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<?php
/**
* ownCloud - Documents App
*
* @author Victor Dubiniuk
* @copyright 2014 Victor Dubiniuk victor.dubiniuk@gmail.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
*/
namespace OCA\Documents;
use OCA\Documents\AppInfo\Application;
class Converter {
const TEST_DOC_PATH = '/assets/test.doc';
public static function testConversion(){
$targetFilter = 'odt:writer8';
$targetExtension = 'odt';
$input = file_get_contents(dirname(__DIR__) . self::TEST_DOC_PATH);
$infile = \OC::$server->getTempManager()->getTemporaryFile();
$outdir = \OC::$server->getTempManager()->getTemporaryFolder();
$outfile = $outdir . '/' . basename($infile) . '.' . $targetExtension;
$cmd = Helper::findOpenOffice();
$params = ' --headless --convert-to ' . escapeshellarg($targetFilter) . ' --outdir '
. escapeshellarg($outdir)
. ' --writer '. escapeshellarg($infile)
. ' -env:UserInstallation=file://'
. escapeshellarg(\OC::$server->getTempManager()->getTempBaseDir() . '/owncloud-' . \OC_Util::getInstanceId().'/') . ' 2>&1'
;
file_put_contents($infile, $input);
$result = shell_exec($cmd . $params);
$exists = file_exists($outfile);
if (!$exists){
\OC::$server->getLogger()->warn(
'Conversion test failed. Raw output:' . $result,
['app' => 'documents']
);
return false;
} else {
unlink($outfile);
}
return true;
}
public static function convert($input, $targetFilter, $targetExtension){
if (self::getAppConfig()->getAppValue('converter') === 'local'){
$output = self::convertLocal($input, $targetFilter, $targetExtension);
} else {
$output = self::convertExternal($input, $targetExtension);
}
if (empty($output)){
\OC::$server->getLogger()->warn(
'Empty conversion output',
['app' => 'documents']
);
throw new \RuntimeException('Empty conversion output');
}
return $output;
}
public static function checkConnection(){
$expected = file_get_contents(dirname(__DIR__) . '/assets/response.odt');
$converted = self::convertExternal('', 'odt');
return $converted === $expected;
}
/**
* convert via openOffice hosted on the same server
* @param string $input
* @param string $targetFilter
* @param string $targetExtension
* @return string
*/
protected static function convertLocal($input, $targetFilter, $targetExtension){
$infile = \OC::$server->getTempManager()->getTemporaryFile();
$outdir = \OC::$server->getTempManager()->getTemporaryFolder();
$cmd = Helper::findOpenOffice();
$params = ' --headless --convert-to ' . $targetFilter . ' --outdir '
. escapeshellarg($outdir)
. ' --writer '. escapeshellarg($infile)
. ' -env:UserInstallation=file://'
. escapeshellarg(\OC::$server->getTempManager()->getTempBaseDir() . '/owncloud-' . \OC_Util::getInstanceId().'/')
;
file_put_contents($infile, $input);
shell_exec($cmd . $params);
$output = file_get_contents($outdir . '/' . basename($infile) . '.' . $targetExtension);
return $output;
}
/**
* convert via format-filter-server installed on the same host with openOffice
* @param string $input
* @return string
*/
protected static function convertExternal($input, $targetExtension){
$options = array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER => false,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_ENCODING => "",
CURLOPT_AUTOREFERER => true,
CURLOPT_CONNECTTIMEOUT => 120,
CURLOPT_TIMEOUT => 120,
CURLOPT_MAXREDIRS => 2,
CURLOPT_POST => 1,
CURLOPT_POSTFIELDS => $input,
CURLOPT_SSL_VERIFYHOST => 0,
CURLOPT_SSL_VERIFYPEER => 0,
CURLOPT_VERBOSE => 1
);
$ch = curl_init(self::getAppConfig()->getAppValue('converter_url') . '?target_format=' . $targetExtension);
curl_setopt_array($ch, $options);
$content = curl_exec($ch);
if (curl_errno($ch)){
\OC::$server->getLogger()->debug(
'cURL error' . curl_errno($ch) . ':' . curl_error($ch),
['app' => 'documents']
);
}
curl_close($ch);
return $content;
}
protected static function getAppConfig(){
$app = new Application();
$c = $app->getContainer();
return $c->query('AppConfig');
}
}
|
