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major code cleanup and more error checking added.

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If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

10
dist.json
View File

@ -27,19 +27,19 @@
"paypalUrl": "", "paypalUrl": "",
"bitcoinAddress": "", "bitcoinAddress": "",
"flattrUrl": "", "flattrUrl": "",
"DB_MODE": "sqlite", "DB_MODE": "sqlite",
"DB_CONN": "/path/to/db/uguu.sq3", "DB_PATH": "/Users/go.johansson/PERSONAL_REPOS/Uguu/uguu.sq3",
"DB_USER": "NULL", "DB_USER": "NULL",
"DB_PASS": "NULL", "DB_PASS": "NULL",
"LOG_IP": false, "LOG_IP": true,
"ANTI_DUPE": false, "ANTI_DUPE": false,
"BLACKLIST_DB": true, "BLACKLIST_DB": true,
"FILTER_MODE": true, "FILTER_MODE": true,
"FILES_ROOT": "/path/files", "FILES_ROOT": "/Users/go.johansson/PERSONAL_REPOS/Uguu/dist/files/",
"FILES_RETRIES": 15, "FILES_RETRIES": 15,
"SSL": true, "SSL": "true",
"URL": "a.uguu.se", "URL": "a.uguu.se",
"NAME_LENGTH": 8,
"ID_CHARSET": "abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ", "ID_CHARSET": "abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ",
"BLOCKED_EXTENSIONS": [ "BLOCKED_EXTENSIONS": [
"exe", "exe",

37
static/js/app.js
View File

@ -1,25 +1,20 @@
/** /*
* Copyright (c) 2016 Luminarys <postmaster@gensok.io> * Uguu
* *
* Copyright (c) 2021 Eric Johansson (Nekunekus) <neku@pomf.se> * @copyright Copyright (c) 2022 Go Johansson (nekunekus) <neku@pomf.se> <github.com/nokonoko>
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * This program is free software: you can redistribute it and/or modify
* of this software and associated documentation files (the "Software"), to deal * it under the terms of the GNU General Public License as published by
* in the Software without restriction, including without limitation the rights * the Free Software Foundation, either version 3 of the License, or
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * (at your option) any later version.
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* *
* The above copyright notice and this permission notice shall be included in * This program is distributed in the hope that it will be useful,
* all copies or substantial portions of the Software. * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * You should have received a copy of the GNU General Public License
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * along with this program. If not, see <https://www.gnu.org/licenses/>.
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/ */
document.addEventListener('DOMContentLoaded', function () { document.addEventListener('DOMContentLoaded', function () {
@ -132,11 +127,9 @@
} else if (respStatus === 413) { } else if (respStatus === 413) {
link.textContent = 'File too big!'; link.textContent = 'File too big!';
url.appendChild(link); url.appendChild(link);
} else if (respStatus === 415) {
link.textContent = 'Filetype not allowed!';
url.appendChild(link);
} else { } else {
link.textContent = 'Server error!'; var response = JSON.parse(xhr.responseText);
link.textContent = response.description;
url.appendChild(link); url.appendChild(link);
} }
} }

2
static/php/grill.php
View File

@ -22,4 +22,4 @@ require_once 'includes/Core.namespace.php';
use Core\cuteGrills as cuteGrills; use Core\cuteGrills as cuteGrills;
cuteGrills::showGrills(); (new cuteGrills())->showGrills();

