/**
* Renders passed in content to a PDF.
*
* If $outputTo == '', then the temporary filename is returned, with the expectation
* that the caller will correctly handle the streaming of the content.
*
* @param string $content
* Raw content to render into a pdf
* @param string $outputTo
* 'file' or 'browser'
* @param string $outname
* A filename if the pdf is sent direct to the browser
* @return string
* The filename of the output file
*/
public function render($content, $outputTo = null, $outname = '')
{
$tempFolder = getTempFolder();
if (!is_dir($tempFolder)) {
throw new Exception("Could not find TMP directory");
}
$pdfFolder = $tempFolder . '/pdfrenditions';
if (!file_exists($pdfFolder)) {
@mkdir($pdfFolder);
}
if (!is_dir($pdfFolder)) {
throw new Exception("PDF temp directory could not be found");
}
$in = tempnam($pdfFolder, "html_");
chmod($in, 0664);
$content = $this->fixLinks($content);
$content = str_replace(' ', ' ', $content);
$content = http::absoluteURLs($content);
file_put_contents($in, $content);
$mid = tempnam($pdfFolder, "xhtml_");
chmod($mid, 0664);
$out = tempnam($pdfFolder, "pdf_") . '.pdf';
if (class_exists('Tidy')) {
$this->tidyHtml($in, $mid);
} else {
$this->tidyHtmlExternal($in, $mid);
}
// then run it through our pdfing thing
$jarPath = dirname(dirname(dirname(__FILE__))) . '/thirdparty/xhtmlrenderer';
$classpath = $jarPath . '/flying-saucer-core-9.0.7.jar' . PATH_SEPARATOR . $jarPath . '/flying-saucer-pdf-9.0.7.jar' . PATH_SEPARATOR . $jarPath . '/itext-4.2.1.jar';
$cmd = self::$java_bin;
if (!is_executable($cmd)) {
$cmd = "java";
}
$escapefn = 'escapeshellarg';
$cmd = "{$cmd} -classpath " . $escapefn($classpath) . " org.xhtmlrenderer.simple.PDFRenderer " . $escapefn($mid) . ' ' . $escapefn($out);
$retVal = exec($cmd, $output, $return);
if (!file_exists($out)) {
throw new Exception("Could not generate pdf using command {$cmd}: " . var_export($output, true));
}
unlink($in);
unlink($mid);
if (!($outputTo == 'browser')) {
return $out;
}
if (file_exists($out)) {
$size = filesize($out);
$type = "application/pdf";
$name = urlencode(htmlentities($outname));
if (!headers_sent()) {
// set cache-control headers explicitly for https traffic, otherwise no-cache will be used,
// which will break file attachments in IE
// Thanks to Niklas Forsdahl <*****@*****.**>
if (isset($_SERVER['HTTPS'])) {
header('Cache-Control: private');
header('Pragma: ');
}
header('Content-disposition: attachment; filename=' . $name);
header('Content-type: application/pdf');
//octet-stream');
header('Content-Length: ' . $size);
readfile($out);
} else {
echo "Invalid file";
}
}
unlink($out);
}
