2024-06-04 01:13:55 -04:00
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<?php declare(strict_types=1);
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2015-09-22 17:21:31 -04:00
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/**
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2016-07-11 05:58:15 -04:00
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* PrivateBin
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2015-09-22 17:21:31 -04:00
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*
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* a zero-knowledge paste bin
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*
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2016-07-11 05:58:15 -04:00
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* @link https://github.com/PrivateBin/PrivateBin
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2015-09-22 17:21:31 -04:00
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* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
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2016-07-19 07:56:52 -04:00
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* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
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2015-09-22 17:21:31 -04:00
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*/
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2016-12-12 12:43:23 -05:00
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2016-12-12 12:50:00 -05:00
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namespace PrivateBin;
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2016-07-21 11:09:48 -04:00
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use Exception;
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2015-09-22 17:21:31 -04:00
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/**
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2016-08-09 05:54:42 -04:00
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* Configuration
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2015-09-22 17:21:31 -04:00
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*
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* parses configuration file, ensures default values present
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*/
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2016-08-09 05:54:42 -04:00
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class Configuration
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2015-09-22 17:21:31 -04:00
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{
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/**
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* parsed configuration
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*
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* @var array
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*/
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private $_configuration;
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/**
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* default configuration
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*
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* @var array
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*/
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private static $_defaults = array(
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'main' => array(
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'name' => 'PrivateBin',
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'basepath' => '',
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'discussion' => true,
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'opendiscussion' => false,
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'discussiondatedisplay' => true,
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'password' => true,
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'fileupload' => false,
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'burnafterreadingselected' => false,
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'defaultformatter' => 'plaintext',
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'syntaxhighlightingtheme' => '',
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'sizelimit' => 10485760,
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'template' => 'bootstrap',
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'info' => 'More information on the <a href=\'https://privatebin.info/\'>project page</a>.',
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'notice' => '',
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'languageselection' => false,
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'languagedefault' => '',
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'urlshortener' => '',
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'qrcode' => true,
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'email' => true,
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'icon' => 'identicon',
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'cspheader' => 'default-src \'none\'; base-uri \'self\'; form-action \'none\'; manifest-src \'self\'; connect-src * blob:; script-src \'self\' \'wasm-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',
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'zerobincompatibility' => false,
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'httpwarning' => true,
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'compression' => 'zlib',
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),
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'expire' => array(
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'default' => '1week',
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),
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'expire_options' => array(
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'5min' => 300,
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'10min' => 600,
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'1hour' => 3600,
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'1day' => 86400,
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'1week' => 604800,
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'1month' => 2592000,
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'1year' => 31536000,
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'never' => 0,
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),
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'formatter_options' => array(
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'plaintext' => 'Plain Text',
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'syntaxhighlighting' => 'Source Code',
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'markdown' => 'Markdown',
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),
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'traffic' => array(
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'limit' => 10,
