install.php

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<?php

      /*
      *     This source code is a part of the Ultimix Project. 
      *     It is distributed under BSD licence. All other third side source code (like tinyMCE) is distributed under 
      *     it's own licence 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
      */

      require_once( './packages/core/core.php' );
      require_once( './include/php/startup.php' );
      
      @unlink( './packages/cache/data/cache' );
      @unlink( './packages/cache/data/table' );
      
      function                install_step_1()
      {
            $CachedFS = get_package( 'cached_fs' );
            $Page = $CachedFS->file_get_contents( "./install/res/templates/install_template_1.tpl" );
            print( $Page );
            exit( 0 );
      }
      
      function                handle_connection_error( $Silent )
      {
            if( $Silent === false )
            {
                  $CachedFS = get_package( 'cached_fs' );
                  $Page = $CachedFS->file_get_contents( "./install/res/templates/install_template_2.tpl" );
                  $Page = str_replace( '{error_message}' , 'An error occured while database connection' , $Page );

                  $Security = get_package( 'security' );

                  $PlaceHolders = array( '{host}' , '{database}' , '{prefix}' , '{user}' , '{password}' );
                  $Data = array( 
                        $Security->get_gp( 'host' , 'string' , '' ) , $Security->get_gp( 'database' , 'string' , '' ) , 
                        $Security->get_gp( 'prefix' , 'string' , '' ) , $Security->get_gp( 'user' , 'string' , '' ) , 
                        $Security->get_gp( 'password' , 'string' , '' )
                  );
                  $Page = str_replace( $PlaceHolders , $Data , $Page );

                  print( $Page );
                  exit( 0 );
            }
      }
      
      function                handle_step_2( $Host , $Database , $Prefix , $User , $Password , $Silent = false )
      {
            $DatabaseAlgorithms = get_package( 'database::database_algorithms' , 'last' , __FILE__ );
            $CachedFS = get_package( 'cached_fs' );
            $CachedFS->file_put_contents( 
                  "packages/_core_data/conf/cf_mysql_database" , "$Host#$User#$Password#$Database#$Prefix"
            );
            
            if( $DatabaseAlgorithms->try_connect() )
            {
                  $DBScript = file_get_contents( './install/sql/data.sql' , 'cleaned' );
                  $DBScript = str_replace( '{prefix}' , $Prefix , $DBScript );
                  $DatabaseAlgorithms->execute_query_set( $DBScript );
                  if( $Silent === false )
                  {
                        header( 'Location: ./install.php?page=3' );
                        exit( 0 );
                  }
            }
            else
            {
                  handle_connection_error( $Silent );
            }
      }
      
      function                      show_step_2_form()
      {
            $CachedFS = get_package( 'cached_fs' );
            $Page = $CachedFS->file_get_contents( "./install/res/templates/install_template_2.tpl" );
            
            $Needles = array( '{host}' , '{user}' , '{password}' , '{database}' , '{prefix}' , '{error_message}' );
            
            $Config = $CachedFS->file_get_contents( "packages/_core_data/conf/cf_mysql_database" );
            $Replacements = array_merge( explode( '#' , $Config ) , array( '' ) );
            
            print( str_replace( $Needles , $Replacements , $Page ) );
            exit( 0 );
      }
      
      function                install_step_2( $Silent = false )
      {
            $Security = get_package( 'security' );

            if( $Security->get_gp( 'setup_db' ) )
            {
                  handle_step_2( 
                        $Security->get_gp( 'host' , 'string' , '' ) , $Security->get_gp( 'database' , 'string' , '' ) , 
                        $Security->get_gp( 'prefix' , 'string' , '' ) , $Security->get_gp( 'user' , 'string' , '' ) , 
                        $Security->get_gp( 'password' , 'string' , '' ) , $Silent
                  );
            }
            else
            {
                  show_step_2_form();
            }
      }
      
      function                handle_step_3( $HttpHost , $Silent = false )
      {
            $HttpHost = rtrim( $HttpHost , '/\\' );
            $HtAccess = file_get_contents( './install/res/templates/tpl.htaccess' );
            $HtAccess = str_replace( '{http_host}' , $HttpHost , $HtAccess );
            file_put_contents( '.htaccess' , $HtAccess );
            
            file_put_contents( 
                  './packages/_core_data/conf/cf_settings' , "HTTP_HOST=$HttpHost\r\nGZIP_TRAFFIC=false"
            );
            
            if( $Silent === false )
            {
                  header( 'Location: ./install.php?page=4' );
                  exit( 0 );
            }
      }
      
      function                install_step_3( $HttpHost , $Silent = false )
      {
            $CachedFS = get_package( 'cached_fs' );
            $Security = get_package( 'security' );
            
            if( $HttpHost === false )
            {
                  if( $Silent === false )
                  {
                        $Page = $CachedFS->file_get_contents( "./install/res/templates/install_template_3.tpl" );
                        $Page = str_replace( 
                              '{http_root}' , 
                              rtrim( 'http://'.$_SERVER[ 'SERVER_NAME' ].dirname( $_SERVER[ 'REQUEST_URI' ] ) , '/\\' ) , 
                              $Page
                        );
                        print( $Page );
                        exit( 0 );
                  }
            }
            else
            {
                  handle_step_3( $HttpHost , $Silent );
            }
      }
      
      function                install_step_4()
      {
            $CachedFS = get_package( 'cached_fs' );
            $Page = $CachedFS->file_get_contents( "./install/res/templates/install_template_4.tpl" );
            print( $Page );
            exit( 0 );
      }
      
      function                handle_installation_steps()
      {
            $Security = get_package( 'security' );
            $Page = $Security->get_gp( 'page' , 'integer' , 1 );
            
            switch( $Page )
            {
                  case( 1 ):install_step_1();
                  
                  case( 2 ):install_step_2( false );
                  
                  case( 3 ):
                        install_step_3( $Security->get_gp( 'http_root' , 'string' , false ) , false );
                  break;
                  
                  case( 4 ):install_step_4();
            }
      }
      
      function                run_installation_wizard()
      {
            try
            {
                  if( isset( $_GET[ 'auto_install' ] ) === true )
                  {
                        $DBS = file_get_contents( './install/conf/cf_db_settings' );
                        $DBS = explode( '#' , $DBS );
                        
                        install_step_2( $DBS[ 0 ] , $DBS[ 1 ] , $DBS[ 2 ] , $DBS[ 3 ] , $DBS[ 4 ] , true );
                        
                        $HttpHost = rtrim( 'http://'.$_SERVER[ 'SERVER_NAME' ].dirname( $_SERVER[ 'REQUEST_URI' ] ) , '/\\' );
                        install_step_3( $HttpHost , true );
                  }
                  else
                  {
                        handle_installation_steps();
                  }
            }
            catch( Exception $e )
            {
                  handle_script_error( true , $e );
            }
      }
      
      /* running wizard */
      run_installation_wizard();
?>