/*** 敏感信息解密*/@PostMapping(value= "/decryptor", produces =MediaType.APPLICATION_JSON_UTF8_VALUE)publicRestResponse decryptor(@RequestBody String encryptContent) {

RestResponse restResponse= newRestResponse();try{

Map openapiResult =JSON.parseObject(encryptContent,new TypeReference>() {

},

Feature.OrderedField);

String signType= StringUtils.defaultIfBlank(openapiResult.get("sign_type"), "RSA2");

String charset= StringUtils.defaultIfBlank(openapiResult.get("charset"), "UTF-8");

String encryptType= StringUtils.defaultIfBlank(openapiResult.get("encrypt_type"), "AES");

String sign= openapiResult.get("sign");

String content= openapiResult.get("response");

LOGGER.info(String.format("準備驗簽和解密，sign=[%s], signType=[%s], encryptType=[%s], encryptContent=[%s]", sign, signType, encryptType, encryptContent));//如果密文的

boolean isDataEncrypted = !content.startsWith("{");booleansignCheckPass;//2. 驗簽

String signContent =content;//支付寶應用公鑰

String signVeriKey =ALIPAY_APPLET_PUBLIC_SECRET;//如果是加密的報文則需要在密文的前后添加雙引號

if(isDataEncrypted) {

signContent= "\"" + signContent + "\"";

}try{

signCheckPass=AlipaySignature.rsaCheck(signContent, sign, signVeriKey, charset, signType);

}catch(AlipayApiException e) {//驗簽異常, 日志

LOGGER.error("驗簽異常，encryptContent=" +encryptContent, e);

restResponse.setRestStatus(RestStatus.FAIL_100021);returnrestResponse;

}if (!signCheckPass) {//驗簽不通過(異常或者報文被篡改)，終止流程(不需要做解密)

LOGGER.error("驗簽失敗，encryptContent=" +encryptContent);

restResponse.setRestStatus(RestStatus.FAIL_100021);returnrestResponse;

}//支付寶小程序AES秘鑰

String encryptKey =ALIPAY_APPLET_AES_SECRET;//3. 解密

String plainData;if(isDataEncrypted) {try{

plainData=AlipayEncrypt.decryptContent(content, encryptType, encryptKey, charset);

}catch(AlipayApiException e) {//解密異常, 日志

LOGGER.error("解密異常，encryptContent=" +encryptContent, e);

restResponse.setRestStatus(RestStatus.FAIL_100021);returnrestResponse;

}

}else{

plainData=content;

}

restResponse.setData(plainData);

restResponse.setRestStatus(RestStatus.SUCCESS);

}catch(Exception e) {

LOGGER.error("驗簽解密異常，encryptContent=" +encryptContent, e);

restResponse.setRestStatus(RestStatus.FAIL_100021);

}returnrestResponse;

}

總結

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