installer_lib.php | searchcode

/install/libraries/installer_lib.php

https://gitlab.com/rameshgurung/emi
PHP | 301 lines | 243 code | 51 blank | 7 comment | 25 complexity | a791c179a715ea2dccc69ee05c1bbf9f MD5 | raw file

<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');



class Installer_lib {



	private $ci;

	public $php_version;

	public $mysql_server_version;

	public $mysql_client_version;

	public $gd_version;



	function __construct()

	{

		$this->ci =& get_instance();

	}





	function php_acceptable($version = NULL)

	{

		$this->php_version = phpversion();



		return ( version_compare(PHP_VERSION, $version, '>=') ) ? TRUE : FALSE;

	}





	/**

	 * @param 	string $type The MySQL type, client or server

	 * @return 	string The MySQL version of either the server or the client

	 *

	 * Function to retrieve the MySQL version (client/server)

	 */

	public function mysql_acceptable($type = 'server')

	{

		if ($type == 'server')

		{

			$server 	= $this->ci->session->userdata('hostname') . ':' . $this->ci->session->userdata('port');

			$username 	= $this->ci->session->userdata('username');

			$password 	= $this->ci->session->userdata('password');



			if ( $db = @mysql_connect($server,$username,$password) )

			{

				$this->mysql_server_version = @mysql_get_server_info($db);

				@mysql_close($db);

				return ($this->mysql_server_version >= 5) ? TRUE : FALSE;

			}

			else

			{

				@mysql_close($db);

				return FALSE;

			}

		}



		else

		{

			$this->mysql_client_version = preg_replace('/[^0-9\.]/','', mysql_get_client_info());

			return ($this->mysql_client_version >= 5) ? TRUE : FALSE;

		}

	}



	public function gd_acceptable()

	{

		if (function_exists('gd_info'))

		{

			$gd_info = gd_info();

			$this->gd_version = preg_replace('/[^0-9\.]/','',$gd_info['GD Version']);

			return ($this->gd_version >= 1) ? TRUE : FALSE;

		}

		else

		{

			return FALSE;

		}

	}



	public function zlib_enabled()

	{

		return extension_loaded('zlib');

	}



	public function check_server($data)

	{

		if ( ! $this->php_acceptable($data->php_min_version) )

		{

			

			return FALSE;

		}

		if ( ! $this->mysql_acceptable('server') )

		{

			return FALSE;

		}

		if ( ! $this->mysql_acceptable('client') )

		{

			return FALSE;

		}



		if ( $this->gd_acceptable() === FALSE || $this->zlib_enabled() === FALSE)

		{

			return 'partial';

		}

		return TRUE;



	}



	public function verify_http_server($server_name)

	{

		if ($server_name == 'other')

		{

			return 'partial';

		}



		$supported_servers = $this->ci->config->item('supported_servers');



		return array_key_exists($server_name, $supported_servers);

	}



	 public function validate_mysql_db_name($db_name)

	 {

	 	$expr = '/[^A-Za-z0-9_-]+/';

	 	return !(preg_match($expr,$db_name)>0);

	 }



	public function test_db_connection()

	{

		$hostname = $this->ci->session->userdata('hostname');

		$username = $this->ci->session->userdata('username');

		$password = $this->ci->session->userdata('password');

		$port	  = $this->ci->session->userdata('port');



		return @mysql_connect("$hostname:$port", $username, $password);

	}



	public function install($data)

	{

		$server 	= $this->ci->session->userdata('hostname') . ':' . $this->ci->session->userdata('port');

		$username 	= $this->ci->session->userdata('username');

		$password 	= $this->ci->session->userdata('password');

		$database 	= $data['database'];



		$user_salt		= substr(md5(uniqid(rand(), true)), 0, 5);

		$data['user_password'] 	= sha1($data['user_password'] . $user_salt);



		include '../system/cms/config/migration.php';



		$user_sql = file_get_contents('./sql/default.sql');

		$user_sql = str_replace('{PREFIX}', $data['site_ref'].'_', $user_sql);

		$user_sql = str_replace('{EMAIL}', $data['user_email'], $user_sql);

		$user_sql = str_replace('{USER-NAME}', mysql_escape_string($data['user_name']), $user_sql);

		$user_sql = str_replace('{DISPLAY-NAME}', mysql_escape_string($data['user_firstname'] . ' ' . $data['user_lastname']), $user_sql);

