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源码改造, 反向代理支持加解密、非加密传输

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This commit is contained in:
ztzh_xieyun 2024-04-25 13:54:14 +08:00
parent 87f61bc4d8
commit 99fcb47f55
37 changed files with 2491 additions and 663 deletions
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4
sf-vertx/pom.xml
View File

@ -96,10 +96,6 @@
<groupId>io.vertx</groupId>
<artifactId>vertx-core</artifactId>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-http-proxy</artifactId>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-web</artifactId>

1
sf-vertx/src/main/java/com/sf/vertx/handle/BodyHandlerImpl.java
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@ -77,6 +77,7 @@ public class BodyHandlerImpl implements BodyHandler {
@Override
public void handle(RoutingContext context) {
// TODO 改造了这个地方
final HttpServerRequest request = context.request();
final HttpServerResponse response = context.response();
String sacAppHeaderKey = request.getHeader(DynamicBuildServer.SAC_APP_HEADER_KEY);

33
sf-vertx/src/main/java/com/sf/vertx/handle/ProxyHandlerImpl.java
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@ -1,25 +1,12 @@
package com.sf.vertx.handle;
import com.sf.vertx.security.MainSecurity;
import io.vertx.core.Future;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.PoolOptions;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.RoutingContext;
import io.vertx.ext.web.client.WebClient;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.HttpProxy;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import lombok.extern.slf4j.Slf4j;
/**
* @author <a href="mailto:emad.albloushi@gmail.com">Emad Alblueshi</a>
*/
@Slf4j
public class ProxyHandlerImpl implements ProxyHandler {
private final HttpProxy httpProxy;
@ -40,23 +27,9 @@ public class ProxyHandlerImpl implements ProxyHandler {
@Override
public void handle(RoutingContext ctx) {
// 创建一个响应并设置参数
// ctx.request().response().setStatusCode(200)
// .putHeader("content-type", "text/plain").end(body);
// 发起一个请求
// this.mainWebClient.post(9198, "127.0.0.1", "/vertx/body").sendJson(ctx.getBodyAsString(), h -> {
// if (h.succeeded()) {
// JsonObject responseData = h.result().bodyAsJsonObject();
// log.info("responseData:{}", responseData);
// // 加密
// String dataStr = MainSecurity.aesEncrypt(responseData.toString(), "dadddsdfadfadsfa33323223");
// log.info("dataStr:{}", dataStr);
// ctx.request().response().setStatusCode(200).putHeader("content-type", "application/json").end(dataStr);
// }
// });
// TODO 改造了这个地方
httpProxy.handle(ctx, mainWebClient);
// 原始代码只有如下一句
httpProxy.handle(ctx.request());
// httpProxy.handle(ctx.request());
}
}

4
sf-vertx/src/main/java/com/sf/vertx/init/DynamicBuildServer.java
View File

@ -119,8 +119,9 @@ public class DynamicBuildServer implements ApplicationRunner {
return context.sendRequest();
}
});
// mainHttpRouter.route().handler(ProxyHandler.create(proxy));
WebClient mainWebClient = WebClient.create(VERTX);
//mainHttpRouter.route().handler(ProxyHandler.create(proxy));
mainHttpRouter.route().handler(BodyHandler.create()).handler(ProxyHandler.create(mainWebClient,proxy));
}
@ -136,6 +137,7 @@ public class DynamicBuildServer implements ApplicationRunner {
SacLoadBalancing sacLoadBalancing = null;
// 2、是否存在server服务配置
if (appConfig.getService() != null && appConfig.getService().size() > 0) {
// header传递服务名, 这样就不需要遍历,提高性能
for (SacService service : appConfig.getService()) {
// uri是否匹配
boolean match = false;

84
sf-vertx/src/main/java/com/sf/vertx/strategy/security/AesUtils.java
View File

@ -1,84 +0,0 @@
package com.sf.vertx.strategy.security;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
/**
* 本类采用对称加密 加密算法：{@link #PADDINIG_MODE}
* {@link #RESULT_TYPE} 密文结果：1=base64 2=hex
*/
public class AesUtils {
/**
* 整平方法
*/
private static final int RESULT_TYPE = 2;
/**
* 加密方法
*/
private static final String AES_ALGORITHM = "AES";
/**
* 填充方法
*/
private static final String PADDINIG_MODE = "AES/CBC/PKCS5Padding";
/**
* 偏移量
*/
private static final byte[] IV = "0000000000000000".getBytes();
public static String encrypt(String s, String k) throws Exception {
SecretKeySpec key = new SecretKeySpec(StringUtils.getBytes(k), AES_ALGORITHM);
byte[] data = encrypt(StringUtils.getBytes(s), key);
String result;
switch (RESULT_TYPE) {
case 1:
result = Base64Utils.encode(data);
break;
case 2:
result = HexUtils.bytes2Hex(data);
break;
default:
throw new Exception("Unsupport Result Type");
}
return result;
}
public static String decrypt(String s, String k) throws Exception {
SecretKeySpec key = new SecretKeySpec(StringUtils.getBytes(k), AES_ALGORITHM);
byte[] data;
switch (RESULT_TYPE) {
case 1:
data = Base64Utils.decode(s);
break;
case 2:
data = HexUtils.hex2Bytes(s);
break;
default:
throw new Exception("Unsupport Result Type");
}
return StringUtils.bytes2String(decrypt(data, key));
}
private static byte[] encrypt(byte[] data, SecretKeySpec keySpec) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
IvParameterSpec ivspec = new IvParameterSpec(IV);
Cipher cipher = Cipher.getInstance(PADDINIG_MODE);
cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivspec);
return cipher.doFinal(data);
}
private static byte[] decrypt(byte[] data, SecretKeySpec keySpec) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
IvParameterSpec ivspec = new IvParameterSpec(IV);
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivspec);
return cipher.doFinal(data);
}
}

31
sf-vertx/src/main/java/com/sf/vertx/strategy/security/Base64Utils.java
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@ -1,31 +0,0 @@
package com.sf.vertx.strategy.security;
import java.io.UnsupportedEncodingException;
import java.util.Base64;
/**
* 将Base64字符串和字节数组互转
*/
public class Base64Utils {
/**
* 将字节数组编码为base64字符串
*
* @param b 字节数组
* @return String 字符串
*/
public static String encode(byte[] b) {
return Base64.getEncoder().encodeToString(b);
}
/**
* 将字符串转base64为字节数组
*
* @param s 字符串
* @return byte[] 字节数组
*/
public static byte[] decode(String s) {
return Base64.getDecoder().decode(s);
}
}

53
sf-vertx/src/main/java/com/sf/vertx/strategy/security/HexUtils.java
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@ -1,53 +0,0 @@
package com.sf.vertx.strategy.security;
/**
* 将字节数组和HEX字符串进行互转
*/
public class HexUtils {
private static final char[] HEX = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
/**
* 字节数组转字符串
*
* @param byteArr 字节数组
* @return 字符串
*/
public static String bytes2Hex(byte[] byteArr) {
StringBuilder sb = new StringBuilder(byteArr.length);
for (byte b : byteArr) {
String sTemp = Integer.toHexString(255 & b);
if (sTemp.length() < 2) {
sb.append(0);
}
sb.append(sTemp.toUpperCase());
}
return sb.toString();
}
/**
* HEX字符串转字节数组
*
* @param str 字符串
* @return 字节数组
*/
public static byte[] hex2Bytes(String str) {
if (str == null) {
return null;
} else {
char[] hex = str.toCharArray();
int length = hex.length / 2;
byte[] raw = new byte[length];
for (int i = 0; i < length; ++i) {
int high = Character.digit(hex[i * 2], 16);
int low = Character.digit(hex[i * 2 + 1], 16);
int value = high << 4 | low;
if (value > 127) {
value -= 256;
}
raw[i] = (byte) value;
}
return raw;
}
}
}

78
sf-vertx/src/main/java/com/sf/vertx/strategy/security/MainSecurity.java
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@ -1,78 +0,0 @@
package com.sf.vertx.strategy.security;
import java.util.logging.Logger;
/**
* 本项目中真正对外提供服务的工具类
*/
public class MainSecurity {
private static final Logger LOGGER = Logger.getLogger(MainSecurity.class.getName());
/**
* 加密，当失败的时候，返回空字符串
*
* @param content
* @param pubKey
* @return
*/
public static String rsaEncrypt(String content, String pubKey) {
try {
return RSA2Utils.encrypt(content, pubKey);
} catch (Exception e) {
LOGGER.info("RSA加密失败");
e.printStackTrace();
return null;
}
}
public static String rsaDecrypt(String content, String priKey) {
try {
return RSA2Utils.decrypt(content, priKey);
} catch (Exception e) {
LOGGER.info("RSA解密失败");
e.printStackTrace();
return null;
}
}
public static String aesEncrypt(String content, String key) {
try {
return AesUtils.encrypt(content, key);
} catch (Exception e) {
e.printStackTrace();
LOGGER.info("AES加密失败");
return null;
}
}
public static String aesDecrypt(String content, String key) {
try {
return AesUtils.decrypt(content, key);
} catch (Exception e) {
e.printStackTrace();
LOGGER.info("AES解密失败");
return null;
}
}
public static String sign(String content) {
try {
return MessageDigest.md5(content);
} catch (Exception e) {
e.printStackTrace();
LOGGER.info("MD5加密失败");
return null;
}
}
public static void main(String[] args) {
System.out.println(aesEncrypt("{\n"
+ " \"errorCode\": \"test\",\n"
+ " \"result\": 0,\n"
+ " \"data\": {\n"
+ " \"username\" : \"test\"\n"
+ " }\n"
+ "}", "dadddsdfadfadsfa33323223"));
System.out.println(aesDecrypt("59A69B6BBCF046C3CF9953C5CC078CC68ABBED261030F3C119F65B9A3EB306423F32560751B22616500070BCE57153BE2B6E47CAC380C7D226862558256325826FECC43E957FCACB74E22BA48125FABC01FC77B127E384F8F62D9881741931A8C1ABF0A391F06606A060499EB53EF217", "dadddsdfadfadsfa33323223"));
}
}

