/**
* Steps the files scanning of the current directory
*
* @return boolean True on success, false on fatal error
*/
protected function scanFiles()
{
$engine = Factory::getScanEngine();
list($root, $translated_root, $dir) = $this->getCleanDirectoryComponents();
// Get a filters instance
$filters = Factory::getFilters();
if (is_null($this->getFiles_position)) {
Factory::getLog()->log(LogLevel::INFO, "Scanning files of " . $this->current_directory);
$this->processed_files_counter = 0;
} else {
Factory::getLog()->log(LogLevel::INFO, "Resuming scanning files of " . $this->current_directory);
}
// Get file listing
$fileList = $engine->getFiles($this->current_directory, $this->getFiles_position);
// Error propagation
$this->propagateFromObject($engine);
// If the list contains "too many" items, please break this step!
if (Factory::getConfiguration()->get('volatile.breakflag', false)) {
// Log the step break decision, for debugging reasons
Factory::getLog()->log(LogLevel::INFO, "Large directory " . $this->current_directory . " while scanning for files; I will resume scanning in next step.");
// Return immediately, marking that we are not done yet!
return true;
}
// Error control
if ($this->getError()) {
return false;
}
// Do I have an unreadable directory?
if ($fileList === false) {
$this->setWarning('Unreadable directory ' . $this->current_directory);
$this->done_file_scanning = true;
} else {
if (is_array($fileList) && !empty($fileList)) {
// Add required trailing slash to $dir
if (!empty($dir)) {
$dir .= '/';
}
// Scan all directory entries
foreach ($fileList as $fileName) {
$check = $dir . basename($fileName);
if (_AKEEBA_IS_WINDOWS) {
$check = Factory::getFilesystemTools()->TranslateWinPath($check);
}
// Do I need this? $dir contains a path relative to the root anyway...
$check = ltrim(str_replace($translated_root, '', $check), '/');
$byFilter = '';
$skipThisFile = $filters->isFilteredExtended($check, $root, 'file', 'all', $byFilter);
if ($skipThisFile) {
Factory::getLog()->log(LogLevel::INFO, "Skipping file {$fileName} (filter: {$byFilter})");
} else {
$this->file_list[] = $fileName;
$this->processed_files_counter++;
$this->progressAddFile();
}
}
}
}
// If the scanner engine nullified the next position we are done
// scanning for files
if (is_null($this->getFiles_position)) {
$this->done_file_scanning = true;
}
// If the directory was genuinely empty we will have to add an empty
// directory entry in the archive, otherwise this directory will never
// be restored.
if ($this->done_file_scanning && $this->processed_files_counter == 0) {
Factory::getLog()->log(LogLevel::INFO, "Empty directory " . $this->current_directory);
$archiver = Factory::getArchiverEngine();
if ($this->current_directory != $this->remove_path_prefix) {
$archiver->addFile($this->current_directory, $this->remove_path_prefix, $this->path_prefix);
}
// Error propagation
$this->propagateFromObject($archiver);
// Check for errors
if ($this->getError()) {
return false;
}
unset($archiver);
}
return true;
}
