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<?php
/**
* Akeeba Engine
* The modular PHP5 site backup engine
* @copyright Copyright (c)2009-2012 Nicholas K. Dionysopoulos
* @license GNU GPL version 3 or, at your option, any later version
* @package akeebaengine
* @version $Id: platform.php 900 2011-09-11 07:10:50Z nikosdion $
*/
class AEPlatformAbstract implements AEPlatformInterface
{
public $priority = 50;
public $platformName = null;
public $configOverrides = array();
public function getPlatformDirectories()
{
return array(dirname(__FILE__).'/'.$this->platformName);
}
public function isThisPlatform()
{
return true;
}
public function register_autoloader()
{
}
/**
* Saves the current configuration to the database table
* @param int $profile_id The profile where to save the configuration to, defaults to current profile
* @return bool True if everything was saved properly
*/
public function save_configuration($profile_id = null)
{
// Load Joomla! database class
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
// Get the active profile number, if no profile was specified
if(is_null($profile_id))
{
$profile_id = $this->get_active_profile();
}
// Get an INI format registry dump
$registry =& AEFactory::getConfiguration();
$dump_profile = $registry->exportAsINI();
// Encrypt the registry dump if required
$dump_profile = AEUtilSecuresettings::encryptSettings($dump_profile);
// Write the local profile's configuration data
$sql = 'UPDATE '.$db->nameQuote('#__ak_profiles').' SET '.
$db->nameQuote('configuration').' = '.$db->Quote($dump_profile)
.' WHERE '.
$db->nameQuote('id').' = '. $db->Quote($profile_id);
$db->setQuery($sql);
if($db->query() === false)
{
return false;
//JError::raiseError(500,'Can\'t save Akeeba Configuration','SQL Query<br/>'.$db->getQuery().'<br/>SQL Error:'.$db->getError());
}
return true;
}
/**
* Loads the current configuration off the database table
* @param int $profile_id The profile where to read the configuration from, defaults to current profile
* @return bool True if everything was read properly
*/
public function load_configuration($profile_id = null)
{
// Load Joomla! database class
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
// Get the active profile number, if no profile was specified
if(is_null($profile_id))
{
$profile_id = $this->get_active_profile();
}
// Initialize the registry
$registry =& AEFactory::getConfiguration();
$registry->reset();
// Load the INI format local configuration dump off the database
$sql = "SELECT ".$db->nameQuote('configuration').' FROM '.$db->nameQuote('#__ak_profiles')
.' WHERE '.
$db->nameQuote('id').' = '.$db->Quote($profile_id);
$db->setQuery($sql);
$ini_data_local = $db->loadResult();
if( empty($ini_data_local) || is_null($ini_data_local) )
{
// No configuration was saved yet - store the defaults
$this->save_configuration($profile_id);
}
else
{
// Configuration found. Convert to array format.
if(function_exists('get_magic_quotes_runtime'))
{
if(@get_magic_quotes_runtime())
{
$ini_data_local = stripslashes($ini_data_local);
}
}
// Decrypt the data if required
$ini_data_local = AEUtilSecuresettings::decryptSettings($ini_data_local);
$ini_data_local = AEUtilINI::parse_ini_file_php($ini_data_local, true, true);
$ini_data = array();
foreach($ini_data_local as $section => $row)
{
if(!empty($row))
{
foreach($row as $key => $value)
{
$ini_data["$section.$key"] = $value;
}
}
}
unset($ini_data_local);
// Import the configuration array
$registry->mergeArray($ini_data, false, false);
}
// Apply config overrides
if(is_array($this->configOverrides) && !empty($this->configOverrides)) {
AEFactory::getConfiguration()->mergeArray($this->configOverrides, false, false);
}
$registry->activeProfile = $profile_id;
}
public function get_stock_directories()
{
return array();
}
public function get_site_root()
{
return '';
}
public function get_installer_images_path()
{
return '';
}
public function get_active_profile()
{
return 1;
}
public function get_profile_name($id = null)
{
return '';
}
public function get_backup_origin()
{
return 'backend';
}
public function get_timestamp_database($date = 'now')
{
return '';
}
public function get_local_timestamp($format)
{
return '';
}
public function get_host()
{
return '';
}
public function get_default_database_driver( $use_platform = true )
{
return 'AEDriverMysqli';
}
/**
* Creates or updates the statistics record of the current backup attempt
* @param int $id Backup record ID, use null for new record
* @param array $data The data to store
* @param AEAbstractObject $caller The calling object
* @return int|null|bool The new record id, or null if this doesn't apply, or false if it failed
*/
public function set_or_update_statistics( $id = null, $data = array(), &$caller )
{
if(!is_array($data)) return null; // No valid data?
if( empty($data) ) return null; // No data at all?
