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email.php
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email.php
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<?php
set_include_path( get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/lib');
session_start();
require_once 'Zend/Filter.php';
require_once 'Zend/Filter/StripTags.php';
require_once 'Zend/Filter/StringTrim.php';
$filters = new Zend_Filter();
$filters->addFilter(new Zend_Filter_StripTags())
->addFilter(new Zend_Filter_StringTrim());
$pageTitle = array_key_exists('pageTitle', $_GET) ? $filters->filter($_GET['pageTitle']) : '';
$pageUrl = array_key_exists('pageUrl', $_GET) ? $filters->filter($_GET['pageUrl']) : '';
$page = 'form';
$errors = array();
if('post' == strtolower($_SERVER['REQUEST_METHOD']))
{
// someone sent over an invalid
if(!Readability::hasValidParams())
{
Readability::logMessage("ERROR:Someone tried to send a request with an invalid set of parameters.");
die();
}
require_once 'Zend/Validate/EmailAddress.php';
//FILTER DATA
$from = $filters->filter($_POST['from']);
$fromName = $filters->filter($_POST['name']);
$fromName = !empty($fromName) ? $fromName : $from;
$to = $filters->filter($_POST['to']);
$to = array_map('trim', split(',', $to));
$note = $filters->filter($_POST['note']);
$key = $filters->filter($_POST['key']);
$pageUrl = $filters->filter($_POST['pageUrl']);
$pageTitle = $filters->filter($_POST['pageTitle']);
if(!Readability::validateSecureKey($key))
{
$errors[] = 'key';
Readability::logMessage("ERROR:Someone tried to send an email with an invalid key.");
}
// VALIDATE DATA
$emailValidator = new Zend_Validate_EmailAddress();
if(!$emailValidator->isValid($_POST['from']))
{
$errors[] = 'from';
}
if(count($to) == 0)
{
$errors[] = 'to';
}
else
{
foreach($to as $toAddress)
{
if(!$emailValidator->isValid($toAddress))
{
$errors[] = 'to';
break;
}
}
}
// NO ERRORS SEND EMAIL
if(count($errors) == 0)
{
// store the from address so it's saved for future use
setcookie("from", $from, time()+3600*24*7*4, "/");
setcookie("name", $fromName, time()+3600*24*7*4, "/");
require_once 'Zend/Mail.php';
require_once 'Zend/Mail/Transport/Smtp.php';
$mailer = new Zend_Mail_Transport_Smtp('smtp.googlemail.com', Array(
'auth' => 'login',
'username' => '[email protected]',
'password' => '********',
'ssl' => 'ssl',
'port' => 465,
));
$mailer->EOL = "\r\n"; // gmail is fussy about this
Zend_Mail::setDefaultTransport($mailer);
$body = '<html><head>';
$body = '</head>';
$body = '<body>';
$body .= '<div style="font-size: 15px;">';
$body .= '<p>This page was sent to you by: '.$from.'</p>';
if(!empty($note))
{
$body .= '<p>Message from sender: </p><p><blockquote>'.stripslashes($note).'</blockquote></p>';
}
$body .= '<p>Just click this link: <a href="'.$pageUrl.'">'.$pageTitle.'</a></p>';
$body .= '<hr />';
$body .= '<p style="font-size: 90%;">Sent from <a href="http://lab.arc90.com/experiments/readability/">Readability</a> | An <a href="http://www.arc90.com">Arc90</a> lab experiment<p>';
$body .= '</div>';
$body .= '</body></html>';
$mail = new Zend_Mail();
$mail->setBodyHtml($body);
$mail->setFrom($from, $fromName);
$mail->addHeader('Reply-To', $from);
foreach($to as $toAddress)
{
$mail->addTo($toAddress);
}
$mail->setSubject("Sent via Readability: {$pageTitle}");
try
{
if(!$mail->send())
{
