chrome/browser/ui/toolbar/origin_chip_info.cc

   1 // Copyright 2014 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/browser/ui/toolbar/origin_chip_info.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "base/strings/string_util.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/extensions/extension_icon_image.h"
  11 #include "chrome/browser/extensions/extension_service.h"
  12 #include "chrome/browser/extensions/extension_util.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/safe_browsing/client_side_detection_host.h"
  15 #include "chrome/browser/safe_browsing/safe_browsing_tab_observer.h"
  16 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  17 #include "chrome/common/extensions/extension_constants.h"
  18 #include "chrome/common/pref_names.h"
  19 #include "chrome/common/url_constants.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "extensions/browser/extension_system.h"
  22 #include "extensions/common/constants.h"
  23 #include "extensions/common/manifest_handlers/icons_handler.h"
  24 #include "grit/chromium_strings.h"
  25 #include "grit/component_strings.h"
  26 #include "grit/generated_resources.h"
  27 #include "grit/theme_resources.h"
  28 #include "net/base/net_util.h"
  29 #include "ui/base/l10n/l10n_util.h"
  30 #include "url/gurl.h"
  31
  32 namespace {
  33
  34 // For selected kChromeUIScheme and kAboutScheme, return the string resource
  35 // number for the title of the page. If we don't have a specialized title,
  36 // returns -1.
  37 int StringForChromeHost(const GURL& url) {
  38   DCHECK(url.is_empty() || url.SchemeIs(content::kChromeUIScheme));
  39
  40   if (url.is_empty())
  41     return IDS_NEW_TAB_TITLE;
  42
  43   // TODO(gbillock): Just get the page title and special case exceptions?
  44   std::string host = url.host();
  45   if (host == chrome::kChromeUIAppLauncherPageHost)
  46     return IDS_APP_DEFAULT_PAGE_NAME;
  47   if (host == chrome::kChromeUIBookmarksHost)
  48     return IDS_BOOKMARK_MANAGER_TITLE;
  49   if (host == chrome::kChromeUIComponentsHost)
  50     return IDS_COMPONENTS_TITLE;
  51   if (host == chrome::kChromeUICrashesHost)
  52     return IDS_CRASHES_TITLE;
  53 #if defined(ENABLE_SERVICE_DISCOVERY)
  54   if (host == chrome::kChromeUIDevicesHost)
  55     return IDS_LOCAL_DISCOVERY_DEVICES_PAGE_TITLE;
  56 #endif  // ENABLE_SERVICE_DISCOVERY
  57   if (host == chrome::kChromeUIDownloadsHost)
  58     return IDS_DOWNLOAD_TITLE;
  59   if (host == chrome::kChromeUIExtensionsHost)
  60     return IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE;
  61   if (host == chrome::kChromeUIHelpHost)
  62     return IDS_ABOUT_TAB_TITLE;
  63   if (host == chrome::kChromeUIHistoryHost)
  64     return IDS_HISTORY_TITLE;
  65   if (host == chrome::kChromeUINewTabHost)
  66     return IDS_NEW_TAB_TITLE;
  67   if (host == chrome::kChromeUIPluginsHost)
  68     return IDS_PLUGINS_TITLE;
  69   if (host == chrome::kChromeUIPolicyHost)
  70     return IDS_POLICY_TITLE;
  71   if (host == chrome::kChromeUIPrintHost)
  72     return IDS_PRINT_PREVIEW_TITLE;
  73   if (host == chrome::kChromeUISettingsHost)
  74     return IDS_SETTINGS_TITLE;
  75   if (host == chrome::kChromeUIVersionHost)
  76     return IDS_ABOUT_VERSION_TITLE;
  77
  78   return -1;
  79 }
  80
  81 }  // namespace
  82
  83 OriginChipInfo::OriginChipInfo(
  84     extensions::IconImage::Observer* owner,
  85     Profile* profile)
  86     : owner_(owner),
  87       profile_(profile) {}
  88
  89 OriginChipInfo::~OriginChipInfo() {}
  90
  91 bool OriginChipInfo::Update(const content::WebContents* web_contents,
