OneBot: Leantime 改造版源码(BOM/Univer 表格/AI 接管/品牌替换等)

This commit is contained in:
wangruiguo
2026-09-03 18:49:20 +08:00
commit d647428529
3501 changed files with 1988906 additions and 0 deletions

View File

@@ -0,0 +1,80 @@
<?php
/**
* DWG/DXF 查看器 - 图纸读取接口
* 校验令牌 → .enc 解密 / 原文件原样 → 流式返回。
* SECRET 必须与 token.php、upload.php 一致。
*/
$SECRET = 'be323d1b90bd2fda624083d4d1d716b7';
// 与 upload.php 保持一致的私有目录配置:图纸放 Web 目录外web 里根本没有文件可下载
$PRIVATE_DIR = '/volume1/dwgviewer_private';
function json_out($code, $obj) {
http_response_code($code);
header('Content-Type: application/json; charset=utf-8');
echo json_encode($obj, JSON_UNESCAPED_UNICODE);
exit;
}
$f = $_GET['f'] ?? '';
$t = $_GET['t'] ?? '';
$e = (int)($_GET['e'] ?? 0);
if (!$f || !$t || !preg_match('/\.(dwg|dxf|enc)$/i', $f)) json_out(400, ['error' => 'bad params']);
if (strpos($f, '..') !== false) json_out(400, ['error' => 'bad path']);
$sig = substr(hash_hmac('sha256', $f . '|' . $e, $SECRET), 0, 16);
if (!hash_equals($sig, $t) || time() > $e) json_out(403, ['error' => 'invalid or expired token']);
$root = realpath(__DIR__ . '/..');
if ($PRIVATE_DIR !== '') {
// 私有目录优先(嵌入链接写纯文件名即可);目录不存在时退回站内路径,
// 让留在 web 目录里的样例图纸按原路径继续可用(这些文件本来就允许直链,
// 退回不新增暴露面)。要保护的图纸必须移出 web 目录放进私有目录。
$full = realpath($PRIVATE_DIR . '/' . basename($f));
$ok = $full && strpos($full, realpath($PRIVATE_DIR)) === 0 && is_file($full);
if (!$ok) {
$full = realpath($root . '/' . $f);
$ok = $full && strpos($full, $root) === 0 && is_file($full);
}
} else {
$full = realpath($root . '/' . $f);
$ok = $full && strpos($full, $root) === 0 && is_file($full);
}
if (!$ok) json_out(404, ['error' => 'not found']);
$data = file_get_contents($full);
$origName = basename($f);
if (preg_match('/\.enc$/i', $f)) {
$nonce = substr($data, 0, 16);
$key = hash('sha256', $SECRET . $nonce, true);
$body = substr($data, 16);
$out = '';
for ($i = 0; $i < strlen($body); $i++) {
$out .= $body[$i] ^ $key[$i % strlen($key)];
}
// 加密体头部藏着原文件名(落盘名是随机的,链接里看不出是哪张图)
if (strlen($out) > 2) {
$nl = unpack('n', substr($out, 0, 2))[1];
if ($nl > 0 && $nl <= 255 && strlen($out) > 2 + $nl) {
$origName = substr($out, 2, $nl);
$out = substr($out, 2 + $nl);
}
}
$data = $out;
}
header('X-Filename: ' . rawurlencode($origName));
header('Access-Control-Expose-Headers: X-Filename');
// 上传时已经 gzip 过,解密后就是 gzip 流,直接标 Content-Encoding 让浏览器解;
// 明文文件(如 dxf在线压一次DXF 文本能压到 1/8 左右
$send = $data;
if (substr($send, 0, 2) === "\x1f\x8b") {
header('Content-Encoding: gzip');
} elseif (!ini_get('zlib.output_compression') && strlen($data) > 1024) {
$gz = gzencode($data, 6);
if ($gz !== false) { $send = $gz; header('Content-Encoding: gzip'); }
}
header('Content-Type: application/octet-stream');
header('Content-Length: ' . strlen($send));
header('Cache-Control: no-store');
header('Content-Disposition: inline');
echo $send;