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<?php |
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/** |
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* Helper class which defnes a namespace for some commonly used functions |
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* |
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* @author Pavel Kulbakin <p.kulbakin@gmail.com> |
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*/ |
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class PMXE_Helper { |
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const GLOB_MARK = 1; |
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const GLOB_NOSORT = 2; |
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const GLOB_ONLYDIR = 4; |
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|
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const GLOB_NODIR = 256; |
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const GLOB_PATH = 512; |
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const GLOB_NODOTS = 1024; |
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const GLOB_RECURSE = 2048; |
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|
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/** |
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* A safe empowered glob(). |
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* |
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* Function glob() is prohibited on some server (probably in safe mode) |
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* (Message "Warning: glob() has been disabled for security reasons in |
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* (script) on line (line)") for security reasons as stated on: |
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* http://seclists.org/fulldisclosure/2005/Sep/0001.html |
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* |
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* safe_glob() intends to replace glob() using readdir() & fnmatch() instead. |
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* Supported flags: self::GLOB_MARK, self::GLOB_NOSORT, self::GLOB_ONLYDIR |
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* Additional flags: self::GLOB_NODIR, self::GLOB_PATH, self::GLOB_NODOTS, self::GLOB_RECURSE |
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* (not original glob() flags) |
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* @author BigueNique AT yahoo DOT ca |
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* @updates |
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* - 080324 Added support for additional flags: self::GLOB_NODIR, self::GLOB_PATH, |
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* self::GLOB_NODOTS, self::GLOB_RECURSE |
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* - 100607 Recurse is_dir check fixed by Pavel Kulbakin <p.kulbakin@gmail.com> |
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*/ |
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public static function safe_glob($pattern, $flags=0) { |
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$split = explode('/', str_replace('\\', '/', $pattern)); |
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$mask = array_pop($split); |
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$path = implode('/', $split); |
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|
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if (($dir = @opendir($path . '/')) !== false or ($dir = @opendir($path)) !== false) { |
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$glob = array(); |
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while(($file = readdir($dir)) !== false) { |
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// Recurse subdirectories (self::GLOB_RECURSE) |
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if (($flags & self::GLOB_RECURSE) && is_dir($path . '/' . $file) && ( ! in_array($file, array('.', '..')))) { |
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$glob = array_merge($glob, self::array_prepend(self::safe_glob($path . '/' . $file . '/' . $mask, $flags), ($flags & self::GLOB_PATH ? '' : $file . '/'))); |
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} |
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// Match file mask |
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if (self::fnmatch($mask, $file, FNM_CASEFOLD)) { |
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if ((( ! ($flags & self::GLOB_ONLYDIR)) || is_dir("$path/$file")) |
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&& (( ! ($flags & self::GLOB_NODIR)) || ( ! is_dir($path . '/' . $file))) |
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&& (( ! ($flags & self::GLOB_NODOTS)) || ( ! in_array($file, array('.', '..')))) |
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) { |
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$glob[] = ($flags & self::GLOB_PATH ? $path . '/' : '') . $file . ($flags & self::GLOB_MARK ? '/' : ''); |
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} |
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} |
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} |
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closedir($dir); |
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if ( ! ($flags & self::GLOB_NOSORT)) sort($glob); |
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return $glob; |
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} else { |
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return (strpos($pattern, "*") === false) ? array($pattern) : false; |
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} |
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} |
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|
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/** |
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* Prepends $string to each element of $array |
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* If $deep is true, will indeed also apply to sub-arrays |
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* @author BigueNique AT yahoo DOT ca |
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* @since 080324 |
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*/ |
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public static function array_prepend($array, $string, $deep=false) { |
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if(empty($array)||empty($string)) { |
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return $array; |
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} |
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foreach ($array as $key => $element) { |
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if (is_array($element)) { |
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if ($deep) { |
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$array[$key] = self::array_prepend($element,$string,$deep); |
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} else { |
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trigger_error(__METHOD__ . ': array element', E_USER_WARNING); |
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} |
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} else { |
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$array[$key] = $string.$element; |
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} |
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} |
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return $array; |
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|
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} |
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|
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const FNM_PATHNAME = 1; |
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const FNM_NOESCAPE = 2; |
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const FNM_PERIOD = 4; |
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const FNM_CASEFOLD = 16; |
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|
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/** |
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* non-POSIX complient remplacement for the fnmatch |
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*/ |
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public static function fnmatch($pattern, $string, $flags = 0) { |
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|
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$modifiers = null; |
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$transforms = array( |
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'\*' => '.*', |
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'\?' => '.', |
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'\[\!' => '[^', |
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'\[' => '[', |
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'\]' => ']', |
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'\.' => '\.', |
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'\\' => '\\\\', |
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'\-' => '-', |
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); |
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|
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// Forward slash in string must be in pattern: |
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if ($flags & FNM_PATHNAME) { |
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$transforms['\*'] = '[^/]*'; |
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} |
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|
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// Back slash should not be escaped: |
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if ($flags & FNM_NOESCAPE) { |
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unset($transforms['\\']); |
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} |
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|
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// Perform case insensitive match: |
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if ($flags & FNM_CASEFOLD) { |
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$modifiers .= 'i'; |
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} |
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|
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// Period at start must be the same as pattern: |
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if ($flags & FNM_PERIOD) { |
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if (strpos($string, '.') === 0 && strpos($pattern, '.') !== 0) return false; |
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} |
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|
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$pattern = '#^' |
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.strtr(preg_quote($pattern, '#'), $transforms) |
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.'$#' |
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.$modifiers; |
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|
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return (boolean)preg_match($pattern, $string); |
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} |
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|
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public static function is_rapid_export_addon($cpt) |
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{ |
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if (is_array($cpt)) { |
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$cpt = $cpt[0]; |
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} |
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|
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$is_rapid_addon_export = true; |
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|
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if (strpos($cpt, 'custom_') !== 0) { |
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$is_rapid_addon_export = false; |
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} |
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|
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return $is_rapid_addon_export; |
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} |
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} |
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|