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<?php
class Piwik_LogStats_Visit
{
protected $cookieLog = null;
protected $visitorInfo = array();
protected $userSettingsInformation = null;
function __construct( $db )
{
$this->db = $db;
$idsite = Piwik_Common::getRequestVar('idsite', 0, 'int');
if($idsite <= 0)
{
throw new Exception("The 'idsite' in the request is invalide.");
}
$this->idsite = $idsite;
}
protected function getCurrentDate( $format = "Y-m-d")
{
return date($format, $this->getCurrentTimestamp() );
}
protected function getCurrentTimestamp()
{
return time();
}
protected function getDatetimeFromTimestamp($timestamp)
{
return date("Y-m-d H:i:s",$timestamp);
}
// test if the visitor is excluded because of
// - IP
// - cookie
// - configuration option?
private function isExcluded()
{
$excluded = 0;
if($excluded)
{
printDebug("Visitor excluded.");
return true;
}
return false;
}
private function getCookieName()
{
return Piwik_LogStats_Config::getInstance()->LogStats['cookie_name'] . $this->idsite;
}
/**
* This methods tries to see if the visitor has visited the website before.
*
* We have to split the visitor into one of the category
* - Known visitor
* - New visitor
*
* A known visitor is a visitor that has already visited the website in the current month.
* We define a known visitor using the algorithm:
*
* 1) Checking if a cookie contains
* // a unique id for the visitor
* - id_visitor
*
* // the timestamp of the last action in the most recent visit
* - timestamp_last_action
*
* // the timestamp of the first action in the most recent visit
* - timestamp_first_action
*
* // the ID of the most recent visit (which could be in the past or the current visit)
* - id_visit
*
* // the ID of the most recent action
* - id_last_action
*
* 2) If the visitor doesn't have a cookie, we try to look for a similar visitor configuration.
* We search for a visitor with the same plugins/OS/Browser/Resolution for today for this website.
*/
private function recognizeTheVisitor()
{
$this->visitorKnown = false;
$this->cookieLog = new Piwik_LogStats_Cookie( $this->getCookieName() );
/*
* Case the visitor has the piwik cookie.
* We make sure all the data that should saved in the cookie is available.
*/
if( false !== ($idVisitor = $this->cookieLog->get( Piwik_LogStats::COOKIE_INDEX_IDVISITOR )) )
{
$timestampLastAction = $this->cookieLog->get( Piwik_LogStats::COOKIE_INDEX_TIMESTAMP_LAST_ACTION );
$timestampFirstAction = $this->cookieLog->get( Piwik_LogStats::COOKIE_INDEX_TIMESTAMP_FIRST_ACTION );
$idVisit = $this->cookieLog->get( Piwik_LogStats::COOKIE_INDEX_ID_VISIT );
$idLastAction = $this->cookieLog->get( Piwik_LogStats::COOKIE_INDEX_ID_LAST_ACTION );
if( $timestampLastAction !== false && is_numeric($timestampLastAction)
&& $timestampFirstAction !== false && is_numeric($timestampFirstAction)
&& $idVisit !== false && is_numeric($idVisit)
&& $idLastAction !== false && is_numeric($idLastAction)
)
{
$this->visitorInfo['visitor_idcookie'] = $idVisitor;
$this->visitorInfo['visit_last_action_time'] = $timestampLastAction;
$this->visitorInfo['visit_first_action_time'] = $timestampFirstAction;
$this->visitorInfo['idvisit'] = $idVisit;
$this->visitorInfo['visit_exit_idaction'] = $idLastAction;
$this->visitorKnown = true;
printDebug("The visitor is known because he has the piwik cookie (idcookie = {$this->visitorInfo['visitor_idcookie']}, idvisit = {$this->visitorInfo['idvisit']}, last action = ".date("r", $this->visitorInfo['visit_last_action_time']).") ");
}
}
/*
* If the visitor doesn't have the piwik cookie, we look for a visitor that has exactly the same configuration
* and that visited the website today.
