65 lines
2.7 KiB
Java
65 lines
2.7 KiB
Java
package org.springblade.core.api.crypto.core;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springblade.core.api.crypto.annotation.encrypt.ApiEncrypt;
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import org.springblade.core.api.crypto.bean.CryptoInfoBean;
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import org.springblade.core.api.crypto.config.ApiCryptoProperties;
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import org.springblade.core.api.crypto.exception.EncryptBodyFailException;
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import org.springblade.core.api.crypto.util.ApiCryptoUtil;
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import org.springblade.core.tool.jackson.JsonUtil;
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import org.springblade.core.tool.utils.ClassUtil;
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import org.springframework.boot.autoconfigure.AutoConfiguration;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.core.MethodParameter;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.MediaType;
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import org.springframework.http.server.ServerHttpRequest;
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import org.springframework.http.server.ServerHttpResponse;
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import org.springframework.lang.NonNull;
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import org.springframework.lang.Nullable;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
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/**
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* 响应数据的加密处理<br>
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* 本类只对控制器参数中含有<strong>{@link org.springframework.web.bind.annotation.ResponseBody}</strong>
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* 或者控制类上含有<strong>{@link org.springframework.web.bind.annotation.RestController}</strong>
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* 以及package为<strong><code>org.springblade.core.api.signature.annotation.encrypt</code></strong>下的注解有效
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*
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* @author licoy.cn, L.cm
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* @see ResponseBodyAdvice
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*/
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@Slf4j
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@Order(1)
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@AutoConfiguration
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@ControllerAdvice
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@RequiredArgsConstructor
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@ConditionalOnProperty(value = ApiCryptoProperties.PREFIX + ".enabled", havingValue = "true", matchIfMissing = true)
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public class ApiEncryptResponseBodyAdvice implements ResponseBodyAdvice<Object> {
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private final ApiCryptoProperties properties;
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@Override
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public boolean supports(MethodParameter returnType, @NonNull Class converterType) {
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return ClassUtil.isAnnotated(returnType.getMethod(), ApiEncrypt.class);
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}
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@Nullable
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@Override
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public Object beforeBodyWrite(Object body, @NonNull MethodParameter returnType, @NonNull MediaType selectedContentType,
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@NonNull Class selectedConverterType, @NonNull ServerHttpRequest request, @NonNull ServerHttpResponse response) {
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if (body == null) {
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return null;
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}
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response.getHeaders().setContentType(MediaType.TEXT_PLAIN);
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CryptoInfoBean cryptoInfoBean = ApiCryptoUtil.getEncryptInfo(returnType);
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if (cryptoInfoBean != null) {
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byte[] bodyJsonBytes = JsonUtil.toJsonAsBytes(body);
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return ApiCryptoUtil.encryptData(properties, bodyJsonBytes, cryptoInfoBean);
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}
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throw new EncryptBodyFailException();
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}
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}
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