47
sf-vertx/src/main/java/com/sf/vertx/strategy/security/MessageDigest.java
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@ -1,47 +0,0 @@
package com.sf.vertx.strategy.security;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.security.NoSuchAlgorithmException;
public class MessageDigest {
public static String md5(String text) throws NoSuchAlgorithmException {
java.security.MessageDigest digest = java.security.MessageDigest.getInstance("md5");
byte[] buffer = digest.digest(text.getBytes());
StringBuilder sb = new StringBuilder();
for (byte b : buffer) {
int a = b & 0xff;
String hex = Integer.toHexString(a);
if (hex.length() == 1) {
hex = 0 + hex;
}
sb.append(hex);
}
return sb.toString();
}
private static String hmacSha1(String data, String key, int type) throws Exception {
//根据给定的字节数组构造一个密钥,第二参数指定一个密钥算法的名称
SecretKeySpec signinKey = new SecretKeySpec(key.getBytes(), "HmacSHA1");
//生成一个指定 Mac 算法 的 Mac 对象
Mac mac = Mac.getInstance("HmacSHA1");
//用给定密钥初始化 Mac 对象
mac.init(signinKey);
//完成 Mac 操作
byte[] rawHmac = mac.doFinal(StringUtils.getBytes(data));
String result;
switch (type) {
case 1:
result = Base64Utils.encode(rawHmac);
break;
case 2:
result = HexUtils.bytes2Hex(rawHmac);
break;
default:
throw new Exception("Unsupport Type");
}
return result;
}
}

282
sf-vertx/src/main/java/com/sf/vertx/strategy/security/RSA2Utils.java
View File

@ -1,282 +0,0 @@
package com.sf.vertx.strategy.security;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.*;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.ArrayList;
import java.util.List;
/**
* 本类进行非对称加密，不推荐使用非对称加密对长字符串进行加密或者解密，徒增资源消耗，另外由于长度限制，过长的字符串的加密和解密会使用循环，对数据分段加密；本类采用的
* 密钥字符串均为Base64加密后的
* 另外所有异常都会抛出
* 下面将会列举几个可以自定义或者暴露出去的接口和参数
* {@link #IS_LONG_TEXT} 是否否对长文本处理
* {@link #RESULT_TYPE} 密文结果：1=base64 2=hex
* {@link #RSA_ALGORITHM} RSA算法
* {@link #encrypt(String, String)} 加密方法
* {@link #decrypt(String, String)} 解密方法
* {@link #getKeyPair} 解密方法
*/
public class RSA2Utils {
/**
* 是否对长文本加密；请参照{@link #MAX_DECRYPT_BLOCK}和{@link #MAX_ENCRYPT_BLOCK}
*/
private static final boolean IS_LONG_TEXT = true;
/**
* 结果类型
*/
private static final int RESULT_TYPE = 2;
/**
* RSA 算法
*/
private static final String RSA_ALGORITHM = "RSA";
/**
* 长文本解密块大小
*/
private static final int MAX_DECRYPT_BLOCK = 128;
/**
* 长文本加密块大小
*/
private static final int MAX_ENCRYPT_BLOCK = 117;
/**
* KyeSize
*/
private static final int KEY_SIZE = 2048;
/**
* 加密
*
* @param content 待加密的字符串
* @param pubKey 公钥字符串
* @return 加密后的文本
* @throws Exception 异常
*/
public static String encrypt(String content, String pubKey) throws Exception {
byte[] data = StringUtils.getBytes(content);
PublicKey publicKey = string2PubKey(pubKey);
byte[] resultArr;
if (IS_LONG_TEXT) {
resultArr = encryptLongStr(data, publicKey);
} else {
resultArr = encrypt(data, publicKey);
}
String result;
switch (RESULT_TYPE) {
case 1:
result = Base64Utils.encode(resultArr);
break;
case 2:
result = HexUtils.bytes2Hex(resultArr);
break;
default:
throw new Exception("Unsupport result type");
}
return result;
}
/**
* @param content 密文内容
* @param priKey 私钥
* @return 解密后的字符串
* @throws Exception 异常
*/
public static String decrypt(String content, String priKey) throws Exception {
byte[] data;
switch (RESULT_TYPE) {
case 1:
data = Base64Utils.decode(content);
break;
case 2:
data = HexUtils.hex2Bytes(content);
break;
default:
throw new Exception("Unsupport result type");
}
PrivateKey privateKey = string2PrivateKey(priKey);
byte[] result;
if (IS_LONG_TEXT) {
result = decryptLongStr(data, privateKey);
} else {
result = decrypt(privateKey, data);
}
return StringUtils.bytes2String(result);
}
/**
* 响应公私钥对
*
* @return 0号 公钥 1号 私钥
* @throws NoSuchAlgorithmException 异常
*/
public static List<String> getKeyPair() throws NoSuchAlgorithmException {
KeyPair keyPairObj = getKeyPairObj();
List<String> data = new ArrayList<>();
data.add(Base64Utils.encode(keyPairObj.getPublic().getEncoded()));
data.add(Base64Utils.encode(keyPairObj.getPrivate().getEncoded()));
return data;
// jdk 17
//return List.of(Base64Utils.encode(keyPairObj.getPublic().getEncoded()), Base64Utils.encode(keyPairObj.getPrivate().getEncoded()));
}
/**
* 将公钥字符串转化为对象
*
* @param s base64字符串
* @return 公钥
* @throws NoSuchAlgorithmException 异常
* @throws UnsupportedEncodingException 异常
* @throws InvalidKeySpecException 异常
*/
private static PublicKey string2PubKey(String s) throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeySpecException {
KeyFactory keyFactory = KeyFactory.getInstance(RSA_ALGORITHM);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(Base64Utils.decode(s));
return keyFactory.generatePublic(keySpec);
}
/**
* 对段字符串进行加密
*
* @param bytes 字节数组
* @param publicKey 公钥
* @return 加密后的数组
* @throws InvalidKeyException 异常
* @throws BadPaddingException 异常
* @throws IllegalBlockSizeException 异常
* @throws NoSuchPaddingException 异常
* @throws NoSuchAlgorithmException 异常
*/
private static byte[] encrypt(byte[] bytes, PublicKey publicKey) throws InvalidKeyException, BadPaddingException, IllegalBlockSizeException, NoSuchPaddingException, NoSuchAlgorithmException {
Cipher cipher = Cipher.getInstance(RSA_ALGORITHM);
cipher.init(Cipher.ENCRYPT_MODE, publicKey);
return cipher.doFinal(bytes);
}
/**
* 对长字符串进行加密
*
* @param bytes 字节数组
* @param publicKey 公钥
* @return 加密后的数组
* @throws NoSuchPaddingException 异常
* @throws NoSuchAlgorithmException 异常
* @throws InvalidKeyException 异常
*/
private static byte[] encryptLongStr(byte[] bytes, PublicKey publicKey) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException {
Cipher cipher = Cipher.getInstance(RSA_ALGORITHM);
cipher.init(Cipher.ENCRYPT_MODE, publicKey);
int inputLen = bytes.length;
byte[] encryptedData = new byte[0];
try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段加密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
cache = cipher.doFinal(bytes, offSet, MAX_ENCRYPT_BLOCK);
} else {
cache = cipher.doFinal(bytes, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_ENCRYPT_BLOCK;
}
encryptedData = out.toByteArray();
} catch (IOException | BadPaddingException | IllegalBlockSizeException e) {
e.printStackTrace();
}
return encryptedData;
}
/**
* 私钥字符串转为私钥对象
*
* @param priStr 私钥字符串
* @return 私钥对象
* @throws NoSuchAlgorithmException 异常
* @throws InvalidKeySpecException 异常
*/
private static PrivateKey string2PrivateKey(String priStr) throws NoSuchAlgorithmException, InvalidKeySpecException {
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64Utils.decode(priStr));
KeyFactory keyFactory = KeyFactory.getInstance(RSA_ALGORITHM);
return keyFactory.generatePrivate(keySpec);
}
/**
* 解密
*
* @param privateKey 私钥
* @param bytes 字节数组
* @return 解密后的字节数组
* @throws NoSuchPaddingException 异常
* @throws NoSuchAlgorithmException 异常
* @throws BadPaddingException 异常
* @throws IllegalBlockSizeException 异常
* @throws InvalidKeyException 异常
*/
public static byte[] decrypt(PrivateKey privateKey, byte[] bytes) throws NoSuchPaddingException, NoSuchAlgorithmException, BadPaddingException, IllegalBlockSizeException, InvalidKeyException {
Cipher cipher = Cipher.getInstance(privateKey.getAlgorithm());
cipher.init(Cipher.DECRYPT_MODE, privateKey);
return cipher.doFinal(bytes);
}
/**
* 解密
*
* @param data 解密前的字节数组
* @param privateKey 私钥
* @return 解密后的字节数组
* @throws InvalidKeyException 异常
* @throws NoSuchPaddingException 异常
* @throws NoSuchAlgorithmException 异常
*/
public static byte[] decryptLongStr(byte[] data, PrivateKey privateKey) throws InvalidKeyException, NoSuchPaddingException, NoSuchAlgorithmException {
Cipher cipher = Cipher.getInstance(privateKey.getAlgorithm());
cipher.init(Cipher.DECRYPT_MODE, privateKey);
int inputLen = data.length;
byte[] result = new byte[0];
try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段解密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_DECRYPT_BLOCK) {
cache = cipher.doFinal(data, offSet, MAX_DECRYPT_BLOCK);
} else {
cache = cipher.doFinal(data, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_DECRYPT_BLOCK;
}
result = out.toByteArray();
} catch (BadPaddingException | IllegalBlockSizeException | IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 获得一堆公私钥
*
* @return KeyPair对象
* @throws NoSuchAlgorithmException 异常
*/
private static KeyPair getKeyPairObj() throws NoSuchAlgorithmException {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(RSA_ALGORITHM);
SecureRandom secureRandom = new SecureRandom(StringUtils.getBytes(String.valueOf(System.currentTimeMillis())));
keyPairGenerator.initialize(KEY_SIZE, secureRandom);
return keyPairGenerator.genKeyPair();
}
}

