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| Dir : /home/jairosvt/public_html/publicidadaf/lib/max/Delivery/cookie.php |
<?php
/*
+---------------------------------------------------------------------------+
| Revive Adserver |
| http://www.revive-adserver.com |
| |
| Copyright: See the COPYRIGHT.txt file. |
| License: GPLv2 or later, see the LICENSE.txt file. |
+---------------------------------------------------------------------------+
*/
/**
* @package MaxDelivery
* @subpackage cookie
*/
$file = '/lib/max/Delivery/cookie.php';
###START_STRIP_DELIVERY
if(isset($GLOBALS['_MAX']['FILES'][$file])) {
return;
}
###END_STRIP_DELIVERY
$GLOBALS['_MAX']['FILES'][$file] = true;
$GLOBALS['_MAX']['COOKIE']['LIMITATIONS']['arrCappingCookieNames'] = array();
// Include the cookie storage library
if (!is_callable('MAX_cookieSet')) {
if (!empty($conf['cookie']['plugin']) && is_readable(MAX_PATH . "/plugins/cookieStorage/{$conf['cookie']['plugin']}.delivery.php")) {
include MAX_PATH . "/plugins/cookieStorage/{$conf['cookie']['plugin']}.delivery.php";
} else {
function MAX_cookieSet($name, $value, $expire, $path = '/', $domain = null) { return MAX_cookieClientCookieSet($name, $value, $expire, $path, $domain); }
function MAX_cookieUnset($name) { return MAX_cookieClientCookieUnset($name); }
function MAX_cookieFlush() { return MAX_cookieClientCookieFlush(); }
function MAX_cookieLoad() { return true; }
}
}
/**
* Adds a cookie into the global cookie cache
*
* @param string $name name of cookie to be set
* @param string $value value to be stored in the cookie
* @param string $expire timestamp at which the cookie should be set to expire
*
*/
function MAX_cookieAdd($name, $value, $expire = 0)
{
if (!isset($GLOBALS['_MAX']['COOKIE']['CACHE'])) {
$GLOBALS['_MAX']['COOKIE']['CACHE'] = array();
}
$GLOBALS['_MAX']['COOKIE']['CACHE'][$name] = array($value, $expire);
}
/**
* This function sets the viewerid cookie, and does a header redirect to self
* this lets us tell if a user allows permenant cookies to be set
*
* @param string $viewerId The viewerId value to attempt to set
*/
function MAX_cookieSetViewerIdAndRedirect($viewerId) {
$aConf = $GLOBALS['_MAX']['CONF'];
MAX_cookieAdd($aConf['var']['viewerId'], $viewerId, _getTimeYearFromNow());
MAX_cookieFlush();
// Determine if the access to OpenX was made using HTTPS
if ($GLOBALS['_MAX']['SSL_REQUEST']) {
$url = MAX_commonConstructSecureDeliveryUrl(basename($_SERVER['SCRIPT_NAME']));
} else {
$url = MAX_commonConstructDeliveryUrl(basename($_SERVER['SCRIPT_NAME']));
}
$url .= "?{$aConf['var']['cookieTest']}=1&" . $_SERVER['QUERY_STRING'];
MAX_header("Location: {$url}");
###START_STRIP_DELIVERY
if(empty($GLOBALS['is_simulation']) && !defined('TEST_ENVIRONMENT_RUNNING')) {
###END_STRIP_DELIVERY
exit;
###START_STRIP_DELIVERY
}
###END_STRIP_DELIVERY
}
function _getTimeThirtyDaysFromNow()
{
return MAX_commonGetTimeNow() + 2592000; // 30*24*60*60;
}
function _getTimeYearFromNow()
{
return MAX_commonGetTimeNow() + 31536000; // 365*24*60*60;
}
function _getTimeYearAgo()
{
return MAX_commonGetTimeNow() - 31536000; // 365*24*60*60;
}
/**
* This function unpacks the serialized array used for capping
*
*/
function MAX_cookieUnpackCapping()
{
$conf = $GLOBALS['_MAX']['CONF'];
$cookieNames = $GLOBALS['_MAX']['COOKIE']['LIMITATIONS']['arrCappingCookieNames'];
if (!is_array($cookieNames))
return;
// For each type of cookie, unpack and add any newly set cookies to this array
foreach ($cookieNames as $cookieName) {
if (!empty($_COOKIE[$cookieName])) {
if (!is_array($_COOKIE[$cookieName])) {
$output = array();
$data = explode('_', $_COOKIE[$cookieName]);
foreach ($data as $pair) {
list($name, $value) = explode('.', $pair);
$output[$name] = $value;
}
$_COOKIE[$cookieName] = $output;
}
}
if (!empty($_COOKIE['_' . $cookieName]) && is_array($_COOKIE['_' . $cookieName])) {
foreach ($_COOKIE['_' . $cookieName] as $adId => $cookie) {
if (_isBlockCookie($cookieName)) {
$_COOKIE[$cookieName][$adId] = $cookie;
} else {
if (isset($_COOKIE[$cookieName][$adId])) {
$_COOKIE[$cookieName][$adId] += $cookie;
} else {
$_COOKIE[$cookieName][$adId] = $cookie;
}
}
// Delete the temporary capping cookie
MAX_cookieUnset("_{$cookieName}[{$adId}]");
}
}
}
}
/**
* A function to return if a cookie name is a "blocking" cookie name
* (i.e. the ad blocking, campaign blocking or zone blocking cookie
* name defined in the configuration file).
