p = (array)$p + array(
'server' => "http://localhost/",
'serverbase' => "http://localhost/getbanner.html",
'host' => $_SERVER['HTTP_HOST'],
'uri' => str_replace('/doc_static', '', $_SERVER['PHP_SELF']),
'place' => "",
'language' => "",
'keyword' => "",
'category' => "",
'region' => "",
'vars' => array(),
'ip' => $_SERVER['REMOTE_ADDR'],
'uid' => $_COOKIE['UID'],
'bgcolor' => "",
'width' => "",
'height' => "",
'mx1' => "",
'mx2' => "",
'my1' => "",
'my2' => "",
'z' => "",
'target' => "_top",
'timeout' => 5,
'uidcookie' => 'crustulum',
'enablephpbanners' => false,
'addextraline' => "",
'bannerid' => $_REQUEST["bannerid"],
'exclude' => $_REQUEST["exclude"],
);
$this->p += array('loc' => $this->p['region']); # Historical name
}
function choose()
{
if ($GLOBALS['debug_noads'])
return;
$host = 'localhost';
$port = 80;
$url = '/';
if (eregi('^[a-z]+://([^:/]+):([0-9]+)(.*)', $this->p['serverbase'], $regs))
{
$host = $regs[1];
$port = $regs[2];
$url = $regs[3];
}
else if (eregi('^[a-z]+://([^:/]+)(.*)', $this->p['serverbase'], $regs))
{
$host = $regs[1];
$port = 80;
$url = $regs[2];
}
if ($url == '')
$url = '/';
$params = array();
foreach (array('host', 'uri', 'place', 'language', 'keyword', 'category', 'loc', 'mx1', 'mx2', 'my1', 'my2', 'z', 'ip', 'uid', 'bgcolor', 'bannerid', 'exclude') as $key)
$params[$key] = $this->p[$key];
$request .= it_html::U($url, $params);
if ($GLOBALS['debug_adreq']) # can't use EDC since itools sometimes not included
ED("http://$host$request");
if ($fp = @fsockopen($host, $port, $errno, $errstr, $this->p['timeout']))
{
if ($this->p['uid'])
$cookie = "Cookie: " . $this->p['uidcookie'] . "=" . urlencode($this->p['uid']) . "\r\n";
else
$cookie = '';
fputs($fp, "GET $request HTTP/1.0\r\nHost: $host\r\n$cookie\r\n");
$b = array();
while (!feof($fp))
{
$line = fgets($fp, 10240);
if (!trim($line))
$emptylines++;
if ($emptylines == 0)
;
else if (ereg("^data (.*)$", $line, $r))
{
$len = (int)$r[1];
$b['data'] = '';
while (!feof($fp) && (strlen($b['data']) < $len))
$b['data'] .= fread($fp, $len - strlen($b['data']));
if (strlen($b['data']) < $len)
$b['data'] = ''; # Skip banners which got corrupted during transmission, very rare
}
else if (ereg("^([^ ]*) (.*)\n$", $line, $r))
{
$b[$r[1]] = $r[2];
}
else if (ereg("^", $line))
{
# Doubleclick artificially delays banners for Mozilla/Linux so we do not show them to linux users
if (!(eregi('linux', $_SERVER['HTTP_USER_AGENT']) && eregi('\.doubleclick\.net', $b['data'])))
{
$this->bannersbyposition[$b['position'] ? $b['position'] : 'banner'] = $b;
$this->banners[] = $b;
}
$b = array();
}
}
if ($GLOBALS['debug_adreq']) # can't use EDC since itools sometimes not included
ED($this->banners);
}
srand((double)microtime()*1000000);
$this->rand = rand();
$this->chosen = true;
}
/**
* Show one or all banners for this banner position
* @param $nocount Switch off impression counting of true for multiple display
* @param $noecho Switch off automatic display of HTML snipplet with echo
* @return HTML snipplet to insert banner(s) if $noecho is set, undefined otherwise
*/
function show($nocount = false, $noecho = false)
{
if (!$this->chosen)
$this->choose();
if (!is_array($this->banners))
