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libfwupd: Add fwupd_client_download_file()

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I'm porting gnome-software to use this new API and this would be a very useful
thing to provide. No async API as we want to avoid writing temp files in most
cases -- this is just for legacy apps.
This commit is contained in:
Richard Hughes 2020-11-17 21:36:33 +00:00
parent eba28b6520
commit 56fcdd2776
3 changed files with 57 additions and 0 deletions
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50
libfwupd/fwupd-client-sync.c
View File

@ -1997,6 +1997,56 @@ fwupd_client_download_bytes (FwupdClient *self,
return g_steal_pointer (&helper->bytes);
}
/**
* fwupd_client_download_file:
* @self: A #FwupdClient
* @url: the remote URL
* @file: a #GFile
* @flags: #FwupdClientDownloadFlags, e.g. %FWUPD_CLIENT_DOWNLOAD_FLAG_NONE
* @cancellable: the #GCancellable, or %NULL
* @error: the #GError, or %NULL
*
* Downloads data from a remote server. The fwupd_client_set_user_agent() function
* should be called before this method is used.
*
* Returns: %TRUE if the file was written, or %NULL for error
*
* Since: 1.5.2
**/
gboolean
fwupd_client_download_file (FwupdClient *self,
const gchar *url,
GFile *file,
FwupdClientDownloadFlags flags,
GCancellable *cancellable,
GError **error)
{
gssize size;
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GOutputStream) ostream = NULL;
g_return_val_if_fail (FWUPD_IS_CLIENT (self), FALSE);
g_return_val_if_fail (url != NULL, FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* download then write */
bytes = fwupd_client_download_bytes (self, url, flags, cancellable, error);
if (bytes == NULL)
return FALSE;
ostream = G_OUTPUT_STREAM (g_file_replace (file, NULL, FALSE,
G_FILE_CREATE_NONE, NULL, error));
if (ostream == NULL)
return FALSE;
size = g_output_stream_write_bytes (ostream, bytes, NULL, error);
if (size < 0)
return FALSE;
/* success */
return TRUE;
}
static void
fwupd_client_upload_bytes_cb (GObject *source, GAsyncResult *res, gpointer user_data)
{

6
libfwupd/fwupd-client-sync.h
View File

@ -164,6 +164,12 @@ GBytes *fwupd_client_download_bytes (FwupdClient *self,
FwupdClientDownloadFlags flags,
GCancellable *cancellable,
GError **error);
gboolean fwupd_client_download_file (FwupdClient *self,
const gchar *url,
GFile *file,
FwupdClientDownloadFlags flags,
GCancellable *cancellable,
GError **error);
GBytes *fwupd_client_upload_bytes (FwupdClient *self,
const gchar *url,
const gchar *payload,

1
libfwupd/fwupd.map
View File

@ -619,6 +619,7 @@ LIBFWUPD_1.5.1 {
LIBFWUPD_1.5.2 {
global:
fwupd_client_download_file;
fwupd_client_get_user_agent;
local: *;
} LIBFWUPD_1.5.1;