180 lines
6.9 KiB
PHP
180 lines
6.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Core\Renderer;
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use Friendica\DI;
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use Friendica\Model;
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use Friendica\Model\User;
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use Friendica\Network\HTTPException;
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use Friendica\Protocol\Email;
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use Friendica\Util\Strings;
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/**
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* Invite people to friendica
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*/
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class Invite extends BaseModule
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{
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public static function post(array $parameters = [])
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{
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if (!local_user()) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
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}
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self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
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$app = DI::app();
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$config = DI::config();
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$max_invites = intval($config->get('system', 'max_invites'));
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if (!$max_invites) {
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$max_invites = 50;
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}
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$current_invites = intval(DI::pConfig()->get(local_user(), 'system', 'sent_invites'));
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if ($current_invites > $max_invites) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Total invitation limit exceeded.'));
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}
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$recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
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$message = !empty($_POST['message']) ? Strings::escapeTags(trim($_POST['message'])) : '';
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$total = 0;
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$invitation_only = false;
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$invites_remaining = null;
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if ($config->get('system', 'invitation_only')) {
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$invitation_only = true;
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$invites_remaining = DI::pConfig()->get(local_user(), 'system', 'invites_remaining');
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if ((!$invites_remaining) && (!$app->isSiteAdmin())) {
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throw new HTTPException\ForbiddenException();
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}
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}
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$user = User::getById(local_user());
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foreach ($recipients as $recipient) {
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$recipient = trim($recipient);
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if (!filter_var($recipient, FILTER_VALIDATE_EMAIL)) {
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notice(DI::l10n()->t('%s : Not a valid email address.', $recipient));
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continue;
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}
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if ($invitation_only && ($invites_remaining || $app->isSiteAdmin())) {
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$code = Model\Register::createForInvitation();
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$nmessage = str_replace('$invite_code', $code, $message);
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if (!$app->isSiteAdmin()) {
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$invites_remaining--;
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if ($invites_remaining >= 0) {
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DI::pConfig()->set(local_user(), 'system', 'invites_remaining', $invites_remaining);
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} else {
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return;
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}
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}
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} else {
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$nmessage = $message;
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}
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$additional_headers = 'From: "' . $user['email'] . '" <' . DI::emailer()->getSiteEmailAddress() . ">\n"
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. 'Content-type: text/plain; charset=UTF-8' . "\n"
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. 'Content-transfer-encoding: 8bit';
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$res = mail(
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$recipient,
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Email::encodeHeader(DI::l10n()->t('Please join us on Friendica'), 'UTF-8'),
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$nmessage,
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$additional_headers);
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if ($res) {
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$total++;
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$current_invites++;
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DI::pConfig()->set(local_user(), 'system', 'sent_invites', $current_invites);
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if ($current_invites > $max_invites) {
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notice(DI::l10n()->t('Invitation limit exceeded. Please contact your site administrator.'));
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return;
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}
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} else {
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notice(DI::l10n()->t('%s : Message delivery failed.', $recipient));
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}
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}
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info(DI::l10n()->tt('%d message sent.', '%d messages sent.', $total));
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}
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public static function content(array $parameters = [])
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{
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if (!local_user()) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
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}
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$app = DI::app();
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$config = DI::config();
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$inviteOnly = false;
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if ($config->get('system', 'invitation_only')) {
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$inviteOnly = true;
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$x = DI::pConfig()->get(local_user(), 'system', 'invites_remaining');
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if ((!$x) && (!$app->isSiteAdmin())) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('You have no more invitations available'));
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}
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}
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$dirLocation = $config->get('system', 'directory');
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if (strlen($dirLocation)) {
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if ($config->get('config', 'register_policy') === Register::CLOSED) {
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$linkTxt = DI::l10n()->t('Visit %s for a list of public sites that you can join. Friendica members on other sites can all connect with each other, as well as with members of many other social networks.', $dirLocation . '/servers');
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} else {
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$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s or any other public Friendica website.', DI::baseUrl()->get())
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. "\r\n" . "\r\n" . DI::l10n()->t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks. See %s for a list of alternate Friendica sites you can join.', $dirLocation . '/servers');
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}
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} else { // there is no global directory URL defined
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if ($config->get('config', 'register_policy') === Register::CLOSED) {
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return DI::l10n()->t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
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} else {
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$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s.', DI::baseUrl()->get()
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. "\r\n" . "\r\n" . DI::l10n()->t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks.'));
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}
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}
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$tpl = Renderer::getMarkupTemplate('invite.tpl');
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return Renderer::replaceMacros($tpl, [
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'$form_security_token' => self::getFormSecurityToken('send_invite'),
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'$title' => DI::l10n()->t('Send invitations'),
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'$recipients' => ['recipients', DI::l10n()->t('Enter email addresses, one per line:')],
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'$message' => [
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'message',
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DI::l10n()->t('Your message:'),
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DI::l10n()->t('You are cordially invited to join me and other close friends on Friendica - and help us to create a better social web.') . "\r\n" . "\r\n"
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. $linkTxt
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. "\r\n" . "\r\n" . (($inviteOnly) ? DI::l10n()->t('You will need to supply this invitation code: $invite_code') . "\r\n" . "\r\n" : '') . DI::l10n()->t('Once you have registered, please connect with me via my profile page at:')
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. "\r\n" . "\r\n" . DI::baseUrl()->get() . '/profile/' . $app->getLoggedInUserNickname()
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. "\r\n" . "\r\n" . DI::l10n()->t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n",
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],
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'$submit' => DI::l10n()->t('Submit')
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]);
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}
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}
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