forked from Mirrors/flatpak-builder
199 lines
6.9 KiB
C
199 lines
6.9 KiB
C
/*
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* Copyright © 2015 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 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 <gio/gunixinputstream.h>
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#include "libgsystem.h"
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#include "libglnx/libglnx.h"
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#include "xdg-app-builtins.h"
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#include "xdg-app-utils.h"
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#include "xdg-app-chain-input-stream.h"
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static char *opt_arch;
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static char *opt_repo_url;
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static gboolean opt_runtime = FALSE;
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static char **opt_gpg_file;
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static GOptionEntry options[] = {
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{ "runtime", 0, 0, G_OPTION_ARG_NONE, &opt_runtime, "Export runtime instead of app"},
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{ "arch", 0, 0, G_OPTION_ARG_STRING, &opt_arch, "Arch to bundle for", "ARCH" },
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{ "repo-url", 0, 0, G_OPTION_ARG_STRING, &opt_repo_url, "Url for repo", "URL" },
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{ "gpg-keys", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &opt_gpg_file, "Add GPG key from FILE (- for stdin)", "FILE" },
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{ NULL }
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};
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static GBytes *
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read_gpg_data (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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g_autoptr(GOutputStream) mem_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_file != NULL)
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n_keyrings = g_strv_length (opt_gpg_file);
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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_file[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_file[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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return NULL;
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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 *) xdg_app_chain_input_stream_new (streams);
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mem_stream = g_memory_output_stream_new_resizable ();
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if (g_output_stream_splice (mem_stream, source_stream, G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET, cancellable, error) < 0)
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return NULL;
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return g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (mem_stream));
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}
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gboolean
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xdg_app_builtin_build_bundle (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(GFile) file = NULL;
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g_autoptr(GFile) repofile = NULL;
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g_autoptr(OstreeRepo) repo = NULL;
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g_autoptr(GBytes) gpg_data = NULL;
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const char *location;
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const char *filename;
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const char *name;
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const char *branch;
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g_autofree char *full_branch = NULL;
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g_autofree char *commit_checksum = NULL;
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GVariantBuilder metadata_builder;
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GVariantBuilder param_builder;
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context = g_option_context_new ("LOCATION FILENAME NAME [BRANCH] - Create a single file bundle from a local repository");
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if (!xdg_app_option_context_parse (context, options, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
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return FALSE;
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if (argc < 4)
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return usage_error (context, "LOCATION, FILENAME and NAME must be specified", error);
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location = argv[1];
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filename = argv[2];
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name = argv[3];
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if (argc >= 5)
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branch = argv[4];
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else
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branch = "master";
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repofile = g_file_new_for_commandline_arg (location);
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repo = ostree_repo_new (repofile);
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if (!xdg_app_supports_bundles (repo))
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return xdg_app_fail (error, "Your version of ostree is too old to support single-file bundles");
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if (!g_file_query_exists (repofile, cancellable))
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return xdg_app_fail (error, "'%s' is not a valid repository", location);
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file = g_file_new_for_commandline_arg (filename);
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if (!xdg_app_is_valid_branch (name))
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return xdg_app_fail (error, "'%s' is not a valid name", name);
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if (!xdg_app_is_valid_branch (branch))
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return xdg_app_fail (error, "'%s' is not a valid branch name", branch);
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if (opt_runtime)
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full_branch = xdg_app_build_runtime_ref (name, branch, opt_arch);
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else
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full_branch = xdg_app_build_app_ref (name, branch, opt_arch);
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if (!ostree_repo_open (repo, cancellable, error))
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return FALSE;
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if (!ostree_repo_resolve_rev (repo, full_branch, FALSE, &commit_checksum, error))
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return FALSE;
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g_variant_builder_init (&metadata_builder, G_VARIANT_TYPE ("a{sv}"));
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g_variant_builder_add (&metadata_builder, "{sv}", "ref", g_variant_new_string (full_branch));
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if (opt_repo_url)
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g_variant_builder_add (&metadata_builder, "{sv}", "origin", g_variant_new_string (opt_repo_url));
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if (opt_gpg_file != NULL)
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{
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gpg_data = read_gpg_data (cancellable, error);
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if (gpg_data == NULL)
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return FALSE;
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}
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if (gpg_data)
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g_variant_builder_add (&metadata_builder, "{sv}", "gpg-keys",
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g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
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g_bytes_get_data (gpg_data, NULL),
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g_bytes_get_size (gpg_data),
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1));
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g_variant_builder_init (¶m_builder, G_VARIANT_TYPE ("a{sv}"));
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g_variant_builder_add (¶m_builder, "{sv}", "min-fallback-size", g_variant_new_uint32 (0));
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g_variant_builder_add (¶m_builder, "{sv}", "compression", g_variant_new_byte ('x'));
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g_variant_builder_add (¶m_builder, "{sv}", "bsdiff-enabled", g_variant_new_boolean (FALSE));
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g_variant_builder_add (¶m_builder, "{sv}", "inline-parts", g_variant_new_boolean (TRUE));
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g_variant_builder_add (¶m_builder, "{sv}", "include-detached", g_variant_new_boolean (TRUE));
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g_variant_builder_add (¶m_builder, "{sv}", "filename", g_variant_new_bytestring (gs_file_get_path_cached (file)));
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if (!ostree_repo_static_delta_generate (repo,
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OSTREE_STATIC_DELTA_GENERATE_OPT_LOWLATENCY,
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/* from */ NULL,
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commit_checksum,
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g_variant_builder_end (&metadata_builder),
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g_variant_builder_end (¶m_builder),
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cancellable,
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error))
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return FALSE;
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return TRUE;
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}
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