분류 javascript

Random Password Generator

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  • 조회 254 (작성일 )

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https://codepen.io/dev_loop/pen/vYYxvbz 


HTML : 


<div class="container">

<h2 class="title">Password Generator</h2>

<div class="result">

<div class="result__title field-title">Generated Password</div>

<div class="result__info right">click to copy</div>

<div class="result__info left">copied</div>

<div class="result__viewbox" id="result">CLICK GENERATE</div>

<button id="copy-btn" style="--x: 0; --y: 0"><i class="far fa-copy"></i></button>

</div>

<div class="length range__slider" data-min="4" data-max="32">

<div class="length__title field-title" data-length='0'>length:</div>

<input id="slider" type="range" min="4" max="32" value="16" />

</div>


<div class="settings">

<span class="settings__title field-title">settings</span>

<div class="setting">

<input type="checkbox" id="uppercase" checked />

<label for="uppercase">Include Uppercase</label>

</div>

<div class="setting">

<input type="checkbox" id="lowercase" checked />

<label for="lowercase">Include Lowercase</label>

</div>

<div class="setting">

<input type="checkbox" id="number" checked />

<label for="number">Include Numbers</label>

</div>

<div class="setting">

<input type="checkbox" id="symbol" />

<label for="symbol">Include Symbols</label>

</div>

</div>


<button class="btn generate" id="generate">Generate Password</button>

</div>



<div class="support">

<a href="https://twitter.com/DevLoop01" target="_blank"><i class="fab fa-twitter-square"></i></a>

<a href="https://codepen.io/dev_loop/" target="_blank"><i class="fab fa-codepen"></i></a>

</div>


<a class="github-corner" href="https://github.com/devloop01/password-generator" title="Fork me on GitHub" target="_blank">

<svg width="80" height="80" viewbox="0 0 250 250">

<title>Fork me on GitHub</title>

<path d="M0 0h250v250" />

<path class="octo-arm" d="M127.4 110c-14.6-9.2-9.4-19.5-9.4-19.5 3-7 1.5-11 1.5-11-1-6.2 3-2 3-2 4 4.7 2 11 2 11-2.2 10.4 5 14.8 9 16.2" fill="currentColor" style="transform-origin:130px 110px;" />

<path class="octo-body" d="M113.2 114.3s3.6 1.6 4.7.6l15-13.7c3-2.4 6-3 8.2-2.7-8-11.2-14-25 3-41 4.7-4.4 10.6-6.4 16.2-6.4.6-1.6 3.6-7.3 11.8-10.7 0 0 4.5 2.7 6.8 16.5 4.3 2.7 8.3 6 12 9.8 3.3 3.5 6.7 8 8.6 12.3 14 3 16.8 8 16.8 8-3.4 8-9.4 11-11.4 11 0 5.8-2.3 11-7.5 15.5-16.4 16-30 9-40 .2 0 3-1 7-5.2 11l-13.3 11c-1 1 .5 5.3.8 5z" fill="currentColor" />

</svg>

</a>


CSS : 


* {

  margin: 0;

  padding: 0;

  box-sizing: border-box;

}


body {

  width: 100%;

  height: 100%;

  background-image: linear-gradient(to top, #209cff 100%, #68e0cf 200%);

  display: flex;

  justify-content: center;

  align-items: center;

}


button {

  border: 0;

  outline: 0;

}


.container {

  margin: 40px 0;

  width: 400px;

  height: 600px;

  padding: 10px 25px;

  background: #0a0e31;

  border-radius: 10px;

  box-shadow: 0 0 5px rgba(0, 0, 0, 0.45), 0 4px 8px rgba(0, 0, 0, 0.35), 0 8px 12px rgba(0, 0, 0, 0.15);

  font-family: "Montserrat";

}

.container h2.title {

  font-size: 1.75rem;

  margin: 10px -5px;

  margin-bottom: 30px;

  color: #fff;

