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Side by Side Diff: chrome/browser/metrics/variations/variations_seed_store.cc

Issue 412943002: Move variations component code to variations namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 6 years, 5 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/metrics/variations/variations_seed_store.h" 5 #include "chrome/browser/metrics/variations/variations_seed_store.h"
6 6
7 #include "base/base64.h" 7 #include "base/base64.h"
8 #include "base/metrics/histogram.h" 8 #include "base/metrics/histogram.h"
9 #include "base/prefs/pref_registry_simple.h" 9 #include "base/prefs/pref_registry_simple.h"
10 #include "base/prefs/pref_service.h" 10 #include "base/prefs/pref_service.h"
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112 112
113 } // namespace 113 } // namespace
114 114
115 VariationsSeedStore::VariationsSeedStore(PrefService* local_state) 115 VariationsSeedStore::VariationsSeedStore(PrefService* local_state)
116 : local_state_(local_state) { 116 : local_state_(local_state) {
117 } 117 }
118 118
119 VariationsSeedStore::~VariationsSeedStore() { 119 VariationsSeedStore::~VariationsSeedStore() {
120 } 120 }
121 121
122 bool VariationsSeedStore::LoadSeed(VariationsSeed* seed) { 122 bool VariationsSeedStore::LoadSeed(variations::VariationsSeed* seed) {
123 const std::string base64_seed_data = 123 const std::string base64_seed_data =
124 local_state_->GetString(prefs::kVariationsSeed); 124 local_state_->GetString(prefs::kVariationsSeed);
125 if (base64_seed_data.empty()) { 125 if (base64_seed_data.empty()) {
126 RecordVariationSeedEmptyHistogram(VARIATIONS_SEED_EMPTY); 126 RecordVariationSeedEmptyHistogram(VARIATIONS_SEED_EMPTY);
127 return false; 127 return false;
128 } 128 }
129 129
130 // If the decode process fails, assume the pref value is corrupt and clear it. 130 // If the decode process fails, assume the pref value is corrupt and clear it.
131 std::string seed_data; 131 std::string seed_data;
132 if (!base::Base64Decode(base64_seed_data, &seed_data) || 132 if (!base::Base64Decode(base64_seed_data, &seed_data) ||
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156 156
157 variations_serial_number_ = seed->serial_number(); 157 variations_serial_number_ = seed->serial_number();
158 RecordVariationSeedEmptyHistogram(VARIATIONS_SEED_NOT_EMPTY); 158 RecordVariationSeedEmptyHistogram(VARIATIONS_SEED_NOT_EMPTY);
159 return true; 159 return true;
160 } 160 }
161 161
162 bool VariationsSeedStore::StoreSeedData( 162 bool VariationsSeedStore::StoreSeedData(
163 const std::string& seed_data, 163 const std::string& seed_data,
164 const std::string& base64_seed_signature, 164 const std::string& base64_seed_signature,
165 const base::Time& date_fetched, 165 const base::Time& date_fetched,
166 VariationsSeed* parsed_seed) { 166 variations::VariationsSeed* parsed_seed) {
167 if (seed_data.empty()) { 167 if (seed_data.empty()) {
168 VLOG(1) << "Variations seed data is empty, rejecting the seed."; 168 VLOG(1) << "Variations seed data is empty, rejecting the seed.";
169 return false; 169 return false;
170 } 170 }
171 171
172 // Only store the seed data if it parses correctly. 172 // Only store the seed data if it parses correctly.
173 VariationsSeed seed; 173 variations::VariationsSeed seed;
174 if (!seed.ParseFromString(seed_data)) { 174 if (!seed.ParseFromString(seed_data)) {
175 VLOG(1) << "Variations seed data is not in valid proto format, " 175 VLOG(1) << "Variations seed data is not in valid proto format, "
176 << "rejecting the seed."; 176 << "rejecting the seed.";
177 return false; 177 return false;
178 } 178 }
179 179
180 const VerifySignatureResult result = 180 const VerifySignatureResult result =
181 VerifySeedSignature(seed_data, base64_seed_signature); 181 VerifySeedSignature(seed_data, base64_seed_signature);
182 if (result != VARIATIONS_SEED_SIGNATURE_ENUM_SIZE) { 182 if (result != VARIATIONS_SEED_SIGNATURE_ENUM_SIZE) {
183 UMA_HISTOGRAM_ENUMERATION("Variations.StoreSeedSignature", result, 183 UMA_HISTOGRAM_ENUMERATION("Variations.StoreSeedSignature", result,
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266 } 266 }
267 267
268 verifier.VerifyUpdate(reinterpret_cast<const uint8*>(seed_bytes.data()), 268 verifier.VerifyUpdate(reinterpret_cast<const uint8*>(seed_bytes.data()),
269 seed_bytes.size()); 269 seed_bytes.size());
270 if (verifier.VerifyFinal()) 270 if (verifier.VerifyFinal())
271 return VARIATIONS_SEED_SIGNATURE_VALID; 271 return VARIATIONS_SEED_SIGNATURE_VALID;
272 return VARIATIONS_SEED_SIGNATURE_INVALID_SEED; 272 return VARIATIONS_SEED_SIGNATURE_INVALID_SEED;
273 } 273 }
274 274
275 } // namespace chrome_variations 275 } // namespace chrome_variations
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