Authentication

What is CSS?

1) CSS Stand for Cascading Style Sheets
2) CSS describes how HTML elements are to be displayed on screen, paper or in other media
3) CSS saves a lot of work. It can control the layout of multiple web pages all at once
4) External stylesheets are stored in CSS files
5) Types of CSS :
(a) Inline CSS : Inline CSS contains the CSS property in the body section attached with element is known as inline CSS.
(b) Internal CSS : This can be used when a single HTML document must be styled uniquely.
(c) External CSS : External CSS contains separate CSS file which contains only property with the help of tag attributes.

User Registration

1) User registration is used to register your user on your website by using registration form.
2) By keeping user registration on your website, you can validate that the user is valid or it already existing user of your website.

User Login

1) User login is used to manage the user profile.
2) User login works on session management, while doing login user can manage his account.
3) For login first user must to do registration in particular website to manage his account.

Session Management

1) A session is a mechanism to store information on the server side during the interaction with the web application.
2) In Django, by default session stores in the database and also allows file-based and cache based sessions. It is implemented via a piece of middleware and can be enabled by using the following code.
3) Put django.contrib.sessions.middleware.SessionMiddleware in MIDDLEWARE and django.contrib.sessions in INSTALLED_APPS of settings.py file.
4) To set and get the session in views, we can use request.session and can set multiple time too.

#register.html

<!DOCTYPE html>
<html>
<head>
<title>Creative Colorlib SignUp Form</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="application/x-javascript"> addEventListener("load", function() { setTimeout(hideURLbar, 0); }, false); function hideURLbar(){ window.scrollTo(0,1); } </script>
<!-- Custom Theme files -->
<link href="css/style.css" rel="stylesheet" type="text/css" media="all" />
<!-- //Custom Theme files -->
<!-- web font -->
<link href="//fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i" rel="stylesheet">
<!-- //web font -->
</head>
<body>
	<!-- main -->
	<div class="main-w3layouts wrapper">
		<h1>Creative SignUp Form</h1>
		<div class="main-agileinfo">
			<div class="agileits-top">
				<form action="#" method="post">
					<input class="text" type="text" name="Username" placeholder="Username" required="">
					<input class="text email" type="email" name="email" placeholder="Email" required="">
					<input class="text" type="password" name="password" placeholder="Password" required="">
					<input class="text w3lpass" type="password" name="password" placeholder="Confirm Password" required="">
					<div class="wthree-text">
						<label class="anim">
							<input type="checkbox" class="checkbox" required="">
							<span>I Agree To The Terms & Conditions</span>
						</label>
						<div class="clear"> </div>
					</div>
					<input type="submit" value="SIGNUP">
				</form>
				<p>Don't have an Account? <a href="#"> Login Now!</a></p>
			</div>
		</div>
		<!-- copyright -->
		<div class="colorlibcopy-agile">
			<p>© 2018 Colorlib Signup Form. All rights reserved | Design by <a href="https://colorlib.com/" target="_blank">Colorlib</a></p>
		</div>
		<!-- //copyright -->
		<ul class="colorlib-bubbles">
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
		</ul>
	</div>
	<!-- //main -->
</body>
</html>

#login.html

<!DOCTYPE html>
<html>
<head>
<title>SignIn Form</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="application/x-javascript"> addEventListener("load", function() { setTimeout(hideURLbar, 0); }, false); function hideURLbar(){ window.scrollTo(0,1); } </script>
<!-- Custom Theme files -->
<link href="css/style.css" rel="stylesheet" type="text/css" media="all" />
<!-- //Custom Theme files -->
<!-- web font -->
<link href="//fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i" rel="stylesheet">
<!-- //web font -->
</head>
<body>
	<!-- main -->
	<div class="main-w3layouts wrapper">
		<h1>SignIn Form</h1>
		<div class="main-agileinfo">
			<div class="agileits-top">
				<form action="#" method="post">
					<input class="text" type="text" name="Username" placeholder="Username" required="">
					<input class="text email" type="email" name="email" placeholder="Email" required="">
					<input class="text" type="password" name="password" placeholder="Password" required="">
					<input class="text w3lpass" type="password" name="password" placeholder="Confirm Password" required="">
					<div class="wthree-text">
						<label class="anim">
							<input type="checkbox" class="checkbox" required="">
							<span>I Agree To The Terms & Conditions</span>
						</label>
						<div class="clear"> </div>
					</div>
					<input type="submit" value="SIGNUP">
				</form>
				<p>Don't have an Account? <a href="#"> Login Now!</a></p>
			</div>
		</div>
		<!-- copyright -->
		<div class="colorlibcopy-agile">
			<p>© 2018 Colorlib Signup Form. All rights reserved | Design by <a href="https://colorlib.com/" target="_blank">Colorlib</a></p>
		</div>
		<!-- //copyright -->
		<ul class="colorlib-bubbles">
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
		</ul>
	</div>
	<!-- //main -->
</body>
</html>

