Newer
Older
Patrick Dowler
committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*
************************************************************************
**** C A N A D I A N A S T R O N O M Y D A T A C E N T R E *****
*
* (c) 2010. (c) 2010.
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits reserves
*
* NRC disclaims any warranties Le CNRC denie toute garantie
* expressed, implied, or statu- enoncee, implicite ou legale,
* tory, of any kind with respect de quelque nature que se soit,
* to the software, including concernant le logiciel, y com-
* without limitation any war- pris sans restriction toute
* ranty of merchantability or garantie de valeur marchande
* fitness for a particular pur- ou de pertinence pour un usage
* pose. NRC shall not be liable particulier. Le CNRC ne
* in any event for any damages, pourra en aucun cas etre tenu
* whether direct or indirect, responsable de tout dommage,
* special or general, consequen- direct ou indirect, particul-
* tial or incidental, arising ier ou general, accessoire ou
* from the use of the software. fortuit, resultant de l'utili-
* sation du logiciel.
*
*
* @author majorb
*
* @version $Revision: $
*
*
**** C A N A D I A N A S T R O N O M Y D A T A C E N T R E *****
************************************************************************
*/
package ca.nrc.cadc.cred.server.actions;
import ca.nrc.cadc.auth.AuthenticationUtil;
import ca.nrc.cadc.auth.DelegationToken;
import ca.nrc.cadc.auth.HttpPrincipal;
import ca.nrc.cadc.auth.PrincipalExtractor;
import java.util.Map;
import javax.security.auth.x500.X500Principal;
import javax.servlet.http.HttpServletRequest;
import ca.nrc.cadc.auth.X509CertificateChain;
import ca.nrc.cadc.cred.server.CertificateDAO;
import ca.nrc.cadc.net.ResourceNotFoundException;
Patrick Dowler
committed
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
import ca.nrc.cadc.profiler.Profiler;
import java.security.Principal;
import java.util.HashSet;
import java.util.Set;
import javax.security.auth.Subject;
import org.apache.log4j.Logger;
/**
* Class used to construct the appropriate delegation action.
*
*/
public class DelegationActionFactory
{
private static final Logger log = Logger.getLogger(DelegationActionFactory.class);
// The HTTP Servlet request
private HttpServletRequest request;
// The set of trusted principals
private Map<X500Principal, Float> trustedPrincipals;
private String dataSource;
private String catalog;
private String schema;
/**
* Factory constructor.
*
* @param request
* @param trustedPrincipals
* @param dataSource
* @param catalog
* @param schema
*/
public DelegationActionFactory(HttpServletRequest request, Map<X500Principal, Float> trustedPrincipals,
String dataSource, String catalog, String schema)
{
this.request = request;
if ((trustedPrincipals == null) || trustedPrincipals.isEmpty())
{
throw new IllegalArgumentException("Null or empty trusted principals");
}
this.trustedPrincipals = trustedPrincipals;
this.dataSource = dataSource;
this.catalog = catalog;
this.schema = schema;
}
private CertificateDAO getDAO()
{
CertificateDAO.CertificateSchema config = new CertificateDAO.CertificateSchema(dataSource, catalog, schema);
return new CertificateDAO(config);
}
/**
* @return
* Return the appropriate delegation action for this request.
*/
public DelegationAction getDelegationAction()
{
Float daysValid = null;
X500Principal target = null;
// parameter for daysValid (compatibile with the old ProxyCertServlet)
String daysValidStr = request.getParameter("daysValid");
if (daysValidStr != null)
{
try
{
daysValid = new Float(daysValidStr);
if (daysValid < 0.0)
throw new IllegalArgumentException("invalid daysValid param:"
+ daysValidStr + " expected: number > 0.0");
}
catch (NumberFormatException ex)
{
throw new IllegalArgumentException("invalid daysValid param:"
+ daysValidStr + " expected: number > 0.0");
}
}
String resource = request.getPathInfo();
if (resource != null)
{
// TODO: switch to the ?idType= pattern instead of hiding it in the path
// not sure why whitespaces are not decode properly
resource = resource.replace("+", " ");
if (resource.startsWith("/"))
resource = resource.substring(1);
String[] pathElements = resource.split("/");
if (pathElements.length > 2)
{
return new NotFoundAction(null, trustedPrincipals);
}
if (pathElements[0].equalsIgnoreCase("dn"))
{
log.debug("GetProxyCertByDN: " + pathElements[1]);
target = new X500Principal(pathElements[1]);
}
else if (pathElements[0].equalsIgnoreCase("userid"))
{
log.debug("GetProxyCertByUserid: " + pathElements[1]);
try
{
target = getX500FromUserID(pathElements[1]);
}
catch(ResourceNotFoundException ex)
{
return new NotFoundAction(null, trustedPrincipals);
}
}
}
// target could be null
return new GetProxyCertByDN(target, daysValid, trustedPrincipals, getDAO());
}
protected X500Principal getX500FromUserID(final String userid)
throws ResourceNotFoundException
{
Profiler profiler = new Profiler(DelegationActionFactory.class);
// create subject with specified userid and augment with other identities
Subject s = AuthenticationUtil.getSubject(new PrincipalExtractor()
{
public Set<Principal> getPrincipals()
{
Set<Principal> ps = new HashSet<Principal>();
ps.add(new HttpPrincipal(userid));
return ps;
}
public X509CertificateChain getCertificateChain()
{
return null;
}
public DelegationToken getDelegationToken()
{
return null;
}
});
log.debug("augmented: " + s);
profiler.checkpoint("getUser");
Set<X500Principal> xp = s.getPrincipals(X500Principal.class);
if (xp != null && !xp.isEmpty())
{
X500Principal p = xp.iterator().next();
return p;
}
throw new ResourceNotFoundException("user not found: " + userid);
}
/**
* Action indicating that a resource could not be found.
*/
static final class NotFoundAction extends DelegationAction
{
public NotFoundAction(X500Principal name,
Map<X500Principal, Float> trustedPrincipals)
{
super(name, Float.MIN_VALUE, trustedPrincipals, null);
}
@Override
public X509CertificateChain getCertificate(X500Principal name)
throws Exception
{
throw new ResourceNotFoundException("not found: " + name.getName());
Patrick Dowler
committed
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
}
}
/**
* Action indicating that a request is not currently supported.
*/
static final class UnsupportedOperationAction extends
DelegationAction
{
public UnsupportedOperationAction(X500Principal name,
Map<X500Principal, Float> trustedPrincipals)
{
super(name, Float.MIN_VALUE, trustedPrincipals, null);
}
@Override
public X509CertificateChain getCertificate(X500Principal name)
throws Exception
{
throw new UnsupportedOperationException();
}
}
}