76 lines
2.1 KiB
PHP
76 lines
2.1 KiB
PHP
<?php
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namespace Yeepay\Yop\Sdk\Auth\Cipher;
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use Yeepay\Yop\Sdk\Auth\Encryptor;
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use Yeepay\Yop\Sdk\Http\ContentType;
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use Yeepay\Yop\Sdk\Http\Headers;
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use Yeepay\Yop\Sdk\Internal\Request;
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use Yeepay\Yop\Sdk\Security\Aes\AesEncryptor;
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class DefaultEncryptor implements Encryptor
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{
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/**
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* @var string
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*/
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private $key;
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/**
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* @var int
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*/
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private $keyLength;
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/**
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* DefaultEncryptor constructor.
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* @param $base64EncodedKey string
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*/
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public function __construct($base64EncodedKey)
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{
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$this->key = base64_decode($base64EncodedKey);
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$this->keyLength = strlen($this->key);
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}
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/**
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* @param $request
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* @return mixed
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*/
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public function encrypt(Request $request)
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{
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if ($request->getContentType() == ContentType::APPLICATION_OCTET_STREAM) {
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return;
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}
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$request->addHeader(Headers::YOP_ENCRYPT_TYPE, "aes".$this->keyLength);
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if (!empty($request->getParameters()) > 0) {
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$encryptedParameters = [];
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foreach ($request->getParameters() as $paramName => $paramValues) {
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$encryptedParamValues = [];
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foreach ($paramValues as $paramValue) {
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$encryptedParamValues[] = AesEncryptor::encryptAndEncodeBase64($paramValue, $this->key);
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}
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$encryptedParameters[$paramName] = $encryptedParamValues;
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}
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$request->setParameters($encryptedParameters);
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}
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if (empty($request->getContent())) {
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if (is_string($request->getContent())) {
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$request->setContent(AesEncryptor::decodeBase64AndDecrypt($request->getContent(), $this->key));
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} else {
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if (is_resource($request->getContent())) {
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//todo 忽略对resource的签名
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}
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}
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}
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}
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/**
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* @param $content string
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* @return string
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*/
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public function decrypt($content)
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{
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return AesEncryptor::decodeBase64AndDecrypt($content, $this->key);
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}
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}
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