| | |
| | | package com.gitblit.utils;
|
| | |
|
| | | import java.io.BufferedReader;
|
| | | import java.io.IOException;
|
| | | import java.io.InputStream;
|
| | | import java.io.InputStreamReader;
|
| | | import java.io.OutputStream;
|
| | | import java.lang.reflect.Type;
|
| | | import java.net.HttpURLConnection;
|
| | | import java.net.URL;
|
| | | import java.net.URLConnection;
|
| | | import java.security.SecureRandom;
|
| | | import java.security.cert.CertificateException;
|
| | | import java.security.cert.X509Certificate;
|
| | | import java.text.DateFormat;
|
| | | import java.text.ParseException;
|
| | | import java.text.SimpleDateFormat;
|
| | | import java.util.Collection;
|
| | | import java.util.Date;
|
| | | import java.util.Locale;
|
| | | import java.util.Map;
|
| | | import java.util.TimeZone;
|
| | |
|
| | | import javax.net.ssl.HostnameVerifier;
|
| | | import javax.net.ssl.HttpsURLConnection;
|
| | | import javax.net.ssl.SSLContext;
|
| | | import javax.net.ssl.SSLSession;
|
| | | import javax.net.ssl.TrustManager;
|
| | | import javax.net.ssl.X509TrustManager;
|
| | |
|
| | | import com.gitblit.GitBlitException.ForbiddenException;
|
| | | import com.gitblit.GitBlitException.NotAllowedException;
|
| | | import com.gitblit.GitBlitException.UnauthorizedException;
|
| | | import com.gitblit.GitBlitException.UnknownRequestException;
|
| | | import com.gitblit.models.RepositoryModel;
|
| | | import com.gitblit.models.UserModel;
|
| | | import com.google.gson.Gson;
|
| | | import com.google.gson.GsonBuilder;
|
| | | import com.google.gson.JsonDeserializationContext;
|
| | | import com.google.gson.JsonDeserializer;
|
| | | import com.google.gson.JsonElement;
|
| | | import com.google.gson.JsonPrimitive;
|
| | | import com.google.gson.JsonSerializationContext;
|
| | | import com.google.gson.JsonSerializer;
|
| | | import com.google.gson.JsonSyntaxException;
|
| | | import com.google.gson.reflect.TypeToken;
|
| | |
|
| | | /**
|
| | | * Utility methods for gson calls to a Gitblit server.
|
| | | * Utility methods for json calls to a Gitblit server.
|
| | | *
|
| | | * @author James Moger
|
| | | *
|
| | | */
|
| | | public class JsonUtils {
|
| | |
|
| | | public static final String CHARSET;
|
| | |
|
| | | public static final Type REPOSITORIES_TYPE = new TypeToken<Map<String, RepositoryModel>>() {
|
| | | }.getType();
|
| | |
|
| | | public static final Type USERS_TYPE = new TypeToken<Collection<UserModel>>() {
|
| | | }.getType();
|
| | |
|
| | | private static final SSLContext SSL_CONTEXT;
|
| | |
|
| | | private static final DummyHostnameVerifier HOSTNAME_VERIFIER;
|
| | |
|
| | | static {
|
| | | SSLContext context = null;
|
| | | try {
|
| | | context = SSLContext.getInstance("SSL");
|
| | | context.init(null, new TrustManager[] { new DummyTrustManager() }, new SecureRandom());
|
| | | } catch (Throwable t) {
|
| | | t.printStackTrace();
|
| | | }
|
| | | SSL_CONTEXT = context;
|
| | | HOSTNAME_VERIFIER = new DummyHostnameVerifier();
|
| | | CHARSET = "UTF-8";
|
| | | }
|
| | |
|
| | | /**
|
| | | * Creates JSON from the specified object.
|
| | |
| | | * @return json
|
| | | */
|
| | | public static String toJsonString(Object o) {
|
| | | Gson gson = new GsonBuilder().setPrettyPrinting().create();
|
| | | String json = gson.toJson(o);
|
| | | String json = gson().toJson(o);
|
| | | return json;
|
| | | }
|
| | |
|
| | |
| | | * @return an object
|
| | | */
|
| | | public static <X> X fromJsonString(String json, Class<X> clazz) {
|
| | | Gson gson = new Gson();
|
| | | return gson.fromJson(json, clazz);
|
| | | return gson().fromJson(json, clazz);
|
| | | }
|
| | | |
| | |
|
| | | /**
|
| | | * Convert a json string to an object of the specified type.
|
| | | *
|
| | |
| | | * @return an object
|
| | | */
|
| | | public static <X> X fromJsonString(String json, Type type) {
|
| | | Gson gson = new Gson();
|
| | | return gson.fromJson(json, type);
|
| | | return gson().fromJson(json, type);
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | *
|
| | | * @param url
|
| | | * @param type
|
| | | * @return
|
| | | * @throws Exception
|
| | | * @return the deserialized object
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static <X> X retrieveJson(String url, Type type) throws Exception {
|
| | | String json = retrieveJsonString(url);
|
| | | public static <X> X retrieveJson(String url, Type type) throws IOException,
|
| | | UnauthorizedException {
|
| | | return retrieveJson(url, type, null, null);
|
| | | }
|
| | | |
| | | /**
|
| | | * Reads a gson object from the specified url.
