move wellKnownJson to domains

after some more thought:
* If app moves to another location, user has to remember to move all this config
* It's not really associated with an app. It's to do with the domain info
* We can put some hints in the UI if app is missing.

part of #703

src/routes/apps.js

@@ -32,7 +32,6 @@ exports = module.exports = {
     setLocation,
     setDataDir,
     setMounts,
-    setWellKnown,
 
     stop,
     start,
@@ -797,19 +796,3 @@ function setMounts(req, res, next) {
         next(new HttpSuccess(202, { taskId: result.taskId }));
     });
 }
-
-function setWellKnown(req, res, next) {
-    assert.strictEqual(typeof req.body, 'object');
-    assert.strictEqual(typeof req.resource, 'object');
-
-    if (typeof req.body.wellKnown !== 'object') return next(new HttpError(400, 'wellKnown must be an object'));
-    if (req.body.wellKnown) {
-        if (Object.keys(req.body.wellKnown).some(k => typeof req.body.wellKnown[k] !== 'string')) return next(new HttpError(400, 'wellKnown is a map of strings'));
-    }
-
-    apps.setWellKnown(req.resource, req.body.wellKnown, auditSource.fromRequest(req), function (error, result) {
-        if (error) return next(BoxError.toHttpError(error));
-
-        next(new HttpSuccess(200, {}));
-    });
-}

src/routes/domains.js

@@ -99,6 +99,13 @@ function update(req, res, next) {
         if (!req.body.tlsConfig.provider || typeof req.body.tlsConfig.provider !== 'string') return next(new HttpError(400, 'tlsConfig.provider must be a string'));
     }
 
+    if ('wellKnown' in req.body) {
+        if (typeof req.body.wellKnown !== 'object') return next(new HttpError(400, 'wellKnown must be an object'));
+        if (req.body.wellKnown) {
+            if (Object.keys(req.body.wellKnown).some(k => typeof req.body.wellKnown[k] !== 'string')) return next(new HttpError(400, 'wellKnown is a map of strings'));
+        }
+    }
+
     // some DNS providers like DigitalOcean take a really long time to verify credentials (https://github.com/expressjs/timeout/issues/26)
     req.clearTimeout();
 
@@ -107,7 +114,8 @@ function update(req, res, next) {
         provider: req.body.provider,
         config: req.body.config,
         fallbackCertificate: req.body.fallbackCertificate || null,
-        tlsConfig: req.body.tlsConfig || { provider: 'letsencrypt-prod' }
+        tlsConfig: req.body.tlsConfig || { provider: 'letsencrypt-prod' },
+        wellKnown: req.body.wellKnown || null
     };
 
     domains.update(req.params.domain, data, auditSource.fromRequest(req), function (error) {

src/routes/wellknown.js

@@ -4,18 +4,18 @@ exports = module.exports = {
     get
 };
 
-const apps = require('../apps.js'),
+const domains = require('../domains.js'),
     HttpError = require('connect-lastmile').HttpError;
 
 function get(req, res, next) {
     const host = req.headers['host'];
 
-    apps.getByFqdn(host, function (error, app) {
+    domains.get(host, function (error, domain) {
         if (error) return next(new HttpError(404, error.message));
 
         const location = req.params[0];
-        if (!app.wellKnown || !(location in app.wellKnown)) return next(new HttpError(404, 'No custom well-known config'));
+        if (!domain.wellKnown || !(location in domain.wellKnown)) return next(new HttpError(404, 'No custom well-known config'));
 
-        res.status(200).send(app.wellKnown[location]);
+        res.status(200).send(domain.wellKnown[location]);
     });
 }