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jonen |
1.1 |
<?php |
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/** |
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jonen |
1.2 |
* $Id: FormValidation.inc,v 1.11 2003/07/18 01:23:43 hemna Exp $ |
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jonen |
1.1 |
* |
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* This class handles the validation of form fields |
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* This is used in conjunction with the FormProcessing |
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* class, and the FormContent Class. In the FormContent |
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* class, you create an array of fields that you want |
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* checked in the validate() method. |
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* |
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* @author Walter A. Boring IV <waboring@buildabetterweb.com> |
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* @package phpHtmlLib |
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* @subpackage FormProcessing |
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* |
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* @copyright LGPL - See LICENCE |
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*/ |
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define("VALIDATE_MAXSIZE", 40); |
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define("VALIDATE_EMAIL_LENGTH", 256); |
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define("VALIDATE_MAX_HOSTNAME_LENGTH", 255); |
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define("SXVALIDATE_MAX_HOSTNAME_ELEMENT_LENGTH", 63); |
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define("VALID", TRUE); |
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/** |
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* This is the base validation class that |
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* contains some basic FormElement validation |
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* methods. |
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* |
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* @package phpHtmlLib |
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* @subpackage FormProcessing |
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*/ |
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class FormValidation { |
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/** |
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* This holds the last error code found |
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*/ |
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var $_error_code = ''; |
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/** |
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* This holds the last error message |
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*/ |
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var $_error_message = ''; |
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jonen |
1.2 |
|
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/** |
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* This is the FormErrors object |
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*/ |
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var $_FormErrors = NULL; |
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/** |
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* The constructor used to set the |
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* form errors object used by this class |
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* to do error text lookups |
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* |
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* @param FormErrors object |
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*/ |
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function FormValidation(&$error_obj) { |
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$this->_FormErrors = &$error_obj; |
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} |
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jonen |
1.1 |
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/** |
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* This method checks to make sure an array doesn't have |
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* an empty element. |
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* |
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*/ |
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function array_hasempty($a) { |
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if ( is_array($a) ) { |
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foreach ( $a as $key => $value ) { |
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if ( $value == '' ) { |
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return TRUE; |
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} |
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} |
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return FALSE; |
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} else { |
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return $a == ''; |
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} |
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} |
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/** |
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* A wrapper method to set the error message and |
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* error code before returning FALSE |
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* |
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* @param string - error code |
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* @return FALSE |
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*/ |
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function _error($code, $message=NULL) { |
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$this->_error_code = $code; |
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if ($message == NULL) { |
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jonen |
1.2 |
$this->_error_message = $this->_FormErrors->get_error_msg($code); |
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jonen |
1.1 |
unset( $err ); |
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} else { |
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$this->_error_message = $message; |
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} |
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return FALSE; |
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} |
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/** |
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* This method returns the error code from the |
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* last validation error found. |
