| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* $Id: FormValidation.inc,v 1.8 2003/02/19 00:37:45 hemna Exp $ |
| 5 |
* |
| 6 |
* This class handles the validation of form fields |
| 7 |
* This is used in conjunction with the FormProcessing |
| 8 |
* class, and the FormContent Class. In the FormContent |
| 9 |
* class, you create an array of fields that you want |
| 10 |
* checked in the validate() method. |
| 11 |
* |
| 12 |
* @author Walter A. Boring IV <waboring@buildabetterweb.com> |
| 13 |
* @package phpHtmlLib |
| 14 |
* @subpackage FormProcessing |
| 15 |
* |
| 16 |
* @copyright LGPL - See LICENCE |
| 17 |
*/ |
| 18 |
|
| 19 |
define("VALIDATE_MAXSIZE", 40); |
| 20 |
define("VALIDATE_EMAIL_LENGTH", 256); |
| 21 |
define("VALIDATE_MAX_HOSTNAME_LENGTH", 255); |
| 22 |
define("SXVALIDATE_MAX_HOSTNAME_ELEMENT_LENGTH", 63); |
| 23 |
define("VALID", TRUE); |
| 24 |
|
| 25 |
/** |
| 26 |
* This is the base validation class that |
| 27 |
* contains some basic FormElement validation |
| 28 |
* methods. |
| 29 |
* |
| 30 |
* @package phpHtmlLib |
| 31 |
* @subpackage FormProcessing |
| 32 |
*/ |
| 33 |
class FormValidation { |
| 34 |
|
| 35 |
/** |
| 36 |
* This holds the last error code found |
| 37 |
*/ |
| 38 |
var $_error_code = ''; |
| 39 |
|
| 40 |
/** |
| 41 |
* This holds the last error message |
| 42 |
*/ |
| 43 |
var $_error_message = ''; |
| 44 |
|
| 45 |
|
| 46 |
|
| 47 |
/** |
| 48 |
* This method checks to make sure an array doesn't have |
| 49 |
* an empty element. |
| 50 |
* |
| 51 |
*/ |
| 52 |
function array_hasempty($a) { |
| 53 |
if ( is_array($a) ) { |
| 54 |
foreach ( $a as $key => $value ) { |
| 55 |
if ( $value == '' ) { |
| 56 |
return TRUE; |
| 57 |
} |
| 58 |
} |
| 59 |
return FALSE; |
| 60 |
} else { |
| 61 |
return $a == ''; |
| 62 |
} |
| 63 |
} |
| 64 |
|
| 65 |
|
| 66 |
/** |
| 67 |
* A wrapper method to set the error message and |
| 68 |
* error code before returning FALSE |
| 69 |
* |
| 70 |
* @param string - error code |
| 71 |
* @return FALSE |
| 72 |
*/ |
| 73 |
function _error($code, $message=NULL) { |
| 74 |
$this->_error_code = $code; |
| 75 |
if ($message == NULL) { |
| 76 |
$err = new FormErrors; |
| 77 |
$this->_error_message = $err->get_error_msg($code); |
| 78 |
unset( $err ); |
| 79 |
} else { |
| 80 |
$this->_error_message = $message; |
| 81 |
} |
| 82 |
|
| 83 |
return FALSE; |
| 84 |
} |
| 85 |
|
| 86 |
|
| 87 |
/** |
| 88 |
* This method returns the error code from the |
| 89 |
* last validation error found. |
| 90 |
* |
| 91 |
* @return string |
| 92 |
*/ |
| 93 |
function get_error_code() { |
| 94 |
return $this->_error_code; |
| 95 |
} |
| 96 |
|
| 97 |
/** |
| 98 |
* This method returns the error |
| 99 |
* message from the last validation |
| 100 |
* error found. |
| 101 |
* |
| 102 |
* @return string |
| 103 |
*/ |
| 104 |
function get_error_message() { |
| 105 |
return $this->_error_message; |
| 106 |
} |
| 107 |
|
| 108 |
|
| 109 |
/** |
| 110 |
* This function makes sure the |
| 111 |
* data is not empty |
| 112 |
* |
| 113 |
* @param mixed |
| 114 |
* @return TRUE = not empty |
| 115 |
*/ |
| 116 |
function is_notempty($value) { |
| 117 |
if ( $this->array_hasempty($value) ) { |
| 118 |
return $this->_error("EMPTY_FIELD"); |
| 119 |
} |
| 120 |
return TRUE; |
| 121 |
} |
| 122 |
|
| 123 |
/** |
| 124 |
* This function checks if the given string contains |
| 125 |
* alphabetical characters or numbers. |
| 126 |
* It also checks for the allowed additional characters. |
| 127 |
* |
| 128 |
* @param string - the string to check |
| 129 |
* @param string - list of individual characters to allow |
| 130 |
* besides a-zA-Z |
| 131 |
* |
| 132 |
* @return boolean FALSE - if any other extraneous |
| 133 |
* characters are found |
| 134 |
* TRUE upon succes. |
| 135 |
*/ |
| 136 |
function is_alphanum($str, $from = "") { |
| 137 |
|
| 138 |
// If the given string is only white spaces, return false |
| 139 |
if ( ereg("^[[:space:]]*$", $str) ) { |
| 140 |
return FALSE; |
| 141 |
} |
| 142 |
|
| 143 |
$to = ""; |
| 144 |
$len = strlen($from); |
| 145 |
for ( $i = 0; $i < $len; ++$i ) { |
| 146 |
$to .= "a"; |
| 147 |
} |
| 148 |
$str = strtr($str, $from, $to); |
| 149 |
$substr = eregi_replace("[a-z0-9]+", "", $str); |
| 150 |
if ( !$this->array_hasempty($substr) ) { |
| 151 |
return FALSE; |
| 152 |
} |
| 153 |
return TRUE; |
| 154 |
} |
| 155 |
|
| 156 |
|
| 157 |
/** |
| 158 |
* This function checks if the given string contains |
| 159 |
* numerical digit characters. |
| 160 |
