/
MockTokenServerTransport.java
274 lines (248 loc) · 11.2 KB
/
MockTokenServerTransport.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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/*
* Copyright 2015, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.google.auth.oauth2;
import com.google.api.client.http.LowLevelHttpRequest;
import com.google.api.client.http.LowLevelHttpResponse;
import com.google.api.client.json.GenericJson;
import com.google.api.client.json.Json;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.client.json.webtoken.JsonWebSignature;
import com.google.api.client.testing.http.MockHttpTransport;
import com.google.api.client.testing.http.MockLowLevelHttpRequest;
import com.google.api.client.testing.http.MockLowLevelHttpResponse;
import com.google.auth.TestUtils;
import com.google.common.util.concurrent.Futures;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayDeque;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
/** Mock transport to simulate providing Google OAuth2 access tokens */
public class MockTokenServerTransport extends MockHttpTransport {
public static final String REFRESH_TOKEN_WITH_USER_SCOPE = "refresh_token_with_user.email_scope";
static final String EXPECTED_GRANT_TYPE = "urn:ietf:params:oauth:grant-type:jwt-bearer";
static final JsonFactory JSON_FACTORY = new GsonFactory();
int buildRequestCount;
final Map<String, String> clients = new HashMap<String, String>();
final Map<String, String> refreshTokens = new HashMap<String, String>();
final Map<String, String> serviceAccounts = new HashMap<String, String>();
final Map<String, String> codes = new HashMap<String, String>();
URI tokenServerUri = OAuth2Utils.TOKEN_SERVER_URI;
private IOException error;
private final Queue<Future<LowLevelHttpResponse>> responseSequence = new ArrayDeque<>();
private int expiresInSeconds = 3600;
public MockTokenServerTransport() {}
public URI getTokenServerUri() {
return tokenServerUri;
}
public void setTokenServerUri(URI tokenServerUri) {
this.tokenServerUri = tokenServerUri;
}
public void addAuthorizationCode(String code, String refreshToken, String accessToken) {
codes.put(code, refreshToken);
refreshTokens.put(refreshToken, accessToken);
}
public void addClient(String clientId, String clientSecret) {
clients.put(clientId, clientSecret);
}
public void addRefreshToken(String refreshToken, String accessTokenToReturn) {
refreshTokens.put(refreshToken, accessTokenToReturn);
}
public void addServiceAccount(String email, String accessToken) {
serviceAccounts.put(email, accessToken);
}
public String getAccessToken(String refreshToken) {
return refreshTokens.get(refreshToken);
}
public void setError(IOException error) {
this.error = error;
}
public void addResponseErrorSequence(IOException... errors) {
for (IOException error : errors) {
responseSequence.add(Futures.<LowLevelHttpResponse>immediateFailedFuture(error));
}
}
public void addResponseSequence(LowLevelHttpResponse... responses) {
for (LowLevelHttpResponse response : responses) {
responseSequence.add(Futures.immediateFuture(response));
}
}
public void addResponseSequence(Future<LowLevelHttpResponse> response) {
responseSequence.add(response);
}
public void setExpiresInSeconds(int expiresInSeconds) {
this.expiresInSeconds = expiresInSeconds;
}
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
buildRequestCount++;
if (error != null) {
throw error;
}
int questionMarkPos = url.indexOf('?');
final String urlWithoutQuery = (questionMarkPos > 0) ? url.substring(0, questionMarkPos) : url;
final String query = (questionMarkPos > 0) ? url.substring(questionMarkPos + 1) : "";
if (!responseSequence.isEmpty()) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
try {
return responseSequence.poll().get();
} catch (ExecutionException e) {
Throwable cause = e.getCause();
throw (IOException) cause;
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException("Unexpectedly interrupted");
}
}
};
}
