custom_validations.php

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<?php

      /*
      *     This source code is a part of the Ultimix Project. 
      *     It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under 
      *     it's own license wich could be found from the corresponding files or sources. 
      *     This source code is provided "as is" without any warranties or garanties.
      *
      *     Have a nice day!
      *
      *     @url http://ultimix.sorceforge.net
      *
      *     @author Alexey "gdever" Dodonov
      */

      class custom_validations_1_0_0{
      
            var                           $Messages = false;
            var                           $Security = false;
            var                           $UserAlgorithms = false;
      
            function                __construct()
            {
                  try
                  {
                        $this->Messages = get_package( 'page::messages' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                        $this->UserAlgorithms = get_package( 'user::user_algorithms' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                custom_validation_login_exists( $Pair )
            {
                  try
                  {
                        $Result = $this->UserAlgorithms->user_exists( $this->Security->get_gp( $Pair[ 1 ] , 'string' ) );
                        
                        if( $Result === false )
                        {
                              $this->Messages->add_error_message( 'user_does_not_exist' );
                        }
                        
                        return( $Result );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                custom_validation_login_does_not_exist( $Pair )
            {
                  try
                  {
                        $Result = $this->UserAlgorithms->user_exists( $this->Security->get_gp( $Pair[ 1 ] , 'string' ) );
                        
                        if( $Result !== false )
                        {
                              $this->Messages->add_error_message( 'user_already_exists' );
                        }
                        
                        return( $Result );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                custom_validation_page_exists( $Pair )
            {
                  try
                  {
                        $PageAccess = get_package( 'page::page_access' , 'last' , __FILE__ );
                        
                        if( $PageAccess->get_page_description( $this->Security->get_gp( $Pair[ 1 ] , 'string' ) ) !== false )
                        {
                              return( true );
                        }
                        
                        return( false );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                custom_validation_page_does_not_exist( $Pair )
            {
                  try
                  {
                        $PageAccess = get_package( 'page::page_access' , 'last' , __FILE__ );
                        
                        if( $PageAccess->get_page_description( $this->Security->get_gp( $Pair[ 1 ] , 'string' ) ) === false )
                        {
                              return( false );
                        }
                        
                        return( true );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                custom_validation_captcha( $Pair )
            {
                  try
                  {
                        $Security = get_package( 'security' , 'last' , __FILE__ );
                        $Captcha = get_package( 'captcha' , 'last' , __FILE__ );
                        
                        $Result = $Captcha->validate_captcha( $Security->get_p( 'captcha' , 'command' , rand() ) , $Options );
                        
                        if( $Result === false )
                        {
                              $this->Messages->add_error_message( 'captcha_error' );
                        }
                        
                        return( $Result );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            private function  validations( $Pair )
            {
                  try
                  {
                        switch( $Pair[ 0 ] )
                        {
                              case( 'login_exists' ):return( $this->custom_validation_login_exists( $Pair ) );
                              case( 'login_does_not_exist' ):return( $this->custom_validation_login_does_not_exist( $Pair ) );
                              case( 'page_exists' ):return( $this->custom_validation_page_exists( $Pair ) );
                              case( 'page_does_not_exist' ):return( $this->custom_validation_page_does_not_exist( $Pair ) );
                              case( 'captcha' ):return( $this->custom_validation_captcha( $Pair ) );
                              
                              default:throw( new Exception( 'Undefined predicate '.$Pair[ 0 ] ) );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                custom_validation( $ValidationScript , $Options )
            {
                  try
                  {
                        $ValidationScript = explode( ";" , $ValidationScript );
                        
                        foreach( $ValidationScript as $vs )
                        {
                              $Pair = explode( ':' , $vs );

                              if( $this->validations( $Pair ) === false )
                              {
                                    return( false );
                              }
                        }
                        
                        return( true );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }
      
?>