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
if( is_null($id) )
{
// Create a new record
$sql_fields = '';
$sql_values = '';
foreach($data as $key => $value)
{
$sql_fields .= ( !empty($sql_fields) ? ',' : '' ) . $db->nameQuote($key);
$sql_values .= ( !empty($sql_values) ? ',' : '' ) . $db->Quote($value);
}
$sql = 'INSERT INTO '.$db->nameQuote('#__ak_stats').' ('.$sql_fields.') VALUES ('.
$sql_values.')';
$db->setQuery($sql);
if($db->query() == false)
{
$db->propagateToObject($caller);
return false;
}
return $db->insertid();
}
else
{
$sql_set = '';
foreach($data as $key => $value)
{
if($key == 'id') continue;
$sql_set .= ( !empty($sql_set) ? ',' : '' );
$sql_set .= $db->nameQuote($key).'='.$db->Quote($value);
}
$sql = 'UPDATE '.$db->nameQuote('#__ak_stats').' SET '.$sql_set.' WHERE '.
$db->nameQuote('id').'='.$db->Quote($id);
$db->setQuery($sql);
$ret = $db->query();
$db->propagateToObject($caller);
return null;
}
}
/**
* Loads and returns a backup statistics record as a hash array
* @param int $id Backup record ID
* @return array
*/
public function get_statistics($id)
{
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$query = 'SELECT * FROM '.$db->nameQuote('#__ak_stats').' WHERE '.
$db->nameQuote('id').' = '.$db->Quote($id);
$db->setQuery($query);
return $db->loadAssoc(true);
}
/**
* Completely removes a backup statistics record
* @param int $id Backup record ID
* @return bool True on success
*/
public function delete_statistics($id)
{
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$query = 'DELETE FROM '.$db->nameQuote('#__ak_stats').' WHERE '.
$db->nameQuote('id').' = '.$db->Quote($id);
$db->setQuery($query);
$result = $db->query();
return !($result === false);
}
/**
* Returns a list of backup statistics records, respecting the pagination
*
* The $config array allows the following options to be set:
* limitstart int Offset in the recordset to start from
* limit int How many records to return at once
* filters array An array of filters to apply to the results. Alternatively you can just pass a profile ID to filter by that profile.
* order array Record ordering information (by and ordering)
*
* @return array
*/
function &get_statistics_list($config = array())
{
$defaultConfiguration = array(
'limitstart' => 0,
'limit' => 0,
'filters' => array(),
'order' => null
);
$config = (object)array_merge($defaultConfiguration, $config);
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$whereArray = array();
if(!empty($config->filters))
{
if(is_array($config->filters)) {
if(!empty($config->filters)) {
// Parse the filters array
foreach($config->filters as $f)
{
$clause = $db->nameQuote($f['field']);
if(array_key_exists('operand', $f)) {
$clause .= ' '.strtoupper($f['operand']).' ';
} else {
$clause .= ' = ';
}
if($f['operand'] == 'BETWEEN') {
$clause .= $db->Quote($f['value']) . ' AND ' . $db->Quote($f['value2']);
} elseif($f['operand'] == 'LIKE') {
$clause .= '\'%'.$db->getEscaped($f['value']).'%\'';
} else {
$clause .= $db->Quote($f['value']);
}
$whereArray[] = "($clause)";
}
}
} else {
// Legacy mode: profile ID given
$whereArray[] = '('.$db->nameQuote('profile_id').' = '.$db->Quote($config->filters).')';
}
}
if(empty($whereArray)) {
$where = '';
} else {
$where = implode(' AND ', $whereArray);
}
if(empty($config->order) || !is_array($config->order)) {
$config->order = array(
'by' => 'id',
'order' => 'DESC'
);
}
$query = "SELECT * FROM ".$db->nameQuote('#__ak_stats').
(empty($where) ? '' : ' WHERE '.$where).
" ORDER BY ".$db->nameQuote($config->order['by'])." ".strtoupper($config->order['order']);
$db->setQuery($query, $config->limitstart, $config->limit);
$list = $db->loadAssocList();
return $list;
}
/**
* Return the total number of statistics records
*
* @param array $filters An array of filters to apply to the results. Alternatively you can just pass a profile ID to filter by that profile.
