1 package org
.argeo
.cms
.internal
.kernel
;
3 import static org
.argeo
.cms
.auth
.AuthConstants
.LOGIN_CONTEXT_USER
;
5 import java
.io
.IOException
;
6 import java
.io
.Serializable
;
8 import java
.security
.PrivilegedActionException
;
9 import java
.security
.PrivilegedExceptionAction
;
10 import java
.util
.Properties
;
11 import java
.util
.StringTokenizer
;
13 import javax
.jcr
.Repository
;
14 import javax
.jcr
.RepositoryException
;
15 import javax
.jcr
.Session
;
16 import javax
.security
.auth
.Subject
;
17 import javax
.security
.auth
.callback
.Callback
;
18 import javax
.security
.auth
.callback
.CallbackHandler
;
19 import javax
.security
.auth
.callback
.NameCallback
;
20 import javax
.security
.auth
.callback
.PasswordCallback
;
21 import javax
.security
.auth
.login
.CredentialNotFoundException
;
22 import javax
.security
.auth
.login
.LoginContext
;
23 import javax
.security
.auth
.login
.LoginException
;
24 import javax
.servlet
.ServletException
;
25 import javax
.servlet
.http
.HttpServletRequest
;
26 import javax
.servlet
.http
.HttpServletResponse
;
28 import org
.apache
.commons
.codec
.binary
.Base64
;
29 import org
.apache
.commons
.logging
.Log
;
30 import org
.apache
.commons
.logging
.LogFactory
;
31 import org
.apache
.jackrabbit
.server
.SessionProvider
;
32 import org
.apache
.jackrabbit
.server
.remoting
.davex
.JcrRemotingServlet
;
33 import org
.apache
.jackrabbit
.webdav
.simple
.SimpleWebdavServlet
;
34 import org
.argeo
.cms
.CmsException
;
35 import org
.argeo
.cms
.auth
.AuthConstants
;
36 import org
.argeo
.cms
.auth
.HttpRequestCallback
;
37 import org
.argeo
.cms
.auth
.HttpRequestCallbackHandler
;
38 import org
.argeo
.jcr
.ArgeoJcrConstants
;
39 import org
.argeo
.jcr
.JcrUtils
;
40 import org
.osgi
.service
.http
.HttpContext
;
41 import org
.osgi
.service
.http
.HttpService
;
42 import org
.osgi
.service
.http
.NamespaceException
;
43 import org
.osgi
.service
.useradmin
.Authorization
;
46 * Intercepts and enriches http access, mainly focusing on security and
49 class DataHttp
implements KernelConstants
, ArgeoJcrConstants
{
50 private final static Log log
= LogFactory
.getLog(DataHttp
.class);
52 // private final static String ATTR_AUTH = "auth";
53 private final static String HEADER_AUTHORIZATION
= "Authorization";
54 private final static String HEADER_WWW_AUTHENTICATE
= "WWW-Authenticate";
56 private final HttpService httpService
;
58 // FIXME Make it more unique
59 private String httpAuthRealm
= "Argeo";
61 // WebDav / JCR remoting
62 private OpenInViewSessionProvider sessionProvider
;
64 DataHttp(HttpService httpService
, NodeRepository node
) {
65 this.httpService
= httpService
;
66 sessionProvider
= new OpenInViewSessionProvider();
67 // registerRepositoryServlets(ALIAS_NODE, node);
70 public void destroy() {
71 // unregisterRepositoryServlets(ALIAS_NODE);
74 void registerRepositoryServlets(String alias
, Repository repository
) {
76 registerWebdavServlet(alias
, repository
, true);
77 registerWebdavServlet(alias
, repository
, false);
78 registerRemotingServlet(alias
, repository
, true);
79 registerRemotingServlet(alias
, repository
, false);
80 } catch (Exception e
) {
81 throw new CmsException(
