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https://github.com/bitwarden/browser
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Move to libs
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Hinton
277
libs/common/src/services/usernameGeneration.service.ts
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277
libs/common/src/services/usernameGeneration.service.ts
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import { ApiService } from "../abstractions/api.service";
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import { CryptoService } from "../abstractions/crypto.service";
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import { StateService } from "../abstractions/state.service";
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import { UsernameGenerationService as BaseUsernameGenerationService } from "../abstractions/usernameGeneration.service";
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import { EEFLongWordList } from "../misc/wordlist";
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const DefaultOptions = {
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type: "word",
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wordCapitalize: true,
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wordIncludeNumber: true,
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subaddressType: "random",
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catchallType: "random",
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forwardedService: "simplelogin",
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forwardedAnonAddyDomain: "anonaddy.me",
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};
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export class UsernameGenerationService implements BaseUsernameGenerationService {
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constructor(
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private cryptoService: CryptoService,
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private stateService: StateService,
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private apiService: ApiService
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) {}
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generateUsername(options: any): Promise<string> {
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if (options.type === "catchall") {
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return this.generateCatchall(options);
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} else if (options.type === "subaddress") {
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return this.generateSubaddress(options);
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} else if (options.type === "forwarded") {
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return this.generateForwarded(options);
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} else {
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return this.generateWord(options);
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}
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}
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async generateWord(options: any): Promise<string> {
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const o = Object.assign({}, DefaultOptions, options);
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if (o.wordCapitalize == null) {
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o.wordCapitalize = true;
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}
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if (o.wordIncludeNumber == null) {
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o.wordIncludeNumber = true;
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}
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const wordIndex = await this.cryptoService.randomNumber(0, EEFLongWordList.length - 1);
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let word = EEFLongWordList[wordIndex];
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if (o.wordCapitalize) {
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word = word.charAt(0).toUpperCase() + word.slice(1);
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}
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if (o.wordIncludeNumber) {
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const num = await this.cryptoService.randomNumber(1, 9999);
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word = word + this.zeroPad(num.toString(), 4);
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}
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return word;
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}
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async generateSubaddress(options: any): Promise<string> {
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const o = Object.assign({}, DefaultOptions, options);
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const subaddressEmail = o.subaddressEmail;
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if (subaddressEmail == null || subaddressEmail.length < 3) {
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return o.subaddressEmail;
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}
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const atIndex = subaddressEmail.indexOf("@");
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if (atIndex < 1 || atIndex >= subaddressEmail.length - 1) {
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return subaddressEmail;
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}
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if (o.subaddressType == null) {
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o.subaddressType = "random";
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}
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const emailBeginning = subaddressEmail.substr(0, atIndex);
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const emailEnding = subaddressEmail.substr(atIndex + 1, subaddressEmail.length);
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let subaddressString = "";
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if (o.subaddressType === "random") {
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subaddressString = await this.randomString(8);
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} else if (o.subaddressType === "website-name") {
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subaddressString = o.website;
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}
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return emailBeginning + "+" + subaddressString + "@" + emailEnding;
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}
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async generateCatchall(options: any): Promise<string> {
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const o = Object.assign({}, DefaultOptions, options);
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if (o.catchallDomain == null || o.catchallDomain === "") {
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return null;
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}
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if (o.catchallType == null) {
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o.catchallType = "random";
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}
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let startString = "";
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if (o.catchallType === "random") {
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startString = await this.randomString(8);
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} else if (o.catchallType === "website-name") {
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startString = o.website;
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}
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return startString + "@" + o.catchallDomain;
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}
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async generateForwarded(options: any): Promise<string> {
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const o = Object.assign({}, DefaultOptions, options);
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if (o.forwardedService == null) {
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return null;
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}
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if (o.forwardedService === "simplelogin") {
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if (o.forwardedSimpleLoginApiKey == null || o.forwardedSimpleLoginApiKey === "") {
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return null;
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}
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return this.generateSimpleLoginAlias(o.forwardedSimpleLoginApiKey, o.website);
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} else if (o.forwardedService === "anonaddy") {
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if (
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o.forwardedAnonAddyApiToken == null ||
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o.forwardedAnonAddyApiToken === "" ||
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o.forwardedAnonAddyDomain == null ||
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o.forwardedAnonAddyDomain == ""
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) {
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return null;
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}
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return this.generateAnonAddyAlias(
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o.forwardedAnonAddyApiToken,
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o.forwardedAnonAddyDomain,
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o.website
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);
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} else if (o.forwardedService === "firefoxrelay") {
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if (o.forwardedFirefoxApiToken == null || o.forwardedFirefoxApiToken === "") {
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return null;
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}
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return this.generateFirefoxRelayAlias(o.forwardedFirefoxApiToken, o.website);
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}
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return null;
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}
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async getOptions(): Promise<any> {
