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path: root/mod/register.php
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<?php

require_once('include/identity.php');

function register_init(&$a) {

	$result = null;
	$cmd = ((argc() > 1) ? argv(1) : '');

	// Provide a stored request for somebody desiring a connection
	// when they first need to register someplace. Once they've
	// created a channel, we'll try to revive the connection request 
	// and process it.

	if($_REQUEST['connect'])
		$_SESSION['connect'] = $_REQUEST['connect'];

	switch($cmd) {
		case 'invite_check.json':
			$result = check_account_invite($_REQUEST['invite_code']);
			break;
		case 'email_check.json':
			$result = check_account_email($_REQUEST['email']);
			break;
		case 'password_check.json':
			$result = check_account_password($_REQUEST['password']);
			break;
		default: 
			break;
	}
	if($result) {
		json_return_and_die($result);
	}
}


function register_post(&$a) {

	$max_dailies = intval(get_config('system','max_daily_registrations'));
	if($max_dailies) {
		$r = q("select count(account_id) as total from account where account_created > %s - INTERVAL %s",
			db_utcnow(), db_quoteinterval('1 day')
		);
		if($r && $r[0]['total'] >= $max_dailies) {
			notice( t('Maximum daily site registrations exceeded. Please try again tomorrow.') . EOL);
			return;
		}
	}

	if(! x($_POST,'tos')) {
		notice( t('Please indicate acceptance of the Terms of Service. Registration failed.') . EOL);
		return;
	}

	$policy = get_config('system','register_policy');

	$email_verify = get_config('system','verify_email');


	switch($policy) {

		case REGISTER_OPEN:
			$flags = ACCOUNT_OK;
			break;

		case REGISTER_APPROVE:
			$flags = ACCOUNT_BLOCKED | ACCOUNT_PENDING;
			break;

		default:
		case REGISTER_CLOSED:
			if(! is_site_admin()) {
				notice( t('Permission denied.') . EOL );
				return;
			}
			$flags = ACCOUNT_BLOCKED;
			break;
	}

	if($email_verify && $policy == REGISTER_OPEN)
		$flags = $flags | ACCOUNT_UNVERIFIED;
		

	if((! $_POST['password']) || ($_POST['password'] !== $_POST['password2'])) {
		notice( t('Passwords do not match.') . EOL);
		return;
	}

	$arr = $_POST;
	$arr['account_flags'] = $flags;

	$result = create_account($arr);

	if(! $result['success']) {
		notice($result['message']);
		return;
	}
	require_once('include/security.php');


	if($_REQUEST['name'])
		set_aconfig($result['account']['account_id'],'register','channel_name',$_REQUEST['name']);
	if($_REQUEST['nickname'])
		set_aconfig($result['account']['account_id'],'register','channel_address',$_REQUEST['nickname']);
	if($_REQUEST['permissions_role'])
		set_aconfig($result['account']['account_id'],'register','permissions_role',$_REQUEST['permissions_role']);


 	$using_invites = intval(get_config('system','invitation_only'));
	$num_invites   = intval(get_config('system','number_invites'));
	$invite_code   = ((x($_POST,'invite_code'))  ? notags(trim($_POST['invite_code']))  : '');

	if($using_invites && $invite_code) {
		q("delete * from register where hash = '%s'", dbesc($invite_code));
		// @FIXME - this also needs to be considered when using 'invites_remaining' in mod/invite.php
		set_aconfig($result['account']['account_id'],'system','invites_remaining',$num_invites);
	}

	if($policy == REGISTER_OPEN ) {
		if($email_verify) {
			$res = verify_email_address($result);
		}
		else {
			$res = send_register_success_email($result['email'],$result['password']);
		}
		if($res) {
			info( t('Registration successful. Please check your email for validation instructions.') . EOL ) ;
		}
	}
	elseif($policy == REGISTER_APPROVE) {
		$res = send_reg_approval_email($result);
		if($res) {
			info( t('Your registration is pending approval by the site owner.') . EOL ) ;
		}
		else {
			notice( t('Your registration can not be processed.') . EOL);
		}
		goaway(z_root());
	}

	if($email_verify) {
		goaway(z_root());
	}

	authenticate_success($result['account'],true,false,true);
	
	$new_channel = false;
	$next_page = 'new_channel';

	if(get_config('system','auto_channel_create') || UNO) {
		$new_channel = auto_channel_create($result['account']['account_id']);
		if($new_channel['success']) {
			$channel_id = $new_channel['channel']['channel_id'];
			change_channel($channel_id);
			$next_page = '~';
		}
		else
			$new_channel = false;
	}

	$x = get_config('system','workflow_register_next');
	if($x) {
		$next_page = $x;
		$_SESSION['workflow'] = true;
	}

	goaway(z_root() . '/' . $next_page);