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* |
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* @return string |
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*/ |
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function get_error_code() { |
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return $this->_error_code; |
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} |
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/** |
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* This method returns the error |
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* message from the last validation |
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* error found. |
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* |
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* @return string |
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*/ |
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function get_error_message() { |
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return $this->_error_message; |
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} |
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/** |
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* This function makes sure the |
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* data is not empty |
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* |
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* @param mixed |
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* @return TRUE = not empty |
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*/ |
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function is_notempty($value) { |
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if ( $this->array_hasempty($value) ) { |
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return $this->_error("EMPTY_FIELD"); |
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} |
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return TRUE; |
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} |
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/** |
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* This function checks if the given string contains |
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* alphabetical characters or numbers. |
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* It also checks for the allowed additional characters. |
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* |
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* @param string - the string to check |
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* @param string - list of individual characters to allow |
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* besides a-zA-Z |
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* |
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* @return boolean FALSE - if any other extraneous |
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* characters are found |
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* TRUE upon succes. |
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*/ |
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function is_alphanum($str, $from = "") { |
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// If the given string is only white spaces, return false |
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if ( ereg("^[[:space:]]*$", $str) ) { |
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return FALSE; |
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} |
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$to = ""; |
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$len = strlen($from); |
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for ( $i = 0; $i < $len; ++$i ) { |
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$to .= "a"; |
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} |
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$str = strtr($str, $from, $to); |
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$substr = eregi_replace("[a-z0-9]+", "", $str); |
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if ( !$this->array_hasempty($substr) ) { |
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return FALSE; |
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} |
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return TRUE; |
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} |
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173 |
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/** |
174 |
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* This function checks if the given string contains |
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* numerical digit characters. |
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* It also checks for the allowed additional characters. |
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* |
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* @param string - the string to check |
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* @param string - list of individual characters to allow |
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* besides a-zA-Z |
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* |
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* @return boolean FALSE - if any other extraneous |
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* characters are found |
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* TRUE upon succes. |
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*/ |
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function is_num($str, $from = "") { |
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// If the given string is only white spaces, return false |
189 |
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if ( ereg("^[[:space:]]*$", $str) ) { |
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return FALSE; |
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} |
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193 |
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$to = ""; |
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$len = strlen($from); |
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for ( $i = 0; $i < $len; ++$i ) { |
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$to .= "0"; |
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} |
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$str = strtr($str, $from, $to); |
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$substr = eregi_replace("[0-9]+", "", $str); |
200 |
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if ( !$this->array_hasempty($substr) ) { |
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return FALSE; |
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} |
203 |
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return TRUE; |
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} |
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206 |
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207 |
