1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
require_once __DIR__ . '/lib/versioncheck.php';
use Psr\Log\LoggerInterface;
/**
* @param $service
* @return string
*/
function resolveService(string $service): string {
$services = [
'webdav' => 'dav/appinfo/v1/publicwebdav.php',
'dav' => 'dav/appinfo/v2/publicremote.php',
];
if (isset($services[$service])) {
return $services[$service];
}
return \OC::$server->getConfig()->getAppValue('core', 'remote_' . $service);
}
try {
require_once __DIR__ . '/lib/base.php';
// All resources served via the DAV endpoint should have the strictest possible
// policy. Exempted from this is the SabreDAV browser plugin which overwrites
// this policy with a softer one if debug mode is enabled.
header("Content-Security-Policy: default-src 'none';");
// Check if Nextcloud is in maintenance mode
if (\OCP\Util::needUpgrade()) {
// since the behavior of apps or remotes are unpredictable during
// an upgrade, return a 503 directly
throw new \Exception('Service unavailable', 503);
}
$request = \OC::$server->getRequest();
$pathInfo = $request->getPathInfo();
if ($pathInfo === false || $pathInfo === '') {
throw new \Exception('Path not found', 404);
}
// Extract the service from the path
if (!$pos = strpos($pathInfo, '/', 1)) {
$pos = strlen($pathInfo);
}
$service = substr($pathInfo, 1, $pos - 1);
// Resolve the service to a file
$file = resolveService($service);
if (!$file) {
throw new \Exception('Path not found', 404);
}
// Extract the app from the service file
$file = ltrim($file, '/');
$parts = explode('/', $file, 2);
$app = $parts[0];
// Load all required applications
\OC::$REQUESTEDAPP = $app;
OC_App::loadApps(['authentication']);
OC_App::loadApps(['extended_authentication']);
OC_App::loadApps(['filesystem', 'logging']);
// Check if the app is enabled
if (!\OC::$server->getAppManager()->isInstalled($app)) {
throw new \Exception('App not installed: ' . $app);
}
// Load the app
OC_App::loadApp($app);
OC_User::setIncognitoMode(true);
$baseuri = OC::$WEBROOT . '/public.php/' . $service . '/';
require_once $file;
} catch (Exception $ex) {
$status = 500;
if ($ex instanceof \OC\ServiceUnavailableException) {
$status = 503;
}
//show the user a detailed error page
\OCP\Server::get(LoggerInterface::class)->error($ex->getMessage(), ['app' => 'public', 'exception' => $ex]);
OC_Template::printExceptionErrorPage($ex, $status);
} catch (Error $ex) {
//show the user a detailed error page
\OCP\Server::get(LoggerInterface::class)->error($ex->getMessage(), ['app' => 'public', 'exception' => $ex]);
OC_Template::printExceptionErrorPage($ex, 500);
}
|