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'header' => '',
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'exempted' => '',
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'creators' => '',
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),
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'purge' => array(
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'limit' => 300,
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'batchsize' => 10,
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),
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'model' => array(
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'class' => 'Filesystem',
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),
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'model_options' => array(
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'dir' => 'data',
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),
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'yourls' => array(
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'signature' => '',
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'apiurl' => '',
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),
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// update this array when adding/changing/removing js files
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'sri' => array(
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'js/base-x-4.0.0.js' => 'sha512-nNPg5IGCwwrveZ8cA/yMGr5HiRS5Ps2H+s0J/mKTPjCPWUgFGGw7M5nqdnPD3VsRwCVysUh3Y8OWjeSKGkEQJQ==',
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'js/base64-1.7.js' => 'sha512-JdwsSP3GyHR+jaCkns9CL9NTt4JUJqm/BsODGmYhBcj5EAPKcHYh+OiMfyHbcDLECe17TL0hjXADFkusAqiYgA==',
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'js/bootstrap-3.4.1.js' => 'sha512-oBTprMeNEKCnqfuqKd6sbvFzmFQtlXS3e0C/RGFV0hD6QzhHV+ODfaQbAlmY6/q0ubbwlAM/nCJjkrgA3waLzg==',
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'js/bootstrap-5.3.3.js' => 'sha512-in2rcOpLTdJ7/pw5qjF4LWHFRtgoBDxXCy49H4YGOcVdGiPaQucGIbOqxt1JvmpvOpq3J/C7VTa0FlioakB2gQ==',
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'js/dark-mode-switch.js' => 'sha512-CCbdHdeWDbDO7aqFFmhgnvFESzaILHbUYmbhNjTpcjyO/XYdouQ9Pw8W9rpV8oJT1TsK5FbwSHU1oazmnb7BWA==',
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'js/jquery-3.7.1.js' => 'sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==',
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'js/kjua-0.9.0.js' => 'sha512-CVn7af+vTMBd9RjoS4QM5fpLFEOtBCoB0zPtaqIDC7sF4F8qgUSRFQQpIyEDGsr6yrjbuOLzdf20tkHHmpaqwQ==',
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2024-11-26 01:01:34 -05:00
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'js/legacy.js' => 'sha512-UxW/TOZKon83n6dk/09GsYKIyeO5LeBHokxyIq+r7KFS5KMBeIB/EM7NrkVYIezwZBaovnyNtY2d9tKFicRlXg==',
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2024-07-09 15:48:40 -04:00
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'js/prettify.js' => 'sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==',
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2024-10-18 17:08:02 -04:00
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'js/privatebin.js' => 'sha512-JUj/Sbl/bMHlIoIUT1U9e89JU33fDBxCxLSGxwwaeydBFXOBHyfdF7hwSIjgbPxb4d9CO7CSe4meouTIRMy8Vg==',
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2024-10-19 05:17:53 -04:00
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'js/purify-3.1.7.js' => 'sha512-LegvqULiMtOfboJZw9MpETN/b+xnLRXZI90gG7oIFHW+yAeHmKvRtEUbiMFx2WvUqQoL9XB3gwU+hWXUT0X+8A==',
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2024-07-09 15:48:40 -04:00
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'js/rawinflate-0.3.js' => 'sha512-g8uelGgJW9A/Z1tB6Izxab++oj5kdD7B4qC7DHwZkB6DGMXKyzx7v5mvap2HXueI2IIn08YlRYM56jwWdm2ucQ==',
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'js/showdown-2.1.0.js' => 'sha512-WYXZgkTR0u/Y9SVIA4nTTOih0kXMEd8RRV6MLFdL6YU8ymhR528NLlYQt1nlJQbYz4EW+ZsS0fx1awhiQJme1Q==',
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2024-11-24 15:15:56 -05:00
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'js/zlib-1.3.1.js' => 'sha512-5bU9IIP4PgBrOKLZvGWJD4kgfQrkTz8Z3Iqeu058mbQzW3mCumOU6M3UVbVZU9rrVoVwaW4cZK8U8h5xjF88eQ==',
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2024-07-07 10:36:52 -04:00
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),
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2015-09-22 17:21:31 -04:00
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);
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/**
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* parse configuration file and ensure default configuration values are present
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*
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* @throws Exception
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*/
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public function __construct()
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{
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2021-08-19 13:28:52 -04:00
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$basePaths = array();
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2016-08-15 10:45:47 -04:00
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$config = array();
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2021-08-19 04:21:21 -04:00
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$configPath = getenv('CONFIG_PATH');
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if ($configPath !== false && !empty($configPath)) {
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$basePaths[] = $configPath;
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}
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$basePaths[] = PATH . 'cfg';
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foreach ($basePaths as $basePath) {
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$configFile = $basePath . DIRECTORY_SEPARATOR . 'conf.php';
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if (is_readable($configFile)) {
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$config = parse_ini_file($configFile, true);
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foreach (array('main', 'model', 'model_options') as $section) {
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if (!array_key_exists($section, $config)) {
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throw new Exception(I18n::_('PrivateBin requires configuration section [%s] to be present in configuration file.', $section), 2);
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}
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2015-10-22 15:13:15 -04:00
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}
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break;
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}
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}
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2017-10-04 15:55:03 -04:00
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2015-10-24 02:44:17 -04:00