#home.html #style.css

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, dl, dt, dd, ol, nav ul, nav li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  display: block;
}

ol, ul {
  list-style: none;
  margin: 0px;
  padding: 0px;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after, q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/*-- start editing from here --*/
a {
  text-decoration: none;
}

.txt-rt {
  text-align: right;
}

/* text align right */
.txt-lt {
  text-align: left;
}

/* text align left */
.txt-center {
  text-align: center;
}

/* text align center */
.float-rt {
  float: right;
}

/* float right */
.float-lt {
  float: left;
}

/* float left */
.clear {
  clear: both;
}

/* clear float */
.pos-relative {
  position: relative;
}

/* Position Relative */
.pos-absolute {
  position: absolute;
}

/* Position Absolute */
.vertical-base {
  vertical-align: baseline;
}

/* vertical align baseline */
.vertical-top {
  vertical-align: top;
}

/* vertical align top */
nav.vertical ul li {
  display: block;
}

/* vertical menu */
nav.horizontal ul li {
  display: inline-block;
}

/* horizontal menu */
img {
  max-width: 100%;
}

/*-- end reset --*/
body {
  background: #76b852;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to top, #76b852, #8DC26F);
  background: -moz-linear-gradient(to top, #76b852, #8DC26F);
  background: -o-linear-gradient(to top, #76b852, #8DC26F);
  background: linear-gradient(to top, #76b852, #8DC26F);
  background-size: cover;
  background-attachment: fixed;
  font-family: 'Roboto', sans-serif;
}

h1 {
  font-size: 3em;
  text-align: center;
  color: #fff;
  font-weight: 100;
  text-transform: capitalize;
  letter-spacing: 4px;
  font-family: 'Roboto', sans-serif;
}

/*-- main --*/
.main-w3layouts {
  padding: 3em 0 1em;
}

.main-agileinfo {
  width: 35%;
  margin: 3em auto;
  background: rgba(0, 0, 0, 0.18);
  background-size: cover;
}

.agileits-top {
  padding: 3em;
}

input[type="text"], input[type="email"], input[type="password"] {
  font-size: 0.9em;
  color: #fff;
  font-weight: 100;
  width: 94.5%;
  display: block;
  border: none;
  padding: 0.8em;
  border: solid 1px rgba(255, 255, 255, 0.37);
  -webkit-transition: all 0.3s cubic-bezier(0.64, 0.09, 0.08, 1);
  transition: all 0.3s cubic-bezier(0.64, 0.09, 0.08, 1);
  background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 96%, #fff 4%);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 96%, #fff 4%);
  background-position: -800px 0;
  background-size: 100%;
  background-repeat: no-repeat;
  color: #fff;
  font-family: 'Roboto', sans-serif;
}

input.email, input.text.w3lpass {
  margin: 2em 0;
}

.text:focus, .text:valid {
  box-shadow: none;
  outline: none;
  background-position: 0 0;
}

.text:focus::-webkit-input-placeholder, .text:valid::-webkit-input-placeholder {
  color: rgba(255, 255, 255, 0.7);
  font-size: .9em;
  -webkit-transform: translateY(-30px);
  -moz-transform: translateY(-30px);
  -o-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  transform: translateY(-30px);
  visibility: visible !important;
}

