1/*
2 * Copyright 2015 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 *
17 * Author: Matthias Clasen <mclasen@redhat.com>
18 */
19
20#include "config.h"
21
22#include <gio/gio.h>
23#include <gi18n.h>
24
25#include "gio-tool.h"
26
27
28static gboolean force = FALSE;
29static gboolean empty = FALSE;
30static gboolean restore = FALSE;
31static gboolean list = FALSE;
32static const GOptionEntry entries[] = {
33 { "force", 'f', 0, G_OPTION_ARG_NONE, &force, N_("Ignore nonexistent files, never prompt"), NULL },
34 { "empty", 0, 0, G_OPTION_ARG_NONE, &empty, N_("Empty the trash"), NULL },
35 { "list", 0, 0, G_OPTION_ARG_NONE, &list, N_("List files in the trash with their original locations"), NULL },
36 { "restore", 0, 0, G_OPTION_ARG_NONE, &restore, N_("Restore a file from trash to its original location (possibly "
37 "recreating the directory)"), NULL },
38 { NULL }
39};
40
41static void
42delete_trash_file (GFile *file, gboolean del_file, gboolean del_children)
43{
44 GFileInfo *info;
45 GFile *child;
46 GFileEnumerator *enumerator;
47
48 g_return_if_fail (g_file_has_uri_scheme (file, "trash"));
49
50 if (del_children)
51 {
52 enumerator = g_file_enumerate_children (file,
53 G_FILE_ATTRIBUTE_STANDARD_NAME ","
54 G_FILE_ATTRIBUTE_STANDARD_TYPE,
55 flags: G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
56 NULL,
57 NULL);
58 if (enumerator)
59 {
60 while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)) != NULL)
61 {
62 child = g_file_get_child (file, name: g_file_info_get_name (info));
63
64 /* The g_file_delete operation works differently for locations
65 * provided by the trash backend as it prevents modifications of
66 * trashed items. For that reason, it is enough to call
67 * g_file_delete on top-level items only.
68 */
69 delete_trash_file (file: child, TRUE, FALSE);
70
71 g_object_unref (object: child);
72 g_object_unref (object: info);
73 }
74 g_file_enumerator_close (enumerator, NULL, NULL);
75 g_object_unref (object: enumerator);
76 }
77 }
78
79 if (del_file)
80 g_file_delete (file, NULL, NULL);
81}
82
83static gboolean
84restore_trash (GFile *file,
85 gboolean force,
86 GCancellable *cancellable,
87 GError **error)
88{
89 GFileInfo *info = NULL;
90 GFile *target = NULL;
91 GFile *dir_target = NULL;
92 gboolean ret = FALSE;
93 gchar *orig_path = NULL;
94 GError *local_error = NULL;
95
96 info = g_file_query_info (file, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH, flags: G_FILE_QUERY_INFO_NONE, cancellable, error: &local_error);
97 if (local_error)
98 {
99 g_propagate_error (dest: error, src: local_error);
100 goto exit_func;
101 }
102
103 orig_path = g_file_info_get_attribute_as_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
104 if (!orig_path)
105 {
106 g_set_error_literal (err: error, G_IO_ERROR, code: G_IO_ERROR_NOT_FOUND, _("Unable to find original path"));
107 goto exit_func;
108 }
109
110 target = g_file_new_for_commandline_arg (arg: orig_path);
111 g_free (mem: orig_path);
112
113 dir_target = g_file_get_parent (file: target);
114 if (dir_target)
115 {
116 g_file_make_directory_with_parents (file: dir_target, cancellable, error: &local_error);
117 if (g_error_matches (error: local_error, G_IO_ERROR, code: G_IO_ERROR_EXISTS))
118 {
119 g_clear_error (err: &local_error);
120 }
121 else if (local_error != NULL)
122 {
123 g_propagate_prefixed_error (dest: error, src: local_error, _("Unable to recreate original location: "));
124 goto exit_func;
125 }
126 }
127
128 if (!g_file_move (source: file,
129 destination: target,
130 flags: force ? G_FILE_COPY_OVERWRITE : G_FILE_COPY_NONE,
131 cancellable,
132 NULL,
133 NULL,
134 error: &local_error))
135 {
136 g_propagate_prefixed_error (dest: error, src: local_error, _("Unable to move file to its original location: "));
137 goto exit_func;
138 }
139 ret = TRUE;
140
141exit_func:
142 g_clear_object (&target);
143 g_clear_object (&dir_target);
144 g_clear_object (&info);
145 return ret;
146}
147
148static gboolean
149trash_list (GFile *file,
150 GCancellable *cancellable,
151 GError **error)
