index.php - ids-kl/ldap-signup - Gitiles

 <?php
 require_once 'vendor/autoload.php';
 include 'config.php';
 include_once 'redis.php';
 include_once 'utils.php';
 include_once 'mail.php';
 include_once 'ldap.php';
 include_once 'db_backend.php';
 include_once 'validators.php';
 include_once 'User.php';
 require __DIR__ . '/vendor/autoload.php';
 use Monolog\Level;
 use Monolog\Logger as Logger;
 use Monolog\Handler\StreamHandler;
 use Monolog\Handler\RotatingFileHandler;
 use \User as User;
 use \DB as DB;
 include $TEMPLATE . "strings.php";
 $log = new Logger('signup');
 $log->pushHandler(new RotatingFileHandler(__DIR__ . '/logs/signup.log', 0, Logger::DEBUG));

 if (!$DEBUG)    error_reporting(0);
 else error_reporting(1);
 session_start();

 use Gregwar\Captcha\PhraseBuilder;

 $URI = array_slice(explode("/", explode('?', $_SERVER['REQUEST_URI'], 2)[0]), -1)[0];
 if (strlen($URI) == 2) {
     $GLOBALS["cc"] = $URI;
     $_SESSION["cc"] = $URI;
 }

 if (isset($_GET["lang"])) {
     $GLOBALS["cc"] = $_GET["lang"];
     $_SESSION["cc"] = $_GET["lang"];
 }

 $TEMPLATE = template_path();


 function send_welcome_email(User $user)
 {
     global $SMTP, $SERVICE_ACRONYM, $WELCOME_TEMPLATE, $TEMPLATE;
     $TEMPLATE = template_path();
     include $TEMPLATE . "email.php";
     $url = "";

     send_mail($user->email, $SMTP, (object) [
         "subject" => $WELCOME_TEMPLATE->subject,
         "text"    => replace_all_user_variables($WELCOME_TEMPLATE->text, $user, $url),
         "html"    => replace_all_user_variables($WELCOME_TEMPLATE->html, $user, $url)
     ]);
 }

 function send_confirmation_email(string $mail, object $smtp, string $url, User $user)
 {
     include 'config.php';
     $TEMPLATE = template_path();
     include $TEMPLATE . "email.php";

     send_mail($mail, $smtp, (object) [
         "subject" => $MAIL_TEMPLATE->subject,
         "text"    => replace_all_user_variables($MAIL_TEMPLATE->text, $user, $url),
         "html"    => replace_all_user_variables($MAIL_TEMPLATE->html, $user, $url)
     ]);
 }

 function send_recovery_email(string $mail, object $smtp, string $url)
 {
     include 'config.php';
     $TEMPLATE = template_path();
     include $TEMPLATE . "email.php";

     send_mail($mail, $smtp, (object) [
         "subject" => $RECOVERY_EMAIL_TEMPLATE->subject,
         "text"    => str_replace("{{url}}", $url, $RECOVERY_EMAIL_TEMPLATE->text),
         "html"    => str_replace("{{url}}", $url, $RECOVERY_EMAIL_TEMPLATE->html)
     ]);
 }

 function reload_captcha_script()
 {
     include 'config.php';

     if ($CAPTCHA_LENGTH > 0) {
         $TEMPLATE = template_path();
         include $TEMPLATE . "strings.php";
         echo '
         <script>
             const reload_captcha = async (e) => {
                 var cont = document.getElementById("reload_captcha");
                 cont.innerHTML = "<div class=\'spinner-border text-info\' role=\'status\'><span class=\'sr-only\'>' . $STRINGS->reloading_captcha . '</span></div>";
                 var img = document.getElementById("captcha")
                 var url =  "' . $BASE_URL . '/captcha.php?token=' . $_SESSION["captcha_token"] . '"
                 await fetch(url, { cache: "reload", mode: "no-cors" })
                  .then(() => {
                     img.src = url+"&t=" + new Date().getTime();
                     setTimeout( () => {
                         cont.innerHTML = "<button id=\'reload\' class=\'btn btn-outline-info\' type=\'button\'> <span class=\'glyphicon glyphicon-refresh\' aria-hidden=\'true\'></span></button>";
                         bindButton()
                     }, 500);
                 })
             }
             function bindButton(){
                 var button = document.getElementById("reload");
                 button.addEventListener("click", reload_captcha)
             }
             bindButton()
         </script>
         ';
     }
 }