}


.result {

  position: relative;

  width: 100%;

  height: 65px;

  overflow: hidden;

}

.result__info {

  position: absolute;

  bottom: 4px;

  color: #fff;

  font-size: 0.8rem;

  transition: all 150ms ease-in-out;

  transform: translateY(200%);

  opacity: 0;

}

.result__info.right {

  right: 8px;

}

.result__info.left {

  left: 8px;

}

.result__viewbox {

  width: 100%;

  height: 100%;

  background: rgba(255, 255, 255, 0.08);

  border-radius: 8px;

  color: #fff;

  text-align: center;

  line-height: 65px;

}

.result #copy-btn {

  position: absolute;

  top: var(--y);

  left: var(--x);

  width: 38px;

  height: 38px;

  background: #fff;

  border-radius: 50%;

  opacity: 0;

  transform: translate(-50%, -50%) scale(0);

  transition: all 350ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  cursor: pointer;

  z-index: 2;

}

.result #copy-btn:active {

  box-shadow: 0 0 0 200px rgba(255, 255, 255, 0.08);

}

.result:hover #copy-btn {

  opacity: 1;

  transform: translate(-50%, -50%) scale(1.35);

}


.field-title {

  position: absolute;

  top: -10px;

  left: 8px;

  transform: translateY(-50%);

  font-weight: 800;

  color: rgba(255, 255, 255, 0.5);

  text-transform: uppercase;

  font-size: 0.65rem;

  pointer-events: none;

  user-select: none;

}


.options {

  width: 100%;

  height: auto;

  margin: 50px 0;

}


.range__slider {

  position: relative;

  width: 100%;

  height: calc(65px - 10px);

  display: flex;

  justify-content: center;

  align-items: center;

  background: rgba(255, 255, 255, 0.08);

  border-radius: 8px;

  margin: 30px 0;

}

.range__slider::before, .range__slider::after {

  position: absolute;

  color: #fff;

  font-size: 0.9rem;

  font-weight: bold;

}

.range__slider::before {

  content: attr(data-min);

  left: 10px;

}

.range__slider::after {

  content: attr(data-max);

  right: 10px;

}

.range__slider .length__title::after {

  content: attr(data-length);

  position: absolute;

  right: -16px;

  font-variant-numeric: tabular-nums;

  color: #fff;

}


#slider {

  -webkit-appearance: none;

  width: calc(100% - (70px));

  height: 2px;

  border-radius: 5px;

  background: rgba(255, 255, 255, 0.314);

  outline: none;

  padding: 0;

  margin: 0;

  cursor: pointer;

}

#slider::-webkit-slider-thumb {

  -webkit-appearance: none;

  width: 20px;

  height: 20px;

  border-radius: 50%;

  background: white;

  cursor: pointer;

  transition: all 0.15s ease-in-out;

}

#slider::-webkit-slider-thumb:hover {

  background: #d4d4d4;

  transform: scale(1.2);

}

#slider::-moz-range-thumb {

  width: 20px;

  height: 20px;

  border: 0;

  border-radius: 50%;

  background: white;

  cursor: pointer;

  transition: background 0.15s ease-in-out;

}

#slider::-moz-range-thumb:hover {

  background: #d4d4d4;

}


.settings {

  position: relative;

  height: auto;

  widows: 100%;

  display: flex;

  flex-direction: column;

}

.settings .setting {

  position: relative;

  width: 100%;

  height: calc(65px - 10px);

  background: rgba(255, 255, 255, 0.08);

  border-radius: 8px;

  display: flex;

  align-items: center;

  padding: 10px 25px;

  color: #fff;

  margin-bottom: 8px;

}

.settings .setting input {

  opacity: 0;

  position: absolute;

}

.settings .setting input + label {

  user-select: none;

}

.settings .setting input + label::before, .settings .setting input + label::after {

  content: "";

  position: absolute;

  transition: 150ms cubic-bezier(0.24, 0, 0.5, 1);

  transform: translateY(-50%);

  top: 50%;

  right: 10px;

  cursor: pointer;