Readability::logMessage("ERROR:There was an error sending the email. [to:".implode(', ', $to).", from:{$from}, notes:{$note}, pageUrl: {$pageUrl}, pageTitle: {$pageTitle}]");
}
else
{
$page = 'complete';
}
}
catch(Exception $e)
{
Readability::logMessage("ERROR:There was an exception sending the email. [to:".implode(', ', $to).", from:{$from}, notes:{$note}, pageUrl: {$pageUrl}, pageTitle: {$pageTitle}]");
Readability::logMessage("ERROR:".$e->getMessage());
}
//header('location: close.html');
}
} // end of: if method == POST
elseif('get' == strtolower($_SERVER['REQUEST_METHOD']))
{
$_SESSION['secureKey'] = Readability::generateSecureKey();
}
class Readability
{
public static function isError($field, $errors)
{
if(in_array($field, $errors))
{
return TRUE;
}
return FALSE;
}
public static function getErrorClass($field, $errors)
{
if(in_array($field, $errors))
{
return 'class = "error"';
}
return '';
}
public static function getParam($param)
{
if(isset($_POST) && array_key_exists($param, $_POST))
{
return $_POST[$param];
}
elseif(isset($_COOKIE) && array_key_exists($param, $_COOKIE))
{
return $_COOKIE[$param];
}
return '';
}
public static function logMessage($message)
{
$logFile = dirname(__FILE__) . '/log.txt';
$handle = @fopen($logFile, 'a');
if(is_resource($handle))
{
$message = date('Y-m-d G:i:s') . ' :: ' . $message . "\n";
fwrite($handle, $message);
fclose($handle);
}
}
public static function generateSecureKey($length = 8)
{
$sucureKey = "";
$possible = "012*3456)789b(cdfg#hjkmn@pqrs!tvwx[yz";
for($x=0; $x < $length; $x++)
{
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
if (!strstr($sucureKey, $char))
{
$sucureKey .= $char;
}
}
return $sucureKey;
}
/**
* this adds a small (very small) level of security
*
* @param string $testKey
* @return void
* @author David Hauenstein
*/
public static function validateSecureKey($testKey)
{
if(!array_key_exists('secureKey', $_SESSION))
{
$_SESSION['secureKey'] = self::generateSecureKey();
return false;
}
else
{
if($testKey != $_SESSION['secureKey'])
{
return false;
}
}
return true;
}
public static function emailAsLinks($addresses)
{
$toReturn = '';
foreach($addresses as $address)
{
$toReturn .= '<a href="mailto:'.$address.'">' . $address . '</a>, ';
}
return substr($toReturn, 0, strlen($toReturn)-2);
}
public static function hasValidParams()
{
$requiredParams = array('from', 'name', 'to', 'note', 'key', 'pageTitle', 'pageUrl');
$sentParams = array_keys($_POST);
foreach($requiredParams as $required)
{
if(!in_array($required, $sentParams))
{
return false;
}
}
return true;
}
}
?>
<?= '<?' ?>xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Readability</title>
<script type="text/javascript" charset="utf-8">
window.onload = function(){
document.getElementById('cancel-email').onclick = function(){
window.location = 'http://lab.arc90.com/experiments/readability/close.html';
return false;
};
document.getElementById('send-email').onclick = function(){
document.getElementById('send-email-form').submit();
return false;
};
};
<?php if($page == "complete"){ ?>
timer = setTimeout(function(){
window.location = 'close.html';
}, 3000);
<?php } ?>
</script>
<style type="text/css" media="screen">
*{
margin: 0;
}
#email-container{
font-size: 14px;
margin: 0;
padding: 0;
width: 500px;
height: 490px;
font-family: times, serif;
background-color: #fff;
}
h2{
margin: 0 0 10px;
background: url(http://lab.arc90.com/experiments/readability/images/email-head.gif) #e2e3e4 no-repeat 15px center;