*
* @param string $cookieName The name of the cookie (e.g. "MAXBLOCK").
* @return boolean True if $cookieName is one of the blocking cookie
* names, false otherwise.
*/
function _isBlockCookie($cookieName)
{
return in_array($cookieName, array(
$GLOBALS['_MAX']['CONF']['var']['blockAd'],
$GLOBALS['_MAX']['CONF']['var']['blockCampaign'],
$GLOBALS['_MAX']['CONF']['var']['blockZone'],
$GLOBALS['_MAX']['CONF']['var']['lastView'],
$GLOBALS['_MAX']['CONF']['var']['lastClick'],
$GLOBALS['_MAX']['CONF']['var']['blockLoggingClick'],
));
}
/**
* This function gets the unique user ID (creating if necessary)
* If a new viewerId was created, then a flag is set in $GLOBALS['_MAX']['COOKIE']['newViewerId']
*
* @param bool $create Should a viewer ID be created if not present in $_COOKIE ?
*
* @return string The viewer ID
*/
function MAX_cookieGetUniqueViewerId($create = true)
{
static $uniqueViewerId = null;
if(!is_null($uniqueViewerId)) {
return $uniqueViewerId;
}
$conf = $GLOBALS['_MAX']['CONF'];
if (isset($_COOKIE[$conf['var']['viewerId']])) {
$uniqueViewerId = $_COOKIE[$conf['var']['viewerId']];
} elseif ($create) {
$uniqueViewerId = md5(uniqid('', true)); // Need to find a way to generate this...
$GLOBALS['_MAX']['COOKIE']['newViewerId'] = true;
}
return $uniqueViewerId;
}
/**
* This function generates a psudo-unique user ID based on IP address and user-agent
*
* @return string The cookieless viewer ID
*/
function MAX_cookieGetCookielessViewerID()
{
if (empty($_SERVER['REMOTE_ADDR']) || empty($_SERVER['HTTP_USER_AGENT'])) {
return '';
}
$cookiePrefix = $GLOBALS['_MAX']['MAX_COOKIELESS_PREFIX'];
return $cookiePrefix . substr(md5($_SERVER['REMOTE_ADDR'].$_SERVER['HTTP_USER_AGENT']), 0, 32-(strlen($cookiePrefix)));
}
/**
* A function to check when capping cookies need to be set.
*
* @return boolean True if cookies need to be set on request
*/
function MAX_Delivery_cookie_cappingOnRequest()
{
// view and xmlrpc invocation types must set capping-on-request for technical reasons
if (isset($GLOBALS['_OA']['invocationType']) &&
($GLOBALS['_OA']['invocationType'] == 'xmlrpc' || $GLOBALS['_OA']['invocationType'] == 'view')
) {
return true;
}
return !$GLOBALS['_MAX']['CONF']['logging']['adImpressions'];
}
/**
* A function to set any capping cookies (ie. block, cap or sessionCap) that are required
* for an ad, a campaign or a zone.
*
* @param string $type The type of capping to set, one of "Ad", "Campaign" or "Zone".