}

.settings .setting input + label::before {

  height: 30px;

  width: 50px;

  border-radius: 30px;

  background: rgba(214, 214, 214, 0.434);

}

.settings .setting input + label::after {

  height: 24px;

  width: 24px;

  border-radius: 60px;

  right: 32px;

  background: #fff;

}

.settings .setting input:checked + label:before {

  background: #5d68e2;

  transition: all 150ms cubic-bezier(0, 0, 0, 0.1);

}

.settings .setting input:checked + label:after {

  right: 14px;

}

.settings .setting input:focus + label:before {

  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.75);

}


.btn.generate {

  user-select: none;

  position: relative;

  width: 100%;

  height: 50px;

  margin: 10px 0;

  border-radius: 8px;

  color: #fff;

  border: none;

  background-image: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  letter-spacing: 1px;

  font-weight: bold;

  text-transform: uppercase;

  cursor: pointer;

  transition: all 150ms ease;

}

.btn.generate:active {

  transform: translateY(-3%);

  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.08);

}


.support {

  position: fixed;

  right: 10px;

  bottom: 10px;

  padding: 10px;

  display: flex;

}


a {

  margin: 0 20px;

  color: #fff;

  font-size: 2rem;

  transition: all 400ms ease;

}


a:hover {

  color: #222;

}


.github-corner svg {

  position: absolute;

  right: 0;

  top: 0;

  mix-blend-mode: darken;

  color: #eeeeee;

  fill: #353535;

  clip-path: polygon(0 0, 100% 0, 100% 100%);

}


.github-corner:hover .octo-arm {

  animation: octocat-wave .56s;

}


@keyframes octocat-wave {

  0%, 100% {

    transform: rotate(0);

  }

  20%, 60% {

    transform: rotate(-20deg);

  }

  40%, 80% {

    transform: rotate(10deg);

  }

}




Javascript : 


// This is a simple Password Generator App that will generate random password maybe you can you them to secure your account.

// I tried my best to make the code as simple as possible please dont mind the variable names.

// Also this idea came in my mind after checking Traversy Media's latest video.


// Clear the concole on every refresh

console.clear();

// set the body to full height

// document.body.style.height = `${innerHeight}px`


// Range Slider Properties.

// Fill : The trailing color that you see when you drag the slider.

// background : Default Range Slider Background

const sliderProps = {

fill: "#0B1EDF",

background: "rgba(255, 255, 255, 0.214)",

};


// Selecting the Range Slider container which will effect the LENGTH property of the password.

const slider = document.querySelector(".range__slider");


// Text which will show the value of the range slider.

const sliderValue = document.querySelector(".length__title");


// Using Event Listener to apply the fill and also change the value of the text.

slider.querySelector("input").addEventListener("input", event => {

sliderValue.setAttribute("data-length", event.target.value);

applyFill(event.target);

});

// Selecting the range input and passing it in the applyFill func.

applyFill(slider.querySelector("input"));

// This function is responsible to create the trailing color and setting the fill.

function applyFill(slider) {

const percentage = (100 * (slider.value - slider.min)) / (slider.max - slider.min);

const bg = `linear-gradient(90deg, ${sliderProps.fill} ${percentage}%, ${sliderProps.background} ${percentage +

0.1}%)`;

slider.style.background = bg;

sliderValue.setAttribute("data-length", slider.value);

}


// Object of all the function names that we will use to create random letters of password

const randomFunc = {

lower: getRandomLower,

upper: getRandomUpper,

number: getRandomNumber,

symbol: getRandomSymbol,

};


// Random more secure value

function secureMathRandom() {

return window.crypto.getRandomValues(new Uint32Array(1))[0] / (Math.pow(2, 32) - 1);

}


// Generator Functions

// All the functions that are responsible to return a random value taht we will use to create password.

