FreeSTAR-Status-Engine/email_subscriptions.php

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<?php
require_once("template.php");
require_once("config.php");
require_once("classes/constellation.php");
require_once("classes/subscriber.php");
require_once("classes/subscriptions.php");
require_once("classes/mailer.php");
//require_once("libs/php_idn/idna.php");
$mailer = new Mailer();
$subscriber = new Subscriber();
$subscription = new Subscriptions();
$boolRegistered = false;
if ( isset($_GET['new']) ) {
// Form validation for subscribers signing up
$message = "";
Template :: render_header(_("Email Subscription"));
if (isset($_POST['emailaddress'])) {
if (0 == strlen(trim($_POST['emailaddress']))){
$messages[] = _("Email address");
}
// Perform DNS domain validation on
if ( ! $mailer->verify_domain($_POST['emailaddress']) ) {
$messages[] = _("Domain does not apper to be a valid email domain. (Check MX record)");
}
if (GOOGLE_RECAPTCHA) {
// Validate recaptcha
$response = $_POST["g-recaptcha-response"];
$url = 'https://www.google.com/recaptcha/api/siteverify';
$data = array(
'secret' => GOOGLE_RECAPTCHA_SECRET,
'response' => $_POST["g-recaptcha-response"]
);
$options = array(
'http' => array (
'header' => 'Content-Type: application/x-www-form-urlencoded\r\n',
'method' => 'POST',
'content' => http_build_query($data)
)
);
$context = stream_context_create($options);
$verify = file_get_contents($url, false, $context);
$captcha_success = json_decode($verify);
if ( $captcha_success->success==false ) {
$messages[] = _("reChaptcha validation failed");
}
}
if ( isset($messages) ) {
$message = _("Please check<br>");
$message .= implode("<br> ", $messages);
}
}
if(isset($_POST['emailaddress']) && empty($message))
{
// Check if email is already registered
$boolUserExist = false;
$subscriber->userID = $_POST['emailaddress'];
$subscriber->typeID = 2; // Email
$boolUserExist = $subscriber->check_userid_exist();
$url = WEB_URL."/index.php?do=manage&token=".$subscriber->token;
if ( ! $boolUserExist ) {
// Create a new subscriber as it does not exist
$subscriber->add($subscriber->typeID, $_POST['emailaddress']);
$url = WEB_URL."/index.php?do=manage&token=".$subscriber->token; // Needed again after adding subscriber since token did not exist before add
$msg = sprintf(_("Thank you for registering to receive status updates via email.</br></br> Click on the following link to confirm and manage your subcription: <a href=\"%s\">%s</a>. New subscriptions must be confirmed within 2 hours"), $url, NAME .' - ' . _("Validate subscription"));
} else {
if ( ! $subscriber->active ) {
// Subscriber is registered, but has not been activated yet...
$msg = sprintf(_("Thank you for registering to receive status updates via email.</br></br> Click on the following link to confirm and manage your subcription: <a href=\"%s\">%s</a>. New subscriptions must be confirmed within 2 hours"), $url, NAME .' - ' . _("Validate subscription"));
$subscriber->activate($subscriber->id);
} else {
// subscriber is registered and active
$msg = sprintf(_("Click on the following link to update your existing subscription: <a href=\"%s\">%s</a>"), $url, NAME .' - ' . _("Manage subscription"));
$subscriber->update($subscriber->id);
}
}
// Show success message
$header = _("Thank you for subscribing");
$message = _("You will receive an email shortly with an activation link. Please click on the link to activate and/or manage your subscription.");
$constellation->render_success($header, $message, true, WEB_URL, _('Go back'));
// Send email about new registration
$subject = _('Email subscription registered').' - '.NAME;
$mailer->send_mail($_POST['emailaddress'], $subject, $msg);
$boolRegistered = true;
}
// Add a new email subscriber - display form
if ( isset($_GET['new']) && (! $boolRegistered) ) {
if (!empty($message)) {
echo '<p class="alert alert-danger">'.$message.'</p>';
}
$strPostedEmail = (isset($_POST['emailaddress'])) ? $_POST['emailaddress'] : "";
?>
<form method="post" action="index.php?do=email_subscription&new=1" class="clearfix" enctype="multipart/form-data" >
<h3><?php echo _('Subscribe to get email notifications on status updates');?></h3>
<div class="form-group clearfix">
<label for="labelEmailAddress"><?php echo _('Email address');?></label>
<input type="email" class="form-control" name="emailaddress" id="emailaddress" aria-describedby="emailHelp" placeholder="<?php echo _('Enter email address');?>" value="<?php echo $strPostedEmail;?>" required>
</div>
<?php if (GOOGLE_RECAPTCHA) {?>
<div class="col-md-12">
<div class="form-group">
<div class="captcha_wrapper">
<div class="g-recaptcha" data-sitekey="<?php echo GOOGLE_RECAPTCHA_SITEKEY;?>"></div>
</div>
</div>
</div>
<?php } ?>
<summary>
<?php
$msg = sprintf(_('By subscribing to recieve notifications you are agreeing to our <a href="%s">Privacy Policy</a>'), POLICY_URL);
echo $msg;
?>
</summary>
<div class="form-group form-check">
</div>
<a href="<?php echo WEB_URL;?>" id="cancel" name="cancel" class="btn btn-default"><?php echo _('Close');?></a>
<button type="submit" class="btn btn-primary"><?php echo _('Subscribe');?></button>
</form>
<?php
}
/* Handle management and activation of email subscriptions */
} else if (isset($_GET['do']) && $_GET['do'] == 'manage') {
// check if userid/token combo is valid, active or expired
$subscriber->typeID = 2; //EMAIL
if ( $subscriber->is_active_subscriber($_GET['token']) ) {
// forward user to subscriber list....
$subscriber->set_logged_in();
header('Location: subscriptions.php');
exit;
} else {
Template :: render_header(_("Email Subscription"));
$header = _("We cannot find a valid subscriber account matching those details");
$message = _("If you have recently subscribed, please make sure you activate the account within two hours of doing so. You are welcome to try and re-subscribe.");
$constellation->render_warning($header, $message, true, WEB_URL, _('Go back'));
}
} else if (isset($_GET['do']) && $_GET['do'] == 'unsubscribe') {
// Handle unsubscriptions
// TODO This function is universal and should probably live elsewhere??
if (isset($_GET['token'])) {
$subscriber->typeID = (int) $_GET['type'];
if ( $subscriber->get_subscriber_by_token($_GET['token'])) {
$subscriber->delete($subscriber->id);
$subscriber->set_logged_off();
Template :: render_header(_("Email Subscription"));
$header = _("You have been unsubscribed from our system");
$message = _("We are sorry to see you go. If you want to subscribe again at a later date please feel free to re-subscribe.");
$constellation->render_success($header, $message, true, WEB_URL, _('Go back'));
} else {
// TODO Log token for troubleshooting ?
// Cannot find subscriber - show alert
Template :: render_header(_("Email Subscription"));
$header = _("We are unable to find any valid subscriber detail matching your submitted data!");
$message = _("If you believe this to be an error, please contact the system admininistrator.");
$constellation->render_warning($header, $message, true, WEB_URL, _('Go back'));
//
}
} else {
// TODO Log $_GET[] for troubleshooting ?
$header = _("We are unable to find any valid subscriber detail matching your submitted data!");
$message = _("If you believe this to be an error, please contact the system admininistrator.");
$constellation->render_warning($header, $message, true, WEB_URL, _('Go back'));
}
}
Template :: render_footer();