public function getConvertFileShell($source, &$destination)
{
$multipage = array('pdf');
if (in_array($this->conversion[0], $multipage)) {
if (!in_array($this->conversion[1], $multipage)) {
$source .= '[0]';
}
}
return array($this->cmd, Shell::argOptions($this->cmd_options, $this->configuration, 1), $source, $destination);
}
public function getConvertFileShell($source, &$destination)
{
$conf = $this->configuration;
foreach ($this->cmd_options as $opt) {
if ($opt['group'] === 'rasterize' && !isset($conf[$opt['name']])) {
$conf[$opt['name']] = $opt['default'];
}
}
$dimensions = $conf['output-width'] . '*' . $conf['output-height'];
$zoom = 1;
$shell = array($this->cmd, Shell::argOptions($this->cmd_options, $this->configuration, 1), realpath(__DIR__ . '/Resources/PhantomJs-rasterize.js'), strpos($source, '://') === FALSE ? 'file://' . $source : $source, $destination, $dimensions, $zoom);
return $shell;
}
public function getConvertFileShell($source, &$destination)
{
$err = $this->getTempFile('err');
return array($this->cmd, '--ps', $source, Shell::arg('>', Shell::SHELL_SAFE), $destination, Shell::arg('STDERR', Shell::SHELL_STDERR, $err));
}
public function getConvertFileShell($source, &$destination)
{
return array($this->cmd, Shell::argOptions($this->cmd_options, $this->configuration), $source, $destination);
}
public function getConvertFileShell($source, &$destination)
{
$shell = array($this->cmd, Shell::argOptions($this->cmd_options, $this->configuration, 1), Shell::arg('f', Shell::SHELL_ARG_BASIC_SGL, $this->conversion[1] === 'tex' ? 'tex' : 'ascii'), $source, Shell::arg('>', Shell::SHELL_SAFE), $destination);
return $shell;
}
public function getConvertFileShell($source, &$destination)
{
$destination = str_replace('.' . $this->conversion[0], '.' . $this->conversion[1], $source);
return array(Shell::arg('export HOME=' . escapeshellarg($this->settings['temp_dir']) . ';', Shell::SHELL_SAFE), $this->cmd, '--headless', '--convert-to', $this->conversion[1], '--outdir', $this->settings['temp_dir'], $source);
}
public function getConvertFileShell($source, &$destination)
{
$destination = str_replace('.' . $this->conversion[0], '.' . $this->conversion[1], $source);
return array($this->cmd, Shell::arg('format', Shell::SHELL_ARG_BASIC_DBL_NOEQUAL, $this->conversion[1]), Shell::arg('outputpath', Shell::SHELL_ARG_BASIC_DBL_NOEQUAL, $this->settings['temp_dir']), $source);
}
public function getConvertFileShell($source, &$destination)
{
return array($this->cmd['pandoc'], Shell::argOptions($this->cmd_options, $this->configuration), $source, Shell::arg('o', Shell::SHELL_ARG_BASIC_SGL, $destination));
}
public function getConvertFileShell($source, &$destination)
{
return array("cat", $source, Shell::arg('|', Shell::SHELL_SAFE), $this->cmd, Shell::argOptions($this->cmd_options, $this->configuration, 1), Shell::arg('f', Shell::SHELL_ARG_BASIC_SGL, $destination), Shell::arg('-', Shell::SHELL_SAFE));
}
public function convertFile($source, $destination)
{
// XMP Metadata was added in version 1.4 of the PDF format.
// Thus, this setting can be ignored on older formats.
// If left enabled, then pdftk will upgrade the version to 1.4.
$remove_meta = isset($this->configuration['remove-metadata']) && $this->configuration['remove-metadata'];
if ($remove_meta) {
// Only remove metadata if this is a 1.4 PDF and there is some metadata
$pdfVersion = file_get_contents($source, FALSE, NULL, 0, 10000);
if (preg_match('@^%PDF-(\\d+\\.\\d+).*/(?:Metadata|M) @s', $pdfVersion, $arr)) {
$pdfVersion = (double) $arr[1];
if ($pdfVersion < 1.4) {
$remove_meta = FALSE;
}
} else {
$remove_meta = FALSE;
}
}
// One convert function is required to avoid recursion.
