.4"
+
 escape-html@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -414,11 +599,56 @@ escape-string-regexp@^1.0.5:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
+esmangle-evaluator@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/esmangle-evaluator/-/esmangle-evaluator-1.0.1.tgz#620d866ef4861b3311f75766d52a8572bb3c6336"
+  integrity sha1-Yg2GbvSGGzMR91dm1SqFcrs8YzY=
+
+esprima-fb@^15001.1.0-dev-harmony-fb:
+  version "15001.1.0-dev-harmony-fb"
+  resolved "https://registry.yarnpkg.com/esprima-fb/-/esprima-fb-15001.1.0-dev-harmony-fb.tgz#30a947303c6b8d5e955bee2b99b1d233206a6901"
+  integrity sha1-MKlHMDxrjV6VW+4rmbHSMyBqaQE=
+
+esprima-fb@~15001.1001.0-dev-harmony-fb:
+  version "15001.1001.0-dev-harmony-fb"
+  resolved "https://registry.yarnpkg.com/esprima-fb/-/esprima-fb-15001.1001.0-dev-harmony-fb.tgz#43beb57ec26e8cf237d3dd8b33e42533577f2659"
+  integrity sha1-Q761fsJujPI3092LM+QlM1d/Jlk=
+
+esprima-fb@~3001.0001.0000-dev-harmony-fb, esprima-fb@~3001.1.0-dev-harmony-fb:
+  version "3001.1.0-dev-harmony-fb"
+  resolved "https://registry.yarnpkg.com/esprima-fb/-/esprima-fb-3001.0001.0000-dev-harmony-fb.tgz#b77d37abcd38ea0b77426bb8bc2922ce6b426411"
+  integrity sha1-t303q8046gt3Qmu4vCkizmtCZBE=
+
+esprima@^2.7.1:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+  integrity sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=
+
+esprima@~3.1.0:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
+  integrity sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM=
+
+event-target-shim@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
+  integrity sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==
+
 events@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
   integrity sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ=
 
+falafel@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/falafel/-/falafel-1.2.0.tgz#c18d24ef5091174a497f318cd24b026a25cddab4"
+  integrity sha1-wY0k71CRF0pJfzGM0ksCaiXN2rQ=
+  dependencies:
+    acorn "^1.0.3"
+    foreach "^2.0.5"
+    isarray "0.0.1"
+    object-keys "^1.0.6"
+
 fast-redact@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/fast-redact/-/fast-redact-3.0.0.tgz#ac2f9e36c9f4976f5db9fb18c6ffbaf308cf316d"
@@ -436,11 +666,23 @@ fast-url-parser@^1.1.3:
   dependencies:
     punycode "^1.3.2"
 
+fetch-cookie@0.10.1:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/fetch-cookie/-/fetch-cookie-0.10.1.tgz#5ea88f3d36950543c87997c27ae2aeafb4b5c4d4"
+  integrity sha512-beB+VEd4cNeVG1PY+ee74+PkuCQnik78pgLi5Ah/7qdUfov8IctU0vLUbBT8/10Ma5GMBeI4wtxhGrEfKNYs2g==
+  dependencies:
+    tough-cookie "^2.3.3 || ^3.0.1 || ^4.0.0"
+
 flatstr@^1.0.12:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/flatstr/-/flatstr-1.0.12.tgz#c2ba6a08173edbb6c9640e3055b95e287ceb5931"
   integrity sha512-4zPxDyhCyiN2wIAtSLI6gc82/EjqZc1onI4Mz/l0pWrAlsSfYH/2ZIcU+e3oA2wDwbzIWNKwa23F8rh6+DRWkw==
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+  integrity sha1-C+4AUBiusmDQo6865ljdATbsG5k=
+
 formidable@^1.1.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.2.tgz#bf69aea2972982675f00865342b982986f6b8dd9"
@@ -458,6 +700,17 @@ get-stream@^5.1.0:
   dependencies:
     pump "^3.0.0"
 
+glob@^5.0.15:
+  version "5.0.15"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
+  integrity sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 got@^11.8.1:
   version "11.8.1"
   resolved "https://registry.yarnpkg.com/got/-/got-11.8.1.tgz#df04adfaf2e782babb3daabc79139feec2f7e85d"
@@ -475,6 +728,11 @@ got@^11.8.1:
     p-cancelable "^2.0.0"
     responselike "^2.0.0"
 
