made autoload compatible

1 files changed, 274 insertions, 0 deletions

diff --git a/banner.class b/banner.class
new file mode 100644
index 0000000..9b876e3
--- /dev/null
+++ b/banner.class
@@ -0,0 +1,274 @@
+<?php
+
+/*
+ * $Id$
+ *
+ */
+
+class it_banner
+{
+
+function it_banner($p = array())
+{
+	$this->p = (array)$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("^</banner>", $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 "<br /><br />";
+
+	$this->render_banner($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('<country_[^>]*>' => "", '\]\[' => " ", '^\[ +' => "", ' +\]$' => "", $this->p['keyword']);
+	$viewpre = $this->p['server'] . "view.html$pathinfo$nocountinfo/img=";
+	$clickpre = $this->p['server'] . "click.html$pathinfo/url=";
+
+	$vars = array(
+		'viewpre' => $viewpre,
+		'clickpre' => $clickpre,
+		'clickpreenc' => urlencode($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://')
+			{
+				$linkstart = "<a href=\"" . htmlspecialchars($vars['clickurl']) ."\" target=\"" . htmlspecialchars($this->p['target']) . "\">";
+				$linkend   = "</a>";
+			}
+
+			echo "$linkstart<img src=\"" . htmlspecialchars($vars['viewurl']) .  "\" alt=\"" . $banner['alttext'] . "\" width=\"" . $banner['width'] . "\" height=\"" . $banner['height'] . "\" border=\"0\" />$linkend";
+
+			if (strlen($banner['extraline']) > 0)
+				echo "<br />$linkstart" . $banner['extraline'] . $linkend;
+
+			if (strlen($banner['extraline']) == 0 && $this->p['addextraline'])
+				echo "<br />&nbsp;";
+			break;
+
+		case 1:
+			echo $banner['data'];
+			break;
+
+		case 2:
+			if ($this->p['enablephpbanners'])
+				eval("?>" . $banner['data']);
+			break;
+	}
+}
+
+}
+?>