$empty = $this->getTempFile('txt');
$cleaned = $destination;
if ($source === $destination || $remove_meta) {
$cleaned = $this->getTempFile('pdf');
}
// pdftk source.pdf dump_data | sed 's/Value: .*/Value:/' > empty.txt
$this->shell(array($this->cmd, $source, 'dump_data', Shell::arg('|', Shell::SHELL_SAFE), Shell::arg("sed 's/Value: .*/Value:/' > ", Shell::SHELL_SAFE), $empty));
// pdftk source.pdf update_info empty.txt output destination.pdf flatten compress
$cmd = array($this->cmd, $source, 'update_info', $empty, 'output', '-', 'flatten', $remove_meta ? 'uncompress' : 'compress');
if (isset($this->configuration['remove-id']) && $this->configuration['remove-id']) {
// /ID [<e8c87bb7a19df73c042da3b2a01dc7ff> <e8c87bb7a19df73c042da3b2a01dc7ff>]
$cmd[] = Shell::arg(" | grep -va '^\\/ID \\[' ", Shell::SHELL_SAFE);
}
$cmd[] = Shell::arg('>', Shell::SHELL_SAFE);
$cmd[] = $cleaned;
$this->shell($cmd);
// Clean up and finalize files.
if ($remove_meta) {
$temp = $this->getTempFile('pdf');
$fp = fopen($cleaned, 'r');
$fout = fopen($temp, 'w');
$context = 'none';
while (!feof($fp)) {
// Go to the next object.
$buffer = fgets($fp);
if (!preg_match('@^\\d+ \\d+ obj@', $buffer)) {
fputs($fout, $buffer);
continue;
}
// Load the object def
$def = array();
while (!feof($fp)) {
$line = fgets($fp);
if (preg_match('@^/(.*?) (.*)$@', $line, $arr)) {
if ($arr[1] === 'Metadata') {
continue;
}
// Remove the date modified.
// This should specifically affect type = Annot (i.e., annotations)
if ($arr[1] === 'M') {
continue;
}
$def[$arr[1]] = trim($arr[2]);
}
$buffer .= $line;
if (substr($line, 0, 2) === '>>') {
break;
}
}
if ($def['Type'] === '/Metadata') {
// Remove it.
if (isset($def['Length'])) {
$len = (int) $def['Length'];
while ($len > 0 && !feof($fp)) {
$line = fgets($fp);
$len -= strlen($line);
}
}
while (substr($line, 0, 6) !== 'endobj' && !feof($fp)) {
$line = fgets($fp);
}
fputs($fout, $line);
} else {
// Keep it.
fputs($fout, $buffer);
if (isset($def['Length'])) {
$len = (int) $def['Length'];
while ($len > 0 && !feof($fp)) {
$line = fgets($fp);
$len -= strlen($line);
fputs($fout, $line);
}
}
while (substr($line, 0, 6) !== 'endobj' && !feof($fp)) {
$line = fgets($fp);
fputs($fout, $line);
}
}
}
fclose($fp);
fclose($fout);
$this->shell(array($this->cmd, $temp, 'update_info', $empty, 'output', $destination, 'flatten', 'compress'));
unlink($temp);
if ($cleaned !== $destination) {
unlink($cleaned);
}
} elseif ($cleaned !== $destination) {
rename($cleaned, $destination);
}
unlink($empty);
return $this;
}
public function getConvertFileShell($source, &$destination)
{
return array($this->cmd, Shell::arg('form', Shell::SHELL_ARG_BASIC_DBL_NOEQUAL, 'from=' . $this->conversion[0]), Shell::arg('form', Shell::SHELL_ARG_BASIC_DBL_NOEQUAL, 'to=' . $this->conversion[1]), Shell::arg('form', Shell::SHELL_ARG_BASIC_DBL_NOEQUAL, 'input_files[]=@' . $source), 'http://c.docverter.com/convert', Shell::arg('>', Shell::SHELL_SAFE), $destination);
}
