Файловый менеджер

Файловый менеджер - Редактировать - /home/digilove/public_html/110/installation/framework/utils/phptokenizer.php

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<?php /** * ANGIE - The site restoration script for backup archives created by Akeeba Backup and Akeeba Solo * * @package angie * @copyright Copyright (c)2009-2023 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 3, or later / /* * Parses an PHP string and extract the requests tokens from it * Based on Awf\Utils\PhpTokenizer / class AUtilsPhptokenizer { /* @var string PHP code that will be analyzed / private $code; /* * Class constructor * * @param string $code PHP code that will be analyzed / public function __construct($code = null) { $this->code = $code; } /* * Sets the code that will be analyzed * * @param string $code PHP code that will be analyzed * * @return $this / public function setCode($code) { $this->code = $code; return $this; } /* * Searches for a specific PHP token and extracts its code * * @param string $type PHP Token constant or a custom one (@see tokenChar()) * @param string $name Name of the token (ie variable name) * @param int $skip How many lines should I skip from the beginning? * * @return array Indexed array containing the starting /ending line and the data contained inside / public function searchToken($type, $name, $skip = 0) { if(!$this->code) { throw new RuntimeException('Please set some code before trying to analyze it'); } // Let's find the starting line (where the token first appears) $startLine = $this->findToken($type, $name, $skip); // Token not found? Let's raise an exception if(!$startLine) { throw new RuntimeException('Token '.$type.' with value '.$name.' not found'); } // Ok, got it, now let's search for the semicolon $endLine = $this->findToken('AWF_SEMICOLON', ';', $startLine); $data = $this->extractData($startLine, $endLine); return array( 'startLine' => $startLine, 'endLine' => $endLine, 'data' => $data ); } /* * Given a PHP token, this function replaces it with a new text * * @param string $type PHP Token constant or a custom one (@see tokenChar()) * @param string $name Name of the token (ie variable name) * @param int $skip How many lines should I skip from the beginning? * @param string $replace Replacing text * * @return string The new text / public function replaceToken($type, $name, $skip = 0, $replace = '') { if(!$this->code) { throw new RuntimeException('Please set some code before trying to analyze it'); } // Let's find the starting line (where the token first appears) $startLine = $this->findToken($type, $name, $skip); // Token not found? Let's raise an exception if(!$startLine) { throw new RuntimeException('Token '.$type.' with value '.$name.' not found'); } // Ok, got it, now let's search for the semicolon $endLine = $this->findToken('AWF_SEMICOLON', ';', $startLine); $data = $this->replaceData($startLine, $endLine, $replace); return $data; } /* * Finds the line where the requested PHP Token appears * * @param string $type PHP Token constant or a custom one (@see tokenChar()) * @param string $name Name of the token (ie variable name) * @param int $skip How many line should I skip from the beginning? * * @return int\|null Returns the corrispongin line or null if not found / protected function findToken($type, $name, $skip = 0) { $code = $this->processCode($skip); // Simply sanity check. If the "string" is not present (even in commented code), there's // no need to loop on every token: we can simply assume that the variable is not there if(strpos($code, $name) === false) { return null; } $tokens = token_get_all($this->code); $iterator = new ArrayIterator($tokens); $collection = new CachingIterator($iterator, CachingIterator::TOSTRING_USE_CURRENT); $offset = $skip ? $skip - 1 : 0; // Ok let's start looking for the requested token foreach($collection as $token) { if(is_string($token)) { $info['token'] = $this->tokenChar($token); $info['value'] = $token; } else { $info['token'] = token_name($token[0]); $info['value'] = $token[1]; } // Ok token found, let's get the line (we have to add the skip count since we processed the whole code string) if($info['token'] == $type && $info['value'] == $name) { // If it's an array, that's easy if(is_array($token)) { return $token[2] + $offset - 1; } else { // It's a string, I have to fetch the next token so I'll have the proper line number // To be sure, I have to iterate until I finally get an array for the token $next = null; while(!is_array($next)) { $next = $collection->getInnerIterator()->current(); // The next token is not an array (ie it's a char like ;.=?)? Move the iterator forward and fetch // the next token if(!is_array($next)) { $collection->getInnerIterator()->next(); continue; } return $next[2] + $offset; } } } } return null; } /* * Processes the current code snippet, removing the lines we have to skip * * @param int $skip * * @return string The part of the code we're interested in / protected function processCode($skip) { if(!$skip) { return $this->code; } $lines = explode("\n", $this->code); // If the line is not defined, let's return the whole code if(!isset($lines[$skip])) { return $this->code; } // I have to add the opening tag, otherwise token_get_all() won't find anything $result = '<?php'."\n"; for($i = ($skip - 1); $i < count($lines); $i++) { if(!isset($lines[$i])) { break; } $result .= $lines[$i]."\n"; } return $result; } /* * Given a starting and an ending line, extract the text within them * * @param int $start * @param int $end * * @return string / protected function extractData($start, $end) { $result = ''; $lines = explode("\n", $this->code); if(!isset($lines[$start])) { return $result; } for($i = ($start - 1); $i < $end; $i++) { if(!isset($lines[$i])) { break; } $result .= $lines[$i]."\n"; } return $result; } /* * Replaces the text between the starting and the ending line * * @param int $start Starting line * @param int $end Ending line * @param string $replace Text that will be replaced * * @return string The new text / protected function replaceData($start, $end, $replace = '') { $result = array(); $lines = explode("\n", $this->code); $i = 0; foreach($lines as $line) { $i += 1; // Line is before or after the section we are interested into, let's add to the final result if($i < $start \|\| $i > $end) { $result[] = $line; } // We hit the starting zone, let's inject our replace data if($i == $start) { $result[] = $replace; } } $result = implode("\n", $result); return $result; } /* * PHP doesn't have a token for single chars as (),;= and so on. * This function sets some custom tokens for consistency * * @param string $char * * @return string Our custom token */ private function tokenChar($char) { switch($char) { case ';': return 'AWF_SEMICOLON'; } return 'AWF_UNKNOWN'; } }

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