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Unified Diff: webkit/common/fileapi/file_system_util.cc

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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Index: webkit/common/fileapi/file_system_util.cc
diff --git a/webkit/common/fileapi/file_system_util.cc b/webkit/common/fileapi/file_system_util.cc
deleted file mode 100644
index ded3457ccf3efb2626c51f6491701a7adefefca5..0000000000000000000000000000000000000000
--- a/webkit/common/fileapi/file_system_util.cc
+++ /dev/null
@@ -1,512 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/common/fileapi/file_system_util.h"
-
-#include <algorithm>
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "base/strings/sys_string_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "net/base/escape.h"
-#include "net/base/net_errors.h"
-#include "url/gurl.h"
-#include "webkit/common/database/database_identifier.h"
-
-namespace fileapi {
-
-const char kPersistentDir[] = "/persistent";
-const char kTemporaryDir[] = "/temporary";
-const char kIsolatedDir[] = "/isolated";
-const char kExternalDir[] = "/external";
-const char kTestDir[] = "/test";
-
-const base::FilePath::CharType VirtualPath::kRoot[] = FILE_PATH_LITERAL("/");
-const base::FilePath::CharType VirtualPath::kSeparator = FILE_PATH_LITERAL('/');
-
-// TODO(ericu): Consider removing support for '\', even on Windows, if possible.
-// There's a lot of test code that will need reworking, and we may have trouble
-// with base::FilePath elsewhere [e.g. DirName and other methods may also need
-// replacement].
-base::FilePath VirtualPath::BaseName(const base::FilePath& virtual_path) {
- base::FilePath::StringType path = virtual_path.value();
-
- // Keep everything after the final separator, but if the pathname is only
- // one character and it's a separator, leave it alone.
- while (path.size() > 1 && base::FilePath::IsSeparator(path[path.size() - 1]))
- path.resize(path.size() - 1);
- base::FilePath::StringType::size_type last_separator =
- path.find_last_of(base::FilePath::kSeparators);
- if (last_separator != base::FilePath::StringType::npos &&
- last_separator < path.size() - 1)
- path.erase(0, last_separator + 1);
-
- return base::FilePath(path);
-}
-
-base::FilePath VirtualPath::DirName(const base::FilePath& virtual_path) {
- typedef base::FilePath::StringType StringType;
- StringType path = virtual_path.value();
-
- // The logic below is taken from that of base::FilePath::DirName, except
- // that this version never cares about '//' or drive-letters even on win32.
-
- // Strip trailing separators.
- while (path.size() > 1 && base::FilePath::IsSeparator(path[path.size() - 1]))
- path.resize(path.size() - 1);
-
- StringType::size_type last_separator =
- path.find_last_of(base::FilePath::kSeparators);
- if (last_separator == StringType::npos) {
- // path_ is in the current directory.
- return base::FilePath(base::FilePath::kCurrentDirectory);
- }
- if (last_separator == 0) {
- // path_ is in the root directory.
- return base::FilePath(path.substr(0, 1));
- }
- // path_ is somewhere else, trim the basename.
- path.resize(last_separator);
-
- // Strip trailing separators.
- while (path.size() > 1 && base::FilePath::IsSeparator(path[path.size() - 1]))
- path.resize(path.size() - 1);
-
- if (path.empty())
- return base::FilePath(base::FilePath::kCurrentDirectory);
-
- return base::FilePath(path);
-}
-
-void VirtualPath::GetComponents(
- const base::FilePath& path,
- std::vector<base::FilePath::StringType>* components) {
- typedef base::FilePath::StringType StringType;
-
- DCHECK(components);
- if (!components)
- return;
- components->clear();
- if (path.value().empty())
- return;
-
- StringType::size_type begin = 0, end = 0;
- while (begin < path.value().length() && end != StringType::npos) {
- end = path.value().find_first_of(base::FilePath::kSeparators, begin);
- StringType component = path.value().substr(
- begin, end == StringType::npos ? StringType::npos : end - begin);
- if (!component.empty() && component != base::FilePath::kCurrentDirectory)
- components->push_back(component);
- begin = end + 1;
- }
-}
-
-void VirtualPath::GetComponentsUTF8Unsafe(
- const base::FilePath& path,
- std::vector<std::string>* components) {
- DCHECK(components);
- if (!components)
- return;
- components->clear();
-
- std::vector<base::FilePath::StringType> stringtype_components;
- VirtualPath::GetComponents(path, &stringtype_components);
- std::vector<base::FilePath::StringType>::const_iterator it;
- for (it = stringtype_components.begin(); it != stringtype_components.end();
- ++it) {
- components->push_back(base::FilePath(*it).AsUTF8Unsafe());
- }
-}
-
-base::FilePath::StringType VirtualPath::GetNormalizedFilePath(
- const base::FilePath& path) {
- base::FilePath::StringType normalized_path = path.value();
- const size_t num_separators = base::FilePath::StringType(
- base::FilePath::kSeparators).length();
- for (size_t i = 0; i < num_separators; ++i) {
- std::replace(normalized_path.begin(), normalized_path.end(),
- base::FilePath::kSeparators[i], kSeparator);
- }
-
- return (IsAbsolute(normalized_path)) ?
