UI/fix safari oidc login (#11884)

* use window.postMessage instead of localStorage on oidc callback

changelog/11884.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+ui: fix oidc login with Safari
+```

ui/app/components/auth-jwt.js

@@ -83,15 +83,19 @@ export default Component.extend({
   },
 
   prepareForOIDC: task(function*(oidcWindow) {
+    const thisWindow = this.getWindow();
     // show the loading animation in the parent
     this.onLoading(true);
     // start watching the popup window and the current one
     this.watchPopup.perform(oidcWindow);
     this.watchCurrent.perform(oidcWindow);
-    // and then wait for storage event to be fired from the popup
-    // window setting a value in localStorage when the callback route is loaded
-    let storageEvent = yield waitForEvent(this.getWindow(), 'storage');
-    this.exchangeOIDC.perform(storageEvent, oidcWindow);
+    // wait for message posted from popup
+    const event = yield waitForEvent(thisWindow, 'message');
+    if (event.origin === thisWindow.origin && event.isTrusted) {
+      this.exchangeOIDC.perform(event.data, oidcWindow);
+    } else {
+      this.handleOIDCError();
+    }
   }),
 
   watchPopup: task(function*(oidcWindow) {
@@ -104,6 +108,7 @@ export default Component.extend({
   }),
 
   watchCurrent: task(function*(oidcWindow) {
+    // when user is about to change pages, close the popup window
     yield waitForEvent(this.getWindow(), 'beforeunload');
     oidcWindow.close();
   }),
@@ -114,20 +119,13 @@ export default Component.extend({
     oidcWindow.close();
   },
 
-  exchangeOIDC: task(function*(event, oidcWindow) {
-    // in non-incognito mode we need to use a timeout because it takes time before oidcState is written to local storage.
-    let oidcState = Ember.testing
-      ? event.storageArea.getItem('oidcState')
-      : yield timeout(1000).then(() => event.storageArea.getItem('oidcState'));
-
+  exchangeOIDC: task(function*(oidcState, oidcWindow) {
     if (oidcState === null || oidcState === undefined) {
       return;
     }
     this.onLoading(true);
-    // get the info from the event fired by the other window and
-    // then remove it from localStorage
-    let { namespace, path, state, code } = JSON.parse(oidcState);
-    this.getWindow().localStorage.removeItem('oidcState');
+
+    let { namespace, path, state, code } = oidcState;
 
     // The namespace can be either be passed as a query paramter, or be embedded
     // in the state param in the format `<state_id>,ns=<namespace>`. So if

ui/app/routes/vault/cluster/oidc-callback.js

@@ -10,7 +10,7 @@ export default Route.extend({
     let { namespaceQueryParam: namespace } = this.paramsFor('vault.cluster');
     path = window.decodeURIComponent(path);
     let queryParams = { namespace, path, code, state };
-    window.localStorage.setItem('oidcState', JSON.stringify(queryParams));
+    window.opener.postMessage(queryParams, window.origin);
   },
   renderTemplate() {
     this.render(this.templateName, {

ui/app/templates/components/auth-form.hbs

@@ -55,7 +55,7 @@
       @roleName={{this.roleName}}
       @selectedAuthType={{this.selectedAuthBackend.type}}
       @selectedAuthPath={{or this.customPath this.selectedAuthBackend.id}}
-      @disabled={{authenticate.isRunning}}
+      @disabled={{or authenticate.isRunning this.isLoading}}
     >
       <AuthFormOptions
         @customPath={{this.customPath}}

ui/tests/integration/components/auth-jwt-test.js

@@ -15,6 +15,12 @@ import { ERROR_WINDOW_CLOSED, ERROR_MISSING_PARAMS, ERROR_JWT_LOGIN } from 'vaul
 
 const component = create(form);
 const windows = [];
+const buildMessage = opts => ({
+  isTrusted: true,
+  origin: 'https://my-vault.com',
+  data: {},
+  ...opts,
+});
 const fakeWindow = EmberObject.extend(Evented, {
   init() {
     this._super(...arguments);
@@ -29,12 +35,7 @@ const fakeWindow = EmberObject.extend(Evented, {
       width: 500,
     };
   }),
-  localStorage: computed(function() {
-    return {
-      getItem: sinon.stub(),
-      removeItem: sinon.stub(),
-    };
-  }),
+  origin: 'https://my-vault.com',
   closed: false,
 });
 
