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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/chromeos/extensions/file_system_provider/file_system_pr
ovider_api.h" |
| 6 |
| 7 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" |
| 8 #include "chrome/browser/chromeos/file_system_provider/request_manager.h" |
| 9 #include "chrome/browser/chromeos/file_system_provider/request_value.h" |
| 10 #include "chrome/browser/chromeos/file_system_provider/service.h" |
| 11 #include "chrome/common/extensions/api/file_system_provider_internal.h" |
| 12 |
| 13 using chromeos::file_system_provider::ProvidedFileSystemInterface; |
| 14 using chromeos::file_system_provider::RequestManager; |
| 15 using chromeos::file_system_provider::RequestValue; |
| 16 using chromeos::file_system_provider::Service; |
| 17 |
| 18 namespace extensions { |
| 19 |
| 20 const char kNotFoundErrorName[] = "NotFoundError"; |
| 21 const char kSecurityErrorName[] = "SecurityError"; |
| 22 |
| 23 const char kEmptyNameErrorMessage[] = "Empty display name is not allowed."; |
| 24 const char kMountFailedErrorMessage[] = "Mounting the file system failed."; |
| 25 const char kUnmountFailedErrorMessage[] = "Unmounting the file system failed."; |
| 26 const char kResponseFailedErrorMessage[] = |
| 27 "Sending a response for the request failed."; |
| 28 |
| 29 base::DictionaryValue* CreateError(const std::string& name, |
| 30 const std::string& message) { |
| 31 base::DictionaryValue* error = new base::DictionaryValue(); |
| 32 error->SetString("name", name); |
| 33 error->SetString("message", message); |
| 34 return error; |
| 35 } |
| 36 |
| 37 base::File::Error ProviderErrorToFileError( |
| 38 api::file_system_provider::ProviderError error) { |
| 39 switch (error) { |
| 40 case api::file_system_provider::PROVIDER_ERROR_OK: |
| 41 return base::File::FILE_OK; |
| 42 case api::file_system_provider::PROVIDER_ERROR_FAILED: |
| 43 return base::File::FILE_ERROR_FAILED; |
| 44 case api::file_system_provider::PROVIDER_ERROR_IN_USE: |
| 45 return base::File::FILE_ERROR_IN_USE; |
| 46 case api::file_system_provider::PROVIDER_ERROR_EXISTS: |
| 47 return base::File::FILE_ERROR_EXISTS; |
| 48 case api::file_system_provider::PROVIDER_ERROR_NOT_FOUND: |
| 49 return base::File::FILE_ERROR_NOT_FOUND; |
| 50 case api::file_system_provider::PROVIDER_ERROR_ACCESS_DENIED: |
| 51 return base::File::FILE_ERROR_ACCESS_DENIED; |
| 52 case api::file_system_provider::PROVIDER_ERROR_TOO_MANY_OPENED: |
| 53 return base::File::FILE_ERROR_TOO_MANY_OPENED; |
| 54 case api::file_system_provider::PROVIDER_ERROR_NO_MEMORY: |
| 55 return base::File::FILE_ERROR_NO_MEMORY; |
| 56 case api::file_system_provider::PROVIDER_ERROR_NO_SPACE: |
| 57 return base::File::FILE_ERROR_NO_SPACE; |
| 58 case api::file_system_provider::PROVIDER_ERROR_NOT_A_DIRECTORY: |
| 59 return base::File::FILE_ERROR_NOT_A_DIRECTORY; |
| 60 case api::file_system_provider::PROVIDER_ERROR_INVALID_OPERATION: |
| 61 return base::File::FILE_ERROR_INVALID_OPERATION; |
| 62 case api::file_system_provider::PROVIDER_ERROR_SECURITY: |
| 63 return base::File::FILE_ERROR_SECURITY; |
| 64 case api::file_system_provider::PROVIDER_ERROR_ABORT: |
| 65 return base::File::FILE_ERROR_ABORT; |
| 66 case api::file_system_provider::PROVIDER_ERROR_NOT_A_FILE: |
| 67 return base::File::FILE_ERROR_NOT_A_FILE; |
| 68 case api::file_system_provider::PROVIDER_ERROR_NOT_EMPTY: |
| 69 return base::File::FILE_ERROR_NOT_EMPTY; |
| 70 case api::file_system_provider::PROVIDER_ERROR_INVALID_URL: |
| 71 return base::File::FILE_ERROR_INVALID_URL; |
| 72 case api::file_system_provider::PROVIDER_ERROR_IO: |
| 73 return base::File::FILE_ERROR_IO; |
| 74 case api::file_system_provider::PROVIDER_ERROR_NONE: |
| 75 NOTREACHED(); |
| 76 } |
| 77 return base::File::FILE_ERROR_FAILED; |
| 78 } |
| 79 |
| 80 FileSystemProviderInternalFunction::FileSystemProviderInternalFunction() |
| 81 : request_id_(0), request_manager_(NULL) { |
| 82 } |
| 83 |
| 84 void FileSystemProviderInternalFunction::RejectRequest( |
| 85 base::File::Error error) { |
| 86 if (!request_manager_->RejectRequest(request_id_, error)) |
| 87 SetErrorResponse(kSecurityErrorName, kResponseFailedErrorMessage); |
| 88 } |
| 89 |
| 90 void FileSystemProviderInternalFunction::FulfillRequest( |
| 91 scoped_ptr<RequestValue> value, |
| 92 bool has_next) { |
| 93 if (!request_manager_->FulfillRequest(request_id_, value.Pass(), has_next)) |
| 94 SetErrorResponse(kSecurityErrorName, kResponseFailedErrorMessage); |
| 95 } |
| 96 |
| 97 bool FileSystemProviderInternalFunction::RunImpl() { |
| 98 DCHECK(args_); |
| 99 if (!Parse()) |
| 100 return true; |
| 101 |
| 102 SendResponse(RunSync()); |
| 103 return true; |
| 104 } |
| 105 |
| 106 bool FileSystemProviderInternalFunction::Parse() { |
| 107 int file_system_id = 0; |
| 108 |
| 109 if (!args_->GetInteger(0, &file_system_id) || |
| 110 !args_->GetInteger(1, &request_id_)) { |
| 111 bad_message_ = true; |
| 112 SendResponse(false); |
| 113 return false; |
| 114 } |
| 115 |
| 116 Service* service = Service::Get(GetProfile()); |
| 117 if (!service) { |
| 118 SendResponse(false); |
| 119 return false; |
| 120 } |
| 121 |
| 122 ProvidedFileSystemInterface* file_system = |
| 123 service->GetProvidedFileSystem(extension_id(), file_system_id); |
| 124 if (!file_system) { |
| 125 SetErrorResponse(kNotFoundErrorName, kResponseFailedErrorMessage); |
| 126 SendResponse(true); |
| 127 return false; |
| 128 } |
| 129 |
| 130 request_manager_ = file_system->GetRequestManager(); |
| 131 return true; |
| 132 } |
| 133 |
| 134 void FileSystemProviderInternalFunction::SetErrorResponse( |
| 135 const std::string& name, |
| 136 const std::string& message) { |
| 137 base::ListValue* result = new base::ListValue(); |
| 138 result->Append(CreateError(name, message)); |
| 139 SetResult(result); |
| 140 } |
| 141 |
| 142 } // namespace extensions |
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