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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "content/renderer/webcrypto/webcrypto_util.h" | 5 #include "content/renderer/webcrypto/webcrypto_util.h" |
6 | 6 |
7 #include "base/base64.h" | 7 #include "base/base64.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | 9 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
10 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" | 10 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" |
11 | 11 |
12 namespace content { | 12 namespace content { |
13 | 13 |
14 namespace webcrypto { | 14 namespace webcrypto { |
15 | 15 |
16 bool Status::IsError() const { | 16 bool Status::IsError() const { return type_ == TYPE_ERROR; } |
17 return type_ == TYPE_ERROR; | |
18 } | |
19 | 17 |
20 bool Status::IsSuccess() const { | 18 bool Status::IsSuccess() const { return type_ == TYPE_SUCCESS; } |
21 return type_ == TYPE_SUCCESS; | |
22 } | |
23 | 19 |
24 bool Status::HasErrorDetails() const { | 20 bool Status::HasErrorDetails() const { return !error_details_.empty(); } |
25 return !error_details_.empty(); | |
26 } | |
27 | 21 |
28 std::string Status::ToString() const { | 22 std::string Status::ToString() const { |
29 return IsSuccess() ? "Success" : error_details_; | 23 return IsSuccess() ? "Success" : error_details_; |
30 } | 24 } |
31 | 25 |
32 Status Status::Success() { | 26 Status Status::Success() { return Status(TYPE_SUCCESS); } |
33 return Status(TYPE_SUCCESS); | |
34 } | |
35 | 27 |
36 Status Status::Error() { | 28 Status Status::Error() { return Status(TYPE_ERROR); } |
37 return Status(TYPE_ERROR); | |
38 } | |
39 | 29 |
40 Status Status::ErrorJwkNotDictionary() { | 30 Status Status::ErrorJwkNotDictionary() { |
41 return Status("JWK input could not be parsed to a JSON dictionary"); | 31 return Status("JWK input could not be parsed to a JSON dictionary"); |
42 } | 32 } |
43 | 33 |
44 Status Status::ErrorJwkPropertyMissing(const std::string& property) { | 34 Status Status::ErrorJwkPropertyMissing(const std::string& property) { |
45 return Status("The required JWK property \"" + property + "\" was missing"); | 35 return Status("The required JWK property \"" + property + "\" was missing"); |
46 } | 36 } |
47 | 37 |
48 Status Status::ErrorJwkPropertyWrongType(const std::string& property, | 38 Status Status::ErrorJwkPropertyWrongType(const std::string& property, |
49 const std::string& expected_type) { | 39 const std::string& expected_type) { |
50 return Status("The JWK property \"" + property + "\" must be a " + | 40 return Status("The JWK property \"" + property + "\" must be a " + |
51 expected_type); | 41 expected_type); |
52 } | 42 } |
53 | 43 |
54 Status Status::ErrorJwkBase64Decode(const std::string& property) { | 44 Status Status::ErrorJwkBase64Decode(const std::string& property) { |
55 return Status("The JWK property \"" + property + | 45 return Status("The JWK property \"" + property + |
56 "\" could not be base64 decoded"); | 46 "\" could not be base64 decoded"); |
57 } | 47 } |
58 | 48 |
59 Status Status::ErrorJwkExtractableInconsistent() { | 49 Status Status::ErrorJwkExtractableInconsistent() { |
60 return Status("The \"extractable\" property of the JWK dictionary is " | 50 return Status( |
61 "inconsistent what that specified by the Web Crypto call"); | 51 "The \"extractable\" property of the JWK dictionary is " |
| 52 "inconsistent what that specified by the Web Crypto call"); |
62 } | 53 } |
63 | 54 |
64 Status Status::ErrorJwkUnrecognizedAlgorithm() { | 55 Status Status::ErrorJwkUnrecognizedAlgorithm() { |
65 return Status("The JWK \"alg\" property was not recognized"); | 56 return Status("The JWK \"alg\" property was not recognized"); |
