| 1 |
<?php |
| 2 |
|
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|
| 4 |
namespace Javanile\Imap2\Roundcube; |
| 5 |
|
| 6 |
use Javanile\Imap2\DateTime; |
| 7 |
use Javanile\Imap2\DateTimeZone; |
| 8 |
use Javanile\Imap2\Exception; |
| 9 |
use Javanile\Imap2\rcube; |
| 10 |
use Javanile\Imap2\rcube_charset; |
| 11 |
use Javanile\Imap2\rcube_string_replacer; |
| 12 |
|
| 13 |
class Utils |
| 14 |
{ |
| 15 |
const INPUT_GET = 1; |
| 16 |
const INPUT_POST = 2; |
| 17 |
const INPUT_COOKIE = 4; |
| 18 |
const INPUT_GP = 3; // GET + POST |
| 19 |
const INPUT_GPC = 7; // GET + POST + COOKIE |
| 20 |
|
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|
| 22 |
public static function setcookie($name, $value, $exp = 0, $http_only = true) |
| 23 |
{ |
| 24 |
if (headers_sent()) { |
| 25 |
return; |
| 26 |
} |
| 27 |
|
| 28 |
$cookie = session_get_cookie_params(); |
| 29 |
$secure = $cookie['secure'] || self::https_check(); |
| 30 |
|
| 31 |
setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'], $secure, $http_only); |
| 32 |
} |
| 33 |
|
| 34 |
public static function check_email($email, $dns_check=true) |
| 35 |
{ |
| 36 |
if (preg_match('/\p{Cc}/u', $email)) { |
| 37 |
return false; |
| 38 |
} |
| 39 |
|
| 40 |
if (strlen($email) > 254) { |
| 41 |
return false; |
| 42 |
} |
| 43 |
|
| 44 |
$pos = strrpos($email, '@'); |
| 45 |
if (!$pos) { |
| 46 |
return false; |
| 47 |
} |
| 48 |
|
| 49 |
$domain_part = substr($email, $pos + 1); |
| 50 |
$local_part = substr($email, 0, $pos); |
| 51 |
|
| 52 |
if (substr($local_part,0,1) == '"') { |
| 53 |
$local_quoted = preg_replace('/\\\\(\\\\|\")/','', substr($local_part, 1, -1)); |
| 54 |
if (preg_match('/\\\\|"/', $local_quoted)) { |
| 55 |
return false; |
| 56 |
} |
| 57 |
} |
| 58 |
else if (preg_match('/(^\.|\.\.|\.$)/', $local_part) |
| 59 |
|| preg_match('/[\\ ",:;<>@]/', $local_part) |
| 60 |
) { |
| 61 |
return false; |
| 62 |
} |
| 63 |
|
| 64 |
if (preg_match('/^\[((IPv6:[0-9a-f:.]+)|([0-9.]+))\]$/i', $domain_part, $matches)) { |
| 65 |
return self::check_ip(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address |
| 66 |
} |
| 67 |
else { |
| 68 |
$domain_array = explode('.', $domain_part); |
| 69 |
if (count($domain_array) < 2) { |
| 70 |
return false; |
| 71 |
} |
| 72 |
|
| 73 |
foreach ($domain_array as $part) { |
| 74 |
if (!preg_match('/^((xn--)?([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) { |
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return false; |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
$last_part = array_pop($domain_array); |
| 80 |
if (strpos($last_part, 'xn--') !== 0 && preg_match('/[^a-zA-Z]/', $last_part)) { |
| 81 |
return false; |
| 82 |
} |
| 83 |
|
| 84 |
$rcube = rcube::get_instance(); |
| 85 |
|
| 86 |
if (!$dns_check || !function_exists('checkdnsrr') || !$rcube->config->get('email_dns_check')) { |
| 87 |
return true; |
| 88 |
} |
| 89 |
|
| 90 |
foreach (array('A', 'MX', 'CNAME', 'AAAA') as $type) { |
| 91 |
if (checkdnsrr($domain_part, $type)) { |
| 92 |
return true; |
| 93 |
} |
| 94 |
} |
| 95 |
} |
| 96 |
|
| 97 |
return false; |
| 98 |
} |
| 99 |
|
| 100 |
public static function check_ip($ip) |
| 101 |
{ |
| 102 |
return filter_var($ip, FILTER_VALIDATE_IP) !== false; |
| 103 |
} |
| 104 |
|
| 105 |
public static function rep_specialchars_output($str, $enctype = '', $mode = '', $newlines = true) |
| 106 |
{ |
| 107 |
static $html_encode_arr = false; |
| 108 |
static $js_rep_table = false; |
| 109 |
static $xml_rep_table = false; |
| 110 |
|
| 111 |
if (!is_string($str)) { |
| 112 |
$str = strval($str); |
| 113 |
} |
| 114 |
|
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if ($enctype == 'html') { |
| 116 |
if (!$html_encode_arr) { |
| 117 |
$html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS); |
| 118 |
unset($html_encode_arr['?']); |
| 119 |
} |
| 120 |
|
| 121 |
$encode_arr = $html_encode_arr; |
| 122 |
|
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if ($mode == 'remove') { |
| 124 |
$str = strip_tags($str); |
| 125 |
} |
| 126 |
else if ($mode != 'strict') { |
| 127 |
$ltpos = strpos($str, '<'); |
| 128 |
if ($ltpos !== false && strpos($str, '>', $ltpos) !== false) { |
| 129 |
unset($encode_arr['"']); |
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unset($encode_arr['<']); |
| 131 |
unset($encode_arr['>']); |
| 132 |
unset($encode_arr['&']); |
| 133 |
} |
| 134 |
} |
| 135 |
|
| 136 |
$out = strtr($str, $encode_arr); |
| 137 |
|
| 138 |
return $newlines ? nl2br($out) : $out; |
| 139 |
} |
| 140 |
|
| 141 |
if ($js_rep_table === false) { |
| 142 |
$js_rep_table = $xml_rep_table = array(); |
| 143 |
$xml_rep_table['&'] = '&'; |
| 144 |
|
| 145 |