}



function register_content(&$a) {

	$registration_is = '';
	$other_sites = '';

	if(get_config('system','register_policy') == REGISTER_CLOSED) {
		if(get_config('system','directory_mode') == DIRECTORY_MODE_STANDALONE) {
			notice( t('Registration on this hub is disabled.')  . EOL);
			return;
		}

		require_once('mod/pubsites.php');
		return pubsites_content($a);
	}

	if(get_config('system','register_policy') == REGISTER_APPROVE) {
		$registration_is = t('Registration on this hub is by approval only.');
		$other_sites = t('<a href="pubsites">Register at another affiliated hub.</a>');
	}

	$max_dailies = intval(get_config('system','max_daily_registrations'));
	if($max_dailies) {
		$r = q("select count(account_id) as total from account where account_created > %s - INTERVAL %s",
			db_utcnow(), db_quoteinterval('1 day')
		);
		if($r && $r[0]['total'] >= $max_dailies) {
			logger('max daily registrations exceeded.');
			notice( t('This site has exceeded the number of allowed daily account registrations. Please try again tomorrow.') . EOL);
			return;
		}
	}

	// Configurable terms of service link

	$tosurl = get_config('system','tos_url');
	if(! $tosurl)
		$tosurl = $a->get_baseurl() . '/help/TermsOfService';

	$toslink = '<a href="' . $tosurl . '" target="_blank">' . t('Terms of Service') . '</a>';

	// Configurable whether to restrict age or not - default is based on international legal requirements
	// This can be relaxed if you are on a restricted server that does not share with public servers

	if(get_config('system','no_age_restriction')) 
		$label_tos = sprintf( t('I accept the %s for this website'), $toslink);
	else
		$label_tos = sprintf( t('I am over 13 years of age and accept the %s for this website'), $toslink);

	$enable_tos = 1 - intval(get_config('system','no_termsofservice'));

	$email        = array('email', t('Your email address'), ((x($_REQUEST,'email')) ? strip_tags(trim($_REQUEST['email'])) : ""));
	$password     = array('password', t('Choose a password'), ((x($_REQUEST,'password')) ? trim($_REQUEST['password']) : ""));
	$password2    = array('password2', t('Please re-enter your password'), ((x($_REQUEST,'password2')) ? trim($_REQUEST['password2']) : ""));
	$invite_code  = array('invite_code', t('Please enter your invitation code'), ((x($_REQUEST,'invite_code')) ? strip_tags(trim($_REQUEST['invite_code'])) : ""));
	$name = array('name', t('Name or caption'), ((x($_REQUEST,'name')) ? $_REQUEST['name'] : ''), t('Examples: "Bob Jameson", "Lisa and her Horses", "Soccer", "Aviation Group"'));
	$nickhub = '@' . str_replace(array('http://','https://','/'), '', get_config('system','baseurl'));
	$nickname = array('nickname', t('Choose a short nickname'), ((x($_REQUEST,'nickname')) ? $_REQUEST['nickname'] : ''), sprintf( t('Your nickname will be used to create an easy to remember channel address e.g. nickname%s'), $nickhub));
	$privacy_role = ((x($_REQUEST,'permissions_role')) ? $_REQUEST['permissions_role'] : "");
	$role = array('permissions_role' , t('Channel role and privacy'), ($privacy_role) ? $privacy_role : 'social', t('Select a channel role with your privacy requirements.') . ' <a href="help/roles" target="_blank">' . t('Read more about roles') . '</a>',get_roles());
	$tos = array('tos', $label_tos, '', '', array(t('no'),t('yes')));

	$auto_create  = ((UNO) || (get_config('system','auto_channel_create')) ? true : false);
	$default_role = ((UNO) ? 'social' : get_config('system','default_permissions_role'));

	require_once('include/bbcode.php');

	$o = replace_macros(get_markup_template('register.tpl'), array(

		'$title'        => t('Registration'),
		'$reg_is'       => $registration_is,
		'$registertext' => bbcode(get_config('system','register_text')),
		'$other_sites'  => $other_sites,
		'$invitations'  => get_config('system','invitation_only'),
		'$invite_desc'  => t('Membership on this site is by invitation only.'),
		'$invite_code'  => $invite_code,
		'$auto_create'  => $auto_create,
		'$name'         => $name,
		'$role' 	=> $role,
		'$default_role' => $default_role,
		'$nickname'     => $nickname,
		'$tos'		=> $tos,
		'$email'        => $email,
		'$pass1'        => $password,
		'$pass2'        => $password2,
		'$submit'       => ((UNO || $auto_create || $registration_is) ? t('Register') : t('Proceed to create your first channel'))
	));

	return $o;

}