BlueMap/BlueMapCommon/webapp/public/sql.php

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<?php
// !!! SET YOUR SQL-CONNECTION SETTINGS HERE: !!!
$driver = 'mysql'; // 'mysql' (MySQL) or 'pgsql' (PostgreSQL)
$hostname = '127.0.0.1';
$port = 3306;
$username = 'root';
$password = '';
$database = 'bluemap';
// set this to "none" if you disabled compression on your maps
$hiresCompression = 'gzip';
// !!! END - DONT CHANGE ANYTHING AFTER THIS LINE !!!
// some helper functions
function error($code, $message = null) {
global $path;
http_response_code($code);
header("Content-Type: text/plain");
echo "BlueMap php-script - $code\n";
if ($message != null) echo $message."\n";
echo "Requested Path: $path";
exit;
}
function startsWith($haystack, $needle) {
return substr($haystack, 0, strlen($needle)) === $needle;
}
// mime-types for meta-files
$mimeDefault = "application/octet-stream";
$mimeTypes = [
"txt" => "text/plain",
"css" => "text/css",
"csv" => "text/csv",
"htm" => "text/html",
"html" => "text/html",
"js" => "text/javascript",
"xml" => "text/xml",
"png" => "image/png",
"jpg" => "image/jpeg",
"jpeg" => "image/jpeg",
"gif" => "image/gif",
"webp" => "image/webp",
"tif" => "image/tiff",
"tiff" => "image/tiff",
"svg" => "image/svg+xml",
"json" => "application/json",
"mp3" => "audio/mpeg",
"oga" => "audio/ogg",
"wav" => "audio/wav",
"weba" => "audio/webm",
"mp4" => "video/mp4",
"mpeg" => "video/mpeg",
"webm" => "video/webm",
"ttf" => "font/ttf",
"woff" => "font/woff",
"woff2" => "font/woff2"
];
function getMimeType($path) {
global $mimeDefault, $mimeTypes;
$i = strrpos($path, ".");
if ($i === false) return $mimeDefault;
$s = strrpos($path, "/");
if ($s !== false && $i < $s) return $mimeDefault;
$suffix = substr($path, $i + 1);
if (isset($mimeTypes[$suffix]))
return $mimeTypes[$suffix];
return $mimeDefault;
}
function send($data) {
if (is_resource($data)) {
fpassthru($data);
} else {
echo $data;
}
}
// determine relative request-path
$root = dirname($_SERVER['PHP_SELF']);
if ($root === "/" || $root === "\\") $root = "";
$uriPath = $_SERVER['REQUEST_URI'];
$path = substr($uriPath, strlen($root));
// add /
if ($path === "") {
header("Location: $uriPath/");
exit;
}
// root => index.html
if ($path === "/") {
header("Content-Type: text/html");
echo file_get_contents("index.html");
exit;
}
if (startsWith($path, "/maps/")) {
// determine map-path
$pathParts = explode("/", substr($path, strlen("/maps/")), 2);
$mapId = $pathParts[0];
$mapPath = explode("?", $pathParts[1], 2)[0];
// Initialize PDO
try {
$sql = new PDO("$driver:host=$hostname;dbname=$database", $username, $password);
$sql->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e ) { error(500, "Failed to connect to database"); }
// provide map-tiles
if (startsWith($mapPath, "tiles/")) {
// parse tile-coordinates
preg_match_all("/tiles\/([\d\/]+)\/x(-?[\d\/]+)z(-?[\d\/]+).*/", $mapPath, $matches);
$lod = intval($matches[1][0]);
$tileX = intval(str_replace("/", "", $matches[2][0]));
$tileZ = intval(str_replace("/", "", $matches[3][0]));
$compression = $lod === 0 ? $hiresCompression : "none";
// query for tile
try {
$statement = $sql->prepare("
SELECT t.data
FROM bluemap_map_tile t
INNER JOIN bluemap_map m
ON t.map = m.id
INNER JOIN bluemap_map_tile_compression c
ON t.compression = c.id
WHERE m.map_id = :map_id
AND t.lod = :lod
AND t.x = :x
AND t.z = :z
AND c.compression = :compression
");
$statement->bindParam( ':map_id', $mapId, PDO::PARAM_STR );
$statement->bindParam( ':lod', $lod, PDO::PARAM_INT );
$statement->bindParam( ':x', $tileX, PDO::PARAM_INT );
$statement->bindParam( ':z', $tileZ, PDO::PARAM_INT );
$statement->bindParam( ':compression', $compression, PDO::PARAM_STR);
$statement->setFetchMode(PDO::FETCH_ASSOC);
$statement->execute();
// return result
if ($line = $statement->fetch()) {
if ($compression !== "none")
header("Content-Encoding: $compression");
if ($lod === 0) {
header("Content-Type: application/octet-stream");
} else {
header("Content-Type: image/png");
}
send($line["data"]);
exit;
}
} catch (PDOException $e) { error(500, "Failed to fetch data"); }
// no content if nothing found
http_response_code(204);
exit;
}
// provide meta-files
try {
$statement = $sql->prepare("
SELECT t.value
FROM bluemap_map_meta t
INNER JOIN bluemap_map m
ON t.map = m.id
WHERE m.map_id = :map_id
AND t.key = :map_path
");
$statement->bindParam( ':map_id', $mapId, PDO::PARAM_STR );
$statement->bindParam( ':map_path', $mapPath, PDO::PARAM_STR );
$statement->setFetchMode(PDO::FETCH_ASSOC);
$statement->execute();
if ($line = $statement->fetch()) {
header("Content-Type: ".getMimeType($mapPath));
send($line["value"]);
exit;
}
} catch (PDOException $e) { error(500, "Failed to fetch data"); }
}
// no match => 404
error(404);