LAPTOP-SB56SG4Q\86185
3 years ago
14 changed files with 555 additions and 1 deletions
@ -1,3 +1,5 @@
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# demo-export-encrypt |
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导入导出加解密demo |
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导入导出加解密demo\ |
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三种基本的导入导出加解密实现方案。\ |
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注:该代码仅用于教学演示!本身不保证在实际商业使用中代码的可靠性!需开发者自行根据需求进行调整! |
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apply plugin: 'java' |
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[compileJava,compileTestJava]*.options*.encoding = 'UTF-8' |
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ext { |
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/** |
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* 项目中依赖的jar的路径 |
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* 1.如果依赖的jar需要打包到zip中,放置在lib根目录下 |
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* 2.如果依赖的jar仅仅是编译时需要,防止在lib下子目录下即可 |
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*/ |
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libPath = "$projectDir/../../webroot/WEB-INF/lib" |
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/** |
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* 是否对插件的class进行加密保护,防止反编译 |
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*/ |
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guard = false |
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def pluginInfo = getPluginInfo() |
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pluginPre = "fine-plugin" |
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pluginName = pluginInfo.id |
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pluginVersion = pluginInfo.version |
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outputPath = "$projectDir/../../webroot/WEB-INF/plugins/plugin-" + pluginName + "-1.0/classes" |
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} |
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group = 'com.fr.plugin' |
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version = '10.0' |
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sourceCompatibility = '8' |
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sourceSets { |
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main { |
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java.outputDir = file(outputPath) |
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output.resourcesDir = file(outputPath) |
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} |
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} |
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ant.importBuild("encrypt.xml") |
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//定义ant变量 |
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ant.projectDir = projectDir |
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ant.references["compile.classpath"] = ant.path { |
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fileset(dir: libPath, includes: '**/*.jar') |
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fileset(dir: ".",includes:"**/*.jar" ) |
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} |
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classes.dependsOn('clean') |
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task copyFiles(type: Copy,dependsOn: 'classes'){ |
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from outputPath |
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into "$projectDir/classes" |
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} |
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task preJar(type:Copy,dependsOn: guard ? 'compile_encrypt_javas' : 'compile_plain_javas'){ |
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from "$projectDir/classes" |
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into "$projectDir/transform-classes" |
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include "**/*.*" |
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} |
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jar.dependsOn("preJar") |
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task makeJar(type: Jar,dependsOn: preJar){ |
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from fileTree(dir: "$projectDir/transform-classes") |
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baseName pluginPre |
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appendix pluginName |
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version pluginVersion |
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destinationDir = file("$buildDir/libs") |
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doLast(){ |
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delete file("$projectDir/classes") |
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delete file("$projectDir/transform-classes") |
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} |
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} |
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task copyFile(type: Copy,dependsOn: ["makeJar"]){ |
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from "$buildDir/libs" |
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from("$projectDir/lib") { |
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include "*.jar" |
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} |
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from "$projectDir/plugin.xml" |
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into file("$buildDir/temp/plugin") |
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} |
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task zip(type:Zip,dependsOn:["copyFile"]){ |
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from "$buildDir/temp/plugin" |
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destinationDir file("$buildDir/install") |
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baseName pluginPre |
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appendix pluginName |
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version pluginVersion |
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} |
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//控制build时包含哪些文件,排除哪些文件 |
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processResources { |
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// exclude everything |
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// 用*.css没效果 |
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// exclude '**/*.css' |
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// except this file |
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// include 'xx.xml' |
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} |
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/*读取plugin.xml中的version*/ |
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def getPluginInfo(){ |
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def xmlFile = file("plugin.xml") |
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if (!xmlFile.exists()) { |
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return ["id":"none", "version":"1.0.0"] |
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} |
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def plugin = new XmlParser().parse(xmlFile) |
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def version = plugin.version[0].text() |
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def id = plugin.id[0].text() |
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return ["id":id,"version":version] |
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} |
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repositories { |
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mavenLocal() |
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maven { |
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url = uri('http://mvn.finedevelop.com/repository/maven-public/') |
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} |
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} |
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dependencies { |
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//使用本地jar |
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implementation fileTree(dir: 'lib', include: ['**/*.jar']) |
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implementation fileTree(dir: libPath, include: ['**/*.jar']) |
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} |
