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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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46 DoNotCheckContentSecurityPolicy | 46 DoNotCheckContentSecurityPolicy |
47 }; | 47 }; |
48 | 48 |
49 enum RequestInitiatorContext { | 49 enum RequestInitiatorContext { |
50 DocumentContext, | 50 DocumentContext, |
51 WorkerContext, | 51 WorkerContext, |
52 }; | 52 }; |
53 | 53 |
54 enum StoredCredentials { AllowStoredCredentials, DoNotAllowStoredCredentials }; | 54 enum StoredCredentials { AllowStoredCredentials, DoNotAllowStoredCredentials }; |
55 | 55 |
56 // APIs like XMLHttpRequest and EventSource let the user decide | 56 // APIs like XMLHttpRequest and EventSource let the user decide whether to send |
57 // whether to send credentials, but they're always sent for | 57 // credentials, but they're always sent for same-origin requests. Additional |
58 // same-origin requests. Additional information is needed to handle | 58 // information is needed to handle cross-origin redirects correctly. |
59 // cross-origin redirects correctly. | |
60 enum CredentialRequest { | 59 enum CredentialRequest { |
61 ClientRequestedCredentials, | 60 ClientRequestedCredentials, |
62 ClientDidNotRequestCredentials | 61 ClientDidNotRequestCredentials |
63 }; | 62 }; |
64 | 63 |
65 enum SynchronousPolicy { RequestSynchronously, RequestAsynchronously }; | 64 enum SynchronousPolicy { RequestSynchronously, RequestAsynchronously }; |
66 | 65 |
67 // A resource fetch can be marked as being CORS enabled. The loader | 66 // A resource fetch can be marked as being CORS enabled. The loader must perform |
68 // must perform an access check upon seeing the response. | 67 // an access check upon seeing the response. |
69 enum CORSEnabled { NotCORSEnabled, IsCORSEnabled }; | 68 enum CORSEnabled { NotCORSEnabled, IsCORSEnabled }; |
70 | 69 |
71 struct ResourceLoaderOptions { | 70 struct ResourceLoaderOptions { |
72 USING_FAST_MALLOC(ResourceLoaderOptions); | 71 USING_FAST_MALLOC(ResourceLoaderOptions); |
73 | 72 |
74 public: | 73 public: |
75 ResourceLoaderOptions() | 74 ResourceLoaderOptions() |
76 : dataBufferingPolicy(BufferData), | 75 : dataBufferingPolicy(BufferData), |
77 allowCredentials(DoNotAllowStoredCredentials), | 76 allowCredentials(DoNotAllowStoredCredentials), |
78 credentialsRequested(ClientDidNotRequestCredentials), | 77 credentialsRequested(ClientDidNotRequestCredentials), |
79 contentSecurityPolicyOption(CheckContentSecurityPolicy), | 78 contentSecurityPolicyOption(CheckContentSecurityPolicy), |
80 requestInitiatorContext(DocumentContext), | 79 requestInitiatorContext(DocumentContext), |
81 synchronousPolicy(RequestAsynchronously), | 80 synchronousPolicy(RequestAsynchronously), |
82 corsEnabled(NotCORSEnabled) {} | 81 corsEnabled(NotCORSEnabled) {} |
83 | 82 |
84 ResourceLoaderOptions( | 83 ResourceLoaderOptions( |
85 DataBufferingPolicy dataBufferingPolicy, | 84 DataBufferingPolicy dataBufferingPolicy, |
86 StoredCredentials allowCredentials, | 85 StoredCredentials allowCredentials, |
87 CredentialRequest credentialsRequested, | 86 CredentialRequest credentialsRequested, |
88 ContentSecurityPolicyDisposition contentSecurityPolicyOption, | 87 ContentSecurityPolicyDisposition contentSecurityPolicyOption, |
89 RequestInitiatorContext requestInitiatorContext) | 88 RequestInitiatorContext requestInitiatorContext) |
90 : dataBufferingPolicy(dataBufferingPolicy), | 89 : dataBufferingPolicy(dataBufferingPolicy), |
91 allowCredentials(allowCredentials), | 90 allowCredentials(allowCredentials), |
92 credentialsRequested(credentialsRequested), | 91 credentialsRequested(credentialsRequested), |
93 contentSecurityPolicyOption(contentSecurityPolicyOption), | 92 contentSecurityPolicyOption(contentSecurityPolicyOption), |
94 requestInitiatorContext(requestInitiatorContext), | 93 requestInitiatorContext(requestInitiatorContext), |
95 synchronousPolicy(RequestAsynchronously), | 94 synchronousPolicy(RequestAsynchronously), |
96 corsEnabled(NotCORSEnabled) {} | 95 corsEnabled(NotCORSEnabled) {} |
97 | 96 |
98 // Answers the question "can a separate request with these | 97 // Answers the question "can a separate request with these different options |
99 // different options be re-used" (e.g. preload request) | 98 // be re-used" (e.g. preload request) The safe (but possibly slow) answer is |
