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
48
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
|
// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.auth.ldap;
import com.google.gerrit.common.data.ParameterizedString;
import com.google.gerrit.metrics.Timer0;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.PartialResultException;
import javax.naming.directory.Attribute;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.DirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
/** Supports issuing parameterized queries against an LDAP data source. */
class LdapQuery {
static final Set<String> ALL_ATTRIBUTES = null;
private final String base;
private final SearchScope searchScope;
private final ParameterizedString pattern;
private final String[] returnAttributes;
LdapQuery(
final String base,
final SearchScope searchScope,
final ParameterizedString pattern,
final Set<String> returnAttributes) {
this.base = base;
this.searchScope = searchScope;
this.pattern = pattern;
if (returnAttributes != null) {
this.returnAttributes = new String[returnAttributes.size()];
returnAttributes.toArray(this.returnAttributes);
} else {
this.returnAttributes = null;
}
}
List<String> getParameters() {
return pattern.getParameterNames();
}
List<Result> query(DirContext ctx, Map<String, String> params, Timer0 queryTimer)
throws NamingException {
final SearchControls sc = new SearchControls();
final NamingEnumeration<SearchResult> res;
sc.setSearchScope(searchScope.scope());
sc.setReturningAttributes(returnAttributes);
try (Timer0.Context ignored = queryTimer.start()) {
res = ctx.search(base, pattern.getRawPattern(), pattern.bind(params), sc);
}
try {
final List<Result> r = new ArrayList<>();
try {
while (res.hasMore()) {
r.add(new Result(res.next()));
}
} catch (PartialResultException e) {
// Ignored
}
return r;
} finally {
res.close();
}
}
class Result {
private final Map<String, Attribute> atts = new HashMap<>();
Result(SearchResult sr) {
if (returnAttributes != null) {
for (String attName : returnAttributes) {
final Attribute a = sr.getAttributes().get(attName);
if (a != null && a.size() > 0) {
atts.put(attName, a);
}
}
} else {
NamingEnumeration<? extends Attribute> e = sr.getAttributes().getAll();
while (e.hasMoreElements()) {
final Attribute a = e.nextElement();
atts.put(a.getID(), a);
}
}
atts.put("dn", new BasicAttribute("dn", sr.getNameInNamespace()));
}
String getDN() throws NamingException {
return get("dn");
}
String get(String attName) throws NamingException {
final Attribute att = getAll(attName);
return att != null && 0 < att.size() ? String.valueOf(att.get(0)) : null;
}
Attribute getAll(String attName) {
return atts.get(attName);
}
Set<String> attributes() {
return Collections.unmodifiableSet(atts.keySet());
}
@Override
public String toString() {
try {
return getDN();
} catch (NamingException e) {
return "";
}
}
}
}
|