336
static/php/includes/Core.namespace.php
View File

@ -1,4 +1,5 @@
<?php <?php
/* /*
* Uguu * Uguu
* *
@ -18,8 +19,11 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>. * along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
namespace Core { namespace Core {
require_once 'Upload.class.php';
use PDO; use PDO;
use Upload as Upload; use Upload as Upload;
@ -51,9 +55,16 @@ namespace Core {
public static array $BLOCKED_MIME; public static array $BLOCKED_MIME;
public function __construct() public static function loadConfig()
{ {
$settings_array = json_decode(file_get_contents('/Users/go.johansson/PERSONAL_REPOS/Uguu/dist.json'), true); if (!file_exists('/Users/go.johansson/PERSONAL_REPOS/Uguu/dist.json')) {
throw new \Exception('Cant read settings file.', 500);
}
try {
$settings_array = json_decode(
file_get_contents('/Users/go.johansson/PERSONAL_REPOS/Uguu/dist.json'),
true
);
self::$DB_MODE = $settings_array['DB_MODE']; self::$DB_MODE = $settings_array['DB_MODE'];
self::$DB_PATH = $settings_array['DB_PATH']; self::$DB_PATH = $settings_array['DB_PATH'];
self::$DB_USER = $settings_array['DB_USER']; self::$DB_USER = $settings_array['DB_USER'];
@ -70,7 +81,11 @@ namespace Core {
self::$ID_CHARSET = $settings_array['ID_CHARSET']; self::$ID_CHARSET = $settings_array['ID_CHARSET'];
self::$BLOCKED_EXTENSIONS = $settings_array['BLOCKED_EXTENSIONS']; self::$BLOCKED_EXTENSIONS = $settings_array['BLOCKED_EXTENSIONS'];
self::$BLOCKED_MIME = $settings_array['BLOCKED_MIME']; self::$BLOCKED_MIME = $settings_array['BLOCKED_MIME'];
self::$DOUBLE_DOTS = array($settings_array['DOUBLE_DOTS']); self::$DOUBLE_DOTS = $settings_array['DOUBLE_DOTS'];
} catch (\Exception $e) {
throw new \Exception('Cant populate settings.', 500);
}
(new Database())->assemblePDO();
} }
} }
@ -78,84 +93,328 @@ namespace Core {
{ {
public static array $GRILLS; public static array $GRILLS;
public function __construct()
{
self::$GRILLS = array_slice(scandir('/Users/go.johansson/PERSONAL_REPOS/Uguu/dist/img/grills/'), 2);
}
public static function showGrills() public static function showGrills()
{ {
self::loadGrills();
if (!headers_sent()) { if (!headers_sent()) {
header('Location: ' . self::$GRILLS[array_rand(self::$GRILLS)], true, 303); header(
} 'Location: /img/grills/' .
self::$GRILLS[array_rand(self::$GRILLS)],
true,
303
);
} }
} }
public static function loadGrills()
{
self::$GRILLS = array_slice(scandir('img/grills/'), 2);
}
}
/**
* The Response class is a do-it-all for getting responses out in different
* formats.
*
* @todo Create sub-classes to split and extend this god object.
*/
class Response class Response
{ {
public function returnError($code, $message, $filename): bool|string /**
* Indicates response type used for routing.
*
* Valid strings are 'csv', 'html', 'json' and 'text'.
*
* @var string Response type
*/
private $type;
/**
* Indicates requested response type.
*
* Valid strings are 'csv', 'html', 'json', 'gyazo' and 'text'.
*
* @param string|null $response_type Response type
*/
public function __construct($response_type = null)
{ {
switch ($response_type) {
case 'csv':
header('Content-Type: text/csv; charset=UTF-8');
$this->type = $response_type;
break;
case 'html':
header('Content-Type: text/html; charset=UTF-8');
$this->type = $response_type;
break;
case 'json':
header('Content-Type: application/json; charset=UTF-8');
$this->type = $response_type;
break;
case 'gyazo':
header('Content-Type: text/plain; charset=UTF-8');
$this->type = 'text';
break;
case 'text':
header('Content-Type: text/plain; charset=UTF-8');
$this->type = $response_type;
break;
default:
header('Content-Type: application/json; charset=UTF-8');
$this->type = 'json';
$this->error(400, 'Invalid response type. Valid options are: csv, html, json, text.');
break;
}
}
/**
* Routes error messages depending on response type.
