mirror of
https://github.com/flatpak/flatpak.git
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558 lines
18 KiB
C
558 lines
18 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 <glib/gi18n.h>
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#include <gio/gunixinputstream.h>
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#include "flatpak-chain-input-stream-private.h"
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#include "flatpak-builtins-utils.h"
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#include "flatpak-utils-private.h"
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gboolean
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looks_like_branch (const char *branch)
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{
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const char *dot;
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/* In particular, / is not a valid branch char, so
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this lets us distinguish full or partial refs as
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non-branches. */
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if (!flatpak_is_valid_branch (branch, NULL))
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return FALSE;
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/* Dots are allowed in branches, but not really used much, while
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app ids require at least two, so thats a good check to
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distinguish the two */
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dot = strchr (branch, '.');
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if (dot != NULL)
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{
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if (strchr (dot + 1, '.') != NULL)
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return FALSE;
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}
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return TRUE;
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}
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static SoupSession *
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get_soup_session (void)
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{
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static SoupSession *soup_session = NULL;
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if (soup_session == NULL)
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{
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const char *http_proxy;
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soup_session = soup_session_new_with_options (SOUP_SESSION_USER_AGENT, "flatpak-builder ",
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SOUP_SESSION_SSL_USE_SYSTEM_CA_FILE, TRUE,
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SOUP_SESSION_USE_THREAD_CONTEXT, TRUE,
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SOUP_SESSION_TIMEOUT, 60,
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SOUP_SESSION_IDLE_TIMEOUT, 60,
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NULL);
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http_proxy = g_getenv ("http_proxy");
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if (http_proxy)
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{
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g_autoptr(SoupURI) proxy_uri = soup_uri_new (http_proxy);
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if (!proxy_uri)
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g_warning ("Invalid proxy URI '%s'", http_proxy);
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else
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g_object_set (soup_session, SOUP_SESSION_PROXY_URI, proxy_uri, NULL);
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}
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}
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return soup_session;
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}
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GBytes *
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download_uri (const char *url,
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GError **error)
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{
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SoupSession *session;
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g_autoptr(SoupRequest) req = NULL;
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g_autoptr(GInputStream) input = NULL;
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g_autoptr(GOutputStream) out = NULL;
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session = get_soup_session ();
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req = soup_session_request (session, url, error);
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if (req == NULL)
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return NULL;
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input = soup_request_send (req, NULL, error);
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if (input == NULL)
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return NULL;
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out = g_memory_output_stream_new_resizable ();
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if (!g_output_stream_splice (out,
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input,
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G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET | G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE,
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NULL,
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error))
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return NULL;
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return g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (out));
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}
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FlatpakDir *
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flatpak_find_installed_pref (const char *pref, FlatpakKinds kinds, const char *default_arch, const char *default_branch,
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gboolean search_all, gboolean search_user, gboolean search_system, char **search_installations,
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char **out_ref, GCancellable *cancellable, GError **error)
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{
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g_autofree char *id = NULL;
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g_autofree char *arch = NULL;
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g_autofree char *branch = NULL;
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g_autoptr(GError) lookup_error = NULL;
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FlatpakDir *dir = NULL;
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g_autofree char *ref = NULL;
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FlatpakKinds kind = 0;
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g_autoptr(FlatpakDir) user_dir = NULL;
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g_autoptr(FlatpakDir) system_dir = NULL;
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g_autoptr(GPtrArray) system_dirs = NULL;
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if (!flatpak_split_partial_ref_arg (pref, kinds, default_arch, default_branch,
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&kinds, &id, &arch, &branch, error))
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return NULL;
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if (search_user || search_all)
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{
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user_dir = flatpak_dir_get_user ();
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ref = flatpak_dir_find_installed_ref (user_dir,
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id,
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branch,
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arch,
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kinds, &kind,
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&lookup_error);
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if (ref)
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dir = user_dir;
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if (g_error_matches (lookup_error, G_IO_ERROR, G_IO_ERROR_FAILED))
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{
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g_propagate_error (error, g_steal_pointer (&lookup_error));
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return NULL;
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}
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}
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if (ref == NULL && search_all)
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{
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int i;
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system_dirs = flatpak_dir_get_system_list (cancellable, error);
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if (system_dirs == NULL)
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return FALSE;
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for (i = 0; i < system_dirs->len; i++)
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{
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FlatpakDir *system_dir = g_ptr_array_index (system_dirs, i);
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g_clear_error (&lookup_error);
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ref = flatpak_dir_find_installed_ref (system_dir,
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id,
