/**
* Set Container Defaults
*
* This is where we set all our defaults. If you need to customise this
* container this is a good place to look to see what can be configured
* and how to configure it.
*/
protected function setDefaults()
{
$this->file = $this->protect(function ($filePath) {
return new SplFileInfo($filePath);
});
$this->tempFile = $this->protect(function ($contents, $ext) {
$file = new TempFile('GearsPdf', $ext);
$file->setContents($contents);
return $file;
});
}
/**
* Method: convertDoc
* =========================================================================
* This is where we actually do some converting of docx to pdf.
* We use the command line utility unoconv. Which is basically a slightly
* fancier way of using OpenOffice/LibreOffice Headless.
*
* See: http://dag.wiee.rs/home-made/unoconv/
*
* Parameters:
* -------------------------------------------------------------------------
* - $docx: This must be an instance of ```SplFileInfo```
* pointing to the document to convert.
*
* Returns:
* -------------------------------------------------------------------------
* void
*/
public function convertDoc(TempFile $docx)
{
if (!is_executable($this->binary)) {
throw new RuntimeException('The unoconv command ("' . $this->binary . '") ' . 'was not found or is not executable by the current user! ');
}
// Check to see if the profile dir exists and is writeable
if (is_dir($this->profile) && !is_writable($this->profile)) {
throw new RuntimeException('If unoconv does not have permissions to the User ' . 'Profile directory ("' . $this->profile . '") the conversion ' . 'will fail!');
}
// Build the unoconv cmd
$cmd = 'export HOME=' . $this->profile . ' && ' . $this->binary . ' ' . '--stdout ' . '-f pdf ' . '"' . $docx->getPathname() . '"';
// Run the command
$process = $this->process($cmd);
$process->run();
// Check for errors
$error = null;
if (!$process->isSuccessful()) {
$error = $process->getErrorOutput();
// NOTE: For some really odd reason the first time the command runs
// it does not complete successfully. The second time around it
// works fine. It has something to do with the homedir setup...
if (Str::contains($error, 'Error: Unable to connect')) {
$process->run();
if (!$process->isSuccessful()) {
$error = $process->getErrorOutput();
} else {
$error = null;
}
}
if (!is_null($error)) {
throw new RuntimeException($error);
}
}
// Clean up after ourselves
exec('rm -rf ' . $this->profile);
// Return the pdf data
return $process->getOutput();
}
/**
* Method: convertDoc
* =========================================================================
* This is where we actually do some converting of docx to pdf.
* This converter uses the OpenOffice/LibreOffice Headless capabilities.
*
* Parameters:
* -------------------------------------------------------------------------
* - $docx: This must be an instance of ```SplFileInfo```
* pointing to the document to convert.
*
* Returns:
* -------------------------------------------------------------------------
* void
*/
public function convertDoc(TempFile $docx)
{
if (!is_executable($this->binary)) {
throw new RuntimeException('The libreoffice command ("' . $this->binary . '") ' . 'was not found or is not executable by the current user! ');
}
// Check to see if the profile dir exists and is writeable
if (is_dir($this->profile) && !is_writable($this->profile)) {
throw new RuntimeException('If libreoffice does not have permissions to the User ' . 'Profile directory ("' . $this->profile . '") the conversion ' . 'will fail!');
}
// Build the cmd to run
$cmd = $this->binary . ' ' . '--headless ' . '-env:UserInstallation=file://' . $this->profile . ' ' . '--convert-to pdf:writer_pdf_Export ' . '--outdir "' . $this->output . '" ' . '"' . $docx->getPathname() . '"';
// Run the command
$process = $this->process($cmd);
$process->run();
// Check for errors
if (!$process->isSuccessful()) {
throw new RuntimeException($process->getErrorOutput());
}
// Grab the generated pdf
$pdf = file_get_contents($this->output . '/' . $docx->getBasename('.docx') . '.pdf');
// Clean up after ourselves
exec('rm -rf ' . $this->profile);
// Finally return the generated pdf
return $pdf;
}
/**
* Method: convertDoc
* =========================================================================
* This is where we actually do some converting of docx to pdf.
* We use the command line utility unoconv. Which is basically a slightly
* fancier way of using OpenOffice/LibreOffice Headless.
*
* See: http://dag.wiee.rs/home-made/unoconv/
*
* Parameters:
* -------------------------------------------------------------------------
* - $docx: This must be an instance of ```SplFileInfo```
* pointing to the document to convert.
*
* Returns:
* -------------------------------------------------------------------------
* void
*/
public function convertDoc(TempFile $docx)
{
// Upload the document to google
$gdoc = $this->service->files->insert($this->file, ['convert' => true, 'data' => $docx->getContents(), 'mimeType' => $this->mime, 'uploadType' => 'multipart']);
// Now download the pdf
$request = $this->request($gdoc->getExportLinks()['application/pdf']);
$this->client->getAuth()->sign($request);
$response = $this->client->getIo()->makeRequest($request);
// Delete the uploaded file
$this->service->files->delete($gdoc['id']);
// Check for errors
if ($response->getResponseHttpCode() != 200) {
throw new RuntimeException($response->getResponseBody());
}
// Return the pdf data
return $response->getResponseBody();
}