* It also checks for the allowed additional characters. |
| 161 |
* |
| 162 |
* @param string - the string to check |
| 163 |
* @param string - list of individual characters to allow |
| 164 |
* besides a-zA-Z |
| 165 |
* |
| 166 |
* @return boolean FALSE - if any other extraneous |
| 167 |
* characters are found |
| 168 |
* TRUE upon succes. |
| 169 |
*/ |
| 170 |
function is_num($str, $from = "") { |
| 171 |
|
| 172 |
// If the given string is only white spaces, return false |
| 173 |
if ( ereg("^[[:space:]]*$", $str) ) { |
| 174 |
return FALSE; |
| 175 |
} |
| 176 |
|
| 177 |
$to = ""; |
| 178 |
$len = strlen($from); |
| 179 |
for ( $i = 0; $i < $len; ++$i ) { |
| 180 |
$to .= "0"; |
| 181 |
} |
| 182 |
$str = strtr($str, $from, $to); |
| 183 |
$substr = eregi_replace("[0-9]+", "", $str); |
| 184 |
if ( !$this->array_hasempty($substr) ) { |
| 185 |
return FALSE; |
| 186 |
} |
| 187 |
return TRUE; |
| 188 |
} |
| 189 |
|
| 190 |
|
| 191 |
/** |
| 192 |
* is_range |
| 193 |
* |
| 194 |
* This is the range check that the can be used in checks_array. |
| 195 |
* Valarray should be: |
| 196 |
* array('val' => $val, |
| 197 |
* 'size' => $size OPTIONAL |
| 198 |
* 'min' => $min, |
| 199 |
* 'max' => $max, |
| 200 |
* ) |
| 201 |
*/ |
| 202 |
function is_range($value, $size, $min, $max) { |
| 203 |
return $this->is_within_range($value, $size, |
| 204 |
$min, $max); |
| 205 |
} |
| 206 |
|
| 207 |
/** |
| 208 |
* This method makes sure a value lies within |
| 209 |
* a given range of values. |
| 210 |
* The error message can be customized by passing in |
| 211 |
* a customer error code |
| 212 |
* |
| 213 |
* @param mixed - the value u want to check |
| 214 |
* @param int - the size |
| 215 |
* @param mixed - the lower bound value |
| 216 |
* @param mixed - the upper bound value |
| 217 |
* @param string - the error code if any |
| 218 |
* @return TRUE = succes FALSE = failed |
| 219 |
* |
| 220 |
*/ |
| 221 |
function is_within_range($value, $size, $start, $end, $error=FALSE) { |
| 222 |
if ( ($value == '') || !$this->is_num($value) ) { |
| 223 |
if ( $error ) return $this->_error(NULL, $error); |
| 224 |
else return $this->_error("INVALID_NUMBER"); |
| 225 |
} |
| 226 |
|
| 227 |
if ( $size ) { |
| 228 |
if ( strlen($value) != $size ) { |
| 229 |
if ( $error ) return $this->_error(NULL, $error); |
| 230 |
else return $this->_error(NULL,"Number too large (".$size." digits max)"); |
| 231 |
} |
| 232 |
} |
| 233 |
|
| 234 |
if ( (($start != NULL) && ($value < $start)) || |
| 235 |
(($end != NULL) && ($value > $end)) ) { |
| 236 |
if ( $error ) return $this->_error(NULL, $error); |
| 237 |
else return $this->_error(NULL, "Value out of range (".$start."-".$end.")"); |
| 238 |
} |
| 239 |
return TRUE; |
| 240 |
} |
| 241 |
|
| 242 |
/** |
| 243 |
* This method validates a string as containing |
| 244 |
* only letters and numbers |
| 245 |
* |
| 246 |
* @param string - the value to validate |
| 247 |
* @return TRUE = succes FALSE = failed |
| 248 |
*/ |
| 249 |
function is_alphanumstring( $str ) { |
| 250 |
if ( !$this->is_alphanum($str) ) { |
| 251 |
return $this->_error("INVALID_ALPHANUM_CHARACTERS"); |
| 252 |
} |
| 253 |
return TRUE; |
| 254 |
} |
| 255 |
|
| 256 |
|
| 257 |
/** |
| 258 |
* this method tests to see if this is a valid |
| 259 |
* hostname value minus the domain name portion. |
| 260 |
* |
| 261 |
* @param string - the value to validate |
| 262 |
* @return TRUE = succes FALSE = failed |
| 263 |
*/ |
| 264 |
function is_standalone_hostname ($name) { |
| 265 |
|
| 266 |
// letters, digits and "-" only |
| 267 |
if ( !$this->is_alphanum($name, "-") ) { |
| 268 |
return $this->_error("INVALID_STANDALONE_HOST_NAME"); |
| 269 |
} |
| 270 |
|
| 271 |
$len = strlen($name); |
| 272 |
if ( $len > VALIDATE_MAX_HOSTNAME_ELEMENT_LENGTH ) { |
| 273 |
return $this->_error("INVALID_LENGTH"); |
| 274 |
} |
| 275 |
|
| 276 |
// Error if it doesn't start with an alphabet or digit |
| 277 |
if ( !eregi("^[a-z0-9]", $name) ) { |
| 278 |
return $this->_error("INVALID_HOST_NAME"); |
| 279 |
} |
| 280 |
|
| 281 |
// Error if it contains no alphabets |
| 282 |
if ( !eregi("[a-z]", $name) ) { |
| 283 |
return $this->_error("INVALID_HOST_NAME"); |
| 284 |
} |
| 285 |
|
| 286 |
return TRUE; |
| 287 |
} |
| 288 |
|
| 289 |
/** |
| 290 |
* This method validates a string for a valid |
| 291 |
* hostname for a machine. |
| 292 |
* |
| 293 |
* @param string - the value to validate |
| 294 |
* @return TRUE = succes FALSE = failed |
| 295 |
*/ |
| 296 |
function is_domainname ($name) { |
| 297 |