if (urlWithoutQuery.equals(tokenServerUri.toString())) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
if (!responseSequence.isEmpty()) {
try {
return responseSequence.poll().get();
} catch (ExecutionException e) {
Throwable cause = e.getCause();
throw (IOException) cause;
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException("Unexpectedly interrupted");
}
}
String content = this.getContentAsString();
Map<String, String> query = TestUtils.parseQuery(content);
String accessToken;
String refreshToken = null;
boolean generateAccessToken = true;
String foundId = query.get("client_id");
boolean isUserEmailScope = false;
if (foundId != null) {
if (!clients.containsKey(foundId)) {
throw new IOException("Client ID not found.");
}
String foundSecret = query.get("client_secret");
String expectedSecret = clients.get(foundId);
if (foundSecret == null || !foundSecret.equals(expectedSecret)) {
throw new IOException("Client secret not found.");
}
String grantType = query.get("grant_type");
if (grantType != null && grantType.equals("authorization_code")) {
String foundCode = query.get("code");
if (!codes.containsKey(foundCode)) {
throw new IOException("Authorization code not found");
}
refreshToken = codes.get(foundCode);
} else {
refreshToken = query.get("refresh_token");
}
if (!refreshTokens.containsKey(refreshToken)) {
throw new IOException("Refresh Token not found.");
}
if (refreshToken.equals(REFRESH_TOKEN_WITH_USER_SCOPE)) {
isUserEmailScope = true;
}
accessToken = refreshTokens.get(refreshToken);
} else if (query.containsKey("grant_type")) {
String grantType = query.get("grant_type");
if (!EXPECTED_GRANT_TYPE.equals(grantType)) {
throw new IOException("Unexpected Grant Type.");
}
String assertion = query.get("assertion");
JsonWebSignature signature = JsonWebSignature.parse(JSON_FACTORY, assertion);
String foundEmail = signature.getPayload().getIssuer();
if (!serviceAccounts.containsKey(foundEmail)) {
throw new IOException("Service Account Email not found as issuer.");
}
accessToken = serviceAccounts.get(foundEmail);
String foundTargetAudience = (String) signature.getPayload().get("target_audience");
String foundScopes = (String) signature.getPayload().get("scope");
if ((foundScopes == null || foundScopes.length() == 0)
&& (foundTargetAudience == null || foundTargetAudience.length() == 0)) {
throw new IOException("Either target_audience or scopes must be specified.");
}
if (foundScopes != null && foundTargetAudience != null) {
throw new IOException("Only one of target_audience or scopes must be specified.");
}
if (foundTargetAudience != null) {
generateAccessToken = false;
}
} else {
throw new IOException("Unknown token type.");
}
// Create the JSON response
// https://developers.google.com/identity/protocols/OpenIDConnect#server-flow
GenericJson responseContents = new GenericJson();
responseContents.setFactory(JSON_FACTORY);
responseContents.put("token_type", "Bearer");
responseContents.put("expires_in", expiresInSeconds);
if (generateAccessToken) {
responseContents.put("access_token", accessToken);
if (refreshToken != null) {
responseContents.put("refresh_token", refreshToken);
}
}
if (isUserEmailScope || !generateAccessToken) {
responseContents.put("id_token", ServiceAccountCredentialsTest.DEFAULT_ID_TOKEN);
}
String refreshText = responseContents.toPrettyString();
return new MockLowLevelHttpResponse()
.setContentType(Json.MEDIA_TYPE)
.setContent(refreshText);
}
};
} else if (urlWithoutQuery.equals(OAuth2Utils.TOKEN_REVOKE_URI.toString())) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
Map<String, String> parameters = TestUtils.parseQuery(this.getContentAsString());
String token = parameters.get("token");
if (token == null) {
throw new IOException("Token to revoke not found.");
}
// Token could be access token or refresh token so remove keys and values
refreshTokens.values().removeAll(Collections.singleton(token));
refreshTokens.remove(token);
return new MockLowLevelHttpResponse().setContentType(Json.MEDIA_TYPE);
}
};
}
return super.buildRequest(method, url);
}
}