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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_RENDERER_SECURITY_FILTER_PEER_H_ | 5 #ifndef CHROME_RENDERER_SECURITY_FILTER_PEER_H_ |
| 6 #define CHROME_RENDERER_SECURITY_FILTER_PEER_H_ | 6 #define CHROME_RENDERER_SECURITY_FILTER_PEER_H_ |
| 7 | 7 |
| 8 #include "content/public/child/request_peer.h" | 8 #include "content/public/child/request_peer.h" |
| 9 #include "webkit/common/resource_response_info.h" | 9 #include "content/public/common/resource_response_info.h" |
| 10 #include "webkit/common/resource_type.h" | 10 #include "webkit/common/resource_type.h" |
| 11 | 11 |
| 12 // The SecurityFilterPeer is a proxy to a | 12 // The SecurityFilterPeer is a proxy to a |
| 13 // content::RequestPeer instance. It is used to pre-process | 13 // content::RequestPeer instance. It is used to pre-process |
| 14 // unsafe resources (such as mixed-content resource). | 14 // unsafe resources (such as mixed-content resource). |
| 15 // Call the factory method CreateSecurityFilterPeer() to obtain an instance of | 15 // Call the factory method CreateSecurityFilterPeer() to obtain an instance of |
| 16 // SecurityFilterPeer based on the original Peer. | 16 // SecurityFilterPeer based on the original Peer. |
| 17 // NOTE: subclasses should insure they delete themselves at the end of the | 17 // NOTE: subclasses should insure they delete themselves at the end of the |
| 18 // OnReceiveComplete call. | 18 // OnReceiveComplete call. |
| 19 class SecurityFilterPeer : public content::RequestPeer { | 19 class SecurityFilterPeer : public content::RequestPeer { |
| 20 public: | 20 public: |
| 21 virtual ~SecurityFilterPeer(); | 21 virtual ~SecurityFilterPeer(); |
| 22 | 22 |
| 23 static SecurityFilterPeer* CreateSecurityFilterPeerForDeniedRequest( | 23 static SecurityFilterPeer* CreateSecurityFilterPeerForDeniedRequest( |
| 24 ResourceType::Type resource_type, | 24 ResourceType::Type resource_type, |
| 25 content::RequestPeer* peer, | 25 content::RequestPeer* peer, |
| 26 int os_error); | 26 int os_error); |
| 27 | 27 |
| 28 static SecurityFilterPeer* CreateSecurityFilterPeerForFrame( | 28 static SecurityFilterPeer* CreateSecurityFilterPeerForFrame( |
| 29 content::RequestPeer* peer, | 29 content::RequestPeer* peer, |
| 30 int os_error); | 30 int os_error); |
| 31 | 31 |
| 32 // content::RequestPeer methods. | 32 // content::RequestPeer methods. |
| 33 virtual void OnUploadProgress(uint64 position, uint64 size) OVERRIDE; | 33 virtual void OnUploadProgress(uint64 position, uint64 size) OVERRIDE; |
| 34 virtual bool OnReceivedRedirect( | 34 virtual bool OnReceivedRedirect( |
| 35 const GURL& new_url, | 35 const GURL& new_url, |
| 36 const GURL& new_first_party_for_cookies, | 36 const GURL& new_first_party_for_cookies, |
| 37 const webkit_glue::ResourceResponseInfo& info) OVERRIDE; | 37 const content::ResourceResponseInfo& info) OVERRIDE; |
| 38 virtual void OnReceivedResponse( | 38 virtual void OnReceivedResponse( |
| 39 const webkit_glue::ResourceResponseInfo& info) OVERRIDE; | 39 const content::ResourceResponseInfo& info) OVERRIDE; |
| 40 virtual void OnDownloadedData(int len, int encoded_data_length) OVERRIDE {} | 40 virtual void OnDownloadedData(int len, int encoded_data_length) OVERRIDE {} |
| 41 virtual void OnReceivedData(const char* data, | 41 virtual void OnReceivedData(const char* data, |
| 42 int data_length, | 42 int data_length, |
