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<?php |
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include './SecurityUtil.php'; |
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include './SecretGetRequest.php'; |
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include './TopSdkFeedbackUploadRequest.php'; |
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include './iCache.php'; |
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include '../../TopSdk.php'; |
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class SecurityClient |
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{ |
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private $topClient ; |
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private $randomNum ; |
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private $securityUtil; |
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private $cacheClient = null; |
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function __construct($client, $random) |
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{ |
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define('APP_SECRET_TYPE','2'); |
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define('APP_USER_SECRET_TYPE','3'); |
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$this->topClient = $client; |
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$this->randomNum = $random; |
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$this->securityUtil = new SecurityUtil(); |
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} |
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/** |
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* 设置缓存处理器 |
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*/ |
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function setCacheClient($cache) |
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{ |
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$this->cacheClient = $cache; |
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} |
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/** |
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* 密文检索,在秘钥升级场景下兼容查询 |
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* |
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* @see #search(String, String, String, Long) |
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* @return |
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*/ |
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function searchPrevious($data,$type,$session = null) |
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{ |
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return $this->searchInner($data,$type,$session,-1); |
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} |
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/** |
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* 密文检索(每个用户单独分配秘钥) |
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* |
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* @see #search(String, String, String, Long) |
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* @return |
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*/ |
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function search($data,$type,$session = null) |
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{ |
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return $this->searchInner($data,$type,$session,null); |
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} |
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/** |
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* 密文检索。 手机号码格式:$base64(H-MAC(phone后4位))$ simple格式:base64(H-MAC(滑窗)) |
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* |
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* @param data |
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* 明文数据 |
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* @param type |
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* 加密字段类型(例如:simple\phone) |
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* @param session |
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* 用户身份,用户级加密必填 |
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* @param version |
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* 秘钥历史版本 |
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* @return |
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*/ |
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function searchInner($data, $type, $session,$version) |
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{ |
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if(empty($data) || empty($type)){ |
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return $data; |
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} |
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$secretContext = null; |
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$secretContext = $this->callSecretApiWithCache($session,$version); |
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$this->incrCounter(3,$type,$secretContext,true); |
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if(empty($secretContext) || empty($secretContext->secret)) { |
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return $data; |
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} |
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return $this->securityUtil->search($data, $type,$secretContext); |
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} |
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/** |
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* 单条数据解密,使用appkey级别公钥 |
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* 非加密数据直接返回原文 |
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*/ |
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function decryptPublic($data,$type) |
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{ |
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return $this->decrypt($data,$type,null); |
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} |
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/** |
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* 单条数据解密 |
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* 非加密数据直接返回原文 |
