How to use str2ab method in wpt

Best JavaScript code snippet using wpt

index.js

Source:index.js Github

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1import crypto from 'crypto';2import fs from 'fs';3import helmet from "helmet";4import http from 'http';5import https from 'https';6import cors from 'cors';7import cron from 'node-cron';8import dotenv from 'dotenv';9import express from 'express';10import log4js from 'log4js';11import nedb from 'nedb-promises';12import path from 'path';13import randomstring from 'randomstring';14import str2ab from 'str2ab';1516import FSL from '@s1r-j/fido2server-lib';17const {18 AttestationCreationOptionsBuilder,19 AttestationExpectationBuilder,20 AttestationResponseVerifier,21 AttestationResponseParser,22 AssertionRequestOptionsBuilder,23 AssertionExpectationBuilder,24 AssertionResponseVerifier,25 AssertionResponseParser,26} = FSL;272829import RequestValidateUtil from './util/requestValidateUtil.js';30import MdsUtil from './util/mdsUtil.js';3132dotenv.config();3334const RP_ORIGIN = new URL(process.env.SCHEME + '://' + process.env.HOSTNAME + ':' + process.env.PORT);35const RP_ID = RP_ORIGIN.hostname;36const RP_NAME = process.env.RP_NAME || RP_ID;37const ALGS = (process.env.ALGS || '-7').split(',').map(a => Number(a));3839// log40log4js.configure({41 appenders: {42 fido2: {43 type: 'file',44 filename: process.env.LOG_FILE || './log/app.log',45 }46 },47 categories: {48 default: {49 appenders: ['fido2'],50 level: process.env.LOG_LEVEL || 'warn'51 }52 }53});54const logger = log4js.getLogger('fido2');5556// db57const datastore = nedb.create(process.env.DB_FILE || './data/database.db');5859// cron60if (cron.validate(process.env.DB_RESET)) {61 console.log(`Set DB reset cron: ${process.env.DB_RESET}`);62 cron.schedule(process.env.DB_RESET, () => {63 fs.writeFileSync(process.env.DB_FILE || './data/database.db', '');64 });65}66if (cron.validate(process.env.LOG_ROTATE)) {67 console.log(`Set log rotate cron: ${process.env.LOG_ROTATE}`);68 cron.schedule(process.env.LOG_ROTATE, () => {69 fs.writeFileSync(process.env.LOG_FILE || './log/app.log', '');70 });71}7273// FIDO metadata74let addonEntries = [];75if (process.env.FIDO_METADATA_DIR) {76 const fileNames = fs.readdirSync(process.env.FIDO_METADATA_DIR);77 addonEntries = fileNames.map(fn => {78 if (fn === '.gitkeep') {79 return [];80 }81 const filepath = path.resolve(process.env.FIDO_METADATA_DIR, fn);82 const stats = fs.lstatSync(filepath);83 if (!stats.isFile()) {84 return [];85 }86 const file = fs.readFileSync(filepath, 'utf-8');87 try {88 const json = JSON.parse(file);89 if (Array.isArray(json)) {90 return json;91 } else {92 return [json];93 }94 } catch (err) {95 console.log(`${fn} is not JSON file.`);96 return [];97 }98 }).flat();99}100const mdsUtil = new MdsUtil(addonEntries);101102const app = express();103app.use(express.json());104app.use(express.urlencoded({extended: true}));105app.use(helmet());106app.use(helmet.contentSecurityPolicy({107 directives: {108 'script-src': ["'self'", "'unsafe-inline'", "code.jquery.com"],109 }110}));111app.use(cors({112 "origin": "*",113 "methods": "GET,HEAD,PUT,PATCH,POST,DELETE",114 "preflightContinue": false,115 "optionsSuccessStatus": 204116}))117118app.set("view engine", "ejs");119app.set("views", path.resolve('./views'));120121const options = {122 key: process.env.PRIV_KEY ? fs.readFileSync(path.resolve(process.env.PRIV_KEY)) : null, // './ssl/privkey.pem'123 cert: process.env.CERT ? fs.readFileSync(path.resolve(process.env.CERT)) : null, // './ssl/fullchain.pem'124};125126app.get('/hello', function (req, res) {127 // for test128 logger.info('/hello is called.');129 res.status(200).end('Hello, world.');130});131132app.get('/', function (req, res) {133 const data = {134 vendorName: RP_NAME,135 serverURL: RP_ORIGIN.origin,136 };137 res.render("index.ejs", data);138});139140app.post('/attestation/options', async (req, res) => {141 const requestId = randomstring.generate(10);142 logger.info({143 requestId,144 message: '/attestation/options is called.'145 });146 logger.trace({147 requestId,148 message: req.body149 });150151 try {152 RequestValidateUtil.attestationOptions(req);153154 let user = await datastore.findOne({155 type: 'user',156 username: req.body.username,157 });158 if (user == null) {159 const userId = randomstring.generate(10);160 await datastore.insert({161 type: 'user',162 userId,163 username: req.body.username,164 displayName: req.body.displayName,165 });166 user = await datastore.findOne({167 type: 'user',168 userId,169 });170 }171 const credentials = await datastore.find({172 type: 'credential',173 userId: user.userId,174 }).exec();175 const excludes = credentials.map(c => {176 return {177 