53
sf-vertx/src/main/java/com/sf/vertx/strategy/security/StringUtils.java
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@ -1,53 +0,0 @@
package com.sf.vertx.strategy.security;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
public class StringUtils {
/**
* 编码方法
*/
private static final Charset CHARSET = StandardCharsets.UTF_8;
/**
* 根据本类的常量对字符串进行获取字节数组的操作
*
* @param s String:待处理的字符串
* @return byte[] 形成的字节数组
*/
public static byte[] getBytes(String s) {
return s.getBytes(CHARSET);
}
/**
* 将字节数组转为文本
*
* @param data 字节数组
* @return 文本
*/
public static String bytes2String(byte[] data) {
return new String(data, CHARSET);
}
/**
* 字符串是不是空的
*
* @param str 字符串
* @return 结果
*/
public static boolean isBlank(String str) {
int strLen;
if (str != null && (strLen = str.length()) != 0) {
for (int i = 0; i < strLen; ++i) {
if (!Character.isWhitespace(str.charAt(i))) {
return false;
}
}
return true;
} else {
return true;
}
}
}

182
sf-vertx/src/main/java/examples/HttpProxyExamples.java Normal file
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@ -0,0 +1,182 @@
package examples;
import io.vertx.core.Future;
import io.vertx.core.MultiMap;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.HttpServer;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.core.http.RequestOptions;
import io.vertx.core.net.HostAndPort;
import io.vertx.core.net.SocketAddress;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.HttpProxy;
import io.vertx.httpproxy.ProxyContext;
import io.vertx.httpproxy.ProxyInterceptor;
import io.vertx.httpproxy.ProxyOptions;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import io.vertx.httpproxy.cache.CacheOptions;
/**
* @author <a href="mailto:emad.albloushi@gmail.com">Emad Alblueshi</a>
*/
public class HttpProxyExamples {
public void origin(Vertx vertx) {
HttpServer originServer = vertx.createHttpServer();
originServer.requestHandler(req -> {
req.response()
.putHeader("content-type", "text/html")
.end("<html><body><h1>I'm the target resource!</h1></body></html>");
}).listen(7070);
}
public void proxy(Vertx vertx) {
HttpClient proxyClient = vertx.createHttpClient();
HttpProxy proxy = HttpProxy.reverseProxy(proxyClient);
proxy.origin(7070, "origin");
HttpServer proxyServer = vertx.createHttpServer();
proxyServer.requestHandler(proxy).listen(8080);
}
private SocketAddress resolveOriginAddress(HttpServerRequest request) {
return null;
}
public void originSelector(HttpProxy proxy) {
proxy.originSelector(request -> Future.succeededFuture(resolveOriginAddress(request)));
}
private RequestOptions resolveOriginOptions(HttpServerRequest request) {
return null;
}
public void originRequestProvider(HttpProxy proxy) {
proxy.originRequestProvider((request, client) -> client.request(resolveOriginOptions(request)));
}
public void inboundInterceptor(HttpProxy proxy) {
proxy.addInterceptor(new ProxyInterceptor() {
@Override
public Future<ProxyResponse> handleProxyRequest(ProxyContext context) {
ProxyRequest proxyRequest = context.request();
filter(proxyRequest.headers());
// Continue the interception chain
return context.sendRequest();
}
});
}
public void outboundInterceptor(HttpProxy proxy) {
proxy.addInterceptor(new ProxyInterceptor() {
@Override
public Future<Void> handleProxyResponse(ProxyContext context) {
ProxyResponse proxyResponse = context.response();
filter(proxyResponse.headers());
// Continue the interception chain
return context.sendResponse();
}
});
}
public void bodyFilter(HttpProxy proxy) {
proxy.addInterceptor(new ProxyInterceptor() {
@Override
public Future<Void> handleProxyResponse(ProxyContext context) {
ProxyResponse proxyResponse = context.response();
// Create a filtered body
Body filteredBody = filter(proxyResponse.getBody());
// And then let the response use it
proxyResponse.setBody(filteredBody);
// Continue the interception chain
return context.sendResponse();
}
});
}
public void immediateResponse(HttpProxy proxy) {
proxy.addInterceptor(new ProxyInterceptor() {
@Override
public Future<ProxyResponse> handleProxyRequest(ProxyContext context) {
ProxyRequest proxyRequest = context.request();
// Release the underlying resources
proxyRequest.release();
// Create a response and populate it
ProxyResponse proxyResponse = proxyRequest.response()
.setStatusCode(200)
.putHeader("content-type", "text/plain")
.setBody(Body.body(Buffer.buffer("Hello World")));
return Future.succeededFuture(proxyResponse);
}
});
}
private void filter(MultiMap headers) {
//
}
private Body filter(Body body) {
return body;
}
public void more(Vertx vertx, HttpClient proxyClient) {
HttpProxy proxy = HttpProxy.reverseProxy(proxyClient).originSelector(
address -> Future.succeededFuture(SocketAddress.inetSocketAddress(7070, "origin"))
);
}
public void lowLevel(Vertx vertx, HttpServer proxyServer, HttpClient proxyClient) {
proxyServer.requestHandler(request -> {
ProxyRequest proxyRequest = ProxyRequest.reverseProxy(request);
proxyClient.request(proxyRequest.getMethod(), 8080, "origin", proxyRequest.getURI())
.compose(proxyRequest::send)
.onSuccess(proxyResponse -> {
// Send the proxy response
proxyResponse.send();
})
.onFailure(err -> {
// Release the request
proxyRequest.release();
// Send error
request.response().setStatusCode(500)
.send();
});
});
}
public void overrideAuthority(HttpProxy proxy) {
proxy.addInterceptor(new ProxyInterceptor() {
@Override
public Future<ProxyResponse> handleProxyRequest(ProxyContext context) {
ProxyRequest proxyRequest = context.request();
proxyRequest.setAuthority(HostAndPort.create("example.com", 80));
return ProxyInterceptor.super.handleProxyRequest(context);
}
});
}
public void cacheConfig(Vertx vertx, HttpClient proxyClient) {
HttpProxy proxy = HttpProxy.reverseProxy(new ProxyOptions().setCacheOptions(new CacheOptions()), proxyClient);
}
}

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/**
* @author <a href="mailto:emad.albloushi@gmail.com">Emad Alblueshi</a>
*/
@Source
package examples;
import io.vertx.docgen.Source;

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
import io.vertx.httpproxy.impl.BufferedReadStream;
/**
* Handles the HTTP proxy body.
* <p>
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
@VertxGen
public interface Body {
/**
* Create a new {@code Body} instance.
*
* @param stream the {@code ReadStream} of the body
* @param len the determined length of the body
* @return a reference to this, so the API can be used fluently
*/
static Body body(ReadStream<Buffer> stream, long len) {
return new Body() {
@Override
public long length() {
return len;
}
@Override
public ReadStream<Buffer> stream() {
return stream;
}
};
}
/**
* Create a new {@code Body} instance.
*
* @param stream the {@link ReadStream} of the body
* @return a reference to this, so the API can be used fluently
*/
static Body body(ReadStream<Buffer> stream) {
return body(stream, -1L);
}
/**
* Create a new {@code Body} instance.
*
* @param buffer the {@link Buffer} of the body
* @return a reference to this, so the API can be used fluently
*/
static Body body(Buffer buffer) {
return new Body() {
@Override
public long length() {
return buffer.length();
}
@Override
public ReadStream<Buffer> stream() {
return new BufferedReadStream(buffer);
}
};
}
/**
*
* Get length of the {@code Body}.
*
* @return the body length or {@code -1} if that can't be determined
*/
long length();
/**
*
* Get stream of the {@code Body}.
*
* @return the body stream
*/
ReadStream<Buffer> stream();
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy;
import io.vertx.codegen.annotations.Fluent;
import io.vertx.codegen.annotations.GenIgnore;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.core.http.RequestOptions;
import io.vertx.core.net.SocketAddress;
import io.vertx.ext.web.RoutingContext;
import io.vertx.ext.web.client.WebClient;
import io.vertx.httpproxy.impl.ReverseProxy;
import java.util.function.BiFunction;
import java.util.function.Function;
/**
* Handles the HTTP reverse proxy logic between the <i><b>user agent</b></i> and the <i><b>origin</b></i>.
* <p>
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
@VertxGen
public interface HttpProxy extends Handler<HttpServerRequest> {
/**
* Create a new {@code HttpProxy} instance.
*
* @param client the {@code HttpClient} that forwards <i><b>outbound</b></i> requests to the <i><b>origin</b></i>.
* @return a reference to this, so the API can be used fluently.
*/
static HttpProxy reverseProxy(HttpClient client) {
return new ReverseProxy(new ProxyOptions(), client);
}
/**
* Create a new {@code HttpProxy} instance.
*
* @param client the {@code HttpClient} that forwards <i><b>outbound</b></i> requests to the <i><b>origin</b></i>.
* @return a reference to this, so the API can be used fluently.
*/
static HttpProxy reverseProxy(ProxyOptions options, HttpClient client) {
return new ReverseProxy(options, client);
}
/**
* Set the {@code SocketAddress} of the <i><b>origin</b></i>.
*
* @param address the {@code SocketAddress} of the <i><b>origin</b></i>
* @return a reference to this, so the API can be used fluently
*/
@Fluent
default HttpProxy origin(SocketAddress address) {
return originSelector(req -> Future.succeededFuture(address));
}
/**
* Set the host name and port number of the <i><b>origin</b></i>.
*
* @param port the port number of the <i><b>origin</b></i> server
* @param host the host name of the <i><b>origin</b></i> server
* @return a reference to this, so the API can be used fluently
*/
@Fluent
default HttpProxy origin(int port, String host) {
return origin(SocketAddress.inetSocketAddress(port, host));
}
/**
* Set a selector that resolves the <i><b>origin</b></i> address based on the incoming HTTP request.
*
* @param selector the selector
* @return a reference to this, so the API can be used fluently
*/
@Fluent
default HttpProxy originSelector(Function<HttpServerRequest, Future<SocketAddress>> selector) {
return originRequestProvider((req, client) -> selector
.apply(req)
.flatMap(server -> client.request(new RequestOptions().setServer(server))));
}
/**
* Set a provider that creates the request to the <i><b>origin</b></i> server based the incoming HTTP request.
* Setting a provider overrides any origin selector previously set.
*
* @param provider the provider
* @return a reference to this, so the API can be used fluently
*/
@GenIgnore()
@Fluent
HttpProxy originRequestProvider(BiFunction<HttpServerRequest, HttpClient, Future<HttpClientRequest>> provider);
/**
* Add an interceptor to the interceptor chain.
*
* @param interceptor
* @return a reference to this, so the API can be used fluently
*/
@Fluent
HttpProxy addInterceptor(ProxyInterceptor interceptor);
/**
* Handle the <i><b>outbound</b></i> {@code HttpServerRequest}.
*
* @param request the outbound {@code HttpServerRequest}
*/
void handle(HttpServerRequest request);
void handle(RoutingContext ctx, WebClient mainWebClient);
}