|
| 298 |
// letters, digits and ".-" only |
| 299 |
if ( !$this->is_alphanum($name, ".-") ) { |
| 300 |
return $this->_error("INVALID_HOST_NAME"); |
| 301 |
} |
| 302 |
|
| 303 |
$len = strlen($name); |
| 304 |
if ( $len > VALIDATE_MAX_HOSTNAME_LENGTH ) { |
| 305 |
return $this->_error("INVALID_LENGTH"); |
| 306 |
} |
| 307 |
|
| 308 |
// Error if it doesn't start with an alphabet or digit |
| 309 |
if ( !eregi("^[a-z0-9]", $name) ) { |
| 310 |
return $this->_error("INVALID_HOST_NAME"); |
| 311 |
} |
| 312 |
|
| 313 |
// Error if it contains no alphabets |
| 314 |
if ( !eregi("[a-z]", $name) ) { |
| 315 |
return $this->_error("INVALID_HOST_NAME"); |
| 316 |
} |
| 317 |
|
| 318 |
// Cannot contain two or more consecutive dots. |
| 319 |
if ( ereg("\.\.+", $name) ) { |
| 320 |
return $this->_error("INVALID_HOST_NAME"); |
| 321 |
} |
| 322 |
return TRUE; |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* This method validates a string for a valid |
| 327 |
* partial hostname for a machine. |
| 328 |
* |
| 329 |
* @param string - the value to validate |
| 330 |
* @return TRUE = succes FALSE = failed |
| 331 |
*/ |
| 332 |
function is_partial_domainname($name) { |
| 333 |
|
| 334 |
// letters, digits and ".-" only |
| 335 |
if ( !$this->is_alphanum($name, ".-") ) { |
| 336 |
return $this->_error("INVALID_HOST_NAME"); |
| 337 |
} |
| 338 |
|
| 339 |
$len = strlen($name); |
| 340 |
if ( $len > VALIDATE_MAX_HOSTNAME_LENGTH ) { |
| 341 |
return $this->_error("INVALID_LENGTH"); |
| 342 |
} |
| 343 |
|
| 344 |
// Error if it contains no alphabets |
| 345 |
if ( !eregi("[a-z]", $name) ) { |
| 346 |
return $this->_error("INVALID_HOST_NAME"); |
| 347 |
} |
| 348 |
return TRUE; |
| 349 |
} |
| 350 |
|
| 351 |
|
| 352 |
/** |
| 353 |
* This is just a wrapper for is_domainname |
| 354 |
* |
| 355 |
* @param string - the value to validate |
| 356 |
* @return TRUE = succes FALSE = failed |
| 357 |
*/ |
| 358 |
function is_hostname ($name) { |
| 359 |
return $this->is_domainname($name); |
| 360 |
} |
| 361 |
|
| 362 |
|
| 363 |
/** |
| 364 |
* This validates a string as an IP address |
| 365 |
* This should work with either IPv4 or IPv6 |
| 366 |
* |
| 367 |
* @param string - the value to validate |
| 368 |
* @return TRUE = succes FALSE = failed |
| 369 |
*/ |
| 370 |
function is_ip ($ip) { |
| 371 |
|
| 372 |
if ( !$this->is_num($ip, ".") ) { |
| 373 |
return $this->_error("INVALID_IP"); |
| 374 |
} |
| 375 |
|
| 376 |
if ( $ip == "0.0.0.0" ) { |
| 377 |
return $this->_error("INVALID_IP"); |
| 378 |
} |
| 379 |
|
| 380 |
$regs = split("\.", $ip); |
| 381 |
$num = sizeof($regs); |
| 382 |
|
| 383 |
// Allow IPv4 and IPv6 |
| 384 |
if ( $num != 4 && $num != 8 ) { |
| 385 |
return $this->_error("INVALID_IP"); |
| 386 |
} |
| 387 |
|
| 388 |
for ( $i = 0; $i < $num; ++$i ) { |
| 389 |
if ( (!$this->is_num($regs[$i])) || ($regs[$i] >= 256) || |
| 390 |
($regs[$i] == "") ) { |
| 391 |
return $this->_error("INVALID_IP"); |
| 392 |
} |
| 393 |
} |
| 394 |
return TRUE; |
| 395 |
} |
| 396 |
|
| 397 |
/** |
| 398 |
* This validates a string as a portion |
| 399 |
* of an IP address. |
| 400 |
* This should work with either IPv4 or IPv6 |
| 401 |
* |
| 402 |
* @param string - the value to validate |
| 403 |
* @return TRUE = succes FALSE = failed |
| 404 |
*/ |
| 405 |
function is_partial_ip($ip) { |
| 406 |
if ( !$this->is_num($ip, ".") ) { |
| 407 |
return $this->_error("INVALID_IP"); |
| 408 |
} |
| 409 |
|
| 410 |
$regs = split("\.", $ip); |
| 411 |
$num = sizeof($regs); |
| 412 |
|
| 413 |
// Allow IPv4 and IPv6 |
| 414 |
if ( $num > 8 ) { |
| 415 |
return $this->_error("INVALID_IP"); |
| 416 |
} |
| 417 |
|
| 418 |
for ( $i = 0; $i < $num; ++$i ) { |
| 419 |
if ( (!$this->is_num($regs[$i] + 0)) || ($regs[$i] >= 256) ) { |
| 420 |
return $this->_error("INVALID_IP"); |
| 421 |
} |
| 422 |
} |
| 423 |
return TRUE; |
| 424 |
} |
| 425 |
|
| 426 |
|
| 427 |
/** |
| 428 |
* This method tries to validate a string |
| 429 |
* as a valid IP address or a hostname |
| 430 |
* |
| 431 |
* @param string - the value to validate |
| 432 |
* @return TRUE = succes FALSE = failed |
| 433 |
*/ |
| 434 |
function is_hostip($hostip) { |
| 435 |
|
| 436 |
// If it looks like a number, check if it is a valid ip, else |
| 437 |
// check if it is a valid name. |
| 438 |
if ( $this->is_num($hostip, ".") ) { |
| 439 |
return $this->is_ip($hostip); |
| 440 |
} else { |
| 441 |
return $this->is_hostname($hostip); |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
/** |
| 446 |