for ($c=160; $c<256; $c++) { |
| 146 |
$xml_rep_table[chr($c)] = "&#$c;"; |
| 147 |
} |
| 148 |
|
| 149 |
$xml_rep_table['"'] = '"'; |
| 150 |
$js_rep_table['"'] = '\\"'; |
| 151 |
$js_rep_table["'"] = "\\'"; |
| 152 |
$js_rep_table["\\"] = "\\\\"; |
| 153 |
$js_rep_table[chr(hexdec('E2')).chr(hexdec('80')).chr(hexdec('A8'))] = '
'; |
| 154 |
$js_rep_table[chr(hexdec('E2')).chr(hexdec('80')).chr(hexdec('A9'))] = '
'; |
| 155 |
} |
| 156 |
|
| 157 |
if ($enctype == 'js') { |
| 158 |
return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), strtr($str, $js_rep_table)); |
| 159 |
} |
| 160 |
|
| 161 |
if ($enctype == 'text') { |
| 162 |
return str_replace("\r\n", "\n", $mode == 'remove' ? strip_tags($str) : $str); |
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} |
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|
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if ($enctype == 'url') { |
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return rawurlencode($str); |
| 167 |
} |
| 168 |
|
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if ($enctype == 'xml') { |
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return strtr($str, $xml_rep_table); |
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} |
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|
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return $str; |
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} |
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|
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public static function get_input_value($fname, $source, $allow_html = false, $charset = null) |
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{ |
| 178 |
$value = null; |
| 179 |
|
| 180 |
if (($source & self::INPUT_GET) && isset($_GET[$fname])) { |
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$value = $_GET[$fname]; |
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} |
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|
| 184 |
if (($source & self::INPUT_POST) && isset($_POST[$fname])) { |
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$value = $_POST[$fname]; |
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} |
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|
| 188 |
if (($source & self::INPUT_COOKIE) && isset($_COOKIE[$fname])) { |
| 189 |
$value = $_COOKIE[$fname]; |
| 190 |
} |
| 191 |
|
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return self::parse_input_value($value, $allow_html, $charset); |
| 193 |
} |
| 194 |
|
| 195 |
public static function parse_input_value($value, $allow_html = false, $charset = null) |
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{ |
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global $OUTPUT; |
| 198 |
|
| 199 |
if (empty($value)) { |
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return $value; |
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} |
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|
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if (is_array($value)) { |
| 204 |
foreach ($value as $idx => $val) { |
| 205 |
$value[$idx] = self::parse_input_value($val, $allow_html, $charset); |
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} |
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return $value; |
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} |
| 209 |
|
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if (!$allow_html) { |
| 211 |
$value = strip_tags($value); |
| 212 |
} |
| 213 |
|
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$output_charset = is_object($OUTPUT) ? $OUTPUT->get_charset() : null; |
| 215 |
|
| 216 |
if ($output_charset == 'UTF-8') { |
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$value = rcube_charset::clean($value); |
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} |
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|
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if ($charset && $output_charset) { |
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$value = rcube_charset::convert($value, $output_charset, $charset); |
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} |
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|
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return $value; |
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} |
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|
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public static function request2param($mode = null, $ignore = 'task|action', $allow_html = false) |
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{ |
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$out = array(); |