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/** |
208 |
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* is_range |
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* |
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* This is the range check that the can be used in checks_array. |
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* Valarray should be: |
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* array('val' => $val, |
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* 'size' => $size OPTIONAL |
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* 'min' => $min, |
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* 'max' => $max, |
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* ) |
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*/ |
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function is_range($value, $size, $min, $max) { |
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return $this->is_within_range($value, $size, |
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$min, $max); |
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} |
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223 |
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/** |
224 |
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* This method makes sure a value lies within |
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* a given range of values. |
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* The error message can be customized by passing in |
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* a customer error code |
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* |
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* @param mixed - the value u want to check |
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* @param int - the size |
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* @param mixed - the lower bound value |
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* @param mixed - the upper bound value |
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* @param string - the error code if any |
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* @return TRUE = succes FALSE = failed |
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* |
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*/ |
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function is_within_range($value, $size, $start, $end, $error=FALSE) { |
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if ( ($value == '') || !$this->is_num($value) ) { |
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if ( $error ) return $this->_error(NULL, $error); |
240 |
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else return $this->_error("INVALID_NUMBER"); |
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} |
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243 |
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if ( $size ) { |
244 |
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if ( strlen($value) != $size ) { |
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if ( $error ) return $this->_error(NULL, $error); |
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else return $this->_error(NULL,"Number too large (".$size." digits max)"); |
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} |
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} |
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250 |
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if ( (($start != NULL) && ($value < $start)) || |
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(($end != NULL) && ($value > $end)) ) { |
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if ( $error ) return $this->_error(NULL, $error); |
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else return $this->_error(NULL, "Value out of range (".$start."-".$end.")"); |
254 |
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} |
255 |
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return TRUE; |
256 |
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} |
257 |
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258 |
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/** |
259 |
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* This method validates a string as containing |
260 |
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* only letters and numbers |
261 |
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* |
262 |
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* @param string - the value to validate |
263 |
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* @return TRUE = succes FALSE = failed |
264 |
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*/ |
265 |
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function is_alphanumstring( $str ) { |
266 |
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if ( !$this->is_alphanum($str) ) { |
267 |
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return $this->_error("INVALID_ALPHANUM_CHARACTERS"); |
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} |
269 |
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return TRUE; |
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} |
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272 |
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273 |
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/** |
274 |
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* this method tests to see if this is a valid |
275 |
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* hostname value minus the domain name portion. |
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* |
277 |
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* @param string - the value to validate |
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* @return TRUE = succes FALSE = failed |
279 |
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*/ |
280 |
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function is_standalone_hostname ($name) { |
281 |
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282 |
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// letters, digits and "-" only |
283 |
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if ( !$this->is_alphanum($name, "-") ) { |
284 |
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return $this->_error("INVALID_STANDALONE_HOST_NAME"); |
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} |
286 |
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287 |
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$len = strlen($name); |
288 |
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if ( $len > VALIDATE_MAX_HOSTNAME_ELEMENT_LENGTH ) { |
289 |
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return $this->_error("INVALID_LENGTH"); |
290 |
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} |
291 |
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292 |
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// Error if it doesn't start with an alphabet or digit |
293 |
