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Razze
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Applications using libflatpak currently have to duplicate the CLI's private cleanup logic to offer the equivalent of uninstall --delete-data. Add a standalone API that removes ~/.var/app data and resets permission store entries without requiring the app to be installed. Keep it separate from transactions so callers can retry partial failures or reset data for an installed app. Validate app IDs before constructing paths, propagate cancellation and permission table errors, and document partial failure behavior.
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/* vi:set et sw=2 sts=2 cin cino=t0,f0,(0,{s,>2s,n-s,^-s,e-s:
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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 "flatpak-user-data-utils.h"
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#include "flatpak-permission-utils-private.h"
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#include "flatpak-ref-utils-private.h"
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#include "flatpak-utils-private.h"
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/**
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* flatpak_user_data_delete:
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* @app_id: the application ID
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* @cancellable: (nullable): a #GCancellable
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* @error: return location for a #GError
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*
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* Deletes the data directory for @app_id in the current user's
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* <filename>~/.var/app</filename> and resets its permissions in the current
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* user's permission store. This affects only the calling user, regardless
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* of whether the application is installed per-user or system-wide. The
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* application does not need to be installed.
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*
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* If resetting permissions fails after the data directory has been removed,
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* the function returns %FALSE. It can be called again to retry the permission
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* reset.
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*
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* Returns: %TRUE on success, %FALSE on failure
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*
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* Since: 1.19
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*/
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gboolean
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flatpak_user_data_delete (const char *app_id,
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GCancellable *cancellable,
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GError **error)
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{
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g_autofree char *path = NULL;
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g_autoptr(GFile) file = NULL;
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g_return_val_if_fail (app_id != NULL, FALSE);
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if (!flatpak_is_valid_name (app_id, -1, error))
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return FALSE;
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if (g_cancellable_set_error_if_cancelled (cancellable, error))
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return FALSE;
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/* The validated app ID cannot introduce path separators or parent traversal. */
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path = g_build_filename (g_get_home_dir (), ".var", "app", app_id, NULL);
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file = g_file_new_for_path (path);
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if (!flatpak_rm_rf (file, cancellable, error))
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return FALSE;
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return flatpak_reset_permissions_for_app (app_id, cancellable, error);
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}
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