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package io.vertx.httpproxy;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Future;
/**
* A controller for proxy interception.
*/
@VertxGen
public interface ProxyContext {
/**
* @return the proxy request
*/
ProxyRequest request();
/**
* @return the proxy response, it might be {@code null} if the response has not been sent
*/
ProxyResponse response();
/**
*
*/
Future<ProxyResponse> sendRequest();
/**
*
*/
Future<Void> sendResponse();
/**
* Attach a payload to the context
*
* @param name the payload name
* @param value any payload value
*/
void set(String name, Object value);
/**
* Get a payload attached to this context
*
* @param name the payload name
* @param type the expected payload type
* @return the attached payload
*/
<T> T get(String name, Class<T> type);
}

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package io.vertx.httpproxy;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Future;
/**
* A {@link HttpProxy} interceptor.
*/
@VertxGen(concrete = false)
public interface ProxyInterceptor {
/**
* Handle the proxy request at the stage of this interceptor.
*
* @param context the proxy context
* @return when the request has actually been sent to the origin
*/
default Future<ProxyResponse> handleProxyRequest(ProxyContext context) {
return context.sendRequest();
}
/**
* Handle the proxy response at the stage of this interceptor.
*
* @param context the proxy context
* @return when the response has actually been sent to the user-agent
*/
default Future<Void> handleProxyResponse(ProxyContext context) {
return context.sendResponse();
}
}

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package io.vertx.httpproxy;
import io.vertx.codegen.annotations.DataObject;
import io.vertx.codegen.json.annotations.JsonGen;
import io.vertx.core.json.JsonObject;
import io.vertx.httpproxy.cache.CacheOptions;
/**
* Proxy options.
*/
@DataObject
@JsonGen(publicConverter = false)
public class ProxyOptions {
/**
* Enable WebSocket support : {@code true}
*/
public static final boolean DEFAULT_SUPPORT_WEBSOCKET = true;
private CacheOptions cacheOptions;
private boolean supportWebSocket;
public ProxyOptions(JsonObject json) {
ProxyOptionsConverter.fromJson(json, this);
}
public ProxyOptions() {
supportWebSocket = DEFAULT_SUPPORT_WEBSOCKET;
}
/**
* @return the cache options
*/
public CacheOptions getCacheOptions() {
return cacheOptions;
}
/**
* Set the cache options that configures the proxy.
*
* {@code null} cache options disables caching, by default cache is disabled.
*
* @param cacheOptions the cache options
* @return a reference to this, so the API can be used fluently
*/
public ProxyOptions setCacheOptions(CacheOptions cacheOptions) {
this.cacheOptions = cacheOptions;
return this;
}
/**
* @return whether WebSocket are supported
*/
public boolean getSupportWebSocket() {
return supportWebSocket;
}
/**
* Set whether WebSocket are supported.
*
* @param supportWebSocket {@code true} to enable WebSocket support, {@code false} otherwise
* @return a reference to this, so the API can be used fluently
*/
public ProxyOptions setSupportWebSocket(boolean supportWebSocket) {
this.supportWebSocket = supportWebSocket;
return this;
}
@Override
public String toString() {
return toJson().toString();
}
public JsonObject toJson() {
JsonObject json = new JsonObject();
ProxyOptionsConverter.toJson(this, json);
return json;
}
}

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package io.vertx.httpproxy;
import io.vertx.core.json.JsonObject;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.impl.JsonUtil;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.util.Base64;
/**
* Converter and mapper for {@link io.vertx.httpproxy.ProxyOptions}.
* NOTE: This class has been automatically generated from the {@link io.vertx.httpproxy.ProxyOptions} original class using Vert.x codegen.
*/
public class ProxyOptionsConverter {
private static final Base64.Decoder BASE64_DECODER = JsonUtil.BASE64_DECODER;
private static final Base64.Encoder BASE64_ENCODER = JsonUtil.BASE64_ENCODER;
static void fromJson(Iterable<java.util.Map.Entry<String, Object>> json, ProxyOptions obj) {
for (java.util.Map.Entry<String, Object> member : json) {
switch (member.getKey()) {
case "cacheOptions":
if (member.getValue() instanceof JsonObject) {
obj.setCacheOptions(new io.vertx.httpproxy.cache.CacheOptions((io.vertx.core.json.JsonObject)member.getValue()));
}
break;
case "supportWebSocket":
if (member.getValue() instanceof Boolean) {
obj.setSupportWebSocket((Boolean)member.getValue());
}
break;
}
}
}
static void toJson(ProxyOptions obj, JsonObject json) {
toJson(obj, json.getMap());
}
static void toJson(ProxyOptions obj, java.util.Map<String, Object> json) {
if (obj.getCacheOptions() != null) {
json.put("cacheOptions", obj.getCacheOptions().toJson());
}
json.put("supportWebSocket", obj.getSupportWebSocket());
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy;
import io.vertx.codegen.annotations.Fluent;
import io.vertx.codegen.annotations.GenIgnore;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Future;
import io.vertx.core.MultiMap;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.core.http.HttpVersion;
import io.vertx.core.net.HostAndPort;
import io.vertx.httpproxy.impl.ProxiedRequest;
/**
*
* Handles the interoperability of the <b>request</b> between the <i><b>user agent</b></i> and the <i><b>origin</b></i>.
*
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
@VertxGen
public interface ProxyRequest {
/**
* Create a new {@code ProxyRequest} instance, the proxied request will be paused.
*
* @param proxiedRequest the {@code HttpServerRequest} that is proxied
* @return a reference to this, so the API can be used fluently
*/
static ProxyRequest reverseProxy(HttpServerRequest proxiedRequest) {
proxiedRequest.pause();
return new ProxiedRequest(proxiedRequest);
}
/**
* @return the HTTP version of the proxied request
*/
HttpVersion version();
/**
* @return the absolute URI of the proxied request
*/
String absoluteURI();
/**
* @return the HTTP method to be sent to the <i><b>origin</b></i> server.
*/
HttpMethod getMethod();
/**
* Set the HTTP method to be sent to the <i><b>origin</b></i> server.
*
* <p>The initial HTTP method value is the proxied request HTTP method.
*
* @param method the new HTTP method
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyRequest setMethod(HttpMethod method);
/**
* @return the request URI to be sent to the <i><b>origin</b></i> server.
*/
String getURI();
/**
* Set the request URI to be sent to the <i><b>origin</b></i> server.
*
* <p>The initial request URI value is the proxied request URI.
*
* @param uri the new URI
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyRequest setURI(String uri);
/**
* @return the request body to be sent to the <i><b>origin</b></i> server.
*/
Body getBody();
/**
* Set the request body to be sent to the <i><b>origin</b></i> server.
*
* <p>The initial request body value is the proxied request body.
*
* @param body the new body
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyRequest setBody(Body body);
/**
* Set the request authority
*
* <ul>
* <li>for HTTP/1 the {@literal Host} header</li>
* <li>for HTTP/2 the {@literal :authority} pseudo header</li>
* </ul>
*
* The value must follow the {@literal <host>:<port>} syntax.
*
* @param authority the authority
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyRequest setAuthority(HostAndPort authority);
/**
* @return the request authority, for HTTP2 the {@literal :authority} pseudo header otherwise the {@literal Host} header
*/
HostAndPort getAuthority();
/**
* @return the headers that will be sent to the origin server, the returned headers can be modified. The headers
* map is populated with the proxied request headers
*/
MultiMap headers();
/**
* Put an HTTP header
*
* @param name The header name
* @param value The header value
* @return a reference to this, so the API can be used fluently
*/
@GenIgnore
@Fluent
ProxyRequest putHeader(CharSequence name, CharSequence value);
/**
* Proxy this request to the <i><b>origin</b></i> server using the specified {@code request} and then send the proxy response.
*
* @param request the request connected to the <i><b>origin</b></i> server
*/
default Future<Void> proxy(HttpClientRequest request) {
return send(request).flatMap(resp -> resp.send());
}
/**
* Send this request to the <i><b>origin</b></i> server using the specified {@code request}.
*
* <p> The returned future will be completed with the proxy response returned by the <i><b>origin</b></i>.
*
* @param request the request connected to the <i><b>origin</b></i> server
*/
Future<ProxyResponse> send(HttpClientRequest request);
/**
* Release the proxy request and its associated resources
*
* <p> The HTTP server request is resumed, no HTTP server response is sent.
*
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyRequest release();
/**
* @return the proxied HTTP server request
*/
HttpServerRequest proxiedRequest();
/**
* Create and return the proxy response.
*
* @return the proxy response
*/
ProxyResponse response();
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy;
import io.vertx.codegen.annotations.Fluent;
import io.vertx.codegen.annotations.GenIgnore;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Future;
import io.vertx.core.MultiMap;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
import java.util.function.Function;
/**
*
* Handles the interoperability of the <b>response</b> between the <i><b>origin</b></i> and the <i><b>user agent</b></i>.
*
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
@VertxGen
public interface ProxyResponse {
/**
*
* Return the corresponding {@code ProxyRequest}.
*
* @return the proxy request
*/
ProxyRequest request();
/**
* Get the status code.
*
* @return the status code to be sent to the <i><b>user agent</b></i>
*/
int getStatusCode();
/**
* Set the status code to be sent to the <i><b>user agent</b></i>.
*
* <p> The initial value is the proxied response status code.
*
* @param sc the status code
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyResponse setStatusCode(int sc);
/**
* Get the status message.
*
* @return the status message to be sent to the <i><b>user agent</b></i>
*/
String getStatusMessage();
/**
* Set the status message to be sent to the <i><b>user agent</b></i>.
*
* <p> The initial value is the proxied response status message.
*
* @param statusMessage the status message
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyResponse setStatusMessage(String statusMessage);
/**
* @return the headers that will be sent to the <i><b>user agent</b></i>, the returned headers can be modified. The headers
* map is populated with the proxied response headers
*/
MultiMap headers();
/**
* Put an HTTP header.
*
* @param name The header name
* @param value The header value
* @return a reference to this, so the API can be used fluently
*/
@GenIgnore
@Fluent
ProxyResponse putHeader(CharSequence name, CharSequence value);
/**
* Get the body of the response.
*
* @return the response body to be sent to the <i><b>user agent</b></i>
*/
Body getBody();
/**
* Set the request body to be sent to the <i><b>user agent</b></i>.
*
* <p>The initial request body value is the proxied response body.
*
* @param body the new body
* @return a reference to this, so the API can be used fluently
*/
@Fluent
ProxyResponse setBody(Body body);
boolean publicCacheControl();
long maxAge();
/**
* @return the {@code etag} sent by the <i><b>origin</b></i> response
*/
String etag();
/**
* Send the proxies response to the <i><b>user agent</b></i>.
*/
Future<Void> send();
/**
* Release the proxy response.
*
* <p> The proxied response is resumed, no HTTP response is sent to the <i><b>user-agent</b></i>
*/
@Fluent
ProxyResponse release();
}

