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| 1 // Copyright (c) 2012 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 "ppapi/proxy/flash_file_resource.h" | |
| 6 | |
| 7 #include "base/file_path.h" | |
| 8 #include "ipc/ipc_message.h" | |
| 9 #include "ppapi/c/pp_errors.h" | |
| 10 #include "ppapi/proxy/ppapi_messages.h" | |
| 11 #include "ppapi/shared_impl/file_type_conversion.h" | |
| 12 #include "ppapi/shared_impl/scoped_pp_var.h" | |
| 13 #include "ppapi/shared_impl/time_conversion.h" | |
| 14 #include "ppapi/shared_impl/var.h" | |
| 15 #include "ppapi/thunk/enter.h" | |
| 16 | |
| 17 namespace ppapi { | |
| 18 namespace proxy { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // Returns the path that a PPB_FileRef resource references as long as it is an | |
| 23 // PP_FILESYSTEMTYPE_EXTERNAL path. Returns an empty string on error. | |
| 24 std::string GetPathFromFileRef(PP_Resource file_ref) { | |
| 25 thunk::EnterResourceNoLock<thunk::PPB_FileRef_API> enter(file_ref, true); | |
| 26 if (enter.failed()) | |
| 27 return std::string(); | |
| 28 if (enter.object()->GetFileSystemType() != PP_FILESYSTEMTYPE_EXTERNAL) | |
| 29 return std::string(); | |
| 30 ScopedPPVar var(ScopedPPVar::PassRef(), enter.object()->GetAbsolutePath()); | |
| 31 StringVar* string_var = StringVar::FromPPVar(var.get()); | |
| 32 if (!string_var) | |
| 33 return std::string(); | |
| 34 return string_var->value(); | |
| 35 } | |
| 36 | |
| 37 } // namespace | |
| 38 | |
| 39 FlashFileResource::FlashFileResource(Connection connection, | |
| 40 PP_Instance instance) | |
| 41 : PluginResource(connection, instance) { | |
| 42 SendCreate(BROWSER, PpapiHostMsg_FlashFile_Create()); | |
| 43 } | |
| 44 | |
| 45 FlashFileResource::~FlashFileResource() { | |
| 46 } | |
| 47 | |
| 48 thunk::PPB_Flash_File_API* FlashFileResource::AsPPB_Flash_File_API() { | |
| 49 return this; | |
| 50 } | |
| 51 | |
| 52 int32_t FlashFileResource::OpenFile(PP_Instance /*instance*/, | |
| 53 const char* path, | |
| 54 int32_t mode, | |
| 55 PP_FileHandle* file) { | |
| 56 return OpenFileHelper(path, PepperFilePath::DOMAIN_MODULE_LOCAL, mode, file); | |
| 57 } | |
| 58 | |
| 59 int32_t FlashFileResource::RenameFile(PP_Instance /*instance*/, | |
| 60 const char* path_from, | |
| 61 const char* path_to) { | |
| 62 PepperFilePath pepper_from(PepperFilePath::DOMAIN_MODULE_LOCAL, | |
| 63 FilePath::FromUTF8Unsafe(path_from)); | |
| 64 PepperFilePath pepper_to(PepperFilePath::DOMAIN_MODULE_LOCAL, | |
| 65 FilePath::FromUTF8Unsafe(path_to)); | |
| 66 | |
| 67 int32_t error = SyncCall<IPC::Message>( | |
| 68 BROWSER, PpapiHostMsg_FlashFile_RenameFile(pepper_from, pepper_to)); | |
| 69 | |
| 70 return error; | |
| 71 } | |
| 72 | |
| 73 int32_t FlashFileResource::DeleteFileOrDir(PP_Instance /*instance*/, | |
| 74 const char* path, | |
| 75 PP_Bool recursive) { | |
| 76 PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL, | |
| 77 FilePath::FromUTF8Unsafe(path)); | |
| 78 | |
