gnu-social/actions/invite.php

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<?php
/*
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008-2011, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
// @todo XXX: Add documentation.
class InviteAction extends Action
{
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var $mode = null;
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var $error = null;
var $already = null;
var $subbed = null;
var $sent = null;
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function showNoticeForm()
{
return;
}
function isReadOnly($args)
{
return false;
}
function handle($args)
{
parent::handle($args);
if (!common_config('invite', 'enabled')) {
// TRANS: Client error displayed when trying to sent invites while they have been disabled.
$this->clientError(_('Invites have been disabled.'));
} else if (!common_logged_in()) {
// TRANS: Client error displayed when trying to sent invites while not logged in.
// TRANS: %s is the StatusNet site name.
$this->clientError(sprintf(_('You must be logged in to invite other users to use %s.'),
common_config('site', 'name')));
return;
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->sendInvitations();
} else {
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$this->showForm();
}
}
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function sendInvitations()
{
if (Event::handle('StartSendInvitations', array(&$this))) {
// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
// TRANS: Client error displayed when the session token does not match or is not given.
$this->showForm(_('There was a problem with your session token. Try again, please.'));
return;
}
$user = common_current_user();
$profile = $user->getProfile();
$bestname = $profile->getBestName();
$sitename = common_config('site', 'name');
$personal = $this->trimmed('personal');
$addresses = explode("\n", $this->trimmed('addresses'));
foreach ($addresses as $email) {
$email = trim($email);
$valid = null;
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try {
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if (Event::handle('StartValidateUserEmail', array(null, $email, &$valid))) {
$valid = Validate::email($email, common_config('email', 'check_domain'));
Event::handle('EndValidateUserEmail', array(null, $email, &$valid));
}
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if ($valid) {
if (Event::handle('StartValidateEmailInvite', array($user, $email, &$valid))) {
$valid = true;
Event::handle('EndValidateEmailInvite', array($user, $email, &$valid));
}
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}
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if (!$valid) {
// TRANS: Form validation message when providing an e-mail address that does not validate.
// TRANS: %s is an invalid e-mail address.
$this->showForm(sprintf(_('Invalid email address: %s.'), $email));
return;
}
} catch (ClientException $e) {
$this->showForm($e->getMessage());
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return;
}
}
$this->already = array();
$this->subbed = array();
foreach ($addresses as $email) {
$email = common_canonical_email($email);
try {
// If this user is already registered, subscribe to it!
$other = Profile::getByEmail($email);
if ($user->isSubscribed($other)) {
$this->already[] = $other;
} else {
try {
Subscription::start($profile, $other);
$this->subbed[] = $other;
} catch (Exception $e) {
// subscription failed, but keep working
common_debug('Invitation-based subscription failed: '.$e->getMessage());
}
}
} catch (NoSuchUserException $e) {
// If email was not known, let's send an invite!
$this->sent[] = $email;
$this->sendInvitation($email, $user, $personal);
}
}
$this->mode = 'sent';
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$this->showPage();
Event::handle('EndSendInvitations', array($this));
}
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}
function showScripts()
{
parent::showScripts();
$this->autofocus('addresses');
}
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function title()
{
if ($this->mode == 'sent') {
// TRANS: Page title when invitations have been sent.
return _('Invitations sent');
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} else {
// TRANS: Page title when inviting potential users.
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return _('Invite new users');
}
}
function showContent()
{
if ($this->mode == 'sent') {
$this->showInvitationSuccess();
} else {
$this->showInviteForm();
}
}
function showInvitationSuccess()
{
if (Event::handle('StartShowInvitationSuccess', array($this))) {
if ($this->already) {
// TRANS: Message displayed inviting users to use a StatusNet site while the inviting user
// TRANS: is already subscribed to one or more users with the given e-mail address(es).
// TRANS: Plural form is based on the number of reported already subscribed e-mail addresses.
// TRANS: Followed by a bullet list.
$this->element('p', null, _m('You are already subscribed to this user:',
'You are already subscribed to these users:',
count($this->already)));
$this->elementStart('ul');
foreach ($this->already as $other) {
// TRANS: Used as list item for already subscribed users (%1$s is nickname, %2$s is e-mail address).