*
* @param int $code HTTP status code number
* @param int $desc descriptive error message
*
* @return void
*/
public function error($code, $desc)
{
$response = null;
switch ($this->type) {
case 'csv':
$response = $this->csvError($desc);
break;
case 'html':
$response = $this->htmlError($code, $desc);
break;
case 'json':
$response = $this->jsonError($code, $desc);
break;
case 'text':
$response = $this->textError($code, $desc);
break;
}
http_response_code($code); http_response_code($code);
header('Content-Type: application/json; charset=UTF-8'); echo $response;
self::cleanAndDie(); }
return json_encode(array(
/**
* Indicates with CSV body the request was invalid.
*
* @param int $description descriptive error message
*
* @return string error message in CSV format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function csvError($description)
{
return '"error"' . "\r\n" . "\"$description\"" . "\r\n";
}
/**
* Indicates with HTML body the request was invalid.
*
* @param int $code HTTP status code number
* @param int $description descriptive error message
*
* @return string error message in HTML format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function htmlError($code, $description)
{
return '<p>ERROR: (' . $code . ') ' . $description . '</p>';
}
/**
* Indicates with JSON body the request was invalid.
*
* @param int $code HTTP status code number
* @param int $description descriptive error message
*
* @return string error message in pretty-printed JSON format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function jsonError($code, $description)
{
return json_encode([
'success' => false, 'success' => false,
'file' => $filename, 'errorcode' => $code,
'code' => $code, 'description' => $description,
'description' => $message ], JSON_PRETTY_PRINT);
), JSON_FORCE_OBJECT);
} }
public function cleanAndDie() /**
* Indicates with plain text body the request was invalid.
*
* @param int $code HTTP status code number
* @param int $description descriptive error message
*
* @return string error message in plain text format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function textError($code, $description)
{ {
Settings::$DB = null; return 'ERROR: (' . $code . ') ' . $description;
} }
public function returnSuccess($files): bool|string /**
* Routes success messages depending on response type.
*
* @param mixed[] $files
*
* @return void
*/
public function send($files)
{ {
http_response_code('200'); $response = null;
header('Content-Type: application/json; charset=UTF-8');
return json_encode(array( switch ($this->type) {
case 'csv':
$response = $this->csvSuccess($files);
break;
case 'html':
$response = $this->htmlSuccess($files);
break;
case 'json':
$response = $this->jsonSuccess($files);
break;
case 'text':
$response = $this->textSuccess($files);
break;
}
http_response_code(200); // "200 OK". Success.
echo $response;
}
/**
* Indicates with CSV body the request was successful.
*
* @param mixed[] $files
*
* @return string success message in CSV format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function csvSuccess($files)
{
$result = '"name","url","hash","size"' . "\r\n";
foreach ($files as $file) {
$result .= '"' . $file['name'] . '"' . ',' .
'"' . $file['url'] . '"' . ',' .
'"' . $file['hash'] . '"' . ',' .
'"' . $file['size'] . '"' . "\r\n";
}
return $result;
}
/**
* Indicates with HTML body the request was successful.
*
* @param mixed[] $files
*
* @return string success message in HTML format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function htmlSuccess($files)
{
$result = '';
foreach ($files as $file) {
$result .= '<a href="' . $file['url'] . '">' . $file['url'] . '</a><br>';
}
return $result;
}
/**
* Indicates with JSON body the request was successful.
*
* @param mixed[] $files
*