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*/ |
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function decrypt($data,$type,$session) |
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{ |
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if(empty($data) || empty($type)){ |
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return $data; |
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} |
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$secretData = $this->securityUtil->getSecretDataByType($data,$type); |
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if(empty($secretData)){ |
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return $data; |
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} |
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if($this->securityUtil->isPublicData($data,$type)){ |
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$secretContext = $this->callSecretApiWithCache(null,$secretData->secretVersion); |
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} else { |
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$secretContext = $this->callSecretApiWithCache($session,$secretData->secretVersion); |
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} |
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$this->incrCounter(2,$type,$secretContext,true); |
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return $this->securityUtil->decrypt($data,$type,$secretContext); |
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} |
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/** |
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* 多条数据解密,使用appkey级别公钥 |
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* 非加密数据直接返回原文 |
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*/ |
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function decryptBatchPublic($array,$type) |
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{ |
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if(empty($array) || empty($type)){ |
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return null; |
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} |
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$result = array(); |
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foreach ($array as $value) { |
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$secretData = $this->securityUtil->getSecretDataByType($value,$type); |
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$secretContext = $this->callSecretApiWithCache(null,$secretData->secretVersion); |
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if(empty($secretData)){ |
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$result[$value] = $value; |
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}else{ |
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$result[$value] = $this->securityUtil->decrypt($value,$type,$secretContext); |
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$this->incrCounter(2,$type,$secretContext,true); |
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} |
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$this->flushCounter($secretContext); |
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} |
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return $result; |
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} |
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/** |
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* 多条数据解密,必须是同一个type和用户,返回结果是 KV结果 |
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* 非加密数据直接返回原文 |
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*/ |
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function decryptBatch($array,$type,$session) |
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{ |
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if(empty($array) || empty($type)){ |
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return null; |
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} |
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$result = array(); |
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foreach ($array as $value) { |
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$secretData = $this->securityUtil->getSecretDataByType($value,$type); |
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if(empty($secretData)){ |
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$result[$value] = $value; |
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} else if($this->securityUtil->isPublicData($value,$type)){ |
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$appContext = $this->callSecretApiWithCache(null,$secretData->secretVersion); |
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$result[$value] = $this->securityUtil->decrypt($value,$type,$appContext); |
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$this->incrCounter(2,$type,$appContext,false); |
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$this->flushCounter($appContext); |
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} else { |
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$secretContext = $this->callSecretApiWithCache($session,$secretData->secretVersion); |
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$result[$value] = $this->securityUtil->decrypt($value,$type,$secretContext); |
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$this->incrCounter(2,$type,$secretContext,false); |
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$this->flushCounter($secretContext); |
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} |
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} |
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return $result; |
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} |
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/** |
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* 使用上一版本秘钥解密,app级别公钥 |
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*/ |
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function decryptPreviousPublic($data,$type) |
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{ |
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$secretContext = $this->callSecretApiWithCache(null,-1); |