function getRandomLower() {

return String.fromCharCode(Math.floor(Math.random() * 26) + 97);

}

function getRandomUpper() {

return String.fromCharCode(Math.floor(Math.random() * 26) + 65);

}

function getRandomNumber() {

return String.fromCharCode(Math.floor(secureMathRandom() * 10) + 48);

}

function getRandomSymbol() {

const symbols = '~!@#$%^&*()_+{}":?><;.,';

return symbols[Math.floor(Math.random() * symbols.length)];

}


// Selecting all the DOM Elements that are necessary -->


// The Viewbox where the result will be shown

const resultEl = document.getElementById("result");

// The input slider, will use to change the length of the password

const lengthEl = document.getElementById("slider");


// Checkboxes representing the options that is responsible to create differnt type of password based on user

const uppercaseEl = document.getElementById("uppercase");

const lowercaseEl = document.getElementById("lowercase");

const numberEl = document.getElementById("number");

const symbolEl = document.getElementById("symbol");


// Button to generate the password

const generateBtn = document.getElementById("generate");

// Button to copy the text

const copyBtn = document.getElementById("copy-btn");

// Result viewbox container

const resultContainer = document.querySelector(".result");

// Text info showed after generate button is clicked

const copyInfo = document.querySelector(".result__info.right");

// Text appear after copy button is clicked

const copiedInfo = document.querySelector(".result__info.left");


// Update Css Props of the COPY button

// Getting the bounds of the result viewbox container

let resultContainerBound = {

left: resultContainer.getBoundingClientRect().left,

top: resultContainer.getBoundingClientRect().top,

};

// This will update the position of the copy button based on mouse Position

resultContainer.addEventListener("mousemove", e => {

resultContainerBound = {

left: resultContainer.getBoundingClientRect().left,

top: resultContainer.getBoundingClientRect().top,

};

copyBtn.style.setProperty("--x", `${e.x - resultContainerBound.left}px`);

copyBtn.style.setProperty("--y", `${e.y - resultContainerBound.top}px`);

});

window.addEventListener("resize", e => {

resultContainerBound = {

left: resultContainer.getBoundingClientRect().left,

top: resultContainer.getBoundingClientRect().top,

};

});


// Copy Password in clipboard

copyBtn.addEventListener("click", () => {

const textarea = document.createElement("textarea");

const password = resultEl.innerText;

if (!password || password == "CLICK GENERATE") {

return;

}

textarea.value = password;

document.body.appendChild(textarea);

textarea.select();

document.execCommand("copy");

textarea.remove();


copyInfo.style.transform = "translateY(200%)";

copyInfo.style.opacity = "0";

copiedInfo.style.transform = "translateY(0%)";

copiedInfo.style.opacity = "0.75";

});


// When Generate is clicked Password id generated.

generateBtn.addEventListener("click", () => {

const length = +lengthEl.value;

const hasLower = lowercaseEl.checked;

const hasUpper = uppercaseEl.checked;

const hasNumber = numberEl.checked;

const hasSymbol = symbolEl.checked;

resultEl.innerText = generatePassword(length, hasLower, hasUpper, hasNumber, hasSymbol);

copyInfo.style.transform = "translateY(0%)";

copyInfo.style.opacity = "0.75";

copiedInfo.style.transform = "translateY(200%)";

copiedInfo.style.opacity = "0";

});


// Function responsible to generate password and then returning it.

function generatePassword(length, lower, upper, number, symbol) {

let generatedPassword = "";

const typesCount = lower + upper + number + symbol;

const typesArr = [{ lower }, { upper }, { number }, { symbol }].filter(item => Object.values(item)[0]);

if (typesCount === 0) {

return "";

}

for (let i = 0; i < length; i++) {

typesArr.forEach(type => {

const funcName = Object.keys(type)[0];

generatedPassword += randomFunc[funcName]();

});

}

return generatedPassword.slice(0, length);

}