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$src = $mode == self::INPUT_GET ? $_GET : ($mode == self::INPUT_POST ? $_POST : $_REQUEST); |
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|
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foreach (array_keys($src) as $key) { |
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$fname = $key[0] == '_' ? substr($key, 1) : $key; |
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if ($ignore && !preg_match('/^(' . $ignore . ')$/', $fname)) { |
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$out[$fname] = self::get_input_value($key, $mode, $allow_html); |
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} |
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} |
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|
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return $out; |
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} |
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|
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public static function html_identifier($str, $encode = false) |
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{ |
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if ($encode) { |
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return rtrim(strtr(base64_encode($str), '+/', '-_'), '='); |
| 246 |
} |
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|
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return asciiwords($str, true, '_'); |
| 249 |
} |
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|
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public static function mod_css_styles($source, $container_id, $allow_remote = false, $prefix = '') |
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{ |
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$last_pos = 0; |
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$replacements = new rcube_string_replacer; |
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|
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$source = self::xss_entity_decode($source); |
| 257 |
$stripped = preg_replace('/[^a-z\(:;]/i', '', $source); |
| 258 |
$evilexpr = 'expression|behavior|javascript:|import[^a]' . (!$allow_remote ? '|url\((?!data:image)' : ''); |
| 259 |
|
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if (preg_match("/$evilexpr/i", $stripped)) { |
| 261 |
return '/* evil! */'; |
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} |
| 263 |
|
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$strict_url_regexp = '!url\s*\(\s*["\']?(https?:)//[a-z0-9/._+-]+["\']?\s*\)!Uims'; |
| 265 |
|
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while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) { |
| 267 |
$nested = strpos($source, '{', $pos+1); |
| 268 |
if ($nested && $nested < $pos2) // when dealing with nested blocks (e.g. @media), take the inner one |
| 269 |
$pos = $nested; |
| 270 |
$length = $pos2 - $pos - 1; |
| 271 |
$styles = substr($source, $pos+1, $length); |
| 272 |
|
| 273 |
$styles = preg_replace('/position[^a-z]*:[\s\r\n]*fixed/i', 'position: absolute', $styles); |
| 274 |
|
| 275 |
if ($allow_remote) { |
| 276 |
$a_styles = preg_split('/;[\r\n]*/', $styles, -1, PREG_SPLIT_NO_EMPTY); |
| 277 |
|
| 278 |
for ($i=0, $len=count($a_styles); $i < $len; $i++) { |
| 279 |
$line = $a_styles[$i]; |
| 280 |
$stripped = preg_replace('/[^a-z\(:;]/i', '', $line); |
| 281 |
|
| 282 |
if (stripos($stripped, 'url(data:image')) { |
| 283 |
$a_styles[$i] .= ';' . $a_styles[$i+1]; |
| 284 |
unset($a_styles[$i+1]); |
| 285 |
} |
| 286 |
else if (stripos($stripped, 'url(') && !preg_match($strict_url_regexp, $line)) { |
| 287 |
$a_styles = array('/* evil! */'); |
| 288 |
break; |
| 289 |
} |
| 290 |
} |
| 291 |
|
| 292 |
$styles = implode(";\n", $a_styles); |
| 293 |
} |
| 294 |
|
| 295 |
$key = $replacements->add($styles); |
| 296 |
$repl = $replacements->get_replacement($key); |
| 297 |
$source = substr_replace($source, $repl, $pos+1, $length); |
| 298 |
$last_pos = $pos2 - ($length - strlen($repl)); |
| 299 |
} |
| 300 |
|
| 301 |
$source = preg_replace('/(^\s*<\!--)|(-->\s*$)/m', '', $source); |
| 302 |
|
| 303 |
if ($container_id || $prefix) { |
| 304 |
$regexp = '/(^\s*|,\s*|\}\s*|\{\s*)((?!##str):?[a-z0-9\._#\*\[][a-z0-9\._:\(\)#=~ \[\]"\|\>\+\$\^-]*)/im'; |
| 305 |
$callback = function($matches) use ($container_id, $prefix) { |
| 306 |
$replace = $matches[2]; |
| 307 |
|
| 308 |
if (stripos($replace, ':root') === 0) { |
| 309 |
$replace = substr($replace, 5); |
| 310 |
} |
| 311 |
|
| 312 |
if ($prefix) { |
| 313 |
$replace = str_replace(array('.', '#'), array(".$prefix", "#$prefix"), $replace); |
| 314 |
} |
| 315 |
|
