Username generator (#734)

* add support for username generation

* remove unused Router

* pr feedback

angular/src/components/add-edit.component.ts

@@ -47,6 +47,7 @@ export class AddEditComponent implements OnInit {
   @Output() onShareCipher = new EventEmitter<CipherView>();
   @Output() onEditCollections = new EventEmitter<CipherView>();
   @Output() onGeneratePassword = new EventEmitter();
+  @Output() onGenerateUsername = new EventEmitter();
 
   editMode = false;
   cipher: CipherView;
@@ -425,12 +426,25 @@ export class AddEditComponent implements OnInit {
     return true;
   }
 
+  async generateUsername(): Promise<boolean> {
+    if (this.cipher.login?.username?.length) {
+      const confirmed = await this.platformUtilsService.showDialog(
+        this.i18nService.t("overwriteUsernameConfirmation"),
+        this.i18nService.t("overwriteUsername"),
+        this.i18nService.t("yes"),
+        this.i18nService.t("no")
+      );
+      if (!confirmed) {
+        return false;
+      }
+    }
+
+    this.onGenerateUsername.emit();
+    return true;
+  }
+
   async generatePassword(): Promise<boolean> {
-    if (
-      this.cipher.login != null &&
-      this.cipher.login.password != null &&
-      this.cipher.login.password.length
-    ) {
+    if (this.cipher.login?.password?.length) {
       const confirmed = await this.platformUtilsService.showDialog(
         this.i18nService.t("overwritePasswordConfirmation"),
         this.i18nService.t("overwritePassword"),

angular/src/components/password-generator.component.ts

@@ -1,97 +1,201 @@
 import { Directive, EventEmitter, Input, OnInit, Output } from "@angular/core";
+import { ActivatedRoute } from "@angular/router";
+import { first } from "rxjs/operators";
 
 import { I18nService } from "jslib-common/abstractions/i18n.service";
 import { PasswordGenerationService } from "jslib-common/abstractions/passwordGeneration.service";
 import { PlatformUtilsService } from "jslib-common/abstractions/platformUtils.service";
+import { StateService } from "jslib-common/abstractions/state.service";
+import { UsernameGenerationService } from "jslib-common/abstractions/usernameGeneration.service";
 import { PasswordGeneratorPolicyOptions } from "jslib-common/models/domain/passwordGeneratorPolicyOptions";
 
 @Directive()
 export class PasswordGeneratorComponent implements OnInit {
   @Input() showSelect = false;
+  @Input() type = "password";
   @Output() onSelected = new EventEmitter<string>();
 
+  typeOptions: any[];
   passTypeOptions: any[];
-  options: any = {};
+  usernameTypeOptions: any[];
+  subaddressOptions: any[];
+  catchallOptions: any[];
+  forwardOptions: any[];
+  usernameOptions: any = {};
+  passwordOptions: any = {};
+  username = "-";
   password = "-";
   showOptions = false;
   avoidAmbiguous = false;
-  enforcedPolicyOptions: PasswordGeneratorPolicyOptions;
+  showWebsiteOption = false;
+  enforcedPasswordPolicyOptions: PasswordGeneratorPolicyOptions;
 
   constructor(
     protected passwordGenerationService: PasswordGenerationService,
+    protected usernameGenerationService: UsernameGenerationService,
     protected platformUtilsService: PlatformUtilsService,
+    protected stateService: StateService,
     protected i18nService: I18nService,
+    protected route: ActivatedRoute,
     private win: Window
   ) {
+    this.typeOptions = [
+      { name: i18nService.t("password"), value: "password" },
+      { name: i18nService.t("username"), value: "username" },
+    ];
     this.passTypeOptions = [
       { name: i18nService.t("password"), value: "password" },
       { name: i18nService.t("passphrase"), value: "passphrase" },
     ];
+    this.usernameTypeOptions = [
+      {
+        name: i18nService.t("plusAddressedEmail"),
+        value: "subaddress",
+        desc: i18nService.t("plusAddressedEmailDesc"),
+      },
+      {
+        name: i18nService.t("catchallEmail"),
+        value: "catchall",
+        desc: i18nService.t("catchallEmailDesc"),
+      },
+      { name: i18nService.t("randomWord"), value: "word" },
+    ];
+    this.subaddressOptions = [{ name: i18nService.t("random"), value: "random" }];
+    this.catchallOptions = [{ name: i18nService.t("random"), value: "random" }];
+    this.forwardOptions = [
+      { name: "SimpleLogin", value: "simplelogin" },
+      { name: "FastMail", value: "fastmail" },
+    ];
   }
 
