142 lines
4.5 KiB
PHP
142 lines
4.5 KiB
PHP
<?php
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namespace khm\Managers;
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use khm\Exceptions\DatabaseException;
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use khm\Exceptions\KnownHostRecordNotFoundException;
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use khm\khm;
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use khm\Objects\KnownHost;
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use msqg\QueryBuilder;
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use ZiProto\ZiProto;
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class KnownHostsManager
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{
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/**
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* @var khm
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*/
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private $khm;
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/**
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* @param khm $khm
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*/
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public function __construct(khm $khm)
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{
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$this->khm = $khm;
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}
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/**
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* Registers a new known record into the database
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*
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* @param string $ip_address
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* @return KnownHost
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* @throws DatabaseException
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* @noinspection PhpCastIsUnnecessaryInspection
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*/
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public function registerRecord(string $ip_address): KnownHost
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{
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$knownHost = new KnownHost();
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$knownHost->IPAddress = $ip_address;
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$knownHost->Properties = new KnownHost\Properties();
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$knownHost->CreatedTimestamp = time();
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$knownHost->LastSeenTimestamp = time();
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$Query = QueryBuilder::insert_into('known_hosts', [
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'ip_address' => $this->khm->getDatabase()->real_escape_string($knownHost->IPAddress),
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'properties' => $this->khm->getDatabase()->real_escape_string(ZiProto::encode($knownHost->Properties->toArray())),
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'last_seen_timestamp' => (int)$knownHost->LastSeenTimestamp,
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'created_timestamp' => (int)$knownHost->CreatedTimestamp
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]);
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$QueryResults = $this->khm->getDatabase()->query($Query);
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if($QueryResults == false)
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{
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throw new DatabaseException($Query, $this->khm->getDatabase()->error);
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}
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return $knownHost;
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}
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/**
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* Returns an existing record from the database
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*
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* @param string $ip_address
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* @return KnownHost
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* @throws DatabaseException
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* @throws KnownHostRecordNotFoundException
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*/
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public function getRecord(string $ip_address): KnownHost
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{
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$Query = QueryBuilder::select('known_hosts', [
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'ip_address',
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'properties',
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'last_seen_timestamp',
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'created_timestamp'
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], 'ip_address', $this->khm->getDatabase()->real_escape_string($ip_address));
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$QueryResults = $this->khm->getDatabase()->query($Query);
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if($QueryResults == false)
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{
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throw new DatabaseException($Query, $this->khm->getDatabase()->error);
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}
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$Row = $QueryResults->fetch_array(MYSQLI_ASSOC);
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if ($Row == False)
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{
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throw new KnownHostRecordNotFoundException('The known host \'' . $ip_address . '\' was not found');
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}
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$Row['properties'] = ZiProto::decode($Row['properties']);
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return KnownHost::fromArray($Row);
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}
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/**
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* Updates the properties of a known host
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*
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* @param KnownHost $knownHost
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* @return void
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* @throws DatabaseException
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*/
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public function updateProperties(KnownHost $knownHost)
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{
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$Query = QueryBuilder::update('known_hosts', [
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'properties' => $this->khm->getDatabase()->real_escape_string(ZiProto::encode($knownHost->Properties->toArray()))
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], 'ip_address', $this->khm->getDatabase()->real_escape_string($knownHost->IPAddress));
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$QueryResults = $this->khm->getDatabase()->query($Query);
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if($QueryResults == false)
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{
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throw new DatabaseException($Query, $this->khm->getDatabase()->error);
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}
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}
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/**
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* Updates the last seen of a known hsost
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*
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* @param KnownHost $knownHost
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* @return KnownHost
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* @throws DatabaseException
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*/
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public function updateLastSeen(KnownHost $knownHost): KnownHost
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{
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$knownHost->LastSeenTimestamp = time();
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$Query = QueryBuilder::update('known_hosts', [
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'last_seen_timestamp' => $knownHost->LastSeenTimestamp
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], 'ip_address', $this->khm->getDatabase()->real_escape_string($knownHost->IPAddress));
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$QueryResults = $this->khm->getDatabase()->query($Query);
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if($QueryResults == false)
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{
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throw new DatabaseException($Query, $this->khm->getDatabase()->error);
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}
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return $knownHost;
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}
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} |