[UI] API Service Error Parsing (#30454)

* adds error parsing method to api service

* replaces apiErrorMessage util instances with api service parseError

* removes apiErrorMessage util and tests

* removes ApiError type

* fixes issue in isLocalStorageSupported error handling

ui/app/components/auth-form.js

@@ -13,7 +13,6 @@ import { allSupportedAuthBackends, supportedAuthBackends } from 'vault/helpers/s
 import { task } from 'ember-concurrency';
 import { waitFor } from '@ember/test-waiters';
 import { v4 as uuidv4 } from 'uuid';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 /**
  * @module AuthForm
@@ -190,8 +189,8 @@ export default Component.extend(DEFAULTS, {
         this.set('token', response.auth.clientToken);
         this.send('doSubmit');
       } catch (e) {
-        const error = yield apiErrorMessage(e);
+        const { message } = yield this.api.parseError(e);
-        this.set('error', `Token unwrap failed: ${error}`);
+        this.set('error', `Token unwrap failed: ${message}`);
       }
     })
   ),

ui/app/components/control-group-success.js

@@ -6,7 +6,6 @@
 import { service } from '@ember/service';
 import Component from '@ember/component';
 import { task } from 'ember-concurrency';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 export default Component.extend({
   router: service(),
@@ -28,8 +27,8 @@ export default Component.extend({
       this.set('unwrapData', response.auth || response.data);
       this.controlGroup.deleteControlGroupToken(this.model.id);
     } catch (e) {
-      const error = yield apiErrorMessage(e);
+      const { message } = yield this.api.parseError(e);
-      this.error = `Token unwrap failed: ${error}`;
+      this.error = `Token unwrap failed: ${message}`;
     }
   }).drop(),
 

ui/app/components/tools/hash.ts

@@ -7,7 +7,6 @@ import Component from '@glimmer/component';
 import { action } from '@ember/object';
 import { service } from '@ember/service';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 import type ApiService from 'vault/services/api';
 import type FlashMessageService from 'vault/services/flash-messages';
@@ -60,7 +59,8 @@ export default class ToolsHash extends Component {
       this.sum = sum || '';
       this.flashMessages.success('Hash was successful.');
     } catch (error) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(error);
+      this.errorMessage = message;
     }
   }
 }

ui/app/components/tools/lookup.ts

@@ -7,7 +7,6 @@ import Component from '@glimmer/component';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 import { addSeconds } from 'date-fns';
 
 import type ApiService from 'vault/services/api';
@@ -56,8 +55,9 @@ export default class ToolsLookup extends Component {
       const data = await this.api.sys.readWrappingProperties(payload);
       this.lookupData = data;
       this.flashMessages.success('Lookup was successful.');
-    } catch (error) {
+    } catch (e) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(e);
+      this.errorMessage = message;
     }
   }
 }

ui/app/components/tools/random.ts

@@ -7,7 +7,6 @@ import Component from '@glimmer/component';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 import type ApiService from 'vault/services/api';
 import type FlashMessageService from 'vault/services/flash-messages';
@@ -52,7 +51,8 @@ export default class ToolsRandom extends Component {
       this.randomBytes = randomBytes || '';
       this.flashMessages.success('Generated random bytes successfully.');
     } catch (error) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(error);
+      this.errorMessage = message;
     }
   }
 }

ui/app/components/tools/rewrap.ts

@@ -7,7 +7,6 @@ import Component from '@glimmer/component';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 import type ApiService from 'vault/services/api';
 import type FlashMessageService from 'vault/services/flash-messages';
@@ -46,7 +45,8 @@ export default class ToolsRewrap extends Component {
       this.rewrappedToken = wrapInfo?.token || '';
       this.flashMessages.success('Rewrap was successful.');
     } catch (error) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(error);
+      this.errorMessage = message;
     }
   }
 }