|
| | | * |
| | | * @param url
|
| | | * @param type
|
| | | * @return the deserialized object
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static <X> X retrieveJson(String url, Class<? extends X> clazz) throws IOException,
|
| | | UnauthorizedException {
|
| | | return retrieveJson(url, clazz, null, null);
|
| | | }
|
| | |
|
| | | /**
|
| | | * Reads a gson object from the specified url.
|
| | | * |
| | | * @param url
|
| | | * @param type
|
| | | * @param username
|
| | | * @param password
|
| | | * @return the deserialized object
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static <X> X retrieveJson(String url, Type type, String username, char[] password)
|
| | | throws IOException {
|
| | | String json = retrieveJsonString(url, username, password);
|
| | | if (StringUtils.isEmpty(json)) {
|
| | | return null;
|
| | | }
|
| | | Gson gson = new Gson();
|
| | | return gson.fromJson(json, type);
|
| | | return gson().fromJson(json, type);
|
| | | }
|
| | |
|
| | | /**
|
| | | * Reads a gson object from the specified url.
|
| | | * |
| | | * @param url
|
| | | * @param clazz
|
| | | * @param username
|
| | | * @param password
|
| | | * @return the deserialized object
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static <X> X retrieveJson(String url, Class<X> clazz, String username, char[] password)
|
| | | throws IOException {
|
| | | String json = retrieveJsonString(url, username, password);
|
| | | if (StringUtils.isEmpty(json)) {
|
| | | return null;
|
| | | }
|
| | | return gson().fromJson(json, clazz);
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | *
|
| | | * @param url
|
| | | * @return the JSON message as a string
|
| | | * @throws Exception
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static String retrieveJsonString(String url) throws Exception {
|
| | | URL urlObject = new URL(url);
|
| | | URLConnection conn = urlObject.openConnection();
|
| | | conn.setRequestProperty("Accept-Charset", CHARSET);
|
| | | conn.setUseCaches(false);
|
| | | conn.setDoInput(true);
|
| | | if (conn instanceof HttpsURLConnection) {
|
| | | HttpsURLConnection secureConn = (HttpsURLConnection) conn;
|
| | | secureConn.setSSLSocketFactory(SSL_CONTEXT.getSocketFactory());
|
| | | secureConn.setHostnameVerifier(HOSTNAME_VERIFIER);
|
| | | public static String retrieveJsonString(String url, String username, char[] password)
|
| | | throws IOException {
|
| | | try { |
| | | URLConnection conn = ConnectionUtils.openReadConnection(url, username, password);
|
| | | InputStream is = conn.getInputStream();
|
| | | BufferedReader reader = new BufferedReader(new InputStreamReader(is, ConnectionUtils.CHARSET));
|
| | | StringBuilder json = new StringBuilder();
|
| | | char[] buffer = new char[4096];
|
| | | int len = 0;
|
| | | while ((len = reader.read(buffer)) > -1) {
|
| | | json.append(buffer, 0, len);
|
| | | }
|
| | | is.close();
|
| | | return json.toString();
|
| | | } catch (IOException e) {
|
| | | if (e.getMessage().indexOf("401") > -1) {
|
| | | // unauthorized
|
| | | throw new UnauthorizedException(url);
|
| | | } else if (e.getMessage().indexOf("403") > -1) {
|
| | | // requested url is forbidden by the requesting user
|
| | | throw new ForbiddenException(url);
|
| | | } else if (e.getMessage().indexOf("405") > -1) {
|
| | | // requested url is not allowed by the server
|
| | | throw new NotAllowedException(url);
|
| | | } else if (e.getMessage().indexOf("501") > -1) {
|
| | | // requested url is not recognized by the server
|
| | | throw new UnknownRequestException(url);
|
| | | }
|
| | | throw e;
|
| | | }
|
| | | InputStream is = conn.getInputStream();
|
| | | BufferedReader reader = new BufferedReader(new InputStreamReader(is, CHARSET));
|
| | | StringBuilder json = new StringBuilder();
|
| | | char[] buffer = new char[4096];
|
| | | int len = 0;
|
| | | while ((len = reader.read(buffer)) > -1) {
|
| | | json.append(buffer, 0, len);
|
| | | }
|
| | | is.close();
|
| | | return json.toString();
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | * @param json
|
| | | * the json message to send
|
| | | * @return the http request result code
|
| | | * @throws Exception
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | public static int sendJsonString(String url, String json) throws Exception {
|
| | | byte[] jsonBytes = json.getBytes(CHARSET);
|
| | | URL urlObject = new URL(url);
|
| | | URLConnection conn = urlObject.openConnection();
|
| | | conn.setRequestProperty("Content-Type", "text/plain;charset=" + CHARSET);
|
| | | conn.setRequestProperty("Content-Length", "" + jsonBytes.length);
|
| | | conn.setUseCaches(false);
|
| | | conn.setDoOutput(true);
|
| | | if (conn instanceof HttpsURLConnection) {
|
| | | HttpsURLConnection secureConn = (HttpsURLConnection) conn;
|
| | | secureConn.setSSLSocketFactory(SSL_CONTEXT.getSocketFactory());
|
| | | secureConn.setHostnameVerifier(HOSTNAME_VERIFIER);
|
| | | }
|
| | |
|
| | | // write json body
|
| | | OutputStream os = conn.getOutputStream();
|
| | | os.write(jsonBytes);
|
| | | os.close();
|
| | |
|
| | | int status = ((HttpURLConnection) conn).getResponseCode();
|
| | | return status;
|
| | | public static int sendJsonString(String url, String json) throws IOException {
|
| | | return sendJsonString(url, json, null, null);
|
| | | }
|
| | |
|
| | | /**
|
| | | * DummyTrustManager trusts all certificates.