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sf-vertx/src/main/java/io/vertx/httpproxy/cache/CacheOptions.java vendored Normal file
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package io.vertx.httpproxy.cache;
import io.vertx.codegen.annotations.DataObject;
import io.vertx.codegen.json.annotations.JsonGen;
import io.vertx.core.impl.Arguments;
import io.vertx.core.json.JsonObject;
import io.vertx.httpproxy.impl.CacheImpl;
import io.vertx.httpproxy.spi.cache.Cache;
/**
* Cache options.
*/
@DataObject
@JsonGen(publicConverter = false)
public class CacheOptions {
public static final int DEFAULT_MAX_SIZE = 1000;
private int maxSize = DEFAULT_MAX_SIZE;
public CacheOptions() {
}
public CacheOptions(JsonObject json) {
CacheOptionsConverter.fromJson(json, this);
}
/**
* @return the max number of entries the cache can hold
*/
public int getMaxSize() {
return maxSize;
}
/**
* Set the max number of entries the cache can hold.
*
* @param maxSize the max size
* @return a reference to this, so the API can be used fluently
*/
public CacheOptions setMaxSize(int maxSize) {
Arguments.require(maxSize > 0, "Max size must be > 0");
this.maxSize = maxSize;
return this;
}
public <K, V> Cache<K, V> newCache() {
return new CacheImpl<>(this);
}
@Override
public String toString() {
return toJson().toString();
}
public JsonObject toJson() {
JsonObject json = new JsonObject();
CacheOptionsConverter.toJson(this, json);
return json;
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/cache/CacheOptionsConverter.java vendored Normal file
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package io.vertx.httpproxy.cache;
import io.vertx.core.json.JsonObject;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.impl.JsonUtil;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.util.Base64;
/**
* Converter and mapper for {@link io.vertx.httpproxy.cache.CacheOptions}.
* NOTE: This class has been automatically generated from the {@link io.vertx.httpproxy.cache.CacheOptions} original class using Vert.x codegen.
*/
public class CacheOptionsConverter {
private static final Base64.Decoder BASE64_DECODER = JsonUtil.BASE64_DECODER;
private static final Base64.Encoder BASE64_ENCODER = JsonUtil.BASE64_ENCODER;
static void fromJson(Iterable<java.util.Map.Entry<String, Object>> json, CacheOptions obj) {
for (java.util.Map.Entry<String, Object> member : json) {
switch (member.getKey()) {
case "maxSize":
if (member.getValue() instanceof Number) {
obj.setMaxSize(((Number)member.getValue()).intValue());
}
break;
}
}
}
static void toJson(CacheOptions obj, JsonObject json) {
toJson(obj, json.getMap());
}
static void toJson(CacheOptions obj, java.util.Map<String, Object> json) {
json.put("maxSize", obj.getMaxSize());
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.Handler;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
public class BufferedReadStream implements ReadStream<Buffer> {
private long demand = 0L;
private Handler<Void> endHandler;
private Handler<Buffer> handler;
private boolean ended = false;
private final Buffer content;
public BufferedReadStream() {
this.content = Buffer.buffer();
}
public BufferedReadStream(Buffer content) {
this.content = content;
}
@Override
public ReadStream<Buffer> exceptionHandler(Handler<Throwable> handler) {
return this;
}
@Override
public ReadStream<Buffer> handler(Handler<Buffer> handler) {
this.handler = handler;
return this;
}
@Override
public ReadStream<Buffer> pause() {
demand = 0L;
return this;
}
@Override
public ReadStream<Buffer> resume() {
fetch(Long.MAX_VALUE);
return this;
}
@Override
public ReadStream<Buffer> fetch(long amount) {
if (!ended && amount > 0) {
ended = true;
demand += amount;
if (demand < 0L) {
demand = Long.MAX_VALUE;
}
if (demand != Long.MAX_VALUE) {
demand--;
}
if (handler != null && content.length() > 0) {
handler.handle(content);
}
if (endHandler != null) {
endHandler.handle(null);
}
}
return this;
}
@Override
public ReadStream<Buffer> endHandler(Handler<Void> endHandler) {
this.endHandler = endHandler;
return this;
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.Handler;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
class BufferingReadStream implements ReadStream<Buffer> {
private final ReadStream<Buffer> stream;
private final Buffer content;
private Handler<Void> endHandler;
public BufferingReadStream(ReadStream<Buffer> stream, Buffer content) {
this.stream = stream;
this.content = content;
}
@Override
public ReadStream<Buffer> exceptionHandler(Handler<Throwable> handler) {
stream.exceptionHandler(handler);
return this;
}
@Override
public ReadStream<Buffer> handler(Handler<Buffer> handler) {
if (handler != null) {
stream.handler(buff -> {
content.appendBuffer(buff);
handler.handle(buff);
});
} else {
stream.handler(null);
}
return this;
}
@Override
public ReadStream<Buffer> pause() {
stream.pause();
return this;
}
@Override
public ReadStream<Buffer> resume() {
stream.resume();
return this;
}
@Override
public ReadStream<Buffer> fetch(long amount) {
stream.fetch(amount);
return this;
}
@Override
public ReadStream<Buffer> endHandler(Handler<Void> endHandler) {
if (endHandler != null) {
stream.endHandler(v -> {
endHandler.handle(null);
});
} else {
stream.endHandler(null);
}
return this;
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.codegen.annotations.Nullable;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
import io.vertx.core.streams.WriteStream;
class BufferingWriteStream implements WriteStream<Buffer> {
private final Buffer content;
public BufferingWriteStream() {
this.content = Buffer.buffer();
}
public Buffer content() {
return content;
}
@Override
public WriteStream<Buffer> exceptionHandler(Handler<Throwable> handler) {
return this;
}
@Override
public Future<Void> write(Buffer data) {
content.appendBuffer(data);
return Future.succeededFuture();
}
@Override
public void write(Buffer data, Handler<AsyncResult<Void>> handler) {
content.appendBuffer(data);
handler.handle(Future.succeededFuture());
}
@Override
public void end(Handler<AsyncResult<Void>> handler) {
handler.handle(Future.succeededFuture());
}
@Override
public WriteStream<Buffer> setWriteQueueMaxSize(int maxSize) {
return this;
}
@Override
public boolean writeQueueFull() {
return false;
}
@Override
public WriteStream<Buffer> drainHandler(@Nullable Handler<Void> handler) {
return this;
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/CacheControl.java Normal file
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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
/**
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
public class CacheControl {
private int maxAge;
private boolean _public;
public CacheControl parse(String header) {
maxAge = -1;
_public = false;
String[] parts = header.split(","); // No regex
for (String part : parts) {
part = part.trim().toLowerCase();
switch (part) {
case "public":
_public = true;
break;
default:
if (part.startsWith("max-age=")) {
maxAge = Integer.parseInt(part.substring(8));
}
break;
}
}
return this;
}
public int maxAge() {
return maxAge;
}
public boolean isPublic() {
return _public;
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/CacheImpl.java Normal file
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package io.vertx.httpproxy.impl;
import io.vertx.httpproxy.cache.CacheOptions;
import io.vertx.httpproxy.spi.cache.Cache;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Simplistic implementation.
*/
public class CacheImpl<K, V> extends LinkedHashMap<K, V> implements Cache<K, V> {
private final int maxSize;
public CacheImpl(CacheOptions options) {
this.maxSize = options.getMaxSize();
}
protected boolean removeEldestEntry(Map.Entry eldest) {
return size() > maxSize;
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/CachingFilter.java Normal file
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package io.vertx.httpproxy.impl;
import io.vertx.core.Future;
import io.vertx.core.http.HttpHeaders;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.ProxyContext;
import io.vertx.httpproxy.ProxyInterceptor;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import io.vertx.httpproxy.spi.cache.Cache;
import java.time.Instant;
import java.util.function.BiFunction;
class CachingFilter implements ProxyInterceptor {
private static final BiFunction<String, Resource, Resource> CACHE_GET_AND_VALIDATE = (key, resource) -> {
long now = System.currentTimeMillis();
long val = resource.timestamp + resource.maxAge;
return val < now ? null : resource;
};
private final Cache<String, Resource> cache;
public CachingFilter(Cache<String, Resource> cache) {
this.cache = cache;
}
@Override
public Future<ProxyResponse> handleProxyRequest(ProxyContext context) {
Future<ProxyResponse> future = tryHandleProxyRequestFromCache(context);
if (future != null) {
return future;
}
return context.sendRequest();
}
@Override
public Future<Void> handleProxyResponse(ProxyContext context) {
return sendAndTryCacheProxyResponse(context);
}
private Future<Void> sendAndTryCacheProxyResponse(ProxyContext context) {
ProxyResponse response = context.response();
Resource cached = context.get("cached_resource", Resource.class);
if (cached != null && response.getStatusCode() == 304) {