 function register_page($error = false)
 {
     $TEMPLATE = template_path();
     include 'config.php';
     if ($error)
         include $TEMPLATE . 'error.htm';
     $_SESSION["captcha_token"] = generateRandomString(12);
     include $TEMPLATE . "register.htm";
     reload_captcha_script();
 }


 function verify_request(User $user)
 {
     global $log, $CONFERENCE_REGISTRATION, $CAPTCHA_LENGTH;

     $TEMPLATE = template_path();
     unset($_SESSION['captcha_token']);
     include $TEMPLATE . 'strings.php';
     $password = $_POST["password"];
     $error = "";

     if (!$CONFERENCE_REGISTRATION) {
         $error .= validate_username($user->username);
         $error .= validate_password($password);
     }
     $log->debug("validating request");
     $error .= validate_name($user->first_name, $FIRST_NAME_VALIDATION_ERROR);
     $error .= validate_name($user->last_name, $LAST_NAME_VALIDATION_ERROR);
     $log->debug("request validated: $error");
     $error .= validate_email($user->email);


     if ($CAPTCHA_LENGTH > 0  &&  !(isset($_SESSION['captcha']) && PhraseBuilder::comparePhrases($_SESSION['captcha'], $_POST['captcha']))) {
         $error = $error . $STRINGS->wrong_captcha;
     }
     unset($_SESSION["captcha"]);

     return $error;
 }


 function approve_request(User $user)
 {
     include 'config.php';
     global $log, $_SESSION;

     $token = generateRandomString();
     redis_set($token, $user, $MAIL_CONFIRMATION_AWAIT_DELAY);
     $pending = redis_get("pending");
     if ($pending) {
         $maillist = $pending->mails;
         if(is_array($maillist))
             array_push($maillist, $user->email);
     } else
         $maillist = [$user->email];
     redis_set("pending", (object)["mails" => $maillist], $MAIL_CONFIRMATION_AWAIT_DELAY);

     $url = $BASE_URL . "?type=confirmation&token=" . $token;
     if (in_array(explode("@", $user->email)[1], $MAIL_HOST_DIRECT_FALLBACK))
         $smtp = $FALLBACK_SMTP;
     else
         $smtp = $SMTP;
     send_confirmation_email($user->email, $smtp, $url, $user);
     $_SESSION['resend'] = generateRandomString(12);
     $_SESSION['token'] = $token;
     $user->backup_in_session();
     $TEMPLATE = template_path();
     include $TEMPLATE . "confirm_your_email.htm";
     $log->info("Registration process started for " . $user->to_string());
 }

 function recover_form($error = null)
 {
     $TEMPLATE = template_path();
     include 'config.php';
     $_SESSION["captcha_token"] = generateRandomString(12);
     if ($error)
         include $TEMPLATE . 'error.htm';
     include $TEMPLATE . "recover_email_form.htm";
     reload_captcha_script();
 }

 function new_password_form($error = null)
 {
     $TEMPLATE = template_path();
     if ($error)
         include $TEMPLATE . 'error.htm';
     include $TEMPLATE . "recover_new_password_form.htm";
 }


 // PAGE
 include $TEMPLATE . "header.htm";

 if ($_SERVER["REQUEST_METHOD"] == "POST") {
     if (isset($_POST['type'])) {
         switch ($_POST['type']) {
             case "register":
                 $log->info("Registration request from " . array_to_string($_POST));
                 $user = new User();
                 $user->init_from_array($_POST);
                 $log->info("Registration request from " . $user->to_string());
                 if (redis_inc_ipdata(getClientIP(), "register", true) > $HOURLY_REGISTRATIONS) {
                     include $TEMPLATE . "registration_limit.htm";
                 } else {
                     $error = verify_request($user);
                     if ($error)
                         register_page($error);
                     else
                         approve_request($user);
                 }
                 break;
             case "recover":
                 if ($CONFERENCE_REGISTRATION)
                     break;
                 $TEMPLATE = template_path();
                 unset($_SESSION['captcha_token']);
                 include $TEMPLATE . 'strings.php';