+graceful-fs@^4.1.2:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
+
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -538,7 +796,7 @@ http2-wrapper@^1.0.0-beta.5.2:
     quick-lru "^5.1.1"
     resolve-alpn "^1.0.0"
 
-iconv-lite@0.4.24:
+iconv-lite@0.4.24, iconv-lite@^0.4.5:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -555,20 +813,46 @@ ieee754@^1.1.13, ieee754@^1.1.4:
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
   integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
 
+immediate@3.3.0, immediate@^3.2.3:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.3.0.tgz#1aef225517836bcdf7f2a2de2600c79ff0269266"
+  integrity sha512-HR7EVodfFUdQCTIeySw+WDRFJlPcLOJbXfwwZ7Oom6tjsvZ3bOkCDJHehQC3nxJrv7+f9XecwazynjU8e4Vw3Q==
+
+immediate@~3.0.5:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
+  integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
+
 inflation@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/inflation/-/inflation-2.0.0.tgz#8b417e47c28f925a45133d914ca1fd389107f30f"
   integrity sha1-i0F+R8KPklpFEz2RTKH9OJEH8w8=
 
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.4, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
 inherits@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
-inherits@2.0.4, inherits@^2.0.3:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
-  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+inline-process-browser@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/inline-process-browser/-/inline-process-browser-1.0.0.tgz#46a61b153dd3c9b1624b1a00626edb4f7f414f22"
+  integrity sha1-RqYbFT3TybFiSxoAYm7bT39BTyI=
+  dependencies:
+    falafel "^1.0.1"
+    through2 "^0.6.5"
 
 is-class-hotfix@~0.0.6:
   version "0.0.6"
@@ -630,6 +914,26 @@ json-buffer@3.0.1:
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.1.tgz#9338802a30d3b6605fbe0613e094008ca8c05a13"
   integrity sha512-4bV5BfR2mqfQTJm+V5tPPdf+ZpuhiIvTuAB5g8kcrXOZpTT/QwwVRWBywX1ozr6lEuPdbHxwaJlm9G6mI2sfSQ==
 
+jstransform@~11.0.0:
+  version "11.0.3"
+  resolved "https://registry.yarnpkg.com/jstransform/-/jstransform-11.0.3.tgz#09a78993e0ae4d4ef4487f6155a91f6190cb4223"
+  integrity sha1-CaeJk+CuTU70SH9hVakfYZDLQiM=
+  dependencies:
+    base62 "^1.1.0"
+    commoner "^0.10.1"
+    esprima-fb "^15001.1.0-dev-harmony-fb"
+    object-assign "^2.0.0"
+    source-map "^0.4.2"
+
+jstransform@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/jstransform/-/jstransform-3.0.0.tgz#a2591ab6cee8d97bf3be830dbfa2313b87cd640b"
+  integrity sha1-olkats7o2XvzvoMNv6IxO4fNZAs=
+  dependencies:
+    base62 "0.1.1"
+    esprima-fb "~3001.1.0-dev-harmony-fb"
+    source-map "0.1.31"
+
 keygrip@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.1.0.tgz#871b1681d5e159c62a445b0c74b615e0917e7226"
@@ -752,16 +1056,120 @@ koa@^2.7.0:
     type-is "^1.6.16"
     vary "^1.1.2"
 