text-indent: -99999px;
height: 40px;
}
form{
padding-right: 20px;
}
label{
font-size: 20px;
padding-right: 10px;
display: block;
float: left;
width: 130px;
text-align: right;
}
input,
textarea{
padding: 5px;
width: 320px;
font-family: times, serif;
font-size: 14px;
border: solid 1px #999;
}
input.error{
border: solid 2px #c33;
}
p.error{
color: #c33;
font-size: 14px;
}
.helper{
font-size: 12px;
margin-top: 3px;
color: #666;
}
.details{
font-style: italic;
font-size: 15px;
}
.helper,
.details{
margin-left: 120px; /* add label width + label padding-right */
}
.section{
margin-top: 15px;
clear: both;
}
#note{
<?php if(count($errors) > 0){ ?>
height: 100px;
<?php } else { ?>
height: 140px;
<?php } ?>
}
#send-email,
#cancel-email{
padding: 2px 2px;
font-family: times, serif;
background-color: #e7e8e9;
font-size: 17px;
border: solid 2px #666;
cursor: pointer;
}
#send-email{
margin-left: 180px;
font-weight: bold;
}
#cancel-email{
margin-left: 10px;
}
.logo{
position: absolute;
left: 10px;
bottom: 10px;
}
#complete{
margin-top: 120px;
text-align: center;
padding: 20px;
}
#complete p{
margin: 0 0 10px;
font-size: 16px;
}
#complete img{
margin-top: 100px;
}
</style>
</head>
<body>
<div id="email-container">
<h2>Email Page</h2>
<?php if($page == 'form'){ ?>
<form action="./email.php" method="post" accept-charset="utf-8" id="send-email-form">
<div class="section">
<label for="name">Your Name :</label>
<input type="text" name="name" id="name" value="<?php echo Readability::getParam('name') ?>" />
</div>
<div class="section">
<label for="from">Your Email :</label>
<input type="text" name="from" id="from" value="<?php echo Readability::getParam('from') ?>" <?php echo Readability::getErrorClass('from', $errors); ?> />
<?php if(Readability::isError('from', $errors)){ ?>
<p class="helper error">
This field should be a valid email address.
</p>
<?php } ?>
</div>
<div class="section">
<label for="to">Recipients :</label>
<input type="text" name="to" id="to" value="<?php echo Readability::getParam('to') ?>" <?php echo Readability::getErrorClass('to', $errors); ?> />
<?php if(Readability::isError('to', $errors)){ ?>
<p class="helper error">
Please ensure that all addresses are valid email adderesses.
</p>
<?php } ?>
<p class="helper">
Seperate multiple <em>email addresses</em> with commas.
</p>
</div>
<div class="section">
<label>Sending :</label>
<p class="details">
<?= $pageTitle ?>
</p>
</div>
<div class="section">
<label for="note">Note :</label>
<textarea name="note" id="note" rows="8" cols="40"><?php echo Readability::getParam('note') ?></textarea>
</div>
<div class="section">
<button id="send-email">Email Page</button>
<button id="cancel-email">Cancel</button>
</div>
<img src="http://lab.arc90.com/experiments/readability/images/email-readability.gif" alt="Readability" class="logo" />
<input type="hidden" name="pageUrl" value="<?= $pageUrl; ?>" id="pageUrl" />
<input type="hidden" name="pageTitle" value="<?= $pageTitle; ?>" id="pageTitle" />
<input type="hidden" name="key" value="<?= $_SESSION['secureKey']; ?>" id="key" />
</form>
<?php }else if($page == "complete"){ ?>
<div id="complete">
<p>
A link to this page has been sent to <?php echo Readability::emailAsLinks($to) ?>
</p>
<p>
Thanks for using Readability.
</p>
<div>
<img src="http://lab.arc90.com/experiments/readability/images/footer-thanks.png" alt="Readability" />
</div>
</div>
<?php } ?>
</div>
</body>
</html>