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<?xml version="1.0" encoding="UTF-8" standalone="no"?> |
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<project> |
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<target name="compile_encrypt_javas" depends="copyFiles"> |
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<echo message="加密文件"/> |
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<echo message="${projectDir}"/> |
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<taskdef name="pretreatment" classname="com.fr.plugin.pack.PluginPretreatmentTask"> |
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<classpath refid="compile.classpath"/> |
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</taskdef> |
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<pretreatment baseDir="${projectDir}"/> |
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</target> |
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<target name="compile_plain_javas" depends="copyFiles"> |
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</target> |
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</project> |
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<?xml version="1.0" encoding="UTF-8" standalone="no"?><plugin> |
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<id>com.tptj.demo.hg.export.encrypt.v10</id> |
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<name><![CDATA[ Export Encrypt ]]></name> |
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<active>yes</active> |
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<version>1.0</version> |
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<env-version>10.0</env-version> |
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<vendor>tptj</vendor> |
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<jartime>2019-07-18</jartime> |
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<description><![CDATA[ ]]></description> |
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<change-notes><![CDATA[]]></change-notes> |
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<main-package>com.tptj.demo.hg.export.encrypt</main-package> |
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<function-recorder class="com.tptj.demo.hg.export.encrypt.EncryptOutputStream"/> |
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<!-- 以下三个接口实际使用时只需要选择其中一个即可,同时使用会产生冲突! --> |
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<extra-decision> |
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<GlobalRequestFilterProvider class="com.tptj.demo.hg.export.encrypt.demo3.Demo"/> |
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</extra-decision> |
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<extra-report> |
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<ExportOperateProvider class="com.tptj.demo.hg.export.encrypt.demo1.Demo"/> |
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<ExportExtensionProcessor class="com.tptj.demo.hg.export.encrypt.demo2.Demo"/> |
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</extra-report> |
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</plugin> |
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package com.tptj.demo.hg.export.encrypt; |
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import com.fr.intelli.record.Focus; |
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import com.fr.record.analyzer.EnableMetrics; |
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import com.fr.third.org.bouncycastle.util.Arrays; |
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import javax.servlet.ServletOutputStream; |
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import javax.servlet.WriteListener; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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@EnableMetrics |
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public class EncryptOutputStream extends ServletOutputStream { |
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private OutputStream original = null; |
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private boolean closed = false; |
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private ByteArrayOutputStream crypt = new ByteArrayOutputStream(); |
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public EncryptOutputStream( OutputStream original ){ |
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this.original = original; |
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} |
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/** |
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* 实际加密的代码就在这里实现了 |
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* @param bytes |
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* @return |
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*/ |
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@Focus(id="com.tptj.demo.hg.export.encrypt.v10",text="Export Encrypt") |
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private byte[] encrypt(byte[] bytes){ |
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//假设逆序就是加密了
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return Arrays.reverse(bytes); |
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} |
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@Override |
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public void write(int b) throws IOException { |
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if (closed) { |
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throw new IOException("Cannot write to a closed output stream"); |
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} |
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crypt.write(b); |
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} |
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@Override |
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public void close() throws IOException { |
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if( !closed ){ |
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byte[] bytes = crypt.toByteArray(); |
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bytes = encrypt(bytes); |
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original.write(bytes); |
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original.flush(); |
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original.close(); |
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closed = true; |
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} |
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} |
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@Override |
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public void flush() throws IOException { |
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crypt.flush(); |
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} |
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@Override |
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public void write(byte[] data) throws IOException { |
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write(data, 0, data.length); |
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} |
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@Override |
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public void write(byte[] data, int off, int len) throws IOException { |
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if (closed) { |
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throw new IOException("Cannot write to a closed output stream"); |
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} |
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crypt.write(data, off, len); |
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} |
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@Override |
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public boolean isReady() { |
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return true; |
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} |
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@Override |
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public void setWriteListener(WriteListener listener) { |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo1; |
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import com.fr.report.fun.impl.AbstractExportOperateProvider; |
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import com.fr.web.core.reserve.Operate; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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* 仅对某一种文件导出加密的方案1 |
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**/ |