*/
if( !$this->visitorKnown )
{
$userInfo = $this->getUserSettingsInformation();
$md5Config = $userInfo['config_md5config'];
$visitRow = $this->db->fetch(
" SELECT visitor_idcookie,
UNIX_TIMESTAMP(visit_last_action_time) as visit_last_action_time,
UNIX_TIMESTAMP(visit_first_action_time) as visit_first_action_time,
idvisit,
visit_exit_idaction
FROM ".$this->db->prefixTable('log_visit').
" WHERE visit_server_date = ?
AND idsite = ?
AND config_md5config = ?
ORDER BY visit_last_action_time DESC
LIMIT 1",
array( $this->getCurrentDate(), $this->idsite, $md5Config));
if($visitRow
&& count($visitRow) > 0)
{
$this->visitorInfo['visitor_idcookie'] = $visitRow['visitor_idcookie'];
$this->visitorInfo['visit_last_action_time'] = $visitRow['visit_last_action_time'];
$this->visitorInfo['visit_first_action_time'] = $visitRow['visit_first_action_time'];
$this->visitorInfo['idvisit'] = $visitRow['idvisit'];
$this->visitorInfo['visit_exit_idaction'] = $visitRow['visit_exit_idaction'];
$this->visitorKnown = true;
printDebug("The visitor is known because of his userSettings+IP (idcookie = {$visitRow['visitor_idcookie']}, idvisit = {$this->visitorInfo['idvisit']}, last action = ".date("r", $this->visitorInfo['visit_last_action_time']).") ");
}
}
}
private function getUserSettingsInformation()
{
// we already called this method before, simply returns the result
if(is_array($this->userSettingsInformation))
{
return $this->userSettingsInformation;
}
$plugin_Flash = Piwik_Common::getRequestVar( 'fla', 0, 'int');
$plugin_Director = Piwik_Common::getRequestVar( 'dir', 0, 'int');
$plugin_Quicktime = Piwik_Common::getRequestVar( 'qt', 0, 'int');
$plugin_RealPlayer = Piwik_Common::getRequestVar( 'realp', 0, 'int');
$plugin_Pdf = Piwik_Common::getRequestVar( 'pdf', 0, 'int');
$plugin_WindowsMedia = Piwik_Common::getRequestVar( 'wma', 0, 'int');
$plugin_Java = Piwik_Common::getRequestVar( 'java', 0, 'int');
$plugin_Cookie = Piwik_Common::getRequestVar( 'cookie', 0, 'int');
$userAgent = Piwik_Common::sanitizeInputValues(@$_SERVER['HTTP_USER_AGENT']);
$aBrowserInfo = Piwik_Common::getBrowserInfo($userAgent);
$browserName = $aBrowserInfo['name'];
$browserVersion = $aBrowserInfo['version'];
$os = Piwik_Common::getOs($userAgent);
$resolution = Piwik_Common::getRequestVar('res', 'unknown', 'string');
$colorDepth = Piwik_Common::getRequestVar('col', 32, 'numeric');
$ip = Piwik_Common::getIp();
$ip = ip2long($ip);
$browserLang = Piwik_Common::sanitizeInputValues(@$_SERVER['HTTP_ACCEPT_LANGUAGE']);
if(is_null($browserLang))
{
$browserLang = '';
}
$configurationHash = $this->getConfigHash(
$os,
$browserName,
$browserVersion,
$resolution,
$colorDepth,
$plugin_Flash,
$plugin_Director,
$plugin_RealPlayer,
$plugin_Pdf,
$plugin_WindowsMedia,
$plugin_Java,
$plugin_Cookie,
$ip,
$browserLang);
$this->userSettingsInformation = array(
'config_md5config' => $configurationHash,
'config_os' => $os,
'config_browser_name' => $browserName,
'config_browser_version' => $browserVersion,
'config_resolution' => $resolution,
'config_color_depth' => $colorDepth,
'config_pdf' => $plugin_Pdf,
'config_flash' => $plugin_Flash,
'config_java' => $plugin_Java,
'config_director' => $plugin_Director,
'config_quicktime' => $plugin_Quicktime,
'config_realplayer' => $plugin_RealPlayer,
'config_windowsmedia' => $plugin_WindowsMedia,
'config_cookie' => $plugin_RealPlayer,
'location_ip' => $ip,
'location_browser_lang' => $browserLang,
);
return $this->userSettingsInformation;
}
/**
* Returns true if the last action was done during the last 30 minutes
*/
private function isLastActionInTheSameVisit()
{
return $this->visitorInfo['visit_last_action_time']
>= ($this->getCurrentTimestamp() - Piwik_LogStats::VISIT_STANDARD_LENGTH);
}
private function isVisitorKnown()
{
return $this->visitorKnown === true;
}
/**
* Once we have the visitor information, we have to define if the visit is a new or a known visit.
