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-rw-r--r--system/database/DB.php216
1 files changed, 136 insertions, 80 deletions
diff --git a/system/database/DB.php b/system/database/DB.php
index d74738a03..c19eef72c 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -1,100 +1,141 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Initialize the database
*
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
- * @param string
- * @param bool Determines if active record should be used or not
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
+ *
+ * @param string|string[] $params
+ * @param bool $query_builder_override
+ * Determines if query builder should be used or not
*/
-function &DB($params = '', $active_record_override = NULL)
+function &DB($params = '', $query_builder_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
- if (is_string($params) AND strpos($params, '://') === FALSE)
+ if (is_string($params) && strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
- if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php'))
+ if ( ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')
+ && ! file_exists($file_path = APPPATH.'config/database.php'))
{
- if ( ! file_exists($file_path = APPPATH.'config/database.php'))
- {
- show_error('The configuration file database.php does not exist.');
- }
+ show_error('The configuration file database.php does not exist.');
}
include($file_path);
- if ( ! isset($db) OR count($db) == 0)
+ // Make packages contain database config files,
+ // given that the controller instance already exists
+ if (class_exists('CI_Controller', FALSE))
+ {
+ foreach (get_instance()->load->get_package_paths() as $path)
+ {
+ if ($path !== APPPATH)
+ {
+ if (file_exists($file_path = $path.'config/'.ENVIRONMENT.'/database.php'))
+ {
+ include($file_path);
+ }
+ elseif (file_exists($file_path = $path.'config/database.php'))
+ {
+ include($file_path);
+ }
+ }
+ }
+ }
+
+ if ( ! isset($db) OR count($db) === 0)
{
show_error('No database connection settings were found in the database config file.');
}
- if ($params != '')
+ if ($params !== '')
{
$active_group = $params;
}
- if ( ! isset($active_group) OR ! isset($db[$active_group]))
+ if ( ! isset($active_group))
+ {
+ show_error('You have not specified a database connection group via $active_group in your config/database.php file.');
+ }
+ elseif ( ! isset($db[$active_group]))
{
- show_error('You have specified an invalid database connection group.');
+ show_error('You have specified an invalid database connection group ('.$active_group.') in your config/database.php file.');
}
$params = $db[$active_group];
}
elseif (is_string($params))
{
-
- /* parse the URL from the DSN string
- * Database settings can be passed as discreet
- * parameters or as a data source name in the first
- * parameter. DSNs must have this prototype:
- * $dsn = 'driver://username:password@hostname/database';
+ /**
+ * Parse the URL from the DSN string
+ * Database settings can be passed as discreet
+ * parameters or as a data source name in the first
+ * parameter. DSNs must have this prototype:
+ * $dsn = 'driver://username:password@hostname/database';
*/
-
- if (($dns = @parse_url($params)) === FALSE)
+ if (($dsn = @parse_url($params)) === FALSE)
{
show_error('Invalid DB Connection String');
}
$params = array(
- 'dbdriver' => $dns['scheme'],
- 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '',
- 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '',
- 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '',
- 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : ''
- );
-
- // were additional config items set?
- if (isset($dns['query']))
+ 'dbdriver' => $dsn['scheme'],
+ 'hostname' => isset($dsn['host']) ? rawurldecode($dsn['host']) : '',
+ 'port' => isset($dsn['port']) ? rawurldecode($dsn['port']) : '',
+ 'username' => isset($dsn['user']) ? rawurldecode($dsn['user']) : '',
+ 'password' => isset($dsn['pass']) ? rawurldecode($dsn['pass']) : '',
+ 'database' => isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : ''
+ );
+
+ // Were additional config items set?
+ if (isset($dsn['query']))
{
- parse_str($dns['query'], $extra);
+ parse_str($dsn['query'], $extra);
foreach ($extra as $key => $val)
{
- // booleans please
- if (strtoupper($val) == "TRUE")
- {
- $val = TRUE;
- }
- elseif (strtoupper($val) == "FALSE")
+ if (is_string($val) && in_array(strtoupper($val), array('TRUE', 'FALSE', 'NULL')))
{
- $val = FALSE;
+ $val = var_export($val, TRUE);
}
$params[$key] = $val;
@@ -102,61 +143,76 @@ function &DB($params = '', $active_record_override = NULL)
}
}
- // No DB specified yet? Beat them senseless...
- if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')
+ // No DB specified yet? Beat them senseless...
+ if (empty($params['dbdriver']))
{
show_error('You have not selected a database type to connect to.');
}
- // Load the DB classes. Note: Since the active record class is optional
+ // Load the DB classes. Note: Since the query builder class is optional
// we need to dynamically create a class that extends proper parent class
- // based on whether we're using the active record class or not.
- // Kudos to Paul for discovering this clever use of eval()
-
- if ($active_record_override !== NULL)
+ // based on whether we're using the query builder class or not.
+ if ($query_builder_override !== NULL)
{
- $active_record = $active_record_override;
+ $query_builder = $query_builder_override;
+ }
+ // Backwards compatibility work-around for keeping the
+ // $active_record config variable working. Should be
+ // removed in v3.1
+ elseif ( ! isset($query_builder) && isset($active_record))
+ {
+ $query_builder = $active_record;
}
require_once(BASEPATH.'database/DB_driver.php');
- if ( ! isset($active_record) OR $active_record == TRUE)
+ if ( ! isset($query_builder) OR $query_builder === TRUE)
{
- require_once(BASEPATH.'database/DB_active_rec.php');
-
- if ( ! class_exists('CI_DB'))
+ require_once(BASEPATH.'database/DB_query_builder.php');
+ if ( ! class_exists('CI_DB', FALSE))
{
- eval('class CI_DB extends CI_DB_active_record { }');
+ /**
+ * CI_DB
+ *
+ * Acts as an alias for both CI_DB_driver and CI_DB_query_builder.
+ *
+ * @see CI_DB_query_builder
+ * @see CI_DB_driver
+ */
+ class CI_DB extends CI_DB_query_builder { }
}
}
- else
+ elseif ( ! class_exists('CI_DB', FALSE))
{
- if ( ! class_exists('CI_DB'))
- {
- eval('class CI_DB extends CI_DB_driver { }');
- }
+ /**
+ * @ignore
+ */
+ class CI_DB extends CI_DB_driver { }
}
- require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php');
+ // Load the DB driver
+ $driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php';
+
+ file_exists($driver_file) OR show_error('Invalid DB driver');
+ require_once($driver_file);
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
- if ($DB->autoinit == TRUE)
+ // Check for a subdriver
+ if ( ! empty($DB->subdriver))
{
- $DB->initialize();
- }
+ $driver_file = BASEPATH.'database/drivers/'.$DB->dbdriver.'/subdrivers/'.$DB->dbdriver.'_'.$DB->subdriver.'_driver.php';
- if (isset($params['stricton']) && $params['stricton'] == TRUE)
- {
- $DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"');
+ if (file_exists($driver_file))
+ {
+ require_once($driver_file);
+ $driver = 'CI_DB_'.$DB->dbdriver.'_'.$DB->subdriver.'_driver';
+ $DB = new $driver($params);
+ }
}
+ $DB->initialize();
return $DB;
}
-
-
-
-/* End of file DB.php */
-/* Location: ./system/database/DB.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-08 15:02:11 +0100