static function resolve_url($url, $proto, $host, $base_path)
{
$parsed_url = explode_url($url);
$message = null;
$remote = $proto && $proto !== "file://" || $parsed_url['protocol'] != "";
$datauri = strpos($parsed_url['protocol'], "data:") === 0;
try {
if (!DOMPDF_ENABLE_REMOTE && $remote && !$datauri) {
throw new DOMPDF_Image_Exception("DOMPDF_ENABLE_REMOTE is set to FALSE");
} else {
if (DOMPDF_ENABLE_REMOTE && $remote || $datauri) {
$full_url = dompdf_build_url($proto, $host, $base_path, $url);
if (isset(self::$_cache[$full_url])) {
$resolved_url = self::$_cache[$full_url];
} else {
$resolved_url = tempnam(DOMPDF_TEMP_DIR, "ca_dompdf_img_");
if ($datauri) {
if ($parsed_data_uri = parse_data_uri($url)) {
$image = $parsed_data_uri['data'];
}
} else {
$old_err = set_error_handler("record_warnings");
$image = wp_remote_get($full_url);
$image = isset($image['body']) ? $image['body'] : '';
restore_error_handler();
}
if (strlen($image) == 0) {
$msg = $datauri ? "Data-URI could not be parsed" : "Image not found";
throw new DOMPDF_Image_Exception($msg);
} else {
file_put_contents($resolved_url, $image);
}
}
} else {
$resolved_url = dompdf_build_url($proto, $host, $base_path, $url);
}
}
if (!is_readable($resolved_url) || !filesize($resolved_url)) {
throw new DOMPDF_Image_Exception("Image not readable or empty");
} else {
list($width, $height, $type) = dompdf_getimagesize($resolved_url);
if ($width && $height && in_array($type, array(IMAGETYPE_GIF, IMAGETYPE_PNG, IMAGETYPE_JPEG, IMAGETYPE_BMP))) {
if (DOMPDF_ENABLE_REMOTE && $remote) {
self::$_cache[$full_url] = $resolved_url;
}
} else {
throw new DOMPDF_Image_Exception("Image type unknown");
unlink($resolved_url);
}
}
} catch (DOMPDF_Image_Exception $e) {
$resolved_url = self::$broken_image;
$type = IMAGETYPE_PNG;
$message = $e->getMessage() . " \n {$url}";
}
return array($resolved_url, $type, $message);
}
function add_link($url, $x, $y, $width, $height)
{
$y = $this->y($y) - $height;
if (strpos($url, '#') === 0) {
$name = substr($url, 1);
if ($name) {
$this->_pdf->create_annotation($x, $y, $x + $width, $y + $height, 'Link', "contents={$url} destname=" . substr($url, 1) . " linewidth=0");
}
} else {
list($proto, $host, $path, $file) = explode_url($url);
if ($proto == "" || $proto === "file://") {
return;
}
$url = dompdf_build_url($proto, $host, $path, $file);
$url = '{' . rawurldecode($url) . '}';
$action = $this->_pdf->create_action("URI", "url=" . $url);
$this->_pdf->create_annotation($x, $y, $x + $width, $y + $height, 'Link', "contents={$url} action={activate={$action}} linewidth=0");
}
}
protected function _process_html()
{
$this->save_locale();
$this->_tree->build_tree();
$this->_css->load_css_file(Stylesheet::DEFAULT_STYLESHEET, Stylesheet::ORIG_UA);
$acceptedmedia = Stylesheet::$ACCEPTED_GENERIC_MEDIA_TYPES;
if (defined("DOMPDF_DEFAULT_MEDIA_TYPE")) {
$acceptedmedia[] = DOMPDF_DEFAULT_MEDIA_TYPE;
} else {
$acceptedmedia[] = Stylesheet::$ACCEPTED_DEFAULT_MEDIA_TYPE;
}
$links = $this->_xml->getElementsByTagName("link");
foreach ($links as $link) {
if (mb_strtolower($link->getAttribute("rel")) === "stylesheet" || mb_strtolower($link->getAttribute("type")) === "text/css") {
$formedialist = preg_split("/[\\s\n,]/", $link->getAttribute("media"), -1, PREG_SPLIT_NO_EMPTY);
if (count($formedialist) > 0) {
$accept = false;
foreach ($formedialist as $type) {
if (in_array(mb_strtolower(trim($type)), $acceptedmedia)) {
$accept = true;
break;
}
}
if (!$accept) {
continue;
}
}
$url = $link->getAttribute("href");
$url = dompdf_build_url($this->_protocol, $this->_base_host, $this->_base_path, $url);
$this->_css->load_css_file($url, Stylesheet::ORIG_AUTHOR);
}
}
$this->_css->set_protocol($this->_protocol);
$this->_css->set_host($this->_base_host);
$this->_css->set_base_path($this->_base_path);
$styles = $this->_xml->getElementsByTagName("style");
foreach ($styles as $style) {
if ($style->hasAttributes() && ($media = $style->getAttribute("media")) && !in_array($media, $acceptedmedia)) {
continue;
}
$css = "";
if ($style->hasChildNodes()) {
$child = $style->firstChild;
while ($child) {
$css .= $child->nodeValue;
$child = $child->nextSibling;
}
} else {
$css = $style->nodeValue;
}
$this->_css->load_css($css);
}
$this->restore_locale();
}
protected function _image($val)
{
$DEBUGCSS = DEBUGCSS;
if (mb_strpos($val, "url") === false) {
$path = "none";
} else {
$val = preg_replace("/url\\(['\"]?([^'\")]+)['\"]?\\)/", "\\1", trim($val));
$parsed_url = explode_url($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 (!$path) {
$path = 'none';
}
} else {
$path = dompdf_build_url($this->_stylesheet->get_protocol(), $this->_stylesheet->get_host(), $this->_stylesheet->get_base_path(), $val);
}
}
if ($DEBUGCSS) {
print "<pre>[_image\n";
print_r($parsed_url);
print $this->_stylesheet->get_protocol() . "\n" . $this->_stylesheet->get_base_path() . "\n" . $path . "\n";
print "_image]</pre>";
}
return $path;
}
private function _parse_font_face($str)
{
$descriptors = $this->_parse_properties($str);
preg_match_all("/(url|local)\\s*\\([\"\\']?([^\"\\'\\)]+)[\"\\']?\\)\\s*(format\\s*\\([\"\\']?([^\"\\'\\)]+)[\"\\']?\\))?/i", $descriptors->src, $src);
$sources = array();
$valid_sources = array();
foreach ($src[0] as $i => $value) {
$source = array("local" => strtolower($src[1][$i]) === "local", "uri" => $src[2][$i], "format" => $src[4][$i], "path" => dompdf_build_url($this->_protocol, $this->_base_host, $this->_base_path, $src[2][$i]));
if (!$source["local"] && in_array($source["format"], array("", "woff", "opentype", "truetype"))) {
$valid_sources[] = $source;
}
$sources[] = $source;
}
if (empty($valid_sources)) {
return;
}
$style = array("family" => $descriptors->get_font_family_raw(), "weight" => $descriptors->font_weight, "style" => $descriptors->font_style);
Font_Metrics::register_font($style, $valid_sources[0]["path"]);
}