                 $email = $_POST["email"];
                 if (($CONFERENCE_REGISTRATION & ! (new DB($log))->mail_count($email)) || !ldap_mail_count($email)) {
                     unset($_POST['email']);
                     $error = $error . $STRINGS->recover_email_not_registered;
                 }

                 if ($CAPTCHA_LENGTH > 0 && !(isset($_SESSION['captcha']) && PhraseBuilder::comparePhrases($_SESSION['captcha'], $_POST['captcha']))) {
                     $error = $error . $STRINGS->wrong_captcha;
                 }

                 unset($_SESSION["captcha"]);
                 if (redis_inc_ipdata(getClientIP(), "register", true) > $HOURLY_REGISTRATIONS) {
                     include $TEMPLATE . "registration_limit.htm";
                 } else {
                     if ($error) {
                         recover_form($error);
                     } else {
                         include $TEMPLATE . 'strings.php';
                         $token = generateRandomString();
                         redis_set($token, $email, $MAIL_CONFIRMATION_AWAIT_DELAY);

                         $url = $BASE_URL . "?type=password_change&token=" . $token;
                         if (in_array(explode("@", $email)[1], $MAIL_HOST_DIRECT_FALLBACK))
                             $smtp = $FALLBACK_SMTP;
                         else
                             $smtp = $SMTP;
                         $_SESSION['resend']  = generateRandomString(12);
                         $_SESSION['token']   = $token;
                         $_SESSION['email']   = $email;
                         $_SESSION['recover'] = $email;
                         $TEMPLATE = template_path();
                         send_recovery_email($email, $smtp, $url);
                         include $TEMPLATE . "confirm_your_email.htm";
                         $log->info("Password recovery email sent to " . $email);
                     }
                 }
                 break;

             case "password_change":
                 if ($CONFERENCE_REGISTRATION)
                     break;
                 $password = $_POST['password'];
                 $error = validate_password($password);
                 if ($error) {
                     new_password_form($error);
                 } else {
                     $TEMPLATE = template_path();
                     include $TEMPLATE . "recover_success.htm";
                     include $TEMPLATE . "email.php";
                     $email = $_SESSION["email_change"];
                     if (change_password($email, $password)) {
                         if (in_array(explode("@", $email)[1], $MAIL_HOST_DIRECT_FALLBACK))
                             $smtp = $FALLBACK_SMTP;
                         else
                             $smtp = $SMTP;
                         send_mail($email, $smtp, $PASSWORD_CHANGED_EMAIL_TEMPLATE);
                         $log->info("Password changed for " . $email);
                     } else {
                         include $TEMPLATE . "strings.php";
                         echo $STRINGS->change_password_ldap_error;
                     }
                     unset($_SESSION["email_change"]);
                     redis_delete($_SESSION['token']);
                 }
                 break;
         }
     }
 } elseif (isset($_GET['type'])) {
     switch ($_GET['type']) {
         case "confirmation":
             if (!isset($_GET["token"])) {
                 echo $RUNTIME_ERROR->user_trying_invalid_get;
             } else {
                 $token = $_GET["token"];
                 $user = redis_get_user($token);
                 if ($user && gettype($user) == "object") {
                     if (($CONFERENCE_REGISTRATION && (new DB($log))->add_user($user)) || (!$CONFERENCE_REGISTRATION && ldap_add_user($user))) {
                         if ($REDIRECT_TO)
                             header("refresh:5;url=" . $REDIRECT_TO);