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return $this->securityUtil->decrypt($data,$type,$secretContext); |
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} |
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/** |
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* 使用上一版本秘钥解密,一般只用于更新秘钥 |
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*/ |
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function decryptPrevious($data,$type,$session) |
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{ |
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if($this->securityUtil->isPublicData($data,$type)){ |
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$secretContext = $this->callSecretApiWithCache(null,-1); |
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} else { |
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$secretContext = $this->callSecretApiWithCache($session,-1); |
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} |
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return $this->securityUtil->decrypt($data,$type,$secretContext); |
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} |
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/** |
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* 加密单条数据,使用app级别公钥 |
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*/ |
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function encryptPublic($data,$type,$version = null) |
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{ |
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return $this->encrypt($data,$type,null,$version); |
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} |
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/** |
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* 加密单条数据 |
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*/ |
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function encrypt($data,$type,$session = null,$version = null) |
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{ |
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if(empty($data) || empty($type)){ |
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return null; |
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} |
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$secretContext = $this->callSecretApiWithCache($session,null); |
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$this->incrCounter(1,$type,$secretContext,true); |
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return $this->securityUtil->encrypt($data,$type,$version,$secretContext); |
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} |
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/** |
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* 加密多条数据,使用app级别公钥 |
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*/ |
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function encryptBatchPublic($array,$type,$version = null) |
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{ |
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if(empty($array) || empty($type)){ |
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return null; |
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} |
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$secretContext = $this->callSecretApiWithCache(null,null); |
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$result = array(); |
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foreach ($array as $value) { |
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$result[$value] = $this->securityUtil->encrypt($value,$type,$version,$secretContext); |
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$this->incrCounter(1,$type,$secretContext,false); |
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} |
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$this->flushCounter($secretContext); |
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return $result; |
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} |
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/** |
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* 加密多条数据,必须是同一个type和用户,返回结果是 KV结果 |
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*/ |
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function encryptBatch($array,$type,$session,$version = null) |
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{ |
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if(empty($array) || empty($type)){ |
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return null; |
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} |
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$secretContext = $this->callSecretApiWithCache($session,null); |
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$result = array(); |
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foreach ($array as $value) { |
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$result[$value] = $this->securityUtil->encrypt($value,$type,$version,$secretContext); |
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$this->incrCounter(1,$type,$secretContext,false); |
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} |
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$this->flushCounter($secretContext); |
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return $result; |
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} |
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/** |
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* 使用上一版本秘钥加密,使用app级别公钥 |
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*/ |
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function encryptPreviousPublic($data,$type) |
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{ |
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$secretContext = $this->callSecretApiWithCache(null,-1); |
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$this->incrCounter(1,$type,$secretContext,true); |
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return $this->securityUtil->encrypt($data,$type,$secretContext->version,$secretContext); |
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} |
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/** |
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* 使用上一版本秘钥加密,一般只用于更新秘钥 |
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*/ |
