88 lines
3.7 KiB
Java
88 lines
3.7 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.decrypt.ApiDecrypt;
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import org.springblade.core.api.crypto.bean.CryptoInfoBean;
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import org.springblade.core.api.crypto.bean.DecryptHttpInputMessage;
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import org.springblade.core.api.crypto.config.ApiCryptoProperties;
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import org.springblade.core.api.crypto.exception.DecryptBodyFailException;
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import org.springblade.core.api.crypto.util.ApiCryptoUtil;
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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.HttpInputMessage;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.lang.NonNull;
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import org.springframework.util.StreamUtils;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Type;
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/**
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* 请求数据的加密信息解密处理<br>
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* 本类只对控制器参数中含有<strong>{@link org.springframework.web.bind.annotation.RequestBody}</strong>
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* 以及package为<strong><code>org.springblade.core.api.signature.annotation.decrypt</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 RequestBodyAdvice
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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 ApiDecryptRequestBodyAdvice implements RequestBodyAdvice {
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private final ApiCryptoProperties properties;
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@Override
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public boolean supports(MethodParameter methodParameter, @NonNull Type targetType, @NonNull Class<? extends HttpMessageConverter<?>> converterType) {
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return ClassUtil.isAnnotated(methodParameter.getMethod(), ApiDecrypt.class);
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}
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@Override
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public Object handleEmptyBody(Object body, @NonNull HttpInputMessage inputMessage, @NonNull MethodParameter parameter,
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@NonNull Type targetType, @NonNull Class<? extends HttpMessageConverter<?>> converterType) {
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return body;
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}
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@NonNull
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@Override
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public HttpInputMessage beforeBodyRead(HttpInputMessage inputMessage, @NonNull MethodParameter parameter,
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@NonNull Type targetType, @NonNull Class<? extends HttpMessageConverter<?>> converterType) throws IOException {
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// 判断 body 是否为空
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InputStream messageBody = inputMessage.getBody();
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if (messageBody.available() <= 0) {
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return inputMessage;
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}
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byte[] decryptedBody = null;
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CryptoInfoBean cryptoInfoBean = ApiCryptoUtil.getDecryptInfo(parameter);
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if (cryptoInfoBean != null) {
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// base64 byte array
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byte[] bodyByteArray = StreamUtils.copyToByteArray(messageBody);
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decryptedBody = ApiCryptoUtil.decryptData(properties, bodyByteArray, cryptoInfoBean);
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}
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if (decryptedBody == null) {
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throw new DecryptBodyFailException("Decryption error, " +
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"please check if the selected source data is encrypted correctly." +
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" (解密错误，请检查选择的源数据的加密方式是否正确。)");
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}
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InputStream inputStream = new ByteArrayInputStream(decryptedBody);
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return new DecryptHttpInputMessage(inputStream, inputMessage.getHeaders());
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}
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@NonNull
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@Override
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public Object afterBodyRead(@NonNull Object body, @NonNull HttpInputMessage inputMessage, @NonNull MethodParameter parameter, @NonNull Type targetType, @NonNull Class<? extends HttpMessageConverter<?>> converterType) {
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return body;
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}
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}
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