Revert 222235 ""Redirecting URLs to Packaged Apps" implementatio..."

trunk/src/chrome/common/extensions/api/url_handlers/url_handlers_parser.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 "chrome/common/extensions/api/url_handlers/url_handlers_parser.h"
-
-#include "base/command_line.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/manifest_handlers/offline_enabled_info.h"
-#include "extensions/common/error_utils.h"
-#include "extensions/common/switches.h"
-#include "net/base/network_change_notifier.h"
-#include "url/gurl.h"
-
-using base::ASCIIToUTF16;
-using net::NetworkChangeNotifier;
-
-namespace mkeys = extensions::manifest_keys;
-namespace merrors = extension_manifest_errors;
-
-// TODO(sergeygs): Use the same strategy that externally_connectable does for
-// parsing the manifest: declare a schema for the manifest entry in
-// manifest_types.json, then use it here.
-//
-// See:
-// chrome/common/extensions/api/manifest_types.json
-// chrome/common/extensions/manifest_handlers/externally_connectable.*
-//
-// Do the same in (at least) file_handlers_parser.cc as well.
-
-namespace extensions {
-
-UrlHandlerInfo::UrlHandlerInfo() {
-}
-
-UrlHandlerInfo::~UrlHandlerInfo() {
-}
-
-UrlHandlers::UrlHandlers() {
-}
-
-UrlHandlers::~UrlHandlers() {
-}
-
-// static
-const std::vector<UrlHandlerInfo>* UrlHandlers::GetUrlHandlers(
-    const Extension* extension) {
-  UrlHandlers* info = static_cast<UrlHandlers*>(
-      extension->GetManifestData(mkeys::kUrlHandlers));
-  return info ? &info->handlers : NULL;
-}
-
-// static
-bool UrlHandlers::CanExtensionHandleUrl(
-    const Extension* extension,
-    const GURL& url) {
-  return FindMatchingUrlHandler(extension, url) != NULL;
-}
-
-// static
-const UrlHandlerInfo* UrlHandlers::FindMatchingUrlHandler(
-    const Extension* extension,
-    const GURL& url) {
-  const std::vector<UrlHandlerInfo>* handlers = GetUrlHandlers(extension);
-  if (!handlers)
-    return NULL;
-
-  if (NetworkChangeNotifier::IsOffline() &&
-      !OfflineEnabledInfo::IsOfflineEnabled(extension))
-    return NULL;
-
-  for (std::vector<extensions::UrlHandlerInfo>::const_iterator it =
-       handlers->begin(); it != handlers->end(); it++) {
-    if (it->patterns.MatchesURL(url))
-      return &(*it);
-  }
-
-  return NULL;
-}
-
-UrlHandlersParser::UrlHandlersParser() {
-}
-
-UrlHandlersParser::~UrlHandlersParser() {
-}
-
-bool ParseUrlHandler(const std::string& handler_id,
-                     const DictionaryValue& handler_info,
-                     std::vector<UrlHandlerInfo>* url_handlers,
-                     string16* error) {
-  DCHECK(error);
-
-  UrlHandlerInfo handler;
-  handler.id = handler_id;
-
-  if (!handler_info.GetString(mkeys::kUrlHandlerTitle, &handler.title)) {
-    *error = ASCIIToUTF16(merrors::kInvalidURLHandlerTitle);
-    return false;
-  }
-
-  const ListValue* manif_patterns = NULL;
-  if (!handler_info.GetList(mkeys::kMatches, &manif_patterns) ||
-      manif_patterns->GetSize() == 0) {
-    *error = ErrorUtils::FormatErrorMessageUTF16(
-        merrors::kInvalidURLHandlerPattern, handler_id);
-    return false;
-  }
-
-  for (ListValue::const_iterator it = manif_patterns->begin();
-       it != manif_patterns->end(); ++it) {
-    std::string str_pattern;
-    (*it)->GetAsString(&str_pattern);
-    // TODO(sergeygs): Limit this to non-top-level domains.
-    // TODO(sergeygs): Also add a verification to the CWS installer that the
-    // URL patterns claimed here belong to the app's author verified sites.
-    URLPattern pattern(URLPattern::SCHEME_HTTP |
-                       URLPattern::SCHEME_HTTPS);
-    if (pattern.Parse(str_pattern) != URLPattern::PARSE_SUCCESS) {
-      *error = ErrorUtils::FormatErrorMessageUTF16(
-          merrors::kInvalidURLHandlerPatternElement, handler_id);
-      return false;
-    }
-    handler.patterns.AddPattern(pattern);
-  }
-
-  url_handlers->push_back(handler);
-
-  return true;
-}
-
-bool UrlHandlersParser::Parse(Extension* extension, string16* error) {
-  scoped_ptr<UrlHandlers> info(new UrlHandlers);
-  const DictionaryValue* all_handlers = NULL;
-  if (!extension->manifest()->GetDictionary(
-        mkeys::kUrlHandlers, &all_handlers)) {
-    *error = ASCIIToUTF16(merrors::kInvalidURLHandlers);
-    return false;
-  }
-
-  DCHECK(extension->is_platform_app());
-
-  for (DictionaryValue::Iterator iter(*all_handlers); !iter.IsAtEnd();
-       iter.Advance()) {
-    // A URL handler entry is a title and a list of URL patterns to handle.
-    const DictionaryValue* handler = NULL;
-    if (!iter.value().GetAsDictionary(&handler)) {
-      *error = ASCIIToUTF16(merrors::kInvalidURLHandlerPatternElement);
-      return false;
-    }
-
-    if (!ParseUrlHandler(iter.key(), *handler, &info->handlers, error)) {
-      // Text in |error| is set by ParseUrlHandler.
-      return false;
-    }
-  }
-
-  extension->SetManifestData(mkeys::kUrlHandlers, info.release());
-
-  return true;
-}
-
-const std::vector<std::string> UrlHandlersParser::Keys() const {
-  return SingleKey(mkeys::kUrlHandlers);
-}
-
-}  // namespace extensions