silverstripe-framework/ORM/DatabaseAdmin.php

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<?php
namespace SilverStripe\ORM;
use SilverStripe\Control\Director;
use SilverStripe\Control\Controller;
use SilverStripe\Core\ClassInfo;
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use SilverStripe\Core\Manifest\ClassLoader;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Dev\TestOnly;
use SilverStripe\Dev\Deprecation;
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use SilverStripe\Security\Security;
use SilverStripe\Security\Permission;
// Include the DB class
require_once("DB.php");
/**
* DatabaseAdmin class
*
* Utility functions for administrating the database. These can be accessed
* via URL, e.g. http://www.yourdomain.com/db/build.
*/
class DatabaseAdmin extends Controller {
/// SECURITY ///
private static $allowed_actions = array(
'index',
'build',
'cleanup',
'import'
);
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/**
* Obsolete classname values that should be remapped in dev/build
*/
private static $classname_value_remapping = [
'File' => 'SilverStripe\\Assets\\File',
'Image' => 'SilverStripe\\Assets\\Image',
'Folder' => 'SilverStripe\\Assets\\Folder',
'Group' => 'SilverStripe\\Security\\Group',
'LoginAttempt' => 'SilverStripe\\Security\\LoginAttempt',
'Member' => 'SilverStripe\\Security\\Member',
'MemberPassword' => 'SilverStripe\\Security\\MemberPassword',
'Permission' => 'SilverStripe\\Security\\Permission',
'PermissionRole' => 'SilverStripe\\Security\\PermissionRole',
'PermissionRoleCode' => 'SilverStripe\\Security\\PermissionRoleCode',
'RememberLoginHash' => 'SilverStripe\\Security\\RememberLoginHash',
];
protected function init() {
parent::init();
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// We allow access to this controller regardless of live-status or ADMIN permission only
// if on CLI or with the database not ready. The latter makes it less errorprone to do an
// initial schema build without requiring a default-admin login.
// Access to this controller is always allowed in "dev-mode", or of the user is ADMIN.
$isRunningTests = (class_exists('SilverStripe\\Dev\\SapphireTest', false) && SapphireTest::is_running_test());
$canAccess = (
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Director::isDev()
|| !Security::database_is_ready()
// We need to ensure that DevelopmentAdminTest can simulate permission failures when running
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// "dev/tests" from CLI.
|| (Director::is_cli() && !$isRunningTests)
|| Permission::check("ADMIN")
);
if(!$canAccess) {
Security::permissionFailure($this,
"This page is secured and you need administrator rights to access it. " .
"Enter your credentials below and we will send you right along.");
}
}
/**
* Get the data classes, grouped by their root class
*
* @return array Array of data classes, grouped by their root class
*/
public function groupedDataClasses() {
// Get all root data objects
$allClasses = get_declared_classes();
$rootClasses = [];
foreach($allClasses as $class) {
if(get_parent_class($class) == 'SilverStripe\ORM\DataObject') {
$rootClasses[$class] = array();
}
}
// Assign every other data object one of those
foreach($allClasses as $class) {
if(!isset($rootClasses[$class]) && is_subclass_of($class, 'SilverStripe\ORM\DataObject')) {
foreach($rootClasses as $rootClass => $dummy) {
if(is_subclass_of($class, $rootClass)) {
$rootClasses[$rootClass][] = $class;
break;
}
}
}
}
return $rootClasses;
}
/**
* When we're called as /dev/build, that's actually the index. Do the same
* as /dev/build/build.
*/
public function index() {
return $this->build();
}
/**
* Updates the database schema, creating tables & fields as necessary.
