The Tor Browser: toolkit/system/gnome/nsGIOService.cpp@129ffea94266 (annotated)

toolkit/system/gnome/nsGIOService.cpp@129ffea94266 (annotated)

toolkit/system/gnome/nsGIOService.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "nsGIOService.h"
 #include "nsStringAPI.h"
 #include "nsIURI.h"
 #include "nsTArray.h"
 #include "nsIStringEnumerator.h"
 #include "nsAutoPtr.h"
 #include <gio/gio.h>
 #include <gtk/gtk.h>
 #ifdef MOZ_ENABLE_DBUS
 #include <dbus/dbus-glib.h>
 #include <dbus/dbus-glib-lowlevel.h>
 #endif
 char *
 get_content_type_from_mime_type(const char *mimeType)
 {
   GList* contentTypes = g_content_types_get_registered();
   GList* ct_ptr = contentTypes;
   char* foundContentType = nullptr;
   while (ct_ptr) {
     char *mimeTypeFromContentType =  g_content_type_get_mime_type((char*)ct_ptr->data);
     if (strcmp(mimeTypeFromContentType, mimeType) == 0) {
       foundContentType = g_strdup((char*)ct_ptr->data);
       g_free(mimeTypeFromContentType);
       break;
     }
     g_free(mimeTypeFromContentType);
     ct_ptr = ct_ptr->next;
   }
   g_list_foreach(contentTypes, (GFunc) g_free, nullptr);
   g_list_free(contentTypes);
   return foundContentType;
 }
 class nsGIOMimeApp MOZ_FINAL : public nsIGIOMimeApp
 {
 public:
   NS_DECL_ISUPPORTS
   NS_DECL_NSIGIOMIMEAPP
   nsGIOMimeApp(GAppInfo* aApp) : mApp(aApp) {}
   ~nsGIOMimeApp() { g_object_unref(mApp); }
 private:
   GAppInfo *mApp;
 };
 NS_IMPL_ISUPPORTS(nsGIOMimeApp, nsIGIOMimeApp)
 NS_IMETHODIMP
 nsGIOMimeApp::GetId(nsACString& aId)
 {
   aId.Assign(g_app_info_get_id(mApp));
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::GetName(nsACString& aName)
 {
   aName.Assign(g_app_info_get_name(mApp));
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::GetCommand(nsACString& aCommand)
 {
   const char *cmd = g_app_info_get_commandline(mApp);
   if (!cmd)
     return NS_ERROR_FAILURE;
   aCommand.Assign(cmd);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::GetExpectsURIs(int32_t* aExpects)
 {
   *aExpects = g_app_info_supports_uris(mApp);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::Launch(const nsACString& aUri)
 {
   GList uris = { 0 };
   PromiseFlatCString flatUri(aUri);
   uris.data = const_cast<char*>(flatUri.get());
   GError *error = nullptr;
   gboolean result = g_app_info_launch_uris(mApp, &uris, nullptr, &error);
   if (!result) {
     g_warning("Cannot launch application: %s", error->message);
     g_error_free(error);
     return NS_ERROR_FAILURE;
   }
   return NS_OK;
 }
 class GIOUTF8StringEnumerator MOZ_FINAL : public nsIUTF8StringEnumerator
 {
 public:
   GIOUTF8StringEnumerator() : mIndex(0) { }
   ~GIOUTF8StringEnumerator() { }
   NS_DECL_ISUPPORTS
   NS_DECL_NSIUTF8STRINGENUMERATOR
   nsTArray<nsCString> mStrings;
   uint32_t            mIndex;
 };
 NS_IMPL_ISUPPORTS(GIOUTF8StringEnumerator, nsIUTF8StringEnumerator)
 NS_IMETHODIMP
 GIOUTF8StringEnumerator::HasMore(bool* aResult)
 {
   *aResult = mIndex < mStrings.Length();
   return NS_OK;
 }
 NS_IMETHODIMP
 GIOUTF8StringEnumerator::GetNext(nsACString& aResult)
 {
   if (mIndex >= mStrings.Length())
     return NS_ERROR_UNEXPECTED;
   aResult.Assign(mStrings[mIndex]);
   ++mIndex;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::GetSupportedURISchemes(nsIUTF8StringEnumerator** aSchemes)
 {
   *aSchemes = nullptr;
   nsRefPtr<GIOUTF8StringEnumerator> array = new GIOUTF8StringEnumerator();
   NS_ENSURE_TRUE(array, NS_ERROR_OUT_OF_MEMORY);
   GVfs *gvfs = g_vfs_get_default();
   if (!gvfs) {
     g_warning("Cannot get GVfs object.");
     return NS_ERROR_OUT_OF_MEMORY;
   }
   const gchar* const * uri_schemes = g_vfs_get_supported_uri_schemes(gvfs);
   while (*uri_schemes != nullptr) {
     if (!array->mStrings.AppendElement(*uri_schemes)) {
       return NS_ERROR_OUT_OF_MEMORY;
     }
     uri_schemes++;
   }
   NS_ADDREF(*aSchemes = array);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOMimeApp::SetAsDefaultForMimeType(nsACString const& aMimeType)
 {
   char *content_type =
     get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
   if (!content_type)
     return NS_ERROR_FAILURE;
   GError *error = nullptr;
   g_app_info_set_as_default_for_type(mApp,
                                      content_type,
                                      &error);
   if (error) {
     g_warning("Cannot set application as default for MIME type (%s): %s",
               PromiseFlatCString(aMimeType).get(),
               error->message);
     g_error_free(error);
     g_free(content_type);
     return NS_ERROR_FAILURE;
   }
   g_free(content_type);
   return NS_OK;
 }
 /**
  * Set default application for files with given extensions
