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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/policy/component_cloud_policy_store.h" | |
6 | |
7 #include <map> | |
8 #include <set> | |
9 #include <string> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/files/scoped_temp_dir.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/sha1.h" | |
15 #include "chrome/browser/policy/cloud_policy_constants.h" | |
16 #include "chrome/browser/policy/policy_builder.h" | |
17 #include "chrome/browser/policy/proto/chrome_extension_policy.pb.h" | |
18 #include "chrome/browser/policy/proto/device_management_backend.pb.h" | |
19 #include "chrome/browser/policy/resource_cache.h" | |
20 #include "testing/gmock/include/gmock/gmock.h" | |
21 #include "testing/gtest/include/gtest/gtest.h" | |
22 | |
23 namespace em = enterprise_management; | |
24 | |
25 using testing::Mock; | |
26 | |
27 namespace policy { | |
28 | |
29 namespace { | |
30 | |
31 const char kTestExtension[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; | |
32 const char kTestDownload[] = "http://example.com/getpolicy?id=123"; | |
33 const char kTestPolicy[] = | |
34 "{" | |
35 " \"Name\": {" | |
36 " \"Value\": \"disabled\"" | |
37 " }," | |
38 " \"Second\": {" | |
39 " \"Value\": \"maybe\"," | |
40 " \"Level\": \"Recommended\"" | |
41 " }" | |
42 "}"; | |
43 | |
44 std::string TestPolicyHash() { | |
45 return base::SHA1HashString(kTestPolicy); | |
46 } | |
47 | |
48 class MockComponentCloudPolicyStoreDelegate | |
49 : public ComponentCloudPolicyStore::Delegate { | |
50 public: | |
51 virtual ~MockComponentCloudPolicyStoreDelegate() {} | |
52 | |
53 MOCK_METHOD0(OnComponentCloudPolicyStoreUpdated, void()); | |
54 }; | |
55 | |
56 } // namespace | |
57 | |
58 class ComponentCloudPolicyStoreTest : public testing::Test { | |
59 protected: | |
60 virtual void SetUp() OVERRIDE { | |
61 ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); | |
62 cache_.reset(new ResourceCache(temp_dir_.path())); | |
63 store_.reset(new ComponentCloudPolicyStore(&store_delegate_, cache_.get())); | |
64 store_->SetCredentials(ComponentPolicyBuilder::kFakeUsername, | |
65 ComponentPolicyBuilder::kFakeToken); | |
66 | |
67 builder_.policy_data().set_policy_type( | |
68 dm_protocol::kChromeExtensionPolicyType); | |
69 builder_.policy_data().set_settings_entity_id(kTestExtension); | |
70 builder_.payload().set_download_url(kTestDownload); | |
71 builder_.payload().set_secure_hash(TestPolicyHash()); | |
72 | |
73 PolicyNamespace ns(POLICY_DOMAIN_EXTENSIONS, kTestExtension); | |
74 PolicyMap& policy = expected_bundle_.Get(ns); | |
75 policy.Set("Name", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
76 base::Value::CreateStringValue("disabled")); | |
77 policy.Set("Second", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER, | |
78 base::Value::CreateStringValue("maybe")); | |
79 } | |
80 | |
81 // Returns true if the policy exposed by the |store_| is empty. | |
82 bool IsEmpty() { | |
83 return store_->policy().begin() == store_->policy().end(); | |
84 } | |
85 | |
86 scoped_ptr<em::PolicyFetchResponse> CreateResponse() { | |
87 builder_.Build(); | |
88 return make_scoped_ptr(new em::PolicyFetchResponse(builder_.policy())); | |
89 } | |
90 | |
91 std::string CreateSerializedResponse() { | |
92 builder_.Build(); | |
93 return builder_.GetBlob(); | |
94 } | |
95 | |
96 base::ScopedTempDir temp_dir_; | |
97 scoped_ptr<ResourceCache> cache_; | |
98 scoped_ptr<ComponentCloudPolicyStore> store_; | |
99 MockComponentCloudPolicyStoreDelegate store_delegate_; | |
100 ComponentPolicyBuilder builder_; | |
101 PolicyBundle expected_bundle_; | |
102 }; | |
103 | |
104 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicy) { | |
105 em::ExternalPolicyData payload; | |
106 PolicyNamespace ns; | |
107 EXPECT_TRUE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
108 EXPECT_EQ(POLICY_DOMAIN_EXTENSIONS, ns.domain); | |
109 EXPECT_EQ(kTestExtension, ns.component_id); | |
110 EXPECT_EQ(kTestDownload, payload.download_url()); | |
111 EXPECT_EQ(TestPolicyHash(), payload.secure_hash()); | |
112 } | |
113 | |
114 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyWrongUsername) { | |
115 builder_.policy_data().set_username("anotheruser@example.com"); | |
116 em::ExternalPolicyData payload; | |
117 PolicyNamespace ns; | |
118 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
119 } | |
120 | |
