b74b96bfbd
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66 lines
1.8 KiB
PHP
66 lines
1.8 KiB
PHP
<?php
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/**
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* Class ConfigJson (ConfigIO implementation)
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*
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* Handle Shaarli's JSON configuration file.
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*/
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class ConfigJson implements ConfigIO
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{
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/**
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* The JSON data is wrapped in a PHP file for security purpose.
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* This way, even if the file is accessible, credentials and configuration won't be exposed.
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*
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* @var string PHP start tag and comment tag.
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*/
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public static $PHP_HEADER;
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public function __construct()
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{
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// The field can't be initialized directly with concatenation before PHP 5.6.
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self::$PHP_HEADER = '<?php /*'. PHP_EOL;
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}
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/**
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* @inheritdoc
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*/
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function read($filepath)
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{
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if (! file_exists($filepath) || ! is_readable($filepath)) {
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return array();
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}
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$data = file_get_contents($filepath);
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$data = str_replace(self::$PHP_HEADER, '', $data);
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$data = json_decode($data, true);
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if ($data === null) {
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$error = json_last_error();
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throw new Exception('An error occured while parsing JSON file: error code #'. $error);
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}
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return $data;
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}
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/**
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* @inheritdoc
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*/
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function write($filepath, $conf)
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{
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// JSON_PRETTY_PRINT is available from PHP 5.4.
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$print = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0;
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$data = self::$PHP_HEADER . json_encode($conf, $print);
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if (!file_put_contents($filepath, $data)) {
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throw new IOException(
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$filepath,
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'Shaarli could not create the config file.
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Please make sure Shaarli has the right to write in the folder is it installed in.'
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);
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}
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}
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/**
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* @inheritdoc
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*/
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function getExtension()
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{
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return '.json.php';
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}
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}
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