?iť?
Your IP : 3.129.26.204
<?php
/* Copyright (C) 2017 ATM Consulting <contact@atm-consulting.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Class to manage certif authority
*/
class BlockedLogAuthority
{
/**
* Id of the log
* @var int
*/
public $id;
/**
* Unique fingerprint of the blockchain to store
* @var string
*/
public $signature = '';
/**
* Entire fingerprints blockchain
* @var string
*/
public $blockchain = '';
/**
* timestamp
* @var int
*/
public $tms = 0;
/**
* Constructor
*
* @param DoliDB $db Database handler
*/
public function __construct($db)
{
$this->db = $db;
}
/**
* Get the blockchain
*
* @return string blockchain
*/
public function getLocalBlockChain()
{
$block_static = new BlockedLog($this->db);
$this->signature = $block_static->getSignature();
$blocks = $block_static->getLog('all', 0, 0, 'rowid', 'ASC') ;
$this->blockchain = '';
foreach($blocks as &$b) {
$this->blockchain.=$b->signature;
}
return $this->blockchain;
}
/**
* Get hash of the block chain to check
*
* @return string hash md5 of blockchain
*/
public function getBlockchainHash()
{
return md5($this->signature.$this->blockchain);
}
/**
* Get hash of the block chain to check
*
* @param string $hash hash md5 of blockchain to test
* @return boolean
*/
public function checkBlockchain($hash)
{
return ($hash === $this->getBlockchainHash() );
}
/**
* Add a new block to the chain
*
* @param string $block new block to chain
* @return void
*/
public function addBlock($block)
{
$this->blockchain.=$block;
}
/**
* hash already exist into chain ?
*
* @param string $block new block to chain
* @return boolean
*/
public function checkBlock($block)
{
if(strlen($block)!=64) return false;
$blocks = str_split($this->blockchain, 64);
if(!in_array($block, $blocks)) {
return true;
}
else{
return false;
}
}
/**
* Get object from database
*
* @param int $id Id of object to load
* @param string $signature Signature of object to load
* @return int >0 if OK, <0 if KO, 0 if not found
*/
public function fetch($id, $signature = '')
{
global $langs;
dol_syslog(get_class($this)."::fetch id=".$id, LOG_DEBUG);
if (empty($id) && empty($signature))
{
$this->error='BadParameter';
return -1;
}
$langs->load("blockedlog");
$sql = "SELECT b.rowid, b.signature, b.blockchain, b.tms";
$sql.= " FROM ".MAIN_DB_PREFIX."blockedlog_authority as b";
if ($id) $sql.= " WHERE b.rowid = ". $id;
elseif($signature)$sql.= " WHERE b.signature = '". $this->db->escape($signature) ."'" ;
$resql=$this->db->query($sql);
if ($resql)
{
if ($this->db->num_rows($resql))
{
$obj = $this->db->fetch_object($resql);
$this->id = $obj->rowid;
$this->ref = $obj->rowid;
$this->signature = $obj->signature;
$this->blockchain = $obj->blockchain;
$this->tms = $this->db->jdate($obj->tms);
return 1;
}
else
{
$this->error=$langs->trans("RecordNotFound");
return 0;
}
}
else
{
$this->error=$this->db->error();
return -1;
}
}
/**
* Create authority in database.
*
* @param User $user Object user that create
* @return int <0 if KO, >0 if OK
*/
public function create($user)
{
global $conf,$langs,$hookmanager;
$langs->load('blockedlog');
$error=0;
dol_syslog(get_class($this).'::create', LOG_DEBUG);
$this->db->begin();
$sql = "INSERT INTO ".MAIN_DB_PREFIX."blockedlog_authority (";
$sql.= " signature,";
$sql.= " blockchain";
$sql.= ") VALUES (";
$sql.= "'".$this->db->escape($this->signature)."',";
$sql.= "'".$this->db->escape($this->blockchain)."'";
$sql.= ")";
$res = $this->db->query($sql);
if ($res)
{
$id = $this->db->last_insert_id(MAIN_DB_PREFIX."blockedlog_authority");
if ($id > 0)
{
$this->id = $id;
$this->db->commit();
return $this->id;
}
else
{
$this->db->rollback();
return -2;
}
}
else
{
$this->error=$this->db->error();
$this->db->rollback();
return -1;
}
}
/**
* Create authority in database.
*
* @param User $user Object user that create
* @return int <0 if KO, >0 if OK
*/
public function update($user)
{
global $conf,$langs,$hookmanager;
$langs->load('blockedlog');
$error=0;
dol_syslog(get_class($this).'::create', LOG_DEBUG);
$this->db->begin();
$sql = "UPDATE ".MAIN_DB_PREFIX."blockedlog_authority SET ";
$sql.= " blockchain='".$this->db->escape($this->blockchain)."'";
$sql.= " WHERE rowid=".$this->id;
$res = $this->db->query($sql);
if ($res)
{
$this->db->commit();
return 1;
}
else
{
$this->error=$this->db->error();
$this->db->rollback();
return -1;
}
}
/**
* For cron to sync to authority.
*
* @return int <0 if KO, >0 if OK
*/
public function syncSignatureWithAuthority()
{
global $conf, $langs;
//TODO create cron task on activation
if(empty($conf->global->BLOCKEDLOG_AUTHORITY_URL) || empty($conf->global->BLOCKEDLOG_USE_REMOTE_AUTHORITY)) {
$this->error = $langs->trans('NoAuthorityURLDefined');
return -2;
}
require_once DOL_DOCUMENT_ROOT.'/blockedlog/class/blockedlog.class.php';
$block_static = new BlockedLog($this->db);
$blocks = $block_static->getLog('not_certified', 0, 0, 'rowid', 'ASC');
$signature=$block_static->getSignature();
foreach($blocks as &$block) {
$url = $conf->global->BLOCKEDLOG_AUTHORITY_URL.'/blockedlog/ajax/authority.php?s='.$signature.'&b='.$block->signature;
$res = file_get_contents($url);
echo $block->signature.' '.$url. ' '.$res.'<br>';
if($res === 'blockalreadyadded' || $res === 'blockadded') {
$block->setCertified();
}
else {
$this->error = $langs->trans('ImpossibleToContactAuthority ', $url);
return -1;
}
}
return 1;
}
}