Stepan Salenikovich | be87d2c | 2016-01-25 14:14:34 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015-2016 Savoir-faire Linux Inc. |
| 3 | * Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | */ |
| 19 | |
Stepan Salenikovich | fb7f295 | 2015-05-25 16:44:19 -0400 | [diff] [blame] | 20 | #include "files.h" |
| 21 | |
| 22 | #include <memory> |
| 23 | #include "config.h" |
| 24 | #include <unistd.h> // to create symlinks |
| 25 | #include <errno.h> |
| 26 | #include <glib/gstdio.h> // for glib file utils |
| 27 | #include <string.h> |
| 28 | |
| 29 | void |
| 30 | autostart_symlink(gboolean autostart) |
| 31 | { |
Stepan Salenikovich | 526c41e | 2016-06-08 16:48:20 -0400 | [diff] [blame] | 32 | /* autostart is enabled by creating a symlink to gnome-ring.desktop in |
Stepan Salenikovich | fb7f295 | 2015-05-25 16:44:19 -0400 | [diff] [blame] | 33 | * $XDG_CONFIG_HOME/autostart (by default ~/.config/autostart) |
| 34 | * and removing it to disable autostart |
| 35 | */ |
| 36 | |
| 37 | GError *error = NULL; |
Stepan Salenikovich | 526c41e | 2016-06-08 16:48:20 -0400 | [diff] [blame] | 38 | gchar *autostart_path = g_strconcat(g_get_user_config_dir(), "/autostart/gnome-ring.desktop", NULL); |
Stepan Salenikovich | fb7f295 | 2015-05-25 16:44:19 -0400 | [diff] [blame] | 39 | |
| 40 | if (autostart) { |
| 41 | g_debug("enabling autostart"); |
| 42 | |
| 43 | gchar *desktop_path = NULL; |
| 44 | /* find where the .desktop file is by checking the following dirs in order |
| 45 | * - /usr/<data dir> |
| 46 | * - /usr/local/<data dir> |
| 47 | * - install data dir (check this last, as it might not be where the |
| 48 | * bin is actually isntalled on the system) |
| 49 | * |
| 50 | * note: no point in checking the local bin dir, even if the .desktop is |
| 51 | * there, if the binary is not installed on the system, the .desktop will |
| 52 | * not find it |
| 53 | */ |
| 54 | int num_paths = 3; |
| 55 | gchar *desktop_paths[num_paths]; |
Stepan Salenikovich | 526c41e | 2016-06-08 16:48:20 -0400 | [diff] [blame] | 56 | desktop_paths[0] = g_strconcat("/usr", RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
| 57 | desktop_paths[1] = g_strconcat("/usr/local", RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
| 58 | desktop_paths[2] = g_strconcat(RING_CLIENT_INSTALL, RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
Stepan Salenikovich | fb7f295 | 2015-05-25 16:44:19 -0400 | [diff] [blame] | 59 | |
| 60 | for (int i = 0; i < num_paths && !desktop_path; ++i) { |
| 61 | g_debug("checking %s", desktop_paths[i]); |
| 62 | if (g_file_test(desktop_paths[i], G_FILE_TEST_IS_REGULAR)) |
| 63 | desktop_path = desktop_paths[i]; |
| 64 | } |
| 65 | |
| 66 | if (!desktop_path) { |
| 67 | /* could not find where the .desktop is... default to the install one */ |
| 68 | desktop_path = desktop_paths[1]; |
| 69 | g_warning("cannot locate '%s', will try to create a symlink to it anyways", desktop_path); |
| 70 | } |
| 71 | |
| 72 | /* we want autostart_path to be a symlink to the current desktop_path |
| 73 | * if it is not, delete it and create one */ |
| 74 | |
| 75 | gboolean symlink_to_desktop = FALSE; |
| 76 | if (g_file_test(autostart_path, G_FILE_TEST_IS_SYMLINK)) { |
| 77 | /* is symlink, check if its to the right file */ |
| 78 | gchar *current_link = g_file_read_link(autostart_path, &error); |
| 79 | if (error) { |
| 80 | g_warning("could not read contents of symlink '%s': %s",autostart_path, error->message); |
| 81 | g_clear_error(&error); |
| 82 | } |
| 83 | |
| 84 | /* compare even if error occurs, as function handles nullptr */ |
| 85 | if (g_strcmp0(current_link, desktop_path) == 0) { |
| 86 | g_debug("'%s' is already a symlink to '%s'", autostart_path, desktop_path); |
| 87 | symlink_to_desktop = TRUE; |
| 88 | } else { |
| 89 | g_debug("'%s' exists but does not point to '%s', instead: '%s'", autostart_path, desktop_path, current_link); |
| 90 | |
| 91 | /* we need to delete it */ |
| 92 | if (g_remove(autostart_path) != 0) { |
| 93 | g_warning("could not remove '%s'", autostart_path); |
| 94 | } |
| 95 | } |