::-webkit-input-placeholder {
  color: #fff;
  font-weight: 100;
}

:-moz-placeholder {
  /* Firefox 18- */
  color: #fff;
}

::-moz-placeholder {
  /* Firefox 19+ */
  color: #fff;
}

:-ms-input-placeholder {
  color: #fff;
}

input[type="submit"] {
  font-size: .9em;
  color: #fff;
  background: #76b852;
  outline: none;
  border: 1px solid #76b852;
  cursor: pointer;
  padding: 0.9em;
  -webkit-appearance: none;
  width: 100%;
  margin: 2em 0;
  letter-spacing: 4px;
}

input[type="submit"]:hover {
  -webkit-transition: .5s all;
  -moz-transition: .5s all;
  -o-transition: .5s all;
  -ms-transition: .5s all;
  transition: .5s all;
  background: #8DC26F;
}

.agileits-top p {
  font-size: 1em;
  color: #fff;
  text-align: center;
  letter-spacing: 1px;
  font-weight: 300;
}

.agileits-top p a {
  color: #fff;
  -webkit-transition: .5s all;
  -moz-transition: .5s all;
  transition: .5s all;
  font-weight: 400;
}

.agileits-top p a:hover {
  color: #76b852;
}

/*-- //main --*/
/*-- checkbox --*/
.wthree-text label {
  font-size: 0.9em;
  color: #fff;
  font-weight: 200;
  cursor: pointer;
  position: relative;
}

input.checkbox {
  background: #8DC26F;
  cursor: pointer;
  width: 1.2em;
  height: 1.2em;
}

input.checkbox:before {
  content: "";
  position: absolute;
  width: 1.2em;
  height: 1.2em;
  background: inherit;
  cursor: pointer;
}

input.checkbox:after {
  content: "";
  position: absolute;
  top: 0px;
  left: 0;
  z-index: 1;
  width: 1.2em;
  height: 1.2em;
  border: 1px solid #fff;
  -webkit-transition: .4s ease-in-out;
  -moz-transition: .4s ease-in-out;
  -o-transition: .4s ease-in-out;
  transition: .4s ease-in-out;
}

input.checkbox:checked:after {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
  height: .5rem;
  border-color: #fff;
  border-top-color: transparent;
  border-right-color: transparent;
}

.anim input.checkbox:checked:after {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
  height: .5rem;
  border-color: transparent;
  border-right-color: transparent;
  animation: .4s rippling .4s ease;
  animation-fill-mode: forwards;
}

@keyframes rippling {
  50% {
    border-left-color: #fff;
  }

  100% {
    border-bottom-color: #fff;
    border-left-color: #fff;
  }
}

/*-- //checkbox --*/
/*-- copyright --*/
.colorlibcopy-agile {
  margin: 2em 0 1em;
  text-align: center;
}

.colorlibcopy-agile p {
  font-size: .9em;
  color: #fff;
  line-height: 1.8em;
  letter-spacing: 1px;
  font-weight: 100;
}

.colorlibcopy-agile p a {
  color: #fff;
  transition: 0.5s all;
  -webkit-transition: 0.5s all;
  -moz-transition: 0.5s all;
  -o-transition: 0.5s all;
  -ms-transition: 0.5s all;
}

.colorlibcopy-agile p a:hover {
  color: #000;
}

/*-- //copyright --*/
.wrapper {
  position: relative;
  overflow: hidden;
}

.colorlib-bubbles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.colorlib-bubbles li {
  position: absolute;
  list-style: none;
  display: block;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.15);
  bottom: -160px;
  -webkit-animation: square 20s infinite;
  -moz-animation: square 250s infinite;
  -o-animation: square 20s infinite;
  -ms-animation: square 20s infinite;
  animation: square 20s infinite;
  -webkit-transition-timing-function: linear;
  -moz-transition-timing-function: linear;
  -o-transition-timing-function: linear;
  -ms-transition-timing-function: linear;
  transition-timing-function: linear;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -o-border-radius: 50%;
  -ms-border-radius: 50%;
  border-radius: 50%;
}

.colorlib-bubbles li:nth-child(1) {
  left: 10%;
}

.colorlib-bubbles li:nth-child(2) {
  left: 20%;
  width: 80px;
  height: 80px;
  -webkit-animation-delay: 2s;
  -moz-animation-delay: 2s;
  -o-animation-delay: 2s;
  -ms-animation-delay: 2s;
  animation-delay: 2s;
  -webkit-animation-duration: 17s;
  -moz-animation-duration: 17s;
  -o-animation-duration: 17s;
  animation-duration: 17s;
}