66 } | 57 } |
67 | 58 |
68 Status Status::ErrorJwkAlgorithmInconsistent() { | 59 Status Status::ErrorJwkAlgorithmInconsistent() { |
69 return Status("The JWK \"alg\" property was inconsistent with that specified " | 60 return Status( |
70 "by the Web Crypto call"); | 61 "The JWK \"alg\" property was inconsistent with that specified " |
| 62 "by the Web Crypto call"); |
71 } | 63 } |
72 | 64 |
73 Status Status::ErrorJwkAlgorithmMissing() { | 65 Status Status::ErrorJwkAlgorithmMissing() { |
74 return Status("The JWK optional \"alg\" property is missing or not a string, " | 66 return Status( |
75 "and one wasn't specified by the Web Crypto call"); | 67 "The JWK optional \"alg\" property is missing or not a string, " |
| 68 "and one wasn't specified by the Web Crypto call"); |
76 } | 69 } |
77 | 70 |
78 Status Status::ErrorJwkUnrecognizedUsage() { | 71 Status Status::ErrorJwkUnrecognizedUsage() { |
79 return Status("The JWK \"use\" property could not be parsed"); | 72 return Status("The JWK \"use\" property could not be parsed"); |
80 } | 73 } |
81 | 74 |
82 Status Status::ErrorJwkUsageInconsistent() { | 75 Status Status::ErrorJwkUsageInconsistent() { |
83 return Status("The JWK \"use\" property was inconsistent with that specified " | 76 return Status( |
84 "by the Web Crypto call. The JWK usage must be a superset of " | 77 "The JWK \"use\" property was inconsistent with that specified " |
85 "those requested"); | 78 "by the Web Crypto call. The JWK usage must be a superset of " |
| 79 "those requested"); |
86 } | 80 } |
87 | 81 |
88 Status Status::ErrorJwkRsaPrivateKeyUnsupported() { | 82 Status Status::ErrorJwkRsaPrivateKeyUnsupported() { |
89 return Status("JWK RSA key contained \"d\" property: Private key import is " | 83 return Status( |
90 "not yet supported"); | 84 "JWK RSA key contained \"d\" property: Private key import is " |
| 85 "not yet supported"); |
91 } | 86 } |
92 | 87 |
93 Status Status::ErrorJwkUnrecognizedKty() { | 88 Status Status::ErrorJwkUnrecognizedKty() { |
94 return Status("The JWK \"kty\" property was unrecognized"); | 89 return Status("The JWK \"kty\" property was unrecognized"); |
95 } | 90 } |
96 | 91 |
97 Status Status::ErrorJwkIncorrectKeyLength() { | 92 Status Status::ErrorJwkIncorrectKeyLength() { |
98 return Status("The JWK \"k\" property did not include the right length " | 93 return Status( |
99 "of key data for the given algorithm."); | 94 "The JWK \"k\" property did not include the right length " |
| 95 "of key data for the given algorithm."); |
100 } | 96 } |
101 | 97 |
102 Status Status::ErrorImportEmptyKeyData() { | 98 Status Status::ErrorImportEmptyKeyData() { |
103 return Status("No key data was provided"); | 99 return Status("No key data was provided"); |
104 } | 100 } |
105 | 101 |
106 Status Status::ErrorUnexpectedKeyType() { | 102 Status Status::ErrorUnexpectedKeyType() { |
107 return Status("The key is not of the expected type"); | 103 return Status("The key is not of the expected type"); |
108 } | 104 } |
109 | 105 |
110 Status Status::ErrorIncorrectSizeAesCbcIv() { | 106 Status Status::ErrorIncorrectSizeAesCbcIv() { |
111 return Status("The \"iv\" has an unexpected length -- must be 16 bytes"); | 107 return Status("The \"iv\" has an unexpected length -- must be 16 bytes"); |
112 } | 108 } |
113 | 109 |
114 Status Status::ErrorDataTooLarge() { | 110 Status Status::ErrorDataTooLarge() { |
115 return Status("The provided data is too large"); | 111 return Status("The provided data is too large"); |
116 } | 112 } |
117 | 113 |
118 Status Status::ErrorUnsupported() { | 114 Status Status::ErrorUnsupported() { |