+level-codec@9.0.2, level-codec@^9.0.0:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.2.tgz#fd60df8c64786a80d44e63423096ffead63d8cbc"
+  integrity sha512-UyIwNb1lJBChJnGfjmO0OR+ezh2iVu1Kas3nvBS/BzGnx79dv6g7unpKIDNPMhfdTEGoc7mC8uAu51XEtX+FHQ==
+  dependencies:
+    buffer "^5.6.0"
+
+level-concat-iterator@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/level-concat-iterator/-/level-concat-iterator-2.0.1.tgz#1d1009cf108340252cb38c51f9727311193e6263"
+  integrity sha512-OTKKOqeav2QWcERMJR7IS9CUo1sHnke2C0gkSmcR7QuEtFNLLzHQAvnMw8ykvEcv0Qtkg0p7FOwP1v9e5Smdcw==
+
+level-errors@^2.0.0, level-errors@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-2.0.1.tgz#2132a677bf4e679ce029f517c2f17432800c05c8"
+  integrity sha512-UVprBJXite4gPS+3VznfgDSU8PTRuVX0NXwoWW50KLxd2yw4Y1t2JUR5In1itQnudZqRMT9DlAM3Q//9NCjCFw==
+  dependencies:
+    errno "~0.1.1"
+
+level-iterator-stream@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-4.0.2.tgz#7ceba69b713b0d7e22fcc0d1f128ccdc8a24f79c"
+  integrity sha512-ZSthfEqzGSOMWoUGhTXdX9jv26d32XJuHz/5YnuHZzH6wldfWMOVwI9TBtKcya4BKTyTt3XVA0A3cF3q5CY30Q==
+  dependencies:
+    inherits "^2.0.4"
+    readable-stream "^3.4.0"
+    xtend "^4.0.2"
+
+level-js@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/level-js/-/level-js-5.0.2.tgz#5e280b8f93abd9ef3a305b13faf0b5397c969b55"
+  integrity sha512-SnBIDo2pdO5VXh02ZmtAyPP6/+6YTJg2ibLtl9C34pWvmtMEmRTWpra+qO/hifkUtBTOtfx6S9vLDjBsBK4gRg==
+  dependencies:
+    abstract-leveldown "~6.2.3"
+    buffer "^5.5.0"
+    inherits "^2.0.3"
+    ltgt "^2.1.2"
+
+level-packager@^5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-5.1.1.tgz#323ec842d6babe7336f70299c14df2e329c18939"
+  integrity sha512-HMwMaQPlTC1IlcwT3+swhqf/NUO+ZhXVz6TY1zZIIZlIR0YSn8GtAAWmIvKjNY16ZkEg/JcpAuQskxsXqC0yOQ==
+  dependencies:
+    encoding-down "^6.3.0"
+    levelup "^4.3.2"
+
+level-supports@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/level-supports/-/level-supports-1.0.1.tgz#2f530a596834c7301622521988e2c36bb77d122d"
+  integrity sha512-rXM7GYnW8gsl1vedTJIbzOrRv85c/2uCMpiiCzO2fndd06U/kUXEEU9evYn4zFggBOg36IsBW8LzqIpETwwQzg==
+  dependencies:
+    xtend "^4.0.2"
+
+level-write-stream@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/level-write-stream/-/level-write-stream-1.0.0.tgz#3f7fbb679a55137c0feb303dee766e12ee13c1dc"
+  integrity sha1-P3+7Z5pVE3wP6zA97nZuEu4Twdw=
+  dependencies:
+    end-stream "~0.1.0"
+
+level@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/level/-/level-6.0.1.tgz#dc34c5edb81846a6de5079eac15706334b0d7cd6"
+  integrity sha512-psRSqJZCsC/irNhfHzrVZbmPYXDcEYhA5TVNwr+V92jF44rbf86hqGp8fiT702FyiArScYIlPSBTDUASCVNSpw==
+  dependencies:
+    level-js "^5.0.0"
+    level-packager "^5.1.0"
+    leveldown "^5.4.0"
+
+leveldown@5.6.0, leveldown@^5.4.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/leveldown/-/leveldown-5.6.0.tgz#16ba937bb2991c6094e13ac5a6898ee66d3eee98"
+  integrity sha512-iB8O/7Db9lPaITU1aA2txU/cBEXAt4vWwKQRrrWuS6XDgbP4QZGj9BL2aNbwb002atoQ/lIotJkfyzz+ygQnUQ==
+  dependencies:
+    abstract-leveldown "~6.2.1"
+    napi-macros "~2.0.0"
+    node-gyp-build "~4.1.0"
+
+levelup@4.4.0, levelup@^4.3.2:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-4.4.0.tgz#f89da3a228c38deb49c48f88a70fb71f01cafed6"
+  integrity sha512-94++VFO3qN95cM/d6eBXvd894oJE0w3cInq9USsyQzzoJxmiYzPAocNcuGCPGGjoXqDVJcr3C1jzt1TSjyaiLQ==
+  dependencies:
+    deferred-leveldown "~5.3.0"
+    level-errors "~2.0.0"
+    level-iterator-stream "~4.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
 leven@2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
   integrity sha1-wuep93IJTe6dNCAq6KzORoeHVYA=
 
