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com.intuit.karate.http.HttpUtils Maven / Gradle / Ivy
package com.intuit.karate.http;
import com.intuit.karate.FileUtils;
import com.intuit.karate.StringUtils;
import com.intuit.karate.shell.Command;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFutureListener;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpMessage;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import java.io.File;
import java.io.FileInputStream;
import java.net.URI;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.security.Security;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author pthomas3
*/
public class HttpUtils {
private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);
private HttpUtils() {
// only static methods
}
public static Charset parseContentTypeCharset(String mimeType) {
Map map = parseContentTypeParams(mimeType);
if (map == null) {
return null;
}
String cs = map.get("charset");
if (cs == null) {
return null;
}
return Charset.forName(cs);
}
public static Map parseContentTypeParams(String mimeType) {
List items = StringUtils.split(mimeType, ';', false);
int count = items.size();
if (count <= 1) {
return null;
}
Map map = new LinkedHashMap(count - 1);
for (int i = 1; i < count; i++) {
String item = items.get(i);
int pos = item.indexOf('=');
if (pos == -1) {
continue;
}
String key = item.substring(0, pos).trim();
String val = item.substring(pos + 1).trim();
map.put(key, val);
}
return map;
}
public static Map parseUriPattern(String pattern, String url) {
int qpos = url.indexOf('?');
if (qpos != -1) {
url = url.substring(0, qpos);
}
List leftList = StringUtils.split(pattern, '/', false);
List rightList = StringUtils.split(url, '/', false);
int leftSize = leftList.size();
int rightSize = rightList.size();
if (rightSize != leftSize) {
return null;
}
Map map = new LinkedHashMap(leftSize);
for (int i = 0; i < leftSize; i++) {
String left = leftList.get(i);
String right = rightList.get(i);
if (left.equals(right)) {
continue;
}
if (left.startsWith("{") && left.endsWith("}")) {
left = left.substring(1, left.length() - 1);
map.put(left, right);
} else {
return null; // match failed
}
}
return map;
}
public static final String normaliseUriPath(String uri) {
uri = uri.indexOf('?') == -1 ? uri : uri.substring(0, uri.indexOf('?'));
if (uri.endsWith("/")) {
uri = uri.substring(0, uri.length() - 1);
}
if (!uri.startsWith("/")) {
uri = "/" + uri;
}
return uri;
}
public static StringUtils.Pair parseUriIntoUrlBaseAndPath(String rawUri) {
int pos = rawUri.indexOf('/');
if (pos == -1) {
return StringUtils.pair(null, "");
}
URI uri;
try {
uri = new URI(rawUri);
} catch (Exception e) {
throw new RuntimeException(e);
}
if (uri.getHost() == null) {
return StringUtils.pair(null, rawUri);
}
String path = uri.getRawPath();
pos = rawUri.lastIndexOf(path); // edge case that path is just "/"
String urlBase = rawUri.substring(0, pos);
return StringUtils.pair(urlBase, rawUri.substring(pos));
}
//==========================================================================
//
public static void flushAndClose(Channel ch) {
if (ch != null && ch.isActive()) {
ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
}
}
public static void createSelfSignedCertificate(File cert, File key) {
try {
SelfSignedCertificate ssc = new SelfSignedCertificate();
FileUtils.copy(ssc.certificate(), cert);
FileUtils.copy(ssc.privateKey(), key);
} catch (Exception e) {
throw new RuntimeException();
}
}
private static final String PROXY_ALIAS = "karate-proxy";
private static final String KEYSTORE_PASSWORD = "karate-secret";
private static final String KEYSTORE_FILENAME = PROXY_ALIAS + ".jks";
public static SSLContext getSslContext(File keyStoreFile) {
keyStoreFile = initKeyStore(keyStoreFile);
String algorithm = Security.getProperty("ssl.KeyManagerFactory.algorithm");
if (algorithm == null) {
algorithm = "SunX509";
}
try {
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream(keyStoreFile), KEYSTORE_PASSWORD.toCharArray());
TrustManager[] trustManagers = new TrustManager[]{LenientTrustManager.INSTANCE};
KeyManagerFactory kmf = KeyManagerFactory.getInstance(algorithm);
kmf.init(ks, KEYSTORE_PASSWORD.toCharArray());
KeyManager[] keyManagers = kmf.getKeyManagers();
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(keyManagers, trustManagers, null);
return ctx;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static File initKeyStore(File keyStoreFile) {
if (keyStoreFile == null) {
keyStoreFile = new File(KEYSTORE_FILENAME);
}
if (keyStoreFile.exists()) {
if (logger.isTraceEnabled()) {
logger.trace("keystore file already exists: {}", keyStoreFile);
}
return keyStoreFile;
}
File parentFile = keyStoreFile.getParentFile();
if (parentFile != null) {
parentFile.mkdirs();
}
Command.exec(false, parentFile, "keytool", "-genkey", "-alias", PROXY_ALIAS, "-keysize",
"4096", "-validity", "36500", "-keyalg", "RSA", "-dname",
"CN=" + PROXY_ALIAS, "-keypass", KEYSTORE_PASSWORD, "-storepass",
KEYSTORE_PASSWORD, "-keystore", keyStoreFile.getName());
Command.exec(false, parentFile, "keytool", "-exportcert", "-alias", PROXY_ALIAS, "-keystore",
keyStoreFile.getName(), "-storepass", KEYSTORE_PASSWORD, "-file", keyStoreFile.getName() + ".der");
return keyStoreFile;
}
public static FullHttpResponse createResponse(int status, String body) {
return createResponse(HttpResponseStatus.valueOf(status), body);
}
public static FullHttpResponse createResponse(HttpResponseStatus status, String body) {
byte[] bytes = FileUtils.toBytes(body);
ByteBuf bodyBuf = Unpooled.copiedBuffer(bytes);
DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status, bodyBuf);
response.headers().set(HttpHeaderNames.CONTENT_LENGTH, bytes.length);
return response;
}
public static FullHttpResponse transform(FullHttpResponse original, String body) {
FullHttpResponse response = createResponse(original.status(), body);
response.headers().set(original.headers());
return response;
}
private static final HttpResponseStatus CONNECTION_ESTABLISHED = new HttpResponseStatus(200, "Connection established");
public static final FullHttpResponse connectionEstablished() {
return new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, CONNECTION_ESTABLISHED);
}
public static void fixHeadersForProxy(HttpRequest request) {
String adjustedUri = ProxyContext.removeHostColonPort(request.uri());
request.setUri(adjustedUri);
request.headers().remove(HttpHeaderNames.CONNECTION);
// addViaHeader(request, PROXY_ALIAS);
}
public static void addViaHeader(HttpMessage msg, String alias) {
StringBuilder sb = new StringBuilder();
sb.append(msg.protocolVersion().majorVersion()).append('.');
sb.append(msg.protocolVersion().minorVersion()).append(' ');
sb.append(alias);
List list;
if (msg.headers().contains(HttpHeaderNames.VIA)) {
List existing = msg.headers().getAll(HttpHeaderNames.VIA);
list = new ArrayList(existing);
list.add(sb.toString());
} else {
list = Collections.singletonList(sb.toString());
}
msg.headers().set(HttpHeaderNames.VIA, list);
}
}
