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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 | <?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 $string; } static public function convBase($numberInput, $fromBaseInput, $toBaseInput) { if ($fromBaseInput==$toBaseInput) return $numberInput; $fromBase = str_split($fromBaseInput,1); $toBase = str_split($toBaseInput,1); $number = str_split($numberInput,1); $fromLen=strlen($fromBaseInput); $toLen=strlen($toBaseInput); $numberLen=strlen($numberInput); $retval=''; if ($toBaseInput == '0123456789') { $retval=0; for ($i = 1;$i <= $numberLen; $i++) $retval = bcadd($retval, bcmul(array_search($number[$i-1], $fromBase),bcpow($fromLen,$numberLen-$i))); return $retval; } if ($fromBaseInput != '0123456789') $base10=Pluf_Utils::convBase($numberInput, $fromBaseInput, '0123456789'); else $base10 = $numberInput; if ($base10<strlen($toBaseInput)) return $toBase[$base10]; while($base10 != '0') { $retval = $toBase[bcmod($base10,$toLen)].$retval; $base10 = bcdiv($base10,$toLen,0); } return $retval; } /** * Clean the name of a file to only have alphanumeric characters. * * @param string Name * @return string Clean name */ static function cleanFileName($name) { return mb_ereg_replace("/\015\012|\015|\012|\s|[^A-Za-z0-9\.\-\_]/", '_', $name); } static function prettySize($size) { switch (strtolower(substr($size, -1))) { case 'k': $size = substr($size, 0, -1) * 1000; break; case 'm': $size = substr($size, 0, -1) * 1000*1000; break; case 'g': $size = substr($size, 0, -1) * 1000*1000*1000; break; } if ($size > (1000*1000*1000)) { $mysize = sprintf('%01.2f', $size/(1000*1000*1000)).' '. __('GB'); } elseif ($size > (1000*1000)) { $mysize = sprintf('%01.2f', $size/(1000*1000)).' '. __('MB'); } elseif ($size >= 1000) { $mysize = sprintf('%01.2f', $size/1000).' '.__('kB'); } else { $mysize = sprintf(_n('%d byte', '%d bytes', $size), $size); } 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 = explode(' ', $email); if (count($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 $output; } /** * URL safe base 64 encoding. * * Compatible with python base64's urlsafe methods. * * @link http://www.php.net/manual/en/function.base64-encode.php#63543 */ public static function urlsafe_b64encode($string) { return str_replace(array('+','/','='), array('-','_',''), base64_encode($string)); } /** * URL safe base 64 decoding. */ public static function urlsafe_b64decode($string) { $data = str_replace(array('-','_'), array('+','/'), $string); $mod4 = strlen($data) % 4; if ($mod4) { $data .= substr('====', $mod4); } return base64_decode($data); } /** * Flatten an array. * * @param array $array The array to flatten. * @return array */ public static function flattenArray($array) { $result = array(); foreach (new RecursiveIteratorIterator(new RecursiveArrayIterator($array)) as $value) { $result[] = $value; } return $result; }} |
