mirror of https://github.com/FreshRSS/FreshRSS.git
123 lines
3.8 KiB
PHP
123 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* The Minz_Log class is used to log errors and warnings
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*/
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class Minz_Log {
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/**
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* Enregistre un message dans un fichier de log spécifique
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* Message non loggué si
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* - environment = SILENT
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* - level = LOG_WARNING et environment = PRODUCTION
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* - level = LOG_NOTICE et environment = PRODUCTION
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* @param string $information message d'erreur / information à enregistrer
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* @param int $level niveau d'erreur https://php.net/function.syslog
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* @param string $file_name fichier de log
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* @throws Minz_PermissionDeniedException
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*/
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public static function record(string $information, int $level, ?string $file_name = null): void {
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$env = getenv('FRESHRSS_ENV');
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if ($env == '') {
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try {
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$conf = Minz_Configuration::get('system');
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$env = $conf->environment;
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} catch (Minz_ConfigurationException $e) {
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$env = 'production';
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}
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}
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if (! ($env === 'silent' || ($env === 'production' && ($level >= LOG_NOTICE)))) {
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$username = Minz_User::name() ?? Minz_User::INTERNAL_USER;
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if ($file_name == null) {
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$file_name = join_path(USERS_PATH, $username, LOG_FILENAME);
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}
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switch ($level) {
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case LOG_ERR :
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$level_label = 'error';
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break;
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case LOG_WARNING :
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$level_label = 'warning';
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break;
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case LOG_NOTICE :
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$level_label = 'notice';
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break;
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case LOG_DEBUG :
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$level_label = 'debug';
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break;
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default :
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$level = LOG_INFO;
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$level_label = 'info';
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}
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$log = '[' . date('r') . '] [' . $level_label . '] --- ' . $information . "\n";
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if (defined('COPY_LOG_TO_SYSLOG') && COPY_LOG_TO_SYSLOG) {
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syslog($level, '[' . $username . '] ' . trim($log));
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}
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self::ensureMaxLogSize($file_name);
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if (file_put_contents($file_name, $log, FILE_APPEND | LOCK_EX) === false) {
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throw new Minz_PermissionDeniedException($file_name, Minz_Exception::ERROR);
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}
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}
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}
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/**
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* Make sure we do not waste a huge amount of disk space with old log messages.
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*
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* This method can be called multiple times for one script execution, but its result will not change unless
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* you call clearstatcache() in between. We won’t do do that for performance reasons.
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*
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* @param string $file_name
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* @throws Minz_PermissionDeniedException
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*/
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protected static function ensureMaxLogSize(string $file_name): void {
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$maxSize = defined('MAX_LOG_SIZE') ? MAX_LOG_SIZE : 1048576;
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if ($maxSize > 0 && @filesize($file_name) > $maxSize) {
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$fp = fopen($file_name, 'c+');
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if (is_resource($fp) && flock($fp, LOCK_EX)) {
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fseek($fp, -(int)($maxSize / 2), SEEK_END);
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$content = fread($fp, $maxSize);
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rewind($fp);
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ftruncate($fp, 0);
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fwrite($fp, $content ?: '');
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fwrite($fp, sprintf("[%s] [notice] --- Log rotate.\n", date('r')));
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fflush($fp);
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flock($fp, LOCK_UN);
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} else {
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throw new Minz_PermissionDeniedException($file_name, Minz_Exception::ERROR);
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}
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fclose($fp);
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}
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}
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/**
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* Some helpers to Minz_Log::record() method
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* Parameters are the same of those of the record() method.
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* @throws Minz_PermissionDeniedException
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*/
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public static function debug(string $msg, ?string $file_name = null): void {
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self::record($msg, LOG_DEBUG, $file_name);
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}
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/** @throws Minz_PermissionDeniedException */
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public static function notice(string $msg, ?string $file_name = null): void {
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self::record($msg, LOG_NOTICE, $file_name);
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}
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/** @throws Minz_PermissionDeniedException */
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public static function warning(string $msg, ?string $file_name = null): void {
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self::record($msg, LOG_WARNING, $file_name);
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}
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/** @throws Minz_PermissionDeniedException */
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public static function error(string $msg, ?string $file_name = null): void {
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self::record($msg, LOG_ERR, $file_name);
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}
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}
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