| 79 int32_t error = SyncCall<IPC::Message>( | |
| 80 BROWSER, PpapiHostMsg_FlashFile_DeleteFileOrDir(pepper_path, | |
| 81 PP_ToBool(recursive))); | |
| 82 | |
| 83 return error; | |
| 84 } | |
| 85 | |
| 86 int32_t FlashFileResource::CreateDir(PP_Instance /*instance*/, | |
| 87 const char* path) { | |
| 88 PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL, | |
| 89 FilePath::FromUTF8Unsafe(path)); | |
| 90 | |
| 91 int32_t error = SyncCall<IPC::Message>(BROWSER, | |
| 92 PpapiHostMsg_FlashFile_CreateDir(pepper_path)); | |
| 93 | |
| 94 return error; | |
| 95 } | |
| 96 | |
| 97 int32_t FlashFileResource::QueryFile(PP_Instance /*instance*/, | |
| 98 const char* path, | |
| 99 PP_FileInfo* info) { | |
| 100 return QueryFileHelper(path, PepperFilePath::DOMAIN_MODULE_LOCAL, info); | |
| 101 } | |
| 102 | |
| 103 int32_t FlashFileResource::GetDirContents(PP_Instance /*instance*/, | |
| 104 const char* path, | |
| 105 PP_DirContents_Dev** contents) { | |
| 106 ppapi::DirContents entries; | |
| 107 PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL, | |
| 108 FilePath::FromUTF8Unsafe(path)); | |
| 109 | |
| 110 int32_t error = SyncCall<PpapiPluginMsg_FlashFile_GetDirContentsReply>( | |
| 111 BROWSER, PpapiHostMsg_FlashFile_GetDirContents(pepper_path), &entries); | |
| 112 | |
| 113 if (error == PP_OK) { | |
| 114 // Copy the serialized dir entries to the output struct. | |
| 115 *contents = new PP_DirContents_Dev; | |
| 116 (*contents)->count = static_cast<int32_t>(entries.size()); | |
| 117 (*contents)->entries = new PP_DirEntry_Dev[entries.size()]; | |
| 118 for (size_t i = 0; i < entries.size(); i++) { | |
| 119 const ppapi::DirEntry& source = entries[i]; | |
| 120 PP_DirEntry_Dev* dest = &(*contents)->entries[i]; | |
| 121 std::string name = source.name.AsUTF8Unsafe(); | |
| 122 char* name_copy = new char[name.size() + 1]; | |
| 123 memcpy(name_copy, name.c_str(), name.size() + 1); | |
| 124 dest->name = name_copy; | |
| 125 dest->is_dir = PP_FromBool(source.is_dir); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 return error; | |
| 130 } | |
| 131 | |
| 132 void FlashFileResource::FreeDirContents(PP_Instance /*instance*/, | |
| 133 PP_DirContents_Dev* contents) { | |
| 134 for (int32_t i = 0; i < contents->count; ++i) | |
| 135 delete[] contents->entries[i].name; | |
| 136 delete[] contents->entries; | |
| 137 delete contents; | |
| 138 } | |
| 139 | |
| 140 int32_t FlashFileResource::CreateTemporaryFile(PP_Instance /*instance*/, | |
| 141 PP_FileHandle* file) { | |
| 142 if (!file) | |
| 143 return PP_ERROR_BADARGUMENT; | |
| 144 | |
| 145 IPC::Message unused; | |
| 146 ResourceMessageReplyParams reply_params; | |
| 147 int32_t error = GenericSyncCall(BROWSER, | |
| 148 PpapiHostMsg_FlashFile_CreateTemporaryFile(), &unused, &reply_params); | |
| 149 if (error != PP_OK) | |
| 150 return error; | |
| 151 | |
| 152 IPC::PlatformFileForTransit transit_file; | |
| 153 if (!reply_params.TakeFileHandleAtIndex(0, &transit_file)) | |