*
* 1) When the last action was done more than 30min ago,
* or if the visitor is new, then this is a new visit.
*
* 2) If the last action is less than 30min ago, then the same visit is going on.
* Because the visit goes on, we can get the time spent during the last action.
*
* NB:
* - In the case of a new visit, then the time spent
* during the last action of the previous visit is unknown.
*
* - In the case of a new visit but with a known visitor,
* we can set the 'returning visitor' flag.
*
*/
/**
* In all the cases we set a cookie to the visitor with the new information.
*/
public function handle()
{
if(!$this->isExcluded())
{
$this->recognizeTheVisitor();
// known visitor
if($this->isVisitorKnown())
{
// the same visit is going on
if($this->isLastActionInTheSameVisit())
{
$this->handleKnownVisit();
}
// new visit
else
{
$this->handleNewVisit();
}
}
// new visitor => new visit
else
{
$this->handleNewVisit();
}
// we update the cookie with the new visit information
$this->updateCookie();
}
}
private function updateCookie()
{
printDebug("We manage the cookie...");
// idcookie has been generated in handleNewVisit or we simply propagate the old value
$this->cookieLog->set( Piwik_LogStats::COOKIE_INDEX_IDVISITOR,
$this->visitorInfo['visitor_idcookie'] );
// the last action timestamp is the current timestamp
$this->cookieLog->set( Piwik_LogStats::COOKIE_INDEX_TIMESTAMP_LAST_ACTION,
$this->visitorInfo['visit_last_action_time'] );
// the first action timestamp is the timestamp of the first action of the current visit
$this->cookieLog->set( Piwik_LogStats::COOKIE_INDEX_TIMESTAMP_FIRST_ACTION,
$this->visitorInfo['visit_first_action_time'] );
// the idvisit has been generated by mysql in handleNewVisit or simply propagated here
$this->cookieLog->set( Piwik_LogStats::COOKIE_INDEX_ID_VISIT,
$this->visitorInfo['idvisit'] );
// the last action ID is the current exit idaction
$this->cookieLog->set( Piwik_LogStats::COOKIE_INDEX_ID_LAST_ACTION,
$this->visitorInfo['visit_exit_idaction'] );
$this->cookieLog->save();
}
/**
* In the case of a known visit, we have to do the following actions:
*
* 1) Insert the new action
*
* 2) Update the visit information
*/
private function handleKnownVisit()
{
printDebug("Visit known.");
/**
* Init the action
*/
$action = new Piwik_LogStats_Action( $this->db );
$actionId = $action->getActionId();
printDebug("idAction = $actionId");
$serverTime = $this->getCurrentTimestamp();
$datetimeServer = $this->getDatetimeFromTimestamp($serverTime);
$this->db->query("UPDATE ". $this->db->prefixTable('log_visit')."
SET visit_last_action_time = ?,
visit_exit_idaction = ?,
visit_total_actions = visit_total_actions + 1,
visit_total_time = UNIX_TIMESTAMP(visit_last_action_time) - UNIX_TIMESTAMP(visit_first_action_time)
WHERE idvisit = ?
