This repository has been archived by the owner on Jul 5, 2023. It is now read-only.
/
AuthenticationAuthority.java
250 lines (208 loc) · 9.54 KB
/
AuthenticationAuthority.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
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
222
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
250
// Copyright (c) Microsoft Corporation.
// All rights reserved.
//
// This code is licensed under the MIT License.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package com.microsoft.aad.adal4j;
import javax.net.ssl.SSLSocketFactory;
import java.net.Proxy;
import java.net.URL;
import java.util.Arrays;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Represents Authentication Authority responsible for issuing access tokens.
*/
class AuthenticationAuthority {
private final Logger log = LoggerFactory
.getLogger(AuthenticationAuthority.class);
private final static String[] TRUSTED_HOST_LIST = { "login.windows.net",
"login.chinacloudapi.cn", "login-us.microsoftonline.com", "login.microsoftonline.de",
"login.microsoftonline.com", "login.microsoftonline.us" };
private final static String TENANTLESS_TENANT_NAME = "common";
private final static String AUTHORIZE_ENDPOINT_TEMPLATE = "https://{host}/{tenant}/oauth2/authorize";
private final static String DISCOVERY_ENDPOINT = "common/discovery/instance";
private final static String TOKEN_ENDPOINT = "/oauth2/token";
private final static String USER_REALM_ENDPOINT = "common/userrealm";
final static String DEVICE_CODE_ENDPOINT = "/oauth2/devicecode";
private String host;
private String issuer;
private final String instanceDiscoveryEndpointFormat = "https://%s/"
+ DISCOVERY_ENDPOINT;
private final String userRealmEndpointFormat = "https://%s/"
+ USER_REALM_ENDPOINT + "/%s?api-version=1.0";
private final String tokenEndpointFormat = "https://%s/{tenant}"
+ TOKEN_ENDPOINT;
private final String devicecodeEndpointFormat = "https://%s/{tenant}"
+ DEVICE_CODE_ENDPOINT;
private String authority = "https://%s/%s/";
private String instanceDiscoveryEndpoint;
private String tokenEndpoint;
private String deviceCodeEndpoint;
private final AuthorityType authorityType;
private boolean isTenantless;
private String tokenUri;
private String selfSignedJwtAudience;
private boolean instanceDiscoveryCompleted;
private final URL authorityUrl;
private final boolean validateAuthority;
AuthenticationAuthority(final URL authorityUrl,
final boolean validateAuthority) {
this.authorityUrl = authorityUrl;
this.authorityType = detectAuthorityType();
this.validateAuthority = validateAuthority;
validateAuthorityUrl();
setupAuthorityProperties();
}
String getHost() {
return host;
}
String getIssuer() {
return issuer;
}
String getAuthority() {
return authority;
}
String getTokenEndpoint() {
return tokenEndpoint;
}
String getDeviceCodeEndpoint() { return deviceCodeEndpoint; }
String getUserRealmEndpoint(String username) {
return String.format(userRealmEndpointFormat, host, username);
}
AuthorityType getAuthorityType() {
return authorityType;
}
boolean isTenantless() {
return isTenantless;
}
String getTokenUri() {
return tokenUri;
}
String getSelfSignedJwtAudience() {
return selfSignedJwtAudience;
}
void setSelfSignedJwtAudience(final String selfSignedJwtAudience) {
this.selfSignedJwtAudience = selfSignedJwtAudience;
}
void doInstanceDiscovery(final Map<String, String> headers,
final Proxy proxy, final SSLSocketFactory sslSocketFactory)
throws Exception {
// instance discovery should be executed only once per context instance.
