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      1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_UI_WEBSITE_SETTINGS_WEBSITE_SETTINGS_H_
      6 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_WEBSITE_SETTINGS_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "base/strings/string16.h"
     10 #include "base/time/time.h"
     11 #include "chrome/browser/common/cancelable_request.h"
     12 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
     13 #include "chrome/browser/history/history_service.h"
     14 #include "chrome/common/content_settings.h"
     15 #include "chrome/common/content_settings_types.h"
     16 #include "ui/gfx/native_widget_types.h"
     17 #include "url/gurl.h"
     18 
     19 namespace content {
     20 class CertStore;
     21 struct SSLStatus;
     22 }
     23 
     24 class InfoBarService;
     25 class HostContentSettingsMap;
     26 class Profile;
     27 class WebsiteSettingsUI;
     28 
     29 // The |WebsiteSettings| provides information about a website's permissions,
     30 // connection state and its identity. It owns a UI that displays the
     31 // information and allows users to change the permissions. |WebsiteSettings|
     32 // objects must be created on the heap. They destroy themselves after the UI is
     33 // closed.
     34 class WebsiteSettings : public TabSpecificContentSettings::SiteDataObserver {
     35  public:
     36   // Status of a connection to a website.
     37   enum SiteConnectionStatus {
     38     SITE_CONNECTION_STATUS_UNKNOWN = 0,      // No status available.
     39     SITE_CONNECTION_STATUS_ENCRYPTED,        // Connection is encrypted.
     40     SITE_CONNECTION_STATUS_MIXED_CONTENT,    // Site has unencrypted content.
     41     SITE_CONNECTION_STATUS_UNENCRYPTED,      // Connection is not encrypted.
     42     SITE_CONNECTION_STATUS_ENCRYPTED_ERROR,  // Connection error occured.
     43     SITE_CONNECTION_STATUS_INTERNAL_PAGE,    // Internal site.
     44   };
     45 
     46   // Validation status of a website's identity.
     47   enum SiteIdentityStatus {
     48     // No status about the website's identity available.
     49     SITE_IDENTITY_STATUS_UNKNOWN = 0,
     50     // The website provided a valid certificate.
     51     SITE_IDENTITY_STATUS_CERT,
     52     // The website provided a valid EV certificate.
     53     SITE_IDENTITY_STATUS_EV_CERT,
     54     // The website provided a valid certificate but no revocation check could be
     55     // performed.
     56     SITE_IDENTITY_STATUS_CERT_REVOCATION_UNKNOWN,
     57     // Site identity could not be verified because the site did not provide a
     58     // certificate. This is the expected state for HTTP connections.
     59     SITE_IDENTITY_STATUS_NO_CERT,
     60     // An error occured while verifying the site identity.
     61     SITE_IDENTITY_STATUS_ERROR,
     62     // The site is a trusted internal chrome page.
     63     SITE_IDENTITY_STATUS_INTERNAL_PAGE,
     64     // The profile has accessed data using an administrator-provided
     65     // certificate, so the site might be able to intercept data.
     66     SITE_IDENTITY_STATUS_ADMIN_PROVIDED_CERT,
     67   };
     68 
     69   // Creates a WebsiteSettings for the passed |url| using the given |ssl| status
     70   // object to determine the status of the site's connection. The
     71   // |WebsiteSettings| takes ownership of the |ui|.
     72   WebsiteSettings(WebsiteSettingsUI* ui,
     73                   Profile* profile,
     74                   TabSpecificContentSettings* tab_specific_content_settings,
     75                   InfoBarService* infobar_service,
     76                   const GURL& url,
     77                   const content::SSLStatus& ssl,
     78                   content::CertStore* cert_store);
     79   virtual ~WebsiteSettings();
     80 
     81   // This method is called when ever a permission setting is changed.
     82   void OnSitePermissionChanged(ContentSettingsType type,
     83                                ContentSetting value);
     84 
     85   // Callback used for requests to fetch the number of page visits from history
     86   // service and the time of the first visit.
     87   void OnGotVisitCountToHost(HistoryService::Handle handle,
     88                              bool found_visits,
     89                              int visit_count,
     90                              base::Time first_visit);
     91 
     92   // This method is called by the UI when the UI is closing.