ui/app/components/tools/unwrap.ts

@@ -7,7 +7,6 @@ import Component from '@glimmer/component';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 import type ApiService from 'vault/services/api';
 import type FlashMessageService from 'vault/services/flash-messages';
@@ -54,7 +53,8 @@ export default class ToolsUnwrap extends Component {
       };
       this.flashMessages.success('Unwrap was successful.');
     } catch (error) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(error);
+      this.errorMessage = message;
     }
   }
 }

ui/app/components/tools/wrap.ts

@@ -8,7 +8,6 @@ import { service } from '@ember/service';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
 import { stringify } from 'core/helpers/stringify';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 import type ApiService from 'vault/services/api';
 import type FlashMessageService from 'vault/services/flash-messages';
@@ -87,7 +86,8 @@ export default class ToolsWrap extends Component {
       this.token = wrapInfo?.token || '';
       this.flashMessages.success('Wrap was successful.');
     } catch (error) {
-      this.errorMessage = await apiErrorMessage(error);
+      const { message } = await this.api.parseError(error);
+      this.errorMessage = message;
     }
   }
 }

ui/app/forms/README.md

@@ -81,7 +81,8 @@ async save() {
       this.router.transitionTo('another.route');
     }
   } catch(error) {
-    this.error = await apiErrorMessage(error);
+    const { message } = await this.api.parseError(error);
+    this.errorMessage = message;
   }
 }
 ```

ui/app/lib/local-storage.ts

@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: BUSL-1.1
  */
 
-import type { ApiError } from 'vault/api';
-
 export default {
   isLocalStorageSupported() {
     try {
@@ -13,10 +11,13 @@ export default {
       window.localStorage.removeItem(key);
       return true;
     } catch (e) {
-      const error = e as ApiError;
       // modify the e object so we can customize the error message.
       // e.message is readOnly.
-      error.errors = [`This is likely due to your browser's cookie settings.`];
+      Object.defineProperty(e, 'errors', {
+        value: [`This is likely due to your browser's cookie settings.`],
+        writable: false,
+      });
+
       throw e;
     }
   },

ui/app/services/api.ts

@@ -15,15 +15,16 @@ import {
   HTTPQuery,
   HTTPRequestInit,
   RequestOpts,
+  ResponseError,
 } from '@hashicorp/vault-client-typescript';
-import config from '../config/environment';
+import config from 'vault/config/environment';
 import { waitForPromise } from '@ember/test-waiters';
 
 import type AuthService from 'vault/services/auth';
 import type NamespaceService from 'vault/services/namespace';
 import type ControlGroupService from 'vault/services/control-group';
 import type FlashMessageService from 'vault/services/flash-messages';
-import type { ApiError, HeaderMap, XVaultHeaders } from 'vault/api';
+import type { HeaderMap, XVaultHeaders } from 'vault/api';
 
 export default class ApiService extends Service {
   @service('auth') declare readonly authService: AuthService;
@@ -103,27 +104,6 @@ export default class ApiService extends Service {
       this.controlGroup.deleteControlGroupToken(controlGroupToken.accessor);
     }
   };
-
-  formatErrorResponse = async (context: ResponseContext) => {
-    const response = context.response.clone();
-    const { headers, status, statusText } = response;
-
-    // backwards compatibility with Ember Data
-    if (status >= 400) {
-      const error: ApiError = (await response?.json()) || {};
-      error.httpStatus = response?.status;
-      error.path = context.url;
-      // typically the Vault API error response looks like { errors: ['some error message'] }
-      // but sometimes (eg RespondWithStatusCode) it's { data: { error: 'some error message' } }
-      if (error?.data?.error && !error.errors) {
-        // normalize the errors from RespondWithStatusCode
-        error.errors = [error.data.error];
-      }
-      return new Response(JSON.stringify(error), { headers, status, statusText });
-    }
-
-    return;
-  };
   // --- End Middleware ---
 
   configuration = new Configuration({
