/
ImportUtils.java
executable file
·195 lines (166 loc) · 7.79 KB
/
ImportUtils.java
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
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
package org.keycloak.exportimport.util;
import org.codehaus.jackson.JsonFactory;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonToken;
import org.codehaus.jackson.map.ObjectMapper;
import org.jboss.logging.Logger;
import org.keycloak.Config;
import org.keycloak.exportimport.Strategy;
import org.keycloak.models.AdminRoles;
import org.keycloak.models.ClientModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.models.RealmProvider;
import org.keycloak.models.RoleModel;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.models.utils.RealmImporter;
import org.keycloak.models.utils.RepresentationToModel;
import org.keycloak.representations.idm.RealmRepresentation;
import org.keycloak.representations.idm.UserRepresentation;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
import org.keycloak.exportimport.ExportImportConfig;
/**
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class ImportUtils {
private static final Logger logger = Logger.getLogger(ImportUtils.class);
public static void importRealms(KeycloakSession session, Collection<RealmRepresentation> realms, Strategy strategy) {
// Import admin realm first
for (RealmRepresentation realm : realms) {
if (Config.getAdminRealm().equals(realm.getRealm())) {
importRealm(session, realm, strategy);
}
}
for (RealmRepresentation realm : realms) {
if (!Config.getAdminRealm().equals(realm.getRealm())) {
importRealm(session, realm, strategy);
}
}
}
/**
* Fully import realm from representation, save it to model and return model of newly created realm
*
* @param session
* @param rep
* @param strategy specifies whether to overwrite or ignore existing realm or user entries
* @return newly imported realm (or existing realm if ignoreExisting is true and realm of this name already exists)
*/
public static void importRealm(KeycloakSession session, RealmRepresentation rep, Strategy strategy) {
String realmName = rep.getRealm();
RealmProvider model = session.realms();
RealmModel realm = model.getRealmByName(realmName);
if (realm != null) {
if (strategy == Strategy.IGNORE_EXISTING) {
logger.infof("Realm '%s' already exists. Import skipped", realmName);
return;
} else {
logger.infof("Realm '%s' already exists. Removing it before import", realmName);
if (Config.getAdminRealm().equals(realm.getId())) {
// Delete all masterAdmin apps due to foreign key constraints
for (RealmModel currRealm : model.getRealms()) {
currRealm.setMasterAdminClient(null);
}
}
// TODO: For migration between versions, it should be possible to delete just realm but keep it's users
model.removeRealm(realm.getId());
}
}
RealmImporter realmManager = session.getContext().getRealmManager();
realm = realmManager.importRealm(rep);
if (System.getProperty(ExportImportConfig.ACTION) != null) {
logger.infof("Realm '%s' imported", realmName);
}
return;
}
/**
* Fully import realm (or more realms from particular stream)
*
* @param session
* @param mapper
* @param is
* @param strategy
* @throws IOException
*/
public static void importFromStream(KeycloakSession session, ObjectMapper mapper, InputStream is, Strategy strategy) throws IOException {
Map<String, RealmRepresentation> realmReps = getRealmsFromStream(mapper, is);
importRealms(session, realmReps.values(), strategy);
}
public static Map<String, RealmRepresentation> getRealmsFromStream(ObjectMapper mapper, InputStream is) throws IOException {
Map<String, RealmRepresentation> result = new HashMap<String, RealmRepresentation>();
JsonFactory factory = mapper.getJsonFactory();
JsonParser parser = factory.createJsonParser(is);
try {
parser.nextToken();
if (parser.getCurrentToken() == JsonToken.START_ARRAY) {
// Case with more realms in stream
parser.nextToken();
List<RealmRepresentation> realmReps = new ArrayList<RealmRepresentation>();
while (parser.getCurrentToken() == JsonToken.START_OBJECT) {
RealmRepresentation realmRep = parser.readValueAs(RealmRepresentation.class);
parser.nextToken();
// Ensure that master realm is imported first
if (Config.getAdminRealm().equals(realmRep.getRealm())) {
realmReps.add(0, realmRep);
} else {
realmReps.add(realmRep);
}
}
for (RealmRepresentation realmRep : realmReps) {
result.put(realmRep.getRealm(), realmRep);
}
} else if (parser.getCurrentToken() == JsonToken.START_OBJECT) {
// Case with single realm in stream
RealmRepresentation realmRep = parser.readValueAs(RealmRepresentation.class);
result.put(realmRep.getRealm(), realmRep);
}
} finally {
parser.close();
}
return result;
}
// Assuming that it's invoked inside transaction
public static void importUsersFromStream(KeycloakSession session, String realmName, ObjectMapper mapper, InputStream is) throws IOException {
RealmProvider model = session.realms();
JsonFactory factory = mapper.getJsonFactory();
JsonParser parser = factory.createJsonParser(is);
try {
parser.nextToken();
while (parser.nextToken() == JsonToken.FIELD_NAME) {
if ("realm".equals(parser.getText())) {
parser.nextToken();
String currRealmName = parser.getText();
if (!currRealmName.equals(realmName)) {
throw new IllegalStateException("Trying to import users into invalid realm. Realm name: " + realmName + ", Expected realm name: " + currRealmName);
}
} else if ("users".equals(parser.getText())) {
parser.nextToken();
if (parser.getCurrentToken() == JsonToken.START_ARRAY) {
parser.nextToken();
}
// TODO: support for more transactions per single users file (if needed)
List<UserRepresentation> userReps = new ArrayList<UserRepresentation>();
while (parser.getCurrentToken() == JsonToken.START_OBJECT) {
UserRepresentation user = parser.readValueAs(UserRepresentation.class);
userReps.add(user);
parser.nextToken();
}
importUsers(session, model, realmName, userReps);
if (parser.getCurrentToken() == JsonToken.END_ARRAY) {
parser.nextToken();
}
}
}
} finally {
parser.close();
}
}
private static void importUsers(KeycloakSession session, RealmProvider model, String realmName, List<UserRepresentation> userReps) {
RealmModel realm = model.getRealmByName(realmName);
Map<String, ClientModel> apps = realm.getClientNameMap();
for (UserRepresentation user : userReps) {
RepresentationToModel.createUser(session, realm, user, apps);
}
}
}