*
* @return int
*/
function get_statistics_count($filters = null)
{
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$whereArray = array();
if(!empty($filters))
{
if(is_array($filters)) {
if(!empty($filters)) {
// Parse the filters array
foreach($filters as $f)
{
$clause = $db->nameQuote($f['field']);
if(array_key_exists('operand', $f)) {
$clause .= ' '.strtoupper($f['operand']).' ';
} else {
$clause .= ' = ';
}
if($f['operand'] == 'BETWEEN') {
$clause .= $db->Quote($f['value']) . ' AND ' . $db->Quote($f['value2']);
} elseif($f['operand'] == 'LIKE') {
$clause .= '\'%'.$db->getEscaped($f['value']).'%\'';
} else {
$clause .= $db->Quote($f['value']);
}
$whereArray[] = "($clause)";
}
}
} else {
// Legacy mode: profile ID given
$whereArray[] = '('.$db->nameQuote('profile_id').' = '.$db->Quote($filters).')';
}
}
if(empty($whereArray)) {
$where = '';
} else {
$where = implode(' AND ', $whereArray);
}
$query = 'SELECT COUNT(*) FROM '.$db->nameQuote('#__ak_stats'). (empty($where) ? '' : ' WHERE '.$where);
$db->setQuery($query);
return $db->loadResult();
}
/**
* Returns an array with the specifics of running backups
* @return unknown_type
*/
public function get_running_backups($tag = null)
{
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$query = "SELECT * FROM ".$db->nameQuote('#__ak_stats') .
' WHERE ('.$db->nameQuote('status').' = '.$db->Quote('run').') AND '.
'NOT('.$db->nameQuote('archivename').' = '.$db->Quote('').')';
if(!empty($tag)) {
$query .= ' AND ('.$db->nameQuote('origin').'='.$db->Quote($tag).')';
}
$db->setQuery($query);
return $db->loadAssocList();
}
/**
* Multiple backup attempts can share the same backup file name. Only
* the last backup attempt's file is considered valid. Previous attempts
* have to be deemed "obsolete". This method returns a list of backup
* statistics ID's with "valid"-looking names. IT DOES NOT CHECK FOR THE
* EXISTENCE OF THE BACKUP FILE!
* @param bool $useprofile If true, it will only return backup records of the current profile
* @param array $tagFilters Which tags to include; leave blank for all. If the first item is "NOT", then all tags EXCEPT those listed will be included.
* @return array A list of ID's for records w/ "valid"-looking backup files
*/
public function &get_valid_backup_records($useprofile = false, $tagFilters = array(), $ordering = 'DESC')
{
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$query =
'SELECT '.$db->nameQuote('id').' FROM '.$db->nameQuote('#__ak_stats').
' WHERE '.
'`filesexist` = 1 AND'.
$db->nameQuote('id').' IN ('.
'SELECT MAX('.$db->nameQuote('id').') AS '.$db->nameQuote('id').
' FROM '.$db->nameQuote('#__ak_stats').' WHERE '.
$db->nameQuote('status').' = '.$db->Quote('complete').' GROUP BY '.
$db->nameQuote('absolute_path').
') AND NOT ('.$db->nameQuote('absolute_path').' = '.$db->Quote('').')';
if($useprofile)
{
$profile_id = $this->get_active_profile();
$query .= " AND (".$db->nameQuote('profile_id')." = ".$db->Quote($profile_id).")";
}
if(!empty($tagFilters)) {
$operator = '';
$first = array_shift($tagFilters);
if($first == 'NOT') {
$operator = 'NOT';
} else {
array_unshift($tagFilters, $first);
}
$quotedTags = array();
foreach($tagFilters as $tag) $quotedTags[] = $db->Quote($tag);
$filter = implode(', ', $quotedTags);
unset($quotedTags);
$query .= " AND $operator (".$db->nameQuote('tag').' IN ('.$filter.'))';
}
$query .= ' ORDER BY '.$db->nameQuote('id').' '.$ordering;
$db->setQuery($query);
$array = $db->loadResultArray();
return $array;
}
/**
* Invalidates older records sharing the same $archivename
* @param string $archivename
*/
public function remove_duplicate_backup_records($archivename)
{
AEUtilLogger::WriteLog(_AE_LOG_DEBUG,"Removing any old records with $archivename filename");
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$query = 'SELECT '.$db->nameQuote('id').' FROM '.$db->nameQuote('#__ak_stats').
' WHERE '.
