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<?php |
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namespace Ubiquity\controllers\auth; |
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use Ubiquity\cache\CacheManager; |
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use Ubiquity\utils\base\UASystem; |
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class AuthTokens { |
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protected int $length; |
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protected int $duration; |
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protected string $root; |
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protected bool $sameOrigin; |
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const CACHE_KEY='auth'; |
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/** |
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* AuthTokens constructor. |
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* @param string $root |
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* @param int $length |
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* @param int $duration |
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* @param bool $sameOrigin |
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*/ |
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public function __construct(string $root,int $length = 10, int $duration = 3600,bool $sameOrigin=false){ |
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$this->root='/'.\trim($root,'/').'/'; |
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$this->length=$length; |
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$this->duration=$duration; |
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$this->sameOrigin=$sameOrigin; |
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} |
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/** |
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* @return string |
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* @throws \Exception |
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*/ |
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protected function tokenGenerator() { |
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return \bin2hex ( \random_bytes ( $this->length??10 ) ); |
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} |
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/** |
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* @return string |
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*/ |
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protected function getOrigin():string{ |
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return $this->generateOrigin(['platform'=>UASystem::getPlatform(),'browser'=>UASystem::getBrowserComplete(),'ip'=>$_SERVER['REMOTE_ADDR']]); |
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} |
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/** |
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* @param array $data |
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* @return string |
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*/ |
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protected function generateOrigin(array $data):string{ |
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$data=['platform'=>$data['platform']??'','browser'=>$data['browser']??'','ip'=>$data['ip']??'']; |
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return \md5(\json_encode($data)); |
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} |
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/** |
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* @return string |
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* @throws \Exception |
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*/ |
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protected function generateToken():string { |
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do { |
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$token = $this->tokenGenerator (); |
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} while ( $this->exists($token) ); |
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return $token; |
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} |
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/** |
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* @param string $token |
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* @return string |
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*/ |
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protected function getKey(string $token):string{ |
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return self::CACHE_KEY.($this->root).$token; |
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} |
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/** |
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* @param string $token |
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* @return bool |
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*/ |
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public function exists(string $token):bool{ |
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return CacheManager::$cache->exists($this->getKey($token)); |
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} |
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/** |
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* @param string $token |
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* @return bool |
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*/ |
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public function expired(string $token):bool{ |
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$tokenKey=$this->getKey($token); |
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$expired= CacheManager::$cache->expired($tokenKey,$this->duration); |
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if($expired){ |
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CacheManager::$cache->remove($tokenKey); |
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} |
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return $expired; |
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} |
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/** |
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* Stores some data associated to a new token. |
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* |
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* @param array $data |
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* @return string |
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* @throws \Ubiquity\exceptions\CacheException |
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*/ |
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public function store(array $data):string{ |
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if($this->sameOrigin){ |
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$data['origin']=$this->getOrigin(); |
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} |
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$token=$this->generateToken(); |
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CacheManager::$cache->store($this->getKey($token),$data); |
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return $token; |
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} |
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/** |
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* Removes an existing token. |
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* |
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* @param string $token |
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*/ |
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public function remove(string $token){ |
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CacheManager::$cache->remove($this->getKey($token)); |
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} |
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/** |
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* Gets the data associated to a token. |
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* |
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* @param $token |
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* @return false|mixed |
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*/ |
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public function fetch($token){ |
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$tokenKey=$this->getKey($token); |
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if(CacheManager::$cache->exists($tokenKey) && !CacheManager::$cache->expired($tokenKey,$this->duration)) { |
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$data= CacheManager::$cache->fetch($tokenKey); |
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if(!$this->sameOrigin || $this->isSameOrigin($data)){ |
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return $data; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param $data |
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* @return bool |
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*/ |
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protected function isSameOrigin($data):bool{ |
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return ($data['origin']??'')===$this->getOrigin(); |
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} |
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/** |
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* @param int $length |
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*/ |
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public function setLength(int $length): void { |
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$this->length = $length; |
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} |
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/** |
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* @param int $duration |
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*/ |
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public function setDuration(int $duration): void { |
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$this->duration = $duration; |
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} |
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/** |
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* @param bool $sameOrigin |
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*/ |
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public function setSameOrigin(bool $sameOrigin): void { |
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$this->sameOrigin = $sameOrigin; |
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} |
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public function setParams(int $length,int $duration,bool $sameOrigin){ |
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$this->length=$length; |
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$this->duration=$duration; |
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$this->sameOrigin=$sameOrigin; |
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} |
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} |
phpMv /
ubiquity
