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Diffstat (limited to 'plugins/Blacklist/Homepage_blacklist.php')
| -rw-r--r-- | plugins/Blacklist/Homepage_blacklist.php | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/plugins/Blacklist/Homepage_blacklist.php b/plugins/Blacklist/Homepage_blacklist.php new file mode 100644 index 000000000..32080667e --- /dev/null +++ b/plugins/Blacklist/Homepage_blacklist.php @@ -0,0 +1,189 @@ +<?php +/** + * Data class for homepage blacklisting + * + * PHP version 5 + * + * @category Data + * @package StatusNet + * @author Evan Prodromou <evan@status.net> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://status.net/ + * + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2009, 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('STATUSNET')) { + exit(1); +} + +require_once INSTALLDIR . '/classes/Memcached_DataObject.php'; + +/** + * Data class for Homepage blacklist + * + * @category Action + * @package StatusNet + * @author Evan Prodromou <evan@status.net> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://status.net/ + * + * @see DB_DataObject + */ + +class Homepage_blacklist extends Memcached_DataObject +{ + public $__table = 'homepage_blacklist'; // table name + public $pattern; // string pattern + public $created; // datetime + + /** + * Get an instance by key + * + * This is a utility method to get a single instance with a given key value. + * + * @param string $k Key to use to lookup (usually 'user_id' for this class) + * @param mixed $v Value to lookup + * + * @return Homepage_blacklist object found, or null for no hits + * + */ + + function staticGet($k, $v=null) + { + return Memcached_DataObject::staticGet('Homepage_blacklist', $k, $v); + } + + /** + * return table definition for DB_DataObject + * + * DB_DataObject needs to know something about the table to manipulate + * instances. This method provides all the DB_DataObject needs to know. + * + * @return array array of column definitions + */ + + function table() + { + return array('pattern' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL, + 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL); + } + + /** + * return key definitions for DB_DataObject + * + * DB_DataObject needs to know about keys that the table has; this function + * defines them. + * + * @return array key definitions + */ + + function keys() + { + return array('pattern' => 'K'); + } + + /** + * return key definitions for Memcached_DataObject + * + * Our caching system uses the same key definitions, but uses a different + * method to get them. + * + * @return array key definitions + */ + + function keyTypes() + { + return $this->keys(); + } + + /** + * Return a list of patterns to check + * + * @return array string patterns to check + */ + + static function getPatterns() + { + $patterns = self::cacheGet('homepage_blacklist:patterns'); + + if ($patterns === false) { + + $patterns = array(); + + $nb = new Homepage_blacklist(); + + $nb->find(); + + while ($nb->fetch()) { + $patterns[] = $nb->pattern; + } + + self::cacheSet('homepage_blacklist:patterns', $patterns); + } + + return $patterns; + } + + /** + * Save new list of patterns + * + * @return array of patterns to check + */ + + static function saveNew($newPatterns) + { + $oldPatterns = self::getPatterns(); + + // Delete stuff that's old that not in new + + $toDelete = array_diff($oldPatterns, $newPatterns); + + // Insert stuff that's in new and not in old + + $toInsert = array_diff($newPatterns, $oldPatterns); + + foreach ($toDelete as $pattern) { + $nb = Homepage_blacklist::staticGet('pattern', $pattern); + if (!empty($nb)) { + $nb->delete(); + } + } + + foreach ($toInsert as $pattern) { + $nb = new Homepage_blacklist(); + $nb->pattern = $pattern; + $nb->created = common_sql_now(); + $nb->insert(); + } + + self::blow('homepage_blacklist:patterns'); + } + + static function ensurePattern($pattern) + { + $hb = Homepage_blacklist::staticGet('pattern', $pattern); + + if (empty($nb)) { + $hb = new Homepage_blacklist(); + $hb->pattern = $pattern; + $hb->created = common_sql_now(); + $hb->insert(); + self::blow('homepage_blacklist:patterns'); + } + } +} |