- normalized_path : base::FilePath::StringType(kRoot) + normalized_path;
-}
-
-bool VirtualPath::IsAbsolute(const base::FilePath::StringType& path) {
- return path.find(kRoot) == 0;
-}
-
-bool VirtualPath::IsRootPath(const base::FilePath& path) {
- std::vector<base::FilePath::StringType> components;
- VirtualPath::GetComponents(path, &components);
- return (path.empty() || components.empty() ||
- (components.size() == 1 &&
- components[0] == VirtualPath::kRoot));
-}
-
-bool ParseFileSystemSchemeURL(const GURL& url,
- GURL* origin_url,
- FileSystemType* type,
- base::FilePath* virtual_path) {
- GURL origin;
- FileSystemType file_system_type = kFileSystemTypeUnknown;
-
- if (!url.is_valid() || !url.SchemeIsFileSystem())
- return false;
-
- const struct {
- FileSystemType type;
- const char* dir;
- } kValidTypes[] = {
- { kFileSystemTypePersistent, kPersistentDir },
- { kFileSystemTypeTemporary, kTemporaryDir },
- { kFileSystemTypeIsolated, kIsolatedDir },
- { kFileSystemTypeExternal, kExternalDir },
- { kFileSystemTypeTest, kTestDir },
- };
-
- // A path of the inner_url contains only mount type part (e.g. "/temporary").
- DCHECK(url.inner_url());
- std::string inner_path = url.inner_url()->path();
- for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kValidTypes); ++i) {
- if (inner_path == kValidTypes[i].dir) {
- file_system_type = kValidTypes[i].type;
- break;
- }
- }
-
- if (file_system_type == kFileSystemTypeUnknown)
- return false;
-
- std::string path = net::UnescapeURLComponent(url.path(),
- net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS |
- net::UnescapeRule::CONTROL_CHARS);
-
- // Ensure the path is relative.
- while (!path.empty() && path[0] == '/')
- path.erase(0, 1);
-
- base::FilePath converted_path = base::FilePath::FromUTF8Unsafe(path);
-
- // All parent references should have been resolved in the renderer.
- if (converted_path.ReferencesParent())
- return false;
-
- if (origin_url)
- *origin_url = url.GetOrigin();
- if (type)
- *type = file_system_type;
- if (virtual_path)
- *virtual_path = converted_path.NormalizePathSeparators().
- StripTrailingSeparators();
-
- return true;
-}
-
-GURL GetFileSystemRootURI(const GURL& origin_url, FileSystemType type) {
- // origin_url is based on a security origin, so http://foo.com or file:///
- // instead of the corresponding filesystem URL.
- DCHECK(!origin_url.SchemeIsFileSystem());
-
- std::string url = "filesystem:" + origin_url.GetWithEmptyPath().spec();
- switch (type) {
- case kFileSystemTypeTemporary:
- url += (kTemporaryDir + 1); // We don't want the leading slash.
- return GURL(url + "/");
- case kFileSystemTypePersistent:
- url += (kPersistentDir + 1); // We don't want the leading slash.
- return GURL(url + "/");
- case kFileSystemTypeExternal:
- url += (kExternalDir + 1); // We don't want the leading slash.
- return GURL(url + "/");
- case kFileSystemTypeIsolated:
- url += (kIsolatedDir + 1); // We don't want the leading slash.
- return GURL(url + "/");
- case kFileSystemTypeTest:
- url += (kTestDir + 1); // We don't want the leading slash.
- return GURL(url + "/");
- // Internal types are always pointed via isolated or external URLs.