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if ( !eregi("^[a-z0-9]", $name) ) { |
294 |
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return $this->_error("INVALID_HOST_NAME"); |
295 |
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} |
296 |
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297 |
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// Error if it contains no alphabets |
298 |
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if ( !eregi("[a-z]", $name) ) { |
299 |
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return $this->_error("INVALID_HOST_NAME"); |
300 |
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} |
301 |
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302 |
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return TRUE; |
303 |
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} |
304 |
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305 |
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/** |
306 |
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* This method validates a string for a valid |
307 |
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* hostname for a machine. |
308 |
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* |
309 |
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* @param string - the value to validate |
310 |
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* @return TRUE = succes FALSE = failed |
311 |
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*/ |
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jonen |
1.2 |
function is_domainname ($name, $forbid_www=FALSE) { |
313 |
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if (!ereg( "^(([a-z0-9]{1,63}|". |
314 |
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"([a-z0-9][a-z0-9\-]{1,61}[a-z0-9]))\.)+". |
315 |
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"[a-z]{2,63}$", $name )) { |
316 |
jonen |
1.1 |
return $this->_error("INVALID_HOST_NAME"); |
317 |
jonen |
1.2 |
} else if ($forbid_www && ereg( "^www\.", $name )) { |
318 |
jonen |
1.1 |
return $this->_error("INVALID_HOST_NAME"); |
319 |
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} |
320 |
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return TRUE; |
321 |
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} |
322 |
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323 |
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/** |
324 |
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* This method validates a string for a valid |
325 |
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* partial hostname for a machine. |
326 |
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* |
327 |
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* @param string - the value to validate |
328 |
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* @return TRUE = succes FALSE = failed |
329 |
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*/ |
330 |
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function is_partial_domainname($name) { |
331 |
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332 |
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// letters, digits and ".-" only |
333 |
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if ( !$this->is_alphanum($name, ".-") ) { |
334 |
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return $this->_error("INVALID_HOST_NAME"); |
335 |
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} |
336 |
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337 |
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$len = strlen($name); |
338 |
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if ( $len > VALIDATE_MAX_HOSTNAME_LENGTH ) { |
339 |
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return $this->_error("INVALID_LENGTH"); |
340 |
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} |
341 |
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342 |
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// Error if it contains no alphabets |
343 |
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if ( !eregi("[a-z]", $name) ) { |
344 |
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return $this->_error("INVALID_HOST_NAME"); |
345 |
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} |
346 |
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return TRUE; |
347 |
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} |
348 |
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349 |
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350 |
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/** |
351 |
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* This is just a wrapper for is_domainname |
352 |
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* |
353 |
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* @param string - the value to validate |
354 |
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* @return TRUE = succes FALSE = failed |
355 |
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*/ |
356 |
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function is_hostname ($name) { |
357 |
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return $this->is_domainname($name); |
358 |
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} |
359 |
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360 |
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361 |
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/** |
362 |
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* This validates a string as an IP address |
363 |
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* This should work with either IPv4 or IPv6 |
364 |
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* |
365 |
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* @param string - the value to validate |
366 |
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* @return TRUE = succes FALSE = failed |
367 |
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*/ |
368 |
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function is_ip ($ip) { |
369 |
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370 |
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if ( !$this->is_num($ip, ".") ) { |
371 |
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return $this->_error("INVALID_IP"); |
372 |
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} |
373 |
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374 |
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if ( $ip == "0.0.0.0" ) { |
375 |
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return $this->_error("INVALID_IP"); |
376 |
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} |
377 |
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378 |
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$regs = split("\.", $ip); |
379 |
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$num = sizeof($regs); |
380 |
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381 |
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// Allow IPv4 and IPv6 |
