130 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.2 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 to add ICBM metadata to HTML pages and report data to GeoURL.org
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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  Action
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 * @package   StatusNet
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 * @author    Evan Prodromou <evan@status.net>
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 * @copyright 2009 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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if (!defined('STATUSNET')) {
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    exit(1);
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}
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/**
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 * Plugin to add ICBM metadata to HTML pages and report data to GeoURL.org
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 *
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 * Adds metadata to notice and profile pages that geourl.org and others
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 * understand. Also, pings geourl.org when a new notice is saved or
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 * a profile is changed.
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 *
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 * @category Plugin
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 * @package  StatusNet
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 * @author   Evan Prodromou <evan@status.net>
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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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 * @seeAlso  Location
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 */
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class GeoURLPlugin extends Plugin
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{
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    public $ping = 'http://geourl.org/ping/';
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    /**
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     * Add extra <meta> headers for certain pages that geourl.org understands
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     *
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     * @param Action $action page being shown
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     *
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     * @return boolean event handler flag
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     */
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    function onEndShowHeadElements($action)
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    {
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        $name = $action->trimmed('action');
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        $location = null;
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        if ($name == 'showstream') {
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            $profile = $action->profile;
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            if (!empty($profile) && !empty($profile->lat) && !empty($profile->lon)) {
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                $location = $profile->lat . ', ' . $profile->lon;
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            }
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        } else if ($name == 'shownotice') {
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            $notice = $action->profile;
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            if (!empty($notice) && !empty($notice->lat) && !empty($notice->lon)) {
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                $location = $notice->lat . ', ' . $notice->lon;
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            }
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        }
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        if (!empty($location)) {
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            $action->element('meta', array('name' => 'ICBM',
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                                           'content' => $location));
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            $action->element('meta', array('name' => 'DC.title',
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                                           'content' => $action->title()));
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        }
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        return true;
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    }
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    /**
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     * Report local notices to GeoURL.org when they're created
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     *
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     * @param Notice &$notice queued notice
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     *
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     * @return boolean event handler flag
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     */
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    function onHandleQueuedNotice(&$notice)
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    {
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        if ($notice->is_local == 1) {
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            $request = HTTPClient::start();
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            $url = common_local_url('shownotice',
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                                    array('notice' => $notice->id));
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            try {
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                $request->post($this->ping,
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                               null,
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                               array('p' => $url));
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            } catch (HTTP_Request2_Exception $e) {
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                common_log(LOG_WARNING,
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                           "GeoURL.org ping failed for '$url' ($this->ping)");
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            }
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        }
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        return true;
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    }
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    function onPluginVersion(&$versions)
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    {
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        $versions[] = array('name' => 'GeoURL',
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                            'version' => GNUSOCIAL_VERSION,
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                            'author' => 'Evan Prodromou',
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                            'homepage' => 'http://status.net/wiki/Plugin:GeoURL',
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                            'rawdescription' =>
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                            // TRANS: Plugin description.
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                            _m('Ping <a href="http://geourl.org/">GeoURL</a> when '.
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                               'new geolocation-enhanced notices are posted.'));
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        return true;
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    }
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}
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