* This tests a string to make sure it is a |
| 447 |
* valid number. |
| 448 |
* |
| 449 |
* @param string - the value to validate |
| 450 |
* @return TRUE = succes FALSE = failed |
| 451 |
*/ |
| 452 |
function is_number($value) { |
| 453 |
if ( !$this->is_num($value) ) { |
| 454 |
return $this->_error("INVALID_NUMBER"); |
| 455 |
} |
| 456 |
return TRUE; |
| 457 |
} |
| 458 |
|
| 459 |
|
| 460 |
/** |
| 461 |
* This method tests a string to make sure it is |
| 462 |
* in a valid money format. |
| 463 |
* either $x or $x.cents |
| 464 |
* |
| 465 |
* @param string - the value to validate |
| 466 |
* @return TRUE = succes FALSE = failed |
| 467 |
*/ |
| 468 |
function is_money($money) { |
| 469 |
|
| 470 |
if ( !$this->is_num($money, ".") ) { |
| 471 |
return $this->_error("INVALID_MONEY"); |
| 472 |
} |
| 473 |
|
| 474 |
// Check for dollar.cent pattern |
| 475 |
if ( ereg("^[0-9]*\.[0-9][0-9]?$", $money) ) { |
| 476 |
return TRUE; |
| 477 |
} |
| 478 |
|
| 479 |
// Or It can be just dollars |
| 480 |
if ( ereg("^[0-9]+$", $money) ) { |
| 481 |
return TRUE; |
| 482 |
} |
| 483 |
|
| 484 |
return $this->_error("INVALID_MONEY"); |
| 485 |
} |
| 486 |
|
| 487 |
/** |
| 488 |
* This method tries to validate a string as |
| 489 |
* a valid price. It can't be zero (a la free!) |
| 490 |
* |
| 491 |
* @param string - the value to validate |
| 492 |
* @return TRUE = succes FALSE = failed |
| 493 |
*/ |
| 494 |
function is_price($price) { |
| 495 |
$ret = $this->is_money($price); |
| 496 |
if ( $ret != TRUE ) { |
| 497 |
return $ret; |
| 498 |
} |
| 499 |
|
| 500 |
// Should be more than just 0s and .s |
| 501 |
if ( ereg("^0*\.*0*$", $price) ) { |
| 502 |
return $this->_error("INVALID_PRICE"); |
| 503 |
} |
| 504 |
|
| 505 |
return TRUE; |
| 506 |
} |
| 507 |
|
| 508 |
|
| 509 |
/** |
| 510 |
* This method validates a string as a valid |
| 511 |
* float formatted number. x.xx |
| 512 |
* |
| 513 |
* @param string - the value to validate |
| 514 |
* @return TRUE = succes FALSE = failed |
| 515 |
*/ |
| 516 |
function is_float($number) { |
| 517 |
|
| 518 |
if ( !$this->is_num($number, ".") ) { |
| 519 |
return $this->_error("INVALID_FLOAT"); |
| 520 |
} |
| 521 |
|
| 522 |
// Number of the form x.y |
| 523 |
if ( ereg("^[0-9]*\.[0-9]+$", $number) ) { |
| 524 |
return TRUE; |
| 525 |
} |
| 526 |
|
| 527 |
// Number of the form x |
| 528 |
if ( ereg("^[0-9]+$", $number) ) { |
| 529 |
return TRUE; |
| 530 |
} |
| 531 |
|
| 532 |
return $this->_error("INVALID_FLOAT"); |
| 533 |
} |
| 534 |
|
| 535 |
|
| 536 |
/** |
| 537 |
* This validates a string as a valid number |
| 538 |
* between 0 and 100 |
| 539 |
* |
| 540 |
* @param string - the value to validate |
| 541 |
* @return TRUE = succes FALSE = failed |
| 542 |
*/ |
| 543 |
function is_zero_onehundred($value) { |
| 544 |
|
| 545 |
if ( !$this->is_num($value) ) { |
| 546 |
return $this->_error("INVALID_NUMBER"); |
| 547 |
} |
| 548 |
|
| 549 |
if ( !($value > 0 && $value <= 100) ) { |
| 550 |
return $this->_error("INVALID_ZERO_HUNDRED_NUMBER"); |
| 551 |
} |
| 552 |
|
| 553 |
return TRUE; |
| 554 |
} |
| 555 |
|
| 556 |
|
| 557 |
/** |
| 558 |
* This method validates a string as a number |
| 559 |
* greater then 0. |
| 560 |
* |
| 561 |
* @param string - the value to validate |
| 562 |
* @return TRUE = succes FALSE = failed |
| 563 |
*/ |
| 564 |
function is_higherzeronumber($value) { |
| 565 |
if ( !$this->is_num($value) ) { |
| 566 |
return $this->_error("INVALID_NUMBER"); |
| 567 |
} |
| 568 |
if ( $value > 0 ) { |
| 569 |
return TRUE; |
| 570 |
} |
| 571 |
return $this->_error("INVALID_NUMBER"); |
| 572 |
} |
| 573 |
|
| 574 |
/** |
| 575 |
* This method validates a string as a |
| 576 |
* path to a file. |
| 577 |
* |
| 578 |
* @param string - the value to validate |
| 579 |
* @return TRUE = succes FALSE = failed |
| 580 |
*/ |
| 581 |
function is_path ($path) { |
| 582 |
//DOS related checks are also needed |
| 583 |
if ( !$this->is_alphanum($path, "-_/:.,") ) { |
| 584 |
return $this->_error("INVALID_PATH_CHARACTERS"); |
| 585 |
} |
| 586 |
return TRUE; |
| 587 |
} |
| 588 |
|
| 589 |
|
| 590 |
/** |
| 591 |
* This method validates a string as a valid |
| 592 |
* url path to a file |
| 593 |
* |
| 594 |
* @param string - the value to validate |
| 595 |
* @return TRUE = succes FALSE = failed |
| 596 |
*/ |
| 597 |
function is_urlpath ($path) { |
| 598 |
// DOS related checks are also needed |
| 599 |
if ( !$this->is_alphanum($path, "-_/:.,%?&=") ) { |
| 600 |
return $this->_error("INVALID_PATH_CHARACTERS"); |
| 601 |
} |