| 316 |
if ($container_id) { |
| 317 |
$replace = "#$container_id " . $replace; |
| 318 |
} |
| 319 |
|
| 320 |
$replace = preg_replace('/\s+/', ' ', $replace); |
| 321 |
|
| 322 |
return str_replace($matches[2], $replace, $matches[0]); |
| 323 |
}; |
| 324 |
|
| 325 |
$source = preg_replace_callback($regexp, $callback, $source); |
| 326 |
} |
| 327 |
|
| 328 |
if ($container_id) { |
| 329 |
$regexp = '/#' . preg_quote($container_id, '/') . '\s+body/i'; |
| 330 |
$source = preg_replace($regexp, "#$container_id", $source); |
| 331 |
} |
| 332 |
|
| 333 |
$source = $replacements->resolve($source); |
| 334 |
|
| 335 |
return $source; |
| 336 |
} |
| 337 |
|
| 338 |
public static function file2class($mimetype, $filename) |
| 339 |
{ |
| 340 |
$mimetype = strtolower($mimetype); |
| 341 |
$filename = strtolower($filename); |
| 342 |
|
| 343 |
list($primary, $secondary) = explode('/', $mimetype); |
| 344 |
|
| 345 |
$classes = array($primary ?: 'unknown'); |
| 346 |
|
| 347 |
if ($secondary) { |
| 348 |
$classes[] = $secondary; |
| 349 |
} |
| 350 |
|
| 351 |
if (preg_match('/\.([a-z0-9]+)$/', $filename, $m)) { |
| 352 |
if (!in_array($m[1], $classes)) { |
| 353 |
$classes[] = $m[1]; |
| 354 |
} |
| 355 |
} |
| 356 |
|
| 357 |
return implode(' ', $classes); |
| 358 |
} |
| 359 |
|
| 360 |
public static function xss_entity_decode($content) |
| 361 |
{ |
| 362 |
$callback = function($matches) { return chr(hexdec($matches[1])); }; |
| 363 |
|
| 364 |
$out = html_entity_decode(html_entity_decode($content)); |
| 365 |
$out = trim(preg_replace('/(^<!--|-->$)/', '', trim($out))); |
| 366 |
$out = preg_replace_callback('/\\\([0-9a-f]{2,6})\s*/i', $callback, $out); |
| 367 |
$out = preg_replace('/\\\([^0-9a-f])/i', '\\1', $out); |
| 368 |
$out = preg_replace('#/\*.*\*/#Ums', '', $out); |
| 369 |
$out = strip_tags($out); |
| 370 |
|
| 371 |
return $out; |
| 372 |
} |
| 373 |
|
| 374 |
public static function mem_check($need) |
| 375 |
{ |
| 376 |
$mem_limit = parse_bytes(ini_get('memory_limit')); |
| 377 |
$memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB |
| 378 |
|
| 379 |
return $mem_limit > 0 && $memory + $need > $mem_limit ? false : true; |
| 380 |
} |
| 381 |
|
| 382 |
public static function https_check($port = null, $use_https = true) |
| 383 |
{ |
| 384 |
if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') { |
| 385 |
return true; |
| 386 |
} |
| 387 |
|
| 388 |
if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) |
| 389 |
&& strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https' |
| 390 |
&& in_array($_SERVER['REMOTE_ADDR'], rcube::get_instance()->config->get('proxy_whitelist', array())) |
| 391 |
) { |
| 392 |
return true; |
| 393 |
} |
| 394 |
|
| 395 |
if ($port && $_SERVER['SERVER_PORT'] == $port) { |
| 396 |
return true; |
| 397 |
} |
| 398 |
|
| 399 |
if ($use_https && rcube::get_instance()->config->get('use_https')) { |
| 400 |
return true; |
| 401 |
} |
| 402 |
|
| 403 |
return false; |
| 404 |
} |
| 405 |
|
| 406 |
public static function parse_host($name, $host = '') |
| 407 |
{ |
| 408 |
if (!is_string($name)) { |
| 409 |
return $name; |
| 410 |
} |
| 411 |
|
| 412 |
$n = self::server_name(); |
| 413 |
$t = preg_replace('/^[^.]+\.(?![^.]+$)/', '', $n); |
| 414 |
$d = preg_replace('/^[^.]+\.(?![^.]+$)/', '', self::server_name('HTTP_HOST')); |
| 415 |
$h = $_SESSION['storage_host'] ?: $host; |
| 416 |
$z = preg_replace('/^[^.]+\.(?![^.]+$)/', '', $h); |
| 417 |
if (strpos($name, '%s') !== false) { |
| 418 |
$user_email = self::idn_to_ascii(self::get_input_value('_user', self::INPUT_POST)); |
| 419 |
$matches = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s); |
| 420 |
if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) { |
| 421 |
return false; |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
return str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($n, $t, $d, $h, $z, $s[2]), $name); |
| 426 |
} |
| 427 |
|
| 428 |
public static function server_name($type = null, $strip_port = true) |
| 429 |
{ |
| 430 |
$name = $_SERVER[$type ?: 'SERVER_NAME']; |
| 431 |
$rcube = rcube::get_instance(); |
| 432 |
$patterns = (array) $rcube->config->get('trusted_host_patterns'); |
| 433 |
|
| 434 |
if ($strip_port) { |
| 435 |
$name = preg_replace('/:\d+$/', '', $name); |
| 436 |
} |
| 437 |
|
| 438 |
if (empty($patterns) || in_array_nocase($name, $patterns)) { |
| 439 |
return $name; |
| 440 |
} |
| 441 |
|
| 442 |
if (!empty($name)) { |
| 443 |
foreach ($patterns as $pattern) { |
| 444 |
if (preg_match("/$pattern/", $name)) { |
| 445 |
return $name; |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
$rcube->raise_error(array('file' => __FILE__, 'line' => __LINE__, |