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branch,
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arch,
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kinds, &kind,
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&lookup_error);
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if (ref)
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{
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dir = system_dir;
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break;
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}
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if (g_error_matches (lookup_error, G_IO_ERROR, G_IO_ERROR_FAILED))
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{
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g_propagate_error (error, g_steal_pointer (&lookup_error));
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return NULL;
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}
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}
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}
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else
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{
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if (ref == NULL && search_installations != NULL)
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{
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int i = 0;
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for (i = 0; search_installations[i] != NULL; i++)
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{
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g_autoptr(FlatpakDir) installation_dir = NULL;
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installation_dir = flatpak_dir_get_system_by_id (search_installations[i], cancellable, error);
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if (installation_dir == NULL)
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return FALSE;
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if (installation_dir)
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{
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g_clear_error (&lookup_error);
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ref = flatpak_dir_find_installed_ref (installation_dir,
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id,
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branch,
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arch,
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kinds, &kind,
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&lookup_error);
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if (ref)
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{
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dir = installation_dir;
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break;
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}
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if (g_error_matches (lookup_error, G_IO_ERROR, G_IO_ERROR_FAILED))
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{
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g_propagate_error (error, g_steal_pointer (&lookup_error));
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return NULL;
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}
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}
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}
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}
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if (ref == NULL && search_system)
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{
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system_dir = flatpak_dir_get_system_default ();
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g_clear_error (&lookup_error);
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ref = flatpak_dir_find_installed_ref (system_dir,
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id,
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branch,
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arch,
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kinds, &kind,
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&lookup_error);
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if (ref)
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dir = system_dir;
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}
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}
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if (ref == NULL)
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{
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g_propagate_error (error, g_steal_pointer (&lookup_error));
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return NULL;
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}
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*out_ref = g_steal_pointer (&ref);
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return g_object_ref (dir);
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}
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static gboolean
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open_source_stream (char **gpg_import,
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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 (gpg_import != NULL)
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n_keyrings = g_strv_length (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 (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_commandline_arg (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: ", 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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flatpak_load_gpg_keys (char **gpg_import,
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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 (gpg_import, &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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gboolean
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flatpak_resolve_duplicate_remotes (GPtrArray *dirs,
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const char *remote_name,
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FlatpakDir **out_dir,
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GCancellable *cancellable,
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GError **error)
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{
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g_autoptr(GPtrArray) dirs_with_remote = NULL;
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int chosen = 0;
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int i;
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dirs_with_remote = g_ptr_array_new ();
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for (i = 0; i < dirs->len; i++)
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{
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FlatpakDir *dir = g_ptr_array_index (dirs, i);
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g_auto(GStrv) remotes = NULL;
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int j = 0;
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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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for (j = 0; remotes[j] != NULL; j++)
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{
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const char *this_remote = remotes[j];
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if (g_strcmp0 (remote_name, this_remote) == 0)
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g_ptr_array_add (dirs_with_remote, dir);
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}
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}
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if (dirs_with_remote->len == 1)
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chosen = 1;
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else if (dirs_with_remote->len > 1)
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{
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g_print (_("Remote ‘%s’ found in multiple installations:\n"), remote_name);
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for (i = 0; i < dirs_with_remote->len; i++)
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{
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FlatpakDir *dir = g_ptr_array_index (dirs_with_remote, i);
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g_autofree char *dir_name = flatpak_dir_get_name (dir);
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g_print ("%d) %s\n", i + 1, dir_name);
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}
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chosen = flatpak_number_prompt (0, dirs_with_remote->len, _("Which do you want to use (0 to abort)?"));
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if (chosen == 0)
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return flatpak_fail (error, _("No remote chosen to resolve ‘%s’ which exists in multiple installations"), remote_name);
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}
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if (out_dir)
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{
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if (dirs_with_remote->len == 0)
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return flatpak_fail_error (error, FLATPAK_ERROR_REMOTE_NOT_FOUND,
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"Remote \"%s\" not found", remote_name);
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else
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*out_dir = g_object_ref (g_ptr_array_index (dirs_with_remote, chosen - 1));
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}
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return TRUE;
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}
