Create a conference room scheduler PHP web application.
__MACOSX/._final-2
final-2/login.php
<?php // Initialize the session session_start(); // Check if the user is already logged in, if yes then redirect him to welcome page if(isset($_SESSION["loggedin"]) && $_SESSION["loggedin"] === true){ header("location: welcome.php"); exit; } // Include config file require_once "config.php"; // Define variables and initialize with empty values $username = $password = ""; $username_err = $password_err = ""; // Processing form data when form is submitted if($_SERVER["REQUEST_METHOD"] == "POST"){ // Check if username is empty if(empty(trim($_POST["username"]))){ $username_err = "Please enter username."; } else{ $username = trim($_POST["username"]); } // Check if password is empty if(empty(trim($_POST["password"]))){ $password_err = "Please enter your password."; } else{ $password = trim($_POST["password"]); } // Validate credentials if(empty($username_err) && empty($password_err)){ // Prepare a select statement $sql = "SELECT id, username, password FROM users WHERE username = ?"; if($stmt = mysqli_prepare($link, $sql)){ // Bind variables to the prepared statement as parameters mysqli_stmt_bind_param($stmt, "s", $param_username); // Set parameters $param_username = $username; // Attempt to execute the prepared statement if(mysqli_stmt_execute($stmt)){ // Store result mysqli_stmt_store_result($stmt); // Check if username exists, if yes then verify password if(mysqli_stmt_num_rows($stmt) == 1){ // Bind result variables mysqli_stmt_bind_result($stmt, $id, $username, $hashed_password); if(mysqli_stmt_fetch($stmt)){ if(password_verify($password, $hashed_password)){ // Password is correct, so start a new session session_start(); // Store data in session variables $_SESSION["loggedin"] = true; $_SESSION["id"] = $id; $_SESSION["username"] = $username; // Redirect user to welcome page header("location: welcome.php"); } else{ // Display an error message if password is not valid $password_err = "The password you entered was not valid."; } } } else{ // Display an error message if username doesn't exist $username_err = "No account found with that username."; } } else{ echo "Oops! Something went wrong. Please try again later."; } // Close statement mysqli_stmt_close($stmt); } } // Close connection mysqli_close($link); } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Login</title> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css"> <style type="text/css"> body{ font: 14px sans-serif; } .wrapper{ width: 350px; padding: 20px; } </style> </head> <body> <div class="wrapper"> <h2>Login</h2> <p>Please fill in your credentials to login.</p> <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post"> <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>"> <label>Username</label> <input type="text" name="username" class="form-control" value="<?php echo $username; ?>"> <span class="help-block"><?php echo $username_err; ?></span> </div> <div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>"> <label>Password</label> <input type="password" name="password" class="form-control"> <span class="help-block"><?php echo $password_err; ?></span> </div> <div class="form-group"> <input type="submit" class="btn btn-primary" value="Login"> </div> <p>Don't have an account? <a href="register.php">Sign up now</a>.</p> </form> </div> </body> </html>
__MACOSX/final-2/._login.php
final-2/register.php
<?php // Include config file require_once "config.php"; // Define variables and initialize with empty values $username = $password = $confirm_password = ""; $username_err = $password_err = $confirm_password_err = ""; // Processing form data when form is submitted if($_SERVER["REQUEST_METHOD"] == "POST"){ // Validate username if(empty(trim($_POST["username"]))){ $username_err = "Please enter a username."; } else{ // Prepare a select statement $sql = "SELECT id FROM users WHERE username = ?"; if($stmt = mysqli_prepare($link, $sql)){ // Bind variables to the prepared statement as parameters mysqli_stmt_bind_param($stmt, "s", $param_username); // Set parameters $param_username = trim($_POST["username"]); // Attempt to execute the prepared statement if(mysqli_stmt_execute($stmt)){ /* store result */ mysqli_stmt_store_result($stmt); if(mysqli_stmt_num_rows($stmt) == 1){ $username_err = "This username is already taken."; } else{ $username = trim($_POST["username"]); } } else{ echo "Oops! Something went wrong. Please try again later."; } // Close statement mysqli_stmt_close($stmt); } } // Validate password if(empty(trim($_POST["password"]))){ $password_err = "Please enter a password."; } elseif(strlen(trim($_POST["password"])) < 6){ $password_err = "Password must have atleast 6 characters."; } else{ $password = trim($_POST["password"]); } // Validate confirm password if(empty(trim($_POST["confirm_password"]))){ $confirm_password_err = "Please confirm password."; } else{ $confirm_password = trim($_POST["confirm_password"]); if(empty($password_err) && ($password != $confirm_password)){ $confirm_password_err = "Password did not match."; } } // Check input errors before inserting in database if(empty($username_err) && empty($password_err) && empty($confirm_password_err)){ // Prepare an insert statement $sql = "INSERT INTO users (username, password) VALUES (?, ?)"; if($stmt = mysqli_prepare($link, $sql)){ // Bind variables to the prepared statement as parameters mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password); // Set parameters $param_username = $username; $param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash // Attempt to execute the prepared statement if(mysqli_stmt_execute($stmt)){ // Redirect to login page header("location: login.php"); } else{ echo "Something went wrong. Please try again later."; } // Close statement mysqli_stmt_close($stmt); } } // Close connection mysqli_close($link); } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Sign Up</title> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css"> <style type="text/css"> body{ font: 14px sans-serif; } .wrapper{ width: 350px; padding: 20px; } </style> </head> <body> <div class="wrapper"> <h2>Sign Up</h2> <p>Please fill this form to create an account.</p> <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post"> <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>"> <label>Username</label> <input type="text" name="username" class="form-control" value="<?php echo $username; ?>"> <span class="help-block"><?php echo $username_err; ?></span> </div> <div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>"> <label>Password</label> <input type="password" name="password" class="form-control" value="<?php echo $password; ?>"> <span class="help-block"><?php echo $password_err; ?></span> </div> <div class="form-group <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>"> <label>Confirm Password</label> <input type="password" name="confirm_password" class="form-control" value="<?php echo $confirm_password; ?>"> <span class="help-block"><?php echo $confirm_password_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>
__MACOSX/final-2/._register.php
final-2/logout.php
<?php // Initialize the session session_start(); // Unset all of the session variables $_SESSION = array(); // Destroy the session. session_destroy(); // Redirect to login page header("location: login.php"); exit; ?>
__MACOSX/final-2/._logout.php
final-2/config.php
<?php /* Database credentials. Assuming you are running MySQL server with default setting (user 'root' with no password) */ define('DB_SERVER', 'localhost'); define('DB_USERNAME', 'root'); define('DB_PASSWORD', ''); define('DB_NAME', 'demo'); /* Attempt to connect to MySQL database */ $link = mysqli_connect('localhost', 'micdim1_db2', 'Dallas@1997', 'micdim1_db2'); // Check connection if($link === false){ die("ERROR: Could not connect. " . mysqli_connect_error()); } ?>
__MACOSX/final-2/._config.php
final-2/welcome.php
<?php /* Attempt to connect to MySQL database */ $link = mysqli_connect('localhost', 'micdim1_db2', 'Dallas@1997', 'micdim1_db2'); // Check connection if($link === false){ die("ERROR: Could not connect. " . mysqli_connect_error()); } mysqli_select_db($link, "conferenceRoom"); // Initialize the session session_start(); // Check if the user is logged in, if not then redirect him to login page if(!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true){ header("location: login.php"); exit; } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Welcome</title> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css"> <style type="text/css"> body{ font: 14px sans-serif; text-align: center; } </style> </head> <body> <div class="page-header"> <h1>Hi, <b><?php echo htmlspecialchars($_SESSION["username"]); ?></b>. Book your room.</h1> </div> <form name="reservation" action="" method="post"> <label for="user"><b>User: </b><?php echo htmlspecialchars($_SESSION["username"]); ?></label><br> <label for="dropdown">Please select conference room: </label> <select> <?php $res = mysqli_query($link, "SELECT roomID FROM conferenceRoom"); while($row = mysqli_fetch_array($res)) { ?> <option><?php echo $row["roomID"]; ?></option> <?php } ?> </select><br> <label for="startTime">Please select reservation time:</label> <label for="endTime"></label> </form> <p> <a href="logout.php" class="btn btn-danger">Log Out</a> </p> </body> </html>