forked from Mirrors/flatpak-builder
433 lines
13 KiB
C
433 lines
13 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <glib/gi18n.h>
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#include <gio/gunixinputstream.h>
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#include "libgsystem.h"
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#include "libglnx/libglnx.h"
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#include "flatpak-builtins.h"
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#include "flatpak-utils.h"
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#include "flatpak-chain-input-stream.h"
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#define FLATPAK_REPO_GROUP "Flatpak Repo"
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#define FLATPAK_REPO_URL_KEY "Url"
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#define FLATPAK_REPO_TITLE_KEY "Title"
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#define FLATPAK_REPO_GPGKEY_KEY "GPGKey"
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static gboolean opt_no_gpg_verify;
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static gboolean opt_do_gpg_verify;
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static gboolean opt_do_enumerate;
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static gboolean opt_no_enumerate;
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static gboolean opt_if_not_exists;
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static gboolean opt_enable;
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static gboolean opt_disable;
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static int opt_prio = -1;
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static char *opt_title;
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static char *opt_url;
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static char *opt_from;
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static char **opt_gpg_import;
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static GOptionEntry add_options[] = {
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{ "if-not-exists", 0, 0, G_OPTION_ARG_NONE, &opt_if_not_exists, N_("Do nothing if the provided remote exists"), NULL },
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{ "from", 0, 0, G_OPTION_ARG_FILENAME, &opt_from, N_("Load options from file"), N_("FILE") },
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{ NULL }
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};
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static GOptionEntry modify_options[] = {
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{ "gpg-verify", 0, 0, G_OPTION_ARG_NONE, &opt_do_gpg_verify, N_("Enable GPG verification"), NULL },
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{ "enumerate", 0, 0, G_OPTION_ARG_NONE, &opt_do_enumerate, N_("Mark the remote as enumerate"), NULL },
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{ "url", 0, 0, G_OPTION_ARG_STRING, &opt_url, N_("Set a new url"), N_("URL") },
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{ "enable", 0, 0, G_OPTION_ARG_NONE, &opt_enable, N_("Enable the remote"), NULL },
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{ NULL }
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};
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static GOptionEntry common_options[] = {
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{ "no-gpg-verify", 0, 0, G_OPTION_ARG_NONE, &opt_no_gpg_verify, N_("Disable GPG verification"), NULL },
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{ "no-enumerate", 0, 0, G_OPTION_ARG_NONE, &opt_no_enumerate, N_("Mark the remote as don't enumerate"), NULL },
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{ "prio", 0, 0, G_OPTION_ARG_INT, &opt_prio, N_("Set priority (default 1, higher is more prioritized)"), N_("PRIORITY") },
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{ "title", 0, 0, G_OPTION_ARG_STRING, &opt_title, N_("A nice name to use for this remote"), N_("TITLE") },
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{ "gpg-import", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &opt_gpg_import, N_("Import GPG key from FILE (- for stdin)"), N_("FILE") },
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{ "disable", 0, 0, G_OPTION_ARG_NONE, &opt_disable, N_("Disable the remote"), NULL },
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{ NULL }
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};
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static gboolean
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open_source_stream (GInputStream **out_source_stream,
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GCancellable *cancellable,
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GError **error)
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{
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g_autoptr(GInputStream) source_stream = NULL;
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guint n_keyrings = 0;
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g_autoptr(GPtrArray) streams = NULL;
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if (opt_gpg_import != NULL)
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n_keyrings = g_strv_length (opt_gpg_import);
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guint ii;
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streams = g_ptr_array_new_with_free_func (g_object_unref);
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for (ii = 0; ii < n_keyrings; ii++)
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{
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GInputStream *input_stream = NULL;
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if (strcmp (opt_gpg_import[ii], "-") == 0)
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{
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input_stream = g_unix_input_stream_new (STDIN_FILENO, FALSE);
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}
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else
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{
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g_autoptr(GFile) file = g_file_new_for_path (opt_gpg_import[ii]);
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input_stream = G_INPUT_STREAM (g_file_read (file, cancellable, error));
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if (input_stream == NULL)
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{
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g_prefix_error (error, "The file %s specified for --gpg-import was not found: ", opt_gpg_import[ii]);
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return FALSE;
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}
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}
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/* Takes ownership. */
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g_ptr_array_add (streams, input_stream);
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}
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/* Chain together all the --keyring options as one long stream. */
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source_stream = (GInputStream *) flatpak_chain_input_stream_new (streams);
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*out_source_stream = g_steal_pointer (&source_stream);
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return TRUE;
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}
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GBytes *
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load_keys (GCancellable *cancellable,
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GError **error)
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{
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g_autoptr(GInputStream) input_stream = NULL;
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g_autoptr(GOutputStream) output_stream = NULL;
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gssize n_bytes_written;
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if (!open_source_stream (&input_stream, cancellable, error))
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return FALSE;
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output_stream = g_memory_output_stream_new_resizable ();
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n_bytes_written = g_output_stream_splice (output_stream, input_stream,
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G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
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G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
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NULL, error);
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if (n_bytes_written < 0)
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return NULL;
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return g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (output_stream));
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}
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static GKeyFile *
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get_config_from_opts (FlatpakDir *dir, const char *remote_name)