$db->nameQuote('archivename').' = '.$db->Quote($archivename).
' ORDER BY '.$db->nameQuote('id').' DESC';
$db->setQuery($query);
$array = $db->loadResultArray();
AEUtilLogger::WriteLog(_AE_LOG_DEBUG,count($array)." records found");
// No records?! Quit.
if(empty($array)) return;
// Only one record. Quit.
if(count($array) == 1) return;
// Shift the first (latest) element off the array
$currentID = array_shift($array);
// Invalidate older records
$this->invalidate_backup_records($array);
}
/**
* Marks the specified backup records as having no files
* @param array $ids Array of backup record IDs to ivalidate
*/
public function invalidate_backup_records($ids)
{
if(empty($ids)) return false;
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$list = implode(',', $ids);
$sql = 'UPDATE `#__ak_stats` SET `filesexist` = 0 WHERE `id` IN ('.$list.')';
$db->setQuery($sql);
return $db->query();
}
/**
* Gets a list of records with remotely stored files in the selected remote storage
* provider and profile.
*
* @param $profile int (optional) The profile to use. Skip or use null for active profile.
* @param $engine string (optional) The remote engine to looks for. Skip or use null for the active profile's engine.
* @return array
*/
public function get_valid_remote_records($profile = null, $engine = null)
{
$config =& AEFactory::getConfiguration();
$result = array();
if(is_null($profile)) $profile = $this->get_active_profile();
if(is_null($engine)) $engine = $config->get('akeeba.advanced.proc_engine','');
if(empty($engine)) return $result;
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
$sql = 'SELECT * FROM '.$db->nameQuote('#__ak_stats').' WHERE '.
$db->nameQuote('profile_id').' = '.$db->Quote($profile).' AND '.
$db->nameQuote('remote_filename').' LIKE \''.$db->getEscaped($engine).'://%\' ORDER BY '.
$db->nameQuote('id').' ASC';
$db->setQuery($sql);
return $db->loadAssocList();
}
/**
* Returns the filter data for the entire filter group collection
* @return array
*/
public function &load_filters()
{
// Load the filter data from the database
$profile_id = $this->get_active_profile();
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
// Load the INI format local configuration dump off the database
$sql = "SELECT ".$db->nameQuote('filters').' FROM '.$db->nameQuote('#__ak_profiles')
.' WHERE '.
$db->nameQuote('id').' = '.$db->Quote($profile_id);
$db->setQuery($sql);
$all_filter_data = $db->loadResult();
if(is_null($all_filter_data) || empty($all_filter_data))
{
$all_filter_data = array();
}
else
{
if(function_exists('get_magic_quotes_runtime'))
{
if(@get_magic_quotes_runtime())
{
$all_filter_data = stripslashes($all_filter_data);
}
}
$all_filter_data = @unserialize($all_filter_data);
if(empty($all_filter_data)) $all_filter_data = array(); // Catch unserialization errors
}
return $all_filter_data;
}
/**
* Saves the nested filter data array $filter_data to the database
* @param array $filter_data The filter data to save
* @return bool True on success
*/
public function save_filters(&$filter_data)
{
$profile_id = $this->get_active_profile();
$db =& AEFactory::getDatabase( $this->get_platform_database_options() );
// Load the INI format local configuration dump off the database
$sql = "UPDATE ".$db->nameQuote('#__ak_profiles').' SET '.
$db->nameQuote('filters').'='.$db->Quote(serialize($filter_data))
.' WHERE '.
$db->nameQuote('id').' = '.$db->Quote($profile_id);
$db->setQuery($sql);
$db->query();
$errors = $db->getError();
return empty($errors);
}
public function get_platform_database_options()
{
return array();
}
public function translate($key)
{
return '';
}
public function load_version_defines()
{
}
public function getPlatformVersion( &$platform_name, &$version )
{
return '';
}
public function log_platform_special_directories()
{
}
public function get_platform_configuration_option($key, $default)
{
return '';
}
public function get_administrator_emails()
{
return array();
}
public function send_email($to, $subject, $body, $attachFile = null)
{
return false;
}
public function unlink($file)
{
return @unlink($file);
}
public function move($from, $to)
{
$result = @rename($from, $to);
if(!$result) {
$result = @copy($from, $to);
if($result) {
$result = $this->unlink($from);
}
}
return $result;
}
public function setConfigOverrides($co)
{
$this->configOverrides = $co;
}
public function getConfigOverrides()
{
return $this->configOverrides;
}
}