Fixing issue with multi-tenancy and public apps, when the tenant isn't necessarily known, it can be found in the app ID, building a middleware to manage this.

packages/auth/src/db/utils.js

@@ -62,6 +62,23 @@ function getDocParams(docType, docId = null, otherProps = {}) {
   }
 }
 
+/**
+ * Given an app ID this will attempt to retrieve the tenant ID from it.
+ * @return {null|string} The tenant ID found within the app ID.
+ */
+exports.getTenantIDFromAppID = appId => {
+  const split = appId.split(SEPARATOR)
+  const hasDev = split[1] === DocumentTypes.DEV
+  if ((hasDev && split.length === 3) || (!hasDev && split.length === 2)) {
+    return null
+  }
+  if (hasDev) {
+    return split[2]
+  } else {
+    return split[1]
+  }
+}
+
 /**
  * Generates a new workspace ID.
  * @returns {string} The new workspace ID which the workspace doc can be stored under.

packages/auth/src/index.js

@@ -11,6 +11,7 @@ const {
   oidc,
   auditLog,
   tenancy,
+  appTenancy,
 } = require("./middleware")
 const { setDB } = require("./db")
 const userCache = require("./cache/user")
@@ -57,6 +58,7 @@ module.exports = {
     oidc,
     jwt: require("jsonwebtoken"),
     buildTenancyMiddleware: tenancy,
+    buildAppTenancyMiddleware: appTenancy,
     auditLog,
   },
   cache: {

packages/auth/src/middleware/appTenancy.js

@@ -0,0 +1,25 @@
+const {
+  isMultiTenant,
+  updateTenantId,
+  isTenantIdSet,
+  DEFAULT_TENANT_ID,
+} = require("../tenancy")
+const ContextFactory = require("../tenancy/FunctionContext")
+const { getTenantIDFromAppID } = require("../db/utils")
+
+module.exports = () => {
+  return ContextFactory.getMiddleware(ctx => {
+    // if not in multi-tenancy mode make sure its default and exit
+    if (!isMultiTenant()) {
+      updateTenantId(DEFAULT_TENANT_ID)
+      return
+    }
+    // if tenant ID already set no need to continue
+    if (isTenantIdSet()) {
+      return
+    }
+    const appId = ctx.appId ? ctx.appId : ctx.user ? ctx.user.appId : null
+    const tenantId = getTenantIDFromAppID(appId) || DEFAULT_TENANT_ID
+    updateTenantId(tenantId)
+  })
+}

packages/auth/src/middleware/index.js

@@ -5,6 +5,7 @@ const oidc = require("./passport/oidc")
 const authenticated = require("./authenticated")
 const auditLog = require("./auditLog")
 const tenancy = require("./tenancy")
+const appTenancy = require("./appTenancy")
 
 module.exports = {
   google,
@@ -14,4 +15,5 @@ module.exports = {
   authenticated,
   auditLog,
   tenancy,
+  appTenancy,
 }

packages/auth/src/middleware/tenancy.js

@@ -2,7 +2,11 @@ const { setTenantId } = require("../tenancy")
 const ContextFactory = require("../tenancy/FunctionContext")
 const { buildMatcherRegex, matches } = require("./matchers")
 
-module.exports = (allowQueryStringPatterns, noTenancyPatterns, opts = {}) => {
+module.exports = (
+  allowQueryStringPatterns,
+  noTenancyPatterns,
+  opts = { noTenancyRequired: false }
+) => {
   const allowQsOptions = buildMatcherRegex(allowQueryStringPatterns)
   const noTenancyOptions = buildMatcherRegex(noTenancyPatterns)
 

packages/auth/src/tenancy/context.js

@@ -21,9 +21,7 @@ exports.doInTenant = (tenantId, task) => {
     cls.setOnContext(TENANT_ID, tenantId)
 
     // invoke the task
-    const result = task()
+    return task()
-
-    return result
   })
 }
 

packages/server/src/api/index.js

@@ -1,6 +1,10 @@
 const Router = require("@koa/router")
-const { buildAuthMiddleware, auditLog, buildTenancyMiddleware } =
+const {
-  require("@budibase/auth").auth
+  buildAuthMiddleware,
+  auditLog,
+  buildTenancyMiddleware,
+  buildAppTenancyMiddleware,
+} = require("@budibase/auth").auth
 const currentApp = require("../middleware/currentapp")
 const compress = require("koa-compress")
 const zlib = require("zlib")
@@ -48,6 +52,8 @@ router
     })
   )
   .use(currentApp)
+  // this middleware will try to use the app ID to determine the tenancy
+  .use(buildAppTenancyMiddleware())
   .use(auditLog)
 
 // error handling middleware

packages/server/src/db/utils.js

@@ -19,6 +19,7 @@ const AppStatus = {
 
 const DocumentTypes = {
   APP: CoreDocTypes.APP,
+  DEV: CoreDocTypes.DEV,
   APP_DEV: CoreDocTypes.APP_DEV,
   APP_METADATA: CoreDocTypes.APP_METADATA,
   ROLE: CoreDocTypes.ROLE,