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{
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GKeyFile *config = ostree_repo_copy_config (flatpak_dir_get_repo (dir));
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g_autofree char *group = g_strdup_printf ("remote \"%s\"", remote_name);
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if (opt_no_gpg_verify)
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{
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g_key_file_set_boolean (config, group, "gpg-verify", FALSE);
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g_key_file_set_boolean (config, group, "gpg-verify-summary", FALSE);
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}
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if (opt_do_gpg_verify)
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{
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g_key_file_set_boolean (config, group, "gpg-verify", TRUE);
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g_key_file_set_boolean (config, group, "gpg-verify-summary", TRUE);
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}
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if (opt_url)
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{
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if (g_str_has_prefix (opt_url, "metalink="))
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g_key_file_set_string (config, group, "metalink", opt_url + strlen ("metalink="));
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else
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g_key_file_set_string (config, group, "url", opt_url);
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}
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if (opt_title)
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g_key_file_set_string (config, group, "xa.title", opt_title);
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if (opt_no_enumerate)
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g_key_file_set_boolean (config, group, "xa.noenumerate", TRUE);
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if (opt_do_enumerate)
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g_key_file_set_boolean (config, group, "xa.noenumerate", FALSE);
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if (opt_disable)
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g_key_file_set_boolean (config, group, "xa.disable", TRUE);
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else if (opt_enable)
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g_key_file_set_boolean (config, group, "xa.disable", FALSE);
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if (opt_prio != -1)
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{
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g_autofree char *prio_as_string = g_strdup_printf ("%d", opt_prio);
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g_key_file_set_string (config, group, "xa.prio", prio_as_string);
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}
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return config;
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}
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static void
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load_options (char *filename,
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GBytes **gpg_data)
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{
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g_autoptr(GError) error = NULL;
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g_autoptr(GKeyFile) keyfile = g_key_file_new ();
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char *str;
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if (!g_key_file_load_from_file (keyfile, filename, 0, &error))
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{
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g_printerr ("Can't load file %s: %s\n", filename, error->message);
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exit (1);
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}
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if (!g_key_file_has_group (keyfile, FLATPAK_REPO_GROUP))
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{
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g_printerr ("Invalid file format");
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exit (1);
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}
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str = g_key_file_get_string (keyfile, FLATPAK_REPO_GROUP,
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FLATPAK_REPO_URL_KEY, NULL);
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if (str != NULL)
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opt_url = str;
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str = g_key_file_get_locale_string (keyfile, FLATPAK_REPO_GROUP,
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FLATPAK_REPO_TITLE_KEY, NULL, NULL);
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if (str != NULL)
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opt_title = str;
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str = g_key_file_get_string (keyfile, FLATPAK_REPO_GROUP,
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FLATPAK_REPO_GPGKEY_KEY, NULL);
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if (str != NULL)
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{
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guchar *decoded;
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gsize decoded_len;
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str = g_strstrip (str);
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decoded = g_base64_decode (str, &decoded_len);
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if (decoded_len < 10) /* Check some minimal size so we don't get crap */
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{
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g_printerr ("Invalid gpg key");
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exit (1);
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}
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*gpg_data = g_bytes_new_take (decoded, decoded_len);
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opt_do_gpg_verify = TRUE;
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}
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}
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gboolean
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flatpak_builtin_add_remote (int argc, char **argv,
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GCancellable *cancellable, GError **error)
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{
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g_autoptr(GOptionContext) context = NULL;
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g_autoptr(FlatpakDir) dir = NULL;
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g_autoptr(GFile) file = NULL;
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g_auto(GStrv) remotes = NULL;
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g_autofree char *title = NULL;
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g_autofree char *remote_url = NULL;
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const char *remote_name;
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const char *url_or_path = NULL;
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g_autoptr(GKeyFile) config = NULL;
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g_autoptr(GBytes) gpg_data = NULL;
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context = g_option_context_new (_("NAME [LOCATION] - Add a remote repository"));
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g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
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g_option_context_add_main_entries (context, common_options, NULL);
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if (!flatpak_option_context_parse (context, add_options, &argc, &argv, 0, &dir, cancellable, error))
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return FALSE;
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if (opt_from)
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load_options (opt_from, &gpg_data);
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if (argc < 2)
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return usage_error (context, _("NAME must be specified"), error);
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if (argc < 3 && opt_url == NULL)
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return usage_error (context, _("LOCATION must be specified"), error);
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remote_name = argv[1];
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remotes = flatpak_dir_list_remotes (dir, cancellable, error);
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if (remotes == NULL)
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return FALSE;
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if (g_strv_contains ((const char **)remotes, remote_name))
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{
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if (opt_if_not_exists)
