Add block device selector in restore view

src/routes/provision.js

@@ -6,7 +6,8 @@ exports = module.exports = {
     activate,
     restore,
     getStatus,
-    setupTokenAuth
+    setupTokenAuth,
+    getBlockDevices
 };
 
 const assert = require('assert'),
@@ -17,7 +18,9 @@ const assert = require('assert'),
     paths = require('../paths.js'),
     provision = require('../provision.js'),
     safe = require('safetydance'),
-    superagent = require('superagent');
+    superagent = require('superagent'),
+    system = require('../system.js'),
+    users = require('../users.js');
 
 function setupTokenAuth(req, res, next) {
     assert.strictEqual(typeof req.body, 'object');
@@ -129,3 +132,13 @@ async function getStatus(req, res, next) {
 
     next(new HttpSuccess(200, status));
 }
+
+async function getBlockDevices(req, res, next) {
+    const activated = await users.isActivated();
+    if (activated) throw new BoxError(BoxError.NOT_ALLOWED, 'Only available during restore.');
+
+    const [error, devices] = await safe(system.getBlockDevices());
+    if (error) return next(new HttpError(500, error));
+
+    next(new HttpSuccess(200, { devices }));
+}