type: 'public-key',178 id: str2ab.base64url2arraybuffer(c.credentialId),179 transports: c.transports,180 };181 });182183 const challenge = str2ab.buffer2arraybuffer(crypto.randomBytes(64));184 const options = new AttestationCreationOptionsBuilder({185 rp: {186 id: RP_ID,187 name: RP_NAME,188 },189 user: {190 id: str2ab.string2arraybuffer(user.userId),191 name: req.body.username,192 displayName: req.body.displayName,193 },194 challenge,195 pubKeyCredParams: ALGS.map(alg => {196 return {197 type: 'public-key',198 alg,199 };200 }),201 timeout: 60000, // 60 sec202 excludeCredentials: excludes,203 authenticatorSelection: {204 ...req.body.authenticatorSelection,205 residentKey: (req.body.authenticatorSelection != null && req.body.authenticatorSelection.requireResidentKey) ? 'required' : undefined,206 },207 attestation: req.body.attestation,208 }).buildEncode();209 await datastore.insert({210 type: 'challenge',211 challenge: str2ab.arraybuffer2base64url(challenge),212 userId: user.userId,213 path: 'attestation',214 });215 logger.trace({216 requestId,217 message: options218 });219220 res.status(200).json({221 ...options,222 extensions: {223 ...(req.body.extensions || {}),224 },225 status: 'ok',226 errorMessage: '',227 });228 } catch (err) {229 logger.error({230 requestId,231 message: err232 });233 res.status(500).json({234 status: 'failed',235 errorMessage: `${requestId} ${err.message}`,236 });237 }238});239240app.post('/attestation/result', async (req, res) => {241 const requestId = randomstring.generate(10);242 logger.info({243 requestId,244 message: '/attestation/result is called.',245 });246 logger.trace({247 requestId,248 message: req.body249 });250251 try {252 RequestValidateUtil.attestationResult(req);253254 const parsed = AttestationResponseParser.parse({255 id: req.body.id,256 response: {257 attestationObject: str2ab.base64url2arraybuffer(req.body.response.attestationObject),258 clientDataJSON: str2ab.base64url2arraybuffer(req.body.response.clientDataJSON),259 transports: req.body.response.transports,260 },261 type: req.body.type,262 });263 if (parsed.challenge == null) {264 throw new Error('cannot parse challenge');265 }266 const challengeRecord = await datastore.findOne({267 type: 'challenge',268 path: 'attestation',269 challenge: parsed.challenge.base64url,270 });271 let isSuccess = false;272 try {273 const {274 challenge,275 userId,276 } = challengeRecord;277 let useMetadataService = false;278 let mdsEntry = null;279 if (parsed.aaguid != null && parsed.aaguid.uuid != null && parsed.aaguid.uuid !== '00000000-0000-0000-0000-000000000000') {280 mdsEntry = await mdsUtil.findEntry(parsed.aaguid.uuid);281 if (mdsEntry != null) {282 useMetadataService = true;283 }284 }285 const expectation = new AttestationExpectationBuilder({286 challenge: str2ab.base64url2arraybuffer(challenge),287 origin: RP_ORIGIN.origin,288 rpId: RP_ID,289 algs: ALGS,290 useMetadataService,291 metadataEntry: mdsEntry,292 }).build();293294 const verifier = new AttestationResponseVerifier({295 id: req.body.id,296 response: {297 attestationObject: str2ab.base64url2arraybuffer(req.body.response.attestationObject),298 clientDataJSON: str2ab.base64url2arraybuffer(req.body.response.clientDataJSON),299 transports: req.body.response.transports,300 },301 type: req.body.type302 }, expectation);303 const result = await verifier.verify();304 logger.info({305 requestId,306 message: JSON.stringify(result, null, 2),307 });308 if (result.verification) {309 const aaguid = result.aaguid.uuid;310 if (aaguid !== '00000000-0000-0000-0000-000000000000') {311 const entry = await mdsUtil.findEntry(aaguid);312 await mdsUtil.verifyEntry(entry, 'sha256', result.attestationTypes || []);313 }314315 await datastore.insert({316 type: 'credential',317 credentialId: result.credentialId.base64url,318 credential: result.pem,319 signCount: result.signCount,320 aaguid: result.aaguid.uuid,321 transports: req.body.response.transports || [],322 userId,323 });324 await datastore.remove({325 type: 'challenge',326 challenge,327 });328 isSuccess = true;329 } else {330 isSuccess = false;331 }332 } catch (err) {333 isSuccess = false;334 throw err;335 }336337 if (isSuccess) {338 res.status(200).json({339 status: 'ok',340 errorMessage: '',341 });342 } else {343 throw new Error('Register is rejected.');344 }345 } catch (err) {346 logger.error({347 requestId,348 message: err349 });350 res.status(500).json({351 status: 'failed',352 errorMessage: `${requestId} ${err.message}`,353 });354 }355});356357app.post('/assertion/options', async (req, res) => {358 const requestId = randomstring.generate(10);359 logger.info({360 requestId,361 message:'/assertion/options is called.'362 });363 logger.trace({364 