1 /*
2 * Copyright 2015 Red Hat, Inc.
3 *
4 * SPDX-License-Identifier: LGPL-2.1-or-later
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 *
19 * Author: Matthias Clasen <mclasen@redhat.com>
20 */
21
22 #include "config.h"
23
24 #include <gio/gio.h>
25 #include <gi18n.h>
26
27 #include "gio-tool.h"
28
29
30 static gboolean global_force = FALSE;
31 static gboolean empty = FALSE;
32 static gboolean restore = FALSE;
33 static gboolean list = FALSE;
34 static const GOptionEntry entries[] = {
35 { "force", 'f', 0, G_OPTION_ARG_NONE, &global_force, N_("Ignore nonexistent files, never prompt"), NULL },
36 { "empty", 0, 0, G_OPTION_ARG_NONE, &empty, N_("Empty the trash"), NULL },
37 { "list", 0, 0, G_OPTION_ARG_NONE, &list, N_("List files in the trash with their original locations"), NULL },
38 { "restore", 0, 0, G_OPTION_ARG_NONE, &restore, N_("Restore a file from trash to its original location (possibly "
39 "recreating the directory)"), NULL },
40 G_OPTION_ENTRY_NULL
41 };
42
43 static void
44 delete_trash_file (GFile *file, gboolean del_file, gboolean del_children)
45 {
46 GFileInfo *info;
47 GFile *child;
48 GFileEnumerator *enumerator;
49
50 g_return_if_fail (g_file_has_uri_scheme (file, "trash"));
51
52 if (del_children)
53 {
54 enumerator = g_file_enumerate_children (file,
55 G_FILE_ATTRIBUTE_STANDARD_NAME ","
56 G_FILE_ATTRIBUTE_STANDARD_TYPE,
57 G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
58 NULL,
59 NULL);
60 if (enumerator)
61 {
62 while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)) != NULL)
63 {
64 child = g_file_get_child (file, g_file_info_get_name (info));
65
66 /* The g_file_delete operation works differently for locations
67 * provided by the trash backend as it prevents modifications of
68 * trashed items. For that reason, it is enough to call
69 * g_file_delete on top-level items only.
70 */
71 delete_trash_file (child, TRUE, FALSE);
72
73 g_object_unref (child);
74 g_object_unref (info);
75 }
76 g_file_enumerator_close (enumerator, NULL, NULL);
77 g_object_unref (enumerator);
78 }
79 }
80
81 if (del_file)
82 g_file_delete (file, NULL, NULL);
83 }
84
85 static gboolean
86 restore_trash (GFile *file,
87 gboolean force,
88 GCancellable *cancellable,
89 GError **error)
90 {
91 GFileInfo *info = NULL;
92 GFile *target = NULL;
93 GFile *dir_target = NULL;
94 gboolean ret = FALSE;
95 gchar *orig_path = NULL;
96 GError *local_error = NULL;
97
98 info = g_file_query_info (file, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH, G_FILE_QUERY_INFO_NONE, cancellable, &local_error);
99 if (local_error)
100 {
101 g_propagate_error (error, local_error);
102 goto exit_func;
103 }
104
105 orig_path = g_file_info_get_attribute_as_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
106 if (!orig_path)
107 {
108 g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, _("Unable to find original path"));
109 goto exit_func;
110 }
111
112 target = g_file_new_for_commandline_arg (orig_path);
113 g_free (orig_path);
114
115 dir_target = g_file_get_parent (target);
116 if (dir_target)
117 {
118 g_file_make_directory_with_parents (dir_target, cancellable, &local_error);
119 if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_EXISTS))
120 {
121 g_clear_error (&local_error);
122 }
123 else if (local_error != NULL)
124 {
125 g_propagate_prefixed_error (error, local_error, _("Unable to recreate original location: "));
126 goto exit_func;
127 }
128 }
129
130 if (!g_file_move (file,
131 target,
132 force ? G_FILE_COPY_OVERWRITE : G_FILE_COPY_NONE,
133 cancellable,
134 NULL,
135 NULL,
136 &local_error))
137 {
138 g_propagate_prefixed_error (error, local_error, _("Unable to move file to its original location: "));
139 goto exit_func;
140 }
141 ret = TRUE;
142
143 exit_func:
144 g_clear_object (&target);
145 g_clear_object (&dir_target);
146 g_clear_object (&info);
147 return ret;
148 }
149
150 static gboolean
151 trash_list (GFile *file,
