Gestionnaire de fichiers - Editer - /home/wwgoat/public_html/blog/wp-content/plugins/loco-translate/src/ajax/FsReferenceController.php
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<?php /** * Ajax service that returns source code for a given file system reference * Currently this is only PHP, but could theoretically be any file type. */ class Loco_ajax_FsReferenceController extends Loco_ajax_common_BundleController { /** * @param string $refpath * @return Loco_fs_File */ private function findSourceFile( $refpath ){ // reference may be resolvable via referencing PO file's location $pofile = new Loco_fs_File( $this->get('path') ); $pofile->normalize( loco_constant('WP_CONTENT_DIR') ); if( ! $pofile->exists() ){ throw new InvalidArgumentException('PO/POT file required to resolve reference'); } $search = new Loco_gettext_SearchPaths; $search->init($pofile); if( $srcfile = $search->match($refpath) ){ return $srcfile; } // check against PO file location when no search paths or search paths failed $srcfile = new Loco_fs_File($refpath); $srcfile->normalize( $pofile->dirname() ); if( $srcfile->exists() ){ return $srcfile; } // reference may be resolvable via known project roots try { $bundle = $this->getBundle(); // Loco extractions will always be relative to bundle root $srcfile = new Loco_fs_File( $refpath ); $srcfile->normalize( $bundle->getDirectoryPath() ); if( $srcfile->exists() ){ return $srcfile; } // check relative to parent theme root if( $bundle->isTheme() && ( $parent = $bundle->getParent() ) ){ $srcfile = new Loco_fs_File( $refpath ); $srcfile->normalize( $parent->getDirectoryPath() ); if( $srcfile->exists() ){ return $srcfile; } } // final attempt - search all project source roots // TODO is there too large a risk of false positives? especially with files like index.php /* @var $root Loco_fs_Directory */ /*foreach( $this->getProject($bundle)->getConfiguredSources() as $root ){ if( $root->isDirectory() ){ $srcfile = new Loco_fs_File( $refpath ); $srcfile->normalize( $root->getPath() ); if( $srcfile->exists() ){ return $srcfile; } } }*/ } catch( Loco_error_Exception $e ){ // permitted for there to be no bundle or project when viewing orphaned file } throw new Loco_error_Exception( sprintf('Failed to find source file matching "%s"',$refpath) ); } /** * {@inheritdoc} */ public function render(){ $post = $this->validate(); // at the very least we need a reference to examine if( ! $post->has('ref') ){ throw new InvalidArgumentException('ref parameter required'); } // reference must parse as <path>:<line> $refpath = $post->ref; if( preg_match('/^(.+):(\\d+)$/', $refpath, $r ) ){ $refpath = $r[1]; $refline = (int) $r[2]; } else { $refline = 0; } // find file or fail $srcfile = $this->findSourceFile($refpath); // deny access to sensitive files if( 'wp-config.php' === $srcfile->basename() ){ throw new InvalidArgumentException('File access disallowed'); } // validate allowed source file types, including custom aliases $conf = Loco_data_Settings::get(); $ext = strtolower( $srcfile->extension() ); $type = $conf->ext2type($ext,'none'); if( 'none' === $type ){ throw new InvalidArgumentException('File extension disallowed, '.$ext ); } $this->set('type', $type ); $this->set('line', $refline ); $this->set('path', $srcfile->getRelativePath( loco_constant('WP_CONTENT_DIR') ) ); // source code will be HTML-tokenized into multiple lines $code = []; // observe the same size limits for source highlighting as for string extraction as tokenizing will use the same amount of juice $maxbytes = wp_convert_hr_to_bytes( $conf->max_php_size ); // tokenizers require gettext utilities, easiest just to ping the extraction library if( ! class_exists('Loco_gettext_Extraction',true) ){ throw new RuntimeException('Failed to load tokenizers'); // @codeCoverageIgnore } // PHP is the most likely format. if( 'php' === $type && ( $srcfile->size() <= $maxbytes ) && loco_check_extension('tokenizer') ) { $tokens = new LocoPHPTokens( token_get_all( $srcfile->getContents() ) ); } else if( 'js' === $type ){ $tokens = new LocoJsTokens( $srcfile->getContents() ); } else { $tokens = null; } // highlighting on back end because tokenizer provides more control than highlight.js if( $tokens instanceof LocoTokensInterface ){ $thisline = 1; while( $tok = $tokens->advance() ){ if( is_array($tok) ){ // line numbers added in PHP 5.2.2 - WordPress minimum is 5.2.4 list( $t, $str, $startline ) = $tok; $clss = token_name($t); // tokens can span multiple lines (whitespace/html/comments) $lines = preg_split('/\\R/', $str ); } else { // scalar symbol will always start on the line that the previous token ended on $clss = 'T_NONE'; $lines = [ $tok ]; $startline = $thisline; } // token can span multiple lines, so include only bytes on required line[s] foreach( $lines as $i => $line ){ $thisline = $startline + $i; $html = '<code class="'.$clss.'">'.htmlentities($line,ENT_COMPAT,'UTF-8').'</code>'; // append highlighted token to current line $j = $thisline - 1; if( isset($code[$j]) ){ $code[$j] .= $html; } else { $code[$j] = $html; } } } } // permit limited other file types, but without back end highlighting else { foreach( preg_split( '/\\R/u', $srcfile->getContents() ) as $line ){ $code[] = '<code>'.htmlentities($line,ENT_COMPAT,'UTF-8').'</code>'; } } // allow 0 line reference when line is unknown (e.g. block.json) else it must exist if( $refline && ! isset($code[$refline-1]) ){ throw new Loco_error_Exception( sprintf('Line %u not in source file', $refline) ); } $this->set( 'code', $code ); return parent::render(); } }
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