~ubuntu-core-dev/update-notifier/ubuntu

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <libnotify/notify.h>

#include "update-notifier.h"

#include "update.h"

#include "trayappletui.h"

static gboolean

check_system_crashes(void)

{

   int exitcode;

   if(!in_admin_group())

      return FALSE;

   // check for system crashes

   gchar *argv[] = { CRASHREPORT_HELPER, "--system", NULL };

   if(!g_spawn_sync(NULL,

                    argv,

                    NULL,

                    G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,

                    NULL,

                    NULL,

                    NULL,

                    NULL,

                    &exitcode,

                    NULL)) {

      g_warning("Can not run %s", CRASHREPORT_HELPER);

      return FALSE;

   }

   return exitcode == 0;

}

static gboolean

ask_invoke_apport_with_pkexec(void)

{

   GtkDialog *dialog;

   gchar *msg = _("System program problem detected");

   gchar *descr = _("Do you want to report the problem "

                    "now?");

   dialog = (GtkDialog*)gtk_message_dialog_new (NULL,

                                    GTK_DIALOG_DESTROY_WITH_PARENT,

                                    GTK_MESSAGE_QUESTION,

                                    GTK_BUTTONS_NONE,

                                    "%s", msg);

   gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),

                                            "%s", descr);

   gtk_dialog_add_button(dialog, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);

   gtk_dialog_add_button(dialog, _("Report problem…"), GTK_RESPONSE_ACCEPT);

   int res = gtk_dialog_run(dialog);

   gtk_widget_destroy(GTK_WIDGET(dialog));

   if (res == GTK_RESPONSE_ACCEPT)

      return TRUE;

   return FALSE;

}

static gboolean

run_apport(TrayApplet *ta)

{

   g_debug("fire up the crashreport tool");

   // be nice and always ask first before firing up pkexec

   if (check_system_crashes()) {

      // workaround, wayland doesn't allow pkexec use

      if (g_strcmp0 (g_getenv ("XDG_SESSION_TYPE"), "wayland") == 0)

         g_debug ("no pkexec for system reports under wayland");

      else if (ask_invoke_apport_with_pkexec())

         invoke_with_pkexec(CRASHREPORT_REPORT_APP);

   } else {

      return g_spawn_command_line_async(CRASHREPORT_REPORT_APP, NULL);

   }

   return TRUE;

}

static gboolean

show_notification (TrayApplet *ta)

{

   NotifyNotification *n;

   // check if the update-icon is still visible (in the delay time a

   // update may already have been performed)

   if(!tray_applet_ui_get_visible(ta))

      return FALSE;

   n = tray_applet_ui_get_data (ta, "notification");

   if (n)

      g_object_unref (n);

   tray_applet_ui_set_data (ta, "notification", NULL);

   // now show a notification handle

   n = notify_notification_new(

				     _("Crash report detected"),

				     _("An application has crashed on your "

				       "system (now or in the past). "

				       "Click on the notification icon to "

				       "display details. "

				       ),

				     GTK_STOCK_DIALOG_INFO);

   notify_notification_set_timeout (n, 60000);

   notify_notification_show (n, NULL);

   tray_applet_ui_set_data (ta, "notification", n);

   return FALSE;

}

static void

hide_crash_applet(TrayApplet *ta)

{

   NotifyNotification *n;

   /* Hide any notification popup */

   n = tray_applet_ui_get_data (ta, "notification");

   if (n) {

      notify_notification_close (n, NULL);

      g_object_unref (n);

   }

   tray_applet_ui_destroy (ta);

}

static gboolean

button_release_cb (GtkWidget *widget,

		   TrayApplet *ta)

{

   run_apport(ta);

   hide_crash_applet(ta);

   return TRUE;

}

gboolean

crashreport_check (TrayApplet *ta)

{

   int crashreports_found = 0;

   gboolean system_crashes;

   g_debug("crashreport_check");

   // don't do anything if no apport-gtk is installed

   if(!g_file_test(CRASHREPORT_REPORT_APP, G_FILE_TEST_IS_EXECUTABLE))

      return FALSE;

   // don't do anything if autoreport is enabled

   if (g_file_test(CRASHREPORT_AUTOREPORT, G_FILE_TEST_EXISTS))

      return FALSE;

   // if whoopsie is installed, but disabled, don't do anything

   if (g_file_test(CRASHREPORT_WHOOPSIE_EXEC, G_FILE_TEST_IS_EXECUTABLE)) {

      int exitcode;

      gchar *argv[] = { "/bin/systemctl", "is-enabled", "-q", CRASHREPORT_WHOOPSIE_SERVICE, NULL };

      if (g_spawn_sync(NULL, argv, NULL, G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,

                      NULL, NULL, NULL, NULL, &exitcode, NULL)) {

         if (exitcode != 0) {

            g_debug("whoopsie disabled, not displaying crashes");

            return FALSE;

         }

      }

   }

   // Check whether the user doesn't want notifications

   if (!g_settings_get_boolean (ta->un->settings,

                                SETTINGS_KEY_APPORT_NOTIFICATIONS)) {

      g_debug("apport notifications disabled, not displaying crashes");

      return FALSE;

   }

   // check for (new) reports by calling CRASHREPORT_HELPER

   // and checking the return code

   int exitcode;

   gchar *argv[] = { CRASHREPORT_HELPER, NULL };

   if(!g_spawn_sync(NULL,

                    argv,

                    NULL,

                    G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,

                    NULL,

                    NULL,

                    NULL,

                    NULL,

                    &exitcode,

                    NULL)) {

      g_warning("Can not run %s", CRASHREPORT_HELPER);

      return FALSE;

   }

   // exitcode == 0: reports found, else no reports

   system_crashes = check_system_crashes();

   crashreports_found = !exitcode || system_crashes;

   if (crashreports_found > 0) {

      g_debug("crashreport found running apport now");

      crashreports_found=0;

      run_apport(ta);

      return TRUE;

   } else

      return FALSE;

   // non-autolaunch will always use the notification area

   gboolean visible = tray_applet_ui_get_visible(ta);

   // crashreport found

   if(crashreports_found > 0 && !visible) {

      tray_applet_ui_ensure(ta);

      tray_applet_ui_set_single_action(ta, _("Crash report detected"),

                                       G_CALLBACK(button_release_cb), ta);

      tray_applet_ui_set_visible(ta, TRUE);

      /* Show the notification, after a delay so it doesn't look ugly

       * if we've just logged in */

      g_timeout_add_seconds(5, (GSourceFunc)(show_notification), ta);

   }

   // no crashreports, but visible

   if((crashreports_found == 0) && visible) {

      hide_crash_applet(ta);

   }

   return TRUE;

}

static gboolean

crashreport_check_initially(TrayApplet *ta)

{

   crashreport_check(ta);

   // stop timeout handler

   return FALSE;

}

void

crashreport_tray_icon_init (TrayApplet *ta)

{

	/* Check for crashes for the first time */

	g_timeout_add_seconds(1, (GSourceFunc)crashreport_check_initially, ta);

}