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<?php
error_reporting(E_ALL); ini_set('display_errors', 1);
session_start(); // this MUST be called prior to any output including whitespaces and line breaks!
$GLOBALS['DEBUG_MODE'] = 1; // CHANGE TO 0 TO TURN OFF DEBUG MODE // IN DEBUG MODE, ONLY THE CAPTCHA CODE IS VALIDATED, AND NO EMAIL IS SENT
$GLOBALS['ct_recipient'] = 'YOU@EXAMPLE.COM'; // Change to your email address! Make sure DEBUG_MODE above is 0 for mail to send! $GLOBALS['ct_msg_subject'] = 'Securimage Test Contact Form';
?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="Content-type" content="text/html;charset=UTF-8"> <title>Securimage Example Form</title> <link rel="stylesheet" href="securimage.css" media="screen"> <style type="text/css"> <!-- div.error { display: block; color: #f00; font-weight: bold; font-size: 1.2em; } span.error { display: block; color: #f00; font-style: italic; } .success { color: #00f; font-weight: bold; font-size: 1.2em; } form label { display: block; font-weight: bold; } fieldset { width: 90%; } legend { font-size: 24px; } .note { font-size: 18px; --> </style> </head> <body>
<fieldset> <legend>Example Form</legend>
<p class="note"> This is an example PHP form that processes user information, checks for errors, and validates the captcha code.<br /> This example form also demonstrates how to submit a form to itself to display error messages. </p>
<?php
process_si_contact_form(); // Process the form, if it was submitted
if (isset($_SESSION['ctform']['error']) && $_SESSION['ctform']['error'] == true): /* The last form submission had 1 or more errors */ ?> <div class="error">There was a problem with your submission. Errors are displayed below in red.</div><br> <?php elseif (isset($_SESSION['ctform']['success']) && $_SESSION['ctform']['success'] == true): /* form was processed successfully */ ?> <div class="success">The captcha was correct and the message has been sent! The captcha was solved in <?php echo $_SESSION['ctform']['timetosolve'] ?> seconds.</div><br /> <?php endif; ?>
<form method="post" action="<?php echo htmlspecialchars($_SERVER['REQUEST_URI'] . $_SERVER['QUERY_STRING']) ?>" id="contact_form"> <input type="hidden" name="do" value="contact">
<p> <label for="ct_name">Name*:</label> <?php echo @$_SESSION['ctform']['name_error'] ?> <input type="text" id="ct_name" name="ct_name" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_name']) ?>"> </p>
<p> <label for="ct_email">Email*:</label> <?php echo @$_SESSION['ctform']['email_error'] ?> <input type="text" id="ct_email" name="ct_email" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_email']) ?>"> </p>
<p> <label for="ct_URL">URL:</label> <?php echo @$_SESSION['ctform']['URL_error'] ?> <input type="text" id="ct_URL" name="ct_URL" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_URL']) ?>"> </p>
<p> <label for="ct_message">Message*:</label> <?php echo @$_SESSION['ctform']['message_error'] ?> <textarea id="ct_message" name="ct_message" rows="12" cols="60"><?php echo htmlspecialchars(@$_SESSION['ctform']['ct_message']) ?></textarea> </p>
<div> <?php // show captcha HTML using Securimage::getCaptchaHtml() require_once 'securimage.php'; $options = array(); $options['input_name'] = 'ct_captcha'; // change name of input element for form post $options['disable_flash_fallback'] = false; // allow flash fallback
if (!empty($_SESSION['ctform']['captcha_error'])) { // error html to show in captcha output $options['error_html'] = $_SESSION['ctform']['captcha_error']; }
echo "<div id='captcha_container_1'>\n"; echo Securimage::getCaptchaHtml($options); echo "\n</div>\n";
/* // To render some or all captcha components individually $options['input_name'] = 'ct_captcha_2'; $options['image_id'] = 'ct_captcha_2'; $options['input_id'] = 'ct_captcha_2'; $options['namespace'] = 'captcha2';
echo "<br>\n<div id='captcha_container_2'>\n"; echo Securimage::getCaptchaHtml($options, Securimage::HTML_IMG);
