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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 #ifndef EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ | 5 #ifndef EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ |
| 6 #define EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ | 6 #define EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <map> | 10 #include <map> |
| 9 #include <string> | 11 #include <string> |
| 10 #include <vector> | 12 #include <vector> |
| 11 | 13 |
| 12 #include "base/files/file_path.h" | 14 #include "base/files/file_path.h" |
| 15 #include "base/macros.h" |
| 13 #include "base/version.h" | 16 #include "base/version.h" |
| 14 | 17 |
| 15 namespace extensions { | 18 namespace extensions { |
| 16 | 19 |
| 17 // This class encapsulates the data in a "verified_contents.json" file | 20 // This class encapsulates the data in a "verified_contents.json" file |
| 18 // generated by the webstore for a .crx file. That data includes a set of | 21 // generated by the webstore for a .crx file. That data includes a set of |
| 19 // signed expected hashes of file content which can be used to check for | 22 // signed expected hashes of file content which can be used to check for |
| 20 // corruption of extension files on local disk. | 23 // corruption of extension files on local disk. |
| 21 class VerifiedContents { | 24 class VerifiedContents { |
| 22 public: | 25 public: |
| 23 // Note: the public_key must remain valid for the lifetime of this object. | 26 // Note: the public_key must remain valid for the lifetime of this object. |
| 24 VerifiedContents(const uint8* public_key, int public_key_size); | 27 VerifiedContents(const uint8_t* public_key, int public_key_size); |
| 25 ~VerifiedContents(); | 28 ~VerifiedContents(); |
| 26 | 29 |
| 27 // Returns true if we successfully parsed the verified_contents.json file at | 30 // Returns true if we successfully parsed the verified_contents.json file at |
| 28 // |path| and validated the enclosed signature. The | 31 // |path| and validated the enclosed signature. The |
| 29 // |ignore_invalid_signature| argument can be set to make this still succeed | 32 // |ignore_invalid_signature| argument can be set to make this still succeed |
| 30 // if the contents of the file were parsed successfully but the signature did | 33 // if the contents of the file were parsed successfully but the signature did |
| 31 // not validate. (Use with caution!) | 34 // not validate. (Use with caution!) |
| 32 bool InitFrom(const base::FilePath& path, bool ignore_invalid_signature); | 35 bool InitFrom(const base::FilePath& path, bool ignore_invalid_signature); |
| 33 | 36 |
| 34 int block_size() const { return block_size_; } | 37 int block_size() const { return block_size_; } |
| (...skipping 18 matching lines...) Expand all Loading... |
| 53 | 56 |
| 54 // The |protected_value| and |payload| arguments should be base64url encoded | 57 // The |protected_value| and |payload| arguments should be base64url encoded |
| 55 // strings, and |signature_bytes| should be a byte array. See comments in the | 58 // strings, and |signature_bytes| should be a byte array. See comments in the |
| 56 // .cc file on GetPayload for where these come from in the overall input | 59 // .cc file on GetPayload for where these come from in the overall input |
| 57 // file. | 60 // file. |
| 58 bool VerifySignature(const std::string& protected_value, | 61 bool VerifySignature(const std::string& protected_value, |
| 59 const std::string& payload, | 62 const std::string& payload, |
| 60 const std::string& signature_bytes); | 63 const std::string& signature_bytes); |
| 61 | 64 |
| 62 // The public key we should use for signature verification. | 65 // The public key we should use for signature verification. |
| 63 const uint8* public_key_; | 66 const uint8_t* public_key_; |
| 64 const int public_key_size_; | 67 const int public_key_size_; |
| 65 | 68 |
| 66 // Indicates whether the signature was successfully validated or not. | 69 // Indicates whether the signature was successfully validated or not. |
| 67 bool valid_signature_; | 70 bool valid_signature_; |
| 68 | 71 |
| 69 // The block size used for computing the treehash root hashes. | 72 // The block size used for computing the treehash root hashes. |
| 70 int block_size_; | 73 int block_size_; |
| 71 | 74 |
| 72 // Information about which extension these signed hashes are for. | 75 // Information about which extension these signed hashes are for. |
| 73 std::string extension_id_; | 76 std::string extension_id_; |
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| 84 // webstore reject the cases they can statically detect. See crbug.com/29941 | 87 // webstore reject the cases they can statically detect. See crbug.com/29941 |
| 85 typedef std::multimap<base::FilePath::StringType, std::string> RootHashes; | 88 typedef std::multimap<base::FilePath::StringType, std::string> RootHashes; |
| 86 RootHashes root_hashes_; | 89 RootHashes root_hashes_; |
| 87 | 90 |
| 88 DISALLOW_COPY_AND_ASSIGN(VerifiedContents); | 91 DISALLOW_COPY_AND_ASSIGN(VerifiedContents); |
| 89 }; | 92 }; |
| 90 | 93 |
| 91 } // namespace extensions | 94 } // namespace extensions |
| 92 | 95 |
| 93 #endif // EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ | 96 #endif // EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_ |
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