From 37fa664c58df034607edf2485a1414b3417b2755 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 03 Dec 2012 16:59:17 -0500
Subject: [PATCH] Consolidate authentication techniques and support container principals (issue-68)
---
src/com/gitblit/GitBlit.java | 103 +++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 86 insertions(+), 17 deletions(-)
diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index 69135c4..02906ee 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -24,6 +24,8 @@
import java.lang.reflect.Field;
import java.net.URI;
import java.net.URISyntaxException;
+import java.nio.charset.Charset;
+import java.security.Principal;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
@@ -98,6 +100,7 @@
import com.gitblit.models.TeamModel;
import com.gitblit.models.UserModel;
import com.gitblit.utils.ArrayUtils;
+import com.gitblit.utils.Base64;
import com.gitblit.utils.ByteFormat;
import com.gitblit.utils.ContainerUtils;
import com.gitblit.utils.DeepCopier;
@@ -567,6 +570,20 @@
* @return a user object or null
*/
public UserModel authenticate(HttpServletRequest httpRequest) {
+ return authenticate(httpRequest, false);
+ }
+
+ /**
+ * Authenticate a user based on HTTP request parameters.
+ *
+ * Authentication by X509Certificate, servlet container principal, cookie,
+ * and BASIC header.
+ *
+ * @param httpRequest
+ * @param requiresCertificate
+ * @return a user object or null
+ */
+ public UserModel authenticate(HttpServletRequest httpRequest, boolean requiresCertificate) {
// try to authenticate by certificate
boolean checkValidity = settings.getBoolean(Keys.git.enforceCertificateValidity, true);
String [] oids = getStrings(Keys.git.certificateUsernameOIDs).toArray(new String[0]);
@@ -574,38 +591,84 @@
if (model != null) {
// grab real user model and preserve certificate serial number
UserModel user = getUserModel(model.username);
+ X509Metadata metadata = HttpUtils.getCertificateMetadata(httpRequest);
if (user != null) {
- RequestCycle requestCycle = RequestCycle.get();
- if (requestCycle != null) {
- // flag the Wicket session, if this is a Wicket request
- GitBlitWebSession session = GitBlitWebSession.get();
- session.authenticationType = AuthenticationType.CERTIFICATE;
- }
- X509Metadata metadata = HttpUtils.getCertificateMetadata(httpRequest);
+ flagWicketSession(AuthenticationType.CERTIFICATE);
logger.info(MessageFormat.format("{0} authenticated by client certificate {1} from {2}",
user.username, metadata.serialNumber, httpRequest.getRemoteAddr()));
return user;
+ } else {
+ logger.warn(MessageFormat.format("Failed to find UserModel for {0}, attempted client certificate ({1}) authentication from {2}",
+ model.username, metadata.serialNumber, httpRequest.getRemoteAddr()));
+ }
+ }
+
+ if (requiresCertificate) {
+ // caller requires client certificate authentication (e.g. git servlet)
+ return null;
+ }
+
+ // try to authenticate by servlet container principal
+ Principal principal = httpRequest.getUserPrincipal();
+ if (principal != null) {
+ UserModel user = getUserModel(principal.getName());
+ if (user != null) {
+ flagWicketSession(AuthenticationType.CONTAINER);
+ logger.info(MessageFormat.format("{0} authenticated by servlet container principal from {1}",
+ user.username, httpRequest.getRemoteAddr()));
+ return user;
+ } else {
+ logger.warn(MessageFormat.format("Failed to find UserModel for {0}, attempted servlet container authentication from {1}",
+ principal.getName(), httpRequest.getRemoteAddr()));
}
}
// try to authenticate by cookie
- Cookie[] cookies = httpRequest.getCookies();
- if (allowCookieAuthentication() && cookies != null && cookies.length > 0) {
- // Grab cookie from Browser Session
- UserModel user = authenticate(cookies);
+ if (allowCookieAuthentication()) {
+ UserModel user = authenticate(httpRequest.getCookies());
if (user != null) {
- RequestCycle requestCycle = RequestCycle.get();
- if (requestCycle != null) {
- // flag the Wicket session, if this is a Wicket request
- GitBlitWebSession session = GitBlitWebSession.get();
- session.authenticationType = AuthenticationType.COOKIE;
- }
+ flagWicketSession(AuthenticationType.COOKIE);
logger.info(MessageFormat.format("{0} authenticated by cookie from {1}",
user.username, httpRequest.getRemoteAddr()));
return user;
}
}
+
+ // try to authenticate by BASIC
+ final String authorization = httpRequest.getHeader("Authorization");
+ if (authorization != null && authorization.startsWith("Basic")) {
+ // Authorization: Basic base64credentials
+ String base64Credentials = authorization.substring("Basic".length()).trim();
+ String credentials = new String(Base64.decode(base64Credentials),
+ Charset.forName("UTF-8"));
+ // credentials = username:password
+ final String[] values = credentials.split(":",2);
+
+ if (values.length == 2) {
+ String username = values[0];
+ char[] password = values[1].toCharArray();
+ UserModel user = authenticate(username, password);
+ if (user != null) {
+ flagWicketSession(AuthenticationType.CREDENTIALS);
+ logger.info(MessageFormat.format("{0} authenticated by BASIC request header from {1}",
+ user.username, httpRequest.getRemoteAddr()));
+ return user;
+ } else {
+ logger.warn(MessageFormat.format("Failed login attempt for {0}, invalid credentials ({1}) from {2}",
+ username, credentials, httpRequest.getRemoteAddr()));
+ }
+ }
+ }
return null;
+ }
+
+ protected void flagWicketSession(AuthenticationType authenticationType) {
+ RequestCycle requestCycle = RequestCycle.get();
+ if (requestCycle != null) {
+ // flag the Wicket session, if this is a Wicket request
+ GitBlitWebSession session = GitBlitWebSession.get();
+ session.authenticationType = authenticationType;
+ }
}
/**
@@ -693,6 +756,9 @@
* @return true if successful
*/
public boolean deleteUser(String username) {
+ if (StringUtils.isEmpty(username)) {
+ return false;
+ }
return userService.deleteUser(username);
}
@@ -704,6 +770,9 @@
* @return a user object or null
*/
public UserModel getUserModel(String username) {
+ if (StringUtils.isEmpty(username)) {
+ return null;
+ }
UserModel user = userService.getUserModel(username);
return user;
}
--
Gitblit v1.9.1