152{
153 GFileEnumerator *enumerator;
154 GFileInfo *info;
155 GError *local_error = NULL;
156 gboolean res;
157
158 enumerator = g_file_enumerate_children (file,
159 G_FILE_ATTRIBUTE_STANDARD_NAME ","
160 G_FILE_ATTRIBUTE_TRASH_ORIG_PATH,
161 flags: G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
162 cancellable,
163 error: &local_error);
164 if (!enumerator)
165 {
166 g_propagate_error (dest: error, src: local_error);
167 return FALSE;
168 }
169
170 res = TRUE;
171 while ((info = g_file_enumerator_next_file (enumerator, cancellable, error: &local_error)) != NULL)
172 {
173 const char *name;
174 char *orig_path;
175 char *uri;
176 GFile* child;
177
178 name = g_file_info_get_name (info);
179 child = g_file_get_child (file, name);
180 uri = g_file_get_uri (file: child);
181 g_object_unref (object: child);
182 orig_path = g_file_info_get_attribute_as_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
183
184 g_print (format: "%s\t%s\n", uri, orig_path);
185
186 g_object_unref (object: info);
187 g_free (mem: orig_path);
188 g_free (mem: uri);
189 }
190
191 if (local_error)
192 {
193 g_propagate_error (dest: error, src: local_error);
194 local_error = NULL;
195 res = FALSE;
196 }
197
198 if (!g_file_enumerator_close (enumerator, cancellable, error: &local_error))
199 {
200 print_file_error (file, message: local_error->message);
201 g_clear_error (err: &local_error);
202 res = FALSE;
203 }
204
205 return res;
206}
207
208int
209handle_trash (int argc, char *argv[], gboolean do_help)
210{
211 GOptionContext *context;
212 gchar *param;
213 GError *error = NULL;
214 int retval = 0;
215 GFile *file;
216
217 g_set_prgname (prgname: "gio trash");
218
219 /* Translators: commandline placeholder */
220 param = g_strdup_printf (format: "[%s…]", _("LOCATION"));
221 context = g_option_context_new (parameter_string: param);
222 g_free (mem: param);
223 g_option_context_set_help_enabled (context, FALSE);
224 g_option_context_set_summary (context,
225 _("Move/Restore files or directories to the trash."));
226 g_option_context_set_description (context,
227 _("Note: for --restore switch, if the original location of the trashed file \n"
228 "already exists, it will not be overwritten unless --force is set."));
229 g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
230
231 if (do_help)
232 {
233 show_help (context, NULL);
234 g_option_context_free (context);
235 return 0;
236 }
237
238 if (!g_option_context_parse (context, argc: &argc, argv: &argv, error: &error))
239 {
240 show_help (context, message: error->message);
241 g_error_free (error);
242 g_option_context_free (context);
243 return 1;
244 }
245
246 if (argc > 1)
247 {
248 int i;
249
250 for (i = 1; i < argc; i++)
251 {
252 file = g_file_new_for_commandline_arg (arg: argv[i]);
253 error = NULL;
254 if (restore)
255 {
256 if (!g_file_has_uri_scheme (file, uri_scheme: "trash"))
257 {
258 print_file_error (file, _("Location given doesn't start with trash:///"));
259 retval = 1;
260 }
261 else if (!restore_trash (file, force, NULL, error: &error))
262 {
263 print_file_error (file, message: error->message);
264 retval = 1;
265 }
266 }
267 else if (!g_file_trash (file, NULL, error: &error))
268 {
269 if (!force ||
270 !g_error_matches (error, G_IO_ERROR, code: G_IO_ERROR_NOT_FOUND))
271 {
272 print_file_error (file, message: error->message);
273 retval = 1;
274 }
275 }
276 g_clear_error (err: &error);
277 g_object_unref (object: file);
278 }
279 }
280 else if (list)
281 {
282 GFile *file;
283 file = g_file_new_for_uri (uri: "trash:");
284 trash_list (file, NULL, error: &error);
285 if (error)
286 {
287 print_file_error (file, message: error->message);
288 g_clear_error (err: &error);
289 retval = 1;
290 }
291 g_object_unref (object: file);
292 }
293 else if (empty)
294 {
295 GFile *file;
296 file = g_file_new_for_uri (uri: "trash:");
297 delete_trash_file (file, FALSE, TRUE);
298 g_object_unref (object: 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}
312

source code of gtk/subprojects/glib/gio/gio-tool-trash.c