82 "Could not register servlets for repository " + alias
, e
);
86 void unregisterRepositoryServlets(String alias
) {
87 // FIXME unregister servlets
90 void registerWebdavServlet(String alias
, Repository repository
,
91 boolean anonymous
) throws NamespaceException
, ServletException
{
92 WebdavServlet webdavServlet
= new WebdavServlet(repository
,
94 String pathPrefix
= anonymous ? WEBDAV_PUBLIC
: WEBDAV_PRIVATE
;
95 String path
= pathPrefix
+ "/" + alias
;
96 Properties ip
= new Properties();
97 ip
.setProperty(WebdavServlet
.INIT_PARAM_RESOURCE_CONFIG
, WEBDAV_CONFIG
);
98 ip
.setProperty(WebdavServlet
.INIT_PARAM_RESOURCE_PATH_PREFIX
, path
);
99 httpService
.registerServlet(path
, webdavServlet
, ip
,
100 new DataHttpContext(anonymous
));
103 void registerRemotingServlet(String alias
, Repository repository
,
104 boolean anonymous
) throws NamespaceException
, ServletException
{
105 String pathPrefix
= anonymous ? REMOTING_PUBLIC
: REMOTING_PRIVATE
;
106 RemotingServlet remotingServlet
= new RemotingServlet(repository
,
108 String path
= pathPrefix
+ "/" + alias
;
109 Properties ip
= new Properties();
110 ip
.setProperty(JcrRemotingServlet
.INIT_PARAM_RESOURCE_PATH_PREFIX
, path
);
112 // Looks like a bug in Jackrabbit remoting init
113 ip
.setProperty(RemotingServlet
.INIT_PARAM_HOME
,
114 KernelUtils
.getOsgiInstanceDir() + "/tmp/jackrabbit");
115 ip
.setProperty(RemotingServlet
.INIT_PARAM_TMP_DIRECTORY
, "remoting");
116 // in order to avoid annoying warning.
117 ip
.setProperty(RemotingServlet
.INIT_PARAM_PROTECTED_HANDLERS_CONFIG
, "");
118 httpService
.registerServlet(path
, remotingServlet
, ip
,
119 new DataHttpContext(anonymous
));
122 private Subject
subjectFromRequest(HttpServletRequest request
) {
123 Authorization authorization
= (Authorization
) request
124 .getAttribute(HttpContext
.AUTHORIZATION
);
125 if (authorization
== null)
126 throw new CmsException("Not authenticated");
128 LoginContext lc
= new LoginContext(
129 AuthConstants
.LOGIN_CONTEXT_USER
,
130 new HttpRequestCallbackHandler(request
));
132 return lc
.getSubject();
133 } catch (LoginException e
) {
134 throw new CmsException("Cannot login", e
);
138 private class DataHttpContext
implements HttpContext
{
139 private final boolean anonymous
;
141 DataHttpContext(boolean anonymous
) {
142 this.anonymous
= anonymous
;
146 public boolean handleSecurity(final HttpServletRequest request
,
147 HttpServletResponse response
) throws IOException
{
150 Subject subject
= KernelUtils
.anonymousLogin();
151 Authorization authorization
= subject
152 .getPrivateCredentials(Authorization
.class).iterator()
154 request
.setAttribute(REMOTE_USER
, AuthConstants
.ROLE_ANONYMOUS
);
155 request
.setAttribute(AUTHORIZATION
, authorization
);
159 if (log
.isTraceEnabled())
160 KernelUtils
.logRequestHeaders(log
, request
);
162 new LoginContext(LOGIN_CONTEXT_USER
,
163 new HttpRequestCallbackHandler(request
)).login();
165 } catch (CredentialNotFoundException e
) {
166 CallbackHandler token
= basicAuth(request
);
169 LoginContext lc
= new LoginContext(LOGIN_CONTEXT_USER
,
172 // Note: this is impossible to reliably clear the
173 // authorization header when access from a browser.
