Файл: framework/model/DatabaseAdmin.php
Строк: 284
<?php
// Include the DB class
require_once("model/DB.php");
/**
* DatabaseAdmin class
*
* Utility functions for administrating the database. These can be accessed
* via URL, e.g. http://www.yourdomain.com/db/build.
*
* @package framework
* @subpackage model
*/
class DatabaseAdmin extends Controller {
/// SECURITY ///
private static $allowed_actions = array(
'index',
'build',
'cleanup',
'import'
);
public function init() {
parent::init();
// 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('SapphireTest', false) && SapphireTest::is_running_test());
$canAccess = (
Director::isDev()
|| !Security::database_is_ready()
// We need to ensure that DevelopmentAdminTest can simulate permission failures when running
// "dev/tests" from CLI.
|| (Director::is_cli() && !$isRunningTests)
|| Permission::check("ADMIN")
);
if(!$canAccess) {
return Security::permissionFailure($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
$allClasses = get_declared_classes();
foreach($allClasses as $class) {
if(get_parent_class($class) == "DataObject")
$rootClasses[$class] = array();
}
// Assign every other data object one of those
foreach($allClasses as $class) {
if(!isset($rootClasses[$class]) && is_subclass_of($class, "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
SS_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);
}
/**
* Check if database needs to be built, and build it if it does.
*/
public static function autoBuild() {
$dataClasses = ClassInfo::subclassesFor('DataObject');
$lastBuilt = self::lastBuilt();
foreach($dataClasses as $class) {
if(filemtime(getClassFile($class)) > $lastBuilt) {
$da = new DatabaseAdmin();
$da->doBuild(true);
return;
}
}
}
/**
* Build the default data, calling requireDefaultRecords on all
* DataObject classes
*/
public function buildDefaults() {
$dataClasses = ClassInfo::subclassesFor('DataObject');
array_shift($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);
}
}
/**
* Updates the database schema, creating tables & fields as necessary.
*
* @param boolean $quiet Don't show messages
* @param boolean $populate Populate the database, as well as setting up its schema
*/
public function doBuild($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() : "";
if(Director::is_cli()) {
echo sprintf("nnBuilding database %s using %s %snn", $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>';
}
// 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 : $_REQUEST['db'];
// Check database name is given
if(empty($parameters['database'])) {
user_error("No database name given; please give a value for $databaseConfig['database']",
E_USER_ERROR);
}
$database = $parameters['database'];
// Establish connection and create database in two steps
unset($parameters['database']);
DB::connect($parameters);
DB::create_database($database);
}
// Build the database. Most of the hard work is handled by DataObject
$dataClasses = ClassInfo::subclassesFor('DataObject');
array_shift($dataClasses);
if(!$quiet) {
if(Director::is_cli()) echo "nCREATING DATABASE TABLESnn";
else echo "n<p><b>Creating database tables</b></p>nn";
}
// 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;
// Check if this class should be excluded as per testing conventions
$SNG = singleton($dataClass);
if(!$testMode && $SNG instanceof TestOnly) continue;
// Log data
if(!$quiet) {
if(Director::is_cli()) echo " * $dataClassn";
else echo "<li>$dataClass</li>n";
}
// Instruct the class to apply its schema to the database
$SNG->requireTable();
}
});
ClassInfo::reset_db_cache();
if($populate) {
if(!$quiet) {
if(Director::is_cli()) echo "nCREATING DATABASE RECORDSnn";
else echo "n<p><b>Creating database records</b></p>nn";
}
foreach($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 " * $dataClassn";
else echo "<li>$dataClass</li>n";
}
singleton($dataClass)->requireDefaultRecords();
}
}
}
touch(TEMP_FOLDER
. '/database-last-generated-'
. str_replace(array('\', '/', ':'), '.', Director::baseFolder())
);
if(isset($_REQUEST['from_installer'])) {
echo "OK";
}
if(!$quiet) {
echo (Director::is_cli()) ? "n Database build completed!nn" :"<p>Database build completed!</p>";
}
ClassInfo::reset_db_cache();
}
/**
* Clear all data out of the database
*
* @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() {
$allClasses = get_declared_classes();
foreach($allClasses as $class) {
if(get_parent_class($class) == 'DataObject') {
$baseClasses[] = $class;
}
}
foreach($baseClasses as $baseClass) {
// Get data classes
$subclasses = ClassInfo::subclassesFor($baseClass);
unset($subclasses[0]);
foreach($subclasses as $k => $subclass) {
if(DataObject::has_own_table($subclass)) {
unset($subclasses[$k]);
}
}
if($subclasses) {
$records = DB::query("SELECT * FROM "$baseClass"");
foreach($subclasses as $subclass) {
$recordExists[$subclass] =
DB::query("SELECT "ID" FROM "$subclass"")->keyedColumn();
}
foreach($records as $record) {
foreach($subclasses as $subclass) {
$id = $record['ID'];
if(($record['ClassName'] != $subclass) &&
(!is_subclass_of($record['ClassName'], $subclass)) &&
(isset($recordExists[$subclass][$id]))) {
$sql = "DELETE FROM "$subclass" WHERE "ID" = $record[ID]";
echo "<li>$sql";
DB::query($sql);
}
}
}
}
}
}
}