137 lines
4.3 KiB
PHP
137 lines
4.3 KiB
PHP
<?php
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error_reporting(E_ALL);
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require_once ('../php/dbutils.php');
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require_once ('../php/globals.php');
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require_once ('../php/config.php');
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require_once ('../php/database/database.php');
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class DbConfig {
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/**
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* Return the basic configuration that is needed to access the database and its content.
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*/
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static function getConfigVals() {
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$retArray = array(
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"host" => MYSQL_HOST,
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"db" => MYSQL_DB,
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"user" => MYSQL_USER,
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"password" => MYSQL_PASSWORD,
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"tabprefix" => TAB_PREFIX);
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echo json_encode(array("status" => "OK","result" => $retArray));
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}
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/**
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* Write the file php/config.php
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*
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* @param unknown $host
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* @param unknown $db
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* @param unknown $user
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* @param unknown $password
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* @param unknown $prefix
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*/
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static function writeConfigFile($host,$db,$user,$password,$prefix) {
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$configFile = "../php/config.php";
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if (is_file($configFile) and !is_writable($configFile)) {
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return array("status" => "ERROR","msg" => "The configuration file does not exist or cannot be overwritten!");
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}
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try {
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$errorlevel = "<?php\nerror_reporting(E_ALL);\n\n";
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$hostlines = "// Zum Aufbau der Verbindung zur Datenbank\n";
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$hostlines .= "// die Daten erhalten Sie von Ihrem Provider\n";
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$hostlines .= "define ( 'MYSQL_HOST','$host' );";
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$userlines = "define ( 'MYSQL_USER', '$user' );";
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$dbpasslines = "define ( 'MYSQL_PASSWORD', '$password' );";
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$dblines = "define ( 'MYSQL_DB', '$db' );";
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$dbloglines = "define ( 'LOG', false );";
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$prefixlines = "define ('TAB_PREFIX', '$prefix');";
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$installstatusline = "define ('INSTALLSTATUS', 'installed');";
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$configText = "$errorlevel\n$hostlines\n$userlines\n$dbpasslines\n$dblines\n$dbloglines\n$prefixlines\n$installstatusline\n?>";
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file_put_contents($configFile, $configText);
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return array("status" => "OK");
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} catch (Exception $e) {
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// Directory or file not writeable
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return array("status" => "ERROR","msg" => "The exception during installation: " . $e);
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}
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}
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}
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class Installer {
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/**
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* Start a fresh installation! This means:
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* - write the config.php
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* - create the data base tables
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* - fill initial values in the data base like version and access parameter
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*
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* @param unknown $host
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* @param unknown $dbname
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* @param unknown $user
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* @param unknown $pass
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* @param unknown $prefix
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* @param unknown $adminpass
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* @return boolean
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*/
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static function install($host,$dbname,$user,$pass,$prefix,$adminpass) {
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$configstatus = DbConfig::writeConfigFile($host,$dbname,$user,$pass,$prefix);
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if ($configstatus["status"] != "OK") {
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return $configstatus;
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}
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$pdo = Database::openDbAndReturnPdo($host,$dbname,$user,$pass);
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if (is_null($pdo)) {
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return array("status" => "ERROR","msg" => "Database connection not possible. Is PDO extension installed for PHP?");
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}
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Database::dropTables($pdo);
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Database::createEmptyTables($pdo, $prefix);
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Database::setVersion($pdo,$prefix,"1.2.20");
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Database::setAccessPassword($pdo,$prefix,$adminpass);
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Database::setRefreshRate($pdo,$prefix,"5"); // default: 5 times per hour
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return array("status" => "OK","msg" => "Installation successful");
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}
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}
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// This is the command that is send via GET in the URL
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$command = $_GET["command"];
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if ($command == 'getConfig') {
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// to be displayed on the install page as start parameters - fetched from the config.php
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DbConfig::getConfigVals();
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} else if ($command == 'install') {
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// start a fresh installation
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$ok = Installer::install($_POST['host'],$_POST['db'],$_POST['user'],$_POST['password'],$_POST['prefix'],$_POST['adminpass']);
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if ($ok["status"] == "OK") {
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// log out all users, i.e. kill all existing sessions
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if(session_id() == '') {
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session_start();
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}
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$_SESSION = array();
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// Swipe via memory
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if (ini_get("session.use_cookies")) {
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// Prepare and swipe cookies
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$params = session_get_cookie_params();
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// clear cookies and sessions
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setcookie(session_name(), '', time() - 42000,
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$params["path"], $params["domain"],
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$params["secure"], $params["httponly"]
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);
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}
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// kill all sessions - but does not seem to work correctly...
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ini_set('session.gc_max_lifetime', 0);
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ini_set('session.gc_probability', 1);
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ini_set('session.gc_divisor', 1);
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session_destroy();
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echo json_encode($ok);
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} else {
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echo json_encode($ok);
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}
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} else if ($command == 'update') {
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// to be filled when next version is available
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}
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?>
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