262 lines
8.2 KiB
PHP
262 lines
8.2 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* Data structure for blog entries
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*
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* PHP version 5
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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 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 Blog
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Data structure for blog entries
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*
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* @category Blog
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class Blog_entry extends Managed_DataObject
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{
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public $__table = 'blog_entry';
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public $id; // UUID
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public $profile_id; // int
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public $title; // varchar(255)
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public $summary; // text
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public $content; // text
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public $uri; // text
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public $url; // text
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public $created; // datetime
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public $modified; // datetime
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const TYPE = ActivityObject::ARTICLE;
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function staticGet($k, $v=null)
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{
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return Managed_DataObject::staticGet('Blog_entry', $k, $v);
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}
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static function schemaDef()
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{
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return array(
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'description' => 'lite blog entry',
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'fields' => array(
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'id' => array('type' => 'char',
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'length' => 36,
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'not null' => true,
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'description' => 'Unique ID (UUID)'),
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'profile_id' => array('type' => 'int',
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'not null' => true,
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'description' => 'Author profile ID'),
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'title' => array('type' => 'varchar',
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'length' => 255,
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'description' => 'title of the entry'),
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'summary' => array('type' => 'text',
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'description' => 'initial summary'),
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'content' => array('type' => 'text',
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'description' => 'HTML content of the entry'),
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'uri' => array('type' => 'varchar',
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'length' => 255,
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'description' => 'URI (probably http://) for this entry'),
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'url' => array('type' => 'varchar',
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'length' => 255,
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'description' => 'URL (probably http://) for this entry'),
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'created' => array('type' => 'datetime',
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'not null' => true,
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'description' => 'date this record was created'),
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'modified' => array('type' => 'datetime',
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'not null' => true,
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'description' => 'date this record was created'),
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),
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'primary key' => array('id'),
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'unique keys' => array(
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'blog_entry_uri_key' => array('uri'),
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),
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'foreign keys' => array(
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'blog_entry_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
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),
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'indexes' => array(
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'blog_entry_created_idx' => array('created')
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),
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);
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}
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static function saveNew($profile, $title, $content, $options=null)
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{
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if (is_null($options)) {
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$options = array();
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}
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$be = new Blog_entry();
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$be->id = (string) new UUID();
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$be->profile_id = $profile->id;
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$be->title = $title; // Note: not HTML-protected
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$be->content = self::purify($content);
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if (array_key_exists('summary', $options)) {
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$be->summary = self::purify($options['summary']);
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} else {
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// Already purified
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$be->summary = self::summarize($be->content);
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}
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// Don't save an identical summary
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if ($be->summary == $be->content) {
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$be->summary = null;
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}
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$url = common_local_url('showblogentry', array('id' => $be->id));
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if (!array_key_exists('uri', $options)) {
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$options['uri'] = $url;
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}
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$be->uri = $options['uri'];
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if (!array_key_exists('url', $options)) {
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$options['url'] = $url;
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}
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$be->url = $options['url'];
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if (!array_key_exists('created', $options)) {
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$be->created = common_sql_now();
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}
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$be->created = $options['created'];
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$be->modified = common_sql_now();
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$be->insert();
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// Use user's preferences for short URLs, if possible
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try {
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$user = $profile->getUser();
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$shortUrl = File_redirection::makeShort($url,
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empty($user) ? null : $user);
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} catch (Exception $e) {
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// Don't let this stop us.
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$shortUrl = $url;
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}
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// XXX: this might be too long.
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if (!empty($be->summary)) {
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$options['rendered'] = $be->summary . ' ' .
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XMLStringer::estring('a', array('href' => $url,
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'class' => 'blog-entry'),
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_('More...'));
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$text = html_entity_decode(strip_tags($be->summary), ENT_QUOTES, 'UTF-8');
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} else {
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$options['rendered'] = $be->content;
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$text = html_entity_decode(strip_tags($be->content), ENT_QUOTES, 'UTF-8');
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}
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if (Notice::contentTooLong($text)) {
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$text = substr($text, 0, Notice::maxContent() - mb_strlen($shortUrl) - 2) .
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'… ' . $shortUrl;
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}
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// Override this no matter what.
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$options['object_type'] = self::TYPE;
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$source = array_key_exists('source', $options) ?
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$options['source'] : 'web';
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$saved = Notice::saveNew($profile->id, $text, $source, $options);
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return $saved;
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}
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/**
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* Summarize the contents of a blog post
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*
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* We take the first div or paragraph of the blog post if there's a hit;
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* Otherwise we take the whole thing.
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*
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* @param string $html HTML of full content
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*/
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static function summarize($html)
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{
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if (preg_match('#<p>.*?</p>#s', $html, $matches)) {
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return $matches[0];
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} else if (preg_match('#<div>.*?</div>#s', $html, $matches)) {
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return $matches[0];
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} else {
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return $html;
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}
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}
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static function fromNotice($notice)
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{
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return Blog_entry::staticGet('uri', $notice->uri);
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}
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function getNotice()
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{
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return Notice::staticGet('uri', $this->uri);
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}
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function asActivityObject()
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{
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$obj = new ActivityObject();
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$obj->id = $this->uri;
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$obj->type = self::TYPE;
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$obj->title = $this->title;
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$obj->summary = $this->summary;
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$obj->content = $this->content;
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$obj->link = $this->url;
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return $obj;
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}
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/**
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* Clean up input HTML
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*/
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static function purify($html)
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{
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require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
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$config = array('safe' => 1,
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'deny_attribute' => 'id,style,on*');
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$pure = htmLawed($html, $config);
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return $pure;
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}
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}
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