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let options = await this.stateService.getUsernameGenerationOptions();
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if (options == null) {
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options = Object.assign({}, DefaultOptions);
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} else {
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options = Object.assign({}, DefaultOptions, options);
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}
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await this.stateService.setUsernameGenerationOptions(options);
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return options;
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}
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async saveOptions(options: any) {
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await this.stateService.setUsernameGenerationOptions(options);
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}
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private async randomString(length: number) {
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let str = "";
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const charSet = "abcdefghijklmnopqrstuvwxyz1234567890";
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for (let i = 0; i < length; i++) {
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const randomCharIndex = await this.cryptoService.randomNumber(0, charSet.length - 1);
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str += charSet.charAt(randomCharIndex);
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}
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return str;
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}
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// ref: https://stackoverflow.com/a/10073788
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private zeroPad(number: string, width: number) {
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return number.length >= width
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? number
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: new Array(width - number.length + 1).join("0") + number;
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}
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private async generateSimpleLoginAlias(apiKey: string, website: string): Promise<string> {
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if (apiKey == null || apiKey === "") {
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throw "Invalid SimpleLogin API key.";
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}
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const requestInit: RequestInit = {
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redirect: "manual",
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cache: "no-store",
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method: "POST",
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headers: new Headers({
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Authentication: apiKey,
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"Content-Type": "application/json",
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}),
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};
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let url = "https://app.simplelogin.io/api/alias/random/new";
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if (website != null) {
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url += "?hostname=" + website;
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}
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requestInit.body = JSON.stringify({
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note: (website != null ? "Website: " + website + ". " : "") + "Generated by Bitwarden.",
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});
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const request = new Request(url, requestInit);
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const response = await this.apiService.nativeFetch(request);
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if (response.status === 200 || response.status === 201) {
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const json = await response.json();
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return json.alias;
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}
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if (response.status === 401) {
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throw "Invalid SimpleLogin API key.";
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}
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try {
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const json = await response.json();
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if (json?.error != null) {
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throw "SimpleLogin error:" + json.error;
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}
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} catch {
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// Do nothing...
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}
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throw "Unknown SimpleLogin error occurred.";
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}
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private async generateAnonAddyAlias(
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apiToken: string,
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domain: string,
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websiteNote: string
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): Promise<string> {
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if (apiToken == null || apiToken === "") {
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throw "Invalid AnonAddy API token.";
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}
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const requestInit: RequestInit = {
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redirect: "manual",
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cache: "no-store",
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method: "POST",
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headers: new Headers({
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Authorization: "Bearer " + apiToken,
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"Content-Type": "application/json",
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}),
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};
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const url = "https://app.anonaddy.com/api/v1/aliases";
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requestInit.body = JSON.stringify({
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domain: domain,
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description:
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(websiteNote != null ? "Website: " + websiteNote + ". " : "") + "Generated by Bitwarden.",
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});
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const request = new Request(url, requestInit);
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const response = await this.apiService.nativeFetch(request);
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if (response.status === 200 || response.status === 201) {
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const json = await response.json();
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return json?.data?.email;
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}
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if (response.status === 401) {
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throw "Invalid AnonAddy API token.";
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}
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throw "Unknown AnonAddy error occurred.";
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}
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private async generateFirefoxRelayAlias(apiToken: string, website: string): Promise<string> {
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if (apiToken == null || apiToken === "") {
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throw "Invalid Firefox Relay API token.";
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}
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const requestInit: RequestInit = {
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redirect: "manual",
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cache: "no-store",
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method: "POST",
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headers: new Headers({
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Authorization: "Token " + apiToken,
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"Content-Type": "application/json",
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}),
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};
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const url = "https://relay.firefox.com/api/v1/relayaddresses/";
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requestInit.body = JSON.stringify({
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enabled: true,
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generated_for: website,
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description: (website != null ? website + " - " : "") + "Generated by Bitwarden.",
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});
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const request = new Request(url, requestInit);
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const response = await this.apiService.nativeFetch(request);
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if (response.status === 200 || response.status === 201) {
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const json = await response.json();
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return json?.full_address;
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}
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if (response.status === 401) {
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throw "Invalid Firefox Relay API token.";
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}
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throw "Unknown Firefox Relay error occurred.";
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}
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}
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