* @return string success message in pretty-printed JSON format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function jsonSuccess($files)
{
return json_encode([
'success' => true, 'success' => true,
'files' => $files 'files' => $files,
), JSON_PRETTY_PRINT); ], JSON_PRETTY_PRINT);
}
/**
* Indicates with plain text body the request was successful.
*
* @param mixed[] $files
*
* @return string success message in plain text format
* @deprecated 2.1.0 Will be renamed to camelCase format.
*
*/
private static function textSuccess($files)
{
$result = '';
foreach ($files as $file) {
$result .= $file['url'] . "\n";
}
return $result;
} }
} }
class Database class Database
{ {
public static function assemblePDO()
public function __construct()
{ {
try {
Settings::$DB = new PDO( Settings::$DB = new PDO(
Settings::$DB_MODE . ':' . Settings::$DB_PATH, Settings::$DB_USER, Settings::$DB_MODE . ':' . Settings::$DB_PATH, Settings::$DB_USER,
Settings::$DB_PASS Settings::$DB_PASS
); );
} catch (\Exception $e) {
throw new \Exception('Cant connect to DB.', 500);
}
} }
public function dbCheckNameExists() public function dbCheckNameExists()
{ {
try {
$q = Settings::$DB->prepare('SELECT COUNT(filename) FROM files WHERE filename = (:name)'); $q = Settings::$DB->prepare('SELECT COUNT(filename) FROM files WHERE filename = (:name)');
$q->bindValue(':name', Upload::$NEW_NAME_FULL); $q->bindValue(':name', Upload::$NEW_NAME_FULL);
$q->execute(); $q->execute();
return $q->fetchColumn(); return $q->fetchColumn();
} catch (\Exception $e) {
throw new \Exception('Cant check if name exists in DB.', 500);
}
} }
public function checkFileBlacklist() public function checkFileBlacklist()
{ {
try {
$q = Settings::$DB->prepare('SELECT hash, COUNT(*) AS count FROM blacklist WHERE hash = (:hash)'); $q = Settings::$DB->prepare('SELECT hash, COUNT(*) AS count FROM blacklist WHERE hash = (:hash)');
$q->bindValue(':hash', Upload::$SHA1, PDO::PARAM_STR); $q->bindValue(':hash', Upload::$SHA1, PDO::PARAM_STR);
$q->execute(); $q->execute();
$result = $q->fetch(); $result = $q->fetch();
if ($result['count'] > 0) { if ($result['count'] > 0) {
(new Response())->returnError('415', 'File blacklisted!', Upload::$FILE_NAME); throw new \Exception('File blacklisted!', 415);
}
} catch (\Exception $e) {
throw new \Exception('Cant check blacklist DB.', 500);
} }
} }
public function antiDupe(): ?array public function antiDupe()
{ {
try {
$q = Settings::$DB->prepare( $q = Settings::$DB->prepare(
'SELECT filename, COUNT(*) AS count FROM files WHERE hash = (:hash) AND size = (:size)' 'SELECT filename, COUNT(*) AS count FROM files WHERE hash = (:hash) AND size = (:size)'
); );
@ -164,18 +423,16 @@ namespace Core {
$q->execute(); $q->execute();
$result = $q->fetch(); $result = $q->fetch();
if ($result['count'] > 0) { if ($result['count'] > 0) {
return array( Upload::$NEW_NAME_FULL = $result['filename'];
'hash' => Upload::$SHA1, }
'name' => Upload::$FILE_NAME, } catch (\Exception $e) {
'url' => Settings::$URL . rawurlencode($result['filename']), throw new \Exception('Cant check for dupes in DB.', 500);
'size' => Upload::$FILE_SIZE
);
} }
return [];
} }
public function newIntoDB() public function newIntoDB()
{ {
try {
$q = Settings::$DB->prepare( $q = Settings::$DB->prepare(
'INSERT INTO files (hash, originalname, filename, size, date, ip)' . 'INSERT INTO files (hash, originalname, filename, size, date, ip)' .
'VALUES (:hash, :orig, :name, :size, :date, :ip)' 'VALUES (:hash, :orig, :name, :size, :date, :ip)'
@ -187,6 +444,9 @@ namespace Core {
$q->bindValue(':date', time(), PDO::PARAM_STR); $q->bindValue(':date', time(), PDO::PARAM_STR);
$q->bindValue(':ip', Upload::$IP, PDO::PARAM_STR); $q->bindValue(':ip', Upload::$IP, PDO::PARAM_STR);
$q->execute(); $q->execute();
} catch (\Exception $e) {
throw new \Exception('Cant insert into DB.', 500);
}
} }
} }
} }

