259 lines
7.7 KiB
PHP
259 lines
7.7 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Plugin that requires the user to have a validated email address before they
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* can post notices
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*
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* PHP version 5
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*
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* LICENCE: 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 published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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 <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @author Brion Vibber <brion@status.net>
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* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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/**
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* Plugin for requiring a validated email before posting.
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*
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* Enable this plugin using addPlugin('RequireValidatedEmail');
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*
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* @category Plugin
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @author Brion Vibber <brion@status.net>
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
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* @copyright 2009-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class RequireValidatedEmailPlugin extends Plugin
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{
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/**
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* Users created before this time will be grandfathered in
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* without the validation requirement.
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*/
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public $grandfatherCutoff = null;
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/**
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* If OpenID plugin is installed, users with a verified OpenID
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* association whose provider URL matches one of these regexes
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* will be considered to be sufficiently valid for our needs.
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*
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* For example, to trust WikiHow and Wikipedia OpenID users:
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*
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* addPlugin('RequireValidatedEmailPlugin', array(
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* 'trustedOpenIDs' => array(
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* '!^http://\w+\.wikihow\.com/!',
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* '!^http://\w+\.wikipedia\.org/!',
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* ),
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* ));
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*/
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public $trustedOpenIDs = array();
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/**
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* Event handler for notice saves; rejects the notice
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* if user's address isn't validated.
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*
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* @param Notice $notice The notice being saved
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*
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* @return bool hook result code
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*/
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function onStartNoticeSave($notice)
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{
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$user = User::staticGet('id', $notice->profile_id);
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if (!empty($user)) { // it's a remote notice
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if (!$this->validated($user)) {
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$msg = _m("You must validate your email address before posting.");
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throw new ClientException($msg);
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}
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}
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return true;
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}
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/**
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* Event handler for registration attempts; rejects the registration
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* if email field is missing.
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*
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* @param Action $action Action being executed
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*
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* @return bool hook result code
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*/
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function onStartRegistrationTry($action)
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{
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$email = $action->trimmed('email');
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if (empty($email)) {
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$action->showForm(_m('You must provide an email address to register.'));
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return false;
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}
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// Default form will run address format validation and reject if bad.
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return true;
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}
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/**
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* Check if a user has a validated email address or has been
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* otherwise grandfathered in.
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*
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* @param User $user User to valide
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*
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* @return bool
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*/
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protected function validated($user)
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{
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// The email field is only stored after validation...
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// Until then you'll find them in confirm_address.
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$knownGood = !empty($user->email) ||
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$this->grandfathered($user) ||
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$this->hasTrustedOpenID($user);
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// Give other plugins a chance to override, if they can validate
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// that somebody's ok despite a non-validated email.
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// FIXME: This isn't how to do it! Use Start*/End* instead
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Event::handle('RequireValidatedEmailPlugin_Override',
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array($user, &$knownGood));
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return $knownGood;
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}
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/**
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* Check if a user was created before the grandfathering cutoff.
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* If so, we won't need to check for validation.
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*
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* @param User $user User to check
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*
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* @return bool true if user is grandfathered
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*/
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protected function grandfathered($user)
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{
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if ($this->grandfatherCutoff) {
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$created = strtotime($user->created . " GMT");
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$cutoff = strtotime($this->grandfatherCutoff);
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if ($created < $cutoff) {
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return true;
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}
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}
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return false;
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}
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/**
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* Override for RequireValidatedEmail plugin. If we have a user who's
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* not validated an e-mail, but did come from a trusted provider,
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* we'll consider them ok.
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*
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* @param User $user User to check
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*
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* @return bool true if user has a trusted OpenID.
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*/
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function hasTrustedOpenID($user)
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{
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if ($this->trustedOpenIDs && class_exists('User_openid')) {
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foreach ($this->trustedOpenIDs as $regex) {
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$oid = new User_openid();
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$oid->user_id = $user->id;
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$oid->find();
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while ($oid->fetch()) {
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if (preg_match($regex, $oid->canonical)) {
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return true;
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}
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}
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}
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}
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return false;
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}
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/**
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* Add version information for this plugin.
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*
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* @param array &$versions Array of associative arrays of version data
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*
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* @return boolean hook value
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*/
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function onPluginVersion(&$versions)
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{
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$versions[] =
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array('name' => 'Require Validated Email',
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'version' => STATUSNET_VERSION,
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'author' => 'Craig Andrews, '.
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'Evan Prodromou, '.
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'Brion Vibber',
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'homepage' =>
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'http://status.net/wiki/Plugin:RequireValidatedEmail',
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'rawdescription' =>
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_m('Disables posting without a validated email address.'));
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return true;
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}
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/**
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* Hide the notice form if the user isn't able to post.
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*
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* @param Action $action action being shown
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*
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* @return boolean hook value
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*/
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function onStartShowNoticeForm($action)
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{
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$user = common_current_user();
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if (!empty($user)) { // it's a remote notice
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if (!$this->validated($user)) {
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return false;
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}
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}
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return true;
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}
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/**
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* Prevent unvalidated folks from creating spam groups.
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*
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* @param Profile $profile User profile we're checking
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* @param string $right rights key
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* @param boolean $result if overriding, set to true/false has right
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* @return boolean hook result value
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*/
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function onUserRightsCheck(Profile $profile, $right, &$result)
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{
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if ($right == Right::CREATEGROUP) {
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$user = User::staticGet('id', $profile->id);
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if ($user && !$this->validated($user)) {
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$result = false;
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return false;
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}
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}
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return true;
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}
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}
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