requestId,365 message: req.body366 });367368 try {369 RequestValidateUtil.assertionOptions(req);370371 const user = await datastore.findOne({372 type: 'user',373 username: req.body.username,374 });375 if (user == null) {376 throw new Error(`user is not found: ${req.body.username}`);377 }378 const credentials = await datastore.find({379 type: 'credential',380 userId: user.userId,381 }).exec();382383 const options = AssertionRequestOptionsBuilder.easyCreate({384 rpId: RP_ID,385 userVerification: req.body.userVerification,386 }).buildEncode();387388 options.allowCredentials = credentials.map(c => {389 return {390 type: 'public-key',391 id: c.credentialId,392 transports: c.transports || [],393 };394 });395 logger.info({396 requestId,397 message: options398 });399400 const challenge = options.challenge;401 await datastore.insert({402 type: 'challenge',403 challenge,404 path: 'assertion',405 userId: user.userId,406 userVerification: req.body.userVerification,407 });408409 res.status(200).json({410 ...options,411 extensions: {412 ...(req.body.extensions || {}),413 },414 status: 'ok',415 errorMessage: '',416 });417 } catch (err) {418 logger.error({419 requestId,420 message: err421 });422 res.status(500).json({423 status: 'failed',424 errorMessage: `${requestId} ${err.message}`,425 });426 }427});428429app.post('/assertion/result', async (req, res) => {430 const requestId = randomstring.generate(10);431 logger.info({432 requestId,433 message: '/assertion/result is called.'434 });435 logger.trace({436 requestId,437 message: req.body438 });439440 try {441 RequestValidateUtil.assertionResult(req);442443 const parsed = AssertionResponseParser.parse({444 id: req.body.id,445 response: {446 clientDataJSON: str2ab.base64url2arraybuffer(req.body.response.clientDataJSON),447 authenticatorData: str2ab.base64url2arraybuffer(req.body.response.authenticatorData),448 signature: str2ab.base64url2arraybuffer(req.body.response.signature),449 userHandle: req.body.response.userHandle != null ? str2ab.base64url2arraybuffer(req.body.response.userHandle) : undefined,450 },451 type: req.body.type,452 });453454 const challengeRecord = await datastore.findOne({455 type: 'challenge',456 challenge: parsed.challenge.base64url,457 path: 'assertion',458 }).exec();459 const {460 challenge,461 userId,462 userVerification,463 } = challengeRecord;464465 const credential = await datastore.findOne({466 type: 'credential',467 credentialId: parsed.credentialId.base64url,468 userId,469 });470 471 let flags = new Set();472 if (userVerification === 'required') {473 flags.add('UserVerified');474 }475 const expectation = new AssertionExpectationBuilder({476 credentialPublicKey: credential.credential,477 challenge: str2ab.base642arraybuffer(challenge),478 origin: RP_ORIGIN.origin,479 rpId: RP_ID,480 flags,481 storedSignCount: credential.signCount,482 strictSignCount: true,483 }).build();484485 let isSuccess = false;486 try {487488 const verifier = new AssertionResponseVerifier({489 id: req.body.id,490 response: {491 clientDataJSON: str2ab.base64url2arraybuffer(req.body.response.clientDataJSON),492 authenticatorData: str2ab.base64url2arraybuffer(req.body.response.authenticatorData),493 signature: str2ab.base64url2arraybuffer(req.body.response.signature),494 userHandle: req.body.response.userHandle != null ? str2ab.base64url2arraybuffer(req.body.response.userHandle) : undefined,495 },496 type: req.body.type,497 }, expectation);498 const result = await verifier.verify();499 logger.info({500 requestId,501 message: JSON.stringify(result, null, 2),502 });503 if (result.verification) {504 await datastore.update({505 type: 'credential',506 credentialId: credential.credentialId,507 userId,508 }, {509 $set: { signCount: result.signCount },510 }, {});511 await datastore.remove({512 type: 'challenge',513 challenge,514 });515 isSuccess = true;516 } else {517 isSuccess = false;518 }519 } catch (err) {520 isSuccess = false;521 throw err;522 }523524 if (isSuccess) {525 res.status(200).json({526 status: 'ok',527 errorMessage: '',528 }); 529 } else {530 throw new Error('Verification is failed.');531 }532 } catch (err) {533 logger.error({534 requestId,535 message: err536 });537 res.status(500).json({538 status: 'failed',539 errorMessage: `${requestId} ${err.message}`,540 });541 }542});543544let httpServer;545if (options.cert != null && options.key != null) {546 httpServer = https.createServer(options, app);547} else {548 httpServer = http.createServer(app);549}550const server = httpServer.listen(process.env.PORT, process.env.HOSTNAME, function() {551 const host = server.address().address;552 const port = server.address().port;553554 console.log('Server is listening at http://%s:%s', host, port); ...

