1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2016 Endless Mobile, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "gdocumentportal.h"
#include "xdp-dbus.h"
#include "gstdio.h"
#ifdef G_OS_UNIX
#include "gunixfdlist.h"
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#else
#define HAVE_O_CLOEXEC 1
#endif
static gboolean
get_document_portal (GXdpDocuments **documents,
char **documents_mountpoint,
GError **error)
{
GDBusConnection *connection = NULL;
*documents = NULL;
*documents_mountpoint = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, error);
if (connection == NULL)
{
g_prefix_error (error, "Cannot connect to session bus when initializing document portal: ");
goto out;
}
*documents = gxdp_documents_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
"org.freedesktop.portal.Documents",
"/org/freedesktop/portal/documents",
NULL, error);
if (*documents == NULL)
{
g_prefix_error (error, "Cannot create document portal proxy: ");
goto out;
}
if (!gxdp_documents_call_get_mount_point_sync (*documents,
documents_mountpoint,
NULL, error))
{
g_clear_object (documents);
g_prefix_error (error, "Cannot get document portal mount point: ");
goto out;
}
out:
g_clear_object (&connection);
return *documents != NULL;
}
/* Flags accepted by org.freedesktop.portal.Documents.AddFull */
enum {
XDP_ADD_FLAGS_REUSE_EXISTING = (1 << 0),
XDP_ADD_FLAGS_PERSISTENT = (1 << 1),
XDP_ADD_FLAGS_AS_NEEDED_BY_APP = (1 << 2),
XDP_ADD_FLAGS_FLAGS_ALL = ((1 << 3) - 1)
};
GList *
g_document_portal_add_documents (GList *uris,
const char *app_id,
GError **error)
{
GXdpDocuments *documents = NULL;
char *documents_mountpoint = NULL;
int length;
GList *ruris = NULL;
gboolean *as_is;
GVariantBuilder builder;
GUnixFDList *fd_list = NULL;
GList *l;
gsize i, j;
const char *permissions[] = { "read", "write", NULL };
char **doc_ids = NULL;
GVariant *extra_out = NULL;
if (!get_document_portal (&documents, &documents_mountpoint, error))
{
return NULL;
}
length = g_list_length (uris);
as_is = g_new0 (gboolean, length);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("ah"));
fd_list = g_unix_fd_list_new ();
for (l = uris, i = 0; l; l = l->next, i++)
{
const char *uri = l->data;
int idx = -1;
char *path = NULL;
path = g_filename_from_uri (uri, NULL, NULL);
if (path != NULL)
{
int fd;
fd = g_open (path, O_CLOEXEC | O_RDWR);
if (fd == -1 && (errno == EACCES || errno == EISDIR))
{
/* If we don't have write access, fall back to read-only,
* and stop requesting the write permission */
fd = g_open (path, O_CLOEXEC | O_RDONLY);
permissions[1] = NULL;
}
if (fd >= 0)
{
#ifndef HAVE_O_CLOEXEC
fcntl (fd, F_SETFD, FD_CLOEXEC);
#endif
idx = g_unix_fd_list_append (fd_list, fd, NULL);
close (fd);
}
}
g_free (path);
if (idx != -1)
g_variant_builder_add (&builder, "h", idx);
else
as_is[i] = TRUE;
}
if (g_unix_fd_list_get_length (fd_list) > 0)
{
if (!gxdp_documents_call_add_full_sync (documents,
g_variant_builder_end (&builder),
XDP_ADD_FLAGS_AS_NEEDED_BY_APP,
app_id,
permissions,
fd_list,
&doc_ids,
&extra_out,
NULL,
NULL,
error))
goto out;
for (l = uris, i = 0, j = 0; l; l = l->next, i++)
{
const char *uri = l->data;
char *ruri;
if (as_is[i]) /* use as-is, not a file uri */
{
ruri = g_strdup (uri);
}
else if (strcmp (doc_ids[j], "") == 0) /* not rewritten */
{
ruri = g_strdup (uri);
j++;
}
else
{
char *basename = g_path_get_basename (uri + strlen ("file:"));
char *doc_path = g_build_filename (documents_mountpoint, doc_ids[j], basename, NULL);
ruri = g_strconcat ("file:", doc_path, NULL);
g_free (basename);
g_free (doc_path);
j++;
}
ruris = g_list_prepend (ruris, ruri);
}
ruris = g_list_reverse (ruris);
}
else
{
ruris = g_list_copy_deep (uris, (GCopyFunc)g_strdup, NULL);
g_variant_builder_clear (&builder);
}
out:
g_clear_object (&documents);
g_clear_pointer (&documents_mountpoint, g_free);
g_clear_object (&fd_list);
g_clear_pointer (&extra_out, g_variant_unref);
g_clear_pointer (&doc_ids, g_strfreev);
g_free (as_is);
return ruris;
}
|
