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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
* vi:set noexpandtab tabstop=8 shiftwidth=8:
*
* Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
* Copyright (C) 2017-2018 Kalev Lember <klember@redhat.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <gnome-software.h>
struct GsPluginData {
GHashTable *fns; /* origin : filename */
GHashTable *urls; /* origin : url */
GFileMonitor *monitor;
GMutex mutex;
gchar *reposdir;
gboolean valid;
};
void
gs_plugin_initialize (GsPlugin *plugin)
{
GsPluginData *priv = gs_plugin_alloc_data (plugin, sizeof(GsPluginData));
g_mutex_init (&priv->mutex);
/* for debugging and the self tests */
priv->reposdir = g_strdup (g_getenv ("GS_SELF_TEST_REPOS_DIR"));
if (priv->reposdir == NULL)
priv->reposdir = g_strdup ("/etc/yum.repos.d");
/* plugin only makes sense if this exists at startup */
if (!g_file_test (priv->reposdir, G_FILE_TEST_EXISTS)) {
gs_plugin_set_enabled (plugin, FALSE);
return;
}
/* we also watch this for changes */
priv->fns = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
priv->urls = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
/* need application IDs */
gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "packagekit-refine");
gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "rpm-ostree");
}
void
gs_plugin_destroy (GsPlugin *plugin)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
g_free (priv->reposdir);
if (priv->fns != NULL)
g_hash_table_unref (priv->fns);
if (priv->urls != NULL)
g_hash_table_unref (priv->urls);
if (priv->monitor != NULL)
g_object_unref (priv->monitor);
g_mutex_clear (&priv->mutex);
}
/* mutex must be held */
static gboolean
gs_plugin_repos_setup (GsPlugin *plugin, GCancellable *cancellable, GError **error)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
g_autoptr(GDir) dir = NULL;
const gchar *fn;
/* already valid */
if (priv->valid)
return TRUE;
/* clear existing */
g_hash_table_remove_all (priv->fns);
g_hash_table_remove_all (priv->urls);
/* search all files */
dir = g_dir_open (priv->reposdir, 0, error);
if (dir == NULL) {
gs_utils_error_convert_gio (error);
return FALSE;
}
while ((fn = g_dir_read_name (dir)) != NULL) {
g_autofree gchar *filename = NULL;
g_auto(GStrv) groups = NULL;
g_autoptr(GKeyFile) kf = g_key_file_new ();
guint i;
/* not a repo */
if (!g_str_has_suffix (fn, ".repo"))
continue;
/* load file */
filename = g_build_filename (priv->reposdir, fn, NULL);
if (!g_key_file_load_from_file (kf, filename,
G_KEY_FILE_NONE,
error)) {
gs_utils_error_convert_gio (error);
return FALSE;
}
/* we can have multiple repos in one file */
groups = g_key_file_get_groups (kf, NULL);
for (i = 0; groups[i] != NULL; i++) {
g_autofree gchar *tmp = NULL;
g_hash_table_insert (priv->fns,
g_strdup (groups[i]),
g_strdup (filename));
tmp = g_key_file_get_string (kf, groups[i], "baseurl", NULL);
if (tmp != NULL) {
g_hash_table_insert (priv->urls,
g_strdup (groups[i]),
g_strdup (tmp));
continue;
}
tmp = g_key_file_get_string (kf, groups[i], "metalink", NULL);
if (tmp != NULL) {
g_hash_table_insert (priv->urls,
g_strdup (groups[i]),
g_strdup (tmp));
continue;
}
}
}
/* success */
priv->valid = TRUE;
return TRUE;
}
static void
gs_plugin_repos_changed_cb (GFileMonitor *monitor,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
GsPlugin *plugin)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
priv->valid = FALSE;
}
gboolean
gs_plugin_setup (GsPlugin *plugin, GCancellable *cancellable, GError **error)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
g_autoptr(GFile) file = g_file_new_for_path (priv->reposdir);
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->mutex);
/* watch for changes */
priv->monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, cancellable, error);
if (priv->monitor == NULL) {
gs_utils_error_convert_gio (error);
return FALSE;
}
g_signal_connect (priv->monitor, "changed",
G_CALLBACK (gs_plugin_repos_changed_cb), plugin);
/* unconditionally at startup */
return gs_plugin_repos_setup (plugin, cancellable, error);
}
static gboolean
refine_app_locked (GsPlugin *plugin,
GsApp *app,
GsPluginRefineFlags flags,
GCancellable *cancellable,
GError **error)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
const gchar *tmp;
/* not required */
if ((flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN_HOSTNAME) == 0)
return TRUE;
if (gs_app_get_origin_hostname (app) != NULL)
return TRUE;
/* make sure we don't end up refining flatpak repos */
if (gs_app_get_bundle_kind (app) != AS_BUNDLE_KIND_PACKAGE)
return TRUE;
/* ensure valid */
if (!gs_plugin_repos_setup (plugin, cancellable, error))
return FALSE;
/* find hostname */
switch (gs_app_get_kind (app)) {
case AS_APP_KIND_SOURCE:
if (gs_app_get_id (app) == NULL)
return TRUE;
tmp = g_hash_table_lookup (priv->urls, gs_app_get_id (app));
if (tmp != NULL)
gs_app_set_url (app, AS_URL_KIND_HOMEPAGE, tmp);
break;
default:
if (gs_app_get_origin (app) == NULL)
return TRUE;
tmp = g_hash_table_lookup (priv->urls, gs_app_get_origin (app));
if (tmp != NULL)
gs_app_set_origin_hostname (app, tmp);
break;
}
/* find filename */
switch (gs_app_get_kind (app)) {
case AS_APP_KIND_SOURCE:
if (gs_app_get_id (app) == NULL)
return TRUE;
tmp = g_hash_table_lookup (priv->fns, gs_app_get_id (app));
if (tmp != NULL)
gs_app_set_metadata (app, "repos::repo-filename", tmp);
break;
default:
break;
}
return TRUE;
}
gboolean
gs_plugin_refine (GsPlugin *plugin,
GsAppList *list,
GsPluginRefineFlags flags,
GCancellable *cancellable,
GError **error)
{
GsPluginData *priv = gs_plugin_get_data (plugin);
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->mutex);
/* nothing to do here */
if ((flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN_HOSTNAME) == 0)
return TRUE;
for (guint i = 0; i < gs_app_list_length (list); i++) {
GsApp *app = gs_app_list_index (list, i);
if (!refine_app_locked (plugin, app, flags, cancellable, error))
return FALSE;
}
return TRUE;
}
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