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/* Returns: the time in seconds since the file was modified, or %G_MAXUINT64 on error */
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static guint64
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get_file_age (GFile *file)
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{
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guint64 now;
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guint64 mtime;
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g_autoptr(GFileInfo) info = NULL;
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info = g_file_query_info (file,
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G_FILE_ATTRIBUTE_TIME_MODIFIED,
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G_FILE_QUERY_INFO_NONE,
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NULL,
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NULL);
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if (info == NULL)
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return G_MAXUINT64;
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mtime = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
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now = (guint64) g_get_real_time () / G_USEC_PER_SEC;
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if (mtime > now)
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return G_MAXUINT64;
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return (guint64) (now - mtime);
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}
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static void
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no_progress_cb (OstreeAsyncProgress *progress, gpointer user_data)
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{
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}
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static guint64
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get_appstream_timestamp (FlatpakDir *dir,
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const char *remote,
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const char *arch)
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{
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g_autoptr(GFile) ts_file = NULL;
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g_autofree char *ts_file_path = NULL;
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g_autofree char *subdir = NULL;
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subdir = g_strdup_printf ("appstream/%s/%s/.timestamp", remote, arch);
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ts_file = g_file_resolve_relative_path (flatpak_dir_get_path (dir), subdir);
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ts_file_path = g_file_get_path (ts_file);
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return get_file_age (ts_file);
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}
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gboolean
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update_appstream (GPtrArray *dirs,
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const char *remote,
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const char *arch,
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guint64 ttl,
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gboolean quiet,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean changed;
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gboolean res;
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int i, j;
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g_return_val_if_fail (dirs != NULL, FALSE);
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if (arch == NULL)
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arch = flatpak_get_arch ();
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if (remote == NULL)
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{
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for (j = 0; j < dirs->len; j++)
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{
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FlatpakDir *dir = g_ptr_array_index (dirs, j);
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g_auto(GStrv) remotes = NULL;
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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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for (i = 0; remotes[i] != NULL; i++)
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{
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g_autoptr(GError) local_error = NULL;
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g_autoptr(OstreeAsyncProgress) progress = NULL;
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guint64 ts_file_age;
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ts_file_age = get_appstream_timestamp (dir, remotes[i], arch);
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if (ts_file_age < ttl)
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{
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g_debug ("%s:%s appstream age %" G_GUINT64_FORMAT " is less than ttl %" G_GUINT64_FORMAT, remotes[i], arch, ts_file_age, ttl);
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continue;
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}
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else
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g_debug ("%s:%s appstream age %" G_GUINT64_FORMAT " is greater than ttl %" G_GUINT64_FORMAT, remotes[i], arch, ts_file_age, ttl);
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if (flatpak_dir_get_remote_disabled (dir, remotes[i]) ||
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flatpak_dir_get_remote_noenumerate (dir, remotes[i]))
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continue;
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if (flatpak_dir_is_user (dir))
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{
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if (quiet)
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g_debug (_("Updating appstream data for user remote %s"), remotes[i]);
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else
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{
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g_print (_("Updating appstream data for user remote %s"), remotes[i]);
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g_print ("\n");
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}
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}
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else
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{
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if (quiet)
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g_debug (_("Updating appstream data for remote %s"), remotes[i]);
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else
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{
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g_print (_("Updating appstream data for remote %s"), remotes[i]);
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g_print ("\n");
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}
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}
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progress = ostree_async_progress_new_and_connect (no_progress_cb, NULL);
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if (!flatpak_dir_update_appstream (dir, remotes[i], arch, &changed,
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progress, cancellable, &local_error))
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{
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if (quiet)
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g_debug ("%s: %s", _("Error updating"), local_error->message);
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else
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g_printerr ("%s: %s\n", _("Error updating"), local_error->message);
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}
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ostree_async_progress_finish (progress);
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}
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}
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}
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else
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{
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gboolean found = FALSE;
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for (j = 0; j < dirs->len; j++)
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{
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FlatpakDir *dir = g_ptr_array_index (dirs, j);
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if (flatpak_dir_has_remote (dir, remote, NULL))
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{
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||
g_autoptr(OstreeAsyncProgress) progress = NULL;
|
||
guint64 ts_file_age;
|
||
|
||
found = TRUE;
|
||
|
||
ts_file_age = get_appstream_timestamp (dir, remote, arch);
|
||
if (ts_file_age < ttl)
|
||
{
|
||
g_debug ("%s:%s appstream age %" G_GUINT64_FORMAT " is less than ttl %" G_GUINT64_FORMAT, remote, arch, ts_file_age, ttl);
|
||
continue;
|
||
}
|
||
else
|
||
g_debug ("%s:%s appstream age %" G_GUINT64_FORMAT " is greater than ttl %" G_GUINT64_FORMAT, remote, arch, ts_file_age, ttl);
|
||
|
||
progress = ostree_async_progress_new_and_connect (no_progress_cb, NULL);
|
||
res = flatpak_dir_update_appstream (dir, remote, arch, &changed,
|
||
progress, cancellable, error);
|
||
ostree_async_progress_finish (progress);
|
||
if (!res)
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
if (!found)
|
||
return flatpak_fail_error (error, FLATPAK_ERROR_REMOTE_NOT_FOUND,
|
||
_("Remote \"%s\" not found"), remote);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|