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<?php /** * ------------------------------------------------------------------------ * JA Extenstion Manager Component for J3.x * ------------------------------------------------------------------------ * Copyright (C) 2004-2011 J.O.O.M Solutions Co., Ltd. All Rights Reserved. * @license - GNU/GPL, http://www.gnu.org/licenses/gpl.html * Author: J.O.O.M Solutions Co., Ltd * Websites: http://www.joomlart.com - http://www.joomlancers.com * ------------------------------------------------------------------------ / // no direct access defined ( '_JEXEC' ) or die ( 'Restricted access' ); jimport('joomla.filesystem.file'); jimport('joomla.filesystem.folder'); class CheckSums { // Common ignore pattern such as: .svn, . ... var $ignorePattern = array("^\..", "jaupdater\..?\.xml"); /** * Use to check $entry matches any pattern in $patterns * * @param $entry * @param $patterns array * * @return boolean true if found matches pattern / function isIgnore($entry, $patterns) { if (is_array($patterns)) { foreach ($patterns as $key => $pattern) { // Regex format if (!preg_match("/^\/[^\/]+\/\w+?$/", $pattern)) { $pattern = "/$pattern/"; } if (preg_match($pattern, $entry) > 0) { return true; } } } return false; } /* * Return check sum string * * @param $file / function getCheckSum($file) { } /* * Return a set of the CRC depends on path is file or directory * * @param $path string path of the directory to be dump crc * @param $ignore array list of ignore pattern * * @return array / function dumpCRC($path, $ignore = null) { if (!JFolder::exists($path) \|\| $this->isIgnore(basename($path), $ignore)) { return false; } $ignore = empty($ignore) ? $this->ignorePattern : $ignore; //$dirCheckSum = array("name"=>basename($path)); $dirCheckSum = array(); $fileCheckSum = array(); $entries = $this->_scanDir($path, 0); foreach ($entries as $entry) { if ($entry != '.' && $entry != '..' && !$this->isIgnore($entry, $ignore)) { if (JFolder::exists($path.'/'.$entry)) { $fileCheckSum[$entry] = $this->dumpCRC($path.'/'.$entry, $ignore); } else { $fileCheckSum[$entry] = $this->getCheckSum($path.'/'.$entry); } } } $dirCheckSum["files"] = $fileCheckSum; //return md5(implode('', $fileCheckSum)); //return $dirCheckSum; return $fileCheckSum; } /* * Return a set of the CRC depends on path is file or directory * * @param $path string path of the directory to be dump crc * @param $ignore array list of ignore pattern * * @return Object / function dumpCRCObject($path, $ignore = null) { $FileSystemHelper = new FileSystemHelper(); $path = $FileSystemHelper->clean($path); if ($this->isIgnore(basename($path), $ignore)) { return false; } if (JFile::exists($path)) { return $this->getCheckSum($path); } if (!JFolder::exists($path)) { return false; } $ignore = empty($ignore) ? $this->ignorePattern : $ignore; $dirCheckSum = new stdClass(); $fileCheckSum = new stdClass(); $d = dir($path); $entries = $this->_scanDir($path, 0); foreach ($entries as $entry) { if (!$this->isIgnore($entry, $ignore)) { if (JFolder::exists($path.'/'.$entry)) { $fileCheckSum->$entry = $this->dumpCRCObject($path.'/'.$entry, $ignore); } else { $fileCheckSum->$entry = $this->getCheckSum($path.'/'.$entry); } } } $dirCheckSum->files = $fileCheckSum; return $fileCheckSum; } /* * thanhnv * * @param (string) $path * @param (boolean) $rsort - Sort an array in reverse order * @return unknown / function _scanDir($path, $rsort = 0) { if (!JFolder::exists($path)) { return false; } $d = dir($path); $aFiles = array(); $aFolders = array(); while (false !== ($entry = $d->read())) { if ($entry == '.' \|\| $entry == '..') { continue; } if (JFolder::exists($path.'/'.$entry)) { $aFolders[] = $entry; } else { $aFiles[] = $entry; } } $d->close(); if ($rsort) { rsort($aFiles); rsort($aFolders); } else { sort($aFiles); sort($aFolders); } return array_merge($aFolders, $aFiles); } /* * Compare between 2 CheckSums arrays and return a result * * @param $src * @param $target * @param $result * * @return mixed return diff array / function compare($src, $target) { $result = array(// common items exists in both "common" => null, // items only exists src "src" => null, // items only exists target "target" => null, // items diff in both "diff" => null); // === from src foreach ($src as $key => $value) { if (!array_key_exists($key, $target)) { // only in src // var_dump("add to src"); $result["src"][$key] = $value; } else if ($value === $target[$key]) { $result["common"][$key] = $value; } else if (is_array($value) && is_array($target[$key])) { // both are arrays // var_dump("item is array"); $childResult = self::compare($value, $target[$key]); if (!empty($childResult["common"])) { $result["common"][$key] = $childResult["common"]; } if (!empty($childResult["src"])) { $result["src"][$key] = $childResult["src"]; } if (!empty($childResult["target"])) { $result["target"][$key] = $childResult["target"]; } if (!empty($childResult["diff"])) { $result["diff"][$key] = $childResult["diff"]; } } else if ($value !== $target[$key]) { $result["diff"][$key] = $target[$key]; } } // === from target foreach ($target as $key => $value) { if (!array_key_exists($key, $src)) { // only in target // var_dump("add to target"); $result["target"][$key] = $value; } } return $result; } /* * Compare between 2 CheckSums objects and return a result * * @param $src * @param $target * @param $result * * @return mixed diff object / function compareObjects($src, $target) { if (!is_object($src) \|\| !is_object($target)) { return false; } $result = new stdClass(); // common items exists in both $result->common = null; // items only exists src $result->src = null; // items only exists target $result->target = null; // items diff in both $result->diff = null; // === from src foreach ($src as $key => $value) { if (!property_exists($target, $key)) { // only in src // var_dump("add to src"); $result->src->$key = $value; } else if ($value === $target->$key) { $result->common->$key = $value; } else if (is_object($value) && is_object($target->$key)) { // both are objects // var_dump("item has children"); $childResult = self::compareObjects($value, $target->$key); if (!empty($childResult->common)) { $result->common->$key = $childResult->common; } if (!empty($childResult->src)) { $result->src->$key = $childResult->src; } if (!empty($childResult->target)) { $result->target->$key = $childResult->target; } if (!empty($childResult->diff)) { $result->diff->$key = $childResult->diff; } } else if ($value !== $target->$key) { $result->diff->$key = $target->$key; } } // === from target foreach ($target as $key => $value) { if (!property_exists($src, $key)) { // only in target // var_dump("add to 2"); $result->target->$key = $value; } } return $result; } /* * Verify file or directory * * @param $path string path to file or directory to verify * @param $crc object structured object with can create early with $this->dumpCRCObject() * * @return boolean true if match, otherwise return false */ function verify($path, $crc, &$r) { $retVal = true; if (JFolder::exists($path) && is_object($crc)) { foreach ($crc as $name => $value) { $cPath = $path.'/'.$name; if (file_exists($cPath)) { if (is_object($value) && JFolder::exists($cPath)) { $rNew = null; if ($this->verify($cPath, $rNew) === false) { $retVal = false; } $r->$name = $rNew; } else { $r->$name = $this->getCheckSum($cPath) == $value; if ($r->$name === false) { $retVal = false; } } } else { $retVal = $r->$name = false; } } } else if (JFile::exists($path)) { $r = $this->getCheckSum($path) == $crc; $retVal = $r; } return $retVal; } }

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