Create sdk generator engine (#14374)

* Add SDK generator engine

libs/tools/generator/core/src/engine/index.ts

@@ -5,4 +5,5 @@ export * from "./settings";
 export { EmailRandomizer } from "./email-randomizer";
 export { EmailCalculator } from "./email-calculator";
 export { PasswordRandomizer } from "./password-randomizer";
+export { SdkPasswordRandomizer } from "./sdk-password-randomizer";
 export { UsernameRandomizer } from "./username-randomizer";

libs/tools/generator/core/src/engine/sdk-password-randomizer.ts

@@ -0,0 +1,103 @@
+import {
+  BitwardenClient,
+  PassphraseGeneratorRequest,
+  PasswordGeneratorRequest,
+} from "@bitwarden/sdk-internal";
+
+import { Type } from "../metadata";
+import {
+  CredentialGenerator,
+  GenerateRequest,
+  GeneratedCredential,
+  PassphraseGenerationOptions,
+  PasswordGenerationOptions,
+} from "../types";
+
+/** Generation algorithms that produce randomized secrets by calling on functionality from the SDK */
+export class SdkPasswordRandomizer
+  implements
+    CredentialGenerator<PassphraseGenerationOptions>,
+    CredentialGenerator<PasswordGenerationOptions>
+{
+  /** Instantiates the password randomizer
+   *  @param client access to SDK client to call upon password/passphrase generation
+   *  @param currentTime gets the current datetime in epoch time
+   */
+  constructor(
+    private client: BitwardenClient,
+    private currentTime: () => number,
+  ) {}
+
+  generate(
+    request: GenerateRequest,
+    settings: PasswordGenerationOptions,
+  ): Promise<GeneratedCredential>;
+  generate(
+    request: GenerateRequest,
+    settings: PassphraseGenerationOptions,
+  ): Promise<GeneratedCredential>;
+  async generate(
+    request: GenerateRequest,
+    settings: PasswordGenerationOptions | PassphraseGenerationOptions,
+  ) {
+    if (isPasswordGenerationOptions(settings)) {
+      const password = await this.client.generator().password(convertPasswordRequest(settings));
+
+      return new GeneratedCredential(
+        password,
+        Type.password,
+        this.currentTime(),
+        request.source,
+        request.website,
+      );
+    } else if (isPassphraseGenerationOptions(settings)) {
+      const passphrase = await this.client
+        .generator()
+        .passphrase(convertPassphraseRequest(settings));
+
+      return new GeneratedCredential(
+        passphrase,
+        Type.password,
+        this.currentTime(),
+        request.source,
+        request.website,
+      );
+    }
+
+    throw new Error("Invalid settings received by generator.");
+  }
+}
+
+function convertPasswordRequest(settings: PasswordGenerationOptions): PasswordGeneratorRequest {
+  return {
+    lowercase: settings.lowercase!,
+    uppercase: settings.uppercase!,
+    numbers: settings.number!,
+    special: settings.special!,
+    length: settings.length!,
+    avoidAmbiguous: settings.ambiguous!,
+    minLowercase: settings.minLowercase!,
+    minUppercase: settings.minUppercase!,
+    minNumber: settings.minNumber!,
+    minSpecial: settings.minSpecial!,
+  };
+}
+
+function convertPassphraseRequest(
+  settings: PassphraseGenerationOptions,
+): PassphraseGeneratorRequest {
+  return {
+    numWords: settings.numWords!,
+    wordSeparator: settings.wordSeparator!,
+    capitalize: settings.capitalize!,
+    includeNumber: settings.includeNumber!,
+  };
+}
+
+function isPasswordGenerationOptions(settings: any): settings is PasswordGenerationOptions {
+  return "length" in (settings ?? {});
+}
+
+function isPassphraseGenerationOptions(settings: any): settings is PassphraseGenerationOptions {
+  return "numWords" in (settings ?? {});
+}

libs/tools/generator/core/src/metadata/data.ts

@@ -8,6 +8,12 @@ export const Algorithm = Object.freeze({
   /** A password composed of random words from the EFF word list */
   passphrase: "passphrase",
 
+  /** A password composed of random characters, retrieved from SDK */
+  sdkPassword: "sdkPassword",
+
+  /** A password composed of random words from the EFF word list, retrieved from SDK */
+  sdkPassphrase: "sdkPassphrase",
+
   /** A username composed of words from the EFF word list */
   username: "username",
 
@@ -38,7 +44,12 @@ export const Profile = Object.freeze({
 /** Credential generation algorithms grouped by purpose. */
 export const AlgorithmsByType = deepFreeze({
   /** Algorithms that produce passwords */
-  [Type.password]: [Algorithm.password, Algorithm.passphrase] as const,
+  [Type.password]: [
+    Algorithm.password,
+    Algorithm.passphrase,
+    Algorithm.sdkPassword,
+    Algorithm.sdkPassphrase,
+  ] as const,
 
