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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/utility/importer/bookmarks_file_importer.h"
      6 
      7 #include "base/bind.h"
      8 #include "chrome/common/importer/imported_bookmark_entry.h"
      9 #include "chrome/common/importer/imported_favicon_usage.h"
     10 #include "chrome/common/importer/importer_bridge.h"
     11 #include "chrome/common/importer/importer_data_types.h"
     12 #include "chrome/common/net/url_fixer_upper.h"
     13 #include "chrome/common/url_constants.h"
     14 #include "chrome/utility/importer/bookmark_html_reader.h"
     15 #include "content/public/common/url_constants.h"
     16 #include "grit/generated_resources.h"
     17 
     18 namespace {
     19 
     20 bool IsImporterCancelled(BookmarksFileImporter* importer) {
     21   return importer->cancelled();
     22 }
     23 
     24 }  // namespace
     25 
     26 namespace internal {
     27 
     28 // Returns true if |url| has a valid scheme that we allow to import. We
     29 // filter out the URL with a unsupported scheme.
     30 bool CanImportURL(const GURL& url) {
     31   // The URL is not valid.
     32   if (!url.is_valid())
     33     return false;
     34 
     35   // Filter out the URLs with unsupported schemes.
     36   const char* const kInvalidSchemes[] = {"wyciwyg", "place"};
     37   for (size_t i = 0; i < arraysize(kInvalidSchemes); ++i) {
     38     if (url.SchemeIs(kInvalidSchemes[i]))
     39       return false;
     40   }
     41 
     42   // Check if |url| is about:blank.
     43   if (url == GURL(content::kAboutBlankURL))
     44     return true;
     45 
     46   // If |url| starts with chrome:// or about:, check if it's one of the URLs
     47   // that we support.
     48   if (url.SchemeIs(chrome::kChromeUIScheme) ||
     49       url.SchemeIs(chrome::kAboutScheme)) {
     50     GURL fixed_url(URLFixerUpper::FixupURL(url.spec(), std::string()));
     51     for (size_t i = 0; i < chrome::kNumberOfChromeHostURLs; ++i) {
     52       if (fixed_url.DomainIs(chrome::kChromeHostURLs[i]))
     53         return true;
     54     }
     55 
     56     for (int i = 0; i < chrome::kNumberOfChromeDebugURLs; ++i) {
     57       if (fixed_url == GURL(chrome::kChromeDebugURLs[i]))
     58         return true;
     59     }
     60 
     61     // If url has either chrome:// or about: schemes but wasn't found in the
     62     // above lists, it means we don't support it, so we don't allow the user
     63     // to import it.
     64     return false;
     65   }
     66 
     67   // Otherwise, we assume the url has a valid (importable) scheme.
     68   return true;
     69 }
     70 
     71 }  // namespace internal
     72 
     73 BookmarksFileImporter::BookmarksFileImporter() {}
     74 
     75 BookmarksFileImporter::~BookmarksFileImporter() {}
     76 
     77 void BookmarksFileImporter::StartImport(
     78     const importer::SourceProfile& source_profile,
     79     uint16 items,
     80     ImporterBridge* bridge) {
     81   // The only thing this importer can import is a bookmarks file, aka
     82   // "favorites".
     83   DCHECK_EQ(importer::FAVORITES, items);
     84 
     85   bridge->NotifyStarted();
     86   bridge->NotifyItemStarted(importer::FAVORITES);
     87 
     88   std::vector<ImportedBookmarkEntry> bookmarks;
     89   std::vector<ImportedFaviconUsage> favicons;
     90 
     91   bookmark_html_reader::ImportBookmarksFile(
     92       base::Bind(IsImporterCancelled, base::Unretained(this)),
     93       base::Bind(internal::CanImportURL),
     94       source_profile.source_path,
     95       &bookmarks,
     96       &favicons);
     97 
     98   if (!bookmarks.empty() && !cancelled()) {
     99     base::string16 first_folder_name =
    100         bridge->GetLocalizedString(IDS_BOOKMARK_GROUP);
    101     bridge->AddBookmarks(bookmarks, first_folder_name);
    102   }
    103   if (!favicons.empty())
    104     bridge->SetFavicons(favicons);
    105 
    106   bridge->NotifyItemEnded(importer::FAVORITES);
    107   bridge->NotifyEnded();
    108 }
    109