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$opts = '_options';
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foreach (self::getDefaults() as $section => $values) {
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// fill missing sections with default values
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2016-07-26 02:19:35 -04:00
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if (!array_key_exists($section, $config) || count($config[$section]) == 0) {
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2015-10-24 02:44:17 -04:00
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$this->_configuration[$section] = $values;
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2016-07-26 02:19:35 -04:00
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if (array_key_exists('dir', $this->_configuration[$section])) {
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2015-09-22 17:21:31 -04:00
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$this->_configuration[$section]['dir'] = PATH . $this->_configuration[$section]['dir'];
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}
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continue;
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}
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2015-09-26 21:03:55 -04:00
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// provide different defaults for database model
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2016-07-13 03:41:45 -04:00
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elseif (
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$section == 'model_options' && in_array(
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$this->_configuration['model']['class'],
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2016-08-09 05:54:42 -04:00
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array('Database', 'privatebin_db', 'zerobin_db')
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2016-07-13 03:41:45 -04:00
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)
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2016-07-26 02:19:35 -04:00
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) {
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2015-09-26 21:03:55 -04:00
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$values = array(
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2016-08-09 05:54:42 -04:00
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'dsn' => 'sqlite:' . PATH . 'data' . DIRECTORY_SEPARATOR . 'db.sq3',
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2015-09-26 21:03:55 -04:00
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'tbl' => null,
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'usr' => null,
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'pwd' => null,
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'opt' => array(),
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2015-09-26 21:03:55 -04:00
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);
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2021-05-28 16:39:50 -04:00
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} elseif (
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$section == 'model_options' && in_array(
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$this->_configuration['model']['class'],
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array('GoogleCloudStorage')
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)
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) {
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$values = array(
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'bucket' => getenv('PRIVATEBIN_GCS_BUCKET') ? getenv('PRIVATEBIN_GCS_BUCKET') : null,
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'prefix' => 'pastes',
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'uniformacl' => false,
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);
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2022-10-20 17:23:01 -04:00
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} elseif (
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$section == 'model_options' && in_array(
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$this->_configuration['model']['class'],
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array('S3Storage')
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)
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) {
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$values = array(
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'region' => null,
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'version' => null,
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'endpoint' => null,
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'accesskey' => null,
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'secretkey' => null,
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'use_path_style_endpoint' => null,
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'bucket' => null,
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'prefix' => '',
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);
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2015-09-26 21:03:55 -04:00
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}
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2015-10-24 02:44:17 -04:00
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// "*_options" sections don't require all defaults to be set
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if (
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$section !== 'model_options' &&
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($from = strlen($section) - strlen($opts)) >= 0 &&
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strpos($section, $opts, $from) !== false
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2016-07-26 02:19:35 -04:00
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) {
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if (is_int(current($values))) {
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2015-10-24 02:44:17 -04:00
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$config[$section] = array_map('intval', $config[$section]);
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}
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2015-10-24 02:44:17 -04:00
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$this->_configuration[$section] = $config[$section];
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}
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// check for missing keys and set defaults if necessary
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2016-07-26 02:19:35 -04:00
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else {
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// preserve configured SRI hashes
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if ($section == 'sri' && array_key_exists($section, $config)) {
