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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "chrome/browser/extensions/external_extension_loader.h" | 9 #include "chrome/browser/extensions/external_extension_loader.h" |
10 | 10 |
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22 public: | 22 public: |
23 enum Options { | 23 enum Options { |
24 NONE = 0, | 24 NONE = 0, |
25 | 25 |
26 // Ensure that only root can force an external install by checking | 26 // Ensure that only root can force an external install by checking |
27 // that all components of the path to external extensions files are | 27 // that all components of the path to external extensions files are |
28 // owned by root and not writable by any non-root user. | 28 // owned by root and not writable by any non-root user. |
29 ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0 | 29 ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0 |
30 }; | 30 }; |
31 | 31 |
32 // |base_path_key| is the directory containing the external_extensions.json | 32 // |base_path_id| is the directory containing the external_extensions.json |
33 // file. Relative file paths to extension files are resolved relative | 33 // file or the standalone extension manifest files. Relative file paths to |
34 // to this path. | 34 // extension files are resolved relative to this path. |
35 explicit ExternalPrefExtensionLoader(int base_path_key, Options options); | 35 explicit ExternalPrefExtensionLoader(int base_path_id, Options options); |
36 | 36 |
37 virtual const FilePath GetBaseCrxFilePath() OVERRIDE; | 37 virtual const FilePath GetBaseCrxFilePath() OVERRIDE; |
38 | 38 |
39 protected: | 39 protected: |
40 virtual void StartLoading() OVERRIDE; | 40 virtual void StartLoading() OVERRIDE; |
41 bool IsOptionSet(Options option) { | 41 bool IsOptionSet(Options option) { |
42 return (options_ & option) != 0; | 42 return (options_ & option) != 0; |
43 } | 43 } |
44 | 44 |
45 private: | 45 private: |
46 friend class base::RefCountedThreadSafe<ExternalExtensionLoader>; | 46 friend class base::RefCountedThreadSafe<ExternalExtensionLoader>; |
47 | 47 |
48 virtual ~ExternalPrefExtensionLoader() {} | 48 virtual ~ExternalPrefExtensionLoader() {} |
49 | 49 |
50 DictionaryValue* ReadJsonPrefsFile(); | 50 // Actually searches for and loads candidate standalone extension preference |
| 51 // files in the path corresponding to |base_path_id|. |
| 52 // Must be called on the file thread. |
51 void LoadOnFileThread(); | 53 void LoadOnFileThread(); |
52 | 54 |
53 int base_path_key_; | 55 // Extracts the information contained in an external_extension.json file |
| 56 // regarding which extensions to install. |prefs| will be modified to |
| 57 // receive the extracted extension information. |
| 58 // Must be called from the File thread. |
| 59 void ReadExternalExtensionPrefFile(DictionaryValue * prefs); |
| 60 |
| 61 // Extracts the information contained in standalone external extension |
| 62 // json files (<extension id>.json) regarding what external extensions |
| 63 // to install. |prefs| will be modified to receive the extracted extension |
| 64 // information. |
| 65 // Must be called from the File thread. |
| 66 void ReadStandaloneExtensionPrefFiles(DictionaryValue * prefs); |
| 67 |
| 68 // The resource id of the base path with the information about the json |
| 69 // file containing which extensions to load. |
| 70 int base_path_id_; |
| 71 |
54 Options options_; | 72 Options options_; |
| 73 |
| 74 // The path (coresponding to |base_path_id_| containing the json files |
| 75 // describing which extensions to load. |
55 FilePath base_path_; | 76 FilePath base_path_; |
56 | 77 |
57 DISALLOW_COPY_AND_ASSIGN(ExternalPrefExtensionLoader); | 78 DISALLOW_COPY_AND_ASSIGN(ExternalPrefExtensionLoader); |
58 }; | 79 }; |
59 | 80 |
60 // A simplified version of ExternalPrefExtensionLoader that loads the dictionary | 81 // A simplified version of ExternalPrefExtensionLoader that loads the dictionary |
61 // from json data specified in a string. | 82 // from json data specified in a string. |
62 class ExternalTestingExtensionLoader : public ExternalExtensionLoader { | 83 class ExternalTestingExtensionLoader : public ExternalExtensionLoader { |
63 public: | 84 public: |
64 ExternalTestingExtensionLoader( | 85 ExternalTestingExtensionLoader( |
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75 | 96 |
76 virtual ~ExternalTestingExtensionLoader(); | 97 virtual ~ExternalTestingExtensionLoader(); |
77 | 98 |
78 FilePath fake_base_path_; | 99 FilePath fake_base_path_; |
79 scoped_ptr<DictionaryValue> testing_prefs_; | 100 scoped_ptr<DictionaryValue> testing_prefs_; |
80 | 101 |
81 DISALLOW_COPY_AND_ASSIGN(ExternalTestingExtensionLoader); | 102 DISALLOW_COPY_AND_ASSIGN(ExternalTestingExtensionLoader); |
82 }; | 103 }; |
83 | 104 |
84 #endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ | 105 #endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_ |
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