                         $pending = redis_get("pending");
                         if ($pending) {
                             $maillist = $pending->mails;
                             if (in_array($user->email, $maillist)) {
                                 unset($maillist[array_search($user->email, $maillist)]);
                                 redis_set("pending", (object)["mails" => $maillist], $MAIL_CONFIRMATION_AWAIT_DELAY);
                             }
                         }
                         redis_inc_ipdata(getClientIP(), "register");
                         $log->info("User registration completed: " . $user->to_string());
                         echo $STRINGS->email_confirmation;
                         if (isset($POST_REGISTER_HOOK)) $POST_REGISTER_HOOK($user);
                         include $TEMPLATE . "mail_confirmed.htm";
                     } else {
                         $log->error("User registration failed for: " . $user->to_string());
                         echo $STRINGS->email_confirmation;
                         include $TEMPLATE . "registration_error.htm";
                     }
                     redis_delete($token);
                 } else {
                     include $TEMPLATE . "token_expired.htm";
                 }
             }
             break;
         case "resend":
             if (isset($_GET['token']) && isset($_SESSION['resend']) && $_GET['token'] == $_SESSION['resend']) {
                 $log->info("Resending confirmation email to " . $_SESSION['email']);
                 $user = new User();
                 $user->init_from_array($_SESSION);
                 $log->info("Resending confirmation email to " . $user->to_string());
                 $token = $_SESSION['token'];
                 $url = $BASE_URL . "?type=confirmation&token=" . $token;
                 $smtp = $FALLBACK_SMTP;
                 $address = $_SESSION["email"];
                 if (isset($_SESSION['recover'])) {
                     $url = $BASE_URL . "?type=password_change&token=" . $token;
                     send_recovery_email($address, $smtp, $url, $user);
                     unset($_SESSION['recover']);
                 } else
                     send_confirmation_email($address, $smtp, $url, $user);
                 echo "<div class='alert alert-info' role='alert'> Another email has been sent to ". $_SESSION['email']. " </div>";
                 unset($_SESSION['resend']);
                 unset($_SESSION['token']);
                 # unset($_SESSION['email']);
             } else {
                 echo "<div class='alert alert-warning' role='alert'>A second email has already been sent.</div>";
             }
             break;

         case "recover":
             recover_form();
             break;

         case "password_change":
             $TEMPLATE = template_path();
             $token = $_GET["token"];
             $email = redis_get($token);
             $_SESSION["email_change"] = $email;
             $_SESSION["token"] = $token;
             if ($email && gettype($email) == "string") {
                 new_password_form();
             } else {
                 include $TEMPLATE . "token_expired.htm";
             }
             break;
     }
 } else {
     unset($_SESSION['captcha_token']);
     register_page();
 }

 include $TEMPLATE . "bottom.htm";
	<?php
	require_once 'vendor/autoload.php';
	include 'config.php';
	include_once 'redis.php';
	include_once 'utils.php';
	include_once 'mail.php';
	include_once 'ldap.php';
	include_once 'db_backend.php';
	include_once 'validators.php';
	include_once 'User.php';
	require __DIR__ . '/vendor/autoload.php';
	use Monolog\Level;
	use Monolog\Logger as Logger;
	use Monolog\Handler\StreamHandler;
	use Monolog\Handler\RotatingFileHandler;
	use \User as User;
	use \DB as DB;
	include $TEMPLATE . "strings.php";
	$log = new Logger('signup');
	$log->pushHandler(new RotatingFileHandler(__DIR__ . '/logs/signup.log', 0, Logger::DEBUG));

	if (!$DEBUG) error_reporting(0);
	else error_reporting(1);
	session_start();

	use Gregwar\Captcha\PhraseBuilder;

	$URI = array_slice(explode("/", explode('?', $_SERVER['REQUEST_URI'], 2)[0]), -1)[0];
	if (strlen($URI) == 2) {
	$GLOBALS["cc"] = $URI;
	$_SESSION["cc"] = $URI;
	}

	if (isset($_GET["lang"])) {
	$GLOBALS["cc"] = $_GET["lang"];
	$_SESSION["cc"] = $_GET["lang"];
	}