// Warning: this relies on the fact that HttpServerRequest will not send a body for HEAD
response.release();
cached.init(response);
return context.sendResponse();
}
ProxyRequest request = response.request();
if (response.publicCacheControl() && response.maxAge() > 0) {
if (request.getMethod() == HttpMethod.GET) {
String absoluteUri = request.absoluteURI();
Resource res = new Resource(
absoluteUri,
response.getStatusCode(),
response.getStatusMessage(),
response.headers(),
System.currentTimeMillis(),
response.maxAge());
Body body = response.getBody();
response.setBody(Body.body(new BufferingReadStream(body.stream(), res.content), body.length()));
Future<Void> fut = context.sendResponse();
fut.onSuccess(v -> {
cache.put(absoluteUri, res);
});
return fut;
} else {
if (request.getMethod() == HttpMethod.HEAD) {
Resource resource = cache.get(request.absoluteURI());
if (resource != null) {
if (!revalidateResource(response, resource)) {
// Invalidate cache
cache.remove(request.absoluteURI());
}
}
}
return context.sendResponse();
}
} else {
return context.sendResponse();
}
}
private static boolean revalidateResource(ProxyResponse response, Resource resource) {
if (resource.etag != null && response.etag() != null) {
return resource.etag.equals(response.etag());
}
return true;
}
private Future<ProxyResponse> tryHandleProxyRequestFromCache(ProxyContext context) {
ProxyRequest proxyRequest = context.request();
HttpServerRequest response = proxyRequest.proxiedRequest();
Resource resource;
HttpMethod method = response.method();
if (method == HttpMethod.GET || method == HttpMethod.HEAD) {
String cacheKey = proxyRequest.absoluteURI();
resource = cache.computeIfPresent(cacheKey, CACHE_GET_AND_VALIDATE);
if (resource == null) {
return null;
}
} else {
return null;
}
String cacheControlHeader = response.getHeader(HttpHeaders.CACHE_CONTROL);
if (cacheControlHeader != null) {
CacheControl cacheControl = new CacheControl().parse(cacheControlHeader);
if (cacheControl.maxAge() >= 0) {
long now = System.currentTimeMillis();
long currentAge = now - resource.timestamp;
if (currentAge > cacheControl.maxAge() * 1000) {
String etag = resource.headers.get(HttpHeaders.ETAG);
if (etag != null) {
proxyRequest.headers().set(HttpHeaders.IF_NONE_MATCH, resource.etag);
context.set("cached_resource", resource);
return context.sendRequest();
} else {
return null;
}
}
}
}
//
String ifModifiedSinceHeader = response.getHeader(HttpHeaders.IF_MODIFIED_SINCE);
if ((response.method() == HttpMethod.GET || response.method() == HttpMethod.HEAD) && ifModifiedSinceHeader != null && resource.lastModified != null) {
Instant ifModifiedSince = ParseUtils.parseHeaderDate(ifModifiedSinceHeader);
if (!ifModifiedSince.isAfter(resource.lastModified)) {
response.response().setStatusCode(304).end();
return Future.succeededFuture();
}
}
proxyRequest.release();
ProxyResponse proxyResponse = proxyRequest.response();
resource.init(proxyResponse);
return Future.succeededFuture(proxyResponse);
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/HttpUtils.java Normal file
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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.MultiMap;
import io.vertx.core.http.HttpHeaders;
import java.time.Instant;
import java.util.List;
class HttpUtils {
static Boolean isChunked(MultiMap headers) {
List<String> te = headers.getAll("transfer-encoding");
if (te != null) {
boolean chunked = false;
for (String val : te) {
if (val.equals("chunked")) {
chunked = true;
} else {
return null;
}
}
return chunked;
} else {
return false;
}
}
static Instant dateHeader(MultiMap headers) {
String dateHeader = headers.get(HttpHeaders.DATE);
if (dateHeader == null) {
List<String> warningHeaders = headers.getAll("warning");
if (warningHeaders.size() > 0) {
for (String warningHeader : warningHeaders) {
Instant date = ParseUtils.parseWarningHeaderDate(warningHeader);
if (date != null) {
return date;
}
}
}
return null;
} else {
return ParseUtils.parseHeaderDate(dateHeader);
}
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/ParseUtils.java Normal file
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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.util.*;
/**
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
public class ParseUtils {
public static final DateTimeFormatter RFC_850_DATE_TIME = new DateTimeFormatterBuilder()
.appendPattern("EEEE, dd-MMM-yy HH:mm:ss")
.parseLenient()
.appendLiteral(" GMT")
.toFormatter(Locale.US)
.withZone(ZoneId.of("UTC"));
public static final DateTimeFormatter ASC_TIME = new DateTimeFormatterBuilder()
.appendPattern("EEE MMM d HH:mm:ss yyyy")
.parseLenient()
.toFormatter(Locale.US)
.withZone(ZoneId.of("UTC"));
public static Instant parseHeaderDate(String value) {
try {
return parseHttpDate(value);
} catch (Exception e) {
return null;
}
}
public static Instant parseWarningHeaderDate(String value) {
// warn-code
int index = value.indexOf(' ');
if (index > 0) {
// warn-agent
index = value.indexOf(' ', index + 1);
if (index > 0) {
// warn-text
index = value.indexOf(' ', index + 1);
if (index > 0) {
// warn-date
int len = value.length();
if (index + 2 < len && value.charAt(index + 1) == '"' && value.charAt(len - 1) == '"') {
// Space for 2 double quotes
return parseHeaderDate(value.substring(index + 2, len - 1));
}
}
}
}
return null;
}
public static String formatHttpDate(Instant date) {
return DateTimeFormatter.RFC_1123_DATE_TIME.format(OffsetDateTime.ofInstant(date, ZoneOffset.UTC));
}
// https://www.rfc-editor.org/rfc/rfc9110#http.date
public static Instant parseHttpDate(String value) throws Exception {
int pos = value.indexOf(',');
if (pos == 3) { // e.g. Sun, 06 Nov 1994 08:49:37 GMT
return DateTimeFormatter.RFC_1123_DATE_TIME.parse(value, Instant::from);
}
if (pos == -1) { // e.g. Sun Nov 6 08:49:37 1994
return ASC_TIME.parse(value, Instant::from);
}
return RFC_850_DATE_TIME.parse(value, Instant::from); // e.g. Sunday, 06-Nov-94 08:49:37 GMT
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/impl/ProxiedRequest.java Normal file
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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.MultiMap;
import io.vertx.core.Promise;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpHeaders;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.core.http.HttpVersion;
import io.vertx.core.http.impl.HttpServerRequestInternal;
import io.vertx.core.impl.ContextInternal;
import io.vertx.core.net.HostAndPort;
import io.vertx.core.streams.Pipe;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import java.util.Map;
import java.util.Objects;
public class ProxiedRequest implements ProxyRequest {
private static final CharSequence X_FORWARDED_HOST = HttpHeaders.createOptimized("x-forwarded-host");
private static final MultiMap HOP_BY_HOP_HEADERS = MultiMap.caseInsensitiveMultiMap()
.add(HttpHeaders.CONNECTION, "whatever")
.add(HttpHeaders.KEEP_ALIVE, "whatever")
.add(HttpHeaders.PROXY_AUTHENTICATE, "whatever")
.add(HttpHeaders.PROXY_AUTHORIZATION, "whatever")
.add("te", "whatever")
.add("trailer", "whatever")
.add(HttpHeaders.TRANSFER_ENCODING, "whatever")
.add(HttpHeaders.UPGRADE, "whatever");
final ContextInternal context;
private HttpMethod method;
private final HttpVersion version;
private String uri;
private final String absoluteURI;
private Body body;
private HostAndPort authority;
private final MultiMap headers;
HttpClientRequest request;
private final HttpServerRequest proxiedRequest;
public ProxiedRequest(HttpServerRequest proxiedRequest) {
// Determine content length
long contentLength = -1L;
String contentLengthHeader = proxiedRequest.getHeader(HttpHeaders.CONTENT_LENGTH);
if (contentLengthHeader != null) {
try {
contentLength = Long.parseLong(contentLengthHeader);
} catch (NumberFormatException e) {
// Ignore ???
}
}
this.method = proxiedRequest.method();
this.version = proxiedRequest.version();
this.body = Body.body(proxiedRequest, contentLength);
this.uri = proxiedRequest.uri();
this.headers = MultiMap.caseInsensitiveMultiMap().addAll(proxiedRequest.headers());
this.absoluteURI = proxiedRequest.absoluteURI();
this.proxiedRequest = proxiedRequest;
this.context = (ContextInternal) ((HttpServerRequestInternal) proxiedRequest).context();
this.authority = proxiedRequest.authority();
}
@Override
public HttpVersion version() {
return version;
}
@Override
public String getURI() {
return uri;
}
@Override
public ProxyRequest setURI(String uri) {
this.uri = uri;
return this;
}
@Override
public Body getBody() {
return body;
}
@Override
public ProxyRequest setBody(Body body) {
this.body = body;
return this;
}
@Override
public ProxyRequest setAuthority(HostAndPort authority) {
Objects.requireNonNull(authority);
this.authority= authority;
return this;
}
@Override
public HostAndPort getAuthority() {
return authority;
}
@Override
public String absoluteURI() {
return absoluteURI;
}
@Override
public HttpMethod getMethod() {
return method;
}
@Override
public ProxyRequest setMethod(HttpMethod method) {
this.method = method;
return this;
}
@Override
public HttpServerRequest proxiedRequest() {
return proxiedRequest;
}
@Override
public ProxyRequest release() {
body.stream().resume();
headers.clear();
body = null;
return this;
}
@Override