119 return Status("The requested operation is unsupported"); | 115 return Status("The requested operation is unsupported"); |
120 } | 116 } |
121 | 117 |
122 Status Status::ErrorUnexpected() { | 118 Status Status::ErrorUnexpected() { |
123 return Status("Something unexpected happened..."); | 119 return Status("Something unexpected happened..."); |
124 } | 120 } |
125 | 121 |
126 Status Status::ErrorInvalidAesGcmTagLength() { | 122 Status Status::ErrorInvalidAesGcmTagLength() { |
127 return Status("The tag length is invalid: either too large or not a multiple " | 123 return Status( |
128 "of 8 bits"); | 124 "The tag length is invalid: either too large or not a multiple " |
| 125 "of 8 bits"); |
129 } | 126 } |
130 | 127 |
131 Status Status::ErrorGenerateKeyPublicExponent() { | 128 Status Status::ErrorGenerateKeyPublicExponent() { |
132 return Status("The \"publicExponent\" is either empty, zero, or too large"); | 129 return Status("The \"publicExponent\" is either empty, zero, or too large"); |
133 } | 130 } |
134 | 131 |
135 Status Status::ErrorMissingAlgorithmImportRawKey() { | 132 Status Status::ErrorMissingAlgorithmImportRawKey() { |
136 return Status("The key's algorithm must be specified when importing " | 133 return Status( |
137 "raw-formatted key."); | 134 "The key's algorithm must be specified when importing " |
| 135 "raw-formatted key."); |
138 } | 136 } |
139 | 137 |
140 Status Status::ErrorImportRsaEmptyModulus() { | 138 Status Status::ErrorImportRsaEmptyModulus() { |
141 return Status("The modulus is empty"); | 139 return Status("The modulus is empty"); |
142 } | 140 } |
143 | 141 |
144 Status Status::ErrorGenerateRsaZeroModulus() { | 142 Status Status::ErrorGenerateRsaZeroModulus() { |
145 return Status("The modulus bit length cannot be zero"); | 143 return Status("The modulus bit length cannot be zero"); |
146 } | 144 } |
147 | 145 |
148 Status Status::ErrorImportRsaEmptyExponent() { | 146 Status Status::ErrorImportRsaEmptyExponent() { |
149 return Status("No bytes for the exponent were provided"); | 147 return Status("No bytes for the exponent were provided"); |
150 } | 148 } |
151 | 149 |
152 Status Status::ErrorKeyNotExtractable() { | 150 Status Status::ErrorKeyNotExtractable() { |
153 return Status("They key is not extractable"); | 151 return Status("They key is not extractable"); |
154 } | 152 } |
155 | 153 |
156 Status Status::ErrorGenerateKeyLength() { | 154 Status Status::ErrorGenerateKeyLength() { |
157 return Status("Invalid key length: it is either zero or not a multiple of 8 " | 155 return Status( |
158 "bits"); | 156 "Invalid key length: it is either zero or not a multiple of 8 " |
| 157 "bits"); |
159 } | 158 } |
160 | 159 |
161 Status::Status(const std::string& error_details_utf8) | 160 Status::Status(const std::string& error_details_utf8) |
162 : type_(TYPE_ERROR), error_details_(error_details_utf8) {} | 161 : type_(TYPE_ERROR), error_details_(error_details_utf8) {} |
163 | 162 |
164 Status::Status(Type type) : type_(type) {} | 163 Status::Status(Type type) : type_(type) {} |
165 | 164 |
166 const uint8* Uint8VectorStart(const std::vector<uint8>& data) { | 165 const uint8* Uint8VectorStart(const std::vector<uint8>& data) { |
167 if (data.empty()) | 166 if (data.empty()) |
168 return NULL; | 167 return NULL; |
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322 return 128; | 321 return 128; |
323 default: | 322 default: |
324 NOTREACHED(); | 323 NOTREACHED(); |
325 return 0; | 324 return 0; |
326 } | 325 } |
327 } | 326 } |
328 | 327 |
329 } // namespace webcrypto | 328 } // namespace webcrypto |
330 | 329 |
331 } // namespace content | 330 } // namespace content |
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