382 |
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if ( $num != 4 && $num != 8 ) { |
383 |
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return $this->_error("INVALID_IP"); |
384 |
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} |
385 |
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386 |
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for ( $i = 0; $i < $num; ++$i ) { |
387 |
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if ( (!$this->is_num($regs[$i])) || ($regs[$i] >= 256) || |
388 |
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($regs[$i] == "") ) { |
389 |
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return $this->_error("INVALID_IP"); |
390 |
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} |
391 |
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} |
392 |
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return TRUE; |
393 |
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} |
394 |
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|
395 |
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/** |
396 |
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* This validates a string as a portion |
397 |
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* of an IP address. |
398 |
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* This should work with either IPv4 or IPv6 |
399 |
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* |
400 |
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* @param string - the value to validate |
401 |
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* @return TRUE = succes FALSE = failed |
402 |
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*/ |
403 |
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function is_partial_ip($ip) { |
404 |
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if ( !$this->is_num($ip, ".") ) { |
405 |
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return $this->_error("INVALID_IP"); |
406 |
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} |
407 |
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408 |
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$regs = split("\.", $ip); |
409 |
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$num = sizeof($regs); |
410 |
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|
411 |
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// Allow IPv4 and IPv6 |
412 |
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if ( $num > 8 ) { |
413 |
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return $this->_error("INVALID_IP"); |
414 |
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} |
415 |
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416 |
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for ( $i = 0; $i < $num; ++$i ) { |
417 |
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if ( (!$this->is_num($regs[$i] + 0)) || ($regs[$i] >= 256) ) { |
418 |
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return $this->_error("INVALID_IP"); |
419 |
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} |
420 |
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} |
421 |
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return TRUE; |
422 |
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} |
423 |
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424 |
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425 |
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/** |
426 |
|
|
* This method tries to validate a string |
427 |
|
|
* as a valid IP address or a hostname |
428 |
|
|
* |
429 |
|
|
* @param string - the value to validate |
430 |
|
|
* @return TRUE = succes FALSE = failed |
431 |
|
|
*/ |
432 |
|
|
function is_hostip($hostip) { |
433 |
|
|
|
434 |
|
|
// If it looks like a number, check if it is a valid ip, else |
435 |
|
|
// check if it is a valid name. |
436 |
|
|
if ( $this->is_num($hostip, ".") ) { |
437 |
|
|
return $this->is_ip($hostip); |
438 |
|
|
} else { |
439 |
|
|
return $this->is_hostname($hostip); |
440 |
|
|
} |
441 |
|
|
} |
442 |
|
|
|
443 |
|
|
/** |
444 |
|
|
* This tests a string to make sure it is a |
445 |
|
|
* valid number. |
446 |
|
|
* |
447 |
|
|
* @param string - the value to validate |
448 |
|
|
* @return TRUE = succes FALSE = failed |
449 |
|
|
*/ |
450 |
|
|
function is_number($value) { |
451 |
|
|
if ( !$this->is_num($value) ) { |
452 |
|
|
return $this->_error("INVALID_NUMBER"); |
453 |
|
|
} |
454 |
|
|
return TRUE; |
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
|
458 |
|
|
/** |
459 |
|
|
* This method tests a string to make sure it is |
460 |
|
|
* in a valid money format. |
461 |
|
|
* either $x or $x.cents |
462 |
|
|
* |
463 |
|
|
* @param string - the value to validate |
464 |
|
|
* @return TRUE = succes FALSE = failed |
465 |
|
|
*/ |
466 |
|
|
function is_money($money) { |
467 |
|
|
|
468 |
|
|
if ( !$this->is_num($money, ".") ) { |
469 |
|
|
return $this->_error("INVALID_MONEY"); |
470 |
|
|
} |
471 |
|
|
|
472 |
|
|
// Check for dollar.cent pattern |
473 |
|
|
if ( ereg("^[0-9]*\.[0-9][0-9]?$", $money) ) { |
474 |
|
|
return TRUE; |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
// Or It can be just dollars |
478 |
|
|
if ( ereg("^[0-9]+$", $money) ) { |
479 |
|
|
return TRUE; |
480 |
|
|
} |
481 |
|
|
|
482 |
|
|
return $this->_error("INVALID_MONEY"); |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
/** |
486 |
|
|
* This method tries to validate a string as |
487 |
|
|
* a valid price. It can't be zero (a la free!) |
488 |
|
|
* |
489 |
|
|
* @param string - the value to validate |
490 |
|
|
* @return TRUE = succes FALSE = failed |
491 |
|
|
*/ |
492 |
|
|
function is_price($price) { |
493 |
|
|
$ret = $this->is_money($price); |
494 |
|
|
if ( $ret != TRUE ) { |
495 |
|
|
return $ret; |
496 |
|
|
} |
497 |
|
|
|
498 |
|
|
// Should be more than just 0s and .s |
499 |
|
|
if ( ereg("^0*\.*0*$", $price) ) { |
500 |
|
|
return $this->_error("INVALID_PRICE"); |
501 |
|
|
} |
502 |
|
|
|
503 |
|
|
return TRUE; |
504 |
|
|
} |
505 |
|
|
|
506 |
|
|
|
507 |
|
|
/** |
508 |
|
|
* This method validates a string as a valid |
509 |
|
|
* float formatted number. x.xx |
510 |
|
|
* |
511 |
|
|
* @param string - the value to validate |
512 |
|
|
* @return TRUE = succes FALSE = failed |
513 |
|
|
*/ |
514 |
|
|
function is_float($number) { |
515 |
|
|
|
516 |
|
|
if ( !$this->is_num($number, ".") ) { |
517 |
|
|
return $this->_error("INVALID_FLOAT"); |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
// Number of the form x.y |
521 |
|
|
if ( ereg("^[0-9]*\.[0-9]+$", $number) ) { |
522 |
|
|
return TRUE; |
523 |
|
|
} |
524 |
|
|
|
525 |
|
|
// Number of the form x |
526 |
|
|
if ( ereg("^[0-9]+$", $number) ) { |
527 |
|
|
return TRUE; |
528 |
|
|
} |
529 |
|
|
|
530 |
|
|
return $this->_error("INVALID_FLOAT"); |
531 |
|
|
} |
532 |
|
|
|
533 |
|
|
|
534 |
|
|
/** |
535 |
|
|
* This validates a string as a valid number |
536 |
|
|
* between 0 and 100 |
537 |
|
|
* |
538 |
|
|
* @param string - the value to validate |
