chore!: remove deprecated methods

src/auth/computeclient.ts

@@ -55,20 +55,6 @@ export class Compute extends OAuth2Client {
     this.scopes = arrify(options.scopes);
   }
 
-  /**
-   * Indicates whether the credential requires scopes to be created by calling
-   * createdScoped before use.
-   * @deprecated
-   * @return Boolean indicating if scope is required.
-   */
-  createScopedRequired() {
-    // On compute engine, scopes are specified at the compute instance's
-    // creation time, and cannot be changed. For this reason, always return
-    // false.
-    messages.warn(messages.COMPUTE_CREATE_SCOPED_DEPRECATED);
-    return false;
-  }
-
   /**
    * Refreshes the access token.
    * @param refreshToken Unused parameter

src/auth/googleauth.ts

@@ -137,23 +137,6 @@ export class GoogleAuth {
     this.clientOptions = opts.clientOptions;
   }
 
-  /**
-   * THIS METHOD HAS BEEN DEPRECATED.
-   * It will be removed in 3.0.  Please use getProjectId instead.
-   */
-  getDefaultProjectId(): Promise<string>;
-  getDefaultProjectId(callback: ProjectIdCallback): void;
-  getDefaultProjectId(
-    callback?: ProjectIdCallback
-  ): Promise<string | null> | void {
-    messages.warn(messages.DEFAULT_PROJECT_ID_DEPRECATED);
-    if (callback) {
-      this.getProjectIdAsync().then(r => callback(null, r), callback);
-    } else {
-      return this.getProjectIdAsync();
-    }
-  }
-
   /**
    * Obtains the default project ID for the application.
    * @param callback Optional callback

src/auth/iam.ts

@@ -32,33 +32,6 @@ export class IAMAuth {
     this.token = token;
   }
 
-  /**
-   * Indicates whether the credential requires scopes to be created by calling
-   * createdScoped before use.
-   * @deprecated
-   * @return always false
-   */
-  createScopedRequired() {
-    // IAM authorization does not use scopes.
-    messages.warn(messages.IAM_CREATE_SCOPED_DEPRECATED);
-    return false;
-  }
-
-  /**
-   * Pass the selector and token to the metadataFn callback.
-   * @deprecated
-   * @param unused_uri is required of the credentials interface
-   * @param metadataFn a callback invoked with object containing request
-   * metadata.
-   */
-  getRequestMetadata(
-    unusedUri: string | null,
-    metadataFn: (err: Error | null, metadata?: RequestMetadata) => void
-  ) {
-    messages.warn(messages.IAM_GET_REQUEST_METADATA_DEPRECATED);
-    metadataFn(null, this.getRequestHeaders());
-  }
-
   /**
    * Acquire the HTTP headers required to make an authenticated request.
    */

src/auth/jwtaccess.ts

@@ -57,35 +57,6 @@ export class JWTAccess {
     this.keyId = keyId;
   }
 
-  /**
-   * Indicates whether the credential requires scopes to be created by calling
-   * createdScoped before use.
-   * @deprecated
-   * @return always false
-   */
-  createScopedRequired(): boolean {
-    // JWT Header authentication does not use scopes.
-    messages.warn(messages.JWT_ACCESS_CREATE_SCOPED_DEPRECATED);
-    return false;
-  }
-
-  /**
-   * Get a non-expired access token, after refreshing if necessary.
-   *
-   * @param authURI The URI being authorized.
-   * @param additionalClaims An object with a set of additional claims to
-   * include in the payload.
-   * @deprecated Please use `getRequestHeaders` instead.
-   * @returns An object that includes the authorization header.
-   */
-  getRequestMetadata(
-    url: string,
-    additionalClaims?: Claims
-  ): RequestMetadataResponse {
-    messages.warn(messages.JWT_ACCESS_GET_REQUEST_METADATA_DEPRECATED);
-    return {headers: this.getRequestHeaders(url, additionalClaims)};
-  }
-
   /**
    * Get a non-expired access token, after refreshing if necessary.
    *

src/auth/jwtclient.ts

@@ -174,17 +174,6 @@ export class JWT extends OAuth2Client implements IdTokenProvider {
     return gtoken.idToken;
   }
 
-  /**
-   * Indicates whether the credential requires scopes to be created by calling
-   * createScoped before use.
-   * @deprecated
-   * @return false if createScoped does not need to be called.
-   */
-  createScopedRequired() {
-    messages.warn(messages.JWT_CREATE_SCOPED_DEPRECATED);
-    return !this.hasScopes();
-  }
-
   /**
    * Determine if there are currently scopes available.
    */

src/auth/oauth2client.ts

@@ -759,33 +759,6 @@ export class OAuth2Client extends AuthClient {
     }
   }
 
-  /**
-   * Obtain the set of headers required to authenticate a request.
-   *
-   * @deprecated Use getRequestHeaders instead.
-   * @param url the Uri being authorized
-   * @param callback the func described above
-   */
-  getRequestMetadata(url?: string | null): Promise<RequestMetadataResponse>;
-  getRequestMetadata(
-    url: string | null,
-    callback: RequestMetadataCallback
-  ): void;
-  getRequestMetadata(
-    url: string | null,
-    callback?: RequestMetadataCallback
-  ): Promise<RequestMetadataResponse> | void {
-    messages.warn(messages.OAUTH_GET_REQUEST_METADATA_DEPRECATED);
-    if (callback) {
-      this.getRequestMetadataAsync(url).then(
-        r => callback(null, r.headers, r.res),
-        callback
-      );
-    } else {
-      return this.getRequestMetadataAsync();
-    }
-  }
-
   /**
    * The main authentication interface.  It takes an optional url which when
    * present is the endpoint being accessed, and returns a Promise which