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return TRUE; /* Do nothing */
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return flatpak_fail (error, _("Remote %s already exists"), remote_name);
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}
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if (opt_url == NULL)
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{
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url_or_path = argv[2];
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file = g_file_new_for_commandline_arg (url_or_path);
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if (g_file_is_native (file))
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remote_url = g_file_get_uri (file);
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else
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remote_url = g_strdup (url_or_path);
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opt_url = remote_url;
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}
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/* Default to gpg verify */
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if (!opt_no_gpg_verify)
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opt_do_gpg_verify = TRUE;
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if (opt_title == NULL)
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{
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title = flatpak_dir_fetch_remote_title (dir,
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remote_name,
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NULL,
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NULL);
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if (title)
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opt_title = title;
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}
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config = get_config_from_opts (dir, remote_name);
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if (opt_gpg_import != NULL)
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{
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gpg_data = load_keys (cancellable, error);
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if (gpg_data == NULL)
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return FALSE;
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}
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return flatpak_dir_modify_remote (dir, remote_name, config, gpg_data, cancellable, error);
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}
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gboolean
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flatpak_complete_add_remote (FlatpakCompletion *completion)
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{
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g_autoptr(GOptionContext) context = NULL;
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g_autoptr(FlatpakDir) dir = NULL;
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context = g_option_context_new ("");
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g_option_context_add_main_entries (context, common_options, NULL);
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if (!flatpak_option_context_parse (context, add_options, &completion->argc, &completion->argv, 0, &dir, NULL, NULL))
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return FALSE;
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switch (completion->argc)
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{
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case 0:
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case 1:
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flatpak_complete_options (completion, global_entries);
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flatpak_complete_options (completion, common_options);
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flatpak_complete_options (completion, add_options);
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flatpak_complete_options (completion, user_entries);
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break;
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}
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return TRUE;
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}
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gboolean
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flatpak_builtin_modify_remote (int argc, char **argv, GCancellable *cancellable, GError **error)
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{
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g_autoptr(GOptionContext) context = NULL;
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g_autoptr(FlatpakDir) dir = NULL;
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g_autoptr(GKeyFile) config = NULL;
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g_autoptr(GBytes) gpg_data = NULL;
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const char *remote_name;
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context = g_option_context_new (_("NAME - Modify a remote repository"));
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g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
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g_option_context_add_main_entries (context, common_options, NULL);
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if (!flatpak_option_context_parse (context, modify_options, &argc, &argv, 0, &dir, cancellable, error))
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return FALSE;
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if (argc < 2)
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return usage_error (context, _("Remote NAME must be specified"), error);
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remote_name = argv[1];
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if (!ostree_repo_remote_get_url (flatpak_dir_get_repo (dir), remote_name, NULL, NULL))
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return flatpak_fail (error, _("No remote %s"), remote_name);
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config = get_config_from_opts (dir, remote_name);
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if (opt_gpg_import != NULL)
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{
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gpg_data = load_keys (cancellable, error);
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if (gpg_data == NULL)
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return FALSE;
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}
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return flatpak_dir_modify_remote (dir, remote_name, config, gpg_data, cancellable, error);
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}
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gboolean
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flatpak_complete_modify_remote (FlatpakCompletion *completion)
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{
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g_autoptr(GOptionContext) context = NULL;
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g_autoptr(FlatpakDir) dir = NULL;
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int i;
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context = g_option_context_new ("");
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g_option_context_add_main_entries (context, common_options, NULL);
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if (!flatpak_option_context_parse (context, modify_options, &completion->argc, &completion->argv, 0, &dir, NULL, NULL))
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return FALSE;
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switch (completion->argc)
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{
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case 0:
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case 1: /* REMOTE */
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flatpak_complete_options (completion, global_entries);
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flatpak_complete_options (completion, common_options);
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flatpak_complete_options (completion, modify_options);
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flatpak_complete_options (completion, user_entries);
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{
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g_auto(GStrv) remotes = flatpak_dir_list_remotes (dir, NULL, NULL);
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if (remotes == NULL)
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return FALSE;
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for (i = 0; remotes[i] != NULL; i++)
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flatpak_complete_word (completion, "%s ", remotes[i]);
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}
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break;
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}
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return TRUE;
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}
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