     93   void OnUIClosing();
     94 
     95   // Accessors.
     96   SiteConnectionStatus site_connection_status() const {
     97     return site_connection_status_;
     98   }
     99 
    100   SiteIdentityStatus site_identity_status() const {
    101     return site_identity_status_;
    102   }
    103 
    104   base::string16 site_connection_details() const {
    105     return site_connection_details_;
    106   }
    107 
    108   base::string16 site_identity_details() const {
    109     return site_identity_details_;
    110   }
    111 
    112   base::string16 organization_name() const {
    113     return organization_name_;
    114   }
    115 
    116   // SiteDataObserver implementation.
    117   virtual void OnSiteDataAccessed() OVERRIDE;
    118 
    119  private:
    120   // Initializes the |WebsiteSettings|.
    121   void Init(Profile* profile,
    122             const GURL& url,
    123             const content::SSLStatus& ssl);
    124 
    125   // Sets (presents) the information about the site's permissions in the |ui_|.
    126   void PresentSitePermissions();
    127 
    128   // Sets (presents) the information about the site's data in the |ui_|.
    129   void PresentSiteData();
    130 
    131   // Sets (presents) the information about the site's identity and connection
    132   // in the |ui_|.
    133   void PresentSiteIdentity();
    134 
    135   // Sets (presents) history information about the site in the |ui_|. Passing
    136   // base::Time() as value for |first_visit| will clear the history information
    137   // in the UI.
    138   void PresentHistoryInfo(base::Time first_visit);
    139 
    140   // The website settings UI displays information and controls for site
    141   // specific data (local stored objects like cookies), site specific
    142   // permissions (location, popup, plugin, etc.  permissions) and site specific
    143   // information (identity, connection status, etc.).
    144   WebsiteSettingsUI* ui_;
    145 
    146   // The infobar service of the active tab.
    147   InfoBarService* infobar_service_;
    148 
    149   // The flag that controls whether an infobar is displayed after the website
    150   // settings UI is closed or not.
    151   bool show_info_bar_;
    152 
    153   // The Omnibox URL of the website for which to display site permissions and
    154   // site information.
    155   GURL site_url_;
    156 
    157   // Status of the website's identity verification check.
    158   SiteIdentityStatus site_identity_status_;
    159 
    160   // For secure connection |cert_id_| is set to the ID of the server
    161   // certificate. For non secure connections |cert_id_| is 0.
    162   int cert_id_;
    163 
    164   // Status of the connection to the website.
    165   SiteConnectionStatus site_connection_status_;
    166 
    167   // TODO(markusheintz): Move the creation of all the base::string16 typed UI
    168   // strings below to the corresponding UI code, in order to prevent
    169   // unnecessary UTF-8 string conversions.
    170 
    171   // Details about the website's identity. If the website's identity has been
    172   // verified then |site_identity_details_| contains who verified the identity.
    173   // This string will be displayed in the UI.
    174   base::string16 site_identity_details_;
    175 
    176   // Details about the connection to the website. In case of an encrypted
    177   // connection |site_connection_details_| contains encryption details, like
    178   // encryption strength and ssl protocol version. This string will be
    179   // displayed in the UI.
    180   base::string16 site_connection_details_;
    181 
    182   // For websites that provided an EV certificate |orgainization_name_|
    183   // contains the organization name of the certificate. In all other cases
    184   // |organization_name| is an empty string. This string will be displayed in
    185   // the UI.
    186   base::string16 organization_name_;
    187 
    188   // The |CertStore| provides all X509Certificates.
    189   content::CertStore* cert_store_;
    190 
    191   // The |HostContentSettingsMap| is the service that provides and manages
    192   // content settings (aka. site permissions).
    193   HostContentSettingsMap* content_settings_;
    194 
    195   // Used to request the number of page visits.
    196   CancelableRequestConsumer visit_count_request_consumer_;
    197 
    198   DISALLOW_COPY_AND_ASSIGN(WebsiteSettings);
    199 };
    200 
    201 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_WEBSITE_SETTINGS_H_
    202