| 96 | g_free(current_link); |
| 97 | } |
| 98 | |
| 99 | if (!symlink_to_desktop) { |
| 100 | g_debug("creating symlink"); |
| 101 | |
| 102 | /* make sure the directory exists */ |
| 103 | gchar *autostart_dir = g_strconcat(g_get_user_config_dir(), "/autostart", NULL); |
| 104 | if (g_mkdir_with_parents(autostart_dir, 0700) != 0) |
| 105 | g_warning("'%s' dir doesn't exist and could not be created", autostart_dir); |
| 106 | g_free(autostart_dir); |
| 107 | |
| 108 | if (symlink(desktop_path, autostart_path) != 0) { |
| 109 | g_warning("could not create symlink: %s", strerror(errno)); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | for (int i = 0; i < num_paths; ++i) { |
| 114 | g_free(desktop_paths[i]); |
| 115 | } |
| 116 | } else { |
| 117 | g_debug("disabling autostart"); |
| 118 | /* need to remove symlink or .desktop, if it exists |
| 119 | * G_FILE_TEST_IS_REGULAR will test for both file and symlink, since it |
| 120 | * follows symlinks */ |
| 121 | if (g_file_test(autostart_path, G_FILE_TEST_IS_REGULAR)) { |
| 122 | g_debug("'%s' exists, removing", autostart_path); |
| 123 | |
| 124 | if (g_remove(autostart_path) != 0) { |
| 125 | g_warning("could not remove '%s'", autostart_path); |
| 126 | } |
| 127 | } else { |
| 128 | g_debug("'%s' doesn't exist, nothing to do", autostart_path); |
| 129 | } |
| 130 | |
| 131 | } |
| 132 | g_free(autostart_path); |
| 133 | } |
| 134 | |
| 135 | GSettingsSchema * |
| 136 | get_ring_schema() |
| 137 | { |
| 138 | static std::unique_ptr<GSettingsSchema, decltype(g_settings_schema_unref )&> |
| 139 | ring_schema(nullptr, g_settings_schema_unref); |
| 140 | |
| 141 | if (ring_schema.get() == nullptr) { |
| 142 | GSettingsSchema *schema = NULL; |
| 143 | |
| 144 | /* find gschema.compiled by checking the following dirs in order: |
| 145 | * - current bin dir |
| 146 | * - install data dir |
| 147 | * - default dir |
| 148 | * note that the install and default dir may be the same |
| 149 | */ |
| 150 | GError *error = NULL; |
| 151 | |
| 152 | /* try local first */ |
| 153 | g_debug("looking for schema locally"); |
| 154 | gchar *schema_dir_local = g_strconcat(".", NULL); |
| 155 | GSettingsSchemaSource *schema_source_local = NULL; |
| 156 | schema_source_local = g_settings_schema_source_new_from_directory( |
| 157 | schema_dir_local, |
| 158 | g_settings_schema_source_get_default(), |
| 159 | FALSE, |
| 160 | &error); |
| 161 | |
| 162 | if (!error) { |
| 163 | schema = g_settings_schema_source_lookup(schema_source_local, |
| 164 | RING_CLIENT_APP_ID, |
| 165 | TRUE); |
| 166 | g_settings_schema_source_unref(schema_source_local); |
| 167 | } else { |
| 168 | g_debug("error looking up ring schema locally: %s", error->message); |
| 169 | g_clear_error(&error); |
| 170 | } |
| 171 | g_free(schema_dir_local); |
| 172 | |
| 173 | if (!schema) { |
| 174 | /* try install dir */ |
| 175 | g_debug("looking for schema in insall dir"); |
| 176 | gchar *schema_dir_install = g_strconcat(RING_CLIENT_INSTALL, "/share/glib-2.0/schemas", NULL); |
| 177 | GSettingsSchemaSource *schema_source_install = NULL; |
| 178 | schema_source_install = g_settings_schema_source_new_from_directory( |
| 179 | schema_dir_install, |
| 180 | g_settings_schema_source_get_default(), |
| 181 | TRUE, |
| 182 | &error); |
| 183 | |
| 184 | if (!error) { |
| 185 | schema = g_settings_schema_source_lookup(schema_source_install, |
| 186 | RING_CLIENT_APP_ID, |
| 187 | TRUE); |
| 188 | g_settings_schema_source_unref(schema_source_install); |
| 189 | } else { |
| 190 | g_debug("error looking up ring schema in install dir: %s", error->message); |
| 191 | g_clear_error(&error); |
| 192 | } |
| 193 | g_free(schema_dir_install); |
| 194 | } |
| 195 | |
| 196 | if (!schema) { |
| 197 | /* try default dir */ |
| 198 | g_debug("looking for schema in default dir"); |
| 199 | |
| 200 | schema = g_settings_schema_source_lookup(g_settings_schema_source_get_default(), |
| 201 | RING_CLIENT_APP_ID, |
| 202 | TRUE); |
| 203 | } |
| 204 | ring_schema.reset(schema); |
| 205 | } |
| 206 | |
| 207 | return ring_schema.get(); |
| 208 | } |