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server.js

Source:server.js Github

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...44 i++;45 }46 return str;47 }48 function str2ab(str) {49 var buf = new ArrayBuffer(str.length*2); // 2 bytes for each char50 var bufView = new Uint16Array(buf);51 for (var i=0, strLen=str.length; i<strLen; i++) {52 bufView[i] = str.charCodeAt(i);53 }54 return buf;55 }56 ws.on('message',function(message){57 var message=ab2str(message);58 if(message=="index"){ 59 index_clients.push(ws);60 reload();61 }62 else if(message==1 && game1==0){63 if(rooms[0]<2){64 rooms[0]++;65 if(rooms[0]==1) {66 ws.send(str2ab("Oczekiwanie na dołączenie przeciwnika..."));67 ws.send(str2ab("style"));68 win1=0;69 board1 =70 [0,0,0,71 0,0,0,72 0,0,0];73 }74 if(rooms[0]==2){75 block1=1;76 reload();77 ws.send(str2ab("Twój przeciwnik już jest gotowy."));78 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));79 ws.send(str2ab("style"));80 room1_clients.forEach(function e(client){81 if (client!=ws){82 client.send(str2ab("Dołączył przeciwnik."));83 client.send(str2ab("Twój ruch."));84 client.send(str2ab("style2"));85 }86 });87 game1=1;88 }89 room1_clients.push(ws);90 reload();91 } 92 }93 else if(message==2 && game2==0){94 if(rooms[1]<2){95 rooms[1]++;96 if(rooms[1]==1){97 ws.send(str2ab("Oczekiwanie na dołączenie przeciwnika..."));98 ws.send(str2ab("style"));99 win2=0;100 board2 =101 [0,0,0,102 0,0,0,103 0,0,0];104 }105 if(rooms[1]==2){106 block2=1;107 reload();108 ws.send(str2ab("Twój przeciwnik już jest gotowy."));109 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));110 ws.send(str2ab("style"));111 room2_clients.forEach(function e(client){112 if (client!=ws){113 client.send(str2ab("Dołączył przeciwnik."));114 client.send(str2ab("Twój ruch."));115 client.send(str2ab("style2"));116 }117 });118 game2=1;119 }120 room2_clients.push(ws);121 reload();122 }123 }124 else if(message==1 && game1==1){125 ws.send(str2ab(board1.toString()));126 rooms[0]++;127 room1_clients.push(ws);128 if (style==0){129 ws.send(str2ab("style2"));130 ws.send(str2ab("Twój ruch."));131 room1_clients.forEach(function e(client){132 if(client!=ws){133 client.send(str2ab("style"));134 client.send(str2ab("Oczekiwanie na ruch przeciwnika..."));135 }136 });137 }138 if (style==1){139 ws.send(str2ab("style"));140 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));141 room1_clients.forEach(function e(client){142 if(client!=ws){143 client.send(str2ab("style2"));144 client.send(str2ab("Twój ruch."));145 }146 });147 }148 style=0;149 reload();150 }151 else if(message==2 && game1==1){152 ws.send(str2ab(board2.toString()));153 rooms[1]++;154 room2_clients.push(ws);155 if (style==0){156 ws.send(str2ab("style2"));157 ws.send(str2ab("Twój ruch."));158 room2_clients.forEach(function e(client){159 if (client!=ws){160 client.send(str2ab("style"));161 client.send(str2ab("Oczekiwanie na ruch przeciwnika..."));162 }163 });164 }165 if (style==1){166 ws.send(str2ab("style"));167 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));168 room2_clients.forEach(function e(client){169 if(client!