* @param integer $id The ID of the ad, campaign or zone that the capping cookies are for.
* @param integer $block The number of seconds to block the ad, campaign or zone.
* @param integer $cap The total number of times a viewer can see an ad, an ad from the
* campaign, or an ad in a zone.
* @param integer $sessionCap The number of times per session that a viewer can see an
* ad, an ad from the campaign, or an ad in a zone.
*/
function MAX_Delivery_cookie_setCapping($type, $id, $block = 0, $cap = 0, $sessionCap = 0)
{
$conf = $GLOBALS['_MAX']['CONF'];
$setBlock = false;
if ($cap > 0) {
// This capping cookie requires a "permanent" expiration time
$expire = MAX_commonGetTimeNow() + $conf['cookie']['permCookieSeconds'];
// The unpack capping cookies function adds this value to the counter, so to reset it we add a negative number
if (!isset($_COOKIE[$conf['var']['cap' . $type]][$id])) {
$value = 1;
$setBlock = true;
} else if ($_COOKIE[$conf['var']['cap' . $type]][$id] >= $cap) {
$value = -$_COOKIE[$conf['var']['cap' . $type]][$id]+1;
// Also reset the last-seen when resetting the frequency counter
$setBlock = true;
} else {
$value = 1;
}
MAX_cookieAdd("_{$conf['var']['cap' . $type]}[{$id}]", $value, $expire);
}
if ($sessionCap > 0) {
// The unpack capping cookies function deals with imcrementing the counter
// The expiry is set to 0 to make a session cookie
// The unpack capping cookies function adds this value to the counter, so to reset it we add a negative number
if (!isset($_COOKIE[$conf['var']['sessionCap' . $type]][$id])) {
$value = 1;
$setBlock = true;
} else if ($_COOKIE[$conf['var']['sessionCap' . $type]][$id] >= $sessionCap) {
$value = -$_COOKIE[$conf['var']['sessionCap' . $type]][$id]+1;
// Also reset the last-seen when resetting the frequency counter
$setBlock = true;
} else {
$value = 1;
}
MAX_cookieAdd("_{$conf['var']['sessionCap' . $type]}[{$id}]", $value, 0);
}
if ($block > 0 || $setBlock) {
// This blocking cookie is limited to 30 days
// Store a cookie using the current time so that the system knows when
// the last time this viewer saw this ad, an ad in this campaign or an
// ad in this zone
MAX_cookieAdd("_{$conf['var']['block' . $type]}[{$id}]", MAX_commonGetTimeNow(), _getTimeThirtyDaysFromNow());
}
}
/**
* This function sets a cookie in the client's browser
*
* @param string $name - The name of the cookie to set
* @param mixed $value - The value to set for this cookie
* @param int $expire- The expiry time (unix timestamp) of this cookie
* @param string $path - The (optional) path that this cookie is valid for
* @param string $domain- The (optional) domain to set this cookie under
*
* @return null
*/
function MAX_cookieClientCookieSet($name, $value, $expire, $path = '/', $domain = null)
{
###START_STRIP_DELIVERY
if(empty($GLOBALS['is_simulation']) && !defined('TEST_ENVIRONMENT_RUNNING')) {
###END_STRIP_DELIVERY
if (isset($GLOBALS['_OA']['invocationType']) && $GLOBALS['_OA']['invocationType'] == 'xmlrpc') {
if (!isset($GLOBALS['_OA']['COOKIE']['XMLRPC_CACHE'])) {
$GLOBALS['_OA']['COOKIE']['XMLRPC_CACHE'] = array();
}
$GLOBALS['_OA']['COOKIE']['XMLRPC_CACHE'][$name] = array($value, $expire);
} else {
@setcookie($name, $value, $expire, $path, $domain);
}
###START_STRIP_DELIVERY
} else {
$_COOKIE[$name] = $value;
}
###END_STRIP_DELIVERY
}
function MAX_cookieClientCookieUnset($name)
{
$conf = $GLOBALS['_MAX']['CONF'];
$domain = (!empty($conf['cookie']['domain'])) ? $conf['cookie']['domain'] : null;
MAX_cookieSet($name, false, _getTimeYearAgo(), '/', $domain);