LIMIT 1",
array( $datetimeServer,
$actionId,
$this->visitorInfo['idvisit'] )
);
/**
* Save the action
*/
$timespentLastAction = $serverTime - $this->visitorInfo['visit_last_action_time'];
$action->record( $this->visitorInfo['idvisit'],
$this->visitorInfo['visit_exit_idaction'],
$timespentLastAction
);
/**
* Cookie fields to be updated
*/
$this->visitorInfo['visit_last_action_time'] = $serverTime;
$this->visitorInfo['visit_exit_idaction'] = $actionId;
}
/**
* In the case of a new visit, we have to do the following actions:
*
* 1) Insert the new action
*
* 2) Insert the visit information
*/
private function handleNewVisit()
{
printDebug("New Visit.");
/**
* Get the variables from the REQUEST
*/
// Configuration settings
$userInfo = $this->getUserSettingsInformation();
// General information
$localTime = Piwik_Common::getRequestVar( 'h', $this->getCurrentDate("H"), 'numeric')
.':'. Piwik_Common::getRequestVar( 'm', $this->getCurrentDate("i"), 'numeric')
.':'. Piwik_Common::getRequestVar( 's', $this->getCurrentDate("s"), 'numeric');
$serverDate = $this->getCurrentDate();
$serverTime = $this->getCurrentTimestamp();
if($this->isVisitorKnown())
{
$idcookie = $this->visitorInfo['visitor_idcookie'];
$returningVisitor = 1;
}
else
{
$idcookie = $this->getVisitorUniqueId();
$returningVisitor = 0;
}
$defaultTimeOnePageVisit = Piwik_LogStats_Config::getInstance()->LogStats['default_time_one_page_visit'];
// Location information
$country = Piwik_Common::getCountry($userInfo['location_browser_lang']);
$continent = Piwik_Common::getContinent( $country );
//Referer information
$refererInfo = $this->getRefererInformation();
/**
* Init the action
*/
$action = new Piwik_LogStats_Action( $this->db );
$actionId = $action->getActionId();
printDebug("idAction = $actionId");
/**
* Save the visitor
*/
$informationToSave = array(
//'idvisit' => ,
'idsite' => $this->idsite,
'visitor_localtime' => $localTime,
'visitor_idcookie' => $idcookie,
'visitor_returning' => $returningVisitor,
'visit_first_action_time' => $this->getDatetimeFromTimestamp($serverTime),
'visit_last_action_time' => $this->getDatetimeFromTimestamp($serverTime),
'visit_server_date' => $serverDate,
'visit_entry_idaction' => $actionId,
'visit_exit_idaction' => $actionId,
'visit_total_actions' => 1,
'visit_total_time' => $defaultTimeOnePageVisit,
'referer_type' => $refererInfo['referer_type'],
'referer_name' => $refererInfo['referer_name'],
'referer_url' => $refererInfo['referer_url'],
'referer_keyword' => $refererInfo['referer_keyword'],
'config_md5config' => $userInfo['config_md5config'],
'config_os' => $userInfo['config_os'],
'config_browser_name' => $userInfo['config_browser_name'],
'config_browser_version' => $userInfo['config_browser_version'],
'config_resolution' => $userInfo['config_resolution'],
'config_color_depth' => $userInfo['config_color_depth'],
'config_pdf' => $userInfo['config_pdf'],
'config_flash' => $userInfo['config_flash'],
'config_java' => $userInfo['config_java'],
'config_director' => $userInfo['config_director'],
'config_quicktime' => $userInfo['config_quicktime'],
'config_realplayer' => $userInfo['config_realplayer'],
'config_windowsmedia' => $userInfo['config_windowsmedia'],
'config_cookie' => $userInfo['config_cookie'],
'location_ip' => $userInfo['location_ip'],
'location_browser_lang' => $userInfo['location_browser_lang'],
'location_country' => $country,
'location_continent' => $continent,
);
$fields = implode(", ", array_keys($informationToSave));
$values = substr(str_repeat( "?,",count($informationToSave)),0,-1);
$this->db->query( "INSERT INTO ".$this->db->prefixTable('log_visit').