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function encryptPrevious($data,$type,$session) |
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{ |
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$secretContext = $this->callSecretApiWithCache($session,-1); |
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$this->incrCounter(1,$type,$secretContext,true); |
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return $this->securityUtil->encrypt($data,$type,$secretContext); |
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} |
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/** |
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* 根据session生成秘钥 |
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*/ |
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function initSecret($session) |
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{ |
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return $this->callSecretApiWithCache($session,null); |
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} |
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function buildCacheKey($session,$secretVersion) |
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{ |
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if(empty($session)){ |
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return $this->topClient->getAppkey(); |
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} |
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if(empty($secretVersion)){ |
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return $session ; |
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} |
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return $session.'_'.$secretVersion ; |
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} |
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300
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function generateCustomerSession($userId) |
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301
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{ |
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return '_'.$userId ; |
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} |
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305
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/** |
306
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* 判断是否是已加密的数据 |
307
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*/ |
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function isEncryptData($data,$type) |
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{ |
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if(empty($data) || empty($type)){ |
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return false; |
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} |
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return $this->securityUtil->isEncryptData($data,$type); |
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} |
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/** |
317
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* 判断是否是已加密的数据,数据必须是同一个类型 |
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*/ |
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function isEncryptDataArray($array,$type) |
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320
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{ |
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if(empty($array) || empty($type)){ |
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return false; |
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} |
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return $this->securityUtil->isEncryptDataArray($array,$type); |
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} |
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/** |
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* 判断数组中的数据是否存在密文,存在任何一个返回true,否则false |
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*/ |
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function isPartEncryptData($array,$type) |
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{ |
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if(empty($array) || empty($type)){ |
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return false; |
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} |
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return $this->securityUtil->isPartEncryptData($array,$type); |
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} |
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338
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/** |
339
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* 获取秘钥,使用缓存 |
340
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*/ |
341
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function callSecretApiWithCache($session,$secretVersion) |
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342
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{ |
343
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if($this->cacheClient) |
344
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{ |
345
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$time = time(); |
346
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$cacheKey = $this->buildCacheKey($session,$secretVersion); |
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$secretContext = $this->cacheClient->getCache($cacheKey); |
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349
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if($secretContext) |
350
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{ |
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if($this->canUpload($secretContext)){ |
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if($this->report($secretContext)){ |
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$this->clearReport($secretContext); |
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} |
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} |
356
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} |
357
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358
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|
|
if($secretContext && $secretContext->invalidTime > $time) |
359
|
|
|
{ |
360
|