- default:
- NOTREACHED();
- }
- NOTREACHED();
- return GURL();
-}
-
-std::string GetFileSystemName(const GURL& origin_url, FileSystemType type) {
- std::string origin_identifier =
- webkit_database::GetIdentifierFromOrigin(origin_url);
- std::string type_string = GetFileSystemTypeString(type);
- DCHECK(!type_string.empty());
- return origin_identifier + ":" + type_string;
-}
-
-FileSystemType QuotaStorageTypeToFileSystemType(
- quota::StorageType storage_type) {
- switch (storage_type) {
- case quota::kStorageTypeTemporary:
- return kFileSystemTypeTemporary;
- case quota::kStorageTypePersistent:
- return kFileSystemTypePersistent;
- case quota::kStorageTypeSyncable:
- return kFileSystemTypeSyncable;
- case quota::kStorageTypeQuotaNotManaged:
- case quota::kStorageTypeUnknown:
- return kFileSystemTypeUnknown;
- }
- return kFileSystemTypeUnknown;
-}
-
-quota::StorageType FileSystemTypeToQuotaStorageType(FileSystemType type) {
- switch (type) {
- case kFileSystemTypeTemporary:
- return quota::kStorageTypeTemporary;
- case kFileSystemTypePersistent:
- return quota::kStorageTypePersistent;
- case kFileSystemTypeSyncable:
- case kFileSystemTypeSyncableForInternalSync:
- return quota::kStorageTypeSyncable;
- case kFileSystemTypePluginPrivate:
- return quota::kStorageTypeQuotaNotManaged;
- default:
- return quota::kStorageTypeUnknown;
- }
-}
-
-std::string GetFileSystemTypeString(FileSystemType type) {
- switch (type) {
- case kFileSystemTypeTemporary:
- return "Temporary";
- case kFileSystemTypePersistent:
- return "Persistent";
- case kFileSystemTypeIsolated:
- return "Isolated";
- case kFileSystemTypeExternal:
- return "External";
- case kFileSystemTypeTest:
- return "Test";
- case kFileSystemTypeNativeLocal:
- return "NativeLocal";
- case kFileSystemTypeRestrictedNativeLocal:
- return "RestrictedNativeLocal";
- case kFileSystemTypeDragged:
- return "Dragged";
- case kFileSystemTypeNativeMedia:
- return "NativeMedia";
- case kFileSystemTypeDeviceMedia:
- return "DeviceMedia";
- case kFileSystemTypePicasa:
- return "Picasa";
- case kFileSystemTypeItunes:
- return "Itunes";
- case kFileSystemTypeIphoto:
- return "Iphoto";
- case kFileSystemTypeDrive:
- return "Drive";
- case kFileSystemTypeSyncable:
- case kFileSystemTypeSyncableForInternalSync:
- return "Syncable";
- case kFileSystemTypeNativeForPlatformApp:
- return "NativeForPlatformApp";
- case kFileSystemTypeForTransientFile:
- return "TransientFile";
- case kFileSystemTypePluginPrivate:
- return "PluginPrivate";
- case kFileSystemTypeCloudDevice:
- return "CloudDevice";
- case kFileSystemTypeProvided:
- return "Provided";
- case kFileSystemTypeDeviceMediaAsFileStorage:
- return "DeviceMediaStorage";
- case kFileSystemInternalTypeEnumStart:
- case kFileSystemInternalTypeEnumEnd:
- NOTREACHED();
- // Fall through.
- case kFileSystemTypeUnknown:
- return "Unknown";
- }
- NOTREACHED();
- return std::string();
-}
-
-std::string FilePathToString(const base::FilePath& file_path) {
-#if defined(OS_WIN)
- return base::UTF16ToUTF8(file_path.value());
-#elif defined(OS_POSIX)
- return file_path.value();
-#endif
-}
-
-base::FilePath StringToFilePath(const std::string& file_path_string) {
-#if defined(OS_WIN)
- return base::FilePath(base::UTF8ToUTF16(file_path_string));
-#elif defined(OS_POSIX)
- return base::FilePath(file_path_string);
-#endif
-}
-
-blink::WebFileError FileErrorToWebFileError(
- base::File::Error error_code) {
- switch (error_code) {
- case base::File::FILE_ERROR_NOT_FOUND:
- return blink::WebFileErrorNotFound;
- case base::File::FILE_ERROR_INVALID_OPERATION:
- case base::File::FILE_ERROR_EXISTS:
- case base::File::FILE_ERROR_NOT_EMPTY:
- return blink::WebFileErrorInvalidModification;
- case base::File::FILE_ERROR_NOT_A_DIRECTORY:
- case base::File::FILE_ERROR_NOT_A_FILE:
- return blink::WebFileErrorTypeMismatch;
- case base::File::FILE_ERROR_ACCESS_DENIED:
- return blink::WebFileErrorNoModificationAllowed;
- case base::File::FILE_ERROR_FAILED:
- return blink::WebFileErrorInvalidState;
- case base::File::FILE_ERROR_ABORT:
- return blink::WebFileErrorAbort;
- case base::File::FILE_ERROR_SECURITY:
- return blink::WebFileErrorSecurity;
- case base::File::FILE_ERROR_NO_SPACE:
- return blink::WebFileErrorQuotaExceeded;
- case base::File::FILE_ERROR_INVALID_URL:
- return blink::WebFileErrorEncoding;
- default:
- return blink::WebFileErrorInvalidModification;
- }
-}
-
-bool GetFileSystemPublicType(
- const std::string type_string,
- blink::WebFileSystemType* type) {
- DCHECK(type);
- if (type_string == "Temporary") {
- *type = blink::WebFileSystemTypeTemporary;
- return true;
- }
- if (type_string == "Persistent") {
- *type = blink::WebFileSystemTypePersistent;
- return true;
- }
- if (type_string == "Isolated") {
- *type = blink::WebFileSystemTypeIsolated;
- return true;
- }
- if (type_string == "External") {
- *type = blink::WebFileSystemTypeExternal;
- return true;
- }
- NOTREACHED();
- return false;
-}
-
-std::string GetIsolatedFileSystemName(const GURL& origin_url,
- const std::string& filesystem_id) {
- std::string name(fileapi::GetFileSystemName(
- origin_url, fileapi::kFileSystemTypeIsolated));
- name.append("_");
- name.append(filesystem_id);
- return name;
-}
-
-bool CrackIsolatedFileSystemName(const std::string& filesystem_name,
- std::string* filesystem_id) {
- DCHECK(filesystem_id);
-
- // |filesystem_name| is of the form {origin}:isolated_{filesystem_id}.
