mirror of
https://github.com/PrivateBin/PrivateBin.git
synced 2024-12-25 07:19:31 -05:00
8b3b16be44
- addresses #1365 - should make upgrades easier for those using custom templates - if the JS files got customized, the default SRI hashes can be replaced in the conf.php file, added commented section in conf.sample.php
319 lines
13 KiB
PHP
319 lines
13 KiB
PHP
<?php declare(strict_types=1);
|
|
/**
|
|
* PrivateBin
|
|
*
|
|
* a zero-knowledge paste bin
|
|
*
|
|
* @link https://github.com/PrivateBin/PrivateBin
|
|
* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
|
|
* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
|
|
*/
|
|
|
|
namespace PrivateBin;
|
|
|
|
use Exception;
|
|
use PDO;
|
|
|
|
/**
|
|
* Configuration
|
|
*
|
|
* parses configuration file, ensures default values present
|
|
*/
|
|
class Configuration
|
|
{
|
|
/**
|
|
* parsed configuration
|
|
*
|
|
* @var array
|
|
*/
|
|
private $_configuration;
|
|
|
|
/**
|
|
* default configuration
|
|
*
|
|
* @var array
|
|
*/
|
|
private static $_defaults = array(
|
|
'main' => array(
|
|
'name' => 'PrivateBin',
|
|
'basepath' => '',
|
|
'discussion' => true,
|
|
'opendiscussion' => false,
|
|
'discussiondatedisplay' => true,
|
|
'password' => true,
|
|
'fileupload' => false,
|
|
'burnafterreadingselected' => false,
|
|
'defaultformatter' => 'plaintext',
|
|
'syntaxhighlightingtheme' => '',
|
|
'sizelimit' => 10485760,
|
|
'template' => 'bootstrap',
|
|
'info' => 'More information on the <a href=\'https://privatebin.info/\'>project page</a>.',
|
|
'notice' => '',
|
|
'languageselection' => false,
|
|
'languagedefault' => '',
|
|
'urlshortener' => '',
|
|
'qrcode' => true,
|
|
'email' => true,
|
|
'icon' => 'identicon',
|
|
'cspheader' => 'default-src \'none\'; base-uri \'self\'; form-action \'none\'; manifest-src \'self\'; connect-src * blob:; script-src \'self\' \'unsafe-eval\'; style-src \'self\'; font-src \'self\'; frame-ancestors \'none\'; img-src \'self\' data: blob:; media-src blob:; object-src blob:; sandbox allow-same-origin allow-scripts allow-forms allow-popups allow-modals allow-downloads',
|
|
'zerobincompatibility' => false,
|
|
'httpwarning' => true,
|
|
'compression' => 'zlib',
|
|
),
|
|
'expire' => array(
|
|
'default' => '1week',
|
|
),
|
|
'expire_options' => array(
|
|
'5min' => 300,
|
|
'10min' => 600,
|
|
'1hour' => 3600,
|
|
'1day' => 86400,
|
|
'1week' => 604800,
|
|
'1month' => 2592000,
|
|
'1year' => 31536000,
|
|
'never' => 0,
|
|
),
|
|
'formatter_options' => array(
|
|
'plaintext' => 'Plain Text',
|
|
'syntaxhighlighting' => 'Source Code',
|
|
'markdown' => 'Markdown',
|
|
),
|
|
'traffic' => array(
|
|
'limit' => 10,
|
|
'header' => '',
|
|
'exempted' => '',
|
|
'creators' => '',
|
|
),
|
|
'purge' => array(
|
|
'limit' => 300,
|
|
'batchsize' => 10,
|
|
),
|
|
'model' => array(
|
|
'class' => 'Filesystem',
|
|
),
|
|
'model_options' => array(
|
|
'dir' => 'data',
|
|
),
|
|
'yourls' => array(
|
|
'signature' => '',
|
|
'apiurl' => '',
|
|
),
|
|
// update this array when adding/changing/removing js files
|
|
'sri' => array(
|
|
'js/base-x-4.0.0.js' => 'sha512-nNPg5IGCwwrveZ8cA/yMGr5HiRS5Ps2H+s0J/mKTPjCPWUgFGGw7M5nqdnPD3VsRwCVysUh3Y8OWjeSKGkEQJQ==',
|
|
'js/base64-1.7.js' => 'sha512-JdwsSP3GyHR+jaCkns9CL9NTt4JUJqm/BsODGmYhBcj5EAPKcHYh+OiMfyHbcDLECe17TL0hjXADFkusAqiYgA==',
|
|
'js/bootstrap-3.4.1.js' => 'sha512-oBTprMeNEKCnqfuqKd6sbvFzmFQtlXS3e0C/RGFV0hD6QzhHV+ODfaQbAlmY6/q0ubbwlAM/nCJjkrgA3waLzg==',
|
|
'js/bootstrap-5.3.3.js' => 'sha512-in2rcOpLTdJ7/pw5qjF4LWHFRtgoBDxXCy49H4YGOcVdGiPaQucGIbOqxt1JvmpvOpq3J/C7VTa0FlioakB2gQ==',
|
|