   /** Algorithms that produce usernames */
   [Type.username]: [Algorithm.username] as const,

libs/tools/generator/core/src/metadata/password/sdk-eff-word-list.spec.ts

@@ -0,0 +1,106 @@
+import { mock } from "jest-mock-extended";
+
+import { PolicyType } from "@bitwarden/common/admin-console/enums";
+import { Policy } from "@bitwarden/common/admin-console/models/domain/policy";
+
+import { SdkPasswordRandomizer } from "../../engine";
+import { PassphrasePolicyConstraints } from "../../policies";
+import { PassphraseGenerationOptions, GeneratorDependencyProvider } from "../../types";
+import { Profile } from "../data";
+import { CoreProfileMetadata } from "../profile-metadata";
+import { isCoreProfile } from "../util";
+
+import sdkEffPassphrase from "./sdk-eff-word-list";
+
+const dependencyProvider = mock<GeneratorDependencyProvider>();
+
+describe("password - eff words generator metadata", () => {
+  describe("engine.create", () => {
+    it("returns an email randomizer", () => {
+      expect(sdkEffPassphrase.engine.create(dependencyProvider)).toBeInstanceOf(
+        SdkPasswordRandomizer,
+      );
+    });
+  });
+
+  describe("profiles[account]", () => {
+    let accountProfile: CoreProfileMetadata<PassphraseGenerationOptions> | null = null;
+    beforeEach(() => {
+      const profile = sdkEffPassphrase.profiles[Profile.account];
+      if (isCoreProfile(profile!)) {
+        accountProfile = profile;
+      } else {
+        accountProfile = null;
+      }
+    });
+
+    describe("storage.options.deserializer", () => {
+      it("returns its input", () => {
+        const value: PassphraseGenerationOptions = { ...accountProfile!.storage.initial };
+
+        const result = accountProfile!.storage.options.deserializer(value);
+
+        expect(result).toBe(value);
+      });
+    });
+
+    describe("constraints.create", () => {
+      // these tests check that the wiring is correct by exercising the behavior
+      // of functionality encapsulated by `create`. These methods may fail if the
+      // enclosed behaviors change.
+
+      it("creates a passphrase policy constraints", () => {
+        const context = { defaultConstraints: accountProfile!.constraints.default };
+
+        const constraints = accountProfile!.constraints.create([], context);
+
+        expect(constraints).toBeInstanceOf(PassphrasePolicyConstraints);
+      });
+
+      it("forwards the policy to the constraints", () => {
+        const context = { defaultConstraints: accountProfile!.constraints.default };
+        const policies = [
+          {
+            type: PolicyType.PasswordGenerator,
+            data: {
+              minNumberWords: 6,
+              capitalize: false,
+              includeNumber: false,
+            },
+          },
+        ] as Policy[];
+
+        const constraints = accountProfile!.constraints.create(policies, context);
+
+        expect(constraints.constraints.numWords?.min).toEqual(6);
+      });
+
+      it("combines multiple policies in the constraints", () => {
+        const context = { defaultConstraints: accountProfile!.constraints.default };
+        const policies = [
+          {
+            type: PolicyType.PasswordGenerator,
+            data: {
+              minNumberWords: 6,
+              capitalize: false,
+              includeNumber: false,
+            },
+          },
+          {
+            type: PolicyType.PasswordGenerator,
+            data: {
+              minNumberWords: 3,
+              capitalize: true,
+              includeNumber: false,
+            },
+          },
+        ] as Policy[];
+
+        const constraints = accountProfile!.constraints.create(policies, context);
+
+        expect(constraints.constraints.numWords?.min).toEqual(6);
+        expect(constraints.constraints.capitalize?.requiredValue).toEqual(true);
+      });
+    });
+  });
+});