539 |
|
|
* @return TRUE = succes FALSE = failed |
540 |
|
|
*/ |
541 |
|
|
function is_zero_onehundred($value) { |
542 |
|
|
|
543 |
|
|
if ( !$this->is_num($value) ) { |
544 |
|
|
return $this->_error("INVALID_NUMBER"); |
545 |
|
|
} |
546 |
|
|
|
547 |
|
|
if ( !($value > 0 && $value <= 100) ) { |
548 |
|
|
return $this->_error("INVALID_ZERO_HUNDRED_NUMBER"); |
549 |
|
|
} |
550 |
|
|
|
551 |
|
|
return TRUE; |
552 |
|
|
} |
553 |
|
|
|
554 |
|
|
|
555 |
|
|
/** |
556 |
|
|
* This method validates a string as a number |
557 |
|
|
* greater then 0. |
558 |
|
|
* |
559 |
|
|
* @param string - the value to validate |
560 |
|
|
* @return TRUE = succes FALSE = failed |
561 |
|
|
*/ |
562 |
|
|
function is_higherzeronumber($value) { |
563 |
|
|
if ( !$this->is_num($value) ) { |
564 |
|
|
return $this->_error("INVALID_NUMBER"); |
565 |
|
|
} |
566 |
|
|
if ( $value > 0 ) { |
567 |
|
|
return TRUE; |
568 |
|
|
} |
569 |
|
|
return $this->_error("INVALID_NUMBER"); |
570 |
|
|
} |
571 |
|
|
|
572 |
|
|
/** |
573 |
|
|
* This method validates a string as a |
574 |
|
|
* path to a file. |
575 |
|
|
* |
576 |
|
|
* @param string - the value to validate |
577 |
|
|
* @return TRUE = succes FALSE = failed |
578 |
|
|
*/ |
579 |
|
|
function is_path ($path) { |
580 |
|
|
//DOS related checks are also needed |
581 |
|
|
if ( !$this->is_alphanum($path, "-_/:.,") ) { |
582 |
|
|
return $this->_error("INVALID_PATH_CHARACTERS"); |
583 |
|
|
} |
584 |
|
|
return TRUE; |
585 |
|
|
} |
586 |
|
|
|
587 |
|
|
|
588 |
|
|
/** |
589 |
|
|
* This method validates a string as a valid |
590 |
|
|
* url path to a file |
591 |
|
|
* |
592 |
|
|
* @param string - the value to validate |
593 |
|
|
* @return TRUE = succes FALSE = failed |
594 |
|
|
*/ |
595 |
|
|
function is_urlpath ($path) { |
596 |
|
|
// DOS related checks are also needed |
597 |
|
|
if ( !$this->is_alphanum($path, "-_/:.,%?&=") ) { |
598 |
|
|
return $this->_error("INVALID_PATH_CHARACTERS"); |
599 |
|
|
} |
600 |
|
|
return TRUE; |
601 |
|
|
} |
602 |
|
|
|
603 |
|
|
|
604 |
|
|
/** |
605 |
|
|
* This validates a string as a valid proper name. |
606 |
|
|
* The string can't be longer then VALIDATE_MAXSIZE in |
607 |
|
|
* length, and it can only contain letters and numbers |
608 |
|
|
* |
609 |
|
|
* @param string - the value to validate |
610 |
|
|
* @return TRUE = succes FALSE = failed |
611 |
|
|
*/ |
612 |
|
|
function is_name ($name) { |
613 |
|
|
//letters & numbers only |
614 |
|
|
if ( !$this->is_alphanum($name, ".- '") ) { |
615 |
|
|
return $this->_error("INVALID_NAME_CHARACTERS"); |
616 |
|
|
} |
617 |
|
|
// VALIDATE_MAXSIZE |
618 |
|
|
$len = strlen($name); |
619 |
|
|
if ( $len > VALIDATE_MAXSIZE ) { |
620 |
|
|
return $this->_error("INVALID_LENGTH_40"); |
621 |
|
|
} |
622 |
|
|
return TRUE; |
623 |
|
|
} |
624 |
|
|
|
625 |
|
|
|
626 |
|
|
/** |
627 |
|
|
* This validates a string as a valid Company name. |
628 |
|
|
* It is the same as is_name, with the exception |
629 |
|
|
* of allowing . |
630 |
|
|
* |
631 |
|
|
* @param string - the value to validate |
632 |
|
|
* @return TRUE = succes FALSE = failed |
633 |
|
|
*/ |
634 |
|
|
function is_companyname($name) { |
635 |
|
|
$name = eregi_replace("[\. @\&,_]+","",$name); |
636 |
|
|
return $this->is_name($name); |
637 |
|
|
} |
638 |
|
|
|
639 |
|
|
|
640 |
|
|
/** |
641 |
|
|
* This method tests to see if a string value |
642 |
|
|
* is a valid 'account' name. The string can't |
643 |
|
|
* be larger then VALIDATE_MAXSIZE, and can only |
644 |
|
|
* contain alphanum characters |
645 |
|
|
* |
646 |
|
|
* @param string - the value to validate |
647 |
|
|
* @return TRUE = succes FALSE = failed |
648 |
|
|
*/ |
649 |
|
|
function is_username ($username) { |
650 |
|
|
|
651 |
|
|
if ( !$this->is_alphanum($username, "_") ) { |
652 |
|
|
return $this->_error("INVALID_LOGIN_NAME_CHARACTERS"); |
653 |
|
|
} |
654 |
|
|
|
655 |
|
|
// VALIDATE_MAXSIZE |
656 |
|
|
$len = strlen($username); |
657 |
|
|
if ( $len > VALIDATE_MAXSIZE ) { |
658 |
|
|
return $this->_error("INVALID_LOGIN_NAME_LENGTH"); |
659 |
|
|
} |
660 |
|
|
return TRUE; |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
|
664 |
|
|
/** |
665 |
|
|
* This tries to validate a string as a password |
666 |
|
|
* It can't be empty and has to be less then |
667 |
|
|
* VALIDATE_MAXSIZE characters in length |
668 |
|
|
* |
669 |
|
|
* NOTE: password is case sensitive, and spaces are |
670 |
|
|
* ignored. |
671 |
|
|
* |
672 |
|
|
* @param string - the value to validate |
673 |
|
|
* @return TRUE = succes FALSE = failed |
674 |
|
|
*/ |
675 |
|
|
function is_password ($password) { |
676 |
|
|
$len = strlen($password); |
677 |
|
|
if ( $len > VALIDATE_MAXSIZE ) { |
678 |
|
|
return $this->_error("INVALID_PASSWORD_LENGTH"); |
679 |
|
|
} |
680 |
|
|
if ( !$this->is_alphanum($password) ) { |
681 |
|
|
return $this->_error("INVALID_PASSWORD_CHARACTERS"); |
682 |
|
|
} |
683 |
|
|
return TRUE; |
684 |
|
|
} |
685 |
|
|
|
686 |
|
|
|
687 |
|
|
/** |
688 |
|
|
* This makes sure that 2 password strings are exactly alike. |
689 |
|
|
* |
690 |
|
|
* @param string - the value to validate |
691 |
|
|
* @return TRUE = succes FALSE = failed |
692 |
|
|
*/ |
693 |
|
|
function is_confirm_password ($confirmpassword, $password) { |
694 |
|
|
//confirm pswd value must match pswd value |
695 |
|
|
if ( strcmp($password, $confirmpassword) != 0 ) { |
696 |
|
|
return $this->_error("PASSWORD_CONFIRM_NO_MATCH"); |
697 |
|
|
} |
698 |
|
|
return TRUE; |
699 |
|
|
} |
700 |
|
|
|
701 |
|
|
|
702 |
|
|
/** |
703 |
|
|
* This method tests a string as a valid |
704 |
|
|
* hostname value or a valid email string |
705 |
|
|
* |
706 |
|
|
* @param string - the value to validate |
707 |
|
|
* @return TRUE = succes FALSE = failed |
708 |
|
|
*/ |
709 |
|
|
function is_hostemail($name) { |
710 |
|
|
if ( strchr($name, "@") ) { |
711 |
|
|
return $this->is_email($name); |
712 |
|
|
} else { |
713 |
|
|
return $this->is_hostname($name); |
714 |
|
|
} |
715 |
|
|
} |
716 |
|
|
|
717 |
|
|
|
718 |
|
|
/** |
719 |
|
|
* This function validates a single email address. |
720 |
|
|
* It supports email addresses in the format of |
721 |
|
|
* jane@blah.com or "Jane Doe <jane@blah.com>" |
722 |
|
|
* |
723 |
|
|
* @param string - the value to validate |
724 |
|
|
* @return TRUE = succes FALSE = failed |
725 |
|
|
*/ |
726 |
|
|
function is_email ($email) { |
727 |
|
|
|
728 |
|
|
//no quotes allowed |
729 |
|
|
if ( strstr($email, '"') || strstr($email, "'") ) { |
730 |
|
|
return $this->_error("INVALID_EMAIL"); |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
//lets see if the email is in the form of |
734 |
|
|
//"Foo Bar <foo@bar.com>" |
735 |
|
|
$name = explode(" ", $email); |
736 |
|
|
if ( count($name) > 1 ) { |
737 |
|
|
//it looks like they gave us an email |
738 |
|
|
//with a leading name such as Foo Bar <foo@bar.com> |
739 |
|
|
//find the email address inside <> |
740 |
|
|
$found_email = FALSE; |
741 |
|
|
foreach( $name as $key => $val ) { |
742 |
|
|
if ( strstr($val, "@") ) { |
743 |
|
|
$found_email = TRUE; |
744 |
|
