1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | <?php // // Open Web Analytics - An Open Source Web Analytics Framework // // Copyright 2006 Peter Adams. All rights reserved. // // Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // $Id$ // if(!class_exists('owa_observer')) { require_once(OWA_BASE_DIR.'owa_observer.php'); } require_once(OWA_BASE_DIR.DIRECTORY_SEPARATOR.'ini_db.php'); if (!class_exists('owa_http')) { require_once(OWA_BASE_DIR.DIRECTORY_SEPARATOR.'owa_httpRequest.php'); } /** * OWA Referer Event handlers * * @author Peter Adams <peter@openwebanalytics.com> * @copyright Copyright © 2006 Peter Adams <peter@openwebanalytics.com> * @license http://www.gnu.org/copyleft/gpl.html GPL v2.0 * @category owa * @package owa * @version $Revision$ * @since owa 1.0.0 */ class owa_refererHandlers extends owa_observer { /** * Notify Event Handler * * @param unknown_type $event * @access public */ function notify($event) { if (!$event->get('external_referer')) { return; } // Make entity $r = owa_coreAPI::entityFactory('base.referer'); $r->load( $r->generateId( $event->get( 'HTTP_REFERER' ) ) ); if ( ! $r->wasPersisted() ) { // set referer url $r->set('url', $event->get('HTTP_REFERER')); // check for search engine $se_info = $this->lookupSearchEngine($event->get('HTTP_REFERER')); if (!empty($se_info)) { $r->set('is_searchengine', true); $r->set('site_name', $se_info->name); } // Set site $url = parse_url($event->get('HTTP_REFERER')); $r->set('site', $url['host']); if ($event->get('source') === 'organic-search') { $r->set('is_searchengine', true); } // set title. this will be updated later by the crawler. $r->set('page_title', '(not set)'); // Set id $r->set('id', owa_lib::setStringGuid($event->get('HTTP_REFERER'))); // Crawl and analyze refering page if (owa_coreAPI::getSetting('base', 'fetch_refering_page_info')) { //owa_coreAPI::debug('hello from logReferer'); $crawler = new owa_http; //$crawler->fetch($this->params['HTTP_REFERER']); $res = $crawler->getRequest($event->get('HTTP_REFERER')); owa_coreAPI::debug('http request response: '.print_r($res, true)); //Extract Title $title = trim($crawler->extract_title()); if ($title) { $r->set('page_title', owa_lib::utf8Encode( $title ) ); } $se = $r->get('is_searchengine'); //Extract anchortext and page snippet but not if it's a search engine... if ($se != true) { $snippet = $crawler->extract_anchor_snippet($event->get('inbound_page_url')); if ($snippet) { if (function_exists('iconv')) { $snippet = iconv('UTF-8','UTF-8//TRANSLIT',$snippet); } $r->set('snippet', $snippet); } $anchortext = $crawler->anchor_info['anchor_text']; if ($anchortext) { $r->set('refering_anchortext', owa_lib::utf8Encode( $anchortext ) ); } } } // Persist to database $ret = $r->create(); if ( $ret ) { return OWA_EHS_EVENT_HANDLED; } else { return OWA_EHS_EVENT_FAILED; } } else { owa_coreAPI::debug('Not Persisting. Referrer already exists.'); return OWA_EHS_EVENT_HANDLED; } } /** * Lookup info about referring domain * * @param string $referer * @return object * @access private */ function lookupSearchEngine($referer) { /* Look for match against Search engine groups */ $db = new ini_db(owa_coreAPI::getSetting('base', 'search_engines.ini'), $sections = true); $se_info = $db->fetch($referer); if (!empty($se_info->name)): return $se_info; else: return false; endif; } } ?> |