	$TEMPLATE = template_path();


	function send_welcome_email(User $user)
	{
	global $SMTP, $SERVICE_ACRONYM, $WELCOME_TEMPLATE, $TEMPLATE;
	$TEMPLATE = template_path();
	include $TEMPLATE . "email.php";
	$url = "";

	send_mail($user->email, $SMTP, (object) [
	"subject" => $WELCOME_TEMPLATE->subject,
	"text" => replace_all_user_variables($WELCOME_TEMPLATE->text, $user, $url),
	"html" => replace_all_user_variables($WELCOME_TEMPLATE->html, $user, $url)
	]);
	}

	function send_confirmation_email(string $mail, object $smtp, string $url, User $user)
	{
	include 'config.php';
	$TEMPLATE = template_path();
	include $TEMPLATE . "email.php";

	send_mail($mail, $smtp, (object) [
	"subject" => $MAIL_TEMPLATE->subject,
	"text" => replace_all_user_variables($MAIL_TEMPLATE->text, $user, $url),
	"html" => replace_all_user_variables($MAIL_TEMPLATE->html, $user, $url)
	]);
	}

	function send_recovery_email(string $mail, object $smtp, string $url)
	{
	include 'config.php';
	$TEMPLATE = template_path();
	include $TEMPLATE . "email.php";

	send_mail($mail, $smtp, (object) [
	"subject" => $RECOVERY_EMAIL_TEMPLATE->subject,
	"text" => str_replace("{{url}}", $url, $RECOVERY_EMAIL_TEMPLATE->text),
	"html" => str_replace("{{url}}", $url, $RECOVERY_EMAIL_TEMPLATE->html)
	]);
	}

	function reload_captcha_script()
	{
	include 'config.php';

	if ($CAPTCHA_LENGTH > 0) {
	$TEMPLATE = template_path();
	include $TEMPLATE . "strings.php";
	echo '
	<script>
	const reload_captcha = async (e) => {
	var cont = document.getElementById("reload_captcha");
	cont.innerHTML = "<div class=\'spinner-border text-info\' role=\'status\'><span class=\'sr-only\'>' . $STRINGS->reloading_captcha . '</span></div>";
	var img = document.getElementById("captcha")
	var url = "' . $BASE_URL . '/captcha.php?token=' . $_SESSION["captcha_token"] . '"
	await fetch(url, { cache: "reload", mode: "no-cors" })
	.then(() => {
	img.src = url+"&t=" + new Date().getTime();
	setTimeout( () => {
	cont.innerHTML = "<button id=\'reload\' class=\'btn btn-outline-info\' type=\'button\'> <span class=\'glyphicon glyphicon-refresh\' aria-hidden=\'true\'></span></button>";
	bindButton()
	}, 500);
	})
	}
	function bindButton(){
	var button = document.getElementById("reload");
	button.addEventListener("click", reload_captcha)
	}
	bindButton()
	</script>
	';
	}
	}

	function register_page($error = false)
	{
	$TEMPLATE = template_path();
	include 'config.php';
	if ($error)
	include $TEMPLATE . 'error.htm';
	$_SESSION["captcha_token"] = generateRandomString(12);
	include $TEMPLATE . "register.htm";
	reload_captcha_script();
	}


	function verify_request(User $user)
	{
	global $log, $CONFERENCE_REGISTRATION, $CAPTCHA_LENGTH;

	$TEMPLATE = template_path();
	unset($_SESSION['captcha_token']);
	include $TEMPLATE . 'strings.php';
	$password = $_POST["password"];
	$error = "";

	if (!$CONFERENCE_REGISTRATION) {
	$error .= validate_username($user->username);
	$error .= validate_password($password);
	}
	$log->debug("validating request");
	$error .= validate_name($user->first_name, $FIRST_NAME_VALIDATION_ERROR);
	$error .= validate_name($user->last_name, $LAST_NAME_VALIDATION_ERROR);
	$log->debug("request validated: $error");
	$error .= validate_email($user->email);


	if ($CAPTCHA_LENGTH > 0 && !(isset($_SESSION['captcha']) && PhraseBuilder::comparePhrases($_SESSION['captcha'], $_POST['captcha']))) {
	$error = $error . $STRINGS->wrong_captcha;
	}
	unset($_SESSION["captcha"]);

	return $error;
	}


	function approve_request(User $user)
	{
	include 'config.php';
	global $log, $_SESSION;