" ($fields) VALUES ($values)", array_values($informationToSave));
$idVisit = $this->db->lastInsertId();
// Update the visitor information attribute with this information array
$this->visitorInfo = $informationToSave;
$this->visitorInfo['idvisit'] = $idVisit;
// we have to save timestamp in the object properties, whereas mysql eats some other datetime format
$this->visitorInfo['visit_first_action_time'] = $serverTime;
$this->visitorInfo['visit_last_action_time'] = $serverTime;
/**
* Save the action
*/
$action->record( $idVisit, 0, 0 );
}
/**
* Returns an array containing the following information:
* - referer_type
* - direct -- absence of referer URL OR referer URL has the same host
* - site -- based on the referer URL
* - search_engine -- based on the referer URL
* - campaign -- based on campaign URL parameter
* - newsletter -- based on newsletter URL parameter
* - partner -- based on partner URL parameter
*
* - referer_name
* - ()
* - piwik.net -- site host name
* - google.fr -- search engine host name
* - adwords-search -- campaign name
* - beta-release -- newsletter name
* - my-nice-partner -- partner name
*
* - referer_keyword
* - ()
* - ()
* - my keyword
* - my paid keyword
* - ()
* - ()
*
* - referer_url : the same for all the referer types
*
*/
private function getRefererInformation()
{
// bool that says if the referer detection is done
$refererAnalyzed = false;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_DIRECT_ENTRY;
$nameRefererAnalyzed = '';
$keywordRefererAnalyzed = '';
$refererUrl = Piwik_Common::getRequestVar( 'urlref', '', 'string');
$currentUrl = Piwik_Common::getRequestVar( 'url', '', 'string');
$refererUrlParse = @parse_url($refererUrl);
$currentUrlParse = @parse_url($currentUrl);
if(isset($refererUrlParse['host'])
&& !empty($refererUrlParse['host']))
{
$refererHost = $refererUrlParse['host'];
$refererSH = $refererUrlParse['scheme'].'://'.$refererUrlParse['host'];
/*
* Search engine detection
*/
if( !$refererAnalyzed )
{
/*
* A referer is a search engine if the URL's host is in the SearchEngines array
* and if we found the keyword in the URL.
*
* For example if someone comes from http://www.google.com/partners.html this will not
* be counted as a search engines, but as a website referer from google.com (because the
* keyword couldn't be found in the URL)
*/
require_once PIWIK_DATAFILES_INCLUDE_PATH . "/SearchEngines.php";
if(array_key_exists($refererHost, $GLOBALS['Piwik_SearchEngines']))
{
// which search engine ?
$searchEngineName = $GLOBALS['Piwik_SearchEngines'][$refererHost][0];
$variableName = $GLOBALS['Piwik_SearchEngines'][$refererHost][1];
// if there is a query, there may be a keyword...
if(isset($refererUrlParse['query']))
{
$query = $refererUrlParse['query'];
//TODO: change the search engine file and use REGEXP; performance downside?