| 43 int encoded_data_length) OVERRIDE; | 43 int encoded_data_length) OVERRIDE; |
| 44 virtual void OnCompletedRequest(int error_code, | 44 virtual void OnCompletedRequest(int error_code, |
| 45 bool was_ignored_by_handler, | 45 bool was_ignored_by_handler, |
| 46 bool stale_copy_in_cache, | 46 bool stale_copy_in_cache, |
| 47 const std::string& security_info, | 47 const std::string& security_info, |
| 48 const base::TimeTicks& completion_time, | 48 const base::TimeTicks& completion_time, |
| 49 int64 total_transfer_size) OVERRIDE; | 49 int64 total_transfer_size) OVERRIDE; |
| 50 | 50 |
| 51 protected: | 51 protected: |
| 52 explicit SecurityFilterPeer(content::RequestPeer* peer); | 52 explicit SecurityFilterPeer(content::RequestPeer* peer); |
| 53 | 53 |
| 54 content::RequestPeer* original_peer_; | 54 content::RequestPeer* original_peer_; |
| 55 | 55 |
| 56 private: | 56 private: |
| 57 DISALLOW_COPY_AND_ASSIGN(SecurityFilterPeer); | 57 DISALLOW_COPY_AND_ASSIGN(SecurityFilterPeer); |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 // The BufferedPeer reads all the data of the request into an internal buffer. | 60 // The BufferedPeer reads all the data of the request into an internal buffer. |
| 61 // Subclasses should implement DataReady() to process the data as necessary. | 61 // Subclasses should implement DataReady() to process the data as necessary. |
| 62 class BufferedPeer : public SecurityFilterPeer { | 62 class BufferedPeer : public SecurityFilterPeer { |
| 63 public: | 63 public: |
| 64 BufferedPeer(content::RequestPeer* peer, const std::string& mime_type); | 64 BufferedPeer(content::RequestPeer* peer, const std::string& mime_type); |
| 65 virtual ~BufferedPeer(); | 65 virtual ~BufferedPeer(); |
| 66 | 66 |
| 67 // content::RequestPeer Implementation. | 67 // content::RequestPeer Implementation. |
| 68 virtual void OnReceivedResponse( | 68 virtual void OnReceivedResponse( |
| 69 const webkit_glue::ResourceResponseInfo& info) OVERRIDE; | 69 const content::ResourceResponseInfo& info) OVERRIDE; |
| 70 virtual void OnReceivedData(const char* data, | 70 virtual void OnReceivedData(const char* data, |
| 71 int data_length, | 71 int data_length, |
| 72 int encoded_data_length) OVERRIDE; | 72 int encoded_data_length) OVERRIDE; |
| 73 virtual void OnCompletedRequest( | 73 virtual void OnCompletedRequest( |
| 74 int error_code, | 74 int error_code, |
| 75 bool was_ignored_by_handler, | 75 bool was_ignored_by_handler, |
| 76 bool stale_copy_in_cache, | 76 bool stale_copy_in_cache, |
| 77 const std::string& security_info, | 77 const std::string& security_info, |
| 78 const base::TimeTicks& completion_time, | 78 const base::TimeTicks& completion_time, |
| 79 int64 total_transfer_size) OVERRIDE; | 79 int64 total_transfer_size) OVERRIDE; |
| 80 | 80 |
| 81 protected: | 81 protected: |
| 82 // Invoked when the entire request has been processed before the data is sent | 82 // Invoked when the entire request has been processed before the data is sent |
| 83 // to the original peer, giving an opportunity to subclasses to process the | 83 // to the original peer, giving an opportunity to subclasses to process the |
| 84 // data in data_. If this method returns true, the data is fed to the | 84 // data in data_. If this method returns true, the data is fed to the |
| 85 // original peer, if it returns false, an error is sent instead. | 85 // original peer, if it returns false, an error is sent instead. |
