152 lines
4.2 KiB
PHP
152 lines
4.2 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @author Jakob Sack
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* @copyright 2010 Frank Karlitschek karlitschek@kde.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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*
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* The following SQL statement is just a help for developers and will not be
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* executed!
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*
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* CREATE TABLE `log` (
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* `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY ,
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* `moment` DATETIME NOT NULL ,
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* `appid` VARCHAR( 255 ) NOT NULL ,
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* `user` VARCHAR( 255 ) NOT NULL ,
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* `action` VARCHAR( 255 ) NOT NULL ,
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* `info` TEXT NOT NULL
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* ) ENGINE = MYISAM ;
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*
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*/
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/**
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* This class is for logging
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*/
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class OC_Log {
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/**
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* @brief adds an entry to the log
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* @param $appid id of the app
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* @param $subject username
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* @param $predicate action
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* @param $object = null; additional information
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* @returns true/false
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*
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* This function adds another entry to the log database
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*/
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public static function add( $appid, $subject, $predicate, $object = ' ' ){
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$query=OC_DB::prepare("INSERT INTO `*PREFIX*log`(moment,appid,user,action,info) VALUES(NOW(),?,?,?,?)");
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$result=$query->execute(array($appid,$subject,$predicate,$object));
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// Die if we have an error
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if( PEAR::isError($result)) {
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$entry = 'DB Error: "'.$result->getMessage().'"<br />';
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$entry .= 'Offending command was: '.$query.'<br />';
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error_log( $entry );
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die( $entry );
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}
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return true;
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}
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/**
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* @brief Fetches log entries
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* @param $filter = array(); array with filter options
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* @returns array with entries
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*
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* This function fetches the log entries according to the filter options
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* passed.
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*
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* $filter is an associative array.
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* The following keys are optional:
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* - from: all entries after this date
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* - until: all entries until this date
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* - user: username (default: current user)
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* - app: only entries for this app
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*/
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public static function get( $filter = array()){
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$queryString='SELECT * FROM `*PREFIX*log` WHERE 1=1 ORDER BY moment DESC';
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$params=array();
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if(isset($filter['from'])){
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$queryString.='AND moment>? ';
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array_push($params,$filter('from'));
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}
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if(isset($filter['until'])){
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$queryString.='AND moment<? ';
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array_push($params,$filter('until'));
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}
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if(isset($filter['user'])){
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$queryString.='AND user=? ';
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array_push($params,$filter('user'));
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}
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if(isset($filter['app'])){
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$queryString.='AND appid=? ';
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array_push($params,$filter('app'));
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}
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$query=OC_DB::prepare($queryString);
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$result=$query->execute($params)->fetchAll();
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if(count($result)>0 and is_numeric($result[0]['moment'])){
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foreach($result as &$row){
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$row['moment']=OC_Util::formatDate($row['moment']);
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}
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}
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return $result;
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}
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/**
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* @brief removes log entries
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* @param $date delete entries older than this date
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* @returns true/false
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*
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* This function deletes all entries that are older than $date.
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*/
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public static function deleteBefore( $date ){
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$query=OC_DB::prepare("DELETE FROM `*PREFIX*log` WHERE moment<?");
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$query->execute(array($date));
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return true;
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}
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/**
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* @brief removes all log entries
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* @returns true/false
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*
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* This function deletes all log entries.
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*/
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public static function deleteAll(){
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$query=OC_DB::prepare("DELETE FROM `*PREFIX*log`");
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$query->execute();
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return true;
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}
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/**
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* @brief filter an array of log entries on action
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* @param array $logs the log entries to filter
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* @param array $actions an array of actions to filter for
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* @returns array
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*/
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public static function filterAction($logs,$actions){
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$filteredLogs=array();
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foreach($logs as $log){
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if(array_search($log['action'],$actions)!==false){
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$filteredLogs[]=$log;
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}
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}
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return $filteredLogs;
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}
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}
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