echo Securimage::getCaptchaHtml($options, Securimage::HTML_ICON_REFRESH); echo Securimage::getCaptchaHtml($options, Securimage::HTML_AUDIO);
echo '<div style="clear: both"></div>';
echo Securimage::getCaptchaHtml($options, Securimage::HTML_INPUT_LABEL); echo Securimage::getCaptchaHtml($options, Securimage::HTML_INPUT); echo "\n</div>"; */ ?> </div>
<p> <br> <input type="submit" value="Submit Message"> </p>
</form> </fieldset>
</body> </html>
<?php
// The form processor PHP code function process_si_contact_form() { $_SESSION['ctform'] = array(); // re-initialize the form session data
if ($_SERVER['REQUEST_METHOD'] == 'POST' && @$_POST['do'] == 'contact') { // if the form has been submitted
foreach($_POST as $key => $value) { if (!is_array($key)) { // sanitize the input data if ($key != 'ct_message') $value = strip_tags($value); $_POST[$key] = htmlspecialchars(stripslashes(trim($value))); } }
$name = @$_POST['ct_name']; // name from the form $email = @$_POST['ct_email']; // email from the form $URL = @$_POST['ct_URL']; // url from the form $message = @$_POST['ct_message']; // the message from the form $captcha = @$_POST['ct_captcha']; // the user's entry for the captcha code $name = substr($name, 0, 64); // limit name to 64 characters
$errors = array(); // initialize empty error array
if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) { // only check for errors if the form is not in debug mode
if (strlen($name) < 3) { // name too short, add error $errors['name_error'] = 'Your name is required'; }
if (strlen($email) == 0) { // no email address given $errors['email_error'] = 'Email address is required'; } else if ( !preg_match('/^(?:[\w\d-]+\.?)+@(?:(?:[\w\d]\-?)+\.)+\w{2,63}$/i', $email)) { // invalid email format $errors['email_error'] = 'Email address entered is invalid'; }
if (strlen($message) < 20) { // message length too short $errors['message_error'] = 'Your message must be longer than 20 characters'; } }
// Only try to validate the captcha if the form has no errors // This is especially important for ajax calls if (sizeof($errors) == 0) { require_once dirname(__FILE__) . '/securimage.php'; $securimage = new Securimage();
if ($securimage->check($captcha) == false) { $errors['captcha_error'] = 'Incorrect security code entered<br />'; } }
if (sizeof($errors) == 0) { // no errors, send the form $time = date('r'); $message = "A message was submitted from the contact form. The following information was provided.<br /><br />" . "<em>Name: $name</em><br />" . "<em>Email: $email</em><br />" . "<em>URL: $URL</em><br />" . "<em>Message:</em><br />" . "<pre>$message</pre>" . "<br /><br /><em>IP Address:</em> {$_SERVER['REMOTE_ADDR']}<br />" . "<em>Time:</em> $time<br />" . "<em>Browser:</em> " . htmlspecialchars($_SERVER['HTTP_USER_AGENT']) . "<br />";
$message = wordwrap($message, 70);
if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) { // send the message with mail() mail($GLOBALS['ct_recipient'], $GLOBALS['ct_msg_subject'], $message, "From: {$GLOBALS['ct_recipient']}\r\nReply-To: {$email}\r\nContent-type: text/html; charset=UTF-8\r\nMIME-Version: 1.0"); }
$_SESSION['ctform']['timetosolve'] = $securimage->getTimeToSolve(); $_SESSION['ctform']['error'] = false; // no error with form $_SESSION['ctform']['success'] = true; // message sent } else { // save the entries, this is to re-populate the form $_SESSION['ctform']['ct_name'] = $name; // save name from the form submission $_SESSION['ctform']['ct_email'] = $email; // save email $_SESSION['ctform']['ct_URL'] = $URL; // save URL $_SESSION['ctform']['ct_message'] = $message; // save message
foreach($errors as $key => $error) { // set up error messages to display with each field $_SESSION['ctform'][$key] = "<span class=\"error\">$error</span>"; }
$_SESSION['ctform']['error'] = true; // set error floag } } // POST }
$_SESSION['ctform']['success'] = false; // clear success value after running
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