add api to get/set footer and remove all use of custom.js

src/routes/settings.js

@@ -97,6 +97,26 @@ function setTimeZone(req, res, next) {
     });
 }
 
+function getFooter(req, res, next) {
+    settings.getFooter(function (error, footer) {
+        if (error) return next(BoxError.toHttpError(error));
+
+        next(new HttpSuccess(200, { footer }));
+    });
+}
+
+function setFooter(req, res, next) {
+    assert.strictEqual(typeof req.body, 'object');
+
+    if (typeof req.body.footer !== 'string') return next(new HttpError(400, 'footer is required'));
+
+    settings.setFooter(req.body.footer, function (error) {
+        if (error) return next(BoxError.toHttpError(error));
+
+        next(new HttpSuccess(200, {}));
+    });
+}
+
 function setCloudronAvatar(req, res, next) {
     assert.strictEqual(typeof req.files, 'object');
 
@@ -306,6 +326,8 @@ function get(req, res, next) {
     case settings.TIME_ZONE_KEY: return getTimeZone(req, res, next);
     case settings.CLOUDRON_NAME_KEY: return getCloudronName(req, res, next);
 
+    case settings.FOOTER_KEY: return getFooter(req, res, next);
+
     case settings.CLOUDRON_AVATAR_KEY: return getCloudronAvatar(req, res, next);
 
     default: return next(new HttpError(404, 'No such setting'));
@@ -329,6 +351,8 @@ function set(req, res, next) {
     case settings.TIME_ZONE_KEY: return setTimeZone(req, res, next);
     case settings.CLOUDRON_NAME_KEY: return setCloudronName(req, res, next);
 
+    case settings.FOOTER_KEY: return setFooter(req, res, next);
+
     case settings.CLOUDRON_AVATAR_KEY: return setCloudronAvatar(req, res, next);
 
     default: return next(new HttpError(404, 'No such setting'));