205 lines
6.2 KiB
PHP
205 lines
6.2 KiB
PHP
<?php
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/**
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* ZeroBin
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*
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* a zero-knowledge paste bin
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*
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* @link http://sebsauvage.net/wiki/doku.php?id=php:zerobin
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* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
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* @license http://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
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* @version 0.21.1
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*/
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/**
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* configuration
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*
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* parses configuration file, ensures default values present
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*/
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class configuration
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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 $_defaults = array(
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'main' => array(
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'discussion' => true,
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'opendiscussion' => false,
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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' => null,
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'sizelimit' => 2097152,
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'template' => 'bootstrap',
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'notice' => '',
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'base64version' => '2.1.9',
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'languageselection' => false,
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'languagedefault' => '',
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),
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'expire' => array(
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'default' => '1week',
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'clone' => true,
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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' => null,
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'dir' => 'data',
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),
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'model' => array(
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'class' => 'zerobin_data',
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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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);
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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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$config = parse_ini_file(PATH . 'cfg' . DIRECTORY_SEPARATOR . 'conf.ini', true);
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foreach (array('main', 'model') as $section) {
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if (!array_key_exists($section, $config)) {
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throw new Exception(i18n::_('ZeroBin requires configuration section [%s] to be present in configuration file.', $section), 2);
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}
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}
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foreach ($this->_defaults as $section => $values)
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{
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if (!array_key_exists($section, $config))
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{
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$this->_configuration[$section] = $this->_defaults[$section];
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if (array_key_exists('dir', $this->_configuration[$section]))
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{
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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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// provide different defaults for database model
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elseif ($section == 'model_options' && $this->_configuration['model']['class'] == 'zerobin_db')
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{
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$values = array(
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'dsn' => 'sqlite:' . PATH . 'data/db.sq3',
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'tbl' => null,
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'usr' => null,
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'pwd' => null,
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'opt' => array(PDO::ATTR_PERSISTENT => true),
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);
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}
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foreach ($values as $key => $val)
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{
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if ($key == 'dir')
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{
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$val = PATH . $val;
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}
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$result = $val;
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if (array_key_exists($key, $config[$section]))
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{
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if ($val === null)
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{
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$result = $config[$section][$key];
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}
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elseif (is_bool($val))
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{
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$val = strtolower($config[$section][$key]);
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if (in_array($val, array('true', 'yes', 'on')))
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{
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$result = true;
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}
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elseif (in_array($val, array('false', 'no', 'off')))
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{
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$result = false;
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}
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else
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{
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$result = (bool) $config[$section][$key];
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}
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}
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elseif (is_int($val))
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{
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$result = (int) $config[$section][$key];
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}
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elseif (is_string($val) && !empty($config[$section][$key]))
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{
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$result = (string) $config[$section][$key];
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}
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}
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$this->_configuration[$section][$key] = $result;
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}
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}
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}
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/**
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* get configuration as array
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*
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* return array
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*/
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public function get()
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{
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return $this->_configuration;
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}
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/**
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* get a key from the configuration, typically the main section or all keys
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*
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* @param string $key
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* @param string $section defaults to main
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* @throws Exception
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* return mixed
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*/
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public function getKey($key, $section = 'main')
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{
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$options = $this->getSection($section);
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if (!array_key_exists($key, $options))
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{
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throw new Exception(i18n::_('Invalid data.') . " $section / $key", 4);
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}
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return $this->_configuration[$section][$key];
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}
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/**
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* get a key from the configuration, typically the main section or all keys
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*
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* @param string $key if empty, return all configuration options
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* @param string $section defaults to main
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* @throws Exception
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* return mixed
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*/
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public function getSection($section)
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{
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if (!array_key_exists($section, $this->_configuration))
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{
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throw new Exception(i18n::_('ZeroBin requires configuration section [%s] to be present in configuration file.', $section), 3);
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}
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return $this->_configuration[$section];
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}
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}
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