*/
public function build() {
// The default time limit of 30 seconds is normally not enough
increase_time_limit_to(600);
// Get all our classes
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ClassLoader::instance()->getManifest()->regenerate();
$url = $this->getReturnURL();
if($url) {
echo "<p>Setting up the database; you will be returned to your site shortly....</p>";
$this->doBuild(true);
echo "<p>Done!</p>";
$this->redirect($url);
} else {
$quiet = $this->request->requestVar('quiet') !== null;
$fromInstaller = $this->request->requestVar('from_installer') !== null;
$populate = $this->request->requestVar('dont_populate') === null;
$this->doBuild($quiet || $fromInstaller, $populate);
}
}
/**
* Gets the url to return to after build
*
* @return string|null
*/
protected function getReturnURL() {
$url = $this->request->getVar('returnURL');
// Check that this url is a site url
if(empty($url) || !Director::is_site_url($url)) {
return null;
}
// Convert to absolute URL
return Director::absoluteURL($url, true);
}
/**
* Build the default data, calling requireDefaultRecords on all
* DataObject classes
*/
public function buildDefaults() {
$dataClasses = ClassInfo::subclassesFor('SilverStripe\ORM\DataObject');
array_shift($dataClasses);
foreach($dataClasses as $dataClass) {
singleton($dataClass)->requireDefaultRecords();
print "Defaults loaded for $dataClass<br/>";
}
}
/**
* Returns the timestamp of the time that the database was last built
*
* @return string Returns the timestamp of the time that the database was
* last built
*/
public static function lastBuilt() {
$file = TEMP_FOLDER
. '/database-last-generated-'
. str_replace(array('\\','/',':'), '.' , Director::baseFolder());
if(file_exists($file)) {
return filemtime($file);
}
return null;
}
/**
* Updates the database schema, creating tables & fields as necessary.
*
* @param boolean $quiet Don't show messages
* @param boolean $populate Populate the database, as well as setting up its schema
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* @param bool $testMode
*/
public function doBuild($quiet = false, $populate = true, $testMode = false) {
if($quiet) {
DB::quiet();
} else {
$conn = DB::get_conn();
// Assumes database class is like "MySQLDatabase" or "MSSQLDatabase" (suffixed with "Database")
$dbType = substr(get_class($conn), 0, -8);
$dbVersion = $conn->getVersion();
$databaseName = (method_exists($conn, 'currentDatabase')) ? $conn->getSelectedDatabase() : "";
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if(Director::is_cli()) {
echo sprintf("\n\nBuilding database %s using %s %s\n\n", $databaseName, $dbType, $dbVersion);
} else {
echo sprintf("<h2>Building database %s using %s %s</h2>", $databaseName, $dbType, $dbVersion);
}
}
// Set up the initial database
if(!DB::is_active()) {
if(!$quiet) {
echo '<p><b>Creating database</b></p>';
}
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// Load parameters from existing configuration
global $databaseConfig;
if(empty($databaseConfig) && empty($_REQUEST['db'])) {
user_error("No database configuration available", E_USER_ERROR);
}
$parameters = (!empty($databaseConfig)) ? $databaseConfig : $_REQUEST['db'];
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// Check database name is given
if(empty($parameters['database'])) {
user_error("No database name given; please give a value for \$databaseConfig['database']",
E_USER_ERROR);
}
$database = $parameters['database'];
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// Establish connection and create database in two steps
unset($parameters['database']);
DB::connect($parameters);
DB::create_database($database);
}
// Build the database. Most of the hard work is handled by DataObject
$dataClasses = ClassInfo::subclassesFor('SilverStripe\ORM\DataObject');
array_shift($dataClasses);
if(!$quiet) {
if(Director::is_cli()) echo "\nCREATING DATABASE TABLES\n\n";
else echo "\n<p><b>Creating database tables</b></p>\n\n";
}
// Initiate schema update
$dbSchema = DB::get_schema();
$dbSchema->schemaUpdate(function() use($dataClasses, $testMode, $quiet){