+lie@3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lie/-/lie-3.0.4.tgz#bc7ae1ebe7f1c8de39afdcd4f789076b47b0f634"
+  integrity sha1-vHrh6+fxyN45r9zU94kHa0ew9jQ=
+  dependencies:
+    es3ify "^0.2.2"
+    immediate "~3.0.5"
+    inline-process-browser "^1.0.0"
+    unreachable-branch-transform "^0.3.0"
+
 lowercase-keys@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
   integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
 
+ltgt@2.2.1, ltgt@^2.1.2:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
+  integrity sha1-81ypHEk/e3PaDgdJUwTxezH4fuU=
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -799,6 +1207,25 @@ mimic-response@^3.1.0:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-3.1.0.tgz#2d1d59af9c1b129815accc2c46a022a5ce1fa3c9"
   integrity sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ==
 
+"minimatch@2 || 3":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mkdirp@^0.5.0:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
 mri@1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/mri/-/mri-1.1.4.tgz#7cb1dd1b9b40905f1fac053abe25b6720f44744a"
@@ -819,16 +1246,46 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
+napi-macros@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/napi-macros/-/napi-macros-2.0.0.tgz#2b6bae421e7b96eb687aa6c77a7858640670001b"
+  integrity sha512-A0xLykHtARfueITVDernsAWdtIMbOJgKgcluwENp3AlsKN/PloyO10HtmoqnFAQAcxPkgZN7wdfPfEd0zNGxbg==
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
+node-fetch@2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
+  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+
+node-fetch@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
+  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
+
+node-gyp-build@~4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.1.1.tgz#d7270b5d86717068d114cc57fff352f96d745feb"
+  integrity sha512-dSq1xmcPDKPZ2EED2S6zw/b9NKsqzXRE6dVr8TVQnI3FJOTteUMuqF3Qqs6LZg+mLGYJWqQzMbIjMtJqTv87nQ==
+
 normalize-url@^4.1.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
   integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
 
+object-assign@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-2.1.1.tgz#43c36e5d569ff8e4816c4efa8be02d26967c18aa"
+  integrity sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=
+
+object-keys@^1.0.6:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
 on-finished@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -836,7 +1293,7 @@ on-finished@^2.3.0:
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.1, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
@@ -858,7 +1315,7 @@ parseurl@^1.3.2:
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
   integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
 
-path-is-absolute@1.0.1:
+path-is-absolute@1.0.1, path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
@@ -913,6 +1370,65 @@ pino@^6.0.0:
     quick-format-unescaped "^4.0.1"
     sonic-boom "^1.0.2"
 
