Current File : /var/www/knwn/wp-content/plugins/loco-translate/src/ajax/DownloadController.php
<?php
/**
* Ajax "download" route, for outputting raw gettext file contents.
*/
class Loco_ajax_DownloadController extends Loco_mvc_AjaxController {
/**
* {@inheritdoc}
*/
public function render(){
$post = $this->validate();
// we need a path, but it may not need to exist
$file = new Loco_fs_File( $this->get('path') );
$file->normalize( loco_constant( 'WP_CONTENT_DIR') );
// Restrict download to gettext file formats
$ext = Loco_gettext_Data::ext($file);
// posted source must be clean and must parse as whatever the file extension claims to be
if( $raw = $post->source ){
// compile source if target is MO
if( 'mo' === $ext ) {
$raw = Loco_gettext_Data::fromSource($raw)->msgfmt();
}
}
// else file can be output directly if it exists.
// note that files on disk will not be parsed or manipulated. they will download strictly as-is
else if( $file->exists() ){
$raw = $file->getContents();
}
// else we can't do anything except bail
else {
throw new Loco_error_Exception('File not found and no source posted');
}
// Observe UTF-8 BOM setting for PO and POT only
if( 'po' === $ext || 'pot' === $ext ){
$has_bom = "\xEF\xBB\xBF" === substr($raw,0,3);
$use_bom = (bool) Loco_data_Settings::get()->po_utf8_bom;
// only alter file if valid UTF-8. Deferring detection overhead until required
if( $has_bom !== $use_bom && preg_match('//u',$raw) ){
if( $use_bom ){
$raw = "\xEF\xBB\xBF".$raw; // prepend
}
else {
$raw = substr($raw,3); // strip bom
}
}
}
return $raw;
}
}
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