foreach($dataClasses as $dataClass) {
// Check if class exists before trying to instantiate - this sidesteps any manifest weirdness
if(!class_exists($dataClass)) continue;
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// Check if this class should be excluded as per testing conventions
$SNG = singleton($dataClass);
if(!$testMode && $SNG instanceof TestOnly) continue;
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// Log data
if(!$quiet) {
if(Director::is_cli()) echo " * $dataClass\n";
else echo "<li>$dataClass</li>\n";
}
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// Instruct the class to apply its schema to the database
$SNG->requireTable();
}
});
ClassInfo::reset_db_cache();
if($populate) {
if(!$quiet) {
if(Director::is_cli()) echo "\nCREATING DATABASE RECORDS\n\n";
else echo "\n<p><b>Creating database records</b></p>\n\n";
}
foreach($dataClasses as $dataClass) {
// Check if class exists before trying to instantiate - this sidesteps any manifest weirdness
// Test_ indicates that it's the data class is part of testing system
if(strpos($dataClass,'Test_') === false && class_exists($dataClass)) {
if(!$quiet) {
if(Director::is_cli()) echo " * $dataClass\n";
else echo "<li>$dataClass</li>\n";
}
singleton($dataClass)->requireDefaultRecords();
}
}
// Remap obsolete class names
$schema = DataObject::getSchema();
foreach ($this->config()->classname_value_remapping as $oldClassName => $newClassName) {
$baseDataClass = $schema->baseDataClass($newClassName);
$badRecordCount = DataObject::get($baseDataClass)
->filter(["ClassName" => $oldClassName ])
->count();
if($badRecordCount > 0) {
if(Director::is_cli()) {
echo " * Correcting $badRecordCount obsolete classname values for $newClassName\n";
} else {
echo "<li>Correcting $badRecordCount obsolete classname values for $newClassName</li>\n";
}
$table = $schema->baseDataTable($baseDataClass);
DB::prepared_query(
"UPDATE \"$table\" SET \"ClassName\" = ? WHERE \"ClassName\" = ?",
[ $newClassName, $oldClassName ]
);
}
}
}
touch(TEMP_FOLDER
. '/database-last-generated-'
. str_replace(array('\\', '/', ':'), '.', Director::baseFolder())
);
if(isset($_REQUEST['from_installer'])) {
echo "OK";
}
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if(!$quiet) {
echo (Director::is_cli()) ? "\n Database build completed!\n\n" :"<p>Database build completed!</p>";
}
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ClassInfo::reset_db_cache();
}
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/**
* Clear all data out of the database
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*
* @deprecated since version 4.0
*/
public function clearAllData() {
Deprecation::notice('4.0', 'Use DB::get_conn()->clearAllData() instead');
DB::get_conn()->clearAllData();
}
/**
* Remove invalid records from tables - that is, records that don't have
* corresponding records in their parent class tables.
*/
public function cleanup() {
$baseClasses = [];
foreach(ClassInfo::subclassesFor(DataObject::class) as $class) {
if(get_parent_class($class) == DataObject::class) {
$baseClasses[] = $class;
}
}
$schema = DataObject::getSchema();
foreach($baseClasses as $baseClass) {
// Get data classes
$baseTable = $schema->baseDataTable($baseClass);
$subclasses = ClassInfo::subclassesFor($baseClass);
unset($subclasses[0]);
foreach($subclasses as $k => $subclass) {
if(!DataObject::getSchema()->classHasTable($subclass)) {
unset($subclasses[$k]);
}
}
if($subclasses) {
$records = DB::query("SELECT * FROM \"$baseTable\"");
foreach($subclasses as $subclass) {
$subclassTable = $schema->tableName($subclass);
$recordExists[$subclass] =
DB::query("SELECT \"ID\" FROM \"$subclassTable\"")->keyedColumn();
}
foreach($records as $record) {
foreach($subclasses as $subclass) {
$subclassTable = $schema->tableName($subclass);
$id = $record['ID'];
if (($record['ClassName'] != $subclass)
&& (!is_subclass_of($record['ClassName'], $subclass))
&& isset($recordExists[$subclass][$id])
) {
$sql = "DELETE FROM \"$subclassTable\" WHERE \"ID\" = ?";
echo "<li>$sql [{$id}]</li>";
DB::prepared_query($sql, [$id]);
}
}
}
}
}
}
}