|
if ( (substr($val, 0, 1) == "<") && (substr($val, strlen($val)-1, 1) == ">") ) { |
745 |
|
|
$email = substr($val, 1, strlen($val)-2 ); |
746 |
|
|
} else { |
747 |
|
|
//invalid email address |
748 |
|
|
//it must have a < |
749 |
|
|
return $this->_error("INVALID_EMAIL_MISSING_BRACKETS"); |
750 |
|
|
} |
751 |
|
|
} |
752 |
|
|
} |
753 |
|
|
if ( !$found_email ) { |
754 |
|
|
//we couldn't find an email address |
755 |
|
|
//in the text. |
756 |
|
|
return $this->_error("INVALID_EMAIL"); |
757 |
|
|
} |
758 |
|
|
} |
759 |
|
|
|
760 |
|
|
if ( !$this->is_alphanum($email, "@.-_/:") ) { |
761 |
|
|
return $this->_error("INVALID_EMAIL"); |
762 |
|
|
} |
763 |
|
|
|
764 |
|
|
// "@.", ".@.", "_@.", .com, .net, .edu, .blah |
765 |
|
|
if ( !ereg("^( )*([a-zA-Z0-9_/:]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}$", $email, $arr) ) { |
766 |
|
|
return $this->_error("INVALID_EMAIL"); |
767 |
|
|
} |
768 |
|
|
|
769 |
|
|
$len = strlen($email); |
770 |
|
|
if ( $len > VALIDATE_EMAIL_LENGTH ) { |
771 |
|
|
return $this->_error("INVALID_LENGTH_256"); |
772 |
|
|
} |
773 |
|
|
|
774 |
|
|
// email cannot end with a dot |
775 |
|
|
if ( ereg("\.$", $email) ) { |
776 |
|
|
return $this->_error("INVALID_EMAIL"); |
777 |
|
|
} |
778 |
|
|
|
779 |
|
|
// no space |
780 |
|
|
if ( ereg(" ", $email, $arr) ) { |
781 |
|
|
return $this->_error("INVALID_EMAIL"); |
782 |
|
|
} |
783 |
|
|
return TRUE; |
784 |
|
|
} |
785 |
|
|
|
786 |
|
|
/** |
787 |
|
|
* This function tests a string that may |
788 |
|
|
* contain many email addresses seperated by |
789 |
|
|
* commas |
790 |
|
|
* |
791 |
|
|
* @param string - the value to validate |
792 |
|
|
* @return TRUE = succes FALSE = failed |
793 |
|
|
*/ |
794 |
|
|
function is_manyemails( $emails ) { |
795 |
|
|
//first lets get the list of emails |
796 |
|
|
|
797 |
|
|
$email_arr = explode(",", $emails); |
798 |
|
|
foreach( $email_arr as $key => $email) { |
799 |
|
|
$res = $this->is_email($email); |
800 |
|
|
if ( $res !== TRUE ) { |
801 |
|
|
return $res; |
802 |
|
|
} |
803 |
|
|
} |
804 |
|
|
return TRUE; |
805 |
|
|
} |
806 |
|
|
|
807 |
|
|
|
808 |
|
|
/** |
809 |
|
|
* This method validates a string as a |
810 |
|
|
* leap year. |
811 |
|
|
* |
812 |
|
|
* @param string - the value to validate |
813 |
|
|
* @return TRUE = succes FALSE = failed |
814 |
|
|
*/ |
815 |
|
|
function is_leapyear($yyyy) { |
816 |
|
|
if (!($yyyy%4 == 0 && ($yyyy%100 != 0 || $yyyy%400 == 0))) { |
817 |
|
|
return $this->_error("NOT_LEAPYEAR"); |
818 |
|
|
} |
819 |
|
|
return TRUE; |
820 |
|
|
} |
821 |
|
|
|
822 |
|
|
|
823 |
|
|
/** |
824 |
|
|
* This validates a atring as a valid date format |
825 |
|
|
* You can provide a seperator string that seperates |
826 |
|
|
* the fields |
827 |
|
|
* |
828 |
|
|
* NOTE: date is in YYYY-MO-DY format |
829 |
|
|
* |
830 |
|
|
* @param string - the value to validate |
831 |
|
|
* @return TRUE = succes FALSE = failed |
832 |
|
|
*/ |
833 |
|
|
function is_date($value, $split_by="-") { |
834 |
|
|
|
835 |
|
|
$x = explode($split_by, $value); |
836 |
|
|
$year = $x[0]; |
837 |
|
|
$month = $x[1]; |
838 |
|
|
$day = $x[2]; |
839 |
|
|
|
840 |
|
|
$retval = $this->is_datemonth($month); |
841 |
|
|
if ( $retval != VALID ) { |
842 |
|
|
return $retval; |
843 |
|
|
} |
844 |
|
|
|
845 |
|
|
$retval = $this->is_dateday($day); |
846 |
|
|
if ( $retval != VALID ) { |
847 |
|
|
return $retval; |
848 |
|
|
} |
849 |
|
|
|
850 |
|
|
$retval = $this->is_dateyear($year); |
851 |
|
|
if ( $retval != VALID ) { |
852 |
|
|
return $retval; |
853 |
|
|
} |
854 |
|
|
|
855 |
|
|
// Check the overall validity of the date |
856 |
|
|
if ( !checkdate($month, $day, $year) ) { |
857 |
|
|
return $this->_error("INVALID_FIELD"); |
858 |
|
|
} |
859 |
|
|
|
860 |
|
|
return TRUE; |
861 |
|
|
|
862 |
|
|
} |
863 |
|
|
|
864 |
|
|
|
865 |
|
|
/** |
866 |
|
|
* This validates a string as a valid day of a month |
867 |
|
|
* It has to be greater then 0 and less then 31 |
868 |
|
|
* |
869 |
|
|
* @param string - the value to validate |
870 |
|
|
* @return TRUE = succes FALSE = failed |
871 |
|
|
*/ |
872 |
|
|
function is_dateday($day) { |
873 |
|
|
return $this->is_within_range($day, 0, 1, 31, "INVALID_DAY"); |
874 |
|
|
} |
875 |
|
|
|
876 |
|
|
|
877 |
|
|
/** |
878 |
|
|
* This validates a string as a valid month of the year |
879 |
|
|
* between 1 and 12 inclusive |
880 |
|
|
* is_datemonth - checks whether its a proper month |
881 |
|
|
* |
882 |
|
|
* @param string - the value to validate |
883 |
|
|
* @return TRUE = succes FALSE = failed |
884 |
|
|
*/ |
885 |
|
|
function is_datemonth($month) { |
886 |
|
|
return $this->is_within_range($month, 0, 1, 12, "INVALID_MONTH"); |
887 |
|
|
} |
888 |
|
|
|
889 |
|
|
|
890 |
|
|
/** |
891 |
|
|
* See if the year is within |
892 |
|
|
* 1800 and 3000 |
893 |
|
|
* |
894 |
|
|
* @param string - the value to validate |
895 |
|
|
* @return TRUE = succes FALSE = failed |
896 |
|
|
*/ |
897 |
|
|
function is_dateyear($year) { |
898 |
|
|
return $this->is_within_range($year, 0, 1800, 3000, "INVALID_YEAR"); |
899 |
|
|
} |
900 |
|
|
|
901 |
|
|
|
902 |
|
|
/** |
903 |
|
|
* This validates an array of values as a |
904 |
|
|
* valid date time |
905 |
|
|
* |
906 |
|
|
* NOTE: array must contain |
907 |
|
|
* array( |
908 |
|
|
* "month" => VALUE, |
909 |
|
|
* "day" => VALUE, |
910 |
|
|
* "year" => VALUE, |
911 |
|
|
* "hour" => VALUE, |
912 |
|
|
* "minutes" => VALUE, |
913 |
|
|
* "seconds" => VALUE); |
914 |
|
|
* |
915 |
|
|
* @param string - the value to validate |
916 |
|
|
* @return TRUE = succes FALSE = failed |
917 |
|
|
*/ |
918 |
|
|
function is_datetime($value) { |
919 |
|
|
$month=$value["month"]; |
920 |
|
|
$day=$value["day"]; |
921 |
|
|
$year=$value["year"]; |
922 |
|
|
|
923 |
|
|
$time[hour]=$value["hour"]; |
924 |
|
|
$time[minutes]=$value["minutes"]; |
925 |
|
|
$time[seconds]=$value["seconds"]; |
926 |
|
|
|
927 |
|
|
$date = $year."-".$month."-".$day; |
928 |
|
|
$retval = $this->is_date($date); |
929 |
|
|
if ( $retval != VALID ) { |
930 |
|
|
return $retval; |
931 |
|
|
} |
932 |
|
|
|
933 |
|
|
$retval = $this->is_time($time); |
934 |
|
|
return $retval; |
935 |
|
|
} |
936 |
|
|
|
937 |
|
|
/** |
938 |
|
|
* This validates an array of fields as a |
939 |
|
|
* valid time of the day |
940 |
|
|
* |
941 |
|
|
* NOTE: array must contain |
942 |
|
|
* array( |
943 |
|
|
* "hour" => VALUE, |
944 |
|
|
* "minutes" => VALUE, |
945 |
|
|
* "seconds" => VALUE); |
946 |
|
|
* |
947 |
|
|
* @param string - the value to validate |
948 |
|
|
* @return TRUE = succes FALSE = failed |
949 |
|
|
*/ |
950 |
|
|
function is_time($value) { |
951 |
|
|
|
952 |
|
|
$hour=$value["hour"]; |
953 |
|
|
$minutes=$value["minutes"]; |
954 |
|
|
$seconds=$value["seconds"]; |
955 |
|
|
|
956 |
|
|
$retval = $this->is_within_range($hour, 0, 0, 23, "INVALID_HOUR"); |
957 |
|
|
if ( $retval != VALID ) { |
958 |
|
|
return $retval; |
959 |
|
|
} |
960 |
|
|
|
961 |
|
|
$retval = $this->is_within_range($minutes, 0, 0, 59, "INVALID_MINUTES"); |
962 |
|
|
if ( $retval != VALID ) { |
963 |
|
|