//TODO: port the phpmyvisites google-images hack here
// search for keywords now &vname=keyword
$key = strtolower(Piwik_Common::getParameterFromQueryString($query, $variableName));
//TODO test the search engine non-utf8 support
// for search engines that don't use utf-8
if((function_exists('iconv'))
&& (isset($GLOBALS['Piwik_SearchEngines'][$refererHost][2])))
{
$charset = trim($GLOBALS['searchEngines'][$refererHost][2]);
if(!empty($charset))
{
$key = htmlspecialchars(
@iconv( $charset,
'utf-8//TRANSLIT',
htmlspecialchars_decode($key, Piwik_Common::HTML_ENCODING_QUOTE_STYLE))
, Piwik_Common::HTML_ENCODING_QUOTE_STYLE);
}
}
if(!empty($key))
{
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_SEARCH_ENGINE;
$nameRefererAnalyzed = $searchEngineName;
$keywordRefererAnalyzed = $key;
}
}
}
}
/*
* Newsletter analysis
*/
if( !$refererAnalyzed )
{
if(isset($currentUrlParse['query']))
{
$newsletterVariableName = Piwik_LogStats_Config::getInstance()->LogStats['newsletter_var_name'];
$newsletterVar = Piwik_Common::getParameterFromQueryString( $currentUrlParse['query'], $newsletterVariableName);
if($newsletterVar !== false && !empty($newsletterVar))
{
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_NEWSLETTER;
$nameRefererAnalyzed = $newsletterVar;
}
}
}
/*
* Partner analysis
*/
//TODO handle partner from a list of known partner URLs
if( !$refererAnalyzed )
{
if(isset($currentUrlParse['query']))
{
$partnerVariableName = Piwik_LogStats_Config::getInstance()->LogStats['partner_var_name'];
$partnerVar = Piwik_Common::getParameterFromQueryString($currentUrlParse['query'], $partnerVariableName);
if($partnerVar !== false && !empty($partnerVar))
{
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_PARTNER;
$nameRefererAnalyzed = $partnerVar;
}
}
}
/*
* Campaign analysis
*/
if( !$refererAnalyzed )
{
if(isset($currentUrlParse['query']))
{
$campaignVariableName = Piwik_LogStats_Config::getInstance()->LogStats['campaign_var_name'];
$campaignName = Piwik_Common::getParameterFromQueryString($currentUrlParse['query'], $campaignVariableName);
if( $campaignName !== false && !empty($campaignName))
{
$campaignKeywordVariableName = Piwik_LogStats_Config::getInstance()->LogStats['campaign_keyword_var_name'];
$campaignKeyword = Piwik_Common::getParameterFromQueryString($currentUrlParse['query'], $campaignKeywordVariableName);
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_CAMPAIGN;
$nameRefererAnalyzed = $campaignName;
if(!empty($campaignKeyword))
{
$keywordRefererAnalyzed = $campaignKeyword;
}
}
}
}
/*
* Direct entry (referer host is similar to current host)
* And we have previously tried to detect the newsletter/partner/campaign variables in the URL
* so it can only be a direct access
*/
if( !$refererAnalyzed )
{
$currentUrlParse = @parse_url($currentUrl);
if(isset($currentUrlParse['host']))
{
$currentHost = $currentUrlParse['host'];
$currentSH = $currentUrlParse['scheme'].'://'.$currentUrlParse['host'];
if($currentHost == $refererHost)
{
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_DIRECT_ENTRY;
}
}
}
/*
* Normal website referer
*/
if( !$refererAnalyzed )
{
$refererAnalyzed = true;
$typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_WEBSITE;
$nameRefererAnalyzed = $refererHost;
}
}
$refererInformation = array(
'referer_type' => $typeRefererAnalyzed,
'referer_name' => $nameRefererAnalyzed,
'referer_keyword' => $keywordRefererAnalyzed,
'referer_url' => $refererUrl,
);
return $refererInformation;
}
private function getConfigHash( $os, $browserName, $browserVersion, $resolution, $colorDepth, $plugin_Flash, $plugin_Director, $plugin_RealPlayer, $plugin_Pdf, $plugin_WindowsMedia, $plugin_Java, $plugin_Cookie, $ip, $browserLang)
{
return md5( $os . $browserName . $browserVersion . $resolution . $colorDepth . $plugin_Flash . $plugin_Director . $plugin_RealPlayer . $plugin_Pdf . $plugin_WindowsMedia . $plugin_Java . $plugin_Cookie . $ip . $browserLang );
}
private function getVisitorUniqueId()
{
if($this->isVisitorKnown())
{
return -1;
}
else
{
return Piwik_Common::generateUniqId();
}
}
}
?>
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