'js/dark-mode-switch.js' => 'sha512-CCbdHdeWDbDO7aqFFmhgnvFESzaILHbUYmbhNjTpcjyO/XYdouQ9Pw8W9rpV8oJT1TsK5FbwSHU1oazmnb7BWA==',
|
|
'js/jquery-3.7.1.js' => 'sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==',
|
|
'js/kjua-0.9.0.js' => 'sha512-CVn7af+vTMBd9RjoS4QM5fpLFEOtBCoB0zPtaqIDC7sF4F8qgUSRFQQpIyEDGsr6yrjbuOLzdf20tkHHmpaqwQ==',
|
|
'js/legacy.js' => 'sha512-LYos+qXHIRqFf5ZPNphvtTB0cgzHUizu2wwcOwcwz/VIpRv9lpcBgPYz4uq6jx0INwCAj6Fbnl5HoKiLufS2jg==',
|
|
'js/prettify.js' => 'sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==',
|
|
'js/privatebin.js' => 'sha512-cbmXvtZ/5gZPFjQDzP3IEhUAIhFPAoM31gw2kRYCT5xOh8wv9gXeDqI/t798luRW1xdC4gaYodjEFCzrsZR4mA==',
|
|
'js/purify-3.1.3.js' => 'sha512-t/FKG/ucQVMWTWVouSMABSEx1r+uSyAI9eNDq0KEr9mPhkgxpJztHI/E72JIpv/+VwPs/Q4husxj14TE9Ps/wg==',
|
|
'js/rawinflate-0.3.js' => 'sha512-g8uelGgJW9A/Z1tB6Izxab++oj5kdD7B4qC7DHwZkB6DGMXKyzx7v5mvap2HXueI2IIn08YlRYM56jwWdm2ucQ==',
|
|
'js/showdown-2.1.0.js' => 'sha512-WYXZgkTR0u/Y9SVIA4nTTOih0kXMEd8RRV6MLFdL6YU8ymhR528NLlYQt1nlJQbYz4EW+ZsS0fx1awhiQJme1Q==',
|
|
'js/zlib-1.3.1.js' => 'sha512-Z90oppVx/mn0DG2k9airjFVQuliELlXLeT3SRiO6MLiUSbhGlAq+UFwmYbG4i9mwW87dkG8fgJPapGwnUq7Osg==',
|
|
),
|
|
);
|
|
|
|
/**
|
|
* parse configuration file and ensure default configuration values are present
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
public function __construct()
|
|
{
|
|
$basePaths = array();
|
|
$config = array();
|
|
$configPath = getenv('CONFIG_PATH');
|
|
if ($configPath !== false && !empty($configPath)) {
|
|
$basePaths[] = $configPath;
|
|
}
|
|
$basePaths[] = PATH . 'cfg';
|
|
foreach ($basePaths as $basePath) {
|
|
$configFile = $basePath . DIRECTORY_SEPARATOR . 'conf.php';
|
|
if (is_readable($configFile)) {
|
|
$config = parse_ini_file($configFile, true);
|
|
foreach (array('main', 'model', 'model_options') as $section) {
|
|
if (!array_key_exists($section, $config)) {
|
|
throw new Exception(I18n::_('PrivateBin requires configuration section [%s] to be present in configuration file.', $section), 2);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
$opts = '_options';
|
|
foreach (self::getDefaults() as $section => $values) {
|
|
// fill missing sections with default values
|
|
if (!array_key_exists($section, $config) || count($config[$section]) == 0) {
|
|
$this->_configuration[$section] = $values;
|
|
if (array_key_exists('dir', $this->_configuration[$section])) {
|
|
$this->_configuration[$section]['dir'] = PATH . $this->_configuration[$section]['dir'];
|
|
}
|
|
continue;
|
|
}
|
|
// provide different defaults for database model
|
|
elseif (
|
|
$section == 'model_options' && in_array(
|
|
$this->_configuration['model']['class'],
|
|
array('Database', 'privatebin_db', 'zerobin_db')
|
|
)
|
|
) {
|
|
$values = array(
|
|
'dsn' => 'sqlite:' . PATH . 'data' . DIRECTORY_SEPARATOR . 'db.sq3',
|
|
'tbl' => null,
|
|
'usr' => null,
|
|
'pwd' => null,
|
|
'opt' => array(PDO::ATTR_PERSISTENT => true),
|
|
);
|
|
} elseif (
|
|
$section == 'model_options' && in_array(
|
|
$this->_configuration['model']['class'],
|
|
array('GoogleCloudStorage')
|
|
)
|
|
) {
|
|
$values = array(
|
|
'bucket' => getenv('PRIVATEBIN_GCS_BUCKET') ? getenv('PRIVATEBIN_GCS_BUCKET') : null,
|
|
'prefix' => 'pastes',
|
|
'uniformacl' => false,
|
|
);
|
|
} elseif (
|
|
$section == 'model_options' && in_array(
|
|
$this->_configuration['model']['class'],
|
|
array('S3Storage')
|
|
)
|
|
) {
|
|
$values = array(
|
|
'region' => null,
|
|
'version' => null,
|
|
'endpoint' => null,
|
|
'accesskey' => null,
|
|
'secretkey' => null,
|
|
'use_path_style_endpoint' => null,
|
|
'bucket' => null,
