Move fileapi-related files from webkit/common/ to storage/common/ and set up redirect headers

webkit/common/database/database_identifier.cc

-// Copyright 2013 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/database/database_identifier.h"
-
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "url/url_canon.h"
-
-namespace storage {
-
-// static
-std::string GetIdentifierFromOrigin(const GURL& origin) {
-  return DatabaseIdentifier::CreateFromOrigin(origin).ToString();
-}
-
-// static
-GURL GetOriginFromIdentifier(const std::string& identifier) {
-  return DatabaseIdentifier::Parse(identifier).ToOrigin();
-}
-
-static bool SchemeIsUnique(const std::string& scheme) {
-  return scheme == "about" || scheme == "data" || scheme == "javascript";
-}
-
-// static
-const DatabaseIdentifier DatabaseIdentifier::UniqueFileIdentifier() {
-  return DatabaseIdentifier("", "", 0, true, true);
-}
-
-// static
-DatabaseIdentifier DatabaseIdentifier::CreateFromOrigin(const GURL& origin) {
-  if (!origin.is_valid() || origin.is_empty() ||
-      !origin.IsStandard() || SchemeIsUnique(origin.scheme()))
-    return DatabaseIdentifier();
-
-  if (origin.SchemeIsFile())
-    return UniqueFileIdentifier();
-
-  int port = origin.IntPort();
-  if (port == url::PORT_INVALID)
-    return DatabaseIdentifier();
-
-  // We encode the default port for the specified scheme as 0. GURL
-  // canonicalizes this as an unspecified port.
-  if (port == url::PORT_UNSPECIFIED)
-    port = 0;
-
-  return DatabaseIdentifier(origin.scheme(),
-                            origin.host(),
-                            port,
-                            false /* unique */,
-                            false /* file */);
-}
-
-// static
-DatabaseIdentifier DatabaseIdentifier::Parse(const std::string& identifier) {
-  if (!base::IsStringASCII(identifier))
-    return DatabaseIdentifier();
-  if (identifier.find("..") != std::string::npos)
-    return DatabaseIdentifier();
-  char forbidden[] = {'\\', '/', ':' ,'\0'};
-  if (identifier.find_first_of(forbidden, 0, arraysize(forbidden)) !=
-          std::string::npos) {
-    return DatabaseIdentifier();
-  }
-
-  size_t first_underscore = identifier.find_first_of('_');
-  if (first_underscore == std::string::npos || first_underscore == 0)
-    return DatabaseIdentifier();
-
-  size_t last_underscore = identifier.find_last_of('_');
-  if (last_underscore == std::string::npos ||
-      last_underscore == first_underscore ||
-      last_underscore == identifier.length() - 1)
-    return DatabaseIdentifier();
-
-  std::string scheme(identifier.data(), first_underscore);
-  if (scheme == "file")
-    return UniqueFileIdentifier();
-
-  // This magical set of schemes is always treated as unique.
-  if (SchemeIsUnique(scheme))
-    return DatabaseIdentifier();
-
-  base::StringPiece port_str(identifier.begin() + last_underscore + 1,
-                             identifier.end());
-  int port = 0;
-  if (!base::StringToInt(port_str, &port) || port < 0 || port >= 1 << 16)
-    return DatabaseIdentifier();
-
-  std::string hostname(identifier.data() + first_underscore + 1,
-                       last_underscore - first_underscore - 1);
-  GURL url(scheme + "://" + hostname + "/");
-
-  if (!url.IsStandard())
-    hostname = "";
-
-  // If a url doesn't parse cleanly or doesn't round trip, reject it.
-  if (!url.is_valid() || url.scheme() != scheme || url.host() != hostname)
-    return DatabaseIdentifier();
-
-  return DatabaseIdentifier(scheme, hostname, port, false /* unique */, false);
-}
-
-DatabaseIdentifier::DatabaseIdentifier()
-    : port_(0),
-      is_unique_(true),
-      is_file_(false) {
-}
-
-DatabaseIdentifier::DatabaseIdentifier(const std::string& scheme,
-                                       const std::string& hostname,
-                                       int port,
-                                       bool is_unique,
-                                       bool is_file)
-    : scheme_(scheme),
-      hostname_(base::StringToLowerASCII(hostname)),
-      port_(port),
-      is_unique_(is_unique),
-      is_file_(is_file) {
-}
-
-DatabaseIdentifier::~DatabaseIdentifier() {}
-
-std::string DatabaseIdentifier::ToString() const {
-  if (is_file_)
-    return "file__0";
-  if (is_unique_)
-    return "__0";
-  return scheme_ + "_" + hostname_ + "_" + base::IntToString(port_);
-}
-
-GURL DatabaseIdentifier::ToOrigin() const {
-  if (is_file_)
-    return GURL("file:///");
-  if (is_unique_)
-    return GURL();
-  if (port_ == 0)
-    return GURL(scheme_ + "://" + hostname_);
-  return GURL(scheme_ + "://" + hostname_ + ":" + base::IntToString(port_));
-}
-
-}  // namespace storage