libs/tools/generator/core/src/metadata/password/sdk-eff-word-list.ts

@@ -0,0 +1,92 @@
+import { PolicyType } from "@bitwarden/common/admin-console/enums";
+import { GENERATOR_DISK } from "@bitwarden/common/platform/state";
+import { PublicClassifier } from "@bitwarden/common/tools/public-classifier";
+import { ObjectKey } from "@bitwarden/common/tools/state/object-key";
+import { BitwardenClient } from "@bitwarden/sdk-internal";
+
+import { SdkPasswordRandomizer } from "../../engine";
+import { passphraseLeastPrivilege, PassphrasePolicyConstraints } from "../../policies";
+import {
+  CredentialGenerator,
+  GeneratorDependencyProvider,
+  PassphraseGenerationOptions,
+} from "../../types";
+import { Algorithm, Profile, Type } from "../data";
+import { GeneratorMetadata } from "../generator-metadata";
+
+const sdkPassphrase: GeneratorMetadata<PassphraseGenerationOptions> = {
+  id: Algorithm.sdkPassphrase,
+  category: Type.password,
+  weight: 130,
+  i18nKeys: {
+    name: "passphrase",
+    credentialType: "passphrase",
+    generateCredential: "generatePassphrase",
+    credentialGenerated: "passphraseGenerated",
+    copyCredential: "copyPassphrase",
+    useCredential: "useThisPassphrase",
+  },
+  capabilities: {
+    autogenerate: false,
+    fields: [],
+  },
+  engine: {
+    create(
+      dependencies: GeneratorDependencyProvider,
+    ): CredentialGenerator<PassphraseGenerationOptions> {
+      return new SdkPasswordRandomizer(new BitwardenClient(), Date.now); // @TODO hook up a real SDK client
+    },
+  },
+  profiles: {
+    [Profile.account]: {
+      type: "core",
+      storage: {
+        key: "passphraseGeneratorSettings",
+        target: "object",
+        format: "plain",
+        classifier: new PublicClassifier<PassphraseGenerationOptions>([
+          "numWords",
+          "wordSeparator",
+          "capitalize",
+          "includeNumber",
+        ]),
+        state: GENERATOR_DISK,
+        initial: {
+          numWords: 6,
+          wordSeparator: "-",
+          capitalize: false,
+          includeNumber: false,
+        },
+        options: {
+          deserializer(value) {
+            return value;
+          },
+          clearOn: ["logout"],
+        },
+      } satisfies ObjectKey<PassphraseGenerationOptions>,
+      constraints: {
+        type: PolicyType.PasswordGenerator,
+        default: {
+          wordSeparator: { maxLength: 1 },
+          numWords: {
+            min: 3,
+            max: 20,
+            recommendation: 6,
+          },
+        },
+        create(policies, context) {
+          const initial = {
+            minNumberWords: 0,
+            capitalize: false,
+            includeNumber: false,
+          };
+          const policy = policies.reduce(passphraseLeastPrivilege, initial);
+          const constraints = new PassphrasePolicyConstraints(policy, context.defaultConstraints);
+          return constraints;
+        },
+      },
+    },
+  },
+};
+
+export default sdkPassphrase;

libs/tools/generator/core/src/metadata/password/sdk-random-password.spec.ts

@@ -0,0 +1,107 @@
+import { mock } from "jest-mock-extended";
+
+import { PolicyType } from "@bitwarden/common/admin-console/enums";
+import { Policy } from "@bitwarden/common/admin-console/models/domain/policy";
+
+import { SdkPasswordRandomizer } from "../../engine";
+import { DynamicPasswordPolicyConstraints } from "../../policies";
+import { PasswordGenerationOptions, GeneratorDependencyProvider } from "../../types";
+import { Profile } from "../data";
+import { CoreProfileMetadata } from "../profile-metadata";
+import { isCoreProfile } from "../util";
+
+import sdkPassword from "./sdk-random-password";
+
+const dependencyProvider = mock<GeneratorDependencyProvider>();
+
+describe("password - characters generator metadata", () => {
+  describe("engine.create", () => {
+    it("returns an email randomizer", () => {
+      expect(sdkPassword.engine.create(dependencyProvider)).toBeInstanceOf(SdkPasswordRandomizer);
+    });
+  });
+
+  describe("profiles[account]", () => {
+    let accountProfile: CoreProfileMetadata<PasswordGenerationOptions> = null!;
+    beforeEach(() => {
+      const profile = sdkPassword.profiles[Profile.account];
+      if (isCoreProfile(profile!)) {
+        accountProfile = profile;
+      } else {
+        throw new Error("this branch should never run");
+      }
+    });
+
+    describe("storage.options.deserializer", () => {
+      it("returns its input", () => {
+        const value: PasswordGenerationOptions = { ...accountProfile.storage.initial };
+
+        const result = accountProfile.storage.options.deserializer(value);
+
+        expect(result).toBe(value);
+      });
+    });
+
+    describe("constraints.create", () => {
+      // these tests check that the wiring is correct by exercising the behavior
+      // of functionality encapsulated by `create`. These methods may fail if the
+      // enclosed behaviors change.
+
+      it("creates a passphrase policy constraints", () => {
+        const context = { defaultConstraints: accountProfile.constraints.default };
+
+        const constraints = accountProfile.constraints.create([], context);
+
+        expect(constraints).toBeInstanceOf(DynamicPasswordPolicyConstraints);
+      });
+
+      it("forwards the policy to the constraints", () => {
+        const context = { defaultConstraints: accountProfile.constraints.default };
+        const policies = [
+          {
+            type: PolicyType.PasswordGenerator,
+            enabled: true,
+            data: {
+              minLength: 10,
+              capitalize: false,
+              useNumbers: false,
+            },
+          },
+        ] as Policy[];
+
+        const constraints = accountProfile.constraints.create(policies, context);
+
+        expect(constraints.constraints.length?.min).toEqual(10);
+      });
+
+      it("combines multiple policies in the constraints", () => {
+        const context = { defaultConstraints: accountProfile.constraints.default };
+        const policies = [
+          {
+            type: PolicyType.PasswordGenerator,
+            enabled: true,
+            data: {
+              minLength: 14,
+              useSpecial: false,
+              useNumbers: false,
+            },
+          },
+          {
+            type: PolicyType.PasswordGenerator,
+            enabled: true,
+            data: {
+              minLength: 10,
+              useSpecial: true,
+              includeNumber: false,
+            },
+          },
+        ] as Policy[];
+
+        const constraints = accountProfile.constraints.create(policies, context);
+
+        expect(constraints.constraints.length?.min).toEqual(14);
+        expect(constraints.constraints.special?.requiredValue).toEqual(true);
+      });
+    });
+  });
+});

