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PDO php script implementation (#486) 

* pdo connector implementation

* renamed php script

* made mysql default

* made errors generic

* Some small changes to make it work with mysql

* Better newlines

---------

Co-authored-by: AlbusRex <braisskarget@gmail.com>
Co-authored-by: Lukas Rieger (Blue) <TBlueF@users.noreply.github.com>
This commit is contained in:
Albus Rex 2023-11-20 12:40:47 +01:00 committed by GitHub
parent 5b93202994
commit 0bad1b6b2a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 68 additions and 51 deletions
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119
BlueMapCommon/webapp/public/mysql.php → BlueMapCommon/webapp/public/sql.php
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@ -2,6 +2,7 @@
// !!! SET YOUR SQL-CONNECTION SETTINGS HERE: !!!
$driver = 'mysql'; // 'mysql' (MySQL) or 'pgsql' (PostgreSQL)
$hostname = '127.0.0.1';
$port = 3306;
$username = 'root';
@ -85,6 +86,14 @@ function getMimeType($path) {
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 === "\\") $root = "";
@ -111,9 +120,12 @@ if (startsWith($path, "/maps/")) {
$mapId = $pathParts[0];
$mapPath = explode("?", $pathParts[1], 2)[0];
// get sql-connection
$sql = new mysqli($hostname, $username, $password, $database, $port);
if ($sql->errno) error(500, "Failed to connect to Database!");
// 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/")) {
@ -126,67 +138,72 @@ if (startsWith($path, "/maps/")) {
$compression = $lod === 0 ? $hiresCompression : "none";
// query for tile
$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` = ?
AND t.`lod` = ?
AND t.`x` = ?
AND t.`z` = ?
AND c.`compression` = ?
");
$statement->bind_param("siiis", $mapId, $lod, $tileX, $tileZ, $compression);
$statement->execute();
if ($statement->errno) error(500, "Database query failed!");
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
$result = $statement->get_result();
if ($result && $line = $result->fetch_assoc()) {
if ($compression !== "none")
header("Content-Encoding: $compression");
if ($lod === 0) {
header("Content-Type: application/json");
} else {
header("Content-Type: image/png");
// return result
if ($line = $statement->fetch()) {
if ($compression !== "none")
header("Content-Encoding: $compression");
if ($lod === 0) {
header("Content-Type: application/json");
} else {
header("Content-Type: image/png");
}
send($line["data"]);
exit;
}
echo $line["data"];
exit;
}
} catch (PDOException $e) { error(500, "Failed to fetch data"); }
// empty json response if nothing found
header("Content-Type: application/json");
echo "{}";
exit;
}
// provide meta-files
$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` = ?
AND t.`key` = ?
");
$statement->bind_param("ss", $mapId, $mapPath);
$statement->execute();
if ($statement->errno) error(500, "Database query failed!");
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();
$result = $statement->get_result();
if ($result && $line = $result->fetch_assoc()) {
header("Content-Type: ".getMimeType($mapPath));
echo $line["value"];
exit;
}
if ($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);
error(404);