100 // The safe (but possibly slow) answer is always false. | 99 // always false. |
101 bool canReuseRequest(const ResourceLoaderOptions& other) const { | 100 bool canReuseRequest(const ResourceLoaderOptions& other) const { |
102 // dataBufferingPolicy differences are believed to be safe for re-use. | 101 // dataBufferingPolicy differences are believed to be safe for re-use. |
103 // FIXME: check allowCredentials. | 102 // FIXME: check allowCredentials. |
104 // FIXME: check credentialsRequested. | 103 // FIXME: check credentialsRequested. |
105 // FIXME: check contentSecurityPolicyOption. | 104 // FIXME: check contentSecurityPolicyOption. |
106 // initiatorInfo is purely informational and should be benign for re-use. | 105 // initiatorInfo is purely informational and should be benign for re-use. |
107 // requestInitiatorContext is benign (indicates document vs. worker) | 106 // requestInitiatorContext is benign (indicates document vs. worker) |
108 // synchronousPolicy (safe to re-use an async XHR response for sync, etc.) | 107 // synchronousPolicy (safe to re-use an async XHR response for sync, etc.) |
109 return corsEnabled == other.corsEnabled; | 108 return corsEnabled == other.corsEnabled; |
110 // securityOrigin has more complicated checks which callers are responsible
for. | 109 // securityOrigin has more complicated checks which callers are responsible |
| 110 // for. |
111 } | 111 } |
112 | 112 |
113 // When adding members, CrossThreadResourceLoaderOptionsData should be | 113 // When adding members, CrossThreadResourceLoaderOptionsData should be |
114 // updated. | 114 // updated. |
115 DataBufferingPolicy dataBufferingPolicy; | 115 DataBufferingPolicy dataBufferingPolicy; |
116 StoredCredentials | 116 |
117 allowCredentials; // Whether HTTP credentials and cookies are sent with t
he request. | 117 // Whether HTTP credentials and cookies are sent with the request. |
118 CredentialRequest | 118 StoredCredentials allowCredentials; |
119 credentialsRequested; // Whether the client (e.g. XHR) wanted credentials
in the first place. | 119 |
| 120 // Whether the client (e.g. XHR) wanted credentials in the first place. |
| 121 CredentialRequest credentialsRequested; |
| 122 |
120 ContentSecurityPolicyDisposition contentSecurityPolicyOption; | 123 ContentSecurityPolicyDisposition contentSecurityPolicyOption; |
121 FetchInitiatorInfo initiatorInfo; | 124 FetchInitiatorInfo initiatorInfo; |
122 RequestInitiatorContext requestInitiatorContext; | 125 RequestInitiatorContext requestInitiatorContext; |
123 SynchronousPolicy synchronousPolicy; | 126 SynchronousPolicy synchronousPolicy; |
124 CORSEnabled | 127 |
125 corsEnabled; // If the resource is loaded out-of-origin, whether or not t
o use CORS. | 128 // If the resource is loaded out-of-origin, whether or not to use CORS. |
| 129 CORSEnabled corsEnabled; |
| 130 |
126 RefPtr<SecurityOrigin> securityOrigin; | 131 RefPtr<SecurityOrigin> securityOrigin; |
127 String contentSecurityPolicyNonce; | 132 String contentSecurityPolicyNonce; |
128 IntegrityMetadataSet integrityMetadata; | 133 IntegrityMetadataSet integrityMetadata; |
129 }; | 134 }; |
130 | 135 |
131 // Encode AtomicString (in FetchInitiatorInfo) as String to cross threads. | 136 // Encode AtomicString (in FetchInitiatorInfo) as String to cross threads. |
132 struct CrossThreadResourceLoaderOptionsData { | 137 struct CrossThreadResourceLoaderOptionsData { |
133 DISALLOW_NEW(); | 138 DISALLOW_NEW(); |
134 explicit CrossThreadResourceLoaderOptionsData( | 139 explicit CrossThreadResourceLoaderOptionsData( |
135 const ResourceLoaderOptions& options) | 140 const ResourceLoaderOptions& options) |
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180 struct CrossThreadCopier<ResourceLoaderOptions> { | 185 struct CrossThreadCopier<ResourceLoaderOptions> { |
181 using Type = CrossThreadResourceLoaderOptionsData; | 186 using Type = CrossThreadResourceLoaderOptionsData; |
182 static Type copy(const ResourceLoaderOptions& options) { | 187 static Type copy(const ResourceLoaderOptions& options) { |
183 return CrossThreadResourceLoaderOptionsData(options); | 188 return CrossThreadResourceLoaderOptionsData(options); |
184 } | 189 } |
185 }; | 190 }; |
186 | 191 |
187 } // namespace blink | 192 } // namespace blink |
188 | 193 |
189 #endif // ResourceLoaderOptions_h | 194 #endif // ResourceLoaderOptions_h |
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