| 86 virtual bool DataReady() = 0; | 86 virtual bool DataReady() = 0; |
| 87 | 87 |
| 88 webkit_glue::ResourceResponseInfo response_info_; | 88 content::ResourceResponseInfo response_info_; |
| 89 std::string data_; | 89 std::string data_; |
| 90 | 90 |
| 91 private: | 91 private: |
| 92 std::string mime_type_; | 92 std::string mime_type_; |
| 93 | 93 |
| 94 DISALLOW_COPY_AND_ASSIGN(BufferedPeer); | 94 DISALLOW_COPY_AND_ASSIGN(BufferedPeer); |
| 95 }; | 95 }; |
| 96 | 96 |
| 97 // The ReplaceContentPeer cancels the request and serves the provided data as | 97 // The ReplaceContentPeer cancels the request and serves the provided data as |
| 98 // content instead. | 98 // content instead. |
| 99 // TODO(jcampan): For now the resource is still being fetched, but ignored, as | 99 // TODO(jcampan): For now the resource is still being fetched, but ignored, as |
| 100 // once we have provided the replacement content, the associated pending request | 100 // once we have provided the replacement content, the associated pending request |
| 101 // in ResourceDispatcher is removed and further OnReceived* notifications are | 101 // in ResourceDispatcher is removed and further OnReceived* notifications are |
| 102 // ignored. | 102 // ignored. |
| 103 class ReplaceContentPeer : public SecurityFilterPeer { | 103 class ReplaceContentPeer : public SecurityFilterPeer { |
| 104 public: | 104 public: |
| 105 ReplaceContentPeer(content::RequestPeer* peer, | 105 ReplaceContentPeer(content::RequestPeer* peer, |
| 106 const std::string& mime_type, | 106 const std::string& mime_type, |
| 107 const std::string& data); | 107 const std::string& data); |
| 108 virtual ~ReplaceContentPeer(); | 108 virtual ~ReplaceContentPeer(); |
| 109 | 109 |
| 110 // content::RequestPeer Implementation. | 110 // content::RequestPeer Implementation. |
| 111 virtual void OnReceivedResponse( | 111 virtual void OnReceivedResponse( |
| 112 const webkit_glue::ResourceResponseInfo& info) OVERRIDE; | 112 const content::ResourceResponseInfo& info) OVERRIDE; |
| 113 virtual void OnReceivedData(const char* data, | 113 virtual void OnReceivedData(const char* data, |
| 114 int data_length, | 114 int data_length, |
| 115 int encoded_data_length) OVERRIDE; | 115 int encoded_data_length) OVERRIDE; |
| 116 virtual void OnCompletedRequest( | 116 virtual void OnCompletedRequest( |
| 117 int error_code, | 117 int error_code, |
| 118 bool was_ignored_by_handler, | 118 bool was_ignored_by_handler, |
| 119 bool stale_copy_in_cache, | 119 bool stale_copy_in_cache, |
| 120 const std::string& security_info, | 120 const std::string& security_info, |
| 121 const base::TimeTicks& completion_time, | 121 const base::TimeTicks& completion_time, |
| 122 int64 total_transfer_size) OVERRIDE; | 122 int64 total_transfer_size) OVERRIDE; |
| 123 | 123 |
| 124 private: | 124 private: |
| 125 webkit_glue::ResourceResponseInfo response_info_; | 125 content::ResourceResponseInfo response_info_; |
| 126 std::string mime_type_; | 126 std::string mime_type_; |
| 127 std::string data_; | 127 std::string data_; |
| 128 | 128 |
| 129 DISALLOW_COPY_AND_ASSIGN(ReplaceContentPeer); | 129 DISALLOW_COPY_AND_ASSIGN(ReplaceContentPeer); |
| 130 }; | 130 }; |
| 131 | 131 |
| 132 #endif // CHROME_RENDERER_SECURITY_FILTER_PEER_H_ | 132 #endif // CHROME_RENDERER_SECURITY_FILTER_PEER_H_ |
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