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