|
| | | * Sends a JSON message.
|
| | | * |
| | | * @param url
|
| | | * the url to write to
|
| | | * @param json
|
| | | * the json message to send
|
| | | * @param username
|
| | | * @param password
|
| | | * @return the http request result code
|
| | | * @throws {@link IOException}
|
| | | */
|
| | | private static class DummyTrustManager implements X509TrustManager {
|
| | | public static int sendJsonString(String url, String json, String username, char[] password)
|
| | | throws IOException {
|
| | | try {
|
| | | byte[] jsonBytes = json.getBytes(ConnectionUtils.CHARSET);
|
| | | URLConnection conn = ConnectionUtils.openConnection(url, username, password);
|
| | | conn.setRequestProperty("Content-Type", "text/plain;charset=" + ConnectionUtils.CHARSET);
|
| | | conn.setRequestProperty("Content-Length", "" + jsonBytes.length);
|
| | |
|
| | | @Override
|
| | | public void checkClientTrusted(X509Certificate[] certs, String authType)
|
| | | throws CertificateException {
|
| | | }
|
| | | // write json body
|
| | | OutputStream os = conn.getOutputStream();
|
| | | os.write(jsonBytes);
|
| | | os.close();
|
| | |
|
| | | @Override
|
| | | public void checkServerTrusted(X509Certificate[] certs, String authType)
|
| | | throws CertificateException {
|
| | | }
|
| | |
|
| | | @Override
|
| | | public X509Certificate[] getAcceptedIssuers() {
|
| | | return null;
|
| | | int status = ((HttpURLConnection) conn).getResponseCode();
|
| | | return status;
|
| | | } catch (IOException e) {
|
| | | if (e.getMessage().indexOf("401") > -1) {
|
| | | // unauthorized
|
| | | throw new UnauthorizedException(url);
|
| | | } else if (e.getMessage().indexOf("403") > -1) {
|
| | | // requested url is forbidden by the requesting user
|
| | | throw new ForbiddenException(url);
|
| | | } else if (e.getMessage().indexOf("405") > -1) {
|
| | | // requested url is not allowed by the server
|
| | | throw new NotAllowedException(url);
|
| | | } else if (e.getMessage().indexOf("501") > -1) {
|
| | | // requested url is not recognized by the server
|
| | | throw new UnknownRequestException(url);
|
| | | }
|
| | | throw e;
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * Trusts all hostnames from a certificate, including self-signed certs.
|
| | | */
|
| | | private static class DummyHostnameVerifier implements HostnameVerifier {
|
| | | // build custom gson instance with GMT date serializer/deserializer
|
| | | // http://code.google.com/p/google-gson/issues/detail?id=281
|
| | | private static Gson gson() {
|
| | | GsonBuilder builder = new GsonBuilder();
|
| | | builder.registerTypeAdapter(Date.class, new GmtDateTypeAdapter());
|
| | | builder.setPrettyPrinting();
|
| | | return builder.create();
|
| | | }
|
| | |
|
| | | private static class GmtDateTypeAdapter implements JsonSerializer<Date>, JsonDeserializer<Date> {
|
| | | private final DateFormat dateFormat;
|
| | |
|
| | | private GmtDateTypeAdapter() {
|
| | | dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
|
| | | dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
| | | }
|
| | |
|
| | | @Override
|
| | | public boolean verify(String hostname, SSLSession session) {
|
| | | return true;
|
| | | public synchronized JsonElement serialize(Date date, Type type,
|
| | | JsonSerializationContext jsonSerializationContext) {
|
| | | synchronized (dateFormat) {
|
| | | String dateFormatAsString = dateFormat.format(date);
|
| | | return new JsonPrimitive(dateFormatAsString);
|
| | | }
|
| | | }
|
| | |
|
| | | @Override
|
| | | public synchronized Date deserialize(JsonElement jsonElement, Type type,
|
| | | JsonDeserializationContext jsonDeserializationContext) {
|
| | | try {
|
| | | synchronized (dateFormat) {
|
| | | return dateFormat.parse(jsonElement.getAsString());
|
| | | }
|
| | | } catch (ParseException e) {
|
| | | throw new JsonSyntaxException(jsonElement.getAsString(), e);
|
| | | }
|
| | | }
|
| | | }
|
| | | }
|