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public class Demo extends AbstractExportOperateProvider { |
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@Override |
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public Operate operate() { |
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return new EncryptExcelOperate(); |
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} |
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@Override |
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public String markType() { |
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return Format.EXCEL; |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo1; |
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import com.fr.io.collection.ExportCollection; |
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import com.fr.io.exporter.AppExporter; |
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import com.fr.stable.web.SessionProvider; |
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import com.fr.web.core.reserve.ExcelOperate; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class EncryptExcelOperate extends ExcelOperate { |
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@Override |
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public ExportCollection newExportCollection(HttpServletRequest req, HttpServletResponse res, |
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SessionProvider sessionIDInfor, String filename ){ |
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ExportCollection collection = super.newExportCollection(req, res, sessionIDInfor, filename); |
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AppExporter exporter = collection.getExporter(); |
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collection.setExporter( new EncryptExporter(exporter) ); |
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return collection; |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo1; |
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import com.fr.io.exporter.AppExporter; |
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import com.fr.main.workbook.ResultWorkBook; |
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import com.fr.page.PageSetCreator; |
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import com.fr.page.PageSetProvider; |
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import com.fr.web.core.ReportRepositoryDeal; |
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import com.tptj.demo.hg.export.encrypt.EncryptOutputStream; |
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import java.io.OutputStream; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class EncryptExporter implements AppExporter { |
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private AppExporter original; |
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public EncryptExporter(AppExporter original){ |
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this.original = original; |
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} |
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@Override |
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public void export( OutputStream out, ResultWorkBook book ) throws Exception { |
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original.export( new EncryptOutputStream(out), book ); |
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} |
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@Override |
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public void export( OutputStream out, PageSetProvider pageSet ) throws Exception { |
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original.export( new EncryptOutputStream(out), pageSet ); |
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} |
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@Override |
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public void export(OutputStream out, ResultWorkBook book, PageSetCreator creator, ReportRepositoryDeal repo, int[] sheets) throws Exception { |
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original.export( new EncryptOutputStream(out), book,creator,repo,sheets); |
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} |
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@Override |
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public void export(OutputStream out, ResultWorkBook book, PageSetProvider pageSet, ReportRepositoryDeal repo, int[] sheets) throws Exception { |
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original.export( new EncryptOutputStream(out), book,pageSet,repo,sheets); |
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} |
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@Override |
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public void setVersion(Object o) { |
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original.setVersion(o); |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo1; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class Format { |
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public static final String EXCEL = "excel"; |
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public static final String WORD = "word"; |
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public static final String PDF = "pdf"; |
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public static final String IMAGE = "image"; |
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} |
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package com.tptj.demo.hg.export.encrypt.demo2; |
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import com.fr.io.collection.ExportCollection; |
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import com.fr.io.exporter.AppExporter; |
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import com.fr.web.core.ReportSessionIDInfor; |
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import com.fr.web.core.reserve.DefaultExportExtension; |
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import com.tptj.demo.hg.export.encrypt.demo1.EncryptExporter; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class Demo extends DefaultExportExtension { |
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@Override |
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public ExportCollection createCollection(HttpServletRequest req, HttpServletResponse res, |
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ReportSessionIDInfor info, String format, String filename, boolean isEmbed) throws Exception { |
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ExportCollection collection = super.createCollection(req, res, info, format,filename,isEmbed); |
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AppExporter exporter = collection.getExporter(); |
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collection.setExporter( new EncryptExporter(exporter) ); |
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return collection; |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo3; |
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import com.fr.general.IOUtils; |
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import com.fr.third.org.bouncycastle.util.Arrays; |
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import javax.servlet.ServletInputStream; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletRequestWrapper; |
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import java.io.BufferedReader; |
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import java.io.ByteArrayInputStream; |
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import java.io.IOException; |
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import java.io.InputStreamReader; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class DecryptRequest extends HttpServletRequestWrapper { |
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private byte[] data; |
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public DecryptRequest(HttpServletRequest request) { |
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super(request); |
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init(); |
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} |
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private void init(){ |
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try{ |
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data = IOUtils.inputStream2Bytes(getRequest().getInputStream()); |
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//实现解密(假设加密就是逆序,那么解密就是再次逆序即可)