		$user_sql = str_replace('{PASSWORD}', mysql_escape_string($data['user_password']), $user_sql);

		$user_sql = str_replace('{FIRST-NAME}', mysql_escape_string($data['user_firstname']), $user_sql);

		$user_sql = str_replace('{LAST-NAME}', mysql_escape_string($data['user_lastname']) , $user_sql);

		$user_sql = str_replace('{SALT}', $user_salt, $user_sql);

		$user_sql = str_replace('{NOW}', time(), $user_sql);

		$user_sql = str_replace('{MIGRATION}', $config['migration_version'], $user_sql);



		if ( ! $this->db = mysql_connect($server, $username, $password) )

		{

			return array('status' => FALSE,'message' => 'The installer could not connect to the MySQL server or the database, be sure to enter the correct information.');

		}

		

		if ($this->mysql_server_version >= '5.0.7')

		{

			@mysql_set_charset('utf8', $this->db);

		}



		if ( ! empty($data['create_db'] ))

		{

			mysql_query('CREATE DATABASE IF NOT EXISTS '.$database, $this->db);

		}

		if ( !mysql_select_db($database, $this->db) )

		{

			return array(

				'status'	=> FALSE,

				'message'	=> '',

				'code'		=> 101

			);

		}



		if ( ! $this->_process_schema($user_sql, FALSE) )

		{

			return array(

				'status'	=> FALSE,

				'message'	=> mysql_error($this->db),

				'code'		=> 104

			);

		}



		mysql_query(sprintf(

			"INSERT INTO core_sites (name, ref, domain, created_on) VALUES ('Default Site', '%s', '%s', '%s');",

			$data['site_ref'],

			preg_replace('/^www\./', '', $_SERVER['SERVER_NAME']),

			time()

		));



		mysql_close($this->db);

		if ( ! $this->write_db_file($database) )

		{

			return array(

						'status'	=> FALSE,

						'message'	=> '',

						'code'		=> 105

					);

		}

		if ( ! $this->write_config_file() )

		{

			return array(

						'status'	=> FALSE,

						'message'	=> '',

						'code'		=> 106

					);

		}



		return array('status' => TRUE);

	}



	private function _process_schema($schema_file, $is_file = TRUE)

	{

		if ( $is_file == TRUE )

		{

			$schema 	= file_get_contents('./sql/' . $schema_file . '.sql');

		}

		else

		{

			$schema 	= $schema_file;

		}

		$queries 	= explode('-- command split --', $schema);



		foreach($queries as $query)

		{

			$query = rtrim( trim($query), "\n;");



			@mysql_query($query, $this->db);



			if (mysql_errno($this->db) > 0)

			{

				return FALSE;

			}

		}



		return TRUE;

	}



	function write_db_file($database)

	{

		$server 	= $this->ci->session->userdata('hostname');

		$username 	= $this->ci->session->userdata('username');

		$password 	= $this->ci->session->userdata('password');

		$port		= $this->ci->session->userdata('port');



		$template 	= file_get_contents('./assets/config/database.php');



		$replace = array(

			'__HOSTNAME__' 	=> $server,

			'__USERNAME__' 	=> $username,

			'__PASSWORD__' 	=> $password,

			'__DATABASE__' 	=> $database,

			'__PORT__' 		=> $port ? $port : 3306

		);



		$new_file  	= str_replace(array_keys($replace), $replace, $template);



		$handle 	= @fopen('../system/cms/config/database.php','w+');



		if ($handle !== FALSE)

		{

			return @fwrite($handle, $new_file);

		}



		return FALSE;

	}



	function write_config_file()

	{

		$template = file_get_contents('./assets/config/config.php');



		$server_name = $this->ci->session->userdata('http_server');

		$supported_servers = $this->ci->config->item('supported_servers');

		if ($supported_servers[$server_name]['rewrite_support'] !== FALSE)

		{

			$index_page = '';

		}



		else

		{

			$index_page = 'index.php';

		}

		$new_file = str_replace('__INDEX__', $index_page, $template);

		$handle = @fopen('../system/cms/config/config.php','w+');

		if ($handle !== FALSE)

		{

			return fwrite($handle, $new_file);

		}



		return FALSE;

	}



	public function curl_enabled()

    {

		return (bool) function_exists('curl_init');

    }

}



/* End of file installer_lib.php */