152 GCancellable *cancellable,
153 GError **error)
154 {
155 GFileEnumerator *enumerator;
156 GFileInfo *info;
157 GError *local_error = NULL;
158 gboolean res;
159
160 enumerator = g_file_enumerate_children (file,
161 G_FILE_ATTRIBUTE_STANDARD_NAME ","
162 G_FILE_ATTRIBUTE_TRASH_ORIG_PATH,
163 G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
164 cancellable,
165 &local_error);
166 if (!enumerator)
167 {
168 g_propagate_error (error, local_error);
169 return FALSE;
170 }
171
172 res = TRUE;
173 while ((info = g_file_enumerator_next_file (enumerator, cancellable, &local_error)) != NULL)
174 {
175 const char *name;
176 char *orig_path;
177 char *uri;
178 GFile* child;
179
180 name = g_file_info_get_name (info);
181 child = g_file_get_child (file, name);
182 uri = g_file_get_uri (child);
183 g_object_unref (child);
184 orig_path = g_file_info_get_attribute_as_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
185
186 g_print ("%s\t%s\n", uri, orig_path);
187
188 g_object_unref (info);
189 g_free (orig_path);
190 g_free (uri);
191 }
192
193 if (local_error)
194 {
195 g_propagate_error (error, local_error);
196 local_error = NULL;
197 res = FALSE;
198 }
199
200 if (!g_file_enumerator_close (enumerator, cancellable, &local_error))
201 {
202 print_file_error (file, local_error->message);
203 g_clear_error (&local_error);
204 res = FALSE;
205 }
206
207 return res;
208 }
209
210 int
211 handle_trash (int argc, char *argv[], gboolean do_help)
212 {
213 GOptionContext *context;
214 gchar *param;
215 GError *error = NULL;
216 int retval = 0;
217 GFile *file;
218
219 g_set_prgname ("gio trash");
220
221 /* Translators: commandline placeholder */
222 param = g_strdup_printf ("[%s…]", _("LOCATION"));
223 context = g_option_context_new (param);
224 g_free (param);
225 g_option_context_set_help_enabled (context, FALSE);
226 g_option_context_set_summary (context,
227 _("Move/Restore files or directories to the trash."));
228 g_option_context_set_description (context,
229 _("Note: for --restore switch, if the original location of the trashed file \n"
230 "already exists, it will not be overwritten unless --force is set."));
231 g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
232
233 if (do_help)
234 {
235 show_help (context, NULL);
236 g_option_context_free (context);
237 return 0;
238 }
239
240 if (!g_option_context_parse (context, &argc, &argv, &error))
241 {
242 show_help (context, error->message);
243 g_error_free (error);
244 g_option_context_free (context);
245 return 1;
246 }
247
248 if (argc > 1)
249 {
250 int i;
251
252 for (i = 1; i < argc; i++)
253 {
254 file = g_file_new_for_commandline_arg (argv[i]);
255 error = NULL;
256 if (restore)
257 {
258 if (!g_file_has_uri_scheme (file, "trash"))
259 {
260 print_file_error (file, _("Location given doesn't start with trash:///"));
261 retval = 1;
262 }
263 else if (!restore_trash (file, global_force, NULL, &error))
264 {
265 print_file_error (file, error->message);
266 retval = 1;
267 }
268 }
269 else if (!g_file_trash (file, NULL, &error))
270 {
271 if (!global_force ||
272 !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
273 {
274 print_file_error (file, error->message);
275 retval = 1;
276 }
277 }
278 g_clear_error (&error);
279 g_object_unref (file);
280 }
281 }
282 else if (list)
283 {
284 file = g_file_new_for_uri ("trash:");
285 trash_list (file, NULL, &error);
286 if (error)
287 {
288 print_file_error (file, error->message);
289 g_clear_error (&error);
290 retval = 1;
291 }
292 g_object_unref (file);
293 }
294 else if (empty)
295 {
296 file = g_file_new_for_uri ("trash:");
297 delete_trash_file (file, FALSE, TRUE);
298 g_object_unref (file);
299 }
300
301 if (argc == 1 && !empty && !list)
302 {
303 show_help (context, _("No locations given"));
304 g_option_context_free (context);
305 return 1;
306 }
307
308 g_option_context_free (context);
309
310 return retval;
311 }