255
static/php/includes/Upload.class.php
View File

@ -22,169 +22,37 @@
require_once 'Core.namespace.php'; require_once 'Core.namespace.php';
use Core\Database as Database; use Core\Database as Database;
use Core\Response as Response;
use Core\Settings as Settings; use Core\Settings as Settings;
class Upload class Upload
{ {
public static string $FILE_NAME; public static string $FILE_NAME;
public static string $FILE_EXTENSION; public static string $FILE_EXTENSION;
public static string $FILE_MIME; public static string $FILE_MIME;
public static string $SHA1; public static string $SHA1;
public static int $FILE_SIZE;
public static string $NEW_NAME; public static string $NEW_NAME;
public static string $NEW_NAME_FULL; public static string $NEW_NAME_FULL;
public static string $IP; public static string $IP;
public mixed $file;
/** public static string $FILE_SIZE;
* @param $file public static string $TEMP_FILE;
*
* @return array
*/
public function uploadFile($file): array
{
if (Settings::$ANTI_DUPE) {
(new Database())->antiDupe();
}
self::generateName($file);
if (!move_uploaded_file($file->tempfile, Settings::$FILES_ROOT . self::$NEW_NAME_FULL)) {
(new Response())->returnError('500', 'Failed to move file to destination', self::$FILE_NAME);
}
if (!chmod(Settings::$FILES_ROOT . self::$NEW_NAME_FULL, 0644)) {
(new Response())->returnError('500', 'Failed to change file permissions', self::$FILE_NAME);
}
(new Database())->newIntoDB();
return array(
'hash' => self::$SHA1,
'name' => self::$FILE_NAME,
'url' => Settings::$URL . rawurlencode(self::$NEW_NAME_FULL),
'size' => self::$FILE_SIZE
);
}
/**
* @param $file
*
* @return string
*/
public function generateName($file): string
{
self::fileInfo($file);
do {
// Iterate until we reach the maximum number of retries
if (Settings::$FILES_RETRIES === 0) {
(new Response())->returnError('500', 'Gave up trying to find an unused name', self::$FILE_NAME);
}
for ($i = 0; $i < Settings::$NAME_LENGTH; ++$i) {
self::$NEW_NAME .= Settings::$ID_CHARSET[mt_rand(0, strlen(Settings::$ID_CHARSET))];
}
// Add the extension to the file name
if (isset(self::$FILE_EXTENSION) && self::$FILE_EXTENSION !== '') {
self::$NEW_NAME_FULL = self::$NEW_NAME . '.' . self::$FILE_EXTENSION;
}
// Check if the file hash is blacklisted
if (Settings::$BLACKLIST_DB) {
(new Database())->checkFileBlacklist();
}
// Check if extension or mime is blacklisted
if (Settings::$FILTER_MODE) {
self::checkMimeBlacklist();
self::checkExtensionBlacklist();
}
} while ((new Database())->dbCheckNameExists() > 0);
return self::$NEW_NAME_FULL;
}
/**
* @param $file
*
* @return void
*/
public function fileInfo($file)
{
if (isset($_FILES['files'])) {
self::$FILE_NAME = $file->name;
self::$SHA1 = sha1_file($file->tempfile);
self::$FILE_SIZE = $file->size;
$finfo = finfo_open(FILEINFO_MIME_TYPE);
self::$FILE_MIME = finfo_file($finfo, $file->tempfile);
finfo_close($finfo);
if (Settings::$LOG_IP) {
self::$IP = $_SERVER['REMOTE_ADDR'];
} else {
self::$IP = null;
}
// Check if extension is a double-dot extension and, if true, override $ext
foreach (Settings::$DOUBLE_DOTS as $ddot) {
if (stripos(strrev(self::$FILE_NAME), $ddot) === 0) {
self::$FILE_EXTENSION = strrev($ddot);
} else {
self::$FILE_EXTENSION = pathinfo($file->name, PATHINFO_EXTENSION);
}
}
}
}
/**
* @return void
*/
public function checkMimeBlacklist()
{
if (in_array(self::$FILE_MIME, Settings::$BLOCKED_MIME)) {
(new Response())->returnError('415', 'Filetype not allowed!', self::$FILE_NAME);
}
}
/**
* @return void
*/
protected function checkExtensionBlacklist()
{
if (in_array(self::$FILE_EXTENSION, Settings::$BLOCKED_EXTENSIONS)) {
(new Response())->returnError('415', 'Filetype not allowed!', self::$FILE_NAME);
}
}
/**
* @param $files
*
* @return array
*/
public function reFiles($files): array public function reFiles($files): array
{ {
$result = []; $result = [];
$files = self::diverseArray($files); $files = self::diverseArray($files);
foreach ($files as $file) { foreach ($files as $file) {
