static function cleanUpOldPreviews($expireAfterDays)
{
$oneDayInSeconds = 60 * 60 * 24;
$currentTime = time();
$deleteIfPriorTo = $currentTime - getExpireSessionsAfterDays() * $oneDayInSeconds;
$previewDirectories = glob(getWritableDirectory() . '*');
foreach ($previewDirectories as $previewDirectory) {
if (is_dir($previewDirectory)) {
if (substr(basename($previewDirectory), 0, 7) == 'preview') {
@($previewDirectoryDetails = stat($previewDirectory));
if ($previewDirectoryDetails) {
$previewCreationTime = $previewDirectoryDetails['ctime'];
if ($previewCreationTime < $deleteIfPriorTo) {
Themes::deleteDirectoryRecursively($previewDirectory);
}
}
}
}
}
}
function generateDocument($pages, $generatorPipeline)
{
if (preg_match('/.\\//s', $generatorPipeline)) {
webServiceError('&error-disallowed-characters;');
}
$userAgent = 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:bignumber) Docvert';
$httpContextOptions = array('http' => array('header' => 'User-Agent: ' . $userAgent));
$httpContext = stream_context_create($httpContextOptions);
$docvertDir = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR;
$docvertWritableDir = getWritableDirectory();
$disallowDocumentGeneration = getGlobalConfigItem('doNotAllowDocumentGeneration');
if ($disallowDocumentGeneration == 'true') {
webServiceError('&document-generation-disabled;');
}
$pageXml = '<c:document xmlns="http://www.w3.org/1999/xhtml" xmlns:c="container">' . "\n";
$pageTemplate = "\n\t" . '<c:page url="{{url}}" {{baseUrl}}>{{page}}</c:page>' . "\n";
$config = array('indent' => true, 'output-xhtml' => true, 'wrap' => 200);
if (!class_exists('tidy')) {
webServiceError('&tidy-is-not-installed;');
}
$tidy = new tidy();
$baseTagPattern = "/<base[^>]*?href=([^>]*?)>/is";
foreach ($pages as $page) {
if (trim($page) != '' && (stringStartsWith($page, 'http://') || stringStartsWith($page, 'https://'))) {
$pageHtml = file_get_contents($page, null, $httpContext);
$tidy->parseString($pageHtml, $config, 'utf8');
$tidy->cleanRepair();
$thisPage = str_replace('{{url}}', $page, $pageTemplate);
$baseUrl = '';
//supporting that ugly old hack of <base>
preg_match($baseTagPattern, $pageHtml, $matches);
if (count($matches) > 0) {
$baseUrl = 'baseUrl="' . substr($matches[1], 1, -2) . '"';
}
$thisPage = str_replace('{{baseUrl}}', $baseUrl, $thisPage);
$tidiedPageContents = characterEntityToNCR(removeDoctype(removeXmlComments($tidy)));
$styleTagPattern = "/<style.*?<\\/style>/is";
$tidiedPageContents = preg_replace($styleTagPattern, '', $tidiedPageContents);
$scriptTagPattern = "/<script.*?<\\/script>/is";
$tidiedPageContents = preg_replace($scriptTagPattern, '', $tidiedPageContents);
$questionMarkPattern = "/<\\?.*?\\?>/is";
//as strangely used on news.yahoo.com
$tidiedPageContents = preg_replace($questionMarkPattern, '', $tidiedPageContents);
$thisPage = str_replace('{{page}}', $tidiedPageContents, $thisPage);
$pageXml .= $thisPage;
}
}
$pageXml .= '</c:document>';
$temporaryDirectory = getTemporaryDirectory();
$pipelineDirectory = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'generator-pipeline' . DIRECTORY_SEPARATOR . $generatorPipeline . DIRECTORY_SEPARATOR;
$pipelinePath = $pipelineDirectory . 'pipeline.xml';
if (!file_exists($pipelinePath)) {
webServiceError('&generation-pipeline-not-found; ' . revealXml($pipelinePath));
}
$pipelineString = file_get_contents($pipelinePath);
$pipelineString = substr($pipelineString, strpos($pipelineString, '<pipeline>') + 10);
$pipelineString = substr($pipelineString, 0, strpos($pipelineString, '</pipeline>'));
$pipelineStages = xmlStringToArray($pipelineString);
$pipelineSettings = array("pipeline" => $generatorPipeline, "autopipeline" => $generatorPipeline);
processAPipelineLevel($pipelineStages, $pageXml, $pipelineDirectory, $temporaryDirectory, $temporaryDirectory, $pipelineSettings);
$openDocumentPath = $temporaryDirectory . 'output.odt';
zipFiles($temporaryDirectory, $openDocumentPath);
header('Content-disposition: attachment; filename=' . basename($openDocumentPath));
header('Content-type: application/vnd.oasis.opendocument.text');
readfile($openDocumentPath);
}