public ProxyResponse response() {
return new ProxiedResponse(this, proxiedRequest.response());
}
void sendRequest(Handler<AsyncResult<ProxyResponse>> responseHandler) {
request.response().<ProxyResponse>map(r -> {
r.pause(); // Pause it
return new ProxiedResponse(this, proxiedRequest.response(), r);
}).onComplete(responseHandler);
request.setMethod(method);
request.setURI(uri);
// Add all headers
for (Map.Entry<String, String> header : headers) {
String name = header.getKey();
String value = header.getValue();
if (!HOP_BY_HOP_HEADERS.contains(name) && !name.equals("host")) {
request.headers().add(name, value);
}
}
//
if (authority != null) {
request.authority(authority);
HostAndPort proxiedAuthority = proxiedRequest.authority();
if (!equals(authority, proxiedAuthority)) {
// Should cope with existing forwarded host headers
request.putHeader(X_FORWARDED_HOST, proxiedAuthority.toString());
}
}
long len = body.length();
if (len >= 0) {
request.putHeader(HttpHeaders.CONTENT_LENGTH, Long.toString(len));
} else {
Boolean isChunked = HttpUtils.isChunked(proxiedRequest.headers());
request.setChunked(len == -1 && Boolean.TRUE == isChunked);
}
Pipe<Buffer> pipe = body.stream().pipe();
pipe.endOnComplete(true);
pipe.endOnFailure(false);
pipe.to(request, ar -> {
if (ar.failed()) {
request.reset();
}
});
}
private static boolean equals(HostAndPort hp1, HostAndPort hp2) {
if (hp1 == null || hp2 == null) {
return false;
}
return hp1.host().equals(hp2.host()) && hp1.port() == hp2.port();
}
@Override
public ProxyRequest putHeader(CharSequence name, CharSequence value) {
headers.set(name, value);
return this;
}
@Override
public MultiMap headers() {
return headers;
}
@Override
public Future<ProxyResponse> send(HttpClientRequest request) {
Promise<ProxyResponse> promise = context.promise();
this.request = request;
sendRequest(promise);
return promise.future();
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.MultiMap;
import io.vertx.core.Promise;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClientResponse;
import io.vertx.core.http.HttpHeaders;
import io.vertx.core.http.HttpServerResponse;
import io.vertx.core.http.HttpVersion;
import io.vertx.core.streams.Pipe;
import io.vertx.core.streams.ReadStream;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class ProxiedResponse implements ProxyResponse {
private final ProxiedRequest request;
private final HttpServerResponse proxiedResponse;
private int statusCode;
private String statusMessage;
private Body body;
private final MultiMap headers;
private HttpClientResponse response;
private long maxAge;
private String etag;
private boolean publicCacheControl;
ProxiedResponse(ProxiedRequest request, HttpServerResponse proxiedResponse) {
this.response = null;
this.statusCode = 200;
this.headers = MultiMap.caseInsensitiveMultiMap();
this.request = request;
this.proxiedResponse = proxiedResponse;
}
ProxiedResponse(ProxiedRequest request, HttpServerResponse proxiedResponse, HttpClientResponse response) {
// Determine content length
long contentLength = -1L;
String contentLengthHeader = response.getHeader(HttpHeaders.CONTENT_LENGTH);
if (contentLengthHeader != null) {
try {
contentLength = Long.parseLong(contentLengthHeader);
} catch (NumberFormatException e) {
// Ignore ???
}
}
this.request = request;
this.response = response;
this.proxiedResponse = proxiedResponse;
this.statusCode = response.statusCode();
this.statusMessage = response.statusMessage();
this.body = Body.body(response, contentLength);
long maxAge = -1;
boolean publicCacheControl = false;
String cacheControlHeader = response.getHeader(HttpHeaders.CACHE_CONTROL);
if (cacheControlHeader != null) {
CacheControl cacheControl = new CacheControl().parse(cacheControlHeader);
if (cacheControl.isPublic()) {
publicCacheControl = true;
if (cacheControl.maxAge() > 0) {
maxAge = (long)cacheControl.maxAge() * 1000;
} else {
String dateHeader = response.getHeader(HttpHeaders.DATE);
String expiresHeader = response.getHeader(HttpHeaders.EXPIRES);
if (dateHeader != null && expiresHeader != null) {
maxAge = ParseUtils.parseHeaderDate(expiresHeader).toEpochMilli() - ParseUtils.parseHeaderDate(dateHeader).toEpochMilli();
}
}
}
}
this.maxAge = maxAge;
this.publicCacheControl = publicCacheControl;
this.etag = response.getHeader(HttpHeaders.ETAG);
this.headers = MultiMap.caseInsensitiveMultiMap().addAll(response.headers());
}
@Override
public ProxyRequest request() {
return request;
}
@Override
public int getStatusCode() {
return statusCode;
}
@Override
public ProxyResponse setStatusCode(int sc) {
statusCode = sc;
return this;
}
@Override
public String getStatusMessage() {
return statusMessage;
}
@Override
public ProxyResponse setStatusMessage(String statusMessage) {
this.statusMessage = statusMessage;
return this;
}
@Override
public Body getBody() {
return body;
}
@Override
public ProxyResponse setBody(Body body) {
this.body = body;
return this;
}
@Override
public boolean publicCacheControl() {
return publicCacheControl;
}
@Override
public long maxAge() {
return maxAge;
}
@Override
public String etag() {
return etag;
}
@Override
public MultiMap headers() {
return headers;
}
@Override
public ProxyResponse putHeader(CharSequence name, CharSequence value) {
headers.set(name, value);
return this;
}
@Override
public Future<Void> send() {
Promise<Void> promise = request.context.promise();
send(promise);
return promise.future();
}
public void send(Handler<AsyncResult<Void>> completionHandler) {
// Set stuff
proxiedResponse.setStatusCode(statusCode);
if(statusMessage != null) {
proxiedResponse.setStatusMessage(statusMessage);
}
// Date header
Instant date = HttpUtils.dateHeader(headers);
if (date == null) {
date = Instant.now();
}
try {
proxiedResponse.putHeader("date", ParseUtils.formatHttpDate(date));
} catch (Exception e) {
e.printStackTrace();
}
// Warning header
List<String> warningHeaders = headers.getAll("warning");
if (warningHeaders.size() > 0) {
warningHeaders = new ArrayList<>(warningHeaders);
String dateHeader = headers.get("date");
Instant dateInstant = dateHeader != null ? ParseUtils.parseHeaderDate(dateHeader) : null;
Iterator<String> i = warningHeaders.iterator();
// Suppress incorrect warning header
while (i.hasNext()) {
String warningHeader = i.next();
Instant warningInstant = ParseUtils.parseWarningHeaderDate(warningHeader);
if (warningInstant != null && dateInstant != null && !warningInstant.equals(dateInstant)) {
i.remove();
}
}
}
proxiedResponse.putHeader("warning", warningHeaders);
// Handle other headers
headers.forEach(header -> {
String name = header.getKey();
String value = header.getValue();
if (name.equalsIgnoreCase("date") || name.equalsIgnoreCase("warning") || name.equalsIgnoreCase("transfer-encoding")) {
// Skip
} else {
proxiedResponse.headers().add(name, value);
}
});
//
if (body == null) {
proxiedResponse.end();
return;
}
long len = body.length();
if (len >= 0) {
proxiedResponse.putHeader(HttpHeaders.CONTENT_LENGTH, Long.toString(len));
} else {
if (request.proxiedRequest().version() == HttpVersion.HTTP_1_0) {
// Special handling for HTTP 1.0 clients that cannot handle chunked encoding
// we need to buffer the content
BufferingWriteStream buffer = new BufferingWriteStream();
body.stream().pipeTo(buffer, ar -> {
if (ar.succeeded()) {
Buffer content = buffer.content();
proxiedResponse.end(content, completionHandler);
} else {
System.out.println("Not implemented");
}
});
return;
}
proxiedResponse.setChunked(true);
}
ReadStream<Buffer> bodyStream = body.stream();
sendResponse(bodyStream, completionHandler);
}
@Override
public ProxyResponse release() {
if (response != null) {
response.resume();
response = null;
body = null;
headers.clear();
}
return this;
}
private void sendResponse(ReadStream<Buffer> body, Handler<AsyncResult<Void>> completionHandler) {
Pipe<Buffer> pipe = body.pipe();
pipe.endOnSuccess(true);
pipe.endOnFailure(false);
pipe.to(proxiedResponse, ar -> {
if (ar.failed()) {
request.request.reset();
proxiedResponse.reset();
}
completionHandler.handle(ar);
});
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import io.vertx.core.MultiMap;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpHeaders;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.ProxyResponse;
import java.time.Instant;
class Resource {
final String absoluteUri;
final int statusCode;
final String statusMessage;
final MultiMap headers;
final long timestamp;
final long maxAge;
final Instant lastModified;
final String etag;
final Buffer content = Buffer.buffer();
Resource(String absoluteUri, int statusCode, String statusMessage, MultiMap headers, long timestamp, long maxAge) {
String lastModifiedHeader = headers.get(HttpHeaders.LAST_MODIFIED);
this.absoluteUri = absoluteUri;
this.statusCode = statusCode;
this.statusMessage = statusMessage;
this.headers = headers;
this.timestamp = timestamp;
this.maxAge = maxAge;
this.lastModified = lastModifiedHeader != null ? ParseUtils.parseHeaderDate(lastModifiedHeader) : null;
this.etag = headers.get(HttpHeaders.ETAG);
}
void init(ProxyResponse proxyResponse) {
proxyResponse.setStatusCode(200);
proxyResponse.setStatusMessage(statusMessage);
proxyResponse.headers().addAll(headers);
proxyResponse.setBody(Body.body(content));
}
}