@@ -134,7 +114,6 @@ export default class ApiService extends Service {
       { pre: this.setHeaders },
       { post: this.showWarnings },
       { post: this.deleteControlGroupToken },
-      { post: this.formatErrorResponse },
     ],
     fetchApi: (...args: [Request]) => {
       return waitForPromise(window.fetch(...args));
@@ -172,4 +151,34 @@ export default class ApiService extends Service {
     const { context } = requestContext;
     context.query = { ...context.query, ...params };
   }
+
+  // accepts an error response and returns { status, message, response, path }
+  // message is built as error.errors joined with a comma, error.message or a fallback message
+  // path is the url of the request, minus the origin -> /v1/sys/wrapping/unwrap
+  async parseError(e: unknown, fallbackMessage = 'An error occurred, please try again') {
+    if (e instanceof ResponseError) {
+      const { status, url } = e.response;
+      const error = await e.response.json();
+      // typically the Vault API error response looks like { errors: ['some error message'] }
+      // but sometimes (eg RespondWithStatusCode) it's { data: { error: 'some error message' } }
+      const errors = error.data?.error && !error.errors ? [error.data.error] : error.errors;
+      const message = errors && typeof errors[0] === 'string' ? errors.join(', ') : error.message;
+
+      return {
+        message: message || fallbackMessage,
+        status,
+        path: url.replace(document.location.origin, ''),
+        response: error,
+      };
+    }
+
+    // log out generic error for ease of debugging in dev env
+    if (config.environment === 'development') {
+      console.log('API Error:', e); // eslint-disable-line no-console
+    }
+
+    return {
+      message: (e as Error)?.message || fallbackMessage,
+    };
+  }
 }

ui/app/utils/api-error-message.ts

@@ -1,34 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: BUSL-1.1
- */
-
-/**
- * this util was derived from error-message and updated to handle the error context returned from the api service
- * once Ember Data is fully removed, the error-message util will also be removed
- * for all requests made with the api service, use this util to display error messages from server
- */
-
-import { ErrorContext, ApiError } from 'vault/api';
-import ENV from 'vault/config/environment';
-
-// accepts an error and returns error.errors joined with a comma, error.message or a fallback message
-export default async function (error: unknown, fallbackMessage = 'An error occurred, please try again') {
-  const messageOrFallback = (message?: string) => message || fallbackMessage;
-
-  // log out the error for ease of debugging in dev env
-  if (ENV.environment === 'development') {
-    console.error('API Error:', error); // eslint-disable-line no-console
-  }
-
-  if ((error as ErrorContext).response instanceof Response) {
-    const apiError: ApiError = await (error as ErrorContext).response?.json();
-
-    if (apiError.errors && typeof apiError.errors[0] === 'string') {
-      return apiError.errors.join(', ');
-    }
-    return messageOrFallback(apiError.message);
-  }
-
-  return messageOrFallback((error as Error)?.message);
-}

ui/lib/config-ui/addon/components/messages/page/create-and-edit.js

@@ -6,7 +6,6 @@
 import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { task, timeout } from 'ember-concurrency';
-import apiErrorMessage from 'vault/utils/api-error-message';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
 import Ember from 'ember';
@@ -90,7 +89,8 @@ export default class MessagesList extends Component {
         this.router.transitionTo('vault.cluster.config-ui.messages.message.details', id);
       }
     } catch (error) {
-      this.errorBanner = yield apiErrorMessage(error);
+      const { message } = yield this.api.parseError(error);
+      this.errorBanner = message;
       this.invalidFormAlert = 'There was an error submitting this form.';
     }
   }

ui/lib/config-ui/addon/components/messages/page/details.js

@@ -6,7 +6,6 @@
 import Component from '@glimmer/component';
 import { service } from '@ember/service';
 import { action } from '@ember/object';