src/messages.ts

@@ -40,79 +40,3 @@ export interface Warning {
   message: string;
   warned?: boolean;
 }
-
-export const DEFAULT_PROJECT_ID_DEPRECATED = {
-  code: 'google-auth-library:DEP002',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `getDefaultProjectId` method has been deprecated, and will be removed',
-    'in the 3.0 release of google-auth-library. Please use the `getProjectId`',
-    'method instead.',
-  ].join(' '),
-};
-
-export const COMPUTE_CREATE_SCOPED_DEPRECATED = {
-  code: 'google-auth-library:DEP003',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `createScopedRequired` method on the `Compute` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library.',
-  ].join(' '),
-};
-
-export const JWT_CREATE_SCOPED_DEPRECATED = {
-  code: 'google-auth-library:DEP004',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `createScopedRequired` method on the `JWT` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library.',
-  ].join(' '),
-};
-
-export const IAM_CREATE_SCOPED_DEPRECATED = {
-  code: 'google-auth-library:DEP005',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `createScopedRequired` method on the `IAM` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library.',
-  ].join(' '),
-};
-
-export const JWT_ACCESS_CREATE_SCOPED_DEPRECATED = {
-  code: 'google-auth-library:DEP006',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `createScopedRequired` method on the `JWTAccess` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library.',
-  ].join(' '),
-};
-
-export const OAUTH_GET_REQUEST_METADATA_DEPRECATED = {
-  code: 'google-auth-library:DEP004',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `getRequestMetadata` method on the `OAuth2` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library. Please use',
-    'the `getRequestHeaders` method instead.',
-  ].join(' '),
-};
-
-export const IAM_GET_REQUEST_METADATA_DEPRECATED = {
-  code: 'google-auth-library:DEP005',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `getRequestMetadata` method on the `IAM` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library. Please use',
-    'the `getRequestHeaders` method instead.',
-  ].join(' '),
-};
-
-export const JWT_ACCESS_GET_REQUEST_METADATA_DEPRECATED = {
-  code: 'google-auth-library:DEP006',
-  type: WarningTypes.DEPRECATION,
-  message: [
-    'The `getRequestMetadata` method on the `JWTAccess` class has been deprecated,',
-    'and will be removed in the 3.0 release of google-auth-library. Please use',
-    'the `getRequestHeaders` method instead.',
-  ].join(' '),
-};

test/test.compute.ts

@@ -150,19 +150,6 @@ describe('compute', () => {
     scope.done();
   });
 
-  it('should emit warning for createScopedRequired', () => {
-    let called = false;
-    sandbox.stub(process, 'emitWarning').callsFake(() => (called = true));
-    // tslint:disable-next-line deprecation
-    compute.createScopedRequired();
-    assert.strictEqual(called, true);
-  });
-
-  it('should return false for createScopedRequired', () => {
-    // tslint:disable-next-line deprecation
-    assert.strictEqual(false, compute.createScopedRequired());
-  });
-
   it('should return a helpful message on request response.statusCode 403', async () => {
     const scope = mockToken(403);
     const expected = new RegExp(

test/test.googleauth.ts

@@ -1407,36 +1407,6 @@ describe('googleauth', () => {
       assert.strictEqual(value, signedBlob);
     });
 
-    it('should warn the user if using the getDefaultProjectId method', done => {
-      mockEnvVar('GCLOUD_PROJECT', STUB_PROJECT);
-      sandbox
-        .stub(process, 'emitWarning')
-        .callsFake((message, warningOrType) => {
-          assert.strictEqual(
-            message,
-            messages.DEFAULT_PROJECT_ID_DEPRECATED.message
-          );
-          const warningType =
-            typeof warningOrType === 'string'
-              ? warningOrType
-              : // @types/node doesn't recognize the emitWarning syntax which
-                // tslint:disable-next-line no-any
-                (warningOrType as any).type;
-          assert.strictEqual(warningType, messages.WarningTypes.DEPRECATION);
-          done();
-        });
-      auth.getDefaultProjectId();
-    });
-
-    it('should only emit warnings once', async () => {
-      // The warning was used above, so invoking it here should have no effect.
-      mockEnvVar('GCLOUD_PROJECT', STUB_PROJECT);
-      let count = 0;
-      sandbox.stub(process, 'emitWarning').callsFake(() => count++);
-      await auth.getDefaultProjectId();
-      assert.strictEqual(count, 0);
-    });
-
     it('should pass options to the JWT constructor via constructor', async () => {
       const subject = 'science!';
       const auth = new GoogleAuth({

test/test.iam.ts

@@ -16,7 +16,6 @@ import * as assert from 'assert';
 import {describe, it, beforeEach, afterEach} from 'mocha';
 import * as sinon from 'sinon';
 import {IAMAuth} from '../src';
-import * as messages from '../src/messages';
 
 describe('iam', () => {
   const testSelector = 'a-test-selector';
@@ -38,20 +37,4 @@ describe('iam', () => {
     assert.strictEqual(creds!['x-goog-iam-authority-selector'], testSelector);
     assert.strictEqual(creds!['x-goog-iam-authorization-token'], testToken);
   });
-
-  it('should warn about deprecation of getRequestMetadata', done => {
-    const stub = sandbox.stub(messages, 'warn');
-    // tslint:disable-next-line deprecation
-    client.getRequestMetadata(null, () => {
-      assert.strictEqual(stub.calledOnce, true);
-      done();
-    });
-  });
-
-  it('should emit warning for createScopedRequired', () => {
-    const stub = sandbox.stub(process, 'emitWarning');
-    // tslint:disable-next-line deprecation
-    client.createScopedRequired();
-    assert(stub.called);
-  });
 });