=ws){170 client.send(str2ab("style2"));171 client.send(str2ab("Twój ruch."));172 }173 });174 }175 style=0;176 reload();177 }178 else if(message=="escape"){179 closing();180 }181 else if(message=="style1"){182 style=1;183 }184 else if(message=="style0"){185 style=0;186 }187 else{188 for( var i = 0; i < room1_clients.length; i++){ 189 if ( room1_clients[i] === ws) {190 if (i==symbol[0]) board1[message[1]]=1;191 if (i==symbol[1]) board1[message[1]]=2;192 if(win1==0)winner1();193 room1_clients.forEach(function e(client){194 client.send(str2ab(board1.toString()));195 if(client!=ws){ 196 if(win1==0){197 client.send(str2ab("style2"));198 client.send(str2ab("Twój ruch."));199 }200 }201 }); 202 if (win1==0){203 ws.send(str2ab("style"));204 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));205 }206 }207 }208 209 for( var i = 0; i < room2_clients.length; i++){ 210 if ( room2_clients[i] === ws) {211 if (i==symbol[2]) board2[message[1]]=1;212 if (i==symbol[3]) board2[message[1]]=2;213 if(win2==0)winner2();214 room2_clients.forEach(function e(client){215 client.send(str2ab(board2.toString())); 216 if(client!=ws && win2==0){ 217 client.send(str2ab("style2"));218 client.send(str2ab("Twój ruch."));219 }220 }); 221 if (win2==0){222 ws.send(str2ab("style"));223 ws.send(str2ab("Oczekiwanie na ruch przeciwnika..."));224 }225 }226 }227 }228 });229 230 ws.on('close',function(){ 231 closing();232 });233 234 function closing(){235 236 for( var i = 0; i < index_clients.length; i++){ 237 if ( index_clients[i] === ws) {238 index_clients.splice(i, 1); 239 }240 }241 for( var i = 0; i < room1_clients.length; i++){ 242 if ( room1_clients[i] === ws) {243 room1_clients.splice(i, 1); 244 if (i==0){245 var x = symbol[0];246 symbol[0]=symbol[1];247 symbol[1]=x;248 }249 rooms[0]--;250 251 room1_clients.forEach(function e(client){252 if(client!=ws)client.send(str2ab("Przeciwnik się rozłączył!"));253 client.send(str2ab("style"));254 });255 if(rooms[0]==0){256 block1=0;257 game1=0;258 style=0;259 index_clients.forEach(function e(client){260 client.send(str2ab("unblock1"));261 });262 }263 reload(); 264 }265 }266 267 for( var i = 0; i < room2_clients.length; i++){ 268 if ( room2_clients[i] === ws) { 269 room2_clients.splice(i, 1); 270 if (i==0){271 var x = symbol[2];272 symbol[2]=symbol[3];273 symbol[3]=x;274 }275 rooms[1]--;276 277 room2_clients.forEach(function e(client){278 if(client!=ws)client.send(str2ab("Przeciwnik się rozłączył!"));279 client.send(str2ab("style"));280 });281 if(rooms[1]==0){282 block2=0;283 game2=0;284 style=0;285 index_clients.forEach(function e(client){286 client.send(str2ab("unblock2"));287 });288 }289 reload();290 }291 }292 }293 function reload(){294 index_clients.forEach(function e(client){295 client.send(str2ab(rooms.toString()));296 if(block1==1)client.send(str2ab("block1"));297 if(block2==1)client.send(str2ab("block2"));298 });299 }300 function winner1(){301 winning.forEach(function(c){ 302 if(board1[c[0]] == board1[c[1]] && board1[c[1]] == board1[c[2]] && board1[c[1]] != "")303 {304 win1=1;305 game1=0;306 reload();307 room1_clients.forEach(function e(client){308 client.send(str2ab("style"));309 client.send(str2ab("GAME OVER"));310 });311 } 312 });313 }314 function winner2(){315 winning.forEach(function(c){ 316 if(board2[c[0]] == board2[c[1]] && board2[c[1]] == board2[c[2]] && board2[c[1]] != "")317 {318 win2=1;319 game2=0;320 reload();321 room2_clients.forEach(function e(client){322 client.send(str2ab("style"));323 client.send(str2ab("GAME OVER")); 324 });325 }326 });327 }...