175 } catch (LoginException e1
) {
176 throw new CmsException("Could not login", e1
);
179 requestBasicAuth(request
, response
);
182 } catch (LoginException e
) {
183 throw new CmsException("Could not login", e
);
188 public URL
getResource(String name
) {
189 return Activator
.getBundleContext().getBundle().getResource(name
);
193 public String
getMimeType(String name
) {
197 private void requestBasicAuth(HttpServletRequest request
,
198 HttpServletResponse response
) {
199 response
.setStatus(401);
200 response
.setHeader(HEADER_WWW_AUTHENTICATE
, "basic realm=\""
201 + httpAuthRealm
+ "\"");
202 // request.getSession().setAttribute(ATTR_AUTH, Boolean.TRUE);
205 private CallbackHandler
basicAuth(final HttpServletRequest httpRequest
) {
206 String authHeader
= httpRequest
.getHeader(HEADER_AUTHORIZATION
);
207 if (authHeader
!= null) {
208 StringTokenizer st
= new StringTokenizer(authHeader
);
209 if (st
.hasMoreTokens()) {
210 String basic
= st
.nextToken();
211 if (basic
.equalsIgnoreCase("Basic")) {
213 // TODO manipulate char[]
214 String credentials
= new String(
215 Base64
.decodeBase64(st
.nextToken()),
217 // log.debug("Credentials: " + credentials);
218 int p
= credentials
.indexOf(":");
220 final String login
= credentials
221 .substring(0, p
).trim();
222 final char[] password
= credentials
223 .substring(p
+ 1).trim().toCharArray();
224 return new CallbackHandler() {
225 public void handle(Callback
[] callbacks
) {
226 for (Callback cb
: callbacks
) {
227 if (cb
instanceof NameCallback
)
230 else if (cb
instanceof PasswordCallback
)
231 ((PasswordCallback
) cb
)
232 .setPassword(password
);
233 else if (cb
instanceof HttpRequestCallback
)
234 ((HttpRequestCallback
) cb
)
235 .setRequest(httpRequest
);
240 throw new CmsException(
241 "Invalid authentication token");
243 } catch (Exception e
) {
244 throw new CmsException(
245 "Couldn't retrieve authentication", e
);
256 * Implements an open session in view patter: a new JCR session is created
259 private class OpenInViewSessionProvider
implements SessionProvider
,
261 private static final long serialVersionUID
= 2270957712453841368L;
263 public Session
getSession(HttpServletRequest request
, Repository rep
,
264 String workspace
) throws javax
.jcr
.LoginException
,
265 ServletException
, RepositoryException
{
266 return login(request
, rep
, workspace
);
269 protected Session
login(HttpServletRequest request
,
270 Repository repository
, String workspace
)
271 throws RepositoryException
{
272 if (log
.isTraceEnabled())
273 log
.trace("Login to workspace "
274 + (workspace
== null ?
"<default>" : workspace
)
275 + " in web session " + request
.getSession().getId());
276 return repository
.login(workspace
);
279 public void releaseSession(Session session
) {
280 JcrUtils
.logoutQuietly(session
);
281 if (log
.isTraceEnabled())
282 log
.trace("Logged out remote JCR session " + session
);
286 private class WebdavServlet
extends SimpleWebdavServlet
{
287 private static final long serialVersionUID
= -4687354117811443881L;
288 private final Repository repository
;
290 public WebdavServlet(Repository repository
,
291 SessionProvider sessionProvider
) {
292 this.repository
= repository
;
293 setSessionProvider(sessionProvider
);
296 public Repository
getRepository() {
301 protected void service(final HttpServletRequest request
,
302 final HttpServletResponse response
) throws ServletException
,
305 Subject subject
= subjectFromRequest(request
);
306 Subject
.doAs(subject
, new PrivilegedExceptionAction
<Void
>() {
308 public Void
run() throws Exception
{
309 WebdavServlet
.super.service(request
, response
);
313 } catch (PrivilegedActionException e
) {
314 throw new CmsException("Cannot process webdav request",
320 private class RemotingServlet
extends JcrRemotingServlet
{
321 private static final long serialVersionUID
= 4605238259548058883L;
322 private final Repository repository
;
323 private final SessionProvider sessionProvider
;
325 public RemotingServlet(Repository repository
,
326 SessionProvider sessionProvider
) {
327 this.repository
= repository
;
328 this.sessionProvider
= sessionProvider
;
332 protected Repository
getRepository() {
337 protected SessionProvider
getSessionProvider() {
338 return sessionProvider
;
342 protected void service(final HttpServletRequest request
,
343 final HttpServletResponse response
) throws ServletException
,
346 Subject subject
= subjectFromRequest(request
);
347 Subject
.doAs(subject
, new PrivilegedExceptionAction
<Void
>() {
349 public Void
run() throws Exception
{
350 RemotingServlet
.super.service(request
, response
);
354 } catch (PrivilegedActionException e
) {
355 throw new CmsException("Cannot process JCR remoting request",