.colorlib-bubbles li:nth-child(3) {
  left: 25%;
  -webkit-animation-delay: 4s;
  -moz-animation-delay: 4s;
  -o-animation-delay: 4s;
  -ms-animation-delay: 4s;
  animation-delay: 4s;
}

.colorlib-bubbles li:nth-child(4) {
  left: 40%;
  width: 60px;
  height: 60px;
  -webkit-animation-duration: 22s;
  -moz-animation-duration: 22s;
  -o-animation-duration: 22s;
  -ms-animation-duration: 22s;
  animation-duration: 22s;
  background-color: rgba(255, 255, 255, 0.25);
}

.colorlib-bubbles li:nth-child(5) {
  left: 70%;
}

.colorlib-bubbles li:nth-child(6) {
  left: 80%;
  width: 120px;
  height: 120px;
  -webkit-animation-delay: 3s;
  -moz-animation-delay: 3s;
  -o-animation-delay: 3s;
  -ms-animation-delay: 3s;
  animation-delay: 3s;
  background-color: rgba(255, 255, 255, 0.2);
}

.colorlib-bubbles li:nth-child(7) {
  left: 32%;
  width: 160px;
  height: 160px;
  -webkit-animation-delay: 7s;
  -moz-animation-delay: 7s;
  -o-animation-delay: 7s;
  -ms-animation-delay: 7s;
  animation-delay: 7s;
}

.colorlib-bubbles li:nth-child(8) {
  left: 55%;
  width: 20px;
  height: 20px;
  -webkit-animation-delay: 15s;
  -moz-animation-delay: 15s;
  animation-delay: 15s;
  -webkit-animation-duration: 40s;
  -moz-animation-duration: 40s;
  animation-duration: 40s;
}

.colorlib-bubbles li:nth-child(9) {
  left: 25%;
  width: 10px;
  height: 10px;
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
  -webkit-animation-duration: 40s;
  animation-duration: 40s;
  background-color: rgba(255, 255, 255, 0.3);
}

.colorlib-bubbles li:nth-child(10) {
  left: 90%;
  width: 160px;
  height: 160px;
  -webkit-animation-delay: 11s;
  animation-delay: 11s;
}

@-webkit-keyframes square {
  0% {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -o-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }

  100% {
    -webkit-transform: translateY(-700px) rotate(600deg);
    -moz-transform: translateY(-700px) rotate(600deg);
    -o-transform: translateY(-700px) rotate(600deg);
    -ms-transform: translateY(-700px) rotate(600deg);
    transform: translateY(-700px) rotate(600deg);
  }
}

@keyframes square {
  0% {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -o-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }

  100% {
    -webkit-transform: translateY(-700px) rotate(600deg);
    -moz-transform: translateY(-700px) rotate(600deg);
    -o-transform: translateY(-700px) rotate(600deg);
    -ms-transform: translateY(-700px) rotate(600deg);
    transform: translateY(-700px) rotate(600deg);
  }
}

/*-- responsive-design --*/
@media(max-width:1440px) {
  input[type="text"], input[type="email"], input[type="password"] {
    width: 94%;
  }
}

@media(max-width:1366px) {
  h1 {
    font-size: 2.6em;
  }

  .agileits-top {
    padding: 2.5em;
  }

  .main-agileinfo {
    margin: 2em auto;
  }

  .main-agileinfo {
    width: 36%;
  }
}

@media(max-width:1280px) {
  .main-agileinfo {
    width: 40%;
  }
}

@media(max-width:1080px) {
  .main-agileinfo {
    width: 46%;
  }
}

@media(max-width:1024px) {
  .main-agileinfo {
    width: 49%;
  }
}

@media(max-width:991px) {
  h1 {
    font-size: 2.4em;
  }

  .main-w3layouts {
    padding: 2em 0 1em;
  }
}

@media(max-width:900px) {
  .main-agileinfo {
    width: 58%;
  }

  input[type="text"], input[type="email"], input[type="password"] {
    width: 93%;
  }
}