@@ -70,7 +71,6 @@ const renderIt = async (context, path = 'jwt') => {
   context.set('handler', sinon.spy(handler));
   context.set('roleName', '');
   context.set('selectedAuthPath', path);
-
   await render(hbs`
     <AuthJwt
       @window={{window}}
@@ -135,7 +135,7 @@ module('Integration | Component | auth jwt', function(hooks) {
     assert.equal(component.yieldContent, 'Hello!', 'yields properly');
   });
 
-  test('jwt: it renders', async function(assert) {
+  test('jwt: it renders and makes auth_url requests', async function(assert) {
     await renderIt(this);
     await settled();
     assert.ok(component.jwtPresent, 'renders jwt field');
@@ -203,7 +203,7 @@ module('Integration | Component | auth jwt', function(hooks) {
     assert.equal(this.error, ERROR_WINDOW_CLOSED, 'calls onError with error string');
   });
 
-  test('oidc: storage event fires without state key', async function(assert) {
+  test('oidc: shows error when message posted with state key, wrong params', async function(assert) {
     await renderIt(this);
     this.set('selectedAuthPath', 'foo');
     await component.role('test');
@@ -211,26 +211,8 @@ module('Integration | Component | auth jwt', function(hooks) {
     await waitUntil(() => {
       return this.openSpy.calledOnce;
     });
-    this.window.localStorage.getItem.returns(null);
-    this.window.trigger('storage', { storageArea: this.window.localStorage });
+    this.window.trigger('message', buildMessage({ data: { state: 'state', foo: 'bar' } }));
     run.cancelTimers();
-    assert.ok(this.window.localStorage.getItem.calledOnce, 'calls getItem');
-    assert.notOk(this.window.localStorage.removeItem.called, 'never calls removeItem');
-  });
-
-  test('oidc: storage event fires with state key, wrong params', async function(assert) {
-    await renderIt(this);
-    this.set('selectedAuthPath', 'foo');
-    await component.role('test');
-    component.login();
-    await waitUntil(() => {
-      return this.openSpy.calledOnce;
-    });
-    this.window.localStorage.getItem.returns(JSON.stringify({}));
-    this.window.trigger('storage', { storageArea: this.window.localStorage });
-    run.cancelTimers();
-    assert.ok(this.window.localStorage.getItem.calledOnce, 'calls getItem');
-    assert.ok(this.window.localStorage.removeItem.calledOnce, 'calls removeItem');
     assert.equal(this.error, ERROR_MISSING_PARAMS, 'calls onError with params missing error');
   });
 
@@ -242,17 +224,67 @@ module('Integration | Component | auth jwt', function(hooks) {
     await waitUntil(() => {
       return this.openSpy.calledOnce;
     });
-    this.window.localStorage.getItem.returns(
-      JSON.stringify({
-        path: 'foo',
-        state: 'state',
-        code: 'code',
+    this.window.trigger(
+      'message',
+      buildMessage({
+        data: {
+          path: 'foo',
+          state: 'state',
+          code: 'code',
+        },
       })
     );
-    this.window.trigger('storage', { storageArea: this.window.localStorage });
     await settled();
     assert.equal(this.selectedAuth, 'token', 'calls onSelectedAuth with token');
     assert.equal(this.token, 'token', 'calls onToken with token');
     assert.ok(this.handler.calledOnce, 'calls the onSubmit handler');
   });
+
+  test('oidc: fails silently when event origin does not match window origin', async function(assert) {
+    await renderIt(this);
+    this.set('selectedAuthPath', 'foo');
+    await component.role('test');
+    component.login();
+    await waitUntil(() => {
+      return this.openSpy.calledOnce;
+    });
+    this.window.trigger(
+      'message',
+      buildMessage({
+        origin: 'http://hackerz.com',
+        data: {
+          path: 'foo',
+          state: 'state',
+          code: 'code',
+        },
+      })
+    );
+    run.cancelTimers();
+    await settled();
+    assert.notOk(this.handler.called, 'should not call the submit handler');
+  });
+
+  test('oidc: fails silently when event is not trusted', async function(assert) {
+    await renderIt(this);
+    this.set('selectedAuthPath', 'foo');
+    await component.role('test');
+    component.login();
+    await waitUntil(() => {
+      return this.openSpy.calledOnce;
+    });
+    this.window.trigger(
+      'message',
+      buildMessage({
+        isTrusted: false,
+        data: {
+          path: 'foo',
+          state: 'state',
+          code: 'code',
+        },
+      })
+    );
+    run.cancelTimers();
+    await settled();
+    assert.notOk(this.handler.called, 'should not call the submit handler');
+  });
 });