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$this->_configuration[$section] = $config[$section];
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}
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2016-07-26 02:19:35 -04:00
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foreach ($values as $key => $val) {
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if ($key == 'dir') {
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2015-10-24 02:44:17 -04:00
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$val = PATH . $val;
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2015-09-22 17:21:31 -04:00
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}
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$result = $val;
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2016-07-26 02:19:35 -04:00
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if (array_key_exists($key, $config[$section])) {
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if ($val === null) {
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2015-10-24 02:44:17 -04:00
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$result = $config[$section][$key];
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2016-07-26 02:19:35 -04:00
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} elseif (is_bool($val)) {
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2015-10-24 02:44:17 -04:00
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$val = strtolower($config[$section][$key]);
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2016-07-26 02:19:35 -04:00
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if (in_array($val, array('true', 'yes', 'on'))) {
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2015-10-24 02:44:17 -04:00
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$result = true;
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2016-07-26 02:19:35 -04:00
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} elseif (in_array($val, array('false', 'no', 'off'))) {
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2015-10-24 02:44:17 -04:00
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$result = false;
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2016-07-26 02:19:35 -04:00
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} else {
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2015-10-24 02:44:17 -04:00
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$result = (bool) $config[$section][$key];
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}
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2016-07-26 02:19:35 -04:00
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} elseif (is_int($val)) {
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2015-10-24 02:44:17 -04:00
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$result = (int) $config[$section][$key];
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2016-07-26 02:19:35 -04:00
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} elseif (is_string($val) && !empty($config[$section][$key])) {
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2015-10-24 02:44:17 -04:00
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$result = (string) $config[$section][$key];
|
2024-09-02 18:16:17 -04:00
|
|
|
} elseif (is_array($val) && is_array($config[$section][$key])) {
|
|
|
|
$result = $config[$section][$key];
|
2015-09-22 17:21:31 -04:00
|
|
|
}
|
|
|
|
}
|
2015-10-24 02:44:17 -04:00
|
|
|
$this->_configuration[$section][$key] = $result;
|
2015-09-22 17:21:31 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-10-24 02:44:17 -04:00
|
|
|
|
2016-07-22 09:31:42 -04:00
|
|
|
// support for old config file format, before the fork was renamed and PSR-4 introduced
|
2016-07-13 03:41:45 -04:00
|
|
|
$this->_configuration['model']['class'] = str_replace(
|
|
|
|
'zerobin_', 'privatebin_',
|
|
|
|
$this->_configuration['model']['class']
|
|
|
|
);
|
|
|
|
|
2016-07-22 09:31:42 -04:00
|
|
|
$this->_configuration['model']['class'] = str_replace(
|
|
|
|
array('privatebin_data', 'privatebin_db'),
|
2016-08-09 05:54:42 -04:00
|
|
|
array('Filesystem', 'Database'),
|
2016-07-22 09:31:42 -04:00
|
|
|
$this->_configuration['model']['class']
|
|
|
|
);
|
|
|
|
|
2015-10-24 02:44:17 -04:00
|
|
|
// ensure a valid expire default key is set
|
2016-07-26 02:19:35 -04:00
|
|
|
if (!array_key_exists($this->_configuration['expire']['default'], $this->_configuration['expire_options'])) {
|
2015-10-24 02:44:17 -04:00
|
|
|
$this->_configuration['expire']['default'] = key($this->_configuration['expire_options']);
|
|
|
|
}
|
2022-11-03 02:47:50 -04:00
|
|
|
|
|
|
|
// ensure the basepath ends in a slash, if one is set
|
|
|
|
if (
|
2024-04-18 15:36:43 -04:00
|
|
|
!empty($this->_configuration['main']['basepath']) &&
|
2022-11-03 02:47:50 -04:00
|
|
|
substr_compare($this->_configuration['main']['basepath'], '/', -1) !== 0
|
|
|
|
) {
|
|
|
|
$this->_configuration['main']['basepath'] .= '/';
|
|
|
|
}
|
2015-09-22 17:21:31 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* get configuration as array
|
|
|
|
*
|
2018-05-27 09:18:25 -04:00
|
|
|
* @return array
|
2015-09-22 17:21:31 -04:00
|
|
|
*/
|
|
|
|
public function get()
|
|
|
|
{
|
|
|
|
return $this->_configuration;
|
|
|
|
}
|
|
|
|
|
2016-07-11 08:15:20 -04:00
|
|
|
/**
|
|
|
|
* get default configuration as array
|
|
|
|
*
|
2018-05-27 09:18:25 -04:00
|
|
|
* @return array
|
2016-07-11 08:15:20 -04:00
|
|
|
*/
|
|
|
|
public static function getDefaults()
|
|
|
|
{
|
|
|
|
return self::$_defaults;
|
|
|
|
}
|
2015-09-22 17:21:31 -04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* get a key from the configuration, typically the main section or all keys
|
|
|
|
*
|
|
|
|
* @param string $key
|
|
|
|
* @param string $section defaults to main
|
|
|
|
* @throws Exception
|
2018-05-27 09:18:25 -04:00
|
|
|
* @return mixed
|
2015-09-22 17:21:31 -04:00
|
|
|
*/
|
|
|
|
public function getKey($key, $section = 'main')
|
|
|
|
{
|
|
|
|
$options = $this->getSection($section);
|
2016-07-26 02:19:35 -04:00
|
|
|
if (!array_key_exists($key, $options)) {
|
2016-08-09 05:54:42 -04:00
|
|
|
throw new Exception(I18n::_('Invalid data.') . " $section / $key", 4);
|
2015-09-22 17:21:31 -04:00
|
|
|
}
|
|
|
|
return $this->_configuration[$section][$key];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2016-07-06 08:12:14 -04:00
|
|
|
* get a section from the configuration, must exist
|
2015-09-22 17:21:31 -04:00
|
|
|
*
|
2016-07-06 08:12:14 -04:00
|
|
|
* @param string $section
|
2015-09-22 17:21:31 -04:00
|
|
|
* @throws Exception
|
2018-05-27 09:18:25 -04:00
|
|
|
* @return mixed
|
2015-09-22 17:21:31 -04:00
|
|
|
*/
|
|
|
|
public function getSection($section)
|
|
|
|
{
|
2016-07-26 02:19:35 -04:00
|
|
|
if (!array_key_exists($section, $this->_configuration)) {
|
2017-01-01 10:33:11 -05:00
|
|
|
throw new Exception(I18n::_('%s requires configuration section [%s] to be present in configuration file.', I18n::_($this->getKey('name')), $section), 3);
|
2015-09-22 17:21:31 -04:00
|
|
|
}
|
|
|
|
return $this->_configuration[$section];
|
|
|
|
}
|
|
|
|
}
|