	$token = generateRandomString();
	redis_set($token, $user, $MAIL_CONFIRMATION_AWAIT_DELAY);
	$pending = redis_get("pending");
	if ($pending) {
	$maillist = $pending->mails;
	if(is_array($maillist))
	array_push($maillist, $user->email);
	} else
	$maillist = [$user->email];
	redis_set("pending", (object)["mails" => $maillist], $MAIL_CONFIRMATION_AWAIT_DELAY);

	$url = $BASE_URL . "?type=confirmation&token=" . $token;
	if (in_array(explode("@", $user->email)[1], $MAIL_HOST_DIRECT_FALLBACK))
	$smtp = $FALLBACK_SMTP;
	else
	$smtp = $SMTP;
	send_confirmation_email($user->email, $smtp, $url, $user);
	$_SESSION['resend'] = generateRandomString(12);
	$_SESSION['token'] = $token;
	$user->backup_in_session();
	$TEMPLATE = template_path();
	include $TEMPLATE . "confirm_your_email.htm";
	$log->info("Registration process started for " . $user->to_string());
	}

	function recover_form($error = null)
	{
	$TEMPLATE = template_path();
	include 'config.php';
	$_SESSION["captcha_token"] = generateRandomString(12);
	if ($error)
	include $TEMPLATE . 'error.htm';
	include $TEMPLATE . "recover_email_form.htm";
	reload_captcha_script();
	}

	function new_password_form($error = null)
	{
	$TEMPLATE = template_path();
	if ($error)
	include $TEMPLATE . 'error.htm';
	include $TEMPLATE . "recover_new_password_form.htm";
	}


	// PAGE
	include $TEMPLATE . "header.htm";

	if ($_SERVER["REQUEST_METHOD"] == "POST") {
	if (isset($_POST['type'])) {
	switch ($_POST['type']) {
	case "register":
	$log->info("Registration request from " . array_to_string($_POST));
	$user = new User();
	$user->init_from_array($_POST);
	$log->info("Registration request from " . $user->to_string());
	if (redis_inc_ipdata(getClientIP(), "register", true) > $HOURLY_REGISTRATIONS) {
	include $TEMPLATE . "registration_limit.htm";
	} else {
	$error = verify_request($user);
	if ($error)
	register_page($error);
	else
	approve_request($user);
	}
	break;
	case "recover":
	if ($CONFERENCE_REGISTRATION)
	break;
	$TEMPLATE = template_path();
	unset($_SESSION['captcha_token']);
	include $TEMPLATE . 'strings.php';

	$email = $_POST["email"];
	if (($CONFERENCE_REGISTRATION & ! (new DB($log))->mail_count($email)) \|\| !ldap_mail_count($email)) {
	unset($_POST['email']);
	$error = $error . $STRINGS->recover_email_not_registered;
	}

	if ($CAPTCHA_LENGTH > 0 && !(isset($_SESSION['captcha']) && PhraseBuilder::comparePhrases($_SESSION['captcha'], $_POST['captcha']))) {
	$error = $error . $STRINGS->wrong_captcha;
	}

	unset($_SESSION["captcha"]);
	if (redis_inc_ipdata(getClientIP(), "register", true) > $HOURLY_REGISTRATIONS) {
	include $TEMPLATE . "registration_limit.htm";
	} else {
	if ($error) {
	recover_form($error);
	} else {
	include $TEMPLATE . 'strings.php';
	$token = generateRandomString();
	redis_set($token, $email, $MAIL_CONFIRMATION_AWAIT_DELAY);

	$url = $BASE_URL . "?type=password_change&token=" . $token;
	if (in_array(explode("@", $email)[1], $MAIL_HOST_DIRECT_FALLBACK))
	$smtp = $FALLBACK_SMTP;
	else
	$smtp = $SMTP;
	$_SESSION['resend'] = generateRandomString(12);
	$_SESSION['token'] = $token;
	$_SESSION['email'] = $email;
	$_SESSION['recover'] = $email;
	$TEMPLATE = template_path();
	send_recovery_email($email, $smtp, $url);
	include $TEMPLATE . "confirm_your_email.htm";
	$log->info("Password recovery email sent to " . $email);
	}
	}
	break;

