[SupersetClient] allow csrf token to be passed as configuration (#9)

* [SupersetClient] allow csrf token to be passed as configuration

* [SupersetClient] update readme

* [build-config] ^0.0.20

* [SupersetClient] fix test.

* [build-config] ^0.0.21

* [build-config] ^0.0.22

* [build-config] ^0.0.23

superset-frontend/temporary_superset_ui/superset-ui/.gitignore

@@ -12,6 +12,7 @@
 *.map
 *.min.js
 
+babel.config.js
 build/
 coverage/
 esm/

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-core/README.md

@@ -14,9 +14,11 @@ for use within the Superset application, or used to issue `CORS` requests in oth
 a high-level it supports:
 
 - `CSRF` token authentication
-  - queues requests in the case that another request is made before the token is received
-  - it checks for a token before every request, an external app that uses this can detect this by
-    catching errors, or explicitly checking `SupersetClient.isAuthorized()`
+  - a token may be passed at configuration time, else the client will handle fetching and passing
+    the token in all subsequent requests.
+  - queues requests in the case that another request is made before the token is received.
+  - it checks for a token before every request, and will fail if no token was received or if it has
+    expired. In either case the user should be directed to re-authenticate.
 - supports `GET` and `POST` requests (no `PUT` or `DELETE`)
 - timeouts
 - query aborts through the `AbortController` API
@@ -46,12 +48,14 @@ SupersetClient.post(...requestConfig)
 The following flags can be passed in the client config call
 `SupersetClient.configure(...clientConfig);`
 
-- `protocol = 'http'`
+- `protocol = 'http:'`
 - `host`
 - `headers`
 - `credentials = 'same-origin'` (set to `include` for non-Superset apps)
 - `mode = 'same-origin'` (set to `cors` for non-Superset apps)
 - `timeout`
+- `csrfToken` you can configure the client with a CSRF token at configuration time, else the client
+  will attempt to fetch this before any other requests are issued
 
 ##### Per-request Configuration
 

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-core/package.json

@@ -20,7 +20,6 @@
     "lint:fix": "yarn run prettier --write && yarn run eslint --fix",
     "test": "yarn run jest",
     "prettier": "beemo prettier \"./{src,test}/**/*.{js,jsx,json,md}\"",
-    "sync:gitignore": "beemo sync-dotfiles --filter=gitignore",
     "prepublish": "yarn run build"
   },
   "repository": {
@@ -40,12 +39,12 @@
   },
   "homepage": "https://github.com/apache-superset/superset-ui#readme",
   "devDependencies": {
-    "@data-ui/build-config": "^0.0.14",
+    "@data-ui/build-config": "^0.0.23",
     "fetch-mock": "^6.5.2",
     "node-fetch": "^2.2.0"
   },
   "dependencies": {
-    "babel-runtime": "^6.26.0",
+    "@babel/runtime": "^7.1.2",
     "whatwg-fetch": "^2.0.4"
   },
   "beemo": {
@@ -65,7 +64,6 @@
       "rules": {
         "prefer-promise-reject-errors": "off"
       }
-    },
-    "jest": {}
+    }
   }
 }

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-core/src/SupersetClient.js

@@ -9,6 +9,7 @@ class SupersetClient {
       mode = 'same-origin',
       timeout,
       credentials,
+      csrfToken = null,
     } = config;
 
     this.headers = headers;
@@ -17,16 +18,20 @@ class SupersetClient {
     this.timeout = timeout;
     this.protocol = `${protocol}${protocol.slice(-1) === ':' ? '' : ':'}`;
     this.credentials = credentials;
-    this.csrfToken = null;
-    this.didAuthSuccessfully = false;
-    this.csrfPromise = null;
+    this.csrfToken = csrfToken;
+    this.csrfPromise = this.isAuthenticated() ? Promise.resolve(this.csrfToken) : null;
   }
 
   isAuthenticated() {
-    return this.didAuthSuccessfully;
+    // if CSRF protection is disabled in the Superset app, the token may be an empty string
+    return this.csrfToken !== null && this.csrfToken !== undefined;
   }
 
-  init() {
+  init(force = false) {
+    if (this.isAuthenticated() && !force) {
+      return this.csrfPromise;
+    }
+
     return this.getCSRFToken();
   }
 
@@ -48,14 +53,13 @@ class SupersetClient {
       if (response.json) {
         this.csrfToken = response.json.csrf_token;
         this.headers = { ...this.headers, 'X-CSRFToken': this.csrfToken };
-        this.didAuthSuccessfully = this.csrfToken !== null && this.csrfPromise !== undefined;
       }
 
-      if (!this.didAuthSuccessfully) {
+      if (!this.isAuthenticated()) {
         return Promise.reject({ error: 'Failed to fetch CSRF token' });
       }
 
-      return response;
+      return this.csrfToken;
     });
 
     return this.csrfPromise;
@@ -140,10 +144,10 @@ const PublicAPI = {
     return singletonClient;
   },
   get: (...args) => hasInstance() && singletonClient.get(...args),
-  init: () => hasInstance() && singletonClient.init(),
+  init: force => hasInstance() && singletonClient.init(force),
   isAuthenticated: () => hasInstance() && singletonClient.isAuthenticated(),
   post: (...args) => hasInstance() && singletonClient.post(...args),
-  reAuthenticate: () => hasInstance() && singletonClient.getCSRFToken(),
+  reAuthenticate: () => hasInstance() && singletonClient.init(/* force = */ true),
   reset: () => {
     singletonClient = null;
   },