| 154 return PP_ERROR_FAILED; | |
| 155 | |
| 156 *file = IPC::PlatformFileForTransitToPlatformFile(transit_file); | |
| 157 return PP_OK; | |
| 158 } | |
| 159 | |
| 160 int32_t FlashFileResource::OpenFileRef(PP_Instance /*instance*/, | |
| 161 PP_Resource file_ref, | |
| 162 int32_t mode, | |
| 163 PP_FileHandle* file) { | |
| 164 return OpenFileHelper(GetPathFromFileRef(file_ref), | |
| 165 PepperFilePath::DOMAIN_ABSOLUTE, mode, file); | |
| 166 } | |
| 167 | |
| 168 int32_t FlashFileResource::QueryFileRef(PP_Instance /*instance*/, | |
| 169 PP_Resource file_ref, | |
| 170 PP_FileInfo* info) { | |
| 171 return QueryFileHelper(GetPathFromFileRef(file_ref), | |
| 172 PepperFilePath::DOMAIN_ABSOLUTE, info); | |
| 173 } | |
| 174 | |
| 175 int32_t FlashFileResource::OpenFileHelper(const std::string& path, | |
| 176 PepperFilePath::Domain domain_type, | |
| 177 int32_t mode, | |
| 178 PP_FileHandle* file) { | |
| 179 int flags = 0; | |
| 180 if (path.empty() || | |
| 181 !ppapi::PepperFileOpenFlagsToPlatformFileFlags(mode, &flags) || | |
| 182 !file) | |
| 183 return PP_ERROR_BADARGUMENT; | |
| 184 | |
| 185 PepperFilePath pepper_path(domain_type, FilePath::FromUTF8Unsafe(path)); | |
| 186 | |
| 187 IPC::Message unused; | |
| 188 ResourceMessageReplyParams reply_params; | |
| 189 int32_t error = GenericSyncCall(BROWSER, | |
| 190 PpapiHostMsg_FlashFile_OpenFile(pepper_path, flags), &unused, | |
| 191 &reply_params); | |
| 192 if (error != PP_OK) | |
| 193 return error; | |
| 194 | |
| 195 IPC::PlatformFileForTransit transit_file; | |
| 196 if (!reply_params.TakeFileHandleAtIndex(0, &transit_file)) | |
| 197 return PP_ERROR_FAILED; | |
| 198 | |
| 199 *file = IPC::PlatformFileForTransitToPlatformFile(transit_file); | |
| 200 return PP_OK; | |
| 201 } | |
| 202 | |
| 203 int32_t FlashFileResource::QueryFileHelper(const std::string& path, | |
| 204 PepperFilePath::Domain domain_type, | |
| 205 PP_FileInfo* info) { | |
| 206 if (path.empty() || !info) | |
| 207 return PP_ERROR_BADARGUMENT; | |
| 208 | |
| 209 base::PlatformFileInfo file_info; | |
| 210 PepperFilePath pepper_path(domain_type, FilePath::FromUTF8Unsafe(path)); | |
| 211 | |
| 212 int32_t error = SyncCall<PpapiPluginMsg_FlashFile_QueryFileReply>(BROWSER, | |
| 213 PpapiHostMsg_FlashFile_QueryFile(pepper_path), &file_info); | |
| 214 | |
| 215 if (error == PP_OK) { | |
| 216 info->size = file_info.size; | |
| 217 info->creation_time = TimeToPPTime(file_info.creation_time); | |
| 218 info->last_access_time = TimeToPPTime(file_info.last_accessed); | |
| 219 info->last_modified_time = TimeToPPTime(file_info.last_modified); | |
| 220 info->system_type = PP_FILESYSTEMTYPE_EXTERNAL; | |
| 221 if (file_info.is_directory) | |
| 222 info->type = PP_FILETYPE_DIRECTORY; | |
| 223 else | |
| 224 info->type = PP_FILETYPE_REGULAR; | |
| 225 } | |
| 226 | |
| 227 return error; | |
| 228 } | |
| 229 | |
| 230 } // namespace proxy | |
| 231 } // namespace ppapi | |
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