-import apiErrorMessage from 'vault/utils/api-error-message';
 
 /**
  * @module Page::MessageDetails
@@ -37,8 +36,8 @@ export default class MessageDetails extends Component {
       this.customMessages.fetchMessages();
       this.flashMessages.success(`Successfully deleted ${message.title}.`);
     } catch (e) {
-      const errorMessage = await apiErrorMessage(e);
+      const { message } = await this.api.parseError(e);
-      this.flashMessages.danger(errorMessage);
+      this.flashMessages.danger(message);
     }
   }
 }

ui/lib/config-ui/addon/components/messages/page/list.js

@@ -10,7 +10,6 @@ import { task, timeout } from 'ember-concurrency';
 import { dateFormat } from 'core/helpers/date-format';
 import { action } from '@ember/object';
 import { tracked } from '@glimmer/tracking';
-import apiErrorMessage from 'vault/utils/api-error-message';
 import { isAfter } from 'date-fns';
 import timestamp from 'core/utils/timestamp';
 
@@ -102,8 +101,8 @@ export default class MessagesList extends Component {
       this.customMessages.fetchMessages();
       this.flashMessages.success(`Successfully deleted ${message.title}.`);
     } catch (e) {
-      const errorMessage = yield apiErrorMessage(e);
+      const { message } = yield this.api.parseError(e);
-      this.flashMessages.danger(errorMessage);
+      this.flashMessages.danger(message);
     } finally {
       this.messageToDelete = null;
     }

ui/tests/unit/services/api-test.js

@@ -6,6 +6,8 @@
 import { module, test } from 'qunit';
 import { setupTest } from 'ember-qunit';
 import sinon from 'sinon';
+import config from 'vault/config/environment';
+import { ResponseError } from '@hashicorp/vault-client-typescript';
 
 module('Unit | Service | api', function (hooks) {
   setupTest(hooks);
@@ -136,22 +138,6 @@ module('Unit | Service | api', function (hooks) {
     );
   });
 
-  test('it should format error response', async function (assert) {
-    const e = { data: { error: 'Something went wrong' } };
-    const response = new Response(JSON.stringify(e), { status: 400 });
-
-    const errorResponse = await this.apiService.formatErrorResponse({ response, url: this.url });
-    const error = await errorResponse.json();
-    const expectedError = {
-      ...e,
-      httpStatus: 400,
-      path: this.url,
-      errors: ['Something went wrong'],
-    };
-
-    assert.deepEqual(error, expectedError, 'Error is reformated and returned');
-  });
-
   test('it should build headers', async function (assert) {
     const headerMap = {
       token: 'foobar',
@@ -183,4 +169,63 @@ module('Unit | Service | api', function (hooks) {
       'All supported headers are set'
     );
   });
+
+  module('Error parsing', function (hooks) {
+    hooks.beforeEach(function () {
+      this.response = {
+        errors: ['first error', 'second error'],
+        message: 'there were some errors',
+      };
+      this.getErrorResponse = () =>
+        new ResponseError({
+          status: 404,
+          url: `${document.location.origin}/v1/test/error/parsing`,
+          json: () => Promise.resolve(this.response),
+        });
+    });
+
+    test('it should correctly parse message from error', async function (assert) {
+      let e = await this.apiService.parseError(this.getErrorResponse());
+      assert.strictEqual(e.message, 'first error, second error', 'Builds message from errors');
+
+      this.response.errors = [];
+      e = await this.apiService.parseError(this.getErrorResponse());
+      assert.strictEqual(e.message, 'there were some errors', 'Returns message when errors are empty');
+
+      const error = new Error('some js type error');
+      e = await this.apiService.parseError(error);
+      assert.strictEqual(e.message, error.message, 'Returns message from generic Error');
+
+      e = await this.apiService.parseError('some random error');
+      assert.strictEqual(e.message, 'An error occurred, please try again', 'Returns default fallback');
+
+      const fallback = 'Everything is broken, sorry';
+      e = await this.apiService.parseError('some random error', fallback);
+      assert.strictEqual(e.message, fallback, 'Returns custom fallback');
+    });
+
+    test('it should return status', async function (assert) {
