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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/extensions/convert_web_app.h" | 5 #include "chrome/browser/extensions/convert_web_app.h" |
| 6 | 6 |
| 7 #include <cmath> | 7 #include <cmath> |
| 8 #include <limits> | 8 #include <limits> |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/base64.h" | 12 #include "base/base64.h" |
| 13 #include "base/file_util.h" | 13 #include "base/file_util.h" |
| 14 #include "base/files/file_path.h" | 14 #include "base/files/file_path.h" |
| 15 #include "base/files/scoped_temp_dir.h" | 15 #include "base/files/scoped_temp_dir.h" |
| 16 #include "base/json/json_file_value_serializer.h" | 16 #include "base/json/json_file_value_serializer.h" |
| 17 #include "base/logging.h" | 17 #include "base/logging.h" |
| 18 #include "base/path_service.h" | 18 #include "base/path_service.h" |
| 19 #include "base/strings/stringprintf.h" | 19 #include "base/strings/stringprintf.h" |
| 20 #include "base/strings/utf_string_conversions.h" | 20 #include "base/strings/utf_string_conversions.h" |
| 21 #include "base/time/time.h" | 21 #include "base/time/time.h" |
| 22 #include "chrome/common/chrome_paths.h" | 22 #include "chrome/common/chrome_paths.h" |
| 23 #include "chrome/common/extensions/extension.h" | 23 #include "chrome/common/extensions/extension.h" |
| 24 #include "chrome/common/extensions/extension_file_util.h" | 24 #include "chrome/common/extensions/extension_file_util.h" |
| 25 #include "chrome/common/extensions/extension_manifest_constants.h" | |
| 26 #include "chrome/common/web_application_info.h" | 25 #include "chrome/common/web_application_info.h" |
| 27 #include "crypto/sha2.h" | 26 #include "crypto/sha2.h" |
| 28 #include "extensions/common/constants.h" | 27 #include "extensions/common/constants.h" |
| 28 #include "extensions/common/manifest_constants.h" |
| 29 #include "third_party/skia/include/core/SkBitmap.h" | 29 #include "third_party/skia/include/core/SkBitmap.h" |
| 30 #include "ui/gfx/codec/png_codec.h" | 30 #include "ui/gfx/codec/png_codec.h" |
| 31 #include "url/gurl.h" | 31 #include "url/gurl.h" |
| 32 | 32 |
| 33 namespace extensions { | 33 namespace extensions { |
| 34 | 34 |
| 35 namespace keys = extension_manifest_keys; | 35 namespace keys = manifest_keys; |
| 36 | 36 |
| 37 using base::Time; | 37 using base::Time; |
| 38 | 38 |
| 39 namespace { | 39 namespace { |
| 40 | 40 |
| 41 const char kIconsDirName[] = "icons"; | 41 const char kIconsDirName[] = "icons"; |
| 42 | 42 |
| 43 // Create the public key for the converted web app. | 43 // Create the public key for the converted web app. |
| 44 // | 44 // |
| 45 // Web apps are not signed, but the public key for an extension doubles as | 45 // Web apps are not signed, but the public key for an extension doubles as |
| 46 // its unique identity, and we need one of those. A web app's unique identity | 46 // its unique identity, and we need one of those. A web app's unique identity |
| 47 // is its manifest URL, so we hash that to create a public key. There will be | 47 // is its manifest URL, so we hash that to create a public key. There will be |
| 48 // no corresponding private key, which means that these extensions cannot be | 48 // no corresponding private key, which means that these extensions cannot be |
| 49 // auto-updated using ExtensionUpdater. But Chrome does notice updates to the | 49 // auto-updated using ExtensionUpdater. But Chrome does notice updates to the |
| 50 // manifest and regenerates these extensions. | 50 // manifest and regenerates these extensions. |
| 51 std::string GenerateKey(const GURL& manifest_url) { | 51 std::string GenerateKey(const GURL& manifest_url) { |
| 52 char raw[crypto::kSHA256Length] = {0}; | 52 char raw[crypto::kSHA256Length] = {0}; |
| 53 std::string key; | 53 std::string key; |
| 54 crypto::SHA256HashString(manifest_url.spec().c_str(), raw, | 54 crypto::SHA256HashString(manifest_url.spec().c_str(), raw, |
| 55 crypto::kSHA256Length); | 55 crypto::kSHA256Length); |
| 56 base::Base64Encode(std::string(raw, crypto::kSHA256Length), &key); | 56 base::Base64Encode(std::string(raw, crypto::kSHA256Length), &key); |
| 57 return key; | 57 return key; |
| 58 } | 58 } |
| 59 | 59 |
| 60 } // namespace | 60 } // namespace |
| 61 | 61 |
| 62 | |
| 63 // Generates a version for the converted app using the current date. This isn't | 62 // Generates a version for the converted app using the current date. This isn't |
| 64 // really needed, but it seems like useful information. | 63 // really needed, but it seems like useful information. |
| 65 std::string ConvertTimeToExtensionVersion(const Time& create_time) { | 64 std::string ConvertTimeToExtensionVersion(const Time& create_time) { |
| 66 Time::Exploded create_time_exploded; | 65 Time::Exploded create_time_exploded; |
| 67 create_time.UTCExplode(&create_time_exploded); | 66 create_time.UTCExplode(&create_time_exploded); |
| 68 | 67 |
| 69 double micros = static_cast<double>( | 68 double micros = static_cast<double>( |
| 70 (create_time_exploded.millisecond * Time::kMicrosecondsPerMillisecond) + | 69 (create_time_exploded.millisecond * Time::kMicrosecondsPerMillisecond) + |
| 71 (create_time_exploded.second * Time::kMicrosecondsPerSecond) + | 70 (create_time_exploded.second * Time::kMicrosecondsPerSecond) + |
| 72 (create_time_exploded.minute * Time::kMicrosecondsPerMinute) + | 71 (create_time_exploded.minute * Time::kMicrosecondsPerMinute) + |
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| 193 if (!extension.get()) { | 192 if (!extension.get()) { |
| 194 LOG(ERROR) << error; | 193 LOG(ERROR) << error; |
| 195 return NULL; | 194 return NULL; |
| 196 } | 195 } |
| 197 | 196 |
| 198 temp_dir.Take(); // The caller takes ownership of the directory. | 197 temp_dir.Take(); // The caller takes ownership of the directory. |
| 199 return extension; | 198 return extension; |
| 200 } | 199 } |
| 201 | 200 |
| 202 } // namespace extensions | 201 } // namespace extensions |
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