Deprecate API v2 (#7761)

* deprecate api-v2

* remove v2 test helpers

* remove unused string

website/server/middlewares/redirects.js

@@ -0,0 +1,43 @@
+import nconf from 'nconf';
+
+const IS_PROD = nconf.get('IS_PROD');
+const IGNORE_REDIRECT = nconf.get('IGNORE_REDIRECT');
+const BASE_URL = nconf.get('BASE_URL');
+
+function isHTTP (req) {
+  return ( // eslint-disable-line no-extra-parens
+    req.header('x-forwarded-proto') &&
+    req.header('x-forwarded-proto') !== 'https' &&
+    IS_PROD &&
+    BASE_URL.indexOf('https') === 0
+  );
+}
+
+function isProxied (req) {
+  return ( // eslint-disable-line no-extra-parens
+    req.header('x-habitica-lb') &&
+    req.header('x-habitica-lb') === 'Yes'
+  );
+}
+
+export function forceSSL (req, res, next) {
+  if (isHTTP(req) && !isProxied(req)) {
+    return res.redirect(BASE_URL + req.originalUrl);
+  }
+
+  next();
+}
+
+// Redirect to habitica for non-api urls
+
+function nonApiUrl (req) {
+  return req.originalUrl.search(/\/api\//) === -1;
+}
+
+export function forceHabitica (req, res, next) {
+  if (IS_PROD && !IGNORE_REDIRECT && !isProxied(req) && nonApiUrl(req)) {
+    return res.redirect(301, BASE_URL + req.url);
+  }
+
+  next();
+}