- std::string start_token(":");
- start_token = start_token.append(
- GetFileSystemTypeString(kFileSystemTypeIsolated)).append("_");
- // WebKit uses different case in its constant for isolated file system
- // names, so we do a case insensitive compare by converting both strings
- // to uppercase.
- // TODO(benwells): Remove this when WebKit uses the same constant.
- start_token = StringToUpperASCII(start_token);
- std::string filesystem_name_upper = StringToUpperASCII(filesystem_name);
- size_t pos = filesystem_name_upper.find(start_token);
- if (pos == std::string::npos)
- return false;
- if (pos == 0)
- return false;
-
- *filesystem_id = filesystem_name.substr(pos + start_token.length(),
- std::string::npos);
- if (filesystem_id->empty())
- return false;
-
- return true;
-}
-
-bool ValidateIsolatedFileSystemId(const std::string& filesystem_id) {
- const size_t kExpectedFileSystemIdSize = 32;
- if (filesystem_id.size() != kExpectedFileSystemIdSize)
- return false;
- const std::string kExpectedChars("ABCDEF0123456789");
- return base::ContainsOnlyChars(filesystem_id, kExpectedChars);
-}
-
-std::string GetIsolatedFileSystemRootURIString(
- const GURL& origin_url,
- const std::string& filesystem_id,
- const std::string& optional_root_name) {
- std::string root = GetFileSystemRootURI(origin_url,
- kFileSystemTypeIsolated).spec();
- if (base::FilePath::FromUTF8Unsafe(filesystem_id).ReferencesParent())
- return std::string();
- root.append(net::EscapePath(filesystem_id));
- root.append("/");
- if (!optional_root_name.empty()) {
- if (base::FilePath::FromUTF8Unsafe(optional_root_name).ReferencesParent())
- return std::string();
- root.append(net::EscapePath(optional_root_name));
- root.append("/");
- }
- return root;
-}
-
-std::string GetExternalFileSystemRootURIString(
- const GURL& origin_url,
- const std::string& mount_name) {
- std::string root = GetFileSystemRootURI(origin_url,
- kFileSystemTypeExternal).spec();
- if (base::FilePath::FromUTF8Unsafe(mount_name).ReferencesParent())
- return std::string();
- root.append(net::EscapePath(mount_name));
- root.append("/");
- return root;
-}
-
-base::File::Error NetErrorToFileError(int error) {
- switch (error) {
- case net::OK:
- return base::File::FILE_OK;
- case net::ERR_ADDRESS_IN_USE:
- return base::File::FILE_ERROR_IN_USE;
- case net::ERR_FILE_EXISTS:
- return base::File::FILE_ERROR_EXISTS;
- case net::ERR_FILE_NOT_FOUND:
- return base::File::FILE_ERROR_NOT_FOUND;
- case net::ERR_ACCESS_DENIED:
- return base::File::FILE_ERROR_ACCESS_DENIED;
- case net::ERR_TOO_MANY_SOCKET_STREAMS:
- return base::File::FILE_ERROR_TOO_MANY_OPENED;
- case net::ERR_OUT_OF_MEMORY:
- return base::File::FILE_ERROR_NO_MEMORY;
- case net::ERR_FILE_NO_SPACE:
- return base::File::FILE_ERROR_NO_SPACE;
- case net::ERR_INVALID_ARGUMENT:
- case net::ERR_INVALID_HANDLE:
- return base::File::FILE_ERROR_INVALID_OPERATION;
- case net::ERR_ABORTED:
- case net::ERR_CONNECTION_ABORTED:
- return base::File::FILE_ERROR_ABORT;
- case net::ERR_ADDRESS_INVALID:
- case net::ERR_INVALID_URL:
- return base::File::FILE_ERROR_INVALID_URL;
- default:
- return base::File::FILE_ERROR_FAILED;
- }
-}
-
-} // namespace fileapi
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