| 450 |
'message' => "Specified host is not trusted. Using 'localhost'."), true, false); |
| 451 |
} |
| 452 |
|
| 453 |
return 'localhost'; |
| 454 |
} |
| 455 |
|
| 456 |
public static function remote_ip() |
| 457 |
{ |
| 458 |
$address = $_SERVER['REMOTE_ADDR']; |
| 459 |
|
| 460 |
if (!empty($_SERVER['HTTP_X_REAL_IP'])) { |
| 461 |
$remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP']; |
| 462 |
} |
| 463 |
|
| 464 |
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
| 465 |
$remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR']; |
| 466 |
} |
| 467 |
|
| 468 |
if (!empty($remote_ip)) { |
| 469 |
$address .= '(' . implode(',', $remote_ip) . ')'; |
| 470 |
} |
| 471 |
|
| 472 |
return $address; |
| 473 |
} |
| 474 |
|
| 475 |
public static function remote_addr() |
| 476 |
{ |
| 477 |
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) || !empty($_SERVER['HTTP_X_REAL_IP'])) { |
| 478 |
$proxy_whitelist = rcube::get_instance()->config->get('proxy_whitelist', array()); |
| 479 |
if (in_array($_SERVER['REMOTE_ADDR'], $proxy_whitelist)) { |
| 480 |
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
| 481 |
foreach (array_reverse(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])) as $forwarded_ip) { |
| 482 |
$forwarded_ip = trim($forwarded_ip); |
| 483 |
if (!in_array($forwarded_ip, $proxy_whitelist)) { |
| 484 |
return $forwarded_ip; |
| 485 |
} |
| 486 |
} |
| 487 |
} |
| 488 |
|
| 489 |
if (!empty($_SERVER['HTTP_X_REAL_IP'])) { |
| 490 |
return $_SERVER['HTTP_X_REAL_IP']; |
| 491 |
} |
| 492 |
} |
| 493 |
} |
| 494 |
|
| 495 |
if (!empty($_SERVER['REMOTE_ADDR'])) { |
| 496 |
return $_SERVER['REMOTE_ADDR']; |
| 497 |
} |
| 498 |
|
| 499 |
return ''; |
| 500 |
} |
| 501 |
|
| 502 |
public static function request_header($name) |
| 503 |
{ |
| 504 |
if (function_exists('apache_request_headers')) { |
| 505 |
$headers = apache_request_headers(); |
| 506 |
$key = strtoupper($name); |
| 507 |
} |
| 508 |
else { |
| 509 |
$headers = $_SERVER; |
| 510 |
$key = 'HTTP_' . strtoupper(strtr($name, '-', '_')); |
| 511 |
} |
| 512 |
|
| 513 |
if (!empty($headers)) { |
| 514 |
$headers = array_change_key_case($headers, CASE_UPPER); |
| 515 |
|
| 516 |
return $headers[$key]; |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
public static function explode_quoted_string($delimiter, $string) |
| 521 |
{ |
| 522 |
$result = array(); |
| 523 |
$strlen = strlen($string); |
| 524 |
|
| 525 |
for ($q=$p=$i=0; $i < $strlen; $i++) { |
| 526 |
if ($string[$i] == "\"" && $string[$i-1] != "\\") { |
| 527 |
$q = $q ? false : true; |
| 528 |
} |
| 529 |
else if (!$q && preg_match("/$delimiter/", $string[$i])) { |
| 530 |
$result[] = substr($string, $p, $i - $p); |
| 531 |
$p = $i + 1; |
| 532 |
} |
| 533 |
} |
| 534 |
|
| 535 |
$result[] = (string) substr($string, $p); |
| 536 |
|
| 537 |
return $result; |
| 538 |
} |
| 539 |
|
| 540 |
public static function strtotime($date, $timezone = null) |
| 541 |
{ |
| 542 |
$date = self::clean_datestr($date); |
| 543 |
$tzname = $timezone ? ' ' . $timezone->getName() : ''; |
| 544 |
|
| 545 |
if (is_numeric($date)) { |
| 546 |
return (int) $date; |
| 547 |
} |
| 548 |
|
| 549 |
if (strlen($date) > 128) { |
| 550 |
$date = substr($date, 0, 128); |
| 551 |
} |
| 552 |
|
| 553 |
while (($ts = @strtotime($date . $tzname)) === false || $ts < 0) { |
| 554 |
if (($pos = strrpos($date, ' ')) === false) { |
| 555 |
break; |
| 556 |
} |
| 557 |
|
| 558 |
$date = rtrim(substr($date, 0, $pos)); |
| 559 |
} |
| 560 |
|
| 561 |
return (int) $ts; |
| 562 |
} |
| 563 |
|
| 564 |
public static function anytodatetime($date, $timezone = null) |
| 565 |
{ |
| 566 |
if ($date instanceof DateTime) { |
| 567 |
return $date; |
| 568 |
} |
| 569 |
|
| 570 |
$dt = false; |
| 571 |
$date = self::clean_datestr($date); |
| 572 |
|
| 573 |
if (!empty($date)) { |
| 574 |
try { |
| 575 |
$_date = preg_match('/^[0-9]+$/', $date) ? "@$date" : $date; |
| 576 |
$dt = $timezone ? new DateTime($_date, $timezone) : new DateTime($_date); |
| 577 |
} |
| 578 |
catch (Exception $e) { |
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
if (!$dt && ($timestamp = self::strtotime($date, $timezone))) { |
| 583 |
try { |
| 584 |
$dt = new DateTime("@".$timestamp); |
| 585 |
if ($timezone) { |
| 586 |
$dt->setTimezone($timezone); |
| 587 |
} |
| 588 |
} |
| 589 |
catch (Exception $e) { |
| 590 |
} |
| 591 |
} |
| 592 |
|
| 593 |
return $dt; |
| 594 |
} |
| 595 |
|
| 596 |
public static function clean_datestr($date) |
| 597 |
{ |
| 598 |
$date = trim($date); |
| 599 |
|
| 600 |
if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) { |
| 601 |
return sprintf('%04d-%02d-%02d 00:00:00', intval($m[1]), intval($m[2]), intval($m[3])); |