  * @param fileExts string of space separated extensions
  * @return NS_OK when application was set as default for given extensions,
  * NS_ERROR_FAILURE otherwise
  */
 NS_IMETHODIMP
 nsGIOMimeApp::SetAsDefaultForFileExtensions(nsACString const& fileExts)
 {
   GError *error = nullptr;
   char *extensions = g_strdup(PromiseFlatCString(fileExts).get());
   char *ext_pos = extensions;
   char *space_pos;
   while ( (space_pos = strchr(ext_pos, ' ')) || (*ext_pos != '\0') ) {
     if (space_pos) {
       *space_pos = '\0';
     }
     g_app_info_set_as_default_for_extension(mApp, ext_pos, &error);
     if (error) {
       g_warning("Cannot set application as default for extension (%s): %s",
                 ext_pos,
                 error->message);
       g_error_free(error);
       g_free(extensions);
       return NS_ERROR_FAILURE;
     }
     if (space_pos) {
       ext_pos = space_pos + 1;
     } else {
       *ext_pos = '\0';
     }
   }
   g_free(extensions);
   return NS_OK;
 }
 /**
  * Set default application for URI's of a particular scheme
  * @param aURIScheme string containing the URI scheme
  * @return NS_OK when application was set as default for URI scheme,
  * NS_ERROR_FAILURE otherwise
  */
 NS_IMETHODIMP
 nsGIOMimeApp::SetAsDefaultForURIScheme(nsACString const& aURIScheme)
 {
   GError *error = nullptr;
   nsAutoCString contentType("x-scheme-handler/");
   contentType.Append(aURIScheme);
   g_app_info_set_as_default_for_type(mApp,
                                      contentType.get(),
                                      &error);
   if (error) {
     g_warning("Cannot set application as default for URI scheme (%s): %s",
               PromiseFlatCString(aURIScheme).get(),
               error->message);
     g_error_free(error);
     return NS_ERROR_FAILURE;
   }
   return NS_OK;
 }
 NS_IMPL_ISUPPORTS(nsGIOService, nsIGIOService)
 NS_IMETHODIMP
 nsGIOService::GetMimeTypeFromExtension(const nsACString& aExtension,
                                              nsACString& aMimeType)
 {
   nsAutoCString fileExtToUse("file.");
   fileExtToUse.Append(aExtension);
   gboolean result_uncertain;
   char *content_type = g_content_type_guess(fileExtToUse.get(),
                                             nullptr,
 ,
                                             &result_uncertain);
   if (!content_type)
     return NS_ERROR_FAILURE;
   char *mime_type = g_content_type_get_mime_type(content_type);
   if (!mime_type) {
     g_free(content_type);
     return NS_ERROR_FAILURE;
   }
   aMimeType.Assign(mime_type);
   g_free(mime_type);
   g_free(content_type);
   return NS_OK;
 }
 // used in nsGNOMERegistry
 // -----------------------------------------------------------------------------
 NS_IMETHODIMP
 nsGIOService::GetAppForURIScheme(const nsACString& aURIScheme,
                                  nsIGIOMimeApp** aApp)
 {
   *aApp = nullptr;
   GAppInfo *app_info = g_app_info_get_default_for_uri_scheme(
                           PromiseFlatCString(aURIScheme).get());
   if (app_info) {
     nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
     NS_ADDREF(*aApp = mozApp);
   } else {
     return NS_ERROR_FAILURE;
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOService::GetAppForMimeType(const nsACString& aMimeType,
                                 nsIGIOMimeApp**   aApp)
 {
   *aApp = nullptr;
   char *content_type =
     get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
   if (!content_type)
     return NS_ERROR_FAILURE;
   GAppInfo *app_info = g_app_info_get_default_for_type(content_type, false);
   if (app_info) {
     nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
     NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
     NS_ADDREF(*aApp = mozApp);
   } else {
     g_free(content_type);
     return NS_ERROR_FAILURE;
   }
   g_free(content_type);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOService::GetDescriptionForMimeType(const nsACString& aMimeType,
                                               nsACString& aDescription)
 {
   char *content_type =
     get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
   if (!content_type)
     return NS_ERROR_FAILURE;
   char *desc = g_content_type_get_description(content_type);
   if (!desc) {
     g_free(content_type);
     return NS_ERROR_FAILURE;
   }
   aDescription.Assign(desc);
   g_free(content_type);
   g_free(desc);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOService::ShowURI(nsIURI* aURI)
 {
   nsAutoCString spec;
   aURI->GetSpec(spec);
   GError *error = nullptr;
   if (!g_app_info_launch_default_for_uri(spec.get(), nullptr, &error)) {