|
|
'prefix' => '',
|
|
);
|
|
}
|
|
|
|
// "*_options" sections don't require all defaults to be set
|
|
if (
|
|
$section !== 'model_options' &&
|
|
($from = strlen($section) - strlen($opts)) >= 0 &&
|
|
strpos($section, $opts, $from) !== false
|
|
) {
|
|
if (is_int(current($values))) {
|
|
$config[$section] = array_map('intval', $config[$section]);
|
|
}
|
|
$this->_configuration[$section] = $config[$section];
|
|
}
|
|
// check for missing keys and set defaults if necessary
|
|
else {
|
|
foreach ($values as $key => $val) {
|
|
if ($key == 'dir') {
|
|
$val = PATH . $val;
|
|
}
|
|
$result = $val;
|
|
if (array_key_exists($key, $config[$section])) {
|
|
if ($val === null) {
|
|
$result = $config[$section][$key];
|
|
} elseif (is_bool($val)) {
|
|
$val = strtolower($config[$section][$key]);
|
|
if (in_array($val, array('true', 'yes', 'on'))) {
|
|
$result = true;
|
|
} elseif (in_array($val, array('false', 'no', 'off'))) {
|
|
$result = false;
|
|
} else {
|
|
$result = (bool) $config[$section][$key];
|
|
}
|
|
} elseif (is_int($val)) {
|
|
$result = (int) $config[$section][$key];
|
|
} elseif (is_string($val) && !empty($config[$section][$key])) {
|
|
$result = (string) $config[$section][$key];
|
|
}
|
|
}
|
|
$this->_configuration[$section][$key] = $result;
|
|
}
|
|
}
|
|
}
|
|
|
|
// support for old config file format, before the fork was renamed and PSR-4 introduced
|
|
$this->_configuration['model']['class'] = str_replace(
|
|
'zerobin_', 'privatebin_',
|
|
$this->_configuration['model']['class']
|
|
);
|
|
|
|
$this->_configuration['model']['class'] = str_replace(
|
|
array('privatebin_data', 'privatebin_db'),
|
|
array('Filesystem', 'Database'),
|
|
$this->_configuration['model']['class']
|
|
);
|
|
|
|
// ensure a valid expire default key is set
|
|
if (!array_key_exists($this->_configuration['expire']['default'], $this->_configuration['expire_options'])) {
|
|
$this->_configuration['expire']['default'] = key($this->_configuration['expire_options']);
|
|
}
|
|
|
|
// ensure the basepath ends in a slash, if one is set
|
|
if (
|
|
!empty($this->_configuration['main']['basepath']) &&
|
|
substr_compare($this->_configuration['main']['basepath'], '/', -1) !== 0
|
|
) {
|
|
$this->_configuration['main']['basepath'] .= '/';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get configuration as array
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get()
|
|
{
|
|
return $this->_configuration;
|
|
}
|
|
|
|
/**
|
|
* get default configuration as array
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function getDefaults()
|
|
{
|
|
return self::$_defaults;
|
|
}
|
|
|
|
/**
|
|
* get a key from the configuration, typically the main section or all keys
|
|
*
|
|
* @param string $key
|
|
* @param string $section defaults to main
|
|
* @throws Exception
|
|
* @return mixed
|
|
*/
|
|
public function getKey($key, $section = 'main')
|
|
{
|
|
$options = $this->getSection($section);
|
|
if (!array_key_exists($key, $options)) {
|
|
throw new Exception(I18n::_('Invalid data.') . " $section / $key", 4);
|
|
}
|
|
return $this->_configuration[$section][$key];
|
|
}
|
|
|
|
/**
|
|
* get a section from the configuration, must exist
|
|
*
|
|
* @param string $section
|
|
* @throws Exception
|
|
* @return mixed
|
|
*/
|
|
public function getSection($section)
|
|
{
|
|
if (!array_key_exists($section, $this->_configuration)) {
|
|
throw new Exception(I18n::_('%s requires configuration section [%s] to be present in configuration file.', I18n::_($this->getKey('name')), $section), 3);
|
|
}
|
|
return $this->_configuration[$section];
|
|
}
|
|
}
|