   async ngOnInit() {
-    const optionsResponse = await this.passwordGenerationService.getOptions();
-    this.options = optionsResponse[0];
-    this.enforcedPolicyOptions = optionsResponse[1];
-    this.avoidAmbiguous = !this.options.ambiguous;
-    this.options.type = this.options.type === "passphrase" ? "passphrase" : "password";
-    this.password = await this.passwordGenerationService.generatePassword(this.options);
-    await this.passwordGenerationService.addHistory(this.password);
+    this.route.queryParams.pipe(first()).subscribe(async (qParams) => {
+      const passwordOptionsResponse = await this.passwordGenerationService.getOptions();
+      this.passwordOptions = passwordOptionsResponse[0];
+      this.enforcedPasswordPolicyOptions = passwordOptionsResponse[1];
+      this.avoidAmbiguous = !this.passwordOptions.ambiguous;
+      this.passwordOptions.type =
+        this.passwordOptions.type === "passphrase" ? "passphrase" : "password";
+
+      if (this.showWebsiteOption) {
+        const websiteOption = { name: this.i18nService.t("websiteName"), value: "website-name" };
+        this.subaddressOptions.push(websiteOption);
+        this.catchallOptions.push(websiteOption);
+      }
+      this.usernameOptions = await this.usernameGenerationService.getOptions();
+      if (this.usernameOptions.type == null) {
+        this.usernameOptions.type = "word";
+      }
+      if (
+        this.usernameOptions.subaddressEmail == null ||
+        this.usernameOptions.subaddressEmail === ""
+      ) {
+        this.usernameOptions.subaddressEmail = await this.stateService.getEmail();
+      }
+      if (!this.showWebsiteOption) {
+        this.usernameOptions.subaddressType = this.usernameOptions.catchallType = "random";
+      }
+
+      if (qParams.type === "username" || qParams.type === "password") {
+        this.type = qParams.type;
+      } else {
+        const generatorOptions = await this.stateService.getGeneratorOptions();
+        if (generatorOptions != null && generatorOptions.type != null) {
+          this.type = generatorOptions.type;
+        }
+      }
+      await this.regenerate();
+    });
+  }
+
+  async typeChanged() {
+    await this.stateService.setGeneratorOptions({ type: this.type });
+    await this.regenerate();
+  }
+
+  async regenerate() {
+    if (this.type === "password") {
+      await this.regeneratePassword();
+    } else if (this.type === "username") {
+      await this.regenerateUsername();
+    }
   }
 
   async sliderChanged() {
-    this.saveOptions(false);
+    this.savePasswordOptions(false);
     await this.passwordGenerationService.addHistory(this.password);
   }
 
   async sliderInput() {
-    this.normalizeOptions();
-    this.password = await this.passwordGenerationService.generatePassword(this.options);
+    this.normalizePasswordOptions();
+    this.password = await this.passwordGenerationService.generatePassword(this.passwordOptions);
   }
 
-  async saveOptions(regenerate = true) {
-    this.normalizeOptions();
-    await this.passwordGenerationService.saveOptions(this.options);
+  async savePasswordOptions(regenerate = true) {
+    this.normalizePasswordOptions();
+    await this.passwordGenerationService.saveOptions(this.passwordOptions);
 
     if (regenerate) {
-      await this.regenerate();
+      await this.regeneratePassword();
     }
   }
 
-  async regenerate() {
-    this.password = await this.passwordGenerationService.generatePassword(this.options);
+  async saveUsernameOptions(regenerate = true) {
+    await this.usernameGenerationService.saveOptions(this.usernameOptions);
+    if (regenerate) {
+      await this.regenerateUsername();
+    }
+  }
+
+  async regeneratePassword() {
+    this.password = await this.passwordGenerationService.generatePassword(this.passwordOptions);
     await this.passwordGenerationService.addHistory(this.password);
   }
 
+  regenerateUsername() {
+    return this.generateUsername();
+  }
+
+  async generateUsername() {
+    this.username = await this.usernameGenerationService.generateUsername(this.usernameOptions);
+    if (this.username === "" || this.username === null) {
+      this.username = "-";
+    }
+  }
+
   copy() {
+    const password = this.type === "password";
     const copyOptions = this.win != null ? { window: this.win } : null;
-    this.platformUtilsService.copyToClipboard(this.password, copyOptions);
+    this.platformUtilsService.copyToClipboard(
+      password ? this.password : this.username,
+      copyOptions
+    );
     this.platformUtilsService.showToast(
       "info",
       null,
-      this.i18nService.t("valueCopied", this.i18nService.t("password"))
+      this.i18nService.t("valueCopied", this.i18nService.t(password ? "password" : "username"))
     );
   }
 
   select() {
-    this.onSelected.emit(this.password);
+    this.onSelected.emit(this.type === "password" ? this.password : this.username);
   }
 