$this->element('li', null, sprintf(_m('INVITE','%1$s (%2$s)'), $other->nickname, $other->email));
}
$this->elementEnd('ul');
}
if ($this->subbed) {
// TRANS: Message displayed inviting users to use a StatusNet site while the invited user
// TRANS: already uses a this StatusNet site. Plural form is based on the number of
// TRANS: reported already present people. Followed by a bullet list.
$this->element('p', null, _m('This person is already a user and you were automatically subscribed:',
'These people are already users and you were automatically subscribed to them:',
count($this->subbed)));
$this->elementStart('ul');
foreach ($this->subbed as $other) {
// TRANS: Used as list item for already registered people (%1$s is nickname, %2$s is e-mail address).
$this->element('li', null, sprintf(_m('INVITE','%1$s (%2$s)'), $other->nickname, $other->email));
}
$this->elementEnd('ul');
}
if ($this->sent) {
// TRANS: Message displayed inviting users to use a StatusNet site. Plural form is
// TRANS: based on the number of invitations sent. Followed by a bullet list of
// TRANS: e-mail addresses to which invitations were sent.
$this->element('p', null, _m('Invitation sent to the following person:',
'Invitations sent to the following people:',
count($this->sent)));
$this->elementStart('ul');
foreach ($this->sent as $other) {
$this->element('li', null, $other);
}
$this->elementEnd('ul');
// TRANS: Generic message displayed after sending out one or more invitations to
// TRANS: people to join a StatusNet site.
$this->element('p', null, _('You will be notified when your invitees accept the invitation and register on the site. Thanks for growing the community!'));
}
Event::handle('EndShowInvitationSuccess', array($this));
}
}
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function showPageNotice()
{
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if ($this->mode != 'sent') {
if ($this->error) {
$this->element('p', 'error', $this->error);
} else {
$this->elementStart('div', 'instructions');
$this->element('p', null,
// TRANS: Form instructions.
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_('Use this form to invite your friends and colleagues to use this service.'));
$this->elementEnd('div');
}
}
}
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function showForm($error=null)
{
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$this->mode = 'form';
$this->error = $error;
$this->showPage();
}
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function showInviteForm()
{
if (Event::handle('StartShowInviteForm', array($this))) {
$form = new InviteForm($this);
$form->show();
Event::handle('EndShowInviteForm', array($this));
}
}
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function sendInvitation($email, $user, $personal)
{
$profile = $user->getProfile();
$bestname = $profile->getBestName();
$sitename = common_config('site', 'name');
$invite = new Invitation();
$invite->address = $email;
$invite->address_type = 'email';
$invite->code = common_confirmation_code(128);
$invite->user_id = $user->id;
$invite->created = common_sql_now();
if (!$invite->insert()) {
common_log_db_error($invite, 'INSERT', __FILE__);
return false;
}
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$confirmUrl = common_local_url('register', array('code' => $invite->code));
$recipients = array($email);
$headers['From'] = mail_notify_from();
$headers['To'] = trim($email);
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$headers['Content-Type'] = 'text/html; charset=UTF-8';
// TRANS: Subject for invitation email. Note that 'them' is correct as a gender-neutral
// TRANS: singular 3rd-person pronoun in English. %1$s is the inviting user, $2$s is
// TRANS: the StatusNet sitename.
$headers['Subject'] = sprintf(_('%1$s has invited you to join them on %2$s'), $bestname, $sitename);
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$title = (empty($personal)) ? 'invite' : 'invitepersonal';
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// @todo FIXME: i18n issue.
$inviteTemplate = DocFile::forTitle($title, DocFile::mailPaths());
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$body = $inviteTemplate->toHTML(array('inviter' => $bestname,
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'inviterurl' => $profile->profileurl,
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'confirmurl' => $confirmUrl,
'personal' => $personal));
common_debug('Confirm URL is ' . common_local_url('register', array('code' => $invite->code)));
mail_send($recipients, $headers, $body);
}
}