if (!instanceDiscoveryCompleted) {
// matching against static list failed
if (!doStaticInstanceDiscovery()) {
// if authority must be validated and dynamic discovery request
// as a fall back is success
if (validateAuthority
&& !doDynamicInstanceDiscovery(headers, proxy,
sslSocketFactory)) {
throw new AuthenticationException(
AuthenticationErrorMessage.AUTHORITY_NOT_IN_VALID_LIST);
}
}
String msg = LogHelper.createMessage(
"Instance discovery was successful",
headers.get(ClientDataHttpHeaders.CORRELATION_ID_HEADER_NAME));
log.info(msg);
instanceDiscoveryCompleted = true;
}
}
boolean doDynamicInstanceDiscovery(final Map<String, String> headers,
final Proxy proxy, final SSLSocketFactory sslSocketFactory)
throws Exception {
final String json = HttpHelper.executeHttpGet(log,
instanceDiscoveryEndpoint, headers, proxy, sslSocketFactory);
final InstanceDiscoveryResponse discoveryResponse = JsonHelper
.convertJsonToObject(json, InstanceDiscoveryResponse.class);
return !StringHelper.isBlank(discoveryResponse
.getTenantDiscoveryEndpoint());
}
boolean doStaticInstanceDiscovery() {
if (validateAuthority) {
return Arrays.asList(TRUSTED_HOST_LIST).contains(this.host);
}
return true;
}
void setupAuthorityProperties() {
final String host = this.authorityUrl.getAuthority().toLowerCase();
final String path = this.authorityUrl.getPath().substring(1)
.toLowerCase();
final String tenant = path.substring(0, path.indexOf("/"))
.toLowerCase();
this.host = host;
this.authority = String.format(this.authority, host, tenant);
this.instanceDiscoveryEndpoint = String.format(
this.instanceDiscoveryEndpointFormat, host);
this.tokenEndpoint = String.format(this.tokenEndpointFormat, host);
this.tokenEndpoint = this.tokenEndpoint.replace("{tenant}", tenant);
this.tokenUri = this.tokenEndpoint;
this.issuer = this.tokenUri;
this.deviceCodeEndpoint = String.format(this.devicecodeEndpointFormat, host);
this.deviceCodeEndpoint = this.deviceCodeEndpoint.replace("{tenant}", tenant);
this.isTenantless = TENANTLESS_TENANT_NAME.equalsIgnoreCase(tenant);
this.setSelfSignedJwtAudience(this.getIssuer());
this.createInstanceDiscoveryEndpoint(tenant);
}
AuthorityType detectAuthorityType() {
if (authorityUrl == null) {
throw new NullPointerException("authority");
}
final String path = authorityUrl.getPath().substring(1);
if (StringHelper.isBlank(path)) {
throw new IllegalArgumentException(
AuthenticationErrorMessage.AUTHORITY_URI_INVALID_PATH);
}
final String firstPath = path.substring(0, path.indexOf("/"));
final AuthorityType authorityType = isAdfsAuthority(firstPath) ? AuthorityType.ADFS
: AuthorityType.AAD;
return authorityType;
}
void validateAuthorityUrl() {
if (authorityType != AuthorityType.AAD && validateAuthority) {
throw new IllegalArgumentException(
AuthenticationErrorMessage.UNSUPPORTED_AUTHORITY_VALIDATION);
}
if (!this.authorityUrl.getProtocol().equalsIgnoreCase("https")) {
throw new IllegalArgumentException(
AuthenticationErrorMessage.AUTHORITY_URI_INSECURE);
}
if (this.authorityUrl.toString().contains("#")) {
throw new IllegalArgumentException(
"authority is invalid format (contains fragment)");
}
if (!StringHelper.isBlank(this.authorityUrl.getQuery())) {
throw new IllegalArgumentException(
"authority cannot contain query parameters");
}
}
void createInstanceDiscoveryEndpoint(final String tenant) {
this.instanceDiscoveryEndpoint += "?api-version=1.0&authorization_endpoint="
+ AUTHORIZE_ENDPOINT_TEMPLATE;
this.instanceDiscoveryEndpoint = this.instanceDiscoveryEndpoint
.replace("{host}", host);
this.instanceDiscoveryEndpoint = this.instanceDiscoveryEndpoint
.replace("{tenant}", tenant);
}
static boolean isAdfsAuthority(final String firstPath) {
return firstPath.compareToIgnoreCase("adfs") == 0;
}
}