   toggleOptions() {
     this.showOptions = !this.showOptions;
   }
 
-  private normalizeOptions() {
+  private normalizePasswordOptions() {
     // Application level normalize options depedent on class variables
-    this.options.ambiguous = !this.avoidAmbiguous;
+    this.passwordOptions.ambiguous = !this.avoidAmbiguous;
 
     if (
-      !this.options.uppercase &&
-      !this.options.lowercase &&
-      !this.options.number &&
-      !this.options.special
+      !this.passwordOptions.uppercase &&
+      !this.passwordOptions.lowercase &&
+      !this.passwordOptions.number &&
+      !this.passwordOptions.special
     ) {
-      this.options.lowercase = true;
+      this.passwordOptions.lowercase = true;
       if (this.win != null) {
         const lowercase = this.win.document.querySelector("#lowercase") as HTMLInputElement;
         if (lowercase) {
@@ -100,6 +204,9 @@ export class PasswordGeneratorComponent implements OnInit {
       }
     }
 
-    this.passwordGenerationService.normalizeOptions(this.options, this.enforcedPolicyOptions);
+    this.passwordGenerationService.normalizeOptions(
+      this.passwordOptions,
+      this.enforcedPasswordPolicyOptions
+    );
   }
 }

common/src/abstractions/state.service.ts

@@ -265,6 +265,10 @@ export abstract class StateService<T extends Account = Account> {
   ) => Promise<void>;
   getPasswordGenerationOptions: (options?: StorageOptions) => Promise<any>;
   setPasswordGenerationOptions: (value: any, options?: StorageOptions) => Promise<void>;
+  getUsernameGenerationOptions: (options?: StorageOptions) => Promise<any>;
+  setUsernameGenerationOptions: (value: any, options?: StorageOptions) => Promise<void>;
+  getGeneratorOptions: (options?: StorageOptions) => Promise<any>;
+  setGeneratorOptions: (value: any, options?: StorageOptions) => Promise<void>;
   getProtectedPin: (options?: StorageOptions) => Promise<string>;
   setProtectedPin: (value: string, options?: StorageOptions) => Promise<void>;
   getProviders: (options?: StorageOptions) => Promise<{ [id: string]: ProviderData }>;

common/src/abstractions/usernameGeneration.service.ts

@@ -0,0 +1,8 @@
+export abstract class UsernameGenerationService {
+  generateUsername: (options: any) => Promise<string>;
+  generateWord: (options: any) => Promise<string>;
+  generateSubaddress: (options: any) => Promise<string>;
+  generateCatchall: (options: any) => Promise<string>;
+  getOptions: () => Promise<any>;
+  saveOptions: (options: any) => Promise<void>;
+}

common/src/models/domain/account.ts

@@ -125,6 +125,8 @@ export class AccountSettings {
   minimizeOnCopyToClipboard?: boolean;
   neverDomains?: { [id: string]: any };
   passwordGenerationOptions?: any;
+  usernameGenerationOptions?: any;
+  generatorOptions?: any;
   pinProtected?: EncryptionPair<string, EncString> = new EncryptionPair<string, EncString>();
   protectedPin?: string;
   settings?: any; // TODO: Merge whatever is going on here into the AccountSettings model properly

common/src/services/state.service.ts

@@ -1797,6 +1797,40 @@ export class StateService<
     );
   }
 
+  async getUsernameGenerationOptions(options?: StorageOptions): Promise<any> {
+    return (
+      await this.getAccount(this.reconcileOptions(options, await this.defaultOnDiskOptions()))
+    )?.settings?.usernameGenerationOptions;
+  }
+
+  async setUsernameGenerationOptions(value: any, options?: StorageOptions): Promise<void> {
+    const account = await this.getAccount(
+      this.reconcileOptions(options, await this.defaultOnDiskOptions())
+    );
+    account.settings.usernameGenerationOptions = value;
+    await this.saveAccount(
+      account,
+      this.reconcileOptions(options, await this.defaultOnDiskOptions())
+    );
+  }
+
+  async getGeneratorOptions(options?: StorageOptions): Promise<any> {
+    return (
+      await this.getAccount(this.reconcileOptions(options, await this.defaultOnDiskOptions()))
+    )?.settings?.generatorOptions;
+  }
+
+  async setGeneratorOptions(value: any, options?: StorageOptions): Promise<void> {
+    const account = await this.getAccount(
+      this.reconcileOptions(options, await this.defaultOnDiskOptions())
+    );
+    account.settings.generatorOptions = value;
+    await this.saveAccount(
+      account,
+      this.reconcileOptions(options, await this.defaultOnDiskOptions())
+    );
+  }
+
   async getProtectedPin(options?: StorageOptions): Promise<string> {
     return (
       await this.getAccount(this.reconcileOptions(options, await this.defaultOnDiskOptions()))

