| | |
| | | */
|
| | | 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;
|
| | | import java.util.Date;
|
| | | import java.util.Collections;
|
| | | import java.util.HashMap;
|
| | | 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.Constants.FederationToken;
|
| | | import com.gitblit.FederationServlet;
|
| | | 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;
|
| | |
|
| | | /**
|
| | |
| | | */
|
| | | public class FederationUtils {
|
| | |
|
| | | public static final String CHARSET;
|
| | |
|
| | | public static final Type REPOSITORIES_TYPE = new TypeToken<Map<String, RepositoryModel>>() {
|
| | | private static final Type REPOSITORIES_TYPE = new TypeToken<Map<String, RepositoryModel>>() {
|
| | | }.getType();
|
| | |
|
| | | public static final Type SETTINGS_TYPE = new TypeToken<Map<String, String>>() {
|
| | | private static final Type SETTINGS_TYPE = new TypeToken<Map<String, String>>() {
|
| | | }.getType();
|
| | |
|
| | | public static final Type USERS_TYPE = new TypeToken<Collection<UserModel>>() {
|
| | | private static final Type USERS_TYPE = new TypeToken<Collection<UserModel>>() {
|
| | | }.getType();
|
| | |
|
| | | public static final Type RESULTS_TYPE = new TypeToken<List<FederationModel>>() {
|
| | | }.getType();
|
| | | private static final Logger LOGGER = LoggerFactory.getLogger(FederationUtils.class);
|
| | |
|
| | | private static final SSLContext SSL_CONTEXT;
|
| | | /**
|
| | | * 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);
|
| | | }
|
| | |
|
| | | 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();
|
| | | /**
|
| | | * |
| | | * @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)));
|
| | | }
|
| | |
|
| | | /**
|
| | | * Returns the list of federated gitblit instances that this instance will
|
| | | * try to pull.
|
| | | * |
| | | * @return list of registered gitblit instances
|
| | | */
|
| | | public static List<FederationModel> getFederationRegistrations(IStoredSettings settings) {
|
| | | List<FederationModel> federationRegistrations = new ArrayList<FederationModel>();
|
| | | List<String> keys = settings.getAllKeys(Keys.federation._ROOT);
|
| | | keys.remove(Keys.federation.name);
|
| | | keys.remove(Keys.federation.passphrase);
|
| | | keys.remove(Keys.federation.allowProposals);
|
| | | keys.remove(Keys.federation.proposalsFolder);
|
| | | keys.remove(Keys.federation.defaultFrequency);
|
| | | keys.remove(Keys.federation.sets);
|
| | | Collections.sort(keys);
|
| | | Map<String, FederationModel> federatedModels = new HashMap<String, FederationModel>();
|
| | | for (String key : keys) {
|
| | | String value = key.substring(Keys.federation._ROOT.length() + 1);
|
| | | List<String> values = StringUtils.getStringsFromValue(value, "\\.");
|
| | | String server = values.get(0);
|
| | | if (!federatedModels.containsKey(server)) {
|
| | | federatedModels.put(server, new FederationModel(server));
|
| | | }
|
| | | String setting = values.get(1);
|
| | | if (setting.equals("url")) {
|
| | | // url of the origin Gitblit instance
|
| | | federatedModels.get(server).url = settings.getString(key, "");
|
| | | } else if (setting.equals("token")) {
|
| | | // token for the origin Gitblit instance
|
| | | federatedModels.get(server).token = settings.getString(key, "");
|
| | | } else if (setting.equals("frequency")) {
|
| | | // frequency of the pull operation
|
| | | federatedModels.get(server).frequency = settings.getString(key, "");
|
| | | } else if (setting.equals("folder")) {
|
| | | // destination folder of the pull operation
|
| | | federatedModels.get(server).folder = settings.getString(key, "");
|
| | | } else if (setting.equals("bare")) {
|
| | | // whether pulled repositories should be bare
|
| | | federatedModels.get(server).bare = settings.getBoolean(key, true);
|
| | | } else if (setting.equals("mirror")) {
|
| | | // are the repositories to be true mirrors of the origin
|
| | | federatedModels.get(server).mirror = settings.getBoolean(key, true);
|
| | | } else if (setting.equals("mergeAccounts")) {
|
| | | // merge remote accounts into local accounts
|
| | | federatedModels.get(server).mergeAccounts = settings.getBoolean(key, false);
|
| | | } else if (setting.equals("sendStatus")) {
|
| | | // send a status acknowledgment to source Gitblit instance
|
| | | // at end of git pull
|
| | | federatedModels.get(server).sendStatus = settings.getBoolean(key, false);
|
| | | } else if (setting.equals("notifyOnError")) {
|
| | | // notify administrators on federation pull failures
|
| | | federatedModels.get(server).notifyOnError = settings.getBoolean(key, false);
|
| | | } else if (setting.equals("exclude")) {
|
| | | // excluded repositories
|
| | | federatedModels.get(server).exclusions = settings.getStrings(key);
|
| | | } else if (setting.equals("include")) {
|
| | | // included repositories
|
| | | federatedModels.get(server).inclusions = settings.getStrings(key);
|
| | | }
|
| | | }
|
| | |
|
| | | // verify that registrations have a url and a token
|
| | | for (FederationModel model : federatedModels.values()) {
|
| | | if (StringUtils.isEmpty(model.url)) {
|
| | | LOGGER.warn(MessageFormat.format(
|
| | | "Dropping federation registration {0}. Missing url.", model.name));
|
| | | continue;
|
| | | }
|
| | | if (StringUtils.isEmpty(model.token)) {
|
| | | LOGGER.warn(MessageFormat.format(
|
| | | "Dropping federation registration {0}. Missing token.", model.name));
|
| | | continue;
|
| | | }
|
| | | // set default frequency if unspecified
|
| | | if (StringUtils.isEmpty(model.frequency)) {
|
| | | model.frequency = settings.getString(Keys.federation.defaultFrequency, "60 mins");
|
| | | }
|
| | | federationRegistrations.add(model);
|
| | | }
|
| | | return federationRegistrations;
|
| | | }
|
| | |
|
| | | /**
|
| | | * Sends a federation poke to the Gitblit instance at remoteUrl. Pokes are
|
| | | * sent by an pulling Gitblit instance to an origin Gitblit instance as part
|
| | | * of the proposal process. This is to ensure that the pulling Gitblit
|
| | | * instance has an IP route to the origin instance.