+      const { status } = await this.apiService.parseError(this.getErrorResponse());
+      assert.strictEqual(status, 404, 'Returns the status code from the response');
+    });
+
+    test('it should return path', async function (assert) {
+      const { path } = await this.apiService.parseError(this.getErrorResponse());
+      assert.strictEqual(path, '/v1/test/error/parsing', 'Returns the path from the request url');
+    });
+
+    test('it should return error response', async function (assert) {
+      const { response } = await this.apiService.parseError(this.getErrorResponse());
+      assert.deepEqual(response, this.response, 'Returns the original error response');
+    });
+
+    test('it should log out error in development environment', async function (assert) {
+      const consoleStub = sinon.stub(console, 'log');
+      sinon.stub(config, 'environment').value('development');
+      const error = new Error('some js type error');
+      await this.apiService.parseError(error);
+      assert.true(consoleStub.calledWith('API Error:', error));
+      sinon.restore();
+    });
+  });
 });

ui/tests/unit/utils/api-error-message-test.js

@@ -1,62 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: BUSL-1.1
- */
-
-import { module, test } from 'qunit';
-import apiErrorMessage from 'vault/utils/api-error-message';
-import ENV from 'vault/config/environment';
-import sinon from 'sinon';
-
-module('Unit | Util | api-error-message', function (hooks) {
-  hooks.beforeEach(function () {
-    this.apiError = {
-      errors: ['first error', 'second error'],
-      message: 'there were some errors',
-    };
-    this.getErrorContext = () => ({ response: new Response(JSON.stringify(this.apiError)) });
-  });
-
-  test('it should return errors from ErrorContext', async function (assert) {
-    const message = await apiErrorMessage(this.getErrorContext());
-    assert.strictEqual(message, 'first error, second error');
-  });
-
-  test('it should return message from ErrorContext when errors are empty', async function (assert) {
-    this.apiError.errors = [];
-    const message = await apiErrorMessage(this.getErrorContext());
-    assert.strictEqual(message, 'there were some errors');
-  });
-
-  test('it should return fallback message for ErrorContext without errors or message', async function (assert) {
-    this.apiError = {};
-    const message = await apiErrorMessage(this.getErrorContext());
-    assert.strictEqual(message, 'An error occurred, please try again');
-  });
-
-  test('it should return message from Error', async function (assert) {
-    const error = new Error('some js type error');
-    const message = await apiErrorMessage(error);
-    assert.strictEqual(message, error.message);
-  });
-
-  test('it should return default fallback', async function (assert) {
-    const message = await apiErrorMessage('some random error');
-    assert.strictEqual(message, 'An error occurred, please try again');
-  });
-
-  test('it should return custom fallback message', async function (assert) {
-    const fallback = 'Everything is broken, sorry';
-    const message = await apiErrorMessage('some random error', fallback);
-    assert.strictEqual(message, fallback);
-  });
-
-  test('it should log out error in development environment', async function (assert) {
-    const consoleStub = sinon.stub(console, 'error');
-    sinon.stub(ENV, 'environment').value('development');
-    const error = new Error('some js type error');
-    await apiErrorMessage(error);
-    assert.true(consoleStub.calledWith('API Error:', error));
-    sinon.restore();
-  });
-});

ui/types/vault/api.d.ts

@@ -3,21 +3,6 @@
  * SPDX-License-Identifier: BUSL-1.1
  */
 
-import { ErrorContext } from '@hashicorp/vault-client-typescript';
-
-// re-exporting for convenience since it is associated to ApiError
-export { ErrorContext };
-export interface ApiError {
-  httpStatus: number;
-  path: string;
-  message: string;
-  errors: Array<string | { [key: string]: unknown; title?: string; message?: string }>;
-  data?: {
-    [key: string]: unknown;
-    error?: string;
-  };
-}
-
 export interface WrapInfo {
   accessor: string;
   creation_path: string;