  92                             const ToolbarModel* toolbar_model) {
  93   GURL displayed_url = toolbar_model->GetURL();
  94   ToolbarModel::SecurityLevel security_level =
  95       toolbar_model->GetSecurityLevel(true);
  96   bool is_url_malware = OriginChip::IsMalware(displayed_url, web_contents);
  97
  98   if ((displayed_url_ == displayed_url) &&
  99       (security_level_ == security_level) &&
 100       (is_url_malware_ == is_url_malware))
 101     return false;
 102
 103   displayed_url_ = displayed_url;
 104   security_level_ = security_level;
 105   is_url_malware_ = is_url_malware;
 106
 107   label_ = OriginChip::LabelFromURLForProfile(displayed_url, profile_);
 108   if (security_level_ == ToolbarModel::EV_SECURE) {
 109     label_ = l10n_util::GetStringFUTF16(IDS_SITE_CHIP_EV_SSL_LABEL,
 110                                         toolbar_model->GetEVCertName(),
 111                                         label_);
 112   }
 113
 114   if (displayed_url_.SchemeIs(extensions::kExtensionScheme)) {
 115     icon_ = IDR_EXTENSIONS_FAVICON;
 116
 117     const extensions::Extension* extension =
 118         extensions::ExtensionSystem::Get(profile_)->extension_service()->
 119             extensions()->GetExtensionOrAppByURL(displayed_url_);
 120     extension_icon_image_.reset(
 121         new extensions::IconImage(profile_,
 122                                   extension,
 123                                   extensions::IconsInfo::GetIcons(extension),
 124                                   extension_misc::EXTENSION_ICON_BITTY,
 125                                   extensions::util::GetDefaultAppIcon(),
 126                                   owner_));
 127
 128     // Forces load of the image.
 129     extension_icon_image_->image_skia().GetRepresentation(1.0f);
 130     if (!extension_icon_image_->image_skia().image_reps().empty())
 131       owner_->OnExtensionIconImageChanged(extension_icon_image_.get());
 132   } else {
 133     if (extension_icon_image_) {
 134       extension_icon_image_.reset();
 135       owner_->OnExtensionIconImageChanged(NULL);
 136     }
 137
 138     icon_ = (displayed_url_.is_empty() ||
 139              displayed_url_.SchemeIs(content::kChromeUIScheme)) ?
 140         IDR_PRODUCT_LOGO_16 :
 141         toolbar_model->GetIconForSecurityLevel(security_level_);
 142   }
 143
 144   return true;
 145 }
 146
 147 // static
 148 bool OriginChip::IsMalware(const GURL& url, const content::WebContents* tab) {
 149   DCHECK(tab);
 150
 151   if (tab->GetURL() != url)
 152     return false;
 153
 154   const safe_browsing::SafeBrowsingTabObserver* sb_observer =
 155       safe_browsing::SafeBrowsingTabObserver::FromWebContents(tab);
 156   return sb_observer && sb_observer->detection_host() &&
 157       sb_observer->detection_host()->DidPageReceiveSafeBrowsingMatch();
 158 }
 159
 160 // static
 161 base::string16 OriginChip::LabelFromURLForProfile(const GURL& provided_url,
 162                                                   Profile* profile) {
 163   // First, strip view-source: if it appears.  Note that GetContent removes
 164   // "view-source:" but leaves the original scheme (http, https, ftp, etc).
 165   GURL url(provided_url);
 166   if (url.SchemeIs(content::kViewSourceScheme))
 167     url = GURL(url.GetContent());
 168
 169   // About scheme pages. Currently all about: URLs other than about:blank
 170   // redirect to chrome: URLs, so this only affects about:blank.
 171   if (url.SchemeIs(content::kAboutScheme))
 172     return base::UTF8ToUTF16(url.spec());
 173
 174   // Chrome built-in pages.
