109 lines
2.8 KiB
PHP
109 lines
2.8 KiB
PHP
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<?php
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require_once 'dbutils.php';
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require_once 'config.php';
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class OsSystem {
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private static function outputEmptyImage() {
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$my_img = imagecreate( 1,1 );
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$background = imagecolorallocate( $my_img, 0, 0, 255 );
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$black = imagecolorallocate($im, 0, 0, 0);
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imagecolortransparent($my_img, $black);
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header( "Content-type: image/png" );
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imagepng( $my_img );
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imagecolordeallocate( $background );
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imagedestroy( $my_img );
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}
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public static function getlogo($pdo) {
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$sql = "SELECT content as img FROM %images% WHERE name='logo'";
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self::outputImageFromDb($pdo, $sql, null);
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}
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public static function getprodimage($pdo,$prodid) {
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$sql = "SELECT content as img FROM %images% WHERE contenttype=? AND productid=?";
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$params = array(DbUtils::$TYPE_PRODIMG,$prodid);
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self::outputImageFromDb($pdo, $sql, $params);
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}
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private static function outputImageFromDb($pdo,$sql,$params) {
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header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
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header("Pragma: no-cache");
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header("Expires: Mon, 20 Dec 1998 01:00:00 GMT" );
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header('Content-Type: ' . image_type_to_mime_type(IMAGETYPE_PNG));
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$result = DbUtils::fetchSqlAll($pdo, $sql, $params);
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if (count($result) > 0) {
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$logoImg = $result[0]["img"];
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if ($logoImg != '') {
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$img = base64_decode($logoImg);
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$php_img = imagecreatefromstring($img);
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imagesavealpha($php_img, true);
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$color = imagecolorallocatealpha($php_img, 0, 0, 0, 127);
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imagepng($php_img, NULL);
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imagecolordeallocate( $color );
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imagedestroy($php_img);
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return;
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}
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}
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self::outputEmptyImage();
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}
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public static function checkLastOsAccess($pdo) {
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$timezone = self::getTimeZone($pdo);
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date_default_timezone_set($timezone);
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$sql = "SELECT date FROM %gueststatus% WHERE item=?";
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$result = DbUtils::fetchSqlAll($pdo, $sql, array('lastosaccess'));
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if (count($result) == 0) {
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$msg = "0";
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} else {
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$lastaccess = $result[0]["date"];
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$date = new DateTime();
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$currentTimeStamp = $date->getTimestamp();
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if (($currentTimeStamp - $lastaccess) > 60) {
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$msg = 0;
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} else {
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$msg = 1;
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}
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}
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return array("status" => "OK","msg" => $msg);
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}
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public static function getTimeZone($pdo) {
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$sql = "select value from %ossystem% where item=?";
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$result = DbUtils::fetchSqlAll($pdo, $sql, array("timezone"));
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if (count($result) == 1) {
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return $result[0]["value"];
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} else {
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return "Europe/Berlin";
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}
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}
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}
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if (isset($_GET["command"])) {
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$command = $_GET["command"];
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$pdo = DbUtils::openDbAndReturnPdoStatic();
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switch ($command) {
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case "getlastosaccess":
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$ret = OsSystem::checkLastOsAccess($pdo);
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echo json_encode($ret);
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break;
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case "getlogo":
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OsSystem::getlogo($pdo);
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break;
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case "getprodimage":
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OsSystem::getprodimage($pdo,$_GET["prodid"]);
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break;
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default:
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break;
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}
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}
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