// Work around a bug in IE where the cookie name is sometimes URL-encoded
MAX_cookieSet(str_replace('_', '%5F', urlencode($name)), false, _getTimeYearAgo(), '/', $domain);
}
/**
* Send all cookies in the global cookie cache to the browser
*/
function MAX_cookieClientCookieFlush()
{
$conf = $GLOBALS['_MAX']['CONF'];
$domain = !empty($conf['cookie']['domain']) ? $conf['cookie']['domain'] : null;
MAX_cookieSendP3PHeaders();
if (!empty($GLOBALS['_MAX']['COOKIE']['CACHE'])) {
// Set cookies
reset($GLOBALS['_MAX']['COOKIE']['CACHE']);
while (list($name,$v) = each ($GLOBALS['_MAX']['COOKIE']['CACHE'])) {
list($value, $expire) = $v;
// Treat the viewerId cookie differently, (always set in client)
if ($name == $conf['var']['viewerId']) {
MAX_cookieClientCookieSet($name, $value, $expire, '/', !empty($conf['cookie']['viewerIdDomain']) ? $conf['cookie']['viewerIdDomain'] : $domain);
} else {
MAX_cookieSet($name, $value, $expire, '/', $domain);
}
}
// Clear cache
$GLOBALS['_MAX']['COOKIE']['CACHE'] = array();
}
// Compact all individual cookies into packed except for any cookies for the current bannerid
// We only need to set these packed cookies if new capping data has been merged
$cookieNames = $GLOBALS['_MAX']['COOKIE']['LIMITATIONS']['arrCappingCookieNames'];
if (!is_array($cookieNames))
return;
$maxCookieSize = !empty($conf['cookie']['maxCookieSize']) ? $conf['cookie']['maxCookieSize'] : 2048;
// For each type of cookie, repack if necessary
foreach ($cookieNames as $cookieName) {
// We only need to write out the compacted cookie if a new item is to be inserted (or updated)
if (empty($_COOKIE["_{$cookieName}"])) {
continue;
}
switch ($cookieName) {
case $conf['var']['blockAd'] :
case $conf['var']['blockCampaign'] :
case $conf['var']['blockZone'] : $expire = _getTimeThirtyDaysFromNow(); break;
case $conf['var']['lastClick'] :
case $conf['var']['lastView'] :
case $conf['var']['capAd'] :
case $conf['var']['capCampaign'] :
case $conf['var']['capZone'] : $expire = _getTimeYearFromNow(); break;
case $conf['var']['sessionCapCampaign'] :
case $conf['var']['sessionCapAd'] :
case $conf['var']['sessionCapZone'] : $expire = 0; break;
}
if (!empty($_COOKIE[$cookieName]) && is_array($_COOKIE[$cookieName])) {
$data = array();
foreach ($_COOKIE[$cookieName] as $adId => $value) {
$data[] = "{$adId}.{$value}";
}
// RFC says that maximum cookie data length is 4096 bytes
// So we are assuming that 2048 will be valid in most browsers
// Discard oldest data until we are under the limit
while (strlen(implode('_', $data)) > $maxCookieSize) {
$data = array_slice($data, 1);
}
MAX_cookieSet($cookieName, implode('_', $data), $expire, '/', $domain);
}
}
}
/**
* Send the appropriate P3P headers to attempt to permit 3rd party cookies
*
*/
function MAX_cookieSendP3PHeaders() {
// Send P3P headers
if ($GLOBALS['_MAX']['CONF']['p3p']['policies']) {
MAX_header("P3P: ". _generateP3PHeader());
}
}
/**
* Function to generate the P3P header string
*
* @access private
*
* @return string P3P header content
*/
function _generateP3PHeader()
{
$conf = $GLOBALS['_MAX']['CONF'];
$p3p_header = '';
if ($conf['p3p']['policies']) {
if ($conf['p3p']['policyLocation'] != '') {
$p3p_header .= " policyref=\"".$conf['p3p']['policyLocation']."\"";
}
if ($conf['p3p']['policyLocation'] != '' && $conf['p3p']['compactPolicy'] != '') {
$p3p_header .= ", ";
}
if ($conf['p3p']['compactPolicy'] != '') {
$p3p_header .= " CP=\"".$conf['p3p']['compactPolicy']."\"";
}
}
return $p3p_header;
}
?>