     g_warning("Could not launch default application for URI: %s", error->message);
     g_error_free(error);
     return NS_ERROR_FAILURE;
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGIOService::ShowURIForInput(const nsACString& aUri)
 {
   GFile *file = g_file_new_for_commandline_arg(PromiseFlatCString(aUri).get());
   char* spec = g_file_get_uri(file);
   nsresult rv = NS_ERROR_FAILURE;
   GError *error = nullptr;
   g_app_info_launch_default_for_uri(spec, nullptr, &error);
   if (error) {
     g_warning("Cannot launch default application: %s", error->message);
     g_error_free(error);
   } else {
     rv = NS_OK;
   }
   g_object_unref(file);
   g_free(spec);
   return rv;
 }
 NS_IMETHODIMP
 nsGIOService::OrgFreedesktopFileManager1ShowItems(const nsACString& aPath)
 {
 #ifndef MOZ_ENABLE_DBUS
   return NS_ERROR_FAILURE;
 #else
   GError* error = nullptr;
   static bool org_freedesktop_FileManager1_exists = true;
   if (!org_freedesktop_FileManager1_exists) {
     return NS_ERROR_NOT_AVAILABLE;
   }
   DBusGConnection* dbusGConnection = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
   if (!dbusGConnection) {
     if (error) {
       g_printerr("Failed to open connection to session bus: %s\n", error->message);
       g_error_free(error);
     }
     return NS_ERROR_FAILURE;
   }
   char *uri = g_filename_to_uri(PromiseFlatCString(aPath).get(), nullptr, nullptr);
   if (uri == nullptr) {
     return NS_ERROR_FAILURE;
   }
   DBusConnection* dbusConnection = dbus_g_connection_get_connection(dbusGConnection);
   // Make sure we do not exit the entire program if DBus connection get lost.
   dbus_connection_set_exit_on_disconnect(dbusConnection, false);
   DBusGProxy* dbusGProxy = dbus_g_proxy_new_for_name(dbusGConnection,
                                                      "org.freedesktop.FileManager1",
                                                      "/org/freedesktop/FileManager1",
                                                      "org.freedesktop.FileManager1");
   const char *uris[2] = { uri, nullptr };
   gboolean rv_dbus_call = dbus_g_proxy_call (dbusGProxy, "ShowItems", nullptr, G_TYPE_STRV, uris,
                                              G_TYPE_STRING, "", G_TYPE_INVALID, G_TYPE_INVALID);
   g_object_unref(dbusGProxy);
   dbus_g_connection_unref(dbusGConnection);
   g_free(uri);
   if (!rv_dbus_call) {
     org_freedesktop_FileManager1_exists = false;
     return NS_ERROR_NOT_AVAILABLE;
   }
   return NS_OK;
 #endif
 }
 /**
  * Create or find already existing application info for specified command
  * and application name.
  * @param cmd command to execute
  * @param appName application name
  * @param appInfo location where created GAppInfo is stored
  * @return NS_OK when object is created, NS_ERROR_FAILURE otherwise.
  */
 NS_IMETHODIMP
 nsGIOService::CreateAppFromCommand(nsACString const& cmd,
                                    nsACString const& appName,
                                    nsIGIOMimeApp**   appInfo)
 {
   GError *error = nullptr;
   *appInfo = nullptr;
   GAppInfo *app_info = nullptr, *app_info_from_list = nullptr;
   GList *apps = g_app_info_get_all();
   GList *apps_p = apps;
   // Try to find relevant and existing GAppInfo in all installed application
   // We do this by comparing each GAppInfo's executable with out own
   while (apps_p) {
     app_info_from_list = (GAppInfo*) apps_p->data;
     if (!app_info) {
       // If the executable is not absolute, get it's full path
       char *executable = g_find_program_in_path(g_app_info_get_executable(app_info_from_list));
       if (executable && strcmp(executable, PromiseFlatCString(cmd).get()) == 0) {
         g_object_ref (app_info_from_list);
         app_info = app_info_from_list;
       }
       g_free(executable);
     }
     g_object_unref(app_info_from_list);
     apps_p = apps_p->next;
   }
   g_list_free(apps);
   if (!app_info) {
     app_info = g_app_info_create_from_commandline(PromiseFlatCString(cmd).get(),
                                                   PromiseFlatCString(appName).get(),
                                                   G_APP_INFO_CREATE_SUPPORTS_URIS,
                                                   &error);
   }
   if (!app_info) {
     g_warning("Cannot create application info from command: %s", error->message);
     g_error_free(error);
     return NS_ERROR_FAILURE;
   }
   nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
   NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
   NS_ADDREF(*appInfo = mozApp);
   return NS_OK;
 }

The Tor Browser / annotate

toolkit/system/gnome/nsGIOService.cpp@129ffea94266 (annotated)

toolkit/system/gnome/nsGIOService.cpp