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96 lines
2.5 KiB
PHP
96 lines
2.5 KiB
PHP
<?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 victor.dubiniuk@gmail.com
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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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class Converter {
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public static function convert($input, $targetFilter, $targetExtension){
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if (Config::getConverter() == 'local'){
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$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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Helper::warnLog('Empty conversion output');
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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(__DIR__ . '/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 = \OCP\Files::tmpFile();
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$outdir = \OCP\Files::tmpFolder();
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$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($infile)
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. ' -env:UserInstallation=file://' . escapeshellarg(get_temp_dir())
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;
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file_put_contents($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(Config::getConverterUrl() . '?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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Helper::debugLog('cURL error' . curl_errno($ch) . ':' . curl_error($ch));
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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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}
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