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Diffstat (limited to 'src/terminal-nautilus.cc')
| -rw-r--r-- | src/terminal-nautilus.cc | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/src/terminal-nautilus.cc b/src/terminal-nautilus.cc new file mode 100644 index 0000000..34968e5 --- /dev/null +++ b/src/terminal-nautilus.cc @@ -0,0 +1,776 @@ +/* + * Copyright (C) 2004, 2005 Free Software Foundation, Inc. + * Copyright © 2011 Christian Persch + * Author: Christian Neumair <chris@gnome-de.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <glib.h> +#include <glib/gi18n-lib.h> +#include <gio/gio.h> + +/* Work around https://gitlab.gnome.org/GNOME/nautilus/-/issues/1884 */ +extern "C" { +#include <nautilus-extension.h> +} + +#include <errno.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> + +#include "terminal-i18n.hh" +#include "terminal-client-utils.hh" +#include "terminal-defines.hh" +#include "terminal-gdbus-generated.h" + +/* Nautilus extension class */ + +#undef TERMINAL_NAUTILUS + +#define TERMINAL_TYPE_NAUTILUS (terminal_nautilus_get_type ()) +#define TERMINAL_NAUTILUS(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TERMINAL_TYPE_NAUTILUS, TerminalNautilus)) +#define TERMINAL_NAUTILUS_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), TERMINAL_TYPE_NAUTILUS, TerminalNautilusClass)) +#define TERMINAL_IS_NAUTILUS(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TERMINAL_TYPE_NAUTILUS)) +#define TERMINAL_IS_NAUTILUS_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), TERMINAL_TYPE_NAUTILUS)) +#define TERMINAL_NAUTILUS_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), TERMINAL_TYPE_NAUTILUS, TerminalNautilusClass)) + +typedef struct _TerminalNautilus TerminalNautilus; +typedef struct _TerminalNautilusClass TerminalNautilusClass; + +struct _TerminalNautilus { + GObject parent_instance; + + GSettings *lockdown_prefs; +}; + +struct _TerminalNautilusClass { + GObjectClass parent_class; +}; + +static GType terminal_nautilus_get_type (void); + +/* Nautilus menu item class */ + +#define TERMINAL_TYPE_NAUTILUS_MENU_ITEM (terminal_nautilus_menu_item_get_type ()) +#define TERMINAL_NAUTILUS_MENU_ITEM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TERMINAL_TYPE_NAUTILUS_MENU_ITEM, TerminalNautilusMenuItem)) +#define TERMINAL_NAUTILUS_MENU_ITEM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), TERMINAL_TYPE_NAUTILUS_MENU_ITEM, TerminalNautilusMenuItemClass)) +#define TERMINAL_IS_NAUTILUS_MENU_ITEM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TERMINAL_TYPE_NAUTILUS_MENU_ITEM)) +#define TERMINAL_IS_NAUTILUS_MENU_ITEM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), TERMINAL_TYPE_NAUTILUS_MENU_ITEM)) +#define TERMINAL_NAUTILUS_MENU_ITEM_GET_CLASS(o)(G_TYPE_INSTANCE_GET_CLASS ((o), TERMINAL_TYPE_NAUTILUS_MENU_ITEM, TerminalNautilusMenuItemClass)) + +typedef struct _TerminalNautilusMenuItem TerminalNautilusMenuItem; +typedef struct _TerminalNautilusMenuItemClass TerminalNautilusMenuItemClass; + +struct _TerminalNautilusMenuItem { + NautilusMenuItem parent_instance; + + TerminalNautilus *nautilus; + NautilusFileInfo *file_info; + gboolean remote_terminal; +}; + +struct _TerminalNautilusMenuItemClass { + NautilusMenuItemClass parent_class; +}; + +static GType terminal_nautilus_menu_item_get_type (void); + +/* --- */ + +#define TERMINAL_ICON_NAME "org.gnome.Terminal" + +typedef enum { + /* local files. Always open "conventionally", i.e. cd and spawn. */ + FILE_INFO_LOCAL, + FILE_INFO_DESKTOP, + /* SFTP: Shell terminals are opened "remote" (i.e. with ssh client), + * commands are executed like OTHER. + */ + FILE_INFO_SFTP, + /* OTHER: Terminals and commands are opened by mapping the URI back + * to ~/.gvfs, i.e. to the GVFS FUSE bridge. + */ + FILE_INFO_OTHER +} TerminalFileInfo; + +static TerminalFileInfo +get_terminal_file_info_from_uri (const char *uri) +{ + TerminalFileInfo ret; + char *uri_scheme; + + uri_scheme = g_uri_parse_scheme (uri); + + if (uri_scheme == nullptr) { + ret = FILE_INFO_OTHER; + } else if (strcmp (uri_scheme, "file") == 0) { + ret = FILE_INFO_LOCAL; + } else if (strcmp (uri_scheme, "x-nautilus-desktop") == 0) { + ret = FILE_INFO_DESKTOP; + } else if (strcmp (uri_scheme, "sftp") == 0 || + strcmp (uri_scheme, "ssh") == 0) { + ret = FILE_INFO_SFTP; + } else { + ret = FILE_INFO_OTHER; + } + + g_free (uri_scheme); + + return ret; +} + +/* Helpers */ + +#define NAUTILUS_SETTINGS_SCHEMA "org.gnome.Nautilus" +#define GNOME_DESKTOP_LOCKDOWN_SETTINGS_SCHEMA "org.gnome.desktop.lockdown" + +/* a very simple URI parsing routine from Launchpad #333462, until GLib supports URI parsing (GNOME #489862) */ +#define SFTP_PREFIX "sftp://" +static void +parse_sftp_uri (GFile *file, + char **user, + char **host, + unsigned int *port, + char **path) +{ + char *tmp, *save; + char *uri; + + uri = g_file_get_uri (file); + g_assert (uri != nullptr); + save = uri; + + *path = nullptr; + *user = nullptr; + *host = nullptr; + *port = 0; + + /* skip intial 'sftp:// prefix */ + g_assert (!strncmp (uri, SFTP_PREFIX, strlen (SFTP_PREFIX))); + uri += strlen (SFTP_PREFIX); + + /* cut out the path */ + tmp = strchr (uri, '/'); + if (tmp != nullptr) { + *path = g_uri_unescape_string (tmp, "/"); + *tmp = '\0'; + } + + /* read the username - it ends with @ */ + tmp = strchr (uri, '@'); + if (tmp != nullptr) { + *tmp++ = '\0'; + + *user = strdup (uri); + if (strchr (*user, ':') != nullptr) { + /* chop the password */ + *(strchr (*user, ':')) = '\0'; + } + + uri = tmp; + } + + /* now read the port, starts with : */ + tmp = strchr (uri, ':'); + if (tmp != nullptr) { + *tmp++ = '\0'; + *port = atoi (tmp); /*FIXME: getservbyname*/ + } + + /* what is left is the host */ + *host = strdup (uri); + g_free (save); +} + +static char ** +ssh_argv (const char *uri, + int *argcp) +{ + GFile *file; + char **argv; + int argc; + char *host_name, *path, *user_name, *quoted_path; + guint host_port; + + g_assert (uri != nullptr); + + argv = g_new0 (char *, 9); + argc = 0; + argv[argc++] = g_strdup ("ssh"); + argv[argc++] = g_strdup ("-t"); + + file = g_file_new_for_uri (uri); + parse_sftp_uri (file, &user_name, &host_name, &host_port, &path); + g_object_unref (file); + + if (user_name != nullptr) { + argv[argc++ ]= g_strdup_printf ("%s@%s", user_name, host_name); + g_free (host_name); + g_free (user_name); + } else { + argv[argc++] = host_name; + } + + if (host_port != 0) { + argv[argc++] = g_strdup ("-p"); + argv[argc++] = g_strdup_printf ("%u", host_port); + } + + /* FIXME to we have to consider the remote file encoding? */ + quoted_path = g_shell_quote (path); + + /* login shell */ + argv[argc++] = g_strdup_printf ("cd %s && exec $SHELL -l", quoted_path); + + g_free (path); + g_free (quoted_path); + + *argcp = argc; + return argv; +} + +static gboolean +terminal_locked_down (TerminalNautilus *nautilus) +{ + return g_settings_get_boolean (nautilus->lockdown_prefs, + "disable-command-line"); +} + +/* used to determine for remote URIs whether GVFS is capable of mapping them to ~/.gvfs */ +static gboolean +uri_has_local_path (const char *uri) +{ + GFile *file; + char *path; + gboolean ret; + + file = g_file_new_for_uri (uri); + path = g_file_get_path (file); + + ret = (path != nullptr); + + g_free (path); + g_object_unref (file); + + return ret; +} + +/* Nautilus menu item class */ + +namespace { + +typedef struct { + TerminalNautilus *nautilus; + guint32 timestamp; + char *path; + char *uri; + TerminalFileInfo info; + gboolean remote; +} ExecData; + +} // anon namespace + +static void +exec_data_free (ExecData *data) +{ + g_object_unref (data->nautilus); + g_free (data->path); + g_free (data->uri); + + g_free (data); +} + +/* FIXME: make this async */ +static gboolean +create_terminal (ExecData *data /* transfer full */) +{ + TerminalFactory *factory; + TerminalReceiver *receiver; + GError *error = nullptr; + GVariantBuilder builder; + char *object_path; + char startup_id[32]; + char **argv; + int argc; + + factory = terminal_factory_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, + GDBusProxyFlags(G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | + G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS), + TERMINAL_APPLICATION_ID, + TERMINAL_FACTORY_OBJECT_PATH, + nullptr /* cancellable */, + &error); + if (factory == nullptr) { + g_dbus_error_strip_remote_error (error); + g_printerr ("Error constructing proxy for %s:%s: %s\n", + TERMINAL_APPLICATION_ID, TERMINAL_FACTORY_OBJECT_PATH, + error->message); + g_error_free (error); + exec_data_free (data); + return FALSE; + } + + g_snprintf (startup_id, sizeof (startup_id), "_TIME%u", data->timestamp); + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}")); + + terminal_client_append_create_instance_options (&builder, + nullptr, // display name. FIXMEgtk4? + startup_id, + nullptr, /* activation_token */ + nullptr /* geometry */, + nullptr /* role */, + nullptr /* use default profile */, + nullptr /* use profile encoding */, + nullptr /* title */, + TRUE, /* active */ + FALSE /* maximised */, + FALSE /* fullscreen */); + + if (!terminal_factory_call_create_instance_sync + (factory, + g_variant_builder_end (&builder), + &object_path, + nullptr /* cancellable */, + &error)) { + g_dbus_error_strip_remote_error (error); + g_printerr ("Error creating terminal: %s\n", error->message); + g_error_free (error); + g_object_unref (factory); + exec_data_free (data); + return FALSE; + } + + g_object_unref (factory); + + receiver = terminal_receiver_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, + GDBusProxyFlags(G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | + G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS), + TERMINAL_APPLICATION_ID, + object_path, + nullptr /* cancellable */, + &error); + if (receiver == nullptr) { + g_dbus_error_strip_remote_error (error); + g_printerr ("Failed to create proxy for terminal: %s\n", error->message); + g_error_free (error); + g_free (object_path); + exec_data_free (data); + return FALSE; + } + + g_free (object_path); + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}")); + + terminal_client_append_exec_options (&builder, + TRUE, /* pass environment */ + data->path, + nullptr, 0, /* FD array */ + TRUE /* shell */); + + if (data->info == FILE_INFO_SFTP && + data->remote) { + argv = ssh_argv (data->uri, &argc); + } else { + argv = nullptr; argc = 0; + } + + if (!terminal_receiver_call_exec_sync (receiver, + g_variant_builder_end (&builder), + g_variant_new_bytestring_array ((const char * const *) argv, argc), + nullptr /* in FD list */, + nullptr /* out FD list */, + nullptr /* cancellable */, + &error)) { + g_dbus_error_strip_remote_error (error); + g_printerr ("Error: %s\n", error->message); + g_error_free (error); + g_strfreev (argv); + g_object_unref (receiver); + exec_data_free (data); + return FALSE; + } + + g_strfreev (argv); + + exec_data_free (data); + + g_object_unref (receiver); + + return TRUE; +} + +static void +terminal_nautilus_menu_item_activate (NautilusMenuItem *item) +{ + TerminalNautilusMenuItem *menu_item = TERMINAL_NAUTILUS_MENU_ITEM (item); + TerminalNautilus *nautilus = menu_item->nautilus; + char *uri, *path; + TerminalFileInfo info; + ExecData *data; + + uri = nautilus_file_info_get_activation_uri (menu_item->file_info); + if (uri == nullptr) + return; + + path = nullptr; + info = get_terminal_file_info_from_uri (uri); + + switch (info) { + case FILE_INFO_LOCAL: + path = g_filename_from_uri (uri, nullptr, nullptr); + break; + + case FILE_INFO_DESKTOP: + path = g_strdup (g_get_home_dir ()); + break; + + case FILE_INFO_SFTP: + if (menu_item->remote_terminal) + break; + + [[fallthrough]]; + case FILE_INFO_OTHER: { + GFile *file; + + /* map back remote URI to local path */ + file = g_file_new_for_uri (uri); + path = g_file_get_path (file); + g_object_unref (file); + break; + } + + default: + g_assert_not_reached (); + } + + if (path == nullptr && (info != FILE_INFO_SFTP || !menu_item->remote_terminal)) { + g_free (uri); + return; + } + + data = g_new (ExecData, 1); + data->nautilus = (TerminalNautilus*)g_object_ref (nautilus); + data->timestamp = 0; // GDK_CURRENT_TIME + data->path = path; + data->uri = uri; + data->info = info; + data->remote = menu_item->remote_terminal; + + create_terminal (data); +} + +G_DEFINE_DYNAMIC_TYPE (TerminalNautilusMenuItem, terminal_nautilus_menu_item, NAUTILUS_TYPE_MENU_ITEM) + +static void +terminal_nautilus_menu_item_init (TerminalNautilusMenuItem *nautilus_menu_item) +{ +} + +static void +terminal_nautilus_menu_item_dispose (GObject *object) +{ + TerminalNautilusMenuItem *menu_item = TERMINAL_NAUTILUS_MENU_ITEM (object); + + if (menu_item->file_info != nullptr) { + g_object_unref (menu_item->file_info); + menu_item->file_info = nullptr; + } + if (menu_item->nautilus != nullptr) { + g_object_unref (menu_item->nautilus); + menu_item->nautilus = nullptr; + } + + G_OBJECT_CLASS (terminal_nautilus_menu_item_parent_class)->dispose (object); +} + +static void +terminal_nautilus_menu_item_class_init (TerminalNautilusMenuItemClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + NautilusMenuItemClass *menu_item_class = NAUTILUS_MENU_ITEM_CLASS (klass); + + gobject_class->dispose = terminal_nautilus_menu_item_dispose; + + menu_item_class->activate = terminal_nautilus_menu_item_activate; +} + +static void +terminal_nautilus_menu_item_class_finalize (TerminalNautilusMenuItemClass *klass) +{ +} + +static NautilusMenuItem * +terminal_nautilus_menu_item_new (TerminalNautilus *nautilus, + NautilusFileInfo *file_info, + TerminalFileInfo terminal_file_info, + gboolean remote_terminal, + gboolean is_file_item) +{ + TerminalNautilusMenuItem *item; + const char *action_name; + const char *name; + const char *tooltip; + + if (is_file_item) { + action_name = remote_terminal ? "TerminalNautilus:OpenRemote" + : "TerminalNautilus:OpenLocal"; + } else { + action_name = remote_terminal ? "TerminalNautilus:OpenFolderRemote" + : "TerminalNautilus:OpenFolderLocal"; + } + + switch (terminal_file_info) { + case FILE_INFO_SFTP: + if (remote_terminal) { + name = _("Open in _Remote Terminal"); + } else { + name = _("Open in _Local Terminal"); + } + + if (is_file_item) { + tooltip = _("Open the currently selected folder in a terminal"); + } else { + tooltip = _("Open the currently open folder in a terminal"); + } + break; + + case FILE_INFO_LOCAL: + case FILE_INFO_OTHER: + name = _("Open in T_erminal"); + + if (is_file_item) { + tooltip = _("Open the currently selected folder in a terminal"); + } else { + tooltip = _("Open the currently open folder in a terminal"); + } + break; + + case FILE_INFO_DESKTOP: + name = _("Open T_erminal"); + tooltip = _("Open a terminal"); + break; + + default: + g_assert_not_reached (); + } + + item = (TerminalNautilusMenuItem*)g_object_new (TERMINAL_TYPE_NAUTILUS_MENU_ITEM, + "name", action_name, + "label", name, + "tip", tooltip, + "icon", TERMINAL_ICON_NAME, + nullptr); + + item->nautilus = (TerminalNautilus*)g_object_ref (nautilus); + item->file_info = (NautilusFileInfo*)g_object_ref (file_info); + item->remote_terminal = remote_terminal; + + return (NautilusMenuItem *) item; +} + +/* Nautilus extension class implementation */ + +static GList * +terminal_nautilus_get_background_items (NautilusMenuProvider *provider, + NautilusFileInfo *file_info) +{ + TerminalNautilus *nautilus = TERMINAL_NAUTILUS (provider); + gchar *uri; + GList *items; + NautilusMenuItem *item; + TerminalFileInfo terminal_file_info; + + if (terminal_locked_down (nautilus)) + return nullptr; + + uri = nautilus_file_info_get_activation_uri (file_info); + if (uri == nullptr) + return nullptr; + + items = nullptr; + + terminal_file_info = get_terminal_file_info_from_uri (uri); + + + if (terminal_file_info == FILE_INFO_SFTP) { + /* remote SSH location */ + item = terminal_nautilus_menu_item_new (nautilus, + file_info, + terminal_file_info, + TRUE, + FALSE); + items = g_list_append (items, item); + } + + if (terminal_file_info == FILE_INFO_DESKTOP || + uri_has_local_path (uri)) { + /* local locations and remote locations that offer local back-mapping */ + item = terminal_nautilus_menu_item_new (nautilus, + file_info, + terminal_file_info, + FALSE, + FALSE); + items = g_list_append (items, item); + } + + g_free (uri); + + return items; +} + +static GList * +terminal_nautilus_get_file_items (NautilusMenuProvider *provider, + GList *files) +{ + TerminalNautilus *nautilus = TERMINAL_NAUTILUS (provider); + gchar *uri; + GList *items; + NautilusMenuItem *item; + NautilusFileInfo *file_info; + GFileType file_type; + TerminalFileInfo terminal_file_info; + + if (terminal_locked_down (nautilus)) + return nullptr; + + /* Only add items when passed exactly one file */ + if (files == nullptr || files->next != nullptr) + return nullptr; + + file_info = (NautilusFileInfo *) files->data; + file_type = nautilus_file_info_get_file_type (file_info); + if (!nautilus_file_info_is_directory (file_info) && + file_type != G_FILE_TYPE_SHORTCUT && + file_type != G_FILE_TYPE_MOUNTABLE) + return nullptr; + + uri = nautilus_file_info_get_activation_uri (file_info); + if (uri == nullptr) + return nullptr; + + items = nullptr; + + terminal_file_info = get_terminal_file_info_from_uri (uri); + + switch (terminal_file_info) { + case FILE_INFO_LOCAL: + case FILE_INFO_SFTP: + case FILE_INFO_OTHER: + if (terminal_file_info == FILE_INFO_SFTP || + uri_has_local_path (uri)) { + item = terminal_nautilus_menu_item_new (nautilus, + file_info, + terminal_file_info, + terminal_file_info == FILE_INFO_SFTP, + TRUE); + items = g_list_append (items, item); + } + + if (terminal_file_info == FILE_INFO_SFTP && + uri_has_local_path (uri)) { + item = terminal_nautilus_menu_item_new (nautilus, + file_info, + terminal_file_info, + FALSE, + TRUE); + items = g_list_append (items, item); + } + + case FILE_INFO_DESKTOP: + break; + + default: + g_assert_not_reached (); + } + + g_free (uri); + + return items; +} + +static void +terminal_nautilus_menu_provider_interface_init (NautilusMenuProviderInterface *interface) +{ + interface->get_background_items = terminal_nautilus_get_background_items; + interface->get_file_items = terminal_nautilus_get_file_items; +} + +G_DEFINE_DYNAMIC_TYPE_EXTENDED (TerminalNautilus, terminal_nautilus, G_TYPE_OBJECT, 0, + G_IMPLEMENT_INTERFACE_DYNAMIC (NAUTILUS_TYPE_MENU_PROVIDER, + terminal_nautilus_menu_provider_interface_init)) + +static void +terminal_nautilus_init (TerminalNautilus *nautilus) +{ + nautilus->lockdown_prefs = g_settings_new (GNOME_DESKTOP_LOCKDOWN_SETTINGS_SCHEMA); +} + +static void +terminal_nautilus_dispose (GObject *object) +{ + TerminalNautilus *nautilus = TERMINAL_NAUTILUS (object); + + g_clear_object (&nautilus->lockdown_prefs); + + G_OBJECT_CLASS (terminal_nautilus_parent_class)->dispose (object); +} + +static void +terminal_nautilus_class_init (TerminalNautilusClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + gobject_class->dispose = terminal_nautilus_dispose; + + terminal_i18n_init (FALSE); +} + +static void +terminal_nautilus_class_finalize (TerminalNautilusClass *klass) +{ +} + +/* Nautilus extension */ + +static GType type_list[1]; + +#define EXPORT extern "C" __attribute__((__visibility__("default"))) + +EXPORT void +nautilus_module_initialize (GTypeModule *module) +{ + terminal_nautilus_register_type (module); + terminal_nautilus_menu_item_register_type (module); + + type_list[0] = TERMINAL_TYPE_NAUTILUS; +} + +EXPORT void +nautilus_module_shutdown (void) +{ +} + +EXPORT void +nautilus_module_list_types (const GType **types, + int *num_types) +{ + *types = type_list; + *num_types = G_N_ELEMENTS (type_list); +} |