return; // none found or choose() not called yet
$count = count($this->banners);
$number = 0;
if ($noecho)
ob_start();
foreach ($this->banners as $banner)
{
$result .= $this->render($banner, $count, $number, $nocount);
$number++;
}
if ($noecho)
{
$result = ob_get_contents();
ob_end_clean();
}
return $result;
}
/**
* Returns html code for a banner from a multi banner request
* @param $position Which position to return, e.g. 'feature'
* @param $nocount Suppress counting of this banner
*/
function showcombined($position = "banner", $nocount = false)
{
ob_start();
if ($this->bannersbyposition[$position])
$this->render($this->bannersbyposition[$position], 1, 0, $nocount);
$result = ob_get_contents();
ob_end_clean();
return $result;
}
/**
* Renders a banner, to be overloaded e.g. to render sponsor banners in a table
* @param $banner Opaque structure representing the banner
* @param $count Total number of banners, also number of times this method gets called
* @param $position Current banner number, from 0 to $count - 1
*/
function render($banner, $count, $number, $nocount = false)
{
if ($number > 0)
echo "
";
$this->render_banner($banner, $nocount);
}
/**
* Render one banner
* @param $banner Opaque banner structure to be rendered
*/
function render_banner($banner, $nocount = false)
{
if ($banner['width'] <= 0)
$banner['width'] = 468;
if ($banner['height'] <= 0)
$banner['height'] = 60;
if ($this->p['width'])
$banner['width'] = $this->p['width'];
if ($this->p['height'])
$banner['height'] = $this->p['height'];
$l = it::replace("/" => "_", rtrim($banner['locationid'] . "|" . $banner['matchingkeyword'] . "|" . $banner['matchingcategory'] . "|" . $banner['matchingregion'] . "|" . $banner['language'], "|"));
$pathinfo = "/c=" . $banner['campaignid'] . ":" . urlencode($banner['campaignname']) . "/b=" . $banner['bannerid'] . ":" . urlencode($banner['bannername']) . "/l=" . urlencode($l);
$nocountinfo = $nocount ? "/nocount=1" : "";
$keyword = it::replace(']*>' => "", '\]\[' => "", '^\[ +' => "", ' +\]$' => "", $this->p['keyword']);
$vars = array(
'viewpre' => $this->p['server'] . "view.html$pathinfo$nocountinfo/img=",
'clickpre' => $this->p['server'] . "click.html$pathinfo/url=",
'clickpreenc' => urlencode($clickpre),
'auditurl' => $viewpre . "empty.gif",
'keyword' => $keyword,
'keywordhtml' => substr($keyword, 0, 30),
'keywordurl' => urlencode($keyword),
'viewurl' => $viewpre . $banner['path'],
'clickurl' => $clickpre . $banner['url'],
'rand' => $this->rand,
) + $this->p['vars'];
foreach (array('alttext', 'extraline', 'path', 'url', 'data') as $field)
{
while ($var = it::match("__([a-z]+)__", $banner[$field]))
$banner[$field] = str_replace("__{$var}__", htmlspecialchars($vars[strtolower($var)]), $banner[$field]);
}
switch ($banner['type'])
{
case 0:
if($banner['url'] != 'http://')
{
$linkstart = "p['target']) . "\">";
$linkend = "";
}
echo "$linkstart![\""](\"")
$linkend";
if (strlen($banner['extraline']) > 0)
echo "
$linkstart" . $banner['extraline'] . $linkend;
if (strlen($banner['extraline']) == 0 && $this->p['addextraline'])
echo "
";
break;
case 1:
echo $banner['data'];
break;
case 2:
if ($this->p['enablephpbanners'])
eval("?>" . $banner['data']);
break;
}
}
}
?>