 175   if (url.is_empty() || url.SchemeIs(content::kChromeUIScheme)) {
 176     int string_ref = StringForChromeHost(url);
 177     return l10n_util::GetStringUTF16(
 178         (string_ref == -1) ? IDS_SHORT_PRODUCT_NAME : string_ref);
 179   }
 180
 181   // For chrome-extension URLs, return the extension name.
 182   if (url.SchemeIs(extensions::kExtensionScheme)) {
 183     ExtensionService* service =
 184         extensions::ExtensionSystem::Get(profile)->extension_service();
 185     const extensions::Extension* extension =
 186         service->extensions()->GetExtensionOrAppByURL(url);
 187     return extension ?
 188         base::UTF8ToUTF16(extension->name()) : base::UTF8ToUTF16(url.host());
 189   }
 190
 191   if (url.SchemeIsHTTPOrHTTPS() || url.SchemeIs(content::kFtpScheme)) {
 192     // See ToolbarModelImpl::GetText(). Does not pay attention to any user
 193     // edits, and uses GetURL/net::FormatUrl -- We don't really care about
 194     // length or the autocomplete parser.
 195     // TODO(gbillock): This uses an algorithm very similar to GetText, which
 196     // is probably too conservative. Try out just using a simpler mechanism of
 197     // StripWWW() and IDNToUnicode().
 198     std::string languages;
 199     if (profile)
 200       languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
 201
 202     // TODO(macourteau): Extract the bits we care about from FormatUrl to
 203     // format |url.host()| instead of this.
 204     base::string16 formatted = net::FormatUrl(url.GetOrigin(), languages,
 205         net::kFormatUrlOmitAll, net::UnescapeRule::NORMAL, NULL, NULL, NULL);
 206     // Remove scheme, "www.", and trailing "/".
 207     if (StartsWith(formatted, base::ASCIIToUTF16("http://"), false))
 208       formatted = formatted.substr(7);
 209     else if (StartsWith(formatted, base::ASCIIToUTF16("https://"), false))
 210       formatted = formatted.substr(8);
 211     else if (StartsWith(formatted, base::ASCIIToUTF16("ftp://"), false))
 212       formatted = formatted.substr(6);
 213     if (StartsWith(formatted, base::ASCIIToUTF16("www."), false))
 214       formatted = formatted.substr(4);
 215     if (EndsWith(formatted, base::ASCIIToUTF16("/"), false))
 216       formatted = formatted.substr(0, formatted.size() - 1);
 217     return formatted;
 218   }
 219
 220   // These internal-ish debugging-style schemes we don't expect users
 221   // to see. In these cases, the site chip will display the first
 222   // part of the full URL.
 223   if (url.SchemeIs(chrome::kChromeNativeScheme) ||
 224       url.SchemeIs(content::kBlobScheme) ||
 225       url.SchemeIs(content::kChromeDevToolsScheme) ||
 226       url.SchemeIs(content::kDataScheme) ||
 227       url.SchemeIs(content::kFileScheme) ||
 228       url.SchemeIs(content::kFileSystemScheme) ||
 229       url.SchemeIs(content::kGuestScheme) ||
 230       url.SchemeIs(content::kJavaScriptScheme) ||
 231       url.SchemeIs(content::kMailToScheme) ||
 232       url.SchemeIs(content::kMetadataScheme) ||
 233       url.SchemeIs(content::kSwappedOutScheme)) {
 234     std::string truncated_url;
 235     base::TruncateUTF8ToByteSize(url.spec(), 1000, &truncated_url);
 236     return base::UTF8ToUTF16(truncated_url);
 237   }
 238
 239 #if defined(OS_CHROMEOS)
 240   if (url.SchemeIs(chrome::kCrosScheme) ||
 241       url.SchemeIs(chrome::kDriveScheme))
 242     return base::UTF8ToUTF16(url.spec());
 243 #endif
 244
 245   // If all else fails, return the hostname.
 246   return base::UTF8ToUTF16(url.host());
 247 }