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-core/test/SupersetClient.test.js

@@ -51,18 +51,20 @@ describe('SupersetClient', () => {
       const csrfSpy = jest.spyOn(SupersetClient.prototype, 'getCSRFToken');
 
       PublicAPI.configure({});
+      expect(authenticatedSpy).toHaveBeenCalledTimes(1);
+
       PublicAPI.init();
+      expect(initSpy).toHaveBeenCalledTimes(1);
       expect(csrfSpy).toHaveBeenCalledTimes(1);
 
       PublicAPI.get({ url: mockGetUrl });
       PublicAPI.post({ url: mockPostUrl });
       PublicAPI.isAuthenticated();
       PublicAPI.reAuthenticate({});
 
-      expect(initSpy).toHaveBeenCalledTimes(1);
+      expect(initSpy).toHaveBeenCalledTimes(2);
       expect(getSpy).toHaveBeenCalledTimes(1);
       expect(postSpy).toHaveBeenCalledTimes(1);
-      expect(authenticatedSpy).toHaveBeenCalledTimes(1);
       expect(csrfSpy).toHaveBeenCalledTimes(2); // from init() + reAuthenticate()
 
       initSpy.mockRestore();
@@ -79,7 +81,7 @@ describe('SupersetClient', () => {
     describe('CSRF', () => {
       afterEach(fetchMock.reset);
 
-      it('calls superset/csrf_token/ upon initialization', () => {
+      it('calls superset/csrf_token/ when init() is called if no CSRF token is passed', () => {
         expect.assertions(1);
         const client = new SupersetClient({});
 
@@ -90,6 +92,35 @@ describe('SupersetClient', () => {
         });
       });
 
+      it('does NOT call superset/csrf_token/ when init() is called if a CSRF token is passed', () => {
+        expect.assertions(1);
+        const client = new SupersetClient({ csrfToken: 'abc' });
+
+        return client.init().then(() => {
+          expect(fetchMock.calls(LOGIN_GLOB)).toHaveLength(0);
+
+          return Promise.resolve();
+        });
+      });
+
+      it('calls superset/csrf_token/ when init(force=true) is called even if a CSRF token is passed', () => {
+        expect.assertions(4);
+        const initialToken = 'inital_token';
+        const client = new SupersetClient({ csrfToken: initialToken });
+
+        return client.init().then(() => {
+          expect(fetchMock.calls(LOGIN_GLOB)).toHaveLength(0);
+          expect(client.csrfToken).toBe(initialToken);
+
+          return client.init(true).then(() => {
+            expect(fetchMock.calls(LOGIN_GLOB)).toHaveLength(1);
+            expect(client.csrfToken).not.toBe(initialToken);
+
+            return Promise.resolve();
+          });
+        });
+      });
+
       it('isAuthenticated() returns true if there is a token and false if not', () => {
         expect.assertions(2);
         const client = new SupersetClient({});
@@ -102,6 +133,15 @@ describe('SupersetClient', () => {
         });
       });
 
+      it('isAuthenticated() returns true if a token is passed at configuration', () => {
+        expect.assertions(2);
+        const clientWithoutToken = new SupersetClient({ csrfToken: null });
+        const clientWithToken = new SupersetClient({ csrfToken: 'token' });
+
+        expect(clientWithoutToken.isAuthenticated()).toBe(false);
+        expect(clientWithToken.isAuthenticated()).toBe(true);
+      });
+
       it('init() throws if superset/csrf_token/ returns an error', () => {
         expect.assertions(1);
 
@@ -120,7 +160,7 @@ describe('SupersetClient', () => {
             // reset
             fetchMock.get(
               LOGIN_GLOB,
-              { csrf_token: 1234 },
+              { csrf_token: '1234' },
               {
                 overwriteRoutes: true,
               },
@@ -167,7 +207,7 @@ describe('SupersetClient', () => {
           .then(throwIfCalled)
           .catch(error => {
             expect(error).toEqual(expect.objectContaining({ error: expect.any(String) }));
-            expect(client.didAuthSuccessfully).toBe(false);
+            expect(client.isAuthenticated()).toBe(false);
 
             return Promise.resolve();
           });
@@ -183,7 +223,7 @@ describe('SupersetClient', () => {
             .ensureAuth()
             .then(throwIfCalled)
             .catch(() => {
-              expect(client.didAuthSuccessfully).toBe(true);
+              expect(client.isAuthenticated()).toBe(true);
 
               return Promise.resolve();
             }),
@@ -211,7 +251,7 @@ describe('SupersetClient', () => {
               .then(throwIfCalled)
               .catch(error2 => {
                 expect(error2).toEqual(expect.objectContaining(rejectValue));
-                expect(client.didAuthSuccessfully).toBe(false);
+                expect(client.isAuthenticated()).toBe(false);
 
                 // reset
                 fetchMock.get(