Automatically Logout Banned Users (#12037)

* wip

* logout banned users, fix and refactor language library and middleware

* req.locals -> res.locals

* fix tests

* redirect to login page

test/api/unit/libs/language.test.js

@@ -0,0 +1,111 @@
+import {
+  getLanguageFromBrowser,
+  getLanguageFromUser,
+} from '../../../../website/server/libs/language';
+import {
+  generateReq,
+} from '../../../helpers/api-unit.helper';
+
+describe('language lib', () => {
+  let req;
+
+  beforeEach(() => {
+    req = generateReq();
+  });
+
+  describe('getLanguageFromUser', () => {
+    it('uses the user preferred language if avalaible', () => {
+      const user = {
+        preferences: {
+          language: 'it',
+        },
+      };
+
+      expect(getLanguageFromUser(user, req)).to.equal('it');
+    });
+
+    it('falls back to english if the user preferred language is not avalaible', () => {
+      const user = {
+        preferences: {
+          language: 'bla',
+        },
+      };
+
+      expect(getLanguageFromUser(user, req)).to.equal('en');
+    });
+  });
+
+  describe('getLanguageFromBrowser', () => {
+    it('uses browser specificed language', () => {
+      req.headers['accept-language'] = 'pt';
+
+      expect(getLanguageFromBrowser(req)).to.equal('pt');
+    });
+
+    it('uses first language in series if browser specifies multiple', () => {
+      req.headers['accept-language'] = 'he, pt, it';
+
+      expect(getLanguageFromBrowser(req)).to.equal('he');
+    });
+
+    it('skips invalid lanaguages and uses first language in series if browser specifies multiple', () => {
+      req.headers['accept-language'] = 'blah, he, pt, it';
+
+      expect(getLanguageFromBrowser(req)).to.equal('he');
+    });
+
+    it('uses normal version of language if specialized locale is passed in', () => {
+      req.headers['accept-language'] = 'fr-CA';
+
+      expect(getLanguageFromBrowser(req)).to.equal('fr');
+    });
+
+    it('uses normal version of language if specialized locale is passed in', () => {
+      req.headers['accept-language'] = 'fr-CA';
+
+      expect(getLanguageFromBrowser(req)).to.equal('fr');
+    });
+
+    it('uses es if es is passed in', () => {
+      req.headers['accept-language'] = 'es';
+
+      expect(getLanguageFromBrowser(req)).to.equal('es');
+    });
+
+    it('uses es_419 if applicable es-languages are passed in', () => {
+      req.headers['accept-language'] = 'es-mx';
+
+      expect(getLanguageFromBrowser(req)).to.equal('es_419');
+    });
+
+    it('uses es_419 if multiple es languages are passed in', () => {
+      req.headers['accept-language'] = 'es-GT, es-MX, es-CR';
+
+      expect(getLanguageFromBrowser(req)).to.equal('es_419');
+    });
+
+    it('zh', () => {
+      req.headers['accept-language'] = 'zh-TW';
+
+      expect(getLanguageFromBrowser(req)).to.equal('zh_TW');
+    });
+
+    it('uses english if browser specified language is not compatible', () => {
+      req.headers['accept-language'] = 'blah';
+
+      expect(getLanguageFromBrowser(req)).to.equal('en');
+    });
+
+    it('uses english if browser does not specify', () => {
+      req.headers['accept-language'] = '';
+
+      expect(getLanguageFromBrowser(req)).to.equal('en');
+    });
+
+    it('uses english if browser does not supply an accept-language header', () => {
+      delete req.headers['accept-language'];
+
+      expect(getLanguageFromBrowser(req)).to.equal('en');
+    });
+  });
+});