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crypto.js

Source:crypto.js Github

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...6};7function ab2str(buf) {8 return String.fromCharCode.apply(null, new Uint8Array(buf));9}10function str2ab(str) {11 const buf = new ArrayBuffer(str.length);12 const bufView = new Uint8Array(buf);13 for (let i = 0, strLen = str.length; i < strLen; i++) {14 bufView[i] = str.charCodeAt(i);15 }16 return buf;17}18export async function generateIdentity () {19 return await crypto.subtle.generateKey(20 KEY_PAIR_PARAMS,21 true,22 ['sign', 'verify']23 );24}25export async function importB64Identity (b64keyPair) {26 const privateKey = await crypto.subtle.importKey(27 'pkcs8',28 str2ab(atob(b64keyPair.privateKey)),29 KEY_PAIR_PARAMS,30 false,31 ['sign'],32 );33 const publicKey = await crypto.subtle.importKey(34 'spki',35 str2ab(atob(b64keyPair.publicKey)),36 KEY_PAIR_PARAMS,37 false,38 ['verify'],39 );40 return { privateKey, publicKey };41}42export async function exportB64Identity (keyPair) {43 const privateKey = await crypto.subtle.exportKey('pkcs8', keyPair.privateKey)44 .then(buf => btoa(ab2str(buf)));45 const publicKey = await crypto.subtle.exportKey('spki', keyPair.publicKey)46 .then(buf => btoa(ab2str(buf)));47 return { privateKey, publicKey };48}49export async function exportPEMPublicKey (keyPair) {50 const { publicKey } = await exportB64Identity(keyPair);51 return `-----BEGIN PUBLIC KEY-----\n${publicKey}\n-----END PUBLIC KEY-----`;52}53export async function generateToken (_claim, privateKey) {54 const header = JSON.stringify({ alg: KEY_PAIR_PARAMS.hash, type: 'JWT' });55 const claim = JSON.stringify(_claim);56 let token = `${btoa(header)}.${btoa(claim)}`;57 const _signature = await crypto.subtle.sign(58 KEY_PAIR_PARAMS.name,59 privateKey,60 new TextEncoder().encode(token)61 );62 const signature = btoa(ab2str(_signature));63 token += `.${signature}`;64 return `Bearer ${token}`;65}66export async function generateEncryptionKey () {67 return await window.crypto.subtle.generateKey(68 { name: "AES-GCM", length: 128 },69 true,70 ["encrypt", "decrypt"]71 );72}73export async function exportEncryptionKey (key) {74 return (await window.crypto.subtle.exportKey("jwk", key)).k;75}76export async function importEncryptionKey (k) {77 return await window.crypto.subtle.importKey(78 "jwk",79 {80 k,81 alg: "A128GCM",82 ext: true,83 key_ops: ["encrypt", "decrypt"],84 kty: "oct",85 },86 { name: "AES-GCM", length: 128 },87 false, // extractable88 ["encrypt", "decrypt"]89 );90}91export async function encryptToB64 (plaintext, key) {92 const iv = window.crypto.getRandomValues(new Uint8Array(12));93 const ciphertext = await window.crypto.subtle.encrypt(94 { name: "AES-GCM", iv },95 key,96 str2ab(plaintext)97 );98 return {99 ciphertext: btoa(ab2str(ciphertext)),100 iv: btoa(ab2str(iv)),101 };102}103export async function decryptFromB64 ({ ciphertext, iv }, key) {104 const decrypted = await window.crypto.subtle.decrypt(105 { name: "AES-GCM", iv: str2ab(atob(iv)) },106 key,107 str2ab(atob(ciphertext))108 );109 return ab2str(decrypted);...