|
| | | * |
| | | * @param remoteUrl
|
| | | * the remote Gitblit instance to send a federation proposal to
|
| | | * @param proposal
|
| | | * a complete federation proposal
|
| | | * @return true if there is a route to the remoteUrl
|
| | | */
|
| | | public static boolean poke(String remoteUrl) throws Exception {
|
| | | String url = asLink(remoteUrl, null, FederationRequest.POKE);
|
| | | String json = JsonUtils.toJsonString("POKE");
|
| | | int status = JsonUtils.sendJsonString(url, json);
|
| | | return status == HttpServletResponse.SC_OK;
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | *
|
| | | * @param remoteUrl
|
| | | * the remote Gitblit instance to send a federation proposal to
|
| | | * @param tokenType
|
| | | * type of the provided federation token
|
| | | * @param myToken
|
| | | * my federation token
|
| | | * @param myUrl
|
| | | * my Gitblit url
|
| | | * @param myRepositories
|
| | | * the repositories I want to share keyed by their clone url
|
| | | * @return true if the proposal was received
|
| | | * @param proposal
|
| | | * a complete federation proposal
|
| | | * @return the federation proposal result code
|
| | | */
|
| | | public static boolean propose(String remoteUrl, FederationToken tokenType, String myToken,
|
| | | String myUrl, Map<String, RepositoryModel> myRepositories) throws Exception {
|
| | | String url = FederationServlet.asFederationLink(remoteUrl, tokenType, myToken,
|
| | | FederationRequest.PROPOSAL, myUrl);
|
| | | Gson gson = new GsonBuilder().setPrettyPrinting().create();
|
| | | String json = gson.toJson(myRepositories);
|
| | | int status = writeJson(url, json);
|
| | | return status == HttpServletResponse.SC_OK;
|
| | | public static FederationProposalResult propose(String remoteUrl, FederationProposal proposal)
|
| | | throws Exception {
|
| | | 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
|
| | | return FederationProposalResult.FEDERATION_DISABLED;
|
| | | case HttpServletResponse.SC_BAD_REQUEST:
|
| | | // remote Gitblit did not receive any JSON data
|
| | | return FederationProposalResult.MISSING_DATA;
|
| | | case HttpServletResponse.SC_METHOD_NOT_ALLOWED:
|
| | | // remote Gitblit not accepting proposals
|
| | | return FederationProposalResult.NO_PROPOSALS;
|
| | | case HttpServletResponse.SC_NOT_ACCEPTABLE:
|
| | | // remote Gitblit failed to poke this Gitblit instance
|
| | | return FederationProposalResult.NO_POKE;
|
| | | case HttpServletResponse.SC_OK:
|
| | | // received
|
| | | return FederationProposalResult.ACCEPTED;
|
| | | default:
|
| | | return FederationProposalResult.ERROR;
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | */
|
| | | public static Map<String, RepositoryModel> getRepositories(FederationModel registration,
|
| | | boolean checkExclusions) throws Exception {
|
| | | String url = FederationServlet.asPullLink(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()) {
|
| | |
| | | * @return a collection of UserModel objects
|
| | | * @throws Exception
|
| | | */
|
| | | public static Collection<UserModel> getUsers(FederationModel registration) throws Exception {
|
| | | String url = FederationServlet.asPullLink(registration.url, registration.token,
|
| | | FederationRequest.PULL_USERS);
|
| | | Collection<UserModel> models = readGson(url, USERS_TYPE);
|
| | | return models;
|
| | | public static List<UserModel> getUsers(FederationModel registration) throws Exception {
|
| | | String url = asLink(registration.url, registration.token, FederationRequest.PULL_USERS);
|
| | | Collection<UserModel> models = JsonUtils.retrieveJson(url, USERS_TYPE);
|
| | | List<UserModel> list = new ArrayList<UserModel>(models);
|
| | | return list;
|
| | | }
|
| | |
|
| | | /**
|
| | |
| | | * @throws Exception
|
| | | */
|
| | | public static Map<String, String> getSettings(FederationModel registration) throws Exception {
|
| | | String url = FederationServlet.asPullLink(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;
|
| | | }
|
| | |
|
| | |
| | | */
|
| | | 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;
|
| | | }
|
| | | }
|
| | | }
|