Initial commit

Creative/dynmap/web/standalone/SQLite_tiles.php

@@ -0,0 +1,117 @@
+<?php
+ob_start();
+include('dynmap_access.php');
+ob_end_clean();
+
+session_start();
+
+if(isset($_SESSION['userid'])) {
+  $userid = $_SESSION['userid'];
+}
+else {
+  $userid = '-guest-';
+}
+
+$loggedin = false;
+if(strcmp($userid, '-guest-')) {
+  $loggedin = true;
+}
+
+$path = $_REQUEST['tile'];
+if ((!isset($path)) || strstr($path, "..")) {
+    header('HTTP/1.0 500 Error');
+    echo "<h1>500 Error</h1>";
+    echo "Bad marker: " . $path;
+    exit();
+}
+
+$parts = explode("/", $path);
+
+if (count($parts) != 4) {
+   header('Location: ../images/blank.png');
+   exit;
+}
+ 
+$uid = '[' . strtolower($userid) . ']';
+
+$world = $parts[0];
+
+if(isset($worldaccess[$world])) {
+    $ss = stristr($worldaccess[$world], $uid);
+	if($ss === false) {
+           header('Location: ../images/blank.png');
+           exit;
+	}
+}
+$variant='STANDARD';
+
+  $prefix = $parts[1];
+  $plen = strlen($prefix);
+  if(($plen > 4) && (substr($prefix, $plen - 4) === "_day")) {
+	$prefix = substr($prefix, 0, $plen - 4);
+        $variant = 'DAY';
+  }
+  $mapid = $world . "." . $prefix;
+  if(isset($mapaccess[$mapid])) {
+    $ss = stristr($mapaccess[$mapid], $uid);
+	if($ss === false) {
+           header('Location: ../images/blank.png');
+           exit;
+	}
+  }
+
+$fparts = explode("_", $parts[3]);
+if (count($fparts) == 3) { // zoom_x_y
+   $zoom = strlen($fparts[0]);
+   $x = intval($fparts[1]);
+   $y = intval($fparts[2]);
+}
+else if (count($fparts) == 2) { // x_y
+   $zoom = 0;
+   $x = intval($fparts[0]);
+   $y = intval($fparts[1]);
+}
+else {
+   header('Location: ../images/blank.png');
+   exit;
+}
+
+$db = new SQLite3($dbfile, SQLITE3_OPEN_READONLY);
+
+$stmt = $db->prepare('SELECT Tiles.Image,Tiles.Format,Tiles.HashCode,Tiles.LastUpdate,Tiles.ImageLen FROM Maps JOIN Tiles WHERE Maps.WorldID=:wid AND Maps.MapID=:mapid AND Maps.Variant=:var AND Maps.ID=Tiles.MapID AND Tiles.x=:x AND Tiles.y=:y and Tiles.zoom=:zoom');
+$stmt->bindValue(':wid', $world, SQLITE3_TEXT);
+$stmt->bindValue(':mapid', $prefix, SQLITE3_TEXT);
+$stmt->bindValue(':var', $variant, SQLITE3_TEXT);
+$stmt->bindValue(':x', $x, SQLITE3_INTEGER);
+$stmt->bindValue(':y', $y, SQLITE3_INTEGER);
+$stmt->bindValue(':zoom', $zoom, SQLITE3_INTEGER);
+$res = $stmt->execute();
+$row = $res->fetchArray();
+if (isset($row[1])) {
+   $format = $row[1];
+   if ($format == 0) {
+      header('Content-Type: image/png');
+   }
+   else {
+      header('Content-Type: image/jpeg');
+   }
+   header('ETag: \'' . $row[2] . '\'');
+   header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $row[3]/1000) . ' GMT'); 
+   if ($row[4] > 0) {
+      $v = substr($row[0], 0, $row[4]);
+   } else {
+      $v = rtrim($row[0], "\0");
+   }
+   header('Content-Length: ' . strlen($v));
+   echo $v;
+}
+else {
+   header('Location: ../images/blank.png');
+}
+
+$res->finalize();
+$stmt->close();
+$db->close();
+
+exit;
+?>