Initial work towards rbac.

packages/builder/src/components/backend/DataTable/modals/EditRoles.svelte

@@ -6,7 +6,7 @@
   import ErrorsBox from "components/common/ErrorsBox.svelte"
   import { backendUiStore } from "builderStore"
 
-  let permissions = []
+  let basePermissions = []
   let selectedRole = {}
   let errors = []
   let builtInRoles = ["Admin", "Power", "Basic", "Public"]
@@ -16,9 +16,9 @@
   )
   $: isCreating = selectedRoleId == null || selectedRoleId === ""
 
-  const fetchPermissions = async () => {
-    const permissionsResponse = await api.get("/api/permissions")
-    permissions = await permissionsResponse.json()
+  const fetchBasePermissions = async () => {
+    const permissionsResponse = await api.get("/api/permission/builtin")
+    basePermissions = await permissionsResponse.json()
   }
 
   // Changes the selected role
@@ -81,7 +81,7 @@
     }
   }
 
-  onMount(fetchPermissions)
+  onMount(fetchBasePermissions)
 </script>
 
 <ModalContent
@@ -121,11 +121,11 @@
     <Select
       thin
       secondary
-      label="Permissions"
+      label="Base Permissions"
       bind:value={selectedRole.permissionId}>
       <option value="">Choose permissions</option>
-      {#each permissions as permission}
-        <option value={permission._id}>{permission.name}</option>
+      {#each basePermissions as basePerm}
+        <option value={basePerm._id}>{basePerm.name}</option>
       {/each}
     </Select>
   {/if}

packages/server/src/api/controllers/hosting.js

@@ -14,6 +14,7 @@ exports.fetchInfo = async ctx => {
 }
 
 exports.save = async ctx => {
+  console.trace("DID A SAVE!")
   const db = new CouchDB(BUILDER_CONFIG_DB)
   const { type } = ctx.request.body
   if (type === HostingTypes.CLOUD && ctx.request.body._rev) {

packages/server/src/api/controllers/permission.js

@@ -1,6 +1,25 @@
-const { BUILTIN_PERMISSIONS } = require("../../utilities/security/permissions")
+const {
+  BUILTIN_PERMISSIONS,
+  PermissionLevels,
+} = require("../../utilities/security/permissions")
 
-exports.fetch = async function(ctx) {
-  // TODO: need to build out custom permissions
+function updatePermissionOnRole(roleId, permissions, remove = false) {
+
+}
+
+exports.fetchBuiltin = function(ctx) {
   ctx.body = Object.values(BUILTIN_PERMISSIONS)
 }
+
+exports.fetchLevels = function(ctx) {
+  ctx.body = Object.values(PermissionLevels)
+}
+
+exports.addPermission = async function(ctx) {
+  const permissions = ctx.body.permissions, appId = ctx.appId
+  updatePermissionOnRole
+}
+
+exports.removePermission = async function(ctx) {
+  const permissions = ctx.body.permissions, appId = ctx.appId
+}

packages/server/src/api/routes/permission.js

@@ -1,10 +1,46 @@
 const Router = require("@koa/router")
 const controller = require("../controllers/permission")
 const authorized = require("../../middleware/authorized")
-const { BUILDER } = require("../../utilities/security/permissions")
+const {
+  BUILDER,
+  PermissionLevels,
+} = require("../../utilities/security/permissions")
+const Joi = require("joi")
+const joiValidator = require("../../middleware/joi-validator")
 
 const router = Router()
 
-router.get("/api/permissions", authorized(BUILDER), controller.fetch)
+function generateAddValidator() {
+  const permLevelArray = Object.values(PermissionLevels)
+  // prettier-ignore
+  return joiValidator.body(Joi.object({
+    permissions: Joi.object()
+      .pattern(/.*/, [Joi.string().valid(...permLevelArray)])
+      .required()
+  }).unknown(true))
+}
+
+function generateRemoveValidator() {
+  // prettier-ignore
+  return joiValidator.body(Joi.object({
+    permissions: Joi.array().items(Joi.string())
+  }).unknown(true))
+}
+
+router
+  .get("/api/permission/builtin", authorized(BUILDER), controller.fetchBuiltin)
+  .get("/api/permission/levels", authorized(BUILDER), controller.fetchLevels)
+  .patch(
+    "/api/permission/:roleId/add",
+    authorized(BUILDER),
+    generateAddValidator(),
+    controller.addPermission
+  )
+  .patch(
+    "/api/permission/:roleId/remove",
+    authorized(BUILDER),
+    generateRemoveValidator(),
+    controller.removePermission
+  )
 
 module.exports = router

packages/server/src/utilities/builder/hosting.js

@@ -23,6 +23,7 @@ exports.HostingTypes = {
 }
 
 exports.getHostingInfo = async () => {
+  console.trace("DID A GET!")
   const db = new CouchDB(BUILDER_CONFIG_DB)
   let doc
   try {

packages/server/src/utilities/security/permissions.js

@@ -7,6 +7,7 @@ const PermissionLevels = {
   ADMIN: "admin",
 }
 
+// these are the global types, that govern the underlying default behaviour
 const PermissionTypes = {
   TABLE: "table",
   USER: "user",

packages/server/src/utilities/security/roles.js

@@ -66,14 +66,23 @@ exports.getRole = async (appId, roleId) => {
   if (!roleId) {
     return null
   }
-  let role
+  let role = {}
+  // built in roles mostly come from the in-code implementation,
+  // but can be extended by a doc stored about them (e.g. permissions)
   if (isBuiltin(roleId)) {
     role = cloneDeep(
       Object.values(exports.BUILTIN_ROLES).find(role => role._id === roleId)
     )
-  } else {
+  }
+  try {
     const db = new CouchDB(appId)
-    role = await db.get(roleId)
+    const dbRole = await db.get(roleId)
+    role = Object.assign(role, dbRole)
+  } catch (err) {
+    // only throw an error if there is no role at all
+    if (Object.keys(role).length === 0) {
+      throw err
+    }
   }
   return role
 }