代码拉取完成,页面将自动刷新
同步操作将从 Gitee 极速下载/VvvebJs 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
<?php
/*
Copyright 2017 Ziadin Givan
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
https://github.com/givanz/VvvebJs
*/
define('MAX_FILE_LIMIT', 1024 * 1024 * 2);//2 Megabytes max html file size
define('ALLOW_PHP', false);//check if saved html contains php tag and don't save if not allowed
define('ALLOWED_OEMBED_DOMAINS', [
'https://www.youtube.com/',
'https://www.vimeo.com/',
'https://www.twitter.com/'
]);//load urls only from allowed websites for oembed
function sanitizeFileName($file, $allowedExtension = 'html') {
$basename = basename($file);
$disallow = ['.htaccess', 'passwd'];
if (in_array($basename, $disallow)) {
showError('Filename not allowed!');
return '';
}
//sanitize, remove double dot .. and remove get parameters if any
$file = preg_replace('@\?.*$@' , '', preg_replace('@\.{2,}@' , '', preg_replace('@[^\/\\a-zA-Z0-9\-\._]@', '', $file)));
if ($file) {
$file = __DIR__ . DIRECTORY_SEPARATOR . $file;
} else {
return '';
}
//allow only .html extension
if ($allowedExtension) {
$file = preg_replace('/\.[^.]+$/', '', $file) . ".$allowedExtension";
}
return $file;
}
function showError($error) {
header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
die($error);
}
function validOembedUrl($url) {
foreach (ALLOWED_OEMBED_DOMAINS as $domain) {
if (strpos($url, $domain) === 0) {
return true;
}
}
return false;
}
$html = '';
$file = '';
$action = '';
if (isset($_POST['startTemplateUrl']) && !empty($_POST['startTemplateUrl'])) {
$startTemplateUrl = sanitizeFileName($_POST['startTemplateUrl']);
$html = '';
if ($startTemplateUrl) {
$html = file_get_contents($startTemplateUrl);
}
} else if (isset($_POST['html'])){
$html = substr($_POST['html'], 0, MAX_FILE_LIMIT);
if (!ALLOW_PHP) {
//if (strpos($html, '<?php') !== false) {
if (preg_match('@<\?php|<\? |<\?=|<\s*script\s*language\s*=\s*"\s*php\s*"\s*>@', $html)) {
showError('PHP not allowed!');
}
}
}
if (isset($_POST['file'])) {
$file = sanitizeFileName($_POST['file']);
}
if (isset($_GET['action'])) {
$action = htmlspecialchars(strip_tags($_GET['action']));
}
if ($action) {
//file manager actions, delete and rename
switch ($action) {
case 'rename':
$newfile = sanitizeFileName($_POST['newfile']);
if ($file && $newfile) {
if (rename($file, $newfile)) {
echo "File '$file' renamed to '$newfile'";
} else {
showError("Error renaming file '$file' renamed to '$newfile'");
}
}
break;
case 'delete':
if ($file) {
if (unlink($file)) {
echo "File '$file' deleted";
} else {
showError("Error deleting file '$file'");
}
}
break;
case 'saveReusable':
//block or section
$type = $_POST['type'] ?? false;
$name = $_POST['name'] ?? false;
$html = $_POST['html'] ?? false;
if ($type && $name && $html) {
$file = sanitizeFileName("$type/$name");
if ($file) {
$dir = dirname($file);
if (!is_dir($dir)) {
echo "$dir folder does not exist\n";
if (mkdir($dir, 0777, true)) {
echo "$dir folder was created\n";
} else {
showError("Error creating folder '$dir'\n");
}
}
if (file_put_contents($file, $html)) {
echo "File saved '$file'";
} else {
showError("Error saving file '$file'\nPossible causes are missing write permission or incorrect file path!");
}
} else {
showError('Invalid filename!');
}
} else {
showError("Missing reusable element data!\n");
}
break;
case 'oembedProxy':
$url = $_GET['url'] ?? '';
if (validOembedUrl($url)) {
header('Content-Type: application/json');
echo file_get_contents($url);
} else {
showError('Invalid url!');
}
break;
default:
showError("Invalid action '$action'!");
}
} else {
//save page
if ($html) {
if ($file) {
$dir = dirname($file);
if (!is_dir($dir)) {
echo "$dir folder does not exist\n";
if (mkdir($dir, 0777, true)) {
echo "$dir folder was created\n";
} else {
showError("Error creating folder '$dir'\n");
}
}
if (file_put_contents($file, $html)) {
echo "File saved '$file'";
} else {
showError("Error saving file '$file'\nPossible causes are missing write permission or incorrect file path!");
}
} else {
showError('Filename is empty!');
}
} else {
showError('Html content is empty!');
}
}
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