|
|
return $secretContext; |
361
|
|
|
} |
362
|
|
|
} |
363
|
|
|
|
364
|
|
|
$secretContext = $this->callSecretApi($session,$secretVersion); |
365
|
|
|
|
366
|
|
|
if($this->cacheClient) |
367
|
|
|
{ |
368
|
|
|
$secretContext->cacheKey = $cacheKey; |
|
|
|
|
369
|
|
|
$this->cacheClient->setCache($cacheKey,$secretContext); |
370
|
|
|
} |
371
|
|
|
|
372
|
|
|
return $secretContext; |
373
|
|
|
} |
374
|
|
|
|
375
|
|
|
function incrCounter($op,$type,$secretContext,$flush) |
|
|
|
|
376
|
|
|
{ |
377
|
|
|
if($op == 1){ |
378
|
|
|
switch ($type) { |
379
|
|
|
case 'nick': |
380
|
|
|
$secretContext->encryptNickNum ++ ; |
381
|
|
|
break; |
382
|
|
|
case 'simple': |
383
|
|
|
$secretContext->encryptSimpleNum ++ ; |
384
|
|
|
break; |
385
|
|
|
case 'receiver_name': |
386
|
|
|
$secretContext->encryptReceiverNameNum ++ ; |
387
|
|
|
break; |
388
|
|
|
case 'phone': |
389
|
|
|
$secretContext->encryptPhoneNum ++ ; |
390
|
|
|
break; |
391
|
|
|
default: |
392
|
|
|
break; |
393
|
|
|
} |
394
|
|
|
}else if($op == 2){ |
395
|
|
|
switch ($type) { |
396
|
|
|
case 'nick': |
397
|
|
|
$secretContext->decryptNickNum ++ ; |
398
|
|
|
break; |
399
|
|
|
case 'simple': |
400
|
|
|
$secretContext->decryptSimpleNum ++ ; |
401
|
|
|
break; |
402
|
|
|
case 'receiver_name': |
403
|
|
|
$secretContext->decryptReceiverNameNum ++ ; |
404
|
|
|
break; |
405
|
|
|
case 'phone': |
406
|
|
|
$secretContext->decryptPhoneNum ++ ; |
407
|
|
|
break; |
408
|
|
|
default: |
409
|
|
|
break; |
410
|
|
|
} |
411
|
|
|
}else{ |
412
|
|
|
switch ($type) { |
413
|
|
|
case 'nick': |
414
|
|
|
$secretContext->searchNickNum ++ ; |
415
|
|
|
break; |
416
|
|
|
case 'simple': |
417
|
|
|
$secretContext->searchSimpleNum ++ ; |
418
|
|
|
break; |
419
|
|
|
case 'receiver_name': |
420
|
|
|
$secretContext->searchReceiverNameNum ++ ; |
421
|
|
|
break; |
422
|
|
|
case 'phone': |
423
|
|
|
$secretContext->searchPhoneNum ++ ; |
424
|
|
|
break; |
425
|
|
|
default: |
426
|
|
|
break; |
427
|
|
|
} |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
if($flush && $this->cacheClient){ |
431
|
|
|
$this->cacheClient->setCache($secretContext->cacheKey,$secretContext); |
432
|
|
|
} |
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
function flushCounter($secretContext) |
|
|
|
|
436
|
|
|
{ |
437
|
|
|
if($this->cacheClient){ |
438
|
|
|
$this->cacheClient->setCache($secretContext->cacheKey,$secretContext); |
439
|
|
|
} |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
function clearReport($secretContext) |
|
|
|
|
443
|
|
|
{ |
444
|
|
|
$secretContext->encryptPhoneNum = 0; |
445
|
|
|
$secretContext->encryptNickNum = 0; |
446
|
|
|
$secretContext->encryptReceiverNameNum = 0; |
447
|
|
|
$secretContext->encryptSimpleNum = 0; |
448
|
|
|
$secretContext->encryptSearchNum = 0; |
449
|
|
|
$secretContext->decryptPhoneNum = 0; |
450
|
|
|
$secretContext->decryptNickNum = 0; |
451
|
|
|
$secretContext->decryptReceiverNameNum = 0; |
452
|
|
|
$secretContext->decryptSimpleNum = 0; |
453
|
|
|
$secretContext->decryptSearchNum = 0; |
454
|
|
|
$secretContext->searchPhoneNum = 0; |
455
|
|
|
$secretContext->searchNickNum = 0; |
456
|
|
|
$secretContext->searchReceiverNameNum = 0; |
457
|
|
|
$secretContext->searchSimpleNum = 0; |
458
|
|
|
$secretContext->searchSearchNum = 0; |
459
|
|
|
$secretContext->lastUploadTime = time(); |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
function canUpload($secretContext) |
|
|
|
|
463
|
|
|
{ |
464
|
|
|
$current = time(); |
465
|
|
|
if($current - $secretContext->lastUploadTime > 300){ |
466
|
|
|
return true; |
467
|
|
|
} |
468
|
|
|
return false; |
469
|
|
|
} |
470
|
|
|
|
471
|
|
|
/* |
472
|
|
|
* 上报信息 |
473
|
|
|
*/ |
474
|
|
|
function report($secretContext) |
|
|
|
|
475
|
|
|
{ |
476
|
|
|
$request = new TopSdkFeedbackUploadRequest; |
477
|
|
|
$request->setContent($secretContext->toLogString()); |
478
|
|
|
|
479
|
|
|
if(empty($secretContext->session)){ |
480
|
|
|
$request->setType(APP_SECRET_TYPE); |
481
|
|
|
}else{ |
482
|
|
|
$request->setType(APP_USER_SECRET_TYPE); |
483
|
|
|
} |
484
|
|
|
|
485
|
|
|
$response = $this->topClient->execute($request,$secretContext->session); |
486
|
|
|
if($response->code == 0){ |
487
|
|
|
return true; |
488
|
|
|
} |
489
|
|
|
return false; |
490
|
|
|
} |
491
|
|
|
|
492
|
|
|
/** |
493
|
|
|
* 获取秘钥,不使用缓存 |
494
|
|
|
*/ |
495
|
|
|
function callSecretApi($session,$secretVersion) |
|
|
|
|
496
|
|
|
{ |
497
|
|
|
$request = new TopSecretGetRequest; |
498
|
|
|
$request->setRandomNum($this->randomNum); |
499
|
|
|
if($secretVersion) |
500
|
|
|
{ |
501
|
|
|
if(intval($secretVersion) < 0 || $session == null){ |
502
|
|
|
$session = null; |
503
|
|
|
$secretVersion = -1 * intval($secretVersion < 0); |
504
|
|
|
} |
505
|
|
|
$request->setSecretVersion($secretVersion); |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
$topSession = $session; |
509
|
|
|
if($session != null && $session[0] == '_') |
510
|
|
|
{ |
511
|
|
|
$request->setCustomerUserId(substr($session,1)); |
512
|
|
|
$topSession = null; |
513
|
|
|
} |
514
|
|
|
|
515
|
|
|
$response = $this->topClient->execute($request,$topSession); |
516
|
|
|
if($response->code != 0){ |
517
|
|
|
throw new Exception($response->msg); |
518
|
|
|
} |
519
|
|
|
|
520
|
|
|
$time = time(); |
521
|
|
|
$secretContext = new SecretContext(); |
522
|
|
|
$secretContext->maxInvalidTime = $time + intval($response->max_interval); |
523
|
|
|
$secretContext->invalidTime = $time + intval($response->interval); |
524
|
|
|
$secretContext->secret = strval($response->secret); |
525
|
|
|
$secretContext->session = $session; |
526
|
|
|
if(!empty($response->app_config)){ |
527
|
|
|
$tmpJson = json_decode($response->app_config); |
528
|
|
|
$appConfig = array(); |
529
|
|
|
foreach ($tmpJson as $key => $value){ |
530
|
|
|
$appConfig[$key] = $value; |
531
|
|
|
} |
532
|
|
|
$secretContext->appConfig = $appConfig; |
533
|
|
|
} |
534
|
|
|
|
535
|
|
|
if(empty($session)){ |
536
|
|
|
$secretContext->secretVersion = -1 * intval($response->secret_version); |
537
|
|
|
}else{ |
538
|
|
|
$secretContext->secretVersion = intval($response->secret_version); |
539
|
|
|
} |
540
|
|
|
return $secretContext; |
541
|
|
|
} |
542
|
|
|
} |
543
|
|
|
?> |
|
|
|
|
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.