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<?php/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- *//*# ***** BEGIN LICENSE BLOCK *****# This file is part of Plume Framework, a simple PHP Application Framework.# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.## Plume Framework is free software; you can redistribute it and/or modify# it under the terms of the GNU Lesser General Public License as published by# the Free Software Foundation; either version 2.1 of the License, or# (at your option) any later version.## Plume Framework is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the# GNU Lesser General Public License for more details.## You should have received a copy of the GNU Lesser General Public License# along with this program; if not, write to the Free Software# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA## ***** END LICENSE BLOCK ***** *//** * This file contains several utility classes. * These classes have only static methods. */class Pluf_Utils{ /** * Produces a random string. * * @param int Length of the random string to be generated. * @return string Random string */ static function getRandomString($len=35) { $string = ''; $chars = '0123456789abcdefghijklmnopqrstuvwxyz' .'ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%&*()+=-_}{[]><?/'; $lchars = strlen($chars); $i = 0; while ($i<$len) { $string .= substr($chars, mt_rand(0, $lchars-1), 1); $i++; } return $string; } /** * Produces a random password. * * The random password generator avoid characters that can be * confused like 0,O,o,1,l,I. * * @param int Length of the password (8) * @return string Password */ static function getPassword($len=8) { $string = ''; $chars = '23456789abcdefghijkmnpqrstuvwxyz' .'ABCDEFGHJKLMNPQRSTUVWXYZ'; $lchars = strlen($chars); $i = 0; while ($i<$len) { $string .= substr($chars, mt_rand(0, $lchars-1), 1); $i++; } return $string; } /** * Clean the name of a file to only have alphanumeric characters. * * @param string Name * @return string Clean name */ static function cleanFileName($name) { return mb_ereg_replace("/\015\012|\015|\012|\s|[^A-Za-z0-9\.\-\_]/", '_', $name); } static function prettySize($size) { $mb = 1024*1024; if ($size > $mb) { $mysize = sprintf('%01.2f', $size/$mb).' '. __('MB'); } elseif ($size >= 1024) { $mysize = sprintf('%01.2f', $size/1024).' '.__('kB'); } else { $mysize = sprintf('%d', $size).' '.__('bytes'); } return $mysize; } /** * RFC(2)822 Email Parser * * By Cal Henderson <cal@iamcal.com> * This code is licensed under a Creative Commons * Attribution-ShareAlike 2.5 License * Revision 5 - http://www.iamcal.com/publish/articles/php/parsing_email/ * * Comments were stripped, check the source for the way this * parser is built. It is a very interesting reading. * * @param string Email * @return bool Is email */ static function isValidEmail($email) { $email = trim($email); $n = split(' ', $email); if (count($n) > 1) { return false; } $no_ws_ctl = "[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]"; $alpha = "[\\x41-\\x5a\\x61-\\x7a]"; $digit = "[\\x30-\\x39]"; $cr = "\\x0d"; $lf = "\\x0a"; $crlf = "($cr$lf)"; $obs_char = "[\\x00-\\x09\\x0b\\x0c\\x0e-\\x7f]"; $obs_text = "($lf*$cr*($obs_char$lf*$cr*)*)"; $text = "([\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f]|$obs_text)"; $obs_qp = "(\\x5c[\\x00-\\x7f])"; $quoted_pair = "(\\x5c$text|$obs_qp)"; $wsp = "[\\x20\\x09]"; $obs_fws = "($wsp+($crlf$wsp+)*)"; $fws = "((($wsp*$crlf)?$wsp+)|$obs_fws)"; $ctext = "($no_ws_ctl|[\\x21-\\x27\\x2A-\\x5b\\x5d-\\x7e])"; $ccontent = "($ctext|$quoted_pair)"; $comment = "(\\x28($fws?$ccontent)*$fws?\\x29)"; $cfws = "(($fws?$comment)*($fws?$comment|$fws))"; $cfws = "$fws*"; $atext = "($alpha|$digit|[\\x21\\x23-\\x27\\x2a\\x2b\\x2d\\x2f\\x3d\\x3f\\x5e\\x5f\\x60\\x7b-\\x7e])"; $atom = "($cfws?$atext+$cfws?)"; $qtext = "($no_ws_ctl|[\\x21\\x23-\\x5b\\x5d-\\x7e])"; $qcontent = "($qtext|$quoted_pair)"; $quoted_string = "($cfws?\\x22($fws?$qcontent)*$fws?\\x22$cfws?)"; $word = "($atom|$quoted_string)"; $obs_local_part = "($word(\\x2e$word)*)"; $obs_domain = "($atom(\\x2e$atom)*)"; $dot_atom_text = "($atext+(\\x2e$atext+)*)"; $dot_atom = "($cfws?$dot_atom_text$cfws?)"; $dtext = "($no_ws_ctl|[\\x21-\\x5a\\x5e-\\x7e])"; $dcontent = "($dtext|$quoted_pair)"; $domain_literal = "($cfws?\\x5b($fws?$dcontent)*$fws?\\x5d$cfws?)"; $local_part = "($dot_atom|$quoted_string|$obs_local_part)"; $domain = "($dot_atom|$domain_literal|$obs_domain)"; $addr_spec = "($local_part\\x40$domain)"; $done = 0; while(!$done){ $new = preg_replace("!$comment!", '', $email); if (strlen($new) == strlen($email)){ $done = 1; } $email = $new; } return preg_match("!^$addr_spec$!", $email) ? true : false; } /** * Validate an url. * Only the structure is checked, no check of availability of the * url is performed. It is a really basic validation. */ static function isValidUrl($url) { $ip = '(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.' .'(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}'; $dom = '([a-z0-9\.\-]+)'; return (preg_match('!^(http|https|ftp|gopher)\://('.$ip.'|'.$dom.')!i', $url)) ? true : false; } /** * Convert a whatever separated list of items and returns an array * of them. * * @param string Items. * @param string Separator (',') * @return array Items. */ static function itemsToArray($items, $sep=',') { $_t = explode($sep, $items); $res = array(); foreach ($_t as $item) { $item = trim($item); if (strlen($item) > 0) { $res[] = $item; } } return $res; } /** * Run an external program capturing both stdout and stderr. * * @credits dk at brightbyte dot de * @see proc_open * * @param string Command to run (will be passed to proc_open) * @param &int Return code of the command * @return mixed false in case of error or output string */ public static function runExternal($cmd, &$code) { $descriptorspec = array( // stdin is a pipe that the child will read from 0 => array('pipe', 'r'), // stdout is a pipe that the child will write to 1 => array('pipe', 'w'), // stderr is a file to write to 2 => array('pipe', 'w')); $pipes= array(); $process = proc_open($cmd, $descriptorspec, $pipes); $output= ''; if (!is_resource($process)) return false; fclose($pipes[0]); //close child's input imidiately stream_set_blocking($pipes[1], false); stream_set_blocking($pipes[2], false); $todo = array($pipes[1], $pipes[2]); while (true) { $read = array(); if(!feof($pipes[1])) $read[] = $pipes[1]; if(!feof($pipes[2])) $read[] = $pipes[2]; if (!$read) break; $write = $ex = array(); $ready= stream_select($read, $write, $ex, 2); if ($ready === false) { break; // should never happen - something died } foreach ($read as $r) { $s = fread($r,1024); $output .= $s; } } fclose($pipes[1]); fclose($pipes[2]); $code = proc_close($process); return $output; }} |
