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make search results privacy-aware

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This commit is contained in:
Evan Prodromou 2011-04-11 18:59:58 -04:00
parent 9204719522
commit 4331b8b4f1
3 changed files with 138 additions and 34 deletions
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53
actions/noticesearch.php
View File

@ -63,6 +63,21 @@ class NoticesearchAction extends SearchAction
303);
}
if (!empty($this->q)) {
$profile = Profile::current();
$stream = new SearchNoticeStream($this->q, $profile);
$page = $this->trimmed('page');
if (empty($page)) {
$page = 1;
} else {
$page = (int)$page;
}
$this->notice = $stream->getNotices((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
}
common_set_returnto($this->selfUrl());
return true;
@ -117,18 +132,25 @@ class NoticesearchAction extends SearchAction
*/
function showResults($q, $page)
{
$notice = new Notice();
$search_engine = $notice->getSearchEngine('notice');
$search_engine->set_sort_mode('chron');
// Ask for an extra to see if there's more.
$search_engine->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
if (false === $search_engine->query($q)) {
$cnt = 0;
} else {
$cnt = $notice->find();
if ($this->notice->N === 0) {
$this->showEmptyResults($q, $page);
}
if ($cnt === 0) {
if (Event::handle('StartNoticeSearchShowResults', array($this, $q, $this->notice))) {
$terms = preg_split('/[\s,]+/', $q);
$nl = new SearchNoticeList($this->notice, $this, $terms);
$cnt = $nl->show();
$this->pagination($page > 1,
$cnt > NOTICES_PER_PAGE,
$page,
'noticesearch',
array('q' => $q));
Event::handle('EndNoticeSearchShowResults', array($this, $q, $this->notice));
}
}
function showEmptyResults($q, $page)
{
// TRANS: Text for notice search results is the query had no results.
$this->element('p', 'error', _('No results.'));
@ -148,15 +170,6 @@ class NoticesearchAction extends SearchAction
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
return;
}
if (Event::handle('StartNoticeSearchShowResults', array($this, $q, $notice))) {
$terms = preg_split('/[\s,]+/', $q);
$nl = new SearchNoticeList($notice, $this, $terms);
$cnt = $nl->show();
$this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'noticesearch', array('q' => $q));
Event::handle('EndNoticeSearchShowResults', array($this, $q, $notice));
}
}
function showScripts()

27
classes/Memcached_DataObject.php
View File

@ -273,24 +273,23 @@ class Memcached_DataObject extends Safe_DataObject
function getSearchEngine($table)
{
require_once INSTALLDIR.'/lib/search_engines.php';
static $search_engine;
if (!isset($search_engine)) {
if (Event::handle('GetSearchEngine', array($this, $table, &$search_engine))) {
if ('mysql' === common_config('db', 'type')) {
$type = common_config('search', 'type');
if ($type == 'like') {
$search_engine = new MySQLLikeSearch($this, $table);
} else if ($type == 'fulltext') {
$search_engine = new MySQLSearch($this, $table);
} else {
// Low level exception. No need for i18n as discussed with Brion.
throw new ServerException('Unknown search type: ' . $type);
}
if (Event::handle('GetSearchEngine', array($this, $table, &$search_engine))) {
if ('mysql' === common_config('db', 'type')) {
$type = common_config('search', 'type');
if ($type == 'like') {
$search_engine = new MySQLLikeSearch($this, $table);
} else if ($type == 'fulltext') {
$search_engine = new MySQLSearch($this, $table);
} else {
$search_engine = new PGSearch($this, $table);
// Low level exception. No need for i18n as discussed with Brion.
throw new ServerException('Unknown search type: ' . $type);
}
} else {
$search_engine = new PGSearch($this, $table);
}
}
return $search_engine;
}

92
lib/searchnoticestream.php Normal file
View File

@ -0,0 +1,92 @@
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Stream of notice results
*
* PHP version 5
*
* 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/>.
*
* @category Stream
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Stream of notice search results
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class SearchNoticeStream extends ScopingNoticeStream
{
function __construct($q, $profile = -1)
{
if (is_int($profile) && $profile == -1) {
$profile = Profile::current();
}
parent::__construct(new RawSearchNoticeStream($q), $profile);
}
}
class RawSearchNoticeStream extends NoticeStream
{
protected $q;
function __construct($q)
{
$this->q = $q;
}
function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$notice = new Notice();
$search_engine = $notice->getSearchEngine('notice');
$search_engine->set_sort_mode('chron');
$search_engine->limit($offset, $limit);
$ids = array();
// wtf?
$search_engine->query($this->q);
if ($notice->find()) {
while ($notice->fetch()) {
$ids[] = $notice->id;
}
}
return $ids;
}
}