return $retval; |
964 |
|
|
} |
965 |
|
|
|
966 |
|
|
$retval = $this->is_within_range($seconds, 0, 0, 59, "INVALID_SECONDS"); |
967 |
|
|
return $retval; |
968 |
|
|
} |
969 |
|
|
|
970 |
|
|
|
971 |
|
|
/** |
972 |
|
|
* This is just a wrapper for |
973 |
|
|
* |
974 |
|
|
* @param string - the value to validate |
975 |
|
|
* @return TRUE = succes FALSE = failed |
976 |
|
|
*/ |
977 |
|
|
function is_firstname ($firstname) { |
978 |
|
|
return $this->is_name($firstname); |
979 |
|
|
} |
980 |
|
|
|
981 |
|
|
|
982 |
|
|
/** |
983 |
|
|
* This is just a wrapper for |
984 |
|
|
* |
985 |
|
|
* @param string - the value to validate |
986 |
|
|
* @return TRUE = succes FALSE = failed |
987 |
|
|
*/ |
988 |
|
|
function is_lastname ($lastname) { |
989 |
|
|
return $this->is_name($lastname); |
990 |
|
|
} |
991 |
|
|
|
992 |
|
|
|
993 |
|
|
/** |
994 |
|
|
* This validates a string as a valid zipcode |
995 |
|
|
* |
996 |
|
|
* numbers, whitespace allowed |
997 |
|
|
* |
998 |
|
|
* @param string - the value to validate |
999 |
|
|
* @return TRUE = succes FALSE = failed |
1000 |
|
|
*/ |
1001 |
|
|
function is_zip ($zip) { |
1002 |
|
|
if ( !$this->is_alphanum($zip, "- ") ) { |
1003 |
|
|
return $this->_error("INVALID_ZIP"); |
1004 |
|
|
} |
1005 |
|
|
return TRUE; |
1006 |
|
|
} |
1007 |
|
|
|
1008 |
|
|
/** |
1009 |
|
|
* This tests a string as a valid |
1010 |
|
|
* credit card expiration date. |
1011 |
|
|
* You can pass in an optional date delimiter |
1012 |
|
|
* string. The default is - |
1013 |
|
|
* |
1014 |
|
|
* @param string - the value to validate |
1015 |
|
|
* @return TRUE = succes FALSE = failed |
1016 |
|
|
*/ |
1017 |
|
|
function is_ccexp($value, $split_by="-") { |
1018 |
|
|
|
1019 |
|
|
$ret = $this->is_date($value, $split_by); |
1020 |
|
|
if ( $ret != 1 ) { |
1021 |
|
|
return $ret; |
1022 |
|
|
} |
1023 |
|
|
|
1024 |
|
|
$x = explode($split_by, $value); |
1025 |
|
|
$year = $x[0]; |
1026 |
|
|
$month = $x[1]; |
1027 |
|
|
$day = $x[2]; |
1028 |
|
|
|
1029 |
jonen |
1.2 |
$d = explode(",",date("Y,m,d")); |
1030 |
jonen |
1.1 |
$today = $d[0] * 10000 + $d[1]; |
1031 |
|
|
$exp = $year * 10000 + $month; |
1032 |
|
|
if ( $exp < $today ) { |
1033 |
|
|
return $this->_error("CCEXP"); |
1034 |
|
|
} |
1035 |
|
|
if ( $year - $d[0] > 30 ) { |
1036 |
|
|
return $this->_error("CCEXP_TOO_FAR"); |
1037 |
|
|
} |
1038 |
|
|
return TRUE; |
1039 |
|
|
} |
1040 |
|
|
|
1041 |
|
|
/** |
1042 |
|
|
* This validates a string as a valid "country code" |
1043 |
|
|
* which is a 2 alphanumerical character string |
1044 |
|
|
* |
1045 |
|
|
* @param string - the value to validate |
1046 |
|
|
* @return TRUE = succes FALSE = failed |
1047 |
|
|
*/ |
1048 |
|
|
function is_countrycode($value) { |
1049 |
|
|
if ( (!$this->is_alphanum($value)) || ((strlen($value) != 2)) ) { |
1050 |
|
|
return $this->_error("INVALID_FIELD"); |
1051 |
|
|
} |
1052 |
|
|
return TRUE; |
1053 |
|
|
} |
1054 |
|
|
|
1055 |
|
|
/** |
1056 |
|
|
* This method validates a string as a valid url |
1057 |
|
|
* It inclues the prefix, hostname/ip, port number |
1058 |
|
|
* and path. |
1059 |
|
|
* |
1060 |
|
|
* NOTE: format is in |
1061 |
|
|
* [http://] hostip [:port number] [path] |
1062 |
|
|
* |
1063 |
|
|
* @param string - the value to validate |
1064 |
|
|
* @return TRUE = succes FALSE = failed |
1065 |
|
|
*/ |
1066 |
|
|
function is_url($url) { |
1067 |
|
|
// The first few characters could be http://. If so, remove them |
1068 |
|
|
$url = ereg_replace("^http:\/\/", "", $url); |
1069 |
|
|
|
1070 |
|
|
// Get the location of first : or '/' |
1071 |
|
|
$len = strcspn($url, ":\/"); |
1072 |
|
|
$host = substr($url, 0, $len); |
1073 |
|
|
$validate = $this->is_hostip($host); |
1074 |
|
|
if ( $validate != 1 ) { |
1075 |
|
|
return $validate; |
1076 |
|
|
} |
1077 |
|
|
|
1078 |
|
|
$rest = substr($url, $len); |
1079 |
|
|
|
1080 |
|
|
// Extract and verify the port number, if specified. |
1081 |
|
|
if ( ereg("^(:)([^\/]*)(.*)", $rest, $regs) ) { |
1082 |
|
|
$port_num = $regs[2]; |
1083 |
|
|
if ( !$this->is_num($port_num) ) { |
1084 |
|
|
return $this->_error("INVALID_PORT_NUM"); |
1085 |
|
|
} |
1086 |
|
|
$rest = $regs[3]; |
1087 |
|
|
} |
1088 |
|
|
|
1089 |
|
|
// The path field may be null |
1090 |
|
|
if ( ereg("^[[:space:]]*$", $rest) ) { |
1091 |
|
|
return TRUE; |
1092 |
|
|
} |
1093 |
|
|
|
1094 |
|
|
return $this->is_urlpath($rest); |
1095 |
|
|
} |
1096 |
|
|
|
1097 |
|
|
/** |
1098 |
|
|
* This method validates a strict url. |
1099 |
|
|
* It is the same as is_url, except that it requires |
1100 |
|
|
* the prefix http:// |
1101 |
|
|
* |
1102 |
|
|
* @param string - the value to validate |
1103 |
|
|
* @return TRUE = succes FALSE = failed |
1104 |
|
|
*/ |
1105 |
|
|
function is_strict_url($url) { |
1106 |
|
|
|
1107 |
|
|
$decoded_url = parse_url( $url ); |
1108 |
|
|
if ( !$decoded_url["scheme"] ) { |
1109 |
|
|
//looks like they didn't provide the scheme |
1110 |
|
|
return $this->_error("INVALID_URL"); |
1111 |
|
|
} |
1112 |
|
|
return $this->is_url($url); |
1113 |
|
|
} |
1114 |
|
|
|
1115 |
|
|
|
1116 |
|
|
/** |
1117 |
|
|
* Validate if the string is a good candidate |
1118 |
|
|
* to become an Title |
1119 |
|
|
* |
1120 |
|
|
* @param string - the value to validate |
1121 |
|
|
* @return TRUE = succes FALSE = failed |
1122 |
|
|
*/ |
1123 |
|
|
function is_title($name) { |
1124 |
|
|
if ( !$this->is_alphanum($name," ") ) |
1125 |
|
|
return "Only alpha-numeric characters are allowed"; |
1126 |
|
|
return TRUE; |
1127 |
|
|
} |
1128 |
|
|
|
1129 |
|
|
|
1130 |
|
|
|
1131 |
|
|
/** |
1132 |
|
|
* Validate domain |
1133 |
|
|
* Will check if a domain is valid |
1134 |
|
|
* |
1135 |
|
|
* @param string - the value to validate |
1136 |
|
|
* @return TRUE = succes FALSE = failed |
1137 |
|
|
*/ |
1138 |
|
|
function is_valid_domain($domain_value, $allow_www=false) { |
1139 |
|
|
|
1140 |
|
|
// we allow 'none' as empty domain |
1141 |
|
|
if ( $domain_value=='none' ) return TRUE; |
1142 |
|
|
|
1143 |
|
|
// allow uppercase domains |
1144 |
|
|
$domain_value = strtolower($domain_value); |
1145 |
|
|
|
1146 |
|
|
if ( !ereg( "^(([a-z0-9]{1,63}|([a-z0-9][a-z0-9\-]{1,61}[a-z0-9]))\.)+[a-z]{2,4}$", $domain_value) ) { |
1147 |
|
|
return $domain_value . " is not RFC compliant"; |
1148 |
|
|
} else if ( !$allow_www && ereg( "^www\.", $domain_value) ) { |
1149 |
|
|
return $domain_value . " is invalid."; |
1150 |
|
|
} |
1151 |
|
|
return TRUE; |
1152 |
|
|
} |
1153 |
|
|
|
1154 |
|
|
/** |
1155 |
|
|
* no comment |
1156 |
|
|
* |
1157 |
|
|
*/ |
1158 |
|
|
function is_host($host) { |
1159 |
|
|
return $this->is_valid_domain($host, TRUE); |
1160 |
|
|
} |
1161 |
|
|
|
1162 |
|
|
/** |
1163 |
|
|
* no comment |
1164 |
|
|
* |
1165 |
|
|
*/ |
1166 |
|
|
function is_hostlist($hostlist) { |
1167 |
|
|
$a = explode(",", str_replace(" ", "", $hostlist)); |
1168 |
|
|
foreach ($a as $host) { |
1169 |
|
|
$r = $this->is_valid_domain($host, TRUE); |
1170 |
|
|
if ( $r !== TRUE ) |
1171 |
|
|
return $r; |
1172 |
|
|
} |
1173 |
|
|
return TRUE; |
1174 |
|
|
} |
1175 |
|
|
} |
1176 |
|
|
?> |