+pouchdb-all-dbs@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pouchdb-all-dbs/-/pouchdb-all-dbs-1.0.2.tgz#8fa1aa4b01665e00e0da9c61bf6dbb99eca05d3c"
+  integrity sha1-j6GqSwFmXgDg2pxhv227meygXTw=
+  dependencies:
+    argsarray "0.0.1"
+    es3ify "^0.1.3"
+    inherits "~2.0.1"
+    pouchdb-promise "5.4.3"
+    tiny-queue "^0.2.0"
+
+pouchdb-promise@5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/pouchdb-promise/-/pouchdb-promise-5.4.3.tgz#331d670b1989d5a03f268811214f27f54150cb2b"
+  integrity sha1-Mx1nCxmJ1aA/JogRIU8n9UFQyys=
+  dependencies:
+    lie "3.0.4"
+
+pouchdb@^7.2.2:
+  version "7.2.2"
+  resolved "https://registry.yarnpkg.com/pouchdb/-/pouchdb-7.2.2.tgz#fcae82862db527e4cf7576ed8549d1384961f364"
+  integrity sha512-5gf5nw5XH/2H/DJj8b0YkvG9fhA/4Jt6kL0Y8QjtztVjb1y4J19Rg4rG+fUbXu96gsUrlyIvZ3XfM0b4mogGmw==
+  dependencies:
+    abort-controller "3.0.0"
+    argsarray "0.0.1"
+    buffer-from "1.1.1"
+    clone-buffer "1.0.0"
+    double-ended-queue "2.1.0-0"
+    fetch-cookie "0.10.1"
+    immediate "3.3.0"
+    inherits "2.0.4"
+    level "6.0.1"
+    level-codec "9.0.2"
+    level-write-stream "1.0.0"
+    leveldown "5.6.0"
+    levelup "4.4.0"
+    ltgt "2.2.1"
+    node-fetch "2.6.0"
+    readable-stream "1.1.14"
+    spark-md5 "3.0.1"
+    through2 "3.0.2"
+    uuid "8.1.0"
+    vuvuzela "1.0.3"
+
+private@^0.1.6, private@~0.1.5:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+  integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
+
+prr@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
+  integrity sha1-0/wRS6BplaRexok/SEzrHXj19HY=
+
+psl@^1.1.33:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+  integrity sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==
+
 pump@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
@@ -931,6 +1447,16 @@ punycode@^1.3.2:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
   integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
 
+punycode@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+  integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
+
+q@^1.1.2:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
+  integrity sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc=
+
 qs@^6.4.0:
   version "6.9.4"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
@@ -961,7 +1487,17 @@ raw-body@^2.2.0:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
-readable-stream@^3.0.0, readable-stream@^3.6.0:
+readable-stream@1.1.14:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+"readable-stream@2 || 3", readable-stream@^3.0.0, readable-stream@^3.4.0, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -970,6 +1506,41 @@ readable-stream@^3.0.0, readable-stream@^3.6.0:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
+"readable-stream@>=1.0.33-1 <1.1.0-0":
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readable-stream@~0.0.2:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-0.0.4.tgz#f32d76e3fb863344a548d79923007173665b3b8d"
+  integrity sha1-8y124/uGM0SlSNeZIwBxc2ZbO40=
+
+recast@^0.10.1:
+  version "0.10.43"
+  resolved "https://registry.yarnpkg.com/recast/-/recast-0.10.43.tgz#b95d50f6d60761a5f6252e15d80678168491ce7f"
+  integrity sha1-uV1Q9tYHYaX2JS4V2AZ4FoSRzn8=
+  dependencies:
+    ast-types "0.8.15"
+    esprima-fb "~15001.1001.0-dev-harmony-fb"
+    private "~0.1.5"
+    source-map "~0.5.0"
+
+recast@^0.11.17:
+  version "0.11.23"
+  resolved "https://registry.yarnpkg.com/recast/-/recast-0.11.23.tgz#451fd3004ab1e4df9b4e4b66376b2a21912462d3"
+  integrity sha1-RR/TAEqx5N+bTktmN2sqIZEkYtM=
+  dependencies:
+    ast-types "0.9.6"
+    esprima "~3.1.0"
+    private "~0.1.5"
+    source-map "~0.5.0"
+
 resolve-alpn@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/resolve-alpn/-/resolve-alpn-1.0.0.tgz#745ad60b3d6aff4b4a48e01b8c0bdc70959e0e8c"
@@ -1043,6 +1614,30 @@ sonic-boom@^1.0.2:
     atomic-sleep "^1.0.0"
     flatstr "^1.0.12"
 
+source-map@0.1.31:
+  version "0.1.31"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.1.31.tgz#9f704d0d69d9e138a81badf6ebb4fde33d151c61"
+  integrity sha1-n3BNDWnZ4TioG63267T94z0VHGE=
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  integrity sha1-66T12pwNyZneaAMti092FzZSA2s=
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@~0.5.0:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
+spark-md5@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/spark-md5/-/spark-md5-3.0.1.tgz#83a0e255734f2ab4e5c466e5a2cfc9ba2aa2124d"
+  integrity sha512-0tF3AGSD1ppQeuffsLDIOWlKUd3lS92tFxcsrh5Pe3ZphhnoK+oXIBTzOAThZCiuINZLvpiLH/1VS1/ANEJVig==
+
 split2@^3.1.1:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/split2/-/split2-3.2.2.tgz#bf2cf2a37d838312c249c89206fd7a17dd12365f"
@@ -1067,6 +1662,11 @@ string_decoder@^1.1.1:
   dependencies:
     safe-buffer "~5.2.0"
 