$f = $this->file; self::$FILE_NAME = $file['name'];
$f->name = $file['name']; self::$FILE_SIZE = $file['size'];
$f->mime = $file['type']; self::$TEMP_FILE = $file['tmp_name'];
$f->size = $file['size']; $result[] = [self::$FILE_NAME, self::$FILE_SIZE, self::$TEMP_FILE];
$f->tempfile = $file['tmp_name'];
$f->error = $file['error'];
$result[] = $f;
} }
return $result; return $result;
} }
/**
* @param $files
*
* @return array
*/
public function diverseArray($files): array public function diverseArray($files): array
{ {
$result = []; $result = [];
@ -194,7 +62,114 @@ class Upload
$result[$key2][$key1] = $value2; $result[$key2][$key1] = $value2;
} }
} }
return $result; return $result;
} }
public function uploadFile($file): array
{
(new Settings())->loadConfig();
if (Settings::$ANTI_DUPE) {
(new Database())->antiDupe();
}
(new Upload())->generateName($file);
if (!is_dir(Settings::$FILES_ROOT)) {
throw new Exception('File storage path not accessible.', 500);
}
if (!move_uploaded_file(self::$TEMP_FILE, Settings::$FILES_ROOT . self::$NEW_NAME_FULL)) {
throw new Exception('Failed to move file to destination', 500);
}
if (!chmod(Settings::$FILES_ROOT . self::$NEW_NAME_FULL, 0644)) {
throw new Exception('Failed to change file permissions', 500);
}
(new Database())->newIntoDB();
if (Settings::$SSL) {
$preURL = 'https://';
} else {
$preURL = 'http://';
}
return [
'hash' => self::$SHA1,
'name' => self::$FILE_NAME,
'url' => $preURL . Settings::$URL . '/' . rawurlencode(self::$NEW_NAME_FULL),
'size' => self::$FILE_SIZE
];
}
public function generateName($file): string
{
(new Upload())->fileInfo($file);
do {
if (Settings::$FILES_RETRIES === 0) {
throw new Exception('Gave up trying to find an unused name!', 500);
}
self::$NEW_NAME = '';
for ($i = 0; $i < Settings::$NAME_LENGTH; ++$i) {
self::$NEW_NAME .= Settings::$ID_CHARSET[mt_rand(0, strlen(Settings::$ID_CHARSET))];
}
if (isset(self::$FILE_EXTENSION) && self::$FILE_EXTENSION !== '') {
self::$NEW_NAME_FULL = self::$NEW_NAME . '.' . self::$FILE_EXTENSION;
}
if (Settings::$BLACKLIST_DB) {
(new Database())->checkFileBlacklist();
}
if (Settings::$FILTER_MODE) {
self::checkMimeBlacklist();
self::checkExtensionBlacklist();
}
} while ((new Database())->dbCheckNameExists() > 0);
return self::$NEW_NAME_FULL;
}
public function fileInfo($file)
{
if (isset($_FILES['files'])) {
self::$SHA1 = sha1_file(self::$TEMP_FILE);
$finfo = finfo_open(FILEINFO_MIME_TYPE);
self::$FILE_MIME = finfo_file($finfo, self::$TEMP_FILE);
finfo_close($finfo);
if (Settings::$LOG_IP) {
self::$IP = $_SERVER['REMOTE_ADDR'];
} else {
self::$IP = '0';
}
foreach (Settings::$DOUBLE_DOTS as $DDOT) {
if (stripos(strrev(self::$FILE_NAME), $DDOT) === 0) {
self::$FILE_EXTENSION = strrev($DDOT);
} else {
self::$FILE_EXTENSION = pathinfo(self::$FILE_NAME, PATHINFO_EXTENSION);
}
}
}
}
public function checkMimeBlacklist()
{
if (in_array(self::$FILE_MIME, Settings::$BLOCKED_MIME)) {
throw new Exception('Filetype not allowed.', 415);
}
}
public function checkExtensionBlacklist()
{
if (in_array(self::$FILE_EXTENSION, Settings::$BLOCKED_EXTENSIONS)) {
throw new Exception('Filetype not allowed.', 415);
}
}
} }

14
static/php/upload.php
View File

@ -20,18 +20,20 @@
require_once 'includes/Upload.class.php'; require_once 'includes/Upload.class.php';
use Core\Response as Response; $type = $_GET['output'] ?? 'json';
$response = (new Core\Response($type));
if (isset($_FILES['files'])) { if (isset($_FILES['files'])) {
$uploads = (new Upload())->reFiles($_FILES['files']); $uploads = (new Upload())->reFiles($_FILES['files']);
try {
foreach ($uploads as $upload) { foreach ($uploads as $upload) {
$res[] = (new Upload())->uploadFile($upload); $res[] = (new Upload())->uploadFile($upload);
} }
$response->send($res);
if (isset($res)) { } catch (Exception $e) {
(new Response())->returnSuccess($res); $response->error($e->getCode(), $e->getMessage());
}
} else { } else {
(new Response())->returnError(400, 'No input file(s)', 'N/A'); $response->error(400, 'No input file(s)');
}
} }