| 602 |
} |
| 603 |
|
| 604 |
$date = preg_replace( |
| 605 |
array( |
| 606 |
'/\(.*\)/', // remove RFC comments |
| 607 |
'/GMT\s*([+-][0-9]+)/', // support non-standard "GMTXXXX" literal |
| 608 |
'/[^a-z0-9\x20\x09:\/\.+-]/i', // remove any invalid characters |
| 609 |
'/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i', // remove weekday names |
| 610 |
), |
| 611 |
array( |
| 612 |
'', |
| 613 |
'\\1', |
| 614 |
'', |
| 615 |
'', |
| 616 |
), $date); |
| 617 |
|
| 618 |
$date = trim($date); |
| 619 |
|
| 620 |
if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})(\s.*)?$/', $date, $m)) { |
| 621 |
$mdy = $m[2] > 12 && $m[1] <= 12; |
| 622 |
$day = $mdy ? $m[2] : $m[1]; |
| 623 |
$month = $mdy ? $m[1] : $m[2]; |
| 624 |
$date = sprintf('%04d-%02d-%02d%s', $m[3], $month, $day, $m[4] ?: ' 00:00:00'); |
| 625 |
} |
| 626 |
else if (preg_match('/^(\d{4})\.(\d{1,2})\.(\d{1,2})(\s.*)?$/', $date, $m)) { |
| 627 |
$date = sprintf('%04d-%02d-%02d%s', $m[1], $m[2], $m[3], $m[4] ?: ' 00:00:00'); |
| 628 |
} |
| 629 |
|
| 630 |
return $date; |
| 631 |
} |
| 632 |
|
| 633 |
public static function format_datestr($date, $format) |
| 634 |
{ |
| 635 |
$format_items = preg_split('/[.-\/\\\\]/', $format); |
| 636 |
$date_items = preg_split('/[.-\/\\\\]/', $date); |
| 637 |
$iso_format = '%04d-%02d-%02d'; |
| 638 |
|
| 639 |
if (count($format_items) == 3 && count($date_items) == 3) { |
| 640 |
if ($format_items[0] == 'Y') { |
| 641 |
$date = sprintf($iso_format, $date_items[0], $date_items[1], $date_items[2]); |
| 642 |
} |
| 643 |
else if (strpos('dj', $format_items[0]) !== false) { |
| 644 |
$date = sprintf($iso_format, $date_items[2], $date_items[1], $date_items[0]); |
| 645 |
} |
| 646 |
else if (strpos('mn', $format_items[0]) !== false) { |
| 647 |
$date = sprintf($iso_format, $date_items[2], $date_items[0], $date_items[1]); |
| 648 |
} |
| 649 |
} |
| 650 |
|
| 651 |
return $date; |
| 652 |
} |
| 653 |
|
| 654 |
public static function idn_to_ascii($str) |
| 655 |
{ |
| 656 |
return self::idn_convert($str, true); |
| 657 |
} |
| 658 |
|
| 659 |
public static function idn_to_utf8($str) |
| 660 |
{ |
| 661 |
return self::idn_convert($str, false); |
| 662 |
} |
| 663 |
|
| 664 |
public static function idn_convert($input, $is_utf = false) |
| 665 |
{ |
| 666 |
if ($at = strpos($input, '@')) { |
| 667 |
$user = substr($input, 0, $at); |
| 668 |
$domain = substr($input, $at + 1); |
| 669 |
} |
| 670 |
else { |
| 671 |
$user = ''; |
| 672 |
$domain = $input; |
| 673 |
} |
| 674 |
|
| 675 |
$variant = defined('INTL_IDNA_VARIANT_UTS46') ? INTL_IDNA_VARIANT_UTS46 : null; |
| 676 |
$options = 0; |
| 677 |
|
| 678 |
|
| 679 |
if ($is_utf) { |
| 680 |
if (preg_match('/[^\x20-\x7E]/', $domain)) { |
| 681 |
$options = defined('IDNA_NONTRANSITIONAL_TO_ASCII') ? IDNA_NONTRANSITIONAL_TO_ASCII : 0; |
| 682 |
$domain = idn_to_ascii($domain, $options, $variant); |
| 683 |
} |
| 684 |
} |
| 685 |
else if (preg_match('/(^|\.)xn--/i', $domain)) { |
| 686 |
$options = defined('IDNA_NONTRANSITIONAL_TO_UNICODE') ? IDNA_NONTRANSITIONAL_TO_UNICODE : 0; |
| 687 |
$domain = idn_to_utf8($domain, $options, $variant); |
| 688 |
} |
| 689 |
|
| 690 |
if ($domain === false) { |
| 691 |
return ''; |
| 692 |
} |
| 693 |
|
| 694 |
return $at ? $user . '@' . $domain : $domain; |
| 695 |
} |
| 696 |
|
| 697 |
public static function tokenize_string($str, $minlen = 2) |
| 698 |
{ |
| 699 |
$expr = array('/[\s;,"\'\/+-]+/ui', '/(\d)[-.\s]+(\d)/u'); |
| 700 |
$repl = array(' ', '\\1\\2'); |
| 701 |
|
| 702 |
if ($minlen > 1) { |
| 703 |
$minlen--; |
| 704 |
$expr[] = "/(^|\s+)\w{1,$minlen}(\s+|$)/u"; |
| 705 |
$repl[] = ' '; |
| 706 |
} |
| 707 |
|
| 708 |
return array_filter(explode(" ", preg_replace($expr, $repl, $str))); |
| 709 |
} |
| 710 |
|
| 711 |
public static function normalize_string($str, $as_array = false, $minlen = 2) |
| 712 |
{ |
| 713 |
$str = preg_replace('/(' |
| 714 |
. '\xF0[\x90-\xBF][\x80-\xBF]{2}' |
| 715 |
. '|[\xF1-\xF3][\x80-\xBF]{3}' |
| 716 |
. '|\xF4[\x80-\x8F][\x80-\xBF]{2}' |
| 717 |
. ')/', '?', $str); |
| 718 |
|
| 719 |
$arr = self::tokenize_string($str, $minlen); |
| 720 |
|
| 721 |
if (utf8_encode(utf8_decode($str)) == $str) { |
| 722 |
preg_match_all('/./u', 'äâàåáãæçéêëèïîìíñöôòøõóüûùúýÿ', $keys); |
| 723 |
preg_match_all('/./', 'aaaaaaaceeeeiiiinoooooouuuuyy', $values); |
| 724 |
|
| 725 |
$mapping = array_combine($keys[0], $values[0]); |
| 726 |
$mapping = array_merge($mapping, array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u')); |
| 727 |
} |
| 728 |
else if (rcube_charset::convert(rcube_charset::convert($str, 'UTF-8', 'ISO-8859-2'), 'ISO-8859-2', 'UTF-8') == $str) { |
| 729 |