121 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyWrongDMToken) { | |
122 builder_.policy_data().set_request_token("notmytoken"); | |
123 em::ExternalPolicyData payload; | |
124 PolicyNamespace ns; | |
125 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
126 } | |
127 | |
128 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyBadType) { | |
129 builder_.policy_data().set_policy_type(dm_protocol::kChromeUserPolicyType); | |
130 em::ExternalPolicyData payload; | |
131 PolicyNamespace ns; | |
132 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
133 } | |
134 | |
135 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyBadDownloadUrl) { | |
136 builder_.payload().set_download_url("invalidurl"); | |
137 em::ExternalPolicyData payload; | |
138 PolicyNamespace ns; | |
139 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
140 } | |
141 | |
142 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyEmptyDownloadUrl) { | |
143 builder_.payload().clear_download_url(); | |
144 builder_.payload().clear_secure_hash(); | |
145 em::ExternalPolicyData payload; | |
146 PolicyNamespace ns; | |
147 // This is valid; it's how "no policy" is signalled to the client. | |
148 EXPECT_TRUE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
149 } | |
150 | |
151 TEST_F(ComponentCloudPolicyStoreTest, ValidatePolicyBadPayload) { | |
152 builder_.clear_payload(); | |
153 builder_.policy_data().set_policy_value("broken"); | |
154 em::ExternalPolicyData payload; | |
155 PolicyNamespace ns; | |
156 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
157 } | |
158 | |
159 TEST_F(ComponentCloudPolicyStoreTest, ValidateNoCredentials) { | |
160 store_.reset(new ComponentCloudPolicyStore(&store_delegate_, cache_.get())); | |
161 em::ExternalPolicyData payload; | |
162 PolicyNamespace ns; | |
163 EXPECT_FALSE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
164 } | |
165 | |
166 TEST_F(ComponentCloudPolicyStoreTest, ValidateWrongCredentials) { | |
167 em::ExternalPolicyData payload; | |
168 PolicyNamespace ns; | |
169 // Verify that the default response validates with the right credentials. | |
170 EXPECT_TRUE(store_->ValidatePolicy(CreateResponse(), &ns, &payload)); | |
171 // Now store that response. | |
172 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
173 EXPECT_TRUE(store_->Store( | |
174 ns, CreateSerializedResponse(), TestPolicyHash(), kTestPolicy)); | |
175 Mock::VerifyAndClearExpectations(&store_delegate_); | |
176 EXPECT_TRUE(store_->policy().Equals(expected_bundle_)); | |
177 // And verify that the response data in the cache. | |
178 std::map<std::string, std::string> contents; | |
179 cache_->LoadAllSubkeys("extension-policy", &contents); | |
180 EXPECT_FALSE(contents.empty()); | |
181 | |
182 // Try loading the cached response data with wrong credentials. | |
183 ComponentCloudPolicyStore another_store(&store_delegate_, cache_.get()); | |
184 another_store.SetCredentials("wrongdude@example.com", "wrongtoken"); | |
185 another_store.Load(); | |
186 const PolicyBundle empty_bundle; | |
187 EXPECT_TRUE(another_store.policy().Equals(empty_bundle)); | |
188 | |
189 // The failure to read wiped the cache. | |
190 cache_->LoadAllSubkeys("extension-policy", &contents); | |
191 EXPECT_TRUE(contents.empty()); | |
192 } | |
193 | |
194 TEST_F(ComponentCloudPolicyStoreTest, StoreAndLoad) { | |
195 // Initially empty. | |
196 EXPECT_TRUE(IsEmpty()); | |
197 store_->Load(); | |
198 EXPECT_TRUE(IsEmpty()); | |
199 | |
200 // Store policy for an unsupported domain. | |
201 PolicyNamespace ns(POLICY_DOMAIN_CHROME, kTestExtension); | |
202 builder_.policy_data().set_policy_type(dm_protocol::kChromeUserPolicyType); | |
203 EXPECT_FALSE(store_->Store( | |
204 ns, CreateSerializedResponse(), TestPolicyHash(), kTestPolicy)); | |
205 | |
206 // Store policy with the wrong hash. | |
207 builder_.policy_data().set_policy_type( | |
208 dm_protocol::kChromeExtensionPolicyType); | |
209 ns.domain = POLICY_DOMAIN_EXTENSIONS; | |
210 builder_.payload().set_secure_hash("badash"); | |
211 EXPECT_FALSE(store_->Store( | |
212 ns, CreateSerializedResponse(), "badash", kTestPolicy)); | |
213 | |
214 // Store policy without a hash. | |
215 builder_.payload().clear_secure_hash(); | |
216 EXPECT_FALSE(store_->Store( | |
217 ns, CreateSerializedResponse(), std::string(), kTestPolicy)); | |
218 | |
219 // Store policy with invalid JSON data. | |