| 602 |
return TRUE; |
| 603 |
} |
| 604 |
|
| 605 |
|
| 606 |
/** |
| 607 |
* This validates a string as a valid proper name. |
| 608 |
* The string can't be longer then VALIDATE_MAXSIZE in |
| 609 |
* length, and it can only contain letters and numbers |
| 610 |
* |
| 611 |
* @param string - the value to validate |
| 612 |
* @return TRUE = succes FALSE = failed |
| 613 |
*/ |
| 614 |
function is_name ($name) { |
| 615 |
//letters & numbers only |
| 616 |
if ( !$this->is_alphanum($name, ".- '") ) { |
| 617 |
return $this->_error("INVALID_NAME_CHARACTERS"); |
| 618 |
} |
| 619 |
// VALIDATE_MAXSIZE |
| 620 |
$len = strlen($name); |
| 621 |
if ( $len > VALIDATE_MAXSIZE ) { |
| 622 |
return $this->_error("INVALID_LENGTH_40"); |
| 623 |
} |
| 624 |
return TRUE; |
| 625 |
} |
| 626 |
|
| 627 |
|
| 628 |
/** |
| 629 |
* This validates a string as a valid Company name. |
| 630 |
* It is the same as is_name, with the exception |
| 631 |
* of allowing . |
| 632 |
* |
| 633 |
* @param string - the value to validate |
| 634 |
* @return TRUE = succes FALSE = failed |
| 635 |
*/ |
| 636 |
function is_companyname($name) { |
| 637 |
$name = eregi_replace("[\. @\&,_]+","",$name); |
| 638 |
return $this->is_name($name); |
| 639 |
} |
| 640 |
|
| 641 |
|
| 642 |
/** |
| 643 |
* This method tests to see if a string value |
| 644 |
* is a valid 'account' name. The string can't |
| 645 |
* be larger then VALIDATE_MAXSIZE, and can only |
| 646 |
* contain alphanum characters |
| 647 |
* |
| 648 |
* @param string - the value to validate |
| 649 |
* @return TRUE = succes FALSE = failed |
| 650 |
*/ |
| 651 |
function is_username ($username) { |
| 652 |
|
| 653 |
if ( !$this->is_alphanum($username, "_") ) { |
| 654 |
return $this->_error("INVALID_LOGIN_NAME_CHARACTERS"); |
| 655 |
} |
| 656 |
|
| 657 |
// VALIDATE_MAXSIZE |
| 658 |
$len = strlen($username); |
| 659 |
if ( $len > VALIDATE_MAXSIZE ) { |
| 660 |
return $this->_error("INVALID_LOGIN_NAME_LENGTH"); |
| 661 |
} |
| 662 |
return TRUE; |
| 663 |
} |
| 664 |
|
| 665 |
|
| 666 |
/** |
| 667 |
* This tries to validate a string as a password |
| 668 |
* It can't be empty and has to be less then |
| 669 |
* VALIDATE_MAXSIZE characters in length |
| 670 |
* |
| 671 |
* NOTE: password is case sensitive, and spaces are |
| 672 |
* ignored. |
| 673 |
* |
| 674 |
* @param string - the value to validate |
| 675 |
* @return TRUE = succes FALSE = failed |
| 676 |
*/ |
| 677 |
function is_password ($password) { |
| 678 |
$len = strlen($password); |
| 679 |
if ( $len > VALIDATE_MAXSIZE ) { |
| 680 |
return $this->_error("INVALID_PASSWORD_LENGTH"); |
| 681 |
} |
| 682 |
if ( !$this->is_alphanum($password) ) { |
| 683 |
return $this->_error("INVALID_PASSWORD_CHARACTERS"); |
| 684 |
} |
| 685 |
return TRUE; |
| 686 |
} |
| 687 |
|
| 688 |
|
| 689 |
/** |
| 690 |
* This makes sure that 2 password strings are exactly alike. |
| 691 |
* |
| 692 |
* @param string - the value to validate |
| 693 |
* @return TRUE = succes FALSE = failed |
| 694 |
*/ |
| 695 |
function is_confirm_password ($confirmpassword, $password) { |
| 696 |
//confirm pswd value must match pswd value |
| 697 |
if ( strcmp($password, $confirmpassword) != 0 ) { |
| 698 |
return $this->_error("PASSWORD_CONFIRM_NO_MATCH"); |
| 699 |
} |
| 700 |
return TRUE; |
| 701 |
} |
| 702 |
|
| 703 |
|
| 704 |
/** |
| 705 |
* This method tests a string as a valid |
| 706 |
* hostname value or a valid email string |
| 707 |
* |
| 708 |
* @param string - the value to validate |
| 709 |
* @return TRUE = succes FALSE = failed |
| 710 |
*/ |
| 711 |
function is_hostemail($name) { |
| 712 |
if ( strchr($name, "@") ) { |
| 713 |
return $this->is_email($name); |
| 714 |
} else { |
| 715 |
return $this->is_hostname($name); |
| 716 |
} |
| 717 |
} |
| 718 |
|
| 719 |
|
| 720 |
/** |
| 721 |
* This function validates a single email address. |
| 722 |
* It supports email addresses in the format of |
| 723 |
* jane@blah.com or "Jane Doe <jane@blah.com>" |
| 724 |
* |
| 725 |
* @param string - the value to validate |
| 726 |
* @return TRUE = succes FALSE = failed |
| 727 |
*/ |
| 728 |
function is_email ($email) { |
| 729 |
|
| 730 |
//no quotes allowed |
| 731 |
if ( strstr($email, '"') || strstr($email, "'") ) { |
| 732 |
return $this->_error("INVALID_EMAIL"); |
| 733 |
} |
| 734 |
|
| 735 |
//lets see if the email is in the form of |
| 736 |
//"Foo Bar <foo@bar.com>" |
| 737 |
$name = explode(" ", $email); |
| 738 |
if ( count($name) > 1 ) { |
| 739 |
//it looks like they gave us an email |
| 740 |
