protected function _image($val)
{
if (mb_strpos($val, "url") === false) {
$path = "none";
//Don't resolve no image -> otherwise would prefix path and no longer recognize as none
} else {
$val = preg_replace("/url\\(['\"]?([^'\")]+)['\"]?\\)/", "\\1", trim($val));
// Resolve the url now in the context of the current stylesheet
$parsed_url = explode_url_parser($val);
if ($parsed_url["protocol"] == "" && $this->_stylesheet->get_protocol() == "") {
if ($parsed_url["path"][0] === '/' || $parsed_url["path"][0] === '\\') {
$path = $_SERVER["DOCUMENT_ROOT"] . '/';
} else {
$path = $this->_stylesheet->get_base_path();
}
$path .= $parsed_url["path"] . $parsed_url["file"];
$path = realpath($path);
// If realpath returns FALSE then specifically state that there is no background image
if (!$path) {
$path = 'none';
}
} else {
$path = build_url_parser($this->_stylesheet->get_protocol(), $this->_stylesheet->get_host(), $this->_stylesheet->get_base_path(), $val);
}
}
return $path;
}
/**
* Loads an HTML file
*
* Parse errors are stored in the global array _dompdf_warnings.
*
* @param string $file a filename or url to load
*/
function load_html_file($file)
{
$this->save_locale();
// Store parsing warnings as messages (this is to prevent output to the
// browser if the html is ugly and the dom extension complains,
// preventing the pdf from being streamed.)
if (!$this->_protocol && !$this->_base_host && !$this->_base_path) {
list($this->_protocol, $this->_base_host, $this->_base_path) = explode_url_parser($file);
}
if (!PARSERHTML_ENABLE_REMOTE && ($this->_protocol != "" && $this->_protocol !== "file://")) {
throw new Exception("Remote file requested, but PARSERHTML_ENABLE_REMOTE is false.");
}
if ($this->_protocol == "" || $this->_protocol === "file://") {
$realfile = realpath($file);
if (!$file) {
throw new Exception("File '{$file}' not found.");
}
if (strpos($realfile, PARSERHTML_CHROOT) !== 0) {
throw new Exception("Permission denied on {$file}.");
}
// Exclude dot files (e.g. .htaccess)
if (substr(basename($realfile), 0, 1) === ".") {
throw new Exception("Permission denied on {$file}.");
}
$file = $realfile;
}
$context = stream_context_create(array('http' => array('method' => 'GET', 'header' => "Cache-Control: no-cache" . "Connection: close\r\n" . "Referer: http://" . $_SERVER['HTTP_HOST'] . "\r\n", 'timeout' => '10')));
$contents = @file_get_contents(urldecode($file), false, $context);
if ($contents === false) {
/*var_dump($http_response_header);*/
throw new Exception('Issue reading: ' . $file);
}
if (strpos($file, 'http') === 0) {
$this->htmlFile = $file;
}
//saves url for relative url when parsing
$encoding = null;
// See http://the-stickman.com/web-development/php/getting-http-response-headers-when-using-file_get_contents/
if (isset($http_response_header)) {
foreach ($http_response_header as $_header) {
if (preg_match("@Content-Type:\\s*[\\w/]+;\\s*?charset=([^\\s]+)@i", $_header, $matches)) {
$encoding = strtoupper($matches[1]);
break;
}
}
}
$this->restore_locale();
$this->load_html($contents, $encoding);
}