	case "password_change":
	if ($CONFERENCE_REGISTRATION)
	break;
	$password = $_POST['password'];
	$error = validate_password($password);
	if ($error) {
	new_password_form($error);
	} else {
	$TEMPLATE = template_path();
	include $TEMPLATE . "recover_success.htm";
	include $TEMPLATE . "email.php";
	$email = $_SESSION["email_change"];
	if (change_password($email, $password)) {
	if (in_array(explode("@", $email)[1], $MAIL_HOST_DIRECT_FALLBACK))
	$smtp = $FALLBACK_SMTP;
	else
	$smtp = $SMTP;
	send_mail($email, $smtp, $PASSWORD_CHANGED_EMAIL_TEMPLATE);
	$log->info("Password changed for " . $email);
	} else {
	include $TEMPLATE . "strings.php";
	echo $STRINGS->change_password_ldap_error;
	}
	unset($_SESSION["email_change"]);
	redis_delete($_SESSION['token']);
	}
	break;
	}
	}
	} elseif (isset($_GET['type'])) {
	switch ($_GET['type']) {
	case "confirmation":
	if (!isset($_GET["token"])) {
	echo $RUNTIME_ERROR->user_trying_invalid_get;
	} else {
	$token = $_GET["token"];
	$user = redis_get_user($token);
	if ($user && gettype($user) == "object") {
	if (($CONFERENCE_REGISTRATION && (new DB($log))->add_user($user)) \|\| (!$CONFERENCE_REGISTRATION && ldap_add_user($user))) {
	if ($REDIRECT_TO)
	header("refresh:5;url=" . $REDIRECT_TO);

	$pending = redis_get("pending");
	if ($pending) {
	$maillist = $pending->mails;
	if (in_array($user->email, $maillist)) {
	unset($maillist[array_search($user->email, $maillist)]);
	redis_set("pending", (object)["mails" => $maillist], $MAIL_CONFIRMATION_AWAIT_DELAY);
	}
	}
	redis_inc_ipdata(getClientIP(), "register");
	$log->info("User registration completed: " . $user->to_string());
	echo $STRINGS->email_confirmation;
	if (isset($POST_REGISTER_HOOK)) $POST_REGISTER_HOOK($user);
	include $TEMPLATE . "mail_confirmed.htm";
	} else {
	$log->error("User registration failed for: " . $user->to_string());
	echo $STRINGS->email_confirmation;
	include $TEMPLATE . "registration_error.htm";
	}
	redis_delete($token);
	} else {
	include $TEMPLATE . "token_expired.htm";
	}
	}
	break;
	case "resend":
	if (isset($_GET['token']) && isset($_SESSION['resend']) && $_GET['token'] == $_SESSION['resend']) {
	$log->info("Resending confirmation email to " . $_SESSION['email']);
	$user = new User();
	$user->init_from_array($_SESSION);
	$log->info("Resending confirmation email to " . $user->to_string());
	$token = $_SESSION['token'];
	$url = $BASE_URL . "?type=confirmation&token=" . $token;
	$smtp = $FALLBACK_SMTP;
	$address = $_SESSION["email"];
	if (isset($_SESSION['recover'])) {
	$url = $BASE_URL . "?type=password_change&token=" . $token;
	send_recovery_email($address, $smtp, $url, $user);
	unset($_SESSION['recover']);
	} else
	send_confirmation_email($address, $smtp, $url, $user);
	echo "<div class='alert alert-info' role='alert'> Another email has been sent to ". $_SESSION['email']. " </div>";
	unset($_SESSION['resend']);
	unset($_SESSION['token']);
	# unset($_SESSION['email']);
	} else {
	echo "<div class='alert alert-warning' role='alert'>A second email has already been sent.</div>";
	}
	break;

	case "recover":
	recover_form();
	break;

	case "password_change":
	$TEMPLATE = template_path();
	$token = $_GET["token"];
	$email = redis_get($token);
	$_SESSION["email_change"] = $email;
	$_SESSION["token"] = $token;
	if ($email && gettype($email) == "string") {
	new_password_form();
	} else {
	include $TEMPLATE . "token_expired.htm";
	}
	break;
	}
	} else {
	unset($_SESSION['captcha_token']);
	register_page();
	}

	include $TEMPLATE . "bottom.htm";