libs/tools/generator/core/src/metadata/password/sdk-random-password.ts

@@ -0,0 +1,118 @@
+import { PolicyType } from "@bitwarden/common/admin-console/enums";
+import { GENERATOR_DISK } from "@bitwarden/common/platform/state";
+import { PublicClassifier } from "@bitwarden/common/tools/public-classifier";
+import { deepFreeze } from "@bitwarden/common/tools/util";
+import { BitwardenClient } from "@bitwarden/sdk-internal";
+
+import { SdkPasswordRandomizer } from "../../engine";
+import { DynamicPasswordPolicyConstraints, passwordLeastPrivilege } from "../../policies";
+import {
+  CredentialGenerator,
+  GeneratorDependencyProvider,
+  PasswordGeneratorSettings,
+} from "../../types";
+import { Algorithm, Profile, Type } from "../data";
+import { GeneratorMetadata } from "../generator-metadata";
+
+const sdkPassword: GeneratorMetadata<PasswordGeneratorSettings> = deepFreeze({
+  id: Algorithm.sdkPassword,
+  category: Type.password,
+  weight: 120,
+  i18nKeys: {
+    name: "password",
+    generateCredential: "generatePassword",
+    credentialGenerated: "passwordGenerated",
+    credentialType: "password",
+    copyCredential: "copyPassword",
+    useCredential: "useThisPassword",
+  },
+  capabilities: {
+    autogenerate: true,
+    fields: [],
+  },
+  engine: {
+    create(
+      dependencies: GeneratorDependencyProvider,
+    ): CredentialGenerator<PasswordGeneratorSettings> {
+      return new SdkPasswordRandomizer(new BitwardenClient(), Date.now); // @TODO hook up a real SDK client
+    },
+  },
+  profiles: {
+    [Profile.account]: {
+      type: "core",
+      storage: {
+        key: "passwordGeneratorSettings",
+        target: "object",
+        format: "plain",
+        classifier: new PublicClassifier<PasswordGeneratorSettings>([
+          "length",
+          "ambiguous",
+          "uppercase",
+          "minUppercase",
+          "lowercase",
+          "minLowercase",
+          "number",
+          "minNumber",
+          "special",
+          "minSpecial",
+        ]),
+        state: GENERATOR_DISK,
+        initial: {
+          length: 14,
+          ambiguous: true,
+          uppercase: true,
+          minUppercase: 1,
+          lowercase: true,
+          minLowercase: 1,
+          number: true,
+          minNumber: 1,
+          special: false,
+          minSpecial: 0,
+        },
+        options: {
+          deserializer(value) {
+            return value;
+          },
+          clearOn: ["logout"],
+        },
+      },
+      constraints: {
+        type: PolicyType.PasswordGenerator,
+        default: {
+          length: {
+            min: 5,
+            max: 128,
+            recommendation: 14,
+          },
+          minNumber: {
+            min: 0,
+            max: 9,
+          },
+          minSpecial: {
+            min: 0,
+            max: 9,
+          },
+        },
+        create(policies, context) {
+          const initial = {
+            minLength: 0,
+            useUppercase: false,
+            useLowercase: false,
+            useNumbers: false,
+            numberCount: 0,
+            useSpecial: false,
+            specialCount: 0,
+          };
+          const policy = policies.reduce(passwordLeastPrivilege, initial);
+          const constraints = new DynamicPasswordPolicyConstraints(
+            policy,
+            context.defaultConstraints,
+          );
+          return constraints;
+        },
+      },
+    },
+  },
+});
+
+export default sdkPassword;