+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+
 strip-json-comments@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
@@ -1086,11 +1686,46 @@ supports-color@^7.1.0:
   dependencies:
     has-flag "^4.0.0"
 
+through2@3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-3.0.2.tgz#99f88931cfc761ec7678b41d5d7336b5b6a07bf4"
+  integrity sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==
+  dependencies:
+    inherits "^2.0.4"
+    readable-stream "2 || 3"
+
+through2@^0.6.2, through2@^0.6.5:
+  version "0.6.5"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
+  integrity sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=
+  dependencies:
+    readable-stream ">=1.0.33-1 <1.1.0-0"
+    xtend ">=4.0.0 <4.1.0-0"
+
+through@~2.3.4:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
+
+tiny-queue@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/tiny-queue/-/tiny-queue-0.2.1.tgz#25a67f2c6e253b2ca941977b5ef7442ef97a6046"
+  integrity sha1-JaZ/LG4lOyypQZd7XvdELvl6YEY=
+
 toidentifier@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
   integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
 
+"tough-cookie@^2.3.3 || ^3.0.1 || ^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-4.0.0.tgz#d822234eeca882f991f0f908824ad2622ddbece4"
+  integrity sha512-tHdtEpQCMrc1YLrMaqXXcj6AxhYi/xgit6mZu1+EDWUn+qhUf8wMQoFIy9NXuq23zAwtcB0t/MjACGR18pcRbg==
+  dependencies:
+    psl "^1.1.33"
+    punycode "^2.1.1"
+    universalify "^0.1.2"
+
 tsscmp@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/tsscmp/-/tsscmp-1.0.6.tgz#85b99583ac3589ec4bfef825b5000aa911d605eb"
@@ -1104,11 +1739,25 @@ type-is@^1.6.14, type-is@^1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
+universalify@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+
 unpipe@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
+unreachable-branch-transform@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/unreachable-branch-transform/-/unreachable-branch-transform-0.3.0.tgz#d99cc4c6e746d264928845b611db54b0f3474caa"
+  integrity sha1-2ZzExudG0mSSiEW2EdtUsPNHTKo=
+  dependencies:
+    esmangle-evaluator "^1.0.0"
+    recast "^0.10.1"
+    through2 "^0.6.2"
+
 urijs@^1.19.2:
   version "1.19.2"
   resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.2.tgz#f9be09f00c4c5134b7cb3cf475c1dd394526265a"
@@ -1132,6 +1781,11 @@ uuid@3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
   integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
 
+uuid@8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.1.0.tgz#6f1536eb43249f473abc6bd58ff983da1ca30d8d"
+  integrity sha512-CI18flHDznR0lq54xBycOVmphdCYnQLKn8abKn7PXUiKUGdEd+/l9LWNJmugXel4hXq7S+RMNl34ecyC9TntWg==
+
 uuid@^3.3.2:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
@@ -1142,11 +1796,23 @@ vary@^1.1.2:
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
 
+vuvuzela@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/vuvuzela/-/vuvuzela-1.0.3.tgz#3be145e58271c73ca55279dd851f12a682114b0b"
+  integrity sha1-O+FF5YJxxzylUnndhR8SpoIRSws=
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
+write-stream@~0.4.3:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/write-stream/-/write-stream-0.4.3.tgz#83cc8c0347d0af6057a93862b4e3ae01de5c81c1"
+  integrity sha1-g8yMA0fQr2BXqThitOOuAd5cgcE=
+  dependencies:
+    readable-stream "~0.0.2"
+
 xml2js@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.19.tgz#686c20f213209e94abf0d1bcf1efaa291c7827a7"
@@ -1160,6 +1826,11 @@ xmlbuilder@~9.0.1:
   resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"
   integrity sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=
 
+"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.2, xtend@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
 ylru@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/ylru/-/ylru-1.2.1.tgz#f576b63341547989c1de7ba288760923b27fe84f"