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Using AI Code Generation

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1var str = "Hello World";2var ab = wptools.str2ab(str);3var str2 = wptools.ab2str(ab);4console.log(str2);5var str = "Hello World";6var ab = window.str2ab(str);7var str2 = window.ab2str(ab);8console.log(str2);

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Using AI Code Generation

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1var str = "hello world";2var ab = new TextEncoder("utf-8").encode(str).buffer;3console.log(ab);4var str = "hello world";5var ab = new TextEncoder("utf-8").encode(str).buffer;6console.log(ab);7var str = "hello world";8var ab = new TextEncoder("utf-8").encode(str).buffer;9console.log(ab);10var str = "hello world";11var ab = new TextEncoder("utf-8").encode(str).buffer;12console.log(ab);13var str = "hello world";14var ab = new TextEncoder("utf-8").encode(str).buffer;15console.log(ab);16var str = "hello world";17var ab = new TextEncoder("utf-8").encode(str).buffer;18console.log(ab);19var str = "hello world";20var ab = new TextEncoder("utf-8").encode(str).buffer;21console.log(ab);22var str = "hello world";23var ab = new TextEncoder("utf-8").encode(str).buffer;24console.log(ab);25var str = "hello world";26var ab = new TextEncoder("utf-8").encode(str).buffer;27console.log(ab);28var str = "hello world";29var ab = new TextEncoder("utf-8").encode(str).buffer;30console.log(ab);31var str = "hello world";32var ab = new TextEncoder("utf-8").encode(str).buffer;33console.log(ab);34var str = "hello world";35var ab = new TextEncoder("utf-8").encode(str).buffer;36console.log(ab);

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Using AI Code Generation

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1var ab = str2ab('Hello World!');2var str = ab2str(ab);3var str2ab = function(str) {4 var bufView = new Uint16Array(buf);5 for (var i = 0, strLen = str.length; i < strLen; i++) {6 bufView[i] = str.charCodeAt(i);7 }8 return buf;9};10var ab2str = function(buf) {11 return String.fromCharCode.apply(null, new Uint16Array(buf));12};13var ab = str2ab('Hello World!');14var str = ab2str(ab);15var str2ab = function(str) {16 var bufView = new Uint16Array(buf);17 for (var i = 0, strLen = str.length; i < strLen; i++) {18 bufView[i] = str.charCodeAt(i);19 }20 return buf;21};22var ab2str = function(buf) {23 return String.fromCharCode.apply(null, new Uint16Array(buf));24};25var ab = str2ab('Hello World!');26var str = ab2str(ab);27var str2ab = function(str)

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Using AI Code Generation

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1const wptools = require('wp-tools');2const str = 'some string';3const ab = wptools.str2ab(str);4const dec = wptools.ab2str(ab);5console.log(dec);6 var wptools = require('wp-tools');7 var str = 'some string';8 var ab = wptools.str2ab(str);9 var dec = wptools.ab2str(ab);10 console.log(dec);11 require 'wp-tools.php';12 $str = 'some string';13 $ab = wptools\str2ab($str);14 $dec = wptools\ab2str($ab);15 echo $dec;16 require 'wp-tools.php';17 $str = 'some string';18 $ab = wptools\str2ab($str);19 $dec = wptools\ab2str($ab);20 echo $dec;21 require 'wp-tools.php';22 $str = 'some string';23 $ab = wptools\str2ab($str);24 $dec = wptools\ab2str($ab);25 echo $dec;26 require 'wp-tools.php';27 $str = 'some string';28 $ab = wptools\str2ab($str);29 $dec = wptools\ab2str($ab);30 echo $dec;31 require 'wp-tools.php';32 $str = 'some string';33 $ab = wptools\str2ab($str);34 $dec = wptools\ab2str($ab);35 echo $dec;

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Using AI Code Generation

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1var str2ab = require('wptools').str2ab;2var ab = str2ab('hello world');3console.log(ab);4var str = Buffer.from(ab).toString();5console.log(str);6The Buffer.from() method is used to create a new Buffer instance from an array of bytes, a string, or a buffer instance. It

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