common/src/services/usernameGeneration.service.ts

@@ -0,0 +1,128 @@
+import { CryptoService } from "../abstractions/crypto.service";
+import { StateService } from "../abstractions/state.service";
+import { UsernameGenerationService as BaseUsernameGenerationService } from "../abstractions/usernameGeneration.service";
+import { EEFLongWordList } from "../misc/wordlist";
+
+const DefaultOptions = {
+  type: "word",
+  wordCapitalize: true,
+  wordIncludeNumber: true,
+  subaddressType: "random",
+  catchallType: "random",
+};
+
+export class UsernameGenerationService implements BaseUsernameGenerationService {
+  constructor(private cryptoService: CryptoService, private stateService: StateService) {}
+
+  generateUsername(options: any): Promise<string> {
+    if (options.type === "catchall") {
+      return this.generateCatchall(options);
+    } else if (options.type === "subaddress") {
+      return this.generateSubaddress(options);
+    } else if (options.type === "forwarded") {
+      return this.generateSubaddress(options);
+    } else {
+      return this.generateWord(options);
+    }
+  }
+
+  async generateWord(options: any): Promise<string> {
+    const o = Object.assign({}, DefaultOptions, options);
+
+    if (o.wordCapitalize == null) {
+      o.wordCapitalize = true;
+    }
+    if (o.wordIncludeNumber == null) {
+      o.wordIncludeNumber = true;
+    }
+
+    const wordIndex = await this.cryptoService.randomNumber(0, EEFLongWordList.length - 1);
+    let word = EEFLongWordList[wordIndex];
+    if (o.wordCapitalize) {
+      word = word.charAt(0).toUpperCase() + word.slice(1);
+    }
+    if (o.wordIncludeNumber) {
+      const num = await this.cryptoService.randomNumber(1, 9999);
+      word = word + this.zeroPad(num.toString(), 4);
+    }
+    return word;
+  }
+
+  async generateSubaddress(options: any): Promise<string> {
+    const o = Object.assign({}, DefaultOptions, options);
+
+    const subaddressEmail = o.subaddressEmail;
+    if (subaddressEmail == null || subaddressEmail.length < 3) {
+      return o.subaddressEmail;
+    }
+    const atIndex = subaddressEmail.indexOf("@");
+    if (atIndex < 1 || atIndex >= subaddressEmail.length - 1) {
+      return subaddressEmail;
+    }
+    if (o.subaddressType == null) {
+      o.subaddressType = "random";
+    }
+
+    const emailBeginning = subaddressEmail.substr(0, atIndex);
+    const emailEnding = subaddressEmail.substr(atIndex + 1, subaddressEmail.length);
+
+    let subaddressString = "";
+    if (o.subaddressType === "random") {
+      subaddressString = await this.randomString(8);
+    } else if (o.subaddressType === "website-name") {
+      subaddressString = o.website;
+    }
+    return emailBeginning + "+" + subaddressString + "@" + emailEnding;
+  }
+
+  async generateCatchall(options: any): Promise<string> {
+    const o = Object.assign({}, DefaultOptions, options);
+
+    if (o.catchallDomain == null || o.catchallDomain === "") {
+      return null;
+    }
+    if (o.catchallType == null) {
+      o.catchallType = "random";
+    }
+
+    let startString = "";
+    if (o.catchallType === "random") {
+      startString = await this.randomString(8);
+    } else if (o.catchallType === "website-name") {
+      startString = o.website;
+    }
+    return startString + "@" + o.catchallDomain;
+  }
+
+  async getOptions(): Promise<any> {
+    let options = await this.stateService.getUsernameGenerationOptions();
+    if (options == null) {
+      options = DefaultOptions;
+    } else {
+      options = Object.assign({}, DefaultOptions, options);
+    }
+    await this.stateService.setUsernameGenerationOptions(options);
+    return options;
+  }
+
+  async saveOptions(options: any) {
+    await this.stateService.setUsernameGenerationOptions(options);
+  }
+
+  private async randomString(length: number) {
+    let str = "";
+    const charSet = "abcdefghijklmnopqrstuvwxyz1234567890";
+    for (let i = 0; i < length; i++) {
+      const randomCharIndex = await this.cryptoService.randomNumber(0, charSet.length - 1);
+      str += charSet.charAt(randomCharIndex);
+    }
+    return str;
+  }
+
+  // ref: https://stackoverflow.com/a/10073788
+  private zeroPad(number: string, width: number) {
+    return number.length >= width
+      ? number
+      : new Array(width - number.length + 1).join("0") + number;
+  }
+}