220 static const char kInvalidData[] = "{ not json }"; | |
221 const std::string invalid_data_hash = base::SHA1HashString(kInvalidData); | |
222 builder_.payload().set_secure_hash(invalid_data_hash); | |
223 EXPECT_FALSE(store_->Store( | |
224 ns, CreateSerializedResponse(), invalid_data_hash, kInvalidData)); | |
225 | |
226 // All of those failed. | |
227 EXPECT_TRUE(IsEmpty()); | |
228 EXPECT_EQ(std::string(), store_->GetCachedHash(ns)); | |
229 | |
230 // Now store a valid policy. | |
231 builder_.payload().set_secure_hash(TestPolicyHash()); | |
232 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
233 EXPECT_TRUE(store_->Store( | |
234 ns, CreateSerializedResponse(), TestPolicyHash(), kTestPolicy)); | |
235 Mock::VerifyAndClearExpectations(&store_delegate_); | |
236 EXPECT_FALSE(IsEmpty()); | |
237 EXPECT_TRUE(store_->policy().Equals(expected_bundle_)); | |
238 EXPECT_EQ(TestPolicyHash(), store_->GetCachedHash(ns)); | |
239 | |
240 // Loading from the cache validates the policy data again. | |
241 ComponentCloudPolicyStore another_store(&store_delegate_, cache_.get()); | |
242 another_store.SetCredentials(ComponentPolicyBuilder::kFakeUsername, | |
243 ComponentPolicyBuilder::kFakeToken); | |
244 another_store.Load(); | |
245 EXPECT_TRUE(another_store.policy().Equals(expected_bundle_)); | |
246 EXPECT_EQ(TestPolicyHash(), another_store.GetCachedHash(ns)); | |
247 } | |
248 | |
249 TEST_F(ComponentCloudPolicyStoreTest, Updates) { | |
250 // Store some policies. | |
251 PolicyNamespace ns(POLICY_DOMAIN_EXTENSIONS, kTestExtension); | |
252 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
253 EXPECT_TRUE(store_->Store( | |
254 ns, CreateSerializedResponse(), TestPolicyHash(), kTestPolicy)); | |
255 Mock::VerifyAndClearExpectations(&store_delegate_); | |
256 EXPECT_FALSE(IsEmpty()); | |
257 EXPECT_TRUE(store_->policy().Equals(expected_bundle_)); | |
258 | |
259 // Deleting a non-existant namespace doesn't trigger updates. | |
260 PolicyNamespace ns_fake(POLICY_DOMAIN_EXTENSIONS, "nosuchid"); | |
261 store_->Delete(ns_fake); | |
262 Mock::VerifyAndClearExpectations(&store_delegate_); | |
263 | |
264 // Deleting a namespace that has policies triggers an update. | |
265 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
266 store_->Delete(ns); | |
267 Mock::VerifyAndClearExpectations(&store_delegate_); | |
268 } | |
269 | |
270 TEST_F(ComponentCloudPolicyStoreTest, Purge) { | |
271 // Store a valid policy. | |
272 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
273 PolicyNamespace ns(POLICY_DOMAIN_EXTENSIONS, kTestExtension); | |
274 EXPECT_TRUE(store_->Store( | |
275 ns, CreateSerializedResponse(), TestPolicyHash(), kTestPolicy)); | |
276 Mock::VerifyAndClearExpectations(&store_delegate_); | |
277 EXPECT_FALSE(IsEmpty()); | |
278 EXPECT_TRUE(store_->policy().Equals(expected_bundle_)); | |
279 | |
280 // Purge other namespaces. | |
281 std::set<std::string> keep; | |
282 keep.insert(kTestExtension); | |
283 store_->Purge(POLICY_DOMAIN_EXTENSIONS, keep); | |
284 | |
285 // The policy for |ns| is still served. | |
286 EXPECT_TRUE(store_->policy().Equals(expected_bundle_)); | |
287 | |
288 // Loading the store again will still see |ns|. | |
289 ComponentCloudPolicyStore another_store(&store_delegate_, cache_.get()); | |
290 const PolicyBundle empty_bundle; | |
291 EXPECT_TRUE(another_store.policy().Equals(empty_bundle)); | |
292 another_store.SetCredentials(ComponentPolicyBuilder::kFakeUsername, | |
293 ComponentPolicyBuilder::kFakeToken); | |
294 another_store.Load(); | |
295 EXPECT_TRUE(another_store.policy().Equals(expected_bundle_)); | |
296 | |
297 // Now purge everything. | |
298 EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()); | |
299 keep.clear(); | |
300 store_->Purge(POLICY_DOMAIN_EXTENSIONS, keep); | |
301 Mock::VerifyAndClearExpectations(&store_delegate_); | |
302 | |
303 // No policies are served anymore. | |
304 EXPECT_TRUE(store_->policy().Equals(empty_bundle)); | |
305 | |
306 // And they aren't loaded anymore either. | |
307 ComponentCloudPolicyStore yet_another_store(&store_delegate_, cache_.get()); | |
308 yet_another_store.SetCredentials(ComponentPolicyBuilder::kFakeUsername, | |
309 ComponentPolicyBuilder::kFakeToken); | |
310 yet_another_store.Load(); | |
311 EXPECT_TRUE(yet_another_store.policy().Equals(empty_bundle)); | |
312 } | |
313 | |
314 } // namespace policy | |
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