From dbc99640378d4e7028f14a02bebca88009cb782d Mon Sep 17 00:00:00 2001
From: sreebhattacharyya <56808654+sreebhattacharyya@users.noreply.github.com>
Date: Wed, 27 Nov 2019 22:17:06 +0530
Subject: [PATCH] Add files via upload

---
 signup.php | 145 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 signup.php
diff --git a/signup.php b/signup.php
new file mode 100644
index 0000000..f170ced
--- /dev/null
+++ b/signup.php
@@ -0,0 +1,145 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8">
+        <title></title>
+    </head>
+    <body>
+    <?php
+        require_once 'connect.php';
+        
+
+ 
+
+        $uname = $pw = $confirm_pw = "";
+        $uname_err = $pw_err = $confirm_pw_err = "";
+
+
+        if($_SERVER["REQUEST_METHOD"] == "POST"){
+
+
+            if(empty(trim($_POST["username"]))){
+                $uname_err = "Please enter a username.";
+            } else{
+
+                $sql = "SELECT id FROM users WHERE username = ?";
+
+                if($stmt = mysqli_prepare($link, $sql)){
+
+                    mysqli_stmt_bind_param($stmt, "s", $param_username);
+
+
+                    $param_username = trim($_POST["username"]);
+
+
+                    if(mysqli_stmt_execute($stmt)){
+
+                        mysqli_stmt_store_result($stmt);
+
+                        if(mysqli_stmt_num_rows($stmt) == 1){
+                            $uname_err = "This username is already taken.";
+                        } else{
+                            $uname = trim($_POST["username"]);
+                        }
+                    } else{
+                        echo "Oops! Something went wrong. Please try again later.";
+                    }
+                }
+
+
+                mysqli_stmt_close($stmt);
+            }
+
+
+            if(empty(trim($_POST["password"]))){
+                $pw_err = "Please enter a password.";     
+            } elseif(strlen(trim($_POST["password"])) < 6){
+                $pw_err = "Password must have atleast 6 characters.";
+            } else{
+                $pw = trim($_POST["password"]);
+            }
+
+               if(empty(trim($_POST["confirm_password"]))){
+                $confirm_pw_err = "Please confirm password.";     
+                }
+                else{
+                $confirm_pw = trim($_POST["confirm_password"]);
+                if(empty($pw_err) && ($pw != $confirm_pw)){
+                    $confirm_pw_err = "Password did not match.";
+                }
+            }
+
+
+            if(empty($uname_err) && empty($pw_err) && empty($confirm_pw_err)){
+
+
+                $sql = "INSERT INTO users (username, password) VALUES (?, ?)";
+
+                if($stmt = mysqli_prepare($link, $sql)){
+                    
+                    mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password);
+
+                    $param_username = $uname;
+                    $param_password = password_hash($pw, PASSWORD_DEFAULT); 
+
+                    if(mysqli_stmt_execute($stmt)){
+
+                        header("location: login.php");
+                    } else{
+                        echo "Something went wrong. Please try again later.";
+                    }
+                }
+                mysqli_stmt_close($stmt);
+            }
+
+            mysqli_close($link);
+        }
+    ?>
+ 
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Sign Up</title>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css">
+    <style type="text/css">
+        
+        body{ font: 14px sans-serif; }
+        h2 {background-color:powderblue; color: grey;}
+        .wrapper{ width: 350px; padding: 20px; }
+    </style>
+</head>
+<body>
+    <div class="wrapper">
+        <h2>Sign Up to <b>SHIKSHA</b></h2>
+        <p>Please fill this form to create an account.</p>
+        <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
+            <div class="form-group <?php echo (!empty($uname_err)) ? 'has-error' : ''; ?>">
+                <label>Username</label>
+                <input type="text" name="username" class="form-control" value="<?php echo $uname; ?>">
+                <span class="help-block"><?php echo $uname_err; ?></span>
+            </div>    
+            <div class="form-group <?php echo (!empty($pw_err)) ? 'has-error' : ''; ?>">
+                <label>Password</label>
+                <input type="password" name="password" class="form-control" value="<?php echo $pw; ?>">
+                <span class="help-block"><?php echo $pw_err; ?></span>
+            </div>
+            <div class="form-group <?php echo (!empty($confirm_pw_err)) ? 'has-error' : ''; ?>">
+                <label>Confirm Password</label>
+                <input type="password" name="confirm_password" class="form-control" value="<?php echo $confirm_pw; ?>">
+                <span class="help-block"><?php echo $confirm_pw_err; ?></span>
+            </div>
+            <div class="form-group">
+                <input type="submit" class="btn btn-primary" value="Submit">
+                <input type="reset" class="btn btn-default" value="Reset">
+            </div>
+            <p>Already have an account? <a href="login.php">Login here</a>.</p>
+        </form>
+    </div>    
+</body>
+</html>
+
+
+        
+       
+ 
\ No newline at end of file