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data = Arrays.reverse(data); |
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}catch(Exception e){ |
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data = new byte[0]; |
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} |
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} |
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@Override |
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public ServletInputStream getInputStream() throws IOException { |
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try{ |
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return new DelegatingServletInputStream(new ByteArrayInputStream( data )); |
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}catch (Exception e){ |
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return null; |
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} |
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} |
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@Override |
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public BufferedReader getReader()throws IOException{ |
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return new BufferedReader(new InputStreamReader(new ByteArrayInputStream( data ))); |
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} |
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} |
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package com.tptj.demo.hg.export.encrypt.demo3; |
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import javax.servlet.ReadListener; |
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import javax.servlet.ServletInputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class DelegatingServletInputStream extends ServletInputStream { |
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private final InputStream sourceStream; |
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public DelegatingServletInputStream(InputStream stream) { |
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this.sourceStream = stream; |
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} |
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public final InputStream getSourceStream() { |
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return this.sourceStream; |
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} |
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@Override |
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public int read() throws IOException { |
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return this.sourceStream.read(); |
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} |
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@Override |
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public void close() throws IOException { |
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super.close(); |
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this.sourceStream.close(); |
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} |
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@Override |
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public boolean isFinished() { |
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return false; |
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} |
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@Override |
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public boolean isReady() { |
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return false; |
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} |
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@Override |
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public void setReadListener(ReadListener listener) { } |
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} |
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package com.tptj.demo.hg.export.encrypt.demo3; |
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import com.fr.decision.fun.impl.AbstractGlobalRequestFilterProvider; |
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import com.fr.log.FineLoggerFactory; |
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import com.fr.stable.StringUtils; |
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import com.fr.web.utils.WebUtils; |
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import javax.servlet.FilterChain; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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/** |
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* @author 秃破天际 |
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* @version 10.0 |
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* Created by 秃破天际 on 2021/7/15 |
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**/ |
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public class Demo extends AbstractGlobalRequestFilterProvider { |
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@Override |
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public String filterName() { |
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return "Export Encrypt"; |
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} |
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@Override |
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public String[] urlPatterns() { |
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return new String[]{ |
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"/decision/view/report" |
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}; |
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} |
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@Override |
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public void doFilter(HttpServletRequest req, HttpServletResponse res, FilterChain chain) { |
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String op = WebUtils.getHTTPRequestParameter(req,"op"); |
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String format = WebUtils.getHTTPRequestParameter(req,"format"); |
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String cmd = WebUtils.getHTTPRequestParameter(req,"cmd"); |
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if( "export".equals(op) && StringUtils.isNotEmpty(format) ){ |
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//如果是导出,就包裹导出的响应,通过响应中包裹的outputstream进行输出的加密
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res = new EncryptResponse( res ); |
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} |
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if( "fr_write".equals(op) && "imp_w_excel_data".equals(cmd) ){ |
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//导入excel,包裹请求,读取输入的文件流,先解密,再交给后续的产品处理
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req = new DecryptRequest(req); |
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} |
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try{ |
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chain.doFilter(req,res); |
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}catch(Exception e){ |
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FineLoggerFactory.getLogger().error(e,e.getMessage()); |
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} |
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} |
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} |
@ -0,0 +1,26 @@
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package com.tptj.demo.hg.export.encrypt.demo3; |
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import com.tptj.demo.hg.export.encrypt.EncryptOutputStream; |
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import javax.servlet.ServletOutputStream; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpServletResponseWrapper; |
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import java.io.IOException; |
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|
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/** |
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* @author 秃破天际 |
||||
* @version 10.0 |
||||
* Created by 秃破天际 on 2021/7/15 |
||||
**/ |
||||
public class EncryptResponse extends HttpServletResponseWrapper { |
||||
|
||||
public EncryptResponse(HttpServletResponse response) { |
||||
super(response); |
||||
} |
||||
|
||||
public ServletOutputStream getOutputStream()throws IOException { |
||||
ServletOutputStream original = super.getOutputStream(); |
||||
return new EncryptOutputStream(original); |
||||
} |
||||
|
||||
} |
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Reference in new issue