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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.httpproxy.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.function.BiFunction;
import org.apache.commons.lang3.StringUtils;
import com.sf.vertx.init.DynamicBuildServer;
import com.sf.vertx.security.MainSecurity;
import com.sf.vertx.service.impl.AppConfigServiceImpl;
import io.vertx.core.Future;
import io.vertx.core.Promise;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpClientResponse;
import io.vertx.core.http.HttpHeaders;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServerRequest;
import io.vertx.core.http.HttpServerResponse;
import io.vertx.core.json.JsonObject;
import io.vertx.core.net.NetSocket;
import io.vertx.ext.web.RoutingContext;
import io.vertx.ext.web.client.WebClient;
import io.vertx.httpproxy.Body;
import io.vertx.httpproxy.HttpProxy;
import io.vertx.httpproxy.ProxyContext;
import io.vertx.httpproxy.ProxyInterceptor;
import io.vertx.httpproxy.ProxyOptions;
import io.vertx.httpproxy.ProxyRequest;
import io.vertx.httpproxy.ProxyResponse;
import io.vertx.httpproxy.cache.CacheOptions;
import io.vertx.httpproxy.spi.cache.Cache;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class ReverseProxy implements HttpProxy {
private final HttpClient client;
private final boolean supportWebSocket;
private BiFunction<HttpServerRequest, HttpClient, Future<HttpClientRequest>> selector = (req, client) -> Future
.failedFuture("No origin available");
private final List<ProxyInterceptor> interceptors = new ArrayList<>();
private RoutingContext ctx;
private WebClient mainWebClient;
public ReverseProxy(ProxyOptions options, HttpClient client) {
CacheOptions cacheOptions = options.getCacheOptions();
if (cacheOptions != null) {
Cache<String, Resource> cache = cacheOptions.newCache();
addInterceptor(new CachingFilter(cache));
}
this.client = client;
this.supportWebSocket = options.getSupportWebSocket();
}
@Override
public HttpProxy originRequestProvider(
BiFunction<HttpServerRequest, HttpClient, Future<HttpClientRequest>> provider) {
selector = provider;
return this;
}
@Override
public HttpProxy addInterceptor(ProxyInterceptor interceptor) {
interceptors.add(interceptor);
return this;
}
@Override
public void handle(RoutingContext ctx, WebClient mainWebClient) {
// TODO 改造了这个地方
this.ctx = ctx;
this.mainWebClient = mainWebClient;
handle(ctx.request());
}
@Override
public void handle(HttpServerRequest request) {
ProxyRequest proxyRequest = ProxyRequest.reverseProxy(request);
// Encoding sanity check
Boolean chunked = HttpUtils.isChunked(request.headers());
if (chunked == null) {
end(proxyRequest, 400);
return;
}
// WebSocket upgrade tunneling
if (supportWebSocket && io.vertx.core.http.impl.HttpUtils.canUpgradeToWebSocket(request)) {
handleWebSocketUpgrade(proxyRequest);
return;
}
Proxy proxy = new Proxy(proxyRequest);
proxy.filters = interceptors.listIterator();
proxy.sendRequest().compose(proxy::sendProxyResponse);
}
private void handleWebSocketUpgrade(ProxyRequest proxyRequest) {
HttpServerRequest proxiedRequest = proxyRequest.proxiedRequest();
resolveOrigin(proxiedRequest).onComplete(ar -> {
if (ar.succeeded()) {
HttpClientRequest request = ar.result();
request.setMethod(HttpMethod.GET);
request.setURI(proxiedRequest.uri());
request.headers().addAll(proxiedRequest.headers());
Future<HttpClientResponse> fut2 = request.connect();
proxiedRequest.handler(request::write);
proxiedRequest.endHandler(v -> request.end());
proxiedRequest.resume();
fut2.onComplete(ar2 -> {
if (ar2.succeeded()) {
HttpClientResponse proxiedResponse = ar2.result();
if (proxiedResponse.statusCode() == 101) {
HttpServerResponse response = proxiedRequest.response();
response.setStatusCode(101);
response.headers().addAll(proxiedResponse.headers());
Future<NetSocket> otherso = proxiedRequest.toNetSocket();
otherso.onComplete(ar3 -> {
if (ar3.succeeded()) {
NetSocket responseSocket = ar3.result();
NetSocket proxyResponseSocket = proxiedResponse.netSocket();
responseSocket.handler(proxyResponseSocket::write);
proxyResponseSocket.handler(responseSocket::write);
responseSocket.closeHandler(v -> proxyResponseSocket.close());
proxyResponseSocket.closeHandler(v -> responseSocket.close());
} else {
// Find reproducer
System.err.println("Handle this case");
ar3.cause().printStackTrace();
}
});
} else {
// Rejection
proxiedRequest.resume();
end(proxyRequest, proxiedResponse.statusCode());
}
} else {
proxiedRequest.resume();
end(proxyRequest, 502);
}
});
} else {
proxiedRequest.resume();
end(proxyRequest, 502);
}
});
}
private void end(ProxyRequest proxyRequest, int sc) {
proxyRequest.response().release().setStatusCode(sc).putHeader(HttpHeaders.CONTENT_LENGTH, "0").setBody(null)
.send();
}
private Future<HttpClientRequest> resolveOrigin(HttpServerRequest proxiedRequest) {
return selector.apply(proxiedRequest, client);
}
private class Proxy implements ProxyContext {
private final ProxyRequest request;
private ProxyResponse response;
private final Map<String, Object> attachments = new HashMap<>();
private ListIterator<ProxyInterceptor> filters;
private Proxy(ProxyRequest request) {
this.request = request;
}
@Override
public void set(String name, Object value) {
attachments.put(name, value);
}
@Override
public <T> T get(String name, Class<T> type) {
Object o = attachments.get(name);
return type.isInstance(o) ? type.cast(o) : null;
}
@Override
public ProxyRequest request() {
return request;
}
@Override
public Future<ProxyResponse> sendRequest() {
if (filters.hasNext()) {
ProxyInterceptor next = filters.next();
return next.handleProxyRequest(this);
} else {
return sendProxyRequest(request);
}
}
@Override
public ProxyResponse response() {
return response;
}
@Override
public Future<Void> sendResponse() {
if (filters.hasPrevious()) {
ProxyInterceptor filter = filters.previous();
return filter.handleProxyResponse(this);
} else {
return response.send();
}
}
private Future<ProxyResponse> sendProxyRequest(ProxyRequest proxyRequest) {
// TODO 改造了这个地方
// 创建一个响应并设置参数
// ctx.request().response().setStatusCode(200)
// .putHeader("content-type", "text/plain").end(body);
// 发起一个请求
String sacAppHeaderKey = proxyRequest.headers().get(DynamicBuildServer.SAC_APP_HEADER_KEY);
if (StringUtils.isNotBlank(sacAppHeaderKey) && AppConfigServiceImpl.appDataSecurity(sacAppHeaderKey)) {
String body = ctx.getBodyAsString();
String bodyData = MainSecurity.aesDecrypt(body, "dadddsdfadfadsfa33323223");
return Future.future(p -> {
mainWebClient.post(9198, "127.0.0.1", "/vertx/body").sendJson(bodyData, h -> {
if (h.succeeded()) {
// 释放资源
proxyRequest.release();
JsonObject responseData = h.result().bodyAsJsonObject();
log.info("responseData:{}", responseData);
// 加密
String dataStr = MainSecurity.aesEncrypt(responseData.toString(), "dadddsdfadfadsfa33323223");
log.info("aesEncrypt dataStr:{}", dataStr);
ctx.request().response().setStatusCode(200).putHeader("content-type", "application/json")
.end(dataStr);
Buffer buffer = Buffer.buffer(dataStr);
ProxyResponse proxyResponse = proxyRequest.response().setStatusCode(200)
.putHeader("content-type", "application/json").setBody(Body.body(buffer));
p.complete(proxyResponse);
} else {
p.fail(h.cause());
}
});
});
} else {
Future<HttpClientRequest> f = resolveOrigin(proxyRequest.proxiedRequest());
f.onFailure(err -> {
// Should this be done here ? I don't think so
HttpServerRequest proxiedRequest = proxyRequest.proxiedRequest();
proxiedRequest.resume();
Promise<Void> promise = Promise.promise();
proxiedRequest.exceptionHandler(promise::tryFail);
proxiedRequest.endHandler(promise::tryComplete);
promise.future().onComplete(ar2 -> {
end(proxyRequest, 502);
});
});
return f.compose(a -> sendProxyRequest(proxyRequest, a));
}
}
private Future<ProxyResponse> sendProxyRequest(ProxyRequest proxyRequest, HttpClientRequest request) {
Future<ProxyResponse> fut = proxyRequest.send(request);
fut.onFailure(err -> {
proxyRequest.proxiedRequest().response().setStatusCode(502).end();
});
return fut;
}
private Future<Void> sendProxyResponse(ProxyResponse response) {
this.response = response;
// Check validity
Boolean chunked = HttpUtils.isChunked(response.headers());
if (chunked == null) {
// response.request().release(); // Is it needed ???
end(response.request(), 501);
return Future.succeededFuture(); // should use END future here ???
}
return sendResponse();
}
}
}

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sf-vertx/src/main/java/io/vertx/httpproxy/package-info.java Normal file
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/*
* Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
/**
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
@ModuleGen(name = "vertx-http-proxy", groupPackage = "io.vertx", useFutures = true)
package io.vertx.httpproxy;
import io.vertx.codegen.annotations.ModuleGen;

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sf-vertx/src/main/java/io/vertx/httpproxy/spi/cache/Cache.java vendored Normal file
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package io.vertx.httpproxy.spi.cache;
import java.util.Map;
/**
* Cache SPI.
*/
public interface Cache<K, V> extends Map<K, V> {
}