preg_match_all('/./u', '� |
| 730 |
áâäćçčéęëěíîłľĺńňóôöŕřśšşťţůúűüźžżý', $keys); |
| 731 |
preg_match_all('/./', 'aaaaccceeeeiilllnnooorrsssttuuuuzzzy', $values); |
| 732 |
|
| 733 |
$mapping = array_combine($keys[0], $values[0]); |
| 734 |
$mapping = array_merge($mapping, array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u')); |
| 735 |
} |
| 736 |
|
| 737 |
foreach ($arr as $i => $part) { |
| 738 |
$part = mb_strtolower($part); |
| 739 |
|
| 740 |
if (!empty($mapping)) { |
| 741 |
$part = strtr($part, $mapping); |
| 742 |
} |
| 743 |
|
| 744 |
$arr[$i] = $part; |
| 745 |
} |
| 746 |
|
| 747 |
return $as_array ? $arr : implode(' ', $arr); |
| 748 |
} |
| 749 |
|
| 750 |
public static function words_match($haystack, $needle) |
| 751 |
{ |
| 752 |
$a_needle = self::tokenize_string($needle, 1); |
| 753 |
$_haystack = implode(' ', self::tokenize_string($haystack, 1)); |
| 754 |
$valid = strlen($_haystack) > 0; |
| 755 |
$hits = 0; |
| 756 |
|
| 757 |
foreach ($a_needle as $w) { |
| 758 |
if ($valid) { |
| 759 |
if (stripos($_haystack, $w) !== false) { |
| 760 |
$hits++; |
| 761 |
} |
| 762 |
} |
| 763 |
else if (stripos($haystack, $w) !== false) { |
| 764 |
$hits++; |
| 765 |
} |
| 766 |
} |
| 767 |
|
| 768 |
return $hits >= count($a_needle); |
| 769 |
} |
| 770 |
|
| 771 |
public static function get_opt($aliases = array()) |
| 772 |
{ |
| 773 |
$args = array(); |
| 774 |
$bool = array(); |
| 775 |
|
| 776 |
foreach ($aliases as $key => $alias) { |
| 777 |
if ($pos = strpos($alias, ':')) { |
| 778 |
$aliases[$key] = substr($alias, 0, $pos); |
| 779 |
$bool[] = $key; |
| 780 |
$bool[] = $aliases[$key]; |
| 781 |
} |
| 782 |
} |
| 783 |
|
| 784 |
for ($i=1; $i < count($_SERVER['argv']); $i++) { |
| 785 |
$arg = $_SERVER['argv'][$i]; |
| 786 |
$value = true; |
| 787 |
$key = null; |
| 788 |
|
| 789 |
if ($arg[0] == '-') { |
| 790 |
$key = preg_replace('/^-+/', '', $arg); |
| 791 |
$sp = strpos($arg, '='); |
| 792 |
|
| 793 |
if ($sp > 0) { |
| 794 |
$key = substr($key, 0, $sp - 2); |
| 795 |
$value = substr($arg, $sp+1); |
| 796 |
} |
| 797 |
else if (in_array($key, $bool)) { |
| 798 |
$value = true; |
| 799 |
} |
| 800 |
else if (strlen($_SERVER['argv'][$i+1]) && $_SERVER['argv'][$i+1][0] != '-') { |
| 801 |
$value = $_SERVER['argv'][++$i]; |
| 802 |
} |
| 803 |
|
| 804 |
$args[$key] = is_string($value) ? preg_replace(array('/^["\']/', '/["\']$/'), '', $value) : $value; |
| 805 |
} |
| 806 |
else { |
| 807 |
$args[] = $arg; |
| 808 |
} |
| 809 |
|
| 810 |
if ($alias = $aliases[$key]) { |
| 811 |
$args[$alias] = $args[$key]; |
| 812 |
} |
| 813 |
} |
| 814 |
|
| 815 |
return $args; |
| 816 |
} |
| 817 |
|
| 818 |
public static function prompt_silent($prompt = "Password:") |
| 819 |
{ |
| 820 |
if (preg_match('/^win/i', PHP_OS)) { |
| 821 |
$vbscript = sys_get_temp_dir() . 'prompt_password.vbs'; |
| 822 |
$vbcontent = 'wscript.echo(InputBox("' . addslashes($prompt) . '", "", "password here"))'; |
| 823 |
#file_put_contents($vbscript, $vbcontent); |
| 824 |
|
| 825 |
$command = "cscript //nologo " . escapeshellarg($vbscript); |
| 826 |
$password = rtrim(shell_exec($command)); |
| 827 |
unlink($vbscript); |
| 828 |
|
| 829 |
return $password; |
| 830 |
} |
| 831 |
|
| 832 |
$command = "/usr/bin/env bash -c 'echo OK'"; |
| 833 |
|
| 834 |
if (rtrim(shell_exec($command)) !== 'OK') { |
| 835 |
echo $prompt; |
| 836 |
$pass = trim(fgets(STDIN)); |
| 837 |
echo chr(8)."\r" . $prompt . str_repeat("*", strlen($pass))."\n"; |
| 838 |
|
| 839 |
return $pass; |
| 840 |
} |
| 841 |
|
| 842 |
$command = "/usr/bin/env bash -c 'read -s -p \"" . addslashes($prompt) . "\" mypassword && echo \$mypassword'"; |
| 843 |
$password = rtrim(shell_exec($command)); |
| 844 |
echo "\n"; |
| 845 |
|
| 846 |
return $password; |
| 847 |
} |
| 848 |
|
| 849 |
public static function get_boolean($str) |
| 850 |
{ |
| 851 |
$str = strtolower($str); |
| 852 |
|
| 853 |
return !in_array($str, array('false', '0', 'no', 'off', 'nein', ''), true); |
| 854 |
} |
| 855 |
|
| 856 |
public static function is_absolute_path($path) |
| 857 |
{ |
| 858 |
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { |
| 859 |
return (bool) preg_match('!^[a-z]:[\\\\/]!i', $path); |
| 860 |
} |
| 861 |
|
| 862 |
return $path[0] == '/'; |
| 863 |
} |
| 864 |
|
| 865 |
public static function resolve_url($url) |
| 866 |
{ |
| 867 |
if (!preg_match('|^https?://|', $url)) { |
| 868 |
$schema = 'http'; |
| 869 |
$default_port = 80; |
| 870 |
|
| 871 |
if (self::https_check()) { |
| 872 |
$schema = 'https'; |
| 873 |
$default_port = 443; |
| 874 |
} |
| 875 |
|
| 876 |
$prefix = $schema . '://' . preg_replace('/:\d+$/', '', $_SERVER['HTTP_HOST']); |
| 877 |
