From 93f0b1a11d5a7f7c44cfcb8ff5300bb68b8b8188 Mon Sep 17 00:00:00 2001 From: James Moger <james.moger@gitblit.com> Date: Sat, 01 Oct 2011 17:30:48 -0400 Subject: [PATCH] Refactored federation servlet and utils. Started rpc servlet and utils. --- src/com/gitblit/utils/FederationUtils.java | 225 ++++++++++++++------------------------------------------ 1 files changed, 57 insertions(+), 168 deletions(-) diff --git a/src/com/gitblit/utils/FederationUtils.java b/src/com/gitblit/utils/FederationUtils.java index fde9557..d04a7a3 100644 --- a/src/com/gitblit/utils/FederationUtils.java +++ b/src/com/gitblit/utils/FederationUtils.java @@ -15,17 +15,7 @@ */ package com.gitblit.utils; -import java.io.BufferedReader; -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.MessageFormat; import java.util.ArrayList; import java.util.Collection; @@ -34,28 +24,21 @@ import java.util.List; import java.util.Map; -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 javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; +import com.gitblit.Constants; import com.gitblit.Constants.FederationProposalResult; import com.gitblit.Constants.FederationRequest; -import com.gitblit.FederationServlet; +import com.gitblit.Constants.FederationToken; import com.gitblit.IStoredSettings; import com.gitblit.Keys; import com.gitblit.models.FederationModel; import com.gitblit.models.FederationProposal; import com.gitblit.models.RepositoryModel; import com.gitblit.models.UserModel; -import com.google.gson.Gson; -import com.google.gson.GsonBuilder; import com.google.gson.reflect.TypeToken; /** @@ -65,8 +48,6 @@ * */ public class FederationUtils { - - public static final String CHARSET; public static final Type REPOSITORIES_TYPE = new TypeToken<Map<String, RepositoryModel>>() { }.getType(); @@ -80,23 +61,48 @@ public static final Type RESULTS_TYPE = new TypeToken<List<FederationModel>>() { }.getType(); - private static final SSLContext SSL_CONTEXT; - - private static final DummyHostnameVerifier HOSTNAME_VERIFIER; - private static final Logger LOGGER = LoggerFactory.getLogger(FederationUtils.class); - static { - SSLContext context = null; - try { - context = SSLContext.getInstance("SSL"); - context.init(null, new TrustManager[] { new DummyTrustManager() }, new SecureRandom()); - } catch (Throwable t) { - t.printStackTrace(); + /** + * Returns an url to this servlet for the specified parameters. + * + * @param sourceURL + * the url of the source gitblit instance + * @param token + * the federation token of the source gitblit instance + * @param req + * the pull type request + */ + public static String asLink(String sourceURL, String token, FederationRequest req) { + return asLink(sourceURL, null, token, req, null); + } + + /** + * + * @param remoteURL + * the url of the remote gitblit instance + * @param tokenType + * the type of federation token of a gitblit instance + * @param token + * the federation token of a gitblit instance + * @param req + * the pull type request + * @param myURL + * the url of this gitblit instance + * @return + */ + public static String asLink(String remoteURL, FederationToken tokenType, String token, + FederationRequest req, String myURL) { + if (remoteURL.length() > 0 && remoteURL.charAt(remoteURL.length() - 1) == '/') { + remoteURL = remoteURL.substring(0, remoteURL.length() - 1); } - SSL_CONTEXT = context; - HOSTNAME_VERIFIER = new DummyHostnameVerifier(); - CHARSET = "UTF-8"; + if (req == null) { + req = FederationRequest.PULL_REPOSITORIES; + } + return remoteURL + Constants.FEDERATION_PATH + "?req=" + req.name().toLowerCase() + + (token == null ? "" : ("&token=" + token)) + + (tokenType == null ? "" : ("&tokenType=" + tokenType.name().toLowerCase())) + + (myURL == null ? "" : ("&url=" + StringUtils.encodeURL(myURL))); } /** @@ -195,10 +201,9 @@ * @return true if there is a route to the remoteUrl */ public static boolean poke(String remoteUrl) throws Exception { - String url = FederationServlet.asFederationLink(remoteUrl, null, FederationRequest.POKE); - Gson gson = new Gson(); - String json = gson.toJson("POKE"); - int status = writeJson(url, json); + String url = asLink(remoteUrl, null, FederationRequest.POKE); + String json = JsonUtils.toJsonString("POKE"); + int status = JsonUtils.sendJsonString(url, json); return status == HttpServletResponse.SC_OK; } @@ -213,11 +218,9 @@ */ public static FederationProposalResult propose(String remoteUrl, FederationProposal proposal) throws Exception { - String url = FederationServlet - .asFederationLink(remoteUrl, null, FederationRequest.PROPOSAL); - Gson gson = new GsonBuilder().setPrettyPrinting().create(); - String json = gson.toJson(proposal); - int status = writeJson(url, json); + String url = asLink(remoteUrl, null, FederationRequest.PROPOSAL); + String json = JsonUtils.toJsonString(proposal); + int status = JsonUtils.sendJsonString(url, json); switch (status) { case HttpServletResponse.SC_FORBIDDEN: // remote Gitblit Federation disabled @@ -251,9 +254,9 @@ */ public static Map<String, RepositoryModel> getRepositories(FederationModel registration, boolean checkExclusions) throws Exception { - String url = FederationServlet.asFederationLink(registration.url, registration.token, + String url = asLink(registration.url, registration.token, FederationRequest.PULL_REPOSITORIES); - Map<String, RepositoryModel> models = readGson(url, REPOSITORIES_TYPE); + Map<String, RepositoryModel> models = JsonUtils.retrieveJson(url, REPOSITORIES_TYPE); if (checkExclusions) { Map<String, RepositoryModel> includedModels = new HashMap<String, RepositoryModel>(); for (Map.Entry<String, RepositoryModel> entry : models.entrySet()) { @@ -274,9 +277,8 @@ * @throws Exception */ public static Collection<UserModel> getUsers(FederationModel registration) throws Exception { - String url = FederationServlet.asFederationLink(registration.url, registration.token, - FederationRequest.PULL_USERS); - Collection<UserModel> models = readGson(url, USERS_TYPE); + String url = asLink(registration.url, registration.token, FederationRequest.PULL_USERS); + Collection<UserModel> models = JsonUtils.retrieveJson(url, USERS_TYPE); return models; } @@ -289,9 +291,8 @@ * @throws Exception */ public static Map<String, String> getSettings(FederationModel registration) throws Exception { - String url = FederationServlet.asFederationLink(registration.url, registration.token, - FederationRequest.PULL_SETTINGS); - Map<String, String> settings = readGson(url, SETTINGS_TYPE); + String url = asLink(registration.url, registration.token, FederationRequest.PULL_SETTINGS); + Map<String, String> settings = JsonUtils.retrieveJson(url, SETTINGS_TYPE); return settings; } @@ -309,122 +310,10 @@ */ public static boolean acknowledgeStatus(String identification, FederationModel registration) throws Exception { - String url = FederationServlet.asFederationLink(registration.url, null, registration.token, - FederationRequest.STATUS, identification); - Gson gson = new GsonBuilder().setPrettyPrinting().create(); - String json = gson.toJson(registration); - int status = writeJson(url, json); + String url = asLink(registration.url, null, registration.token, FederationRequest.STATUS, + identification); + String json = JsonUtils.toJsonString(registration); + int status = JsonUtils.sendJsonString(url, json); return status == HttpServletResponse.SC_OK; - } - - /** - * Reads a gson object from the specified url. - * - * @param url - * @param type - * @return - * @throws Exception - */ - public static <X> X readGson(String url, Type type) throws Exception { - String json = readJson(url); - if (StringUtils.isEmpty(json)) { - return null; - } - Gson gson = new Gson(); - return gson.fromJson(json, type); - } - - /** - * Reads a JSON response. - * - * @param url - * @return the JSON response as a string - * @throws Exception - */ - public static String readJson(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); - } - 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(); - } - - /** - * Writes a JSON message to the specified url. - * - * @param url - * the url to write to - * @param json - * the json message to send - * @return the http request result code - * @throws Exception - */ - public static int writeJson(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; - } - - /** - * DummyTrustManager trusts all certificates. - */ - private static class DummyTrustManager implements X509TrustManager { - - @Override - public void checkClientTrusted(X509Certificate[] certs, String authType) - throws CertificateException { - } - - @Override - public void checkServerTrusted(X509Certificate[] certs, String authType) - throws CertificateException { - } - - @Override - public X509Certificate[] getAcceptedIssuers() { - return null; - } - } - - /** - * Trusts all hostnames from a certificate, including self-signed certs. - */ - private static class DummyHostnameVerifier implements HostnameVerifier { - @Override - public boolean verify(String hostname, SSLSession session) { - return true; - } } } -- Gitblit v1.9.1