@media(max-width:800px) {
  h1 {
    font-size: 2.2em;
  }
}

@media(max-width:736px) {
  .main-agileinfo {
    width: 62%;
  }
}

@media(max-width:667px) {
  .main-agileinfo {
    width: 67%;
  }
}

@media(max-width:600px) {
  .agileits-top {
    padding: 2.2em;
  }

  input.email, input.text.w3lpass {
    margin: 1.5em 0;
  }

  input[type="submit"] {
    margin: 2em 0;
  }

  h1 {
    font-size: 2em;
    letter-spacing: 3px;
  }
}

@media(max-width:568px) {
  .main-agileinfo {
    width: 75%;
  }

  .colorlibcopy-agile p {
    padding: 0 2em;
  }
}

@media(max-width:480px) {
  h1 {
    font-size: 1.8em;
    letter-spacing: 3px;
  }

  .agileits-top {
    padding: 1.8em;
  }

  input[type="text"], input[type="email"], input[type="password"] {
    width: 91%;
  }

  .agileits-top p {
    font-size: 0.9em;
  }
}

@media(max-width:414px) {
  h1 {
    font-size: 1.8em;
    letter-spacing: 2px;
  }

  .main-agileinfo {
    width: 85%;
    margin: 1.5em auto;
  }

  .text:focus, .text:valid {
    background-position: 0 0px;
  }

  .wthree-text ul li, .wthree-text ul li:nth-child(2) {
    display: block;
    float: none;
  }

  .wthree-text ul li:nth-child(2) {
    margin-top: 1.5em;
  }

  input[type="submit"] {
    margin: 2em 0 1.5em;
    letter-spacing: 3px;
  }

  input[type="submit"] {
    margin: 2em 0 1.5em;
  }

  .colorlibcopy-agile {
    margin: 1em 0 1em;
  }
}

@media(max-width:384px) {
  .main-agileinfo {
    width: 88%;
  }

  .colorlibcopy-agile p {
    padding: 0 1em;
  }
}

@media(max-width:375px) {
  .agileits-top p {
    letter-spacing: 0px;
  }
}

@media(max-width:320px) {
  .main-w3layouts {
    padding: 1.5em 0 0;
  }

  .agileits-top {
    padding: 1.2em;
  }

  .colorlibcopy-agile {
    margin: 0 0 1em;
  }

  input[type="text"], input[type="email"], input[type="password"] {
    width: 89.5%;
    font-size: 0.85em;
  }

  h1 {
    font-size: 1.7em;
    letter-spacing: 0px;
  }

  .main-agileinfo {
    width: 92%;
    margin: 1em auto;
  }

  .text:focus, .text:valid {
    background-position: 0 0px;
  }

  input[type="submit"] {
    margin: 1.5em 0;
    padding: 0.8em;
    font-size: .85em;
  }

  .colorlibcopy-agile p {
    font-size: .85em;
  }

  .wthree-text label {
    font-size: 0.85em;
  }

  .main-w3layouts {
    padding: 1em 0 0;
  }
}

#view.py

from django.shortcuts import render
form .models import*
#Create your views here
def RegisterPage(request):
    return render(request,"register.html")
#view for user registration
def UserRegister(request):
    fname=request.POST['fname']
    lname=request.POST['lname']
    email=request.POST['email']
    contact=request.POST['contact']
    password=request.POST['password']
    cpassword=request.POST['cpassword']
#first we will validate that user already exist
    user=User.objects.filter(Email=email)
    if user:
       message="User already exist"
       return render(request,"register.html",{'msg':message})
    else:
       if password==cpassword:
           newuser=User.objects.create(Firstname=fname, Lastname=lname, Email=email, Contact=contact, Password=password)
          message="User register Successfully"
      else:
          message="Password and Comfirm Password Doesnot Match"
          return render(request,"register.html",{'msg':message})
#login views
def LoginPage(request):
    return render(request,"login.html")
#login user
def LoginUser(request):
    if request.method=="POST":
    email=request.post('email')
    password=request.POST('password')
    #check the email id database
    user=user.objects.get(Eamil=email)
    if user:
       if user.Password==password:
            #we are getting user data in session
            request.session['Firstname']=user.Firstname
            request.session['Lastname']=user.Lastname
            request.session['Email']=user.Email
            return render(request,"home.html")
       else:
           message="Password does not match"
           return render(request,"login.html",{'msg':message})
    else:
        message="User does not exist"
        return render(request,"register.html",{'msg':message})

#urls.py

Authentication

What is CSS?

User Registration

User Login

Session Management

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