}
var proxied = window.XMLHttpRequest.prototype.open;
window.XMLHttpRequest.prototype.open = function() {
if (arguments[1] !== null && arguments[1] !== undefined) {
var url = arguments[1];
url = rel2abs("' . $url . '", url);
url = "' . PROXY_PREFIX . '" + url;
arguments[1] = url;
}
return proxied.apply(this, [].slice.call(arguments));
};
}
})();');
$scriptElem->setAttribute("type", "text/javascript");
$prependElem->insertBefore($scriptElem, $prependElem->firstChild);
}
echo "<!-- Proxified page constructed by miniProxy -->\n" . $doc->saveHTML();
} else {
if (stripos($contentType, "text/css") !== false) {
//This is CSS, so proxify url() references.
echo proxifyCSS($responseBody, $url);
} else {
//This isn't a web page or CSS, so serve unmodified through the proxy with the correct headers (images, JavaScript, etc.)
header("Content-Length: " . strlen($responseBody));
echo $responseBody;
}
}
$element->setAttribute("style", proxifyCSS($element->getAttribute("style"), $url));
}
//Proxify any of these attributes appearing in any tag.
$proxifyAttributes = array("href", "src");
foreach ($proxifyAttributes as $attrName) {
//For every element with the given attribute...
foreach ($xpath->query('//*[@' . $attrName . ']') as $element) {
$attrContent = $element->getAttribute($attrName);
if ($attrName == "href" && (stripos($attrContent, "javascript:") === 0 || stripos($attrContent, "mailto:") === 0)) {
continue;
}
$attrContent = rel2abs($attrContent, $url);
//Replace any leftmost question mark with an ampersand to blend an existing query string into the proxified URL
$attrContent = preg_replace("/\\?/", "&", $attrContent, 1);
$attrContent = PROXY_PREFIX . $attrContent;
$element->setAttribute($attrName, $attrContent);
}
}
echo $doc->saveHTML();
} else {
if (stripos($file["contentType"], "text/css") !== false) {
echo proxifyCSS($file["data"], $url);
} else {
if (stripos($file["contentType"], "javascript") !== false) {
echo proxifyJS($file["data"], $url);
} else {
header("Content-Length: " . strlen($file["data"]));
echo $file["data"];
}
}
}