//with a leading name such as Foo Bar <foo@bar.com> |
| 741 |
//find the email address inside <> |
| 742 |
$found_email = FALSE; |
| 743 |
foreach( $name as $key => $val ) { |
| 744 |
if ( strstr($val, "@") ) { |
| 745 |
$found_email = TRUE; |
| 746 |
if ( (substr($val, 0, 1) == "<") && (substr($val, strlen($val)-1, 1) == ">") ) { |
| 747 |
$email = substr($val, 1, strlen($val)-2 ); |
| 748 |
} else { |
| 749 |
//invalid email address |
| 750 |
//it must have a < |
| 751 |
return $this->_error("INVALID_EMAIL_MISSING_BRACKETS"); |
| 752 |
} |
| 753 |
} |
| 754 |
} |
| 755 |
if ( !$found_email ) { |
| 756 |
//we couldn't find an email address |
| 757 |
//in the text. |
| 758 |
return $this->_error("INVALID_EMAIL"); |
| 759 |
} |
| 760 |
} |
| 761 |
|
| 762 |
if ( !$this->is_alphanum($email, "@.-_/:") ) { |
| 763 |
return $this->_error("INVALID_EMAIL"); |
| 764 |
} |
| 765 |
|
| 766 |
// "@.", ".@.", "_@.", .com, .net, .edu, .blah |
| 767 |
if ( !ereg("^( )*([a-zA-Z0-9_/:]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}$", $email, $arr) ) { |
| 768 |
return $this->_error("INVALID_EMAIL"); |
| 769 |
} |
| 770 |
|
| 771 |
$len = strlen($email); |
| 772 |
if ( $len > VALIDATE_EMAIL_LENGTH ) { |
| 773 |
return $this->_error("INVALID_LENGTH_256"); |
| 774 |
} |
| 775 |
|
| 776 |
// email cannot end with a dot |
| 777 |
if ( ereg("\.$", $email) ) { |
| 778 |
return $this->_error("INVALID_EMAIL"); |
| 779 |
} |
| 780 |
|
| 781 |
// no space |
| 782 |
if ( ereg(" ", $email, $arr) ) { |
| 783 |
return $this->_error("INVALID_EMAIL"); |
| 784 |
} |
| 785 |
return TRUE; |
| 786 |
} |
| 787 |
|
| 788 |
/** |
| 789 |
* This function tests a string that may |
| 790 |
* contain many email addresses seperated by |
| 791 |
* commas |
| 792 |
* |
| 793 |
* @param string - the value to validate |
| 794 |
* @return TRUE = succes FALSE = failed |
| 795 |
*/ |
| 796 |
function is_manyemails( $emails ) { |
| 797 |
//first lets get the list of emails |
| 798 |
|
| 799 |
$email_arr = explode(",", $emails); |
| 800 |
foreach( $email_arr as $key => $email) { |
| 801 |
$res = $this->is_email($email); |
| 802 |
if ( $res !== TRUE ) { |
| 803 |
return $res; |
| 804 |
} |
| 805 |
} |
| 806 |
return TRUE; |
| 807 |
} |
| 808 |
|
| 809 |
|
| 810 |
/** |
| 811 |
* This method validates a string as a |
| 812 |
* leap year. |
| 813 |
* |
| 814 |
* @param string - the value to validate |
| 815 |
* @return TRUE = succes FALSE = failed |
| 816 |
*/ |
| 817 |
function is_leapyear($yyyy) { |
| 818 |
if (!($yyyy%4 == 0 && ($yyyy%100 != 0 || $yyyy%400 == 0))) { |
| 819 |
return $this->_error("NOT_LEAPYEAR"); |
| 820 |
} |
| 821 |
return TRUE; |
| 822 |
} |
| 823 |
|
| 824 |
|
| 825 |
/** |
| 826 |
* This validates a atring as a valid date format |
| 827 |
* You can provide a seperator string that seperates |
| 828 |
* the fields |
| 829 |
* |
| 830 |
* NOTE: date is in YYYY-MO-DY format |
| 831 |
* |
| 832 |
* @param string - the value to validate |
| 833 |
* @return TRUE = succes FALSE = failed |
| 834 |
*/ |
| 835 |
function is_date($value, $split_by="-") { |
| 836 |
|
| 837 |
$x = explode($split_by, $value); |
| 838 |
$year = $x[0]; |
| 839 |
$month = $x[1]; |
| 840 |
$day = $x[2]; |
| 841 |
|
| 842 |
$retval = $this->is_datemonth($month); |
| 843 |
if ( $retval != VALID ) { |
| 844 |
return $retval; |
| 845 |
} |
| 846 |
|
| 847 |
$retval = $this->is_dateday($day); |
| 848 |
if ( $retval != VALID ) { |
| 849 |
return $retval; |
| 850 |
} |
| 851 |
|
| 852 |
$retval = $this->is_dateyear($year); |
| 853 |
if ( $retval != VALID ) { |
| 854 |
return $retval; |
| 855 |
} |
| 856 |
|
| 857 |
// Check the overall validity of the date |
| 858 |
if ( !checkdate($month, $day, $year) ) { |
| 859 |
return $this->_error("INVALID_FIELD"); |
| 860 |
} |
| 861 |
|
| 862 |
return TRUE; |
| 863 |
|
| 864 |
} |
| 865 |
|
| 866 |
|
| 867 |
/** |
| 868 |
* This validates a string as a valid day of a month |
| 869 |
* It has to be greater then 0 and less then 31 |
| 870 |
* |
| 871 |
* @param string - the value to validate |
| 872 |
* @return TRUE = succes FALSE = failed |
| 873 |
*/ |
| 874 |
function is_dateday($day) { |
| 875 |
return $this->is_within_range($day, 0, 1, 31, "INVALID_DAY"); |
| 876 |
} |
| 877 |
|
| 878 |
|
| 879 |
/** |
| 880 |
* This validates a string as a valid month of the year |
| 881 |
* between 1 and 12 inclusive |
| 882 |
* is_datemonth - checks whether its a proper month |
| 883 |
* |
| 884 |
* @param string - the value to validate |
| 885 |
* @return TRUE = succes FALSE = failed |
