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<?php
/*
Displays the login page and possible errors. Users can enter their username and password to login. TODO recover Password --why?
It has already been checked that the user isn't already logged in.
$case can have the following values:
LOGIN_PASSWORD: Specifies that the username and password didn't match. The user is not logged in.
LOGIN_DATABASE: Specifies that the request could not be fullfilled due to a database error. The user is not logged in.
LOGOUT_SUCCESSFULL: Specifies that user has been logged out.
$_GET["username"] contains the username if a prior attempt to login wasn't successfull.
==================================================================================================================================================
*/
function print_login($case){
include("static/header.html");
$username = isset($_POST['username']) ? $_POST['username'] : "";
$message = "";
switch($case){
case(LOGIN_PASSWORD):
$message = '<h1 id="login-error"> Invalid username or password </h1>
';
break;
case(LOGIN_DATABASE):
$message = '<h1 id="login-error"> Internal Error. Please contact admin</h1>
';
break;
case(LOGOUT_SUCCESSFULL):
$message = '<h1 id="logout-message"> Sucessfully logged out.</h1>
';
break;
}
echo '<link rel="stylesheet" type="text/css" href="/static/login.css">
<div class="login-area">
<h1 class="login-area"> Log in </h1>
<div class="login-area" id="login-info-bar">'
.$message.
'</div>
<form id="login-form" method="post" action="/login">
<input type="text" placeholder="username" name="username" id="username-input" class="login-input" value="'. $username .'" autofocus required>
<input type="password" placeholder="password" name="password" id="password-input" class="login-input" required>
<input type="submit" name="login" id="button-input" class="login-input" value="login">
<a href="/password_recover" id="recover-password-link">recover password</a>
</form>
</div>';
include("static/footer.html");
}
?>
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