if ($_SERVER['SERVER_PORT'] != $default_port && $_SERVER['SERVER_PORT'] != 80) { |
| 878 |
$prefix .= ':' . $_SERVER['SERVER_PORT']; |
| 879 |
} |
| 880 |
|
| 881 |
$url = $prefix . ($url[0] == '/' ? '' : '/') . $url; |
| 882 |
} |
| 883 |
|
| 884 |
return $url; |
| 885 |
} |
| 886 |
|
| 887 |
public static function random_bytes($length, $raw = false) |
| 888 |
{ |
| 889 |
$hextab = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| 890 |
$tabsize = strlen($hextab); |
| 891 |
|
| 892 |
if ($raw && function_exists('random_bytes')) { |
| 893 |
return random_bytes($length); |
| 894 |
} |
| 895 |
|
| 896 |
if (!$raw && function_exists('random_int')) { |
| 897 |
$result = ''; |
| 898 |
while ($length-- > 0) { |
| 899 |
$result .= $hextab[random_int(0, $tabsize - 1)]; |
| 900 |
} |
| 901 |
|
| 902 |
return $result; |
| 903 |
} |
| 904 |
|
| 905 |
$random = openssl_random_pseudo_bytes($length); |
| 906 |
|
| 907 |
if ($random === false && $length > 0) { |
| 908 |
throw new Exception("Failed to get random bytes"); |
| 909 |
} |
| 910 |
|
| 911 |
if (!$raw) { |
| 912 |
for ($x = 0; $x < $length; $x++) { |
| 913 |
$random[$x] = $hextab[ord($random[$x]) % $tabsize]; |
| 914 |
} |
| 915 |
} |
| 916 |
|
| 917 |
return $random; |
| 918 |
} |
| 919 |
|
| 920 |
public static function bin2ascii($input) |
| 921 |
{ |
| 922 |
$hextab = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| 923 |
$result = ''; |
| 924 |
|
| 925 |
for ($x = 0; $x < strlen($input); $x++) { |
| 926 |
$result .= $hextab[ord($input[$x]) % 62]; |
| 927 |
} |
| 928 |
|
| 929 |
return $result; |
| 930 |
} |
| 931 |
|
| 932 |
public static function date_format($format = null) |
| 933 |
{ |
| 934 |
if (empty($format)) { |
| 935 |
$format = 'd-M-Y H:i:s O'; |
| 936 |
} |
| 937 |
|
| 938 |
if (strpos($format, 'u') !== false) { |
| 939 |
$dt = number_format(microtime(true), 6, '.', ''); |
| 940 |
$dt .= '.' . date_default_timezone_get(); |
| 941 |
|
| 942 |
if ($date = date_create_from_format('U.u.e', $dt)) { |
| 943 |
return $date->format($format); |
| 944 |
} |
| 945 |
} |
| 946 |
|
| 947 |
return date($format); |
| 948 |
} |
| 949 |
|
| 950 |
public static function parse_socket_options(&$options, $host = null) |
| 951 |
{ |
| 952 |
if (empty($host) || empty($options)) { |
| 953 |
return; |
| 954 |
} |
| 955 |
|
| 956 |
$host_url = parse_url($host); |
| 957 |
if (isset($host_url['host'])) { |
| 958 |
$host = $host_url['host']; |
| 959 |
} |
| 960 |
|
| 961 |
if ($host && array_key_exists($host, $options)) { |
| 962 |
$options = $options[$host]; |
| 963 |
} |
| 964 |
} |
| 965 |
|
| 966 |
public static function max_upload_size() |
| 967 |
{ |
| 968 |
$max_filesize = parse_bytes(ini_get('upload_max_filesize')); |
| 969 |
$max_postsize = parse_bytes(ini_get('post_max_size')); |
| 970 |
|
| 971 |
if ($max_postsize && $max_postsize < $max_filesize) { |
| 972 |
$max_filesize = $max_postsize; |
| 973 |
} |
| 974 |
|
| 975 |
return $max_filesize; |
| 976 |
} |
| 977 |
|
| 978 |
public static function preg_error($error = array(), $terminate = false) |
| 979 |
{ |
| 980 |
if (($preg_error = preg_last_error()) != PREG_NO_ERROR) { |
| 981 |
$errstr = "PCRE Error: $preg_error."; |
| 982 |
|
| 983 |
if ($preg_error == PREG_BACKTRACK_LIMIT_ERROR) { |
| 984 |
$errstr .= " Consider raising pcre.backtrack_limit!"; |
| 985 |
} |
| 986 |
if ($preg_error == PREG_RECURSION_LIMIT_ERROR) { |
| 987 |
$errstr .= " Consider raising pcre.recursion_limit!"; |
| 988 |
} |
| 989 |
|
| 990 |
$error = array_merge(array('code' => 620, 'line' => __LINE__, 'file' => __FILE__), $error); |
| 991 |
|
| 992 |
if (!empty($error['message'])) { |
| 993 |
$error['message'] .= ' ' . $errstr; |
| 994 |
} |
| 995 |
else { |
| 996 |
$error['message'] = $errstr; |
| 997 |
} |
| 998 |
|
| 999 |
rcube::raise_error($error, true, $terminate); |
| 1000 |
|
| 1001 |
return true; |
| 1002 |
} |
| 1003 |
|
| 1004 |
return false; |
| 1005 |
} |
| 1006 |
|
| 1007 |
public static function temp_filename($file_name, $unique = true, $create = true) |
| 1008 |
{ |
| 1009 |
$temp_dir = rcube::get_instance()->config->get('temp_dir'); |
| 1010 |
|
| 1011 |
if (!is_writable($temp_dir)) { |
| 1012 |
$temp_dir = sys_get_temp_dir(); |
| 1013 |
} |
| 1014 |
|
| 1015 |
$temp_file = $unique ? str_replace('.', '', uniqid($file_name, true)) : $file_name; |
| 1016 |
$temp_path = unslashify($temp_dir) . '/' . RCUBE_TEMP_FILE_PREFIX . $temp_file; |
| 1017 |
|
| 1018 |
if ($unique && file_exists($temp_path)) { |
| 1019 |
return self::temp_filename($file_name, $unique, $create); |
| 1020 |
} |
| 1021 |
|
| 1022 |
if ($create) { |
| 1023 |
touch($temp_path); |
| 1024 |
} |
| 1025 |
|
| 1026 |
return $temp_path; |
| 1027 |
} |
| 1028 |
} |
| 1029 |
|