| 886 |
*/ |
| 887 |
function is_datemonth($month) { |
| 888 |
return $this->is_within_range($month, 0, 1, 12, "INVALID_MONTH"); |
| 889 |
} |
| 890 |
|
| 891 |
|
| 892 |
/** |
| 893 |
* See if the year is within |
| 894 |
* 1800 and 3000 |
| 895 |
* |
| 896 |
* @param string - the value to validate |
| 897 |
* @return TRUE = succes FALSE = failed |
| 898 |
*/ |
| 899 |
function is_dateyear($year) { |
| 900 |
return $this->is_within_range($year, 0, 1800, 3000, "INVALID_YEAR"); |
| 901 |
} |
| 902 |
|
| 903 |
|
| 904 |
/** |
| 905 |
* This validates an array of values as a |
| 906 |
* valid date time |
| 907 |
* |
| 908 |
* NOTE: array must contain |
| 909 |
* array( |
| 910 |
* "month" => VALUE, |
| 911 |
* "day" => VALUE, |
| 912 |
* "year" => VALUE, |
| 913 |
* "hour" => VALUE, |
| 914 |
* "minutes" => VALUE, |
| 915 |
* "seconds" => VALUE); |
| 916 |
* |
| 917 |
* @param string - the value to validate |
| 918 |
* @return TRUE = succes FALSE = failed |
| 919 |
*/ |
| 920 |
function is_datetime($value) { |
| 921 |
$month=$value["month"]; |
| 922 |
$day=$value["day"]; |
| 923 |
$year=$value["year"]; |
| 924 |
|
| 925 |
$time[hour]=$value["hour"]; |
| 926 |
$time[minutes]=$value["minutes"]; |
| 927 |
$time[seconds]=$value["seconds"]; |
| 928 |
|
| 929 |
$date = $year."-".$month."-".$day; |
| 930 |
$retval = $this->is_date($date); |
| 931 |
if ( $retval != VALID ) { |
| 932 |
return $retval; |
| 933 |
} |
| 934 |
|
| 935 |
$retval = $this->is_time($time); |
| 936 |
return $retval; |
| 937 |
} |
| 938 |
|
| 939 |
/** |
| 940 |
* This validates an array of fields as a |
| 941 |
* valid time of the day |
| 942 |
* |
| 943 |
* NOTE: array must contain |
| 944 |
* array( |
| 945 |
* "hour" => VALUE, |
| 946 |
* "minutes" => VALUE, |
| 947 |
* "seconds" => VALUE); |
| 948 |
* |
| 949 |
* @param string - the value to validate |
| 950 |
* @return TRUE = succes FALSE = failed |
| 951 |
*/ |
| 952 |
function is_time($value) { |
| 953 |
|
| 954 |
$hour=$value["hour"]; |
| 955 |
$minutes=$value["minutes"]; |
| 956 |
$seconds=$value["seconds"]; |
| 957 |
|
| 958 |
$retval = $this->is_within_range($hour, 0, 0, 23, "INVALID_HOUR"); |
| 959 |
if ( $retval != VALID ) { |
| 960 |
return $retval; |
| 961 |
} |
| 962 |
|
| 963 |
$retval = $this->is_within_range($minutes, 0, 0, 59, "INVALID_MINUTES"); |
| 964 |
if ( $retval != VALID ) { |
| 965 |
return $retval; |
| 966 |
} |
| 967 |
|
| 968 |
$retval = $this->is_within_range($seconds, 0, 0, 59, "INVALID_SECONDS"); |
| 969 |
return $retval; |
| 970 |
} |
| 971 |
|
| 972 |
|
| 973 |
/** |
| 974 |
* This is just a wrapper for |
| 975 |
* |
| 976 |
* @param string - the value to validate |
| 977 |
* @return TRUE = succes FALSE = failed |
| 978 |
*/ |
| 979 |
function is_firstname ($firstname) { |
| 980 |
return $this->is_name($firstname); |
| 981 |
} |
| 982 |
|
| 983 |
|
| 984 |
/** |
| 985 |
* This is just a wrapper for |
| 986 |
* |
| 987 |
* @param string - the value to validate |
| 988 |
* @return TRUE = succes FALSE = failed |
| 989 |
*/ |
| 990 |
function is_lastname ($lastname) { |
| 991 |
return $this->is_name($lastname); |
| 992 |
} |
| 993 |
|
| 994 |
|
| 995 |
/** |
| 996 |
* This validates a string as a valid zipcode |
| 997 |
* |
| 998 |
* numbers, whitespace allowed |
| 999 |
* |
| 1000 |
* @param string - the value to validate |
| 1001 |
* @return TRUE = succes FALSE = failed |
| 1002 |
*/ |
| 1003 |
function is_zip ($zip) { |
| 1004 |
if ( !$this->is_alphanum($zip, "- ") ) { |
| 1005 |
return $this->_error("INVALID_ZIP"); |
| 1006 |
} |
| 1007 |
return TRUE; |
| 1008 |
} |
| 1009 |
|
| 1010 |
/** |
| 1011 |
* This tests a string as a valid |
| 1012 |
* credit card expiration date. |
| 1013 |
* You can pass in an optional date delimiter |
| 1014 |
* string. The default is - |
| 1015 |
* |
| 1016 |
* @param string - the value to validate |
| 1017 |
* @return TRUE = succes FALSE = failed |
| 1018 |
*/ |
| 1019 |
function is_ccexp($value, $split_by="-") { |
| 1020 |
|
| 1021 |
$ret = $this->is_date($value, $split_by); |
| 1022 |
if ( $ret != 1 ) { |
| 1023 |
return $ret; |
| 1024 |
} |
| 1025 |
|
| 1026 |
$x = explode($split_by, $value); |
| 1027 |
$year = $x[0]; |
| 1028 |
$month = $x[1]; |
| 1029 |
$day = $x[2]; |
| 1030 |
|
| 1031 |
$d = sx_date_today(); |
| 1032 |
$today = $d[0] * 10000 + $d[1]; |
| 1033 |
$exp = $year * 10000 + $month; |
| 1034 |
if ( $exp < $today ) { |
| 1035 |
return $this->_error("CCEXP"); |
| 1036 |
} |
| 1037 |
if ( $year - $d[0] > 30 ) { |
| 1038 |
return $this->_error("CCEXP_TOO_FAR"); |
| 1039 |
} |
| 1040 |
return TRUE; |
| 1041 |
} |
| 1042 |
|
| 1043 |
/** |
| 1044 |
* This validates a string as a valid "country code" |
| 1045 |
* which is a 2 alphanumerical character string |
| 1046 |
* |
| 1047 |
* @param string - the value to validate |
| 1048 |
* @return TRUE = succes FALSE = failed |
| 1049 |
*/ |
| 1050 |
function is_countrycode($value) { |
| 1051 |
if ( (!$this->is_alphanum($value)) || ((strlen($value) != 2)) ) { |
| 1052 |
return $this->_error("INVALID_FIELD"); |
| 1053 |
} |
| 1054 |
return TRUE; |
| 1055 |
} |
| 1056 |
|
| 1057 |
/** |
| 1058 |
* This method validates a string as a valid url |
| 1059 |
* It inclues the prefix, hostname/ip, port number |
| 1060 |
* and path. |
| 1061 |
* |
| 1062 |
* NOTE: format is in |
| 1063 |
* [http://] hostip [:port number] [path] |
| 1064 |
* |
| 1065 |
* @param string - the value to validate |
| 1066 |
* @return TRUE = succes FALSE = failed |
| 1067 |
*/ |
| 1068 |
function is_url($url) { |
| 1069 |
// The first few characters could be http://. If so, remove them |
| 1070 |
$url = ereg_replace("^http:\/\/", "", $url); |
| 1071 |
|
| 1072 |
// Get the location of first : or '/' |
| 1073 |
$len = strcspn($url, ":\/"); |
| 1074 |
$host = substr($url, 0, $len); |
| 1075 |
$validate = $this->is_hostip($host); |
| 1076 |
if ( $validate != 1 ) { |
| 1077 |
return $validate; |
| 1078 |
} |
| 1079 |
|
| 1080 |
$rest = substr($url, $len); |
| 1081 |
|
| 1082 |
// Extract and verify the port number, if specified. |
| 1083 |
if ( ereg("^(:)([^\/]*)(.*)", $rest, $regs) ) { |
| 1084 |
$port_num = $regs[2]; |
| 1085 |
if ( !$this->is_num($port_num) ) { |
| 1086 |
return $this->_error("INVALID_PORT_NUM"); |
| 1087 |
} |
| 1088 |
$rest = $regs[3]; |
| 1089 |
} |
| 1090 |
|
| 1091 |
// The path field may be null |
| 1092 |
if ( ereg("^[[:space:]]*$", $rest) ) { |
| 1093 |
return TRUE; |
| 1094 |
} |
| 1095 |
|
| 1096 |
return $this->is_urlpath($rest); |
| 1097 |
} |
| 1098 |
|
| 1099 |
/** |
| 1100 |
* This method validates a strict url. |
| 1101 |
* It is the same as is_url, except that it requires |
| 1102 |
* the prefix http:// |
| 1103 |
* |
| 1104 |
* @param string - the value to validate |
| 1105 |
* @return TRUE = succes FALSE = failed |
| 1106 |
*/ |
| 1107 |
function is_strict_url($url) { |
| 1108 |
|
| 1109 |
$decoded_url = parse_url( $url ); |
| 1110 |
if ( !$decoded_url["scheme"] ) { |
| 1111 |
//looks like they didn't provide the scheme |
| 1112 |
return $this->_error("INVALID_URL"); |
| 1113 |
} |
| 1114 |
return $this->is_url($url); |
| 1115 |
} |
| 1116 |
|
| 1117 |
|
| 1118 |
/** |
| 1119 |
* Validate if the string is a good candidate |
| 1120 |
* to become an Title |
| 1121 |
* |
| 1122 |
* @param string - the value to validate |
| 1123 |
* @return TRUE = succes FALSE = failed |
| 1124 |
*/ |
| 1125 |
function is_title($name) { |
| 1126 |
if ( !$this->is_alphanum($name," ") ) |
| 1127 |
return "Only alpha-numeric characters are allowed"; |
| 1128 |
return TRUE; |
| 1129 |
} |
| 1130 |
|
| 1131 |
|
| 1132 |
|
| 1133 |
/** |
| 1134 |
* Validate domain |
| 1135 |
* Will check if a domain is valid |
| 1136 |
* |
| 1137 |
* @param string - the value to validate |
| 1138 |
* @return TRUE = succes FALSE = failed |
| 1139 |
*/ |
| 1140 |
function is_valid_domain($domain_value, $allow_www=false) { |
| 1141 |
|
| 1142 |
// we allow 'none' as empty domain |
| 1143 |
if ( $domain_value=='none' ) return TRUE; |
| 1144 |
|
| 1145 |
// allow uppercase domains |
| 1146 |
$domain_value = strtolower($domain_value); |
| 1147 |
|
| 1148 |
if ( !ereg( "^(([a-z0-9]{1,63}|([a-z0-9][a-z0-9\-]{1,61}[a-z0-9]))\.)+[a-z]{2,4}$", $domain_value) ) { |
| 1149 |
return $domain_value . " is not RFC compliant"; |
| 1150 |
} else if ( !$allow_www && ereg( "^www\.", $domain_value) ) { |
| 1151 |
return $domain_value . " is invalid."; |
| 1152 |
} |
| 1153 |
return TRUE; |
| 1154 |
} |
| 1155 |
|
| 1156 |
/** |
| 1157 |
* no comment |
| 1158 |
* |
| 1159 |
*/ |
| 1160 |
function is_host($host) { |
| 1161 |
return $this->is_valid_domain($host, TRUE); |
| 1162 |
} |
| 1163 |
|
| 1164 |
/** |
| 1165 |
* no comment |
| 1166 |
* |
| 1167 |
*/ |
| 1168 |
function is_hostlist($hostlist) { |
| 1169 |
$a = explode(",", str_replace(" ", "", $hostlist)); |
| 1170 |
foreach ($a as $host) { |
| 1171 |
$r = $this->is_valid_domain($host, TRUE); |
| 1172 |
if ( $r !== TRUE ) |